User manual Wireline WL76/57 - Sandvik Mining and Construction
Contents
1. No Quantity Part Remarks Part no 1 1 Screw See Table 20 on page 27 F 2 1 Seal See Table 20 on page 27 3 1 Spacer See Table 20 on page 27 4 1 Seal housing 601 222 635 5 1 Tredo washer 300 012 614 6 1 Adaptor 300 013 048 7 1 O ring 29 2 x 3 0 300 012 691 8 2 Tubular pin 5x 40 300 020 641 9 1 Connector 601 222 843 10 Drill rod L 750 mm 501 222 711 Not included in Stuffing box complete 7 Table 20 Stuffing Box complete Wire mm Screw Spacer Seal Stuffing box 4 4 11 64 601 222 638 1 601 222 637 1 601 222 499 601 222 844 1 4 8 3 16 601 222 638 2 601 222 637 2 601 222 501 601 222 844 2 6 601 222 638 3 601 222 637 3 601222 543 601 222 844 3 w WL I5 Doc no WL76 57e 06 27 Wireline 76 57 Component Parts User Manual 13 Wireline 76 57 Component Parts Drill bit 76 0 57 5 triple 76 0 51 0 Reaming shell 76 3 Drillrod 73 2 64 4 mm Table 21 Wireline 76 component parts Part Part no Part no Part no Outer Innertube Complete tube Core barrel complete 1500 601 222 610 601222614 601 222 444 Core barrel complete 3000 601 222 611 601222615 601 222 445 Core barrel complete 4500 601 222 612 601222616 601 222 446 Core barrel complete 6000 601 222 613 601222617 601 222 447 Core barrel complete with guides 3000 601 222 605 601222615 601 2222. The RH recovery tap can be combined with a Z cleaning bit to drill clean the hole from caved in rock The left handed LH tap is for recovering drill rods one by one when attempts to pull out the drill string have failed These rods may not be stuck themselves but joint with the drill rod or core barrel that is stuck deeper down in the hole As the un screwing is done with left hand rotation the LH tap requires a left hand LH threaded drill string The LH tap can not be combined with the Z cleaning bit that is included in the recovery kit Alternative 2 and 3 Recovery tap with Z cleaning bit A is WH no WL76 57e 06 User Manual Recovery kit Component Parts 501 217 110 14 6 Cleaning of drill hole When tools are so badly stuck that they can not be recovered from the hole a cleaning bit Z should be used to drill these tools away In some cases it is necessary to pour cement in the hole to stop swivelled parts such as a core barrel head from rotating when the Z bit is used The cleaning bit is attached onto the WL drill rods by means of a sub If there is a problem with vibrations there are specific drill rods Z drill rods that can fitted directly on to the Z bit Table 26 Cleaning of drill hole parts No Part 1 2 W
3. Water swivel 501 012 143 2 Adapter water swivel 501 222 725 Drillrod WL76 73 x 750 mm 501 222 711 Drillrod WL76 73 x 1500 mm 501 222 712 Drillrod WL76 73 x 3000 mm 501 222 706 Gauge for drillrod WL73 601 222 485 3 Adapter drillrod WL73 pin x 50 box 501 222 724 Adapter drillrod WL73 pin x 72 box 501 222 743 Adapter drillrod WL73 pin x WL63 box 501 222 796 Adapter drillrod WL73 box x 50 pin 501 222 726 Adapter drillrod WL73 box x 72 pin 501 222 781 Recovery kit 501 217 110 Cuff wrench WL76 outer tube 501 115 032 Cuff wrench WL76 inner tube 501 115 030 Tool kit including 601 222 459 Hex key 2 3 4 6 mm Pin punch 03 S4 O8 mm Hook wrench 38 O58 mm Sleeve 11 13 14 21 22 mm connection 1 2 Long screwdriver Tool bag Assembly tool 601 222 484 3 Wrench for inner tube connection 601 222 590 1 Hand reamer for valve housing 300 025 325 Doc no WL76 57e 06 29 Recovery kit Component Parts 501 217 110 User Manual 14 Recovery kit Component Parts 501 217 110 O WL 68 Table 22 Recovery kit 501 217 110 No Quantity Part Part no 1 1 Drillrod tap WL73 RH connection 50 box 501 217 092 2 1 Drillrod tap WL73 LH connection 50 box 501 217 092 V 3 1 Lifter rod 42 mm RH connection 42 pin 501 217 007 4 1 Drillrod tap expanded WL73 Drillrod 501 217
4. 14 1 Lifting tip 601 222 440 Doc no WL76 57e 06 25 Stuffing Box User Manual 12 Stuffing Box er Stuffing box has part no 601 222 844 X The stuffing box can be fitted directly on the drill rod by screwing it on by with a pair of tongs We recommend that the sealing box water hose pump in overshot and a 750 mm drill rod are fitted together to form a single unit a loading tube This simplifies handling when retrieving the inner tube The loading tube can be screwed on the drill string by means of the machine as soon as the water swivel tube has been removed The water is connected as per Figure 6 Proposal for water handling one page 26 The stuffing box is designed so that the drill string can be rotated during the pumping No need for surface use i To stuffing box To water N swivel tube WL 14 Pg ee 2 J 3 Figure 6 Proposal for water handling Table 18 List of spare parts Proposal for water handling 803 908 128 No Quantity Part Remarks Part no UG S 1 1 1 Flow meter 803 908 127 2 3 1 Shut off valve 3 4 300 013 228 3 9 5 Adapter 3 4 3 4 300 013 051 4 2 1 T adapter 3 4 300 013 133 26 Doc no WL76 57e 06 User Manual Stuffing Box 12 1 List of spare parts Stuffing Box 601 222 844 X Table 19 List of spare parts Stuffing Box
5. 601 222 611 4 5 2 1 501 220 117 1 501 220 116 601 222 612 6 0 2 1 501 220 117 1 501 220 117 601 222 613 WL 4 Doc no WL76 57e 06 9 Outer Core Barrel with guides Complete User Manual 4 Outer Core Barrel with guides Complete The numbers bellow correspond against the numbers in table List of spare parts Outer Core Barrel WL76 on page 9 Now there is a core barrel with special guides when straightness demands are made on the holes Landing ring outer tube and latching ring are assembled in the same way as on other core barrels Note There are two types of adapter tubes available depending on the length of core barrel used See the table This tube is suitable for both standard inner tubes and triple inner tubes When drilling with the triple system it is only the drill bit that needs to be replaced The outer landing ring 4 is fitted in the adapter tube s 5 female thread with the inner recess facing upwards The latch housing 3 locks the landing ring 4 in position Remark The landing ring should be replaced after approximately 500 m of drilling The latching ring 2 is fitted in the latch housing 3 female thread The drill rod adapter 1 locks the latching ring The latching ring can be turned after a period of use if the edge becomes worn On those occasions the outer tube is taken up for inspection a careful check should be made that the outer landing r
6. bit and core lifter case can be adjusted for different types of drilling Before recovery the core is broken and the core barrel lifted 3 6 m This prevents drill cuttings that drop back into the hole collecting inside the outer tube The core barrel can be equipped with a harder outer tube 601 222 652 8 Doc no WL76 57e 06 3 m User Manual Outer Core Barrel complete 3 2 List of spare parts Outer Core Barrel C lo ool Table 2 List of spare parts Outer Core Barrel WL76 No Quantity Part Remarks Part no 1 1 Drill rod adaptor right hand 601 222 432 2 1 Latching ring 601 222 433 3 1 Latch holder 601 222 434 4 1 Outer landing ring 601 222 435 5 1 Adaptor tube L 260 mm 601 222 483 6 Outer tube coupling 501 220 133 7 Outer tube 1 5 m L 1552mm 501220116 7 1 Outer tube 3 0 m L 3052 mm 501220117 8 Extension tube outer tube 1 5m L 1552mm_ 501220116 8 1 Extension tube outer tube 3 0m L 3052 mm 501220117 9 1 Reaming shell 10 1 Drill bit Standard outer tube 7 also used as extension tube 8 The outer tube coupling can be replaced with a reaming shell Table 3 Extendable Outer Core Barrel WL76 Length Quantity Outer tube Quantity Extension Part no m standard tube compl outer tube tube 1 5 1 501 220 116 3 601 222 610 3 0 1 501 220 117
7. its upper end which prevents the wire from twisting A safety device shear pin 3 is built into the swivel and is intended to break at approx 1 5 tons This is to eliminate the risk of a cut wire being left in the hole Remark When double shear pins are fitted the breaking point load increases to approx 3 tons The wire is fitted in the wire clamp 1 and locked with three stop screws 2 Fit the bearing shaft 6 in the bearing housing 4 then fix the wire clamp 1 on the bearing shaft 6 by means of the shear pin s 3 Lubricate the surfaces between bearing housing and wire clamp with grease The bearing housing is then filled with grease before it is fitted on the wire weight by means of the tubular pin 5 The shear pins should be replaced at regular intervals When the lifting tip 10 is led down in the core barrel head the latches are released from the latching ring When the tip has passed the latches the inner tube is locked to the overshot and the inner tube can be winched up by means of the wire a Ce N A i A S L ae TSS 5 Ze x Figure 4 Core barrel head WL 52 Note The lifting tip should be replaced when the edge of the lifting tip begins to be worn The lifting tip can if necessary be provided with a
8. joint by fitting a ball joint See table List of spare parts Ball joint 601 222 462 on page 21 between the lifting tip 10 and wire weight 9 20 Doc no WL76 57e 06 User Manual Free Falling Overshot 9 1 List of spare parts Free Falling Overshot 601 222 685 8 _ q 7 3 D fa Table 14 List of spare parts Free Falling Overshot No Quantity Part Part no 1 1 Wire clamp 601 222 692 2 3 Stop screw 300 027 148 3 2 Shear pin 300 025 423 4 1 Bearing housing 601 222 688 5 2 Tubular pin 300 015 732 6 1 Bearing shaft 601 222 693 7 3 Wheel 601 222 441 8 3 Stop screw 300 010 699 9 1 Wire weight 601 222 687 10 1 Lifting tip 601 222 440 Table 15 List of spare parts Ball joint 601 222 462 No Quantity Part Part no 11 1 Top joint 601 222 452 12 1 Steel ball 300 027 125 13 1 Spring 300 027 124 14 1 Tubular pin 300 015 949 15 1 Lower link 601 222 463 Ss lI 12 0 l4 I5 T N N WL 43 Doc no WL76 57e 06 21 Safety Lowering Device for Dry Holes 601 222 448 User Manual 10 Safety Lowering Device for Dry Holes 601 222 448 WL 80 If a hole is dry a Safety Lowering Device SLD should be used to install the inner core barrel assembly into the outer core barrel This i
9. the expander should be released This is done by pushing forward and turning the fishing drill string 30 RH turn see the picture to the left The expanding recovery tap can now be released and the next recovery alternative should be tried Doc no WL76 57e 06 35 Recovery kit Component Parts 501 217 110 User Manual 14 5 Recovery taps FG 8 Alternative The recovery tap should be used when a drill string is stuck or broken in the hole and when attempts to recover with the expanding recovery tap have failed There are two types of recovery taps one right hand threaded RH and one left hand threaded LH The right handed tap can be attached to three different set ups of drill rods 1 The existing drill string With this set up it is possible to screw the recovery tap only as far down the stuck broken drill rod as the adaptor on top of the recovery tap permits If the edge of the adaptor has reached the broken drill rod without the recovery tap gripping another method of recovery must be used 2 Using a smaller O D drill rod in between the existing drill string and the recovery tap In this way the recovery tap is permitted to go deeper inside the stuck broken rod 3 Using a smaller O D drill string whose threads fit directly with the recovery tap Table 25 Drill rod for the different systems WL46 WL56 WL66 WL76 Drill rod 33 5 33 5 50 50
10. the function of the core lifter spring 6 after each extraction Should the inner tube become deformed or damaged in any other way it can jam in the drill tube or in the outer landing ring A landing ring on the core barrel head can be used to check that the inner tube has not become deformed Note When assembling the core lifter spring in the core lifter case a spacer with the bevel facing forwards after the spring is fitted in the case When emptying the inner tube the core lifter case is screwed off and a hose with a snap on coupling is easily connected on the inner tube connection The split liner with core is then pumped out see the table List of spare parts for handling equipment triple WL76 on page 18 The system can be used with front flushed or non front flushed bits Different core lifter cases should be used 14 Doc no WL76 57e 06 User Manual Inner Core Barrel complete triple 51 core 6 1 List of spare parts Inner Core Barrel complete triple Table 9 List of spare parts Inner Core Barrel complete triple WL76 Mal AP No Quantity Part Remarks Part no 1 1 Core barrel head 601 222 602 i i 2 Inner tube 1 5 m L 1475 mm 601 222 591 1 2 1 Inner tube 3 0 m L 2975 mm 601 222 591 2 3 1 Connector L 142 mm 601 222 593 A 4 Extension tube inner tube 1 5m
11. times for pumping in Inner Core Barrel WL76 System Volume drill Speed with water Time to 100 m rod flow of with water flow of 40 I min 40 I min WL46 29 1 0 I m 40 m min 2 5 min B60 1 6 l m 25 m min 4 min WL56 42 1 7 l m 24 m min 4 min WL66 45 2 6 l m 16 m min 6 min WL66 50 5 WL76 51 3 3 l m 12 m min 8 min WL76 57 5 The pumping in time for the inner core barrel is part of the total handling time If the Sandvik System with pumping of the inner tube or lifter is used it is possible to obtain an indication of when they are in position This ensures significant time savings since the drilling or recovery of the inner core barrel can be started immediately How long the pumping takes depends on how much water can flow in the gap between the core barrel and hole wall This time can be reduced by increasing the pressure of the water or increasing the gap between the drill rod and hole wall If the gap is increased between the drill rod and hole this increases the risk of deviated holes 12 Doc no WL76 57e 06 User Manual Inner Core Barrel complete 5 1 List of spare parts Inner Core Barrel complete 4 F WL 47 Table 7 List of spare parts Inner Core Barrel complete WL76 No Quantity Part Remarks Part no 1 1 Core barrel head 601 222 595 2 Inner tube 1 5 m L 1475mm_ 601 222 450 2 1 Inner tu
12. to see that the drill rods are free from rust on the inside and that no rod joints are damaged Rusty or damaged rods will damage the seal Finally the lifting tip is fitted and locked with the tubular pin 13 8 x 50 When the lifting tip 14 is led down in the core barrel head the latches are released from the latching ring When the tip has passed the latches the inner tube is locked to the overshot and the inner tube can be winched up by means of the wire SSS gt gt Z Figure 5 Core barrel head Note When the edge of the lifting tip begins to be worn it should be replaced 24 Doc no WL76 57e 06 User Manual Overshot for Pumping In 1 1 List of spare parts Overshot for Pumping In 601 222 458 2 dh l _2 2 _ 3 WL 56 Table 17 List of spare parts Overshot for Pumping In WL76 No Quantity Part Remarks Part no 1 1 Wire clamp 601 222 456 2 3 Stop screw 300 027 148 3 1 Shear pin 300 025 423 4 1 Draw bar 601 222 461 5 1 Nut 601 222 453 6 1 Stop screw 300 012 534 7 1 Axial ball bearing 300 027 123 8 1 Washer 300 015 269 9 1 Nut 300 012 510 10 2 Seal ring 601 222 454 11 1 Spacer tube 601 222 455 12 1 Spacer bar 601 222 457 13 2 Tubular pin 8 x 50 300 015 949
13. 104 5 1 Extension tube recovery kit 501 217 103 6 1 Sub WL73 box x Z 76 box 501 217 100 7 1 Sub 50 48 pin x M24 x 1 5 pin 501 222 741 3 8 1 Sub WL73 box x 50 pin 501 222 726 9 1 Drill bit Z 76 100 022 452 10 1 Drill bit 54 43 100 024 585 11 1 Tool bag 300 027 167 30 Doc no WL76 57e 06 User Manual Recovery kit Component Parts 501 217 110 14 1 Recovery Operation Every core driller will sooner or later experience the situation when drilling tools are either broken down or stuck in the hole In such cases no drilling can proceed before the string is recovered 14 2 Reasons of breakage 14 2 1 Wear 14 2 2 Fatigue Drill rods and other exposed parts of the drill string wear against the hole wall during drilling The cuttings in combination with flush water will also contribute to this wear The rods will wear down to a point where they will not be able to resist the torques nor the longitudinal forces they are exposed to Drill rods and drill bits are constantly exposed to heavy loads and forces The life of the equipment is limited by its fatigue resistance If the nominal life of the drill string is exceeded the risk of breakage is rapidly increased The life can be considerably reduced if the through faulty usage or maintenance Heavy deviation of the drill holes also reduces life of the drill string due to the combination rotation bending 14 2 3 Getting stuck Common cause of getting stuck 1 Poor ev
14. 797 Core barrel complete with guides 4500 601 222 606 601222616 601 222 798 Core barrel complete with guides 6000 601 222 607 601222617 601 222 799 Core barrel complete triple x 1500 601 222 610 601222618 601 222 475 3 Core barrel complete triple x 3000 601 222 611 601222619 601 222 475 4 Core barrel complete triple x 4500 601 222 612 601222620 601 222 475 5 Core barrel complete triple with guides 3000 601 222 605 601222619 601 222 800 Core barrel complete triple with guides 4500 601 222 606 601222620 601 222 801 Core barrel complete triple front flushed 1500 601 222 610 601222629 601 222 802 Core barrel complete triple front flushed 3000 601 222 611 601222630 601 222 803 Core barrel complete triple front flushed 4500 601 222 612 601222631 601 222 804 Core barrel complete triple front flushed with guides 3000 601222 605 601222630 601 222 805 Core barrel complete triple front flushed with guides 4500 601 222 606 601222631 601 222 806 28 Doc no WL76 57e 06 User Manual Wireline 76 57 Component Parts Part Part no Core barrel head complete WL76 601 222 595 Core barrel head complete triple WL76 601 222 602 Overshot for downward hole complete 601 222 685 Ball joint complete 601 222 462 Safety lowering device for dry holes 601 222 448 Overshot for pumping in complete 601 222 458 Stuffing box for pumping in complete 601 222 844 X
15. L 1475 mm 601 222 591 1 Se al 5 1 Spacer 601 222 597 Bann g 1 Core lifter spring 601 222 598 D i 10 7 1 Core lifter case 601 222 599 II 12 7 1 1 Core lifter case front flushed 601 222 600 8 1 Latching ring 300 027 151 9 1 Support ring 300 027 152 2 10 1 Non return valve 300 022 763 11 2 O ring 44 2x5 7 300 010 705 12 1 Piston 601 222 601 B e 13 Inner tube steel divided L 1440 mm 601 222 592 1 gt 13 1 Inner tube steel divided L 2940mm 601 222 592 2 3 gt 13 2 Inner tube steel divided L 4557 mm 601 222 592 3 Z lt gt Table 10 Extendable inner core barrel triple WL76 Length Pcs Inner Pcs Extension Pcs Inner tube Part no m tube tube steel compl j 601 222 601 222 divided tube 1 5 1 591 1 1 601 222 592 1 601 222 618 3 0 1 591 2 1 601 222 592 2 601 222 619 4 5 1 591 2 1 591 1 1 601 222 592 3 601 222 620 ess R Z Tr Note ee Complete inner tube triple is equipped with non front 6 purged core lifter case as standard To g 3 Doc no WL76 57e 06 15 Core Barrel Head User Manual 7 Core Barrel Head Ie 17mm WL 48 Core barrel head has part no 601 222 595 For the Triple system the standard core barrel head can be used by changing the inner tube connection The triple core barrel hea
16. L drill rod Sub 3 Z cleaning bit The Z cleaning bit can be combined with another drill bit if it becomes necessary to increase the cutting area to cut away the broken tools Table 27 Cleaning of drill hole parts Part WL drill rod Sub Extension rod for TV Z bit Z cleaning bit TV Z bit 2 3 hi H i k l No 1 2 _ 9 3 Li 4 5 3 52 te h 7 Doc no WL76 57e 06 37 Recovery kit Component Parts 501 217 110 User Manual 38 Doc no WL76 57e 06
17. User manual Wireline WL76 57 Doc no WL76 57e 06 User Manual Table of contents l Introduction ss scscsssssssssusssisescssssssssssissriivsscsssssscsssnssesivavsssssssssssassssssssiesos 4 lel IDESCHIDGION scisniiiisiniainiinaiss iinet nominees 4 2 Safety Instructions Saiicdmicienamsiicnandenumuinnmniiasennine 5 2 1 Recommendations sesesseseesseseserorseseeesosseoreeseseeosonseeesosenereesesenesoesreesesee 6 2 2 Wire Handling e esseseseseeseesseseseeesseseeesoscecreeseseeesceseeesoseeereesesenesoeseeesesee 7 2 2 1 Winding of wire ssesssseseesecoeoeoeesscoeoeoeecocoeocecosooeoeceeeoooeeeeecooeseeeeeose 7 3 Outer Core Barrel complete seesseesesseeeesssecsessseesssseeeesseeeeesse 8 3 1 Fitting of Outer Core Barrel scssssccssssscsssssssesesessssssescsssseees 8 3 2 List of spare parts Outer Core Barrel sesesseseseessreeseseesesseseeses 9 4 Outer Core Barrel with guides Complete 10 4 1 List of spare parts Outer Core Barrel with guides lI 5 Inner Core Barrel complete ccsssessssssssesesssssesssesseeess 12 5 1 List of spare parts Inner Core Barrel complete 00 13 6 Inner Core Barrel complete triple 51 core 0 0 14 6 1 List of spare parts Inner Core Barrel complete triple 15 7 Core Barrel Head siccssscssssscscssssssssssesssssseonsseasussoansanasssesssaoscsessansaasaesses 16 7 1 List of spare parts Core Bar
18. acuation of cuttings The cuttings from the bottom of the hole has to be transported to the surface by means of flush water Too low flush speed ee the cuttings pack up against the drill rods which ultimately will result in getting stuck 2 Leakage of the drill rod joints makes the flushing of the lower part of the drill string insufficiently flushed 3 Cracks and fractures in the rock may result in loss of flush water Hence the cuttings will cease to move upwards and it will sediment in the hole Cracks may also cause the drill bit to get stuck during drilling 4 Lack of flush water due to faulty water pump or operator error The E tne will get stuck in a matter of seconds due to melting of the rill bit Doc no WL76 57e 06 31 Recovery kit Component Parts 501 217 110 User Manual 14 3 First thing to do when 14 3 1 drill string is broken cut off down the hole The drill string still attached to the drill unit is taken out of the hole The breaking point is studied and suitable method is then chosen to recover the drill rods still down in the hole 14 3 2 core barrel or drill bit is so badly stuck that they can not be removed by the drill unit The tools stuck in the hole can be drilled cleaned away with drill bits Swiveled parts stuck in the hole will rotate and therefore it may sometimes be nessesary to pour cement down the hole prior to the cleaning 14 3 3 the whole drill string is stuck in the hole
19. be 3 0 m L 2975mm_ 601 222 437 3 1 Spacer tube L 142 mm 601 222 585 4 Extension tube inner tube 1 5m L 1475 mm 601 222 450 4 1 Extension tube inner tube 3 0m L 2975 mm 601 222 437 5 Core lifter spring standard 601 222 439 6 1 Core lifter case 601 222 438 Standard inner tube 2 can also be used as extension tube 3 Core lifter spring can also be found in flatt mode 601 222 439 2 Table 8 Extendable Inner Core Barrel WL76 Length Quantity Inner tube Quantity Extension Part no m standard tube compl inner tube tube 1 5 1 601 222 450 601 222 614 3 0 1 601 222 437 601 222 615 4 5 1 601 222 437 1 601 222 450 601 222 616 6 0 1 601 222 437 1 601 222 437 601 222 617 Doc no WL76 57e 06 13 Inner Core Barrel complete triple 51 core User Manual 6 Inner Core Barrel complete triple 51 core 0 oj p lo A e BOC C WL 60 Sandvik s WL76 triple system gives a core of 051 mm The system requires a special inner tube for this It is possible to extend the inner tube with the help of a connector and a triple inner tube see the table Extendable Inner Core Barrel WL76 on page 13 The numbers bellow correspond against the numbers in table List of spare parts Inner Core Barrel complete triple on page 15 Always use ring pliers when working with the inner tube 2 and core lifter case 7 Check
20. d has part no 601 222 602 The numbers bellow correspond against the numbers in table List of spare parts Core Barrel Head WL76 on page 17 Check that the latches 2 move freely and that the O ring 1 and tubular pins 3 and 4 are undamaged When checking the latches the lifter tip is inserted in the core barrel head The back edge of the lifters should then be inside the outer dimension of the latch housing If not the tubular pin is probably crooked or the hole in the latch worn When fitting the release valve 9 the spring 10 must be turned with the rivet from the release valve Note Make sure that the cylindrical pin 11 does not catch in the thread and can easily be moved in its slot Note Lubricate the core barrel head with grease every time it is taken up Use enough grease to ensure that fresh grease is pressed out through the bearing housing 18 Oil in the release valve through the hole at the landing ring 7 Wipe off all surplus grease If the release valve jams there is a reamer part no 300 025 325 to clean the release valve seat The landing ring core barrel head is fitted so that the hole is turned backwards on the valve housing 12 Fit the latch housing 5 with spacer washer 6 on the valve housing and tighten Screw the landing ring core barrel head to the latch housing and tighten It will now function as a lock nut When fitting the bearing unit it should be noted that
21. due to sedimentation or cave in It may be possible to save the drill string by drilling over it with a larger dimension 14 3 4 tools have fallen into the hole The two most common methods are to lower recovery tools usually specially made for the specific purpose or to drill away the tools 14 3 5 wire and hoses have snapped down the hole It is usually possible to lower a spear with hooks and rotate it This will cause the hose wire to twine around the spear 32 Doc no WL76 57e 06 User Manual Recovery kit Component Parts 501 217 110 14 4 Expanding recovery tap The expanding recovery tap should be used if one of the drill rods is cut off in the hole It is also an alternative when a drill string or parts of it is dropped down the hole and can not be picked up by remaining drill rods The expanding recovery tap is a recovery tool for pulling up drill rods stuck in the hole without rotation It should be not be used for unscrewing drill rods Assembly The expanding recovery tap is attached to drill rods of the same dimension as the string stuck in the hole An adaptor shall be used in between the drill rod and the expanding recovery tap Table 23 Expanding recovery tap parts No Part 1 WL Drill rod 2 Sub 3 Expanding recovery tap Doc no WL76 57e 06 33 Recovery kit Component Parts 501 217 110 User Manual 2 Lowering Ths expander is B
22. e attached to Pay extra attention to the water swivel tube Make sure that the threads are properly engaged with each other before the rods are screwed together by means of the machine Make sure that the rod does not break during threading rod support and guides Make sure to lubricate the threads Note Always lubricate the drill rod threads with grease that is suitable for high pressure Special thread lubricant is best Avoid rotating so fast that the threads are knocked together Check that the threads are free from dirt and undamaged The continuous feed pressure should not exceed 3 5 tons Avoid too many tough shapening Use a lower water flow instead for hard rock Make sure that lifting function on the machine functions during the rod threading and that the float position works If the threading on one rod should get damaged during making of joint both rods should be replaced 6 Doc no WL76 57e 06 User Manual Safety Instructions 2 2 Wire Handling 2 2 1 Winding of wire Wire with the lay to the right Wire with the lay to the left Figure I Wire handling Doc no WL76 57e 06 7 Outer Core Barrel complete User Manual 3 Outer Core Barrel complete The numbers bellow correspond against the numbers in table List of spare parts Outer Core Barrel WL76 on page 9 The core barrel drill rod adaptor 1 has tungsten carbide inserts so that it can be guided up and the
23. e hands and fingers The core can come sliding out from the core barrel at high speed NEVER place the hands and fingers under the core barrel place them is such a way that the core can pass without causing injury L warninc The drill rods are exposed to a higher load and heavier vibrations during upward drilling The risk of drill rods braking when they are worn is therefore increased If the rods break during the drilling the rod holder will be open which causes the rod string to slide out from the hole For this reason place the panel at a safe distance from the barrier L warninc The risk of injury increases more than normal during upward drilling Doc no WL76 57e 06 5 Safety Instructions User Manual L warninc Cuff wrenches must under NO CIRCUMSTANCES be used on the rods when they are rotated by means of the machine They can come loose and injure the operator or cause pinch injuries on the hands and fingers L warninc Remember to secure the machine in a reliable manner when it is anchored to the rock Make sure to inspect the attachment during operation to make sure the machine does not come loose _ L warninc Remember that you should have the opportunity to reach or have regular contact with those around you if you should become injured when using the machine 2 1 Recommendations Check the threads on the drill rods regularly If the threads are damaged they can damage other rods they ar
24. ecesssscssssecessssssesecesssscosesssesssscsoess 31 14 2 2 Fatigue cssscscccccssssssscccsscscsssseessssscsssseesssscsscseeesesssscsesseessonees 31 14 2 3 Getting stuck ccccsccscscsscccsecesesscccsecesescesesecesesesscssseeeeonees 31 4 3 First thing to do when cisssscossseassccsssassssscansseasscsecssesscsassscssaseseesooas 32 14 3 1 drill string is broken cut off down the hole 0000 32 14 3 2 core barrel or drill bit is so badly stuck that they can not be removed by the drill unit ssosososoeosossssssesssssssssosssseso 32 14 3 3 the whole drill string is stuck in the hole due to sedimentation OF CAVE in sccccsecsccsecsscossancccnssssocncessssneascocssssoasecsecsesesassese 32 14 3 4 tools have fallen into the hole cssccscsssssssssssssersesseeees 32 14 3 5 wire and hoses have snapped down the hole 000 32 14 4 Expanding recovery tap lt sicssscessscssssecscsossoscesssececenesserensnsossessssneess 33 14 5 Recovery taps eesesesersreeseeesosercseesesereroesseesoreroronsesesororereesosereroressesesee 36 14 6 Cleaning of drill hole ccccccsccsesssssseccsesseccecesscsesssessoacssssnooeacsoses 37 Doc no WL76 57e 06 3 Introduction User Manual Introduction The Sandvik Wireline System WL is available in dimensions of 46 56 66 and 76 mm There are two different versions of WL56 where the differences are primarily the weight of the d
25. ed with a special lowering device for use in downward holes with water loss so called dry holes The WL core barrels are available in lengths of 1 5 and 3 0 m but can be extended to 4 5 and 6 0 m please contact Sandvik for further information Drill bits for WL76 are manufactured as standard with an external diameter of 76 0 and reaming shell of 76 3 mm Remark When drilling with an oversize bit and reaming shell an oversized drill rod connection should be used 4 Doc no WL76 57e 06 User Manual Safety Instructions 2 Safety Instructions L warninc When handling Wireline it is important to inspect the wire visually since a broken wire can cause injury to personnel or damage the equipment When the wire starts to look damaged it should be shortened L warninc There is a risk of injury from the wire during Wireline drilling This risk is greatest between the Wireline windlass and the top of the mast Do NOT enter this area when the wire is in operation There is also a risk of getting trapped round the drum in the wire spreader on the drum and at the pulley on the mast Remember that the wire can split up which can lead to severe cut injuries Never grip the wire when it is in motion L warninc When handling Wireline the inner tube can release on detachment and come sliding out of the hole at high speed L warninc When the core barrel is emptied from the drill bit there is a risk of injuring th
26. efore the lowering of the tool the expander should be turned until the ees eae fixed in lowering position steering pin is ina position which will enable the expander to move up and down a Lowering position FG 3 3 Lowering towards the lost drill rods The expanding recovery tap is inserted a maximum of 250 mm into the lost drill string FG 4 34 Doc no WL76 57e 06 User Manual Recovery kit Component Parts 501 217 110 4 Recovery of the lost drill string When the recovery tap shaft is being pulled backwards it will make the lower part expand inside the lost drill string Table 24 Maximum pulling force without rotation WL46 WL56 WL66 WL76 AALIHI III a OUI ATTAT Pi Jin Pulling force kg 8000 12000 20000 24000 Note Do not rotate the drill string when the tool is being pulled back It may happen that the drill string is so badly stuck that the expander slides out of the drill string In such a case another recovery tool should be used 5 Release of the expanding recovery tap If max allowed pulling force is reached
27. ing and latching ring are in place and undamaged The inner tube is locked upwards in the outer tube through the core barrel head latches support the latching ring The inner tube is fixed downwards in that the outer landing ring has a smaller diameter than the core barrel head s landing ring WL 61 The tensile force when breaking the core is transferred from the core lifter case to the drill bit as the inner tube connection is flexible in the axial plane the core lifter case rests on the bit The play between drill bit and core lifter case can be adjusted for different types of drilling Before recovery the core is broken and the core barrel lifted 3 6 m This prevents drill cuttings that drop back into the hole collecting inside the outer tube 10 Doc no WL76 57e 06 User Manual Outer Core Barrel with guides Complete 4 List of spare parts Outer Core Barrel with e guides Table 4 List of spare parts Outer Core Barrel WL76 I No Quantity Part Remarks Part no Za 1 1 Drill rod adaptor 601 222 432 1 a 2 2 1 Latching ring 601 222 433 3 3 1 Latch holder 601 222 434 a 4 1 Outer landing ring 601 222 435 S 4 5 1 Adaptor tube L 260 mm 601 222 483 Ee 5 1 1 Adaptor tube L 143 mm 601 222 603 5 6 Outer tube 1 5 m L 1552 mm 501 220 116 cs 6 1 Outer tube 3 0 m L 3052 mm 501 220 117 7 1 I
28. n a special pumping position Insert a screwdriver in the latch housing press the release valve forward and turn a quarter of a turn The release valve will now be locked in its pumping position and the pumping in of the inner tube can now be started When the inner tube is in position the water pressure increases powerfully and the flow of water is stopped This is an indication that the inner tube is in it locked position With the retention of the high water pressure for a few seconds the release valve will be pressed forward and released from its locked position Wy Zz Ay WL 50 Figure 2 Core barrel head After the pump flow has been stopped and the water pressure completely drained the spring will press the release valve upwards This forms a free passage for the flushing water and the pumping for the drilling can be started ao N E Z 7 SVA Figure 3 Core barrel head WL 51 Doc no WL76 57e 06 19 Free Falling Overshot User Manual 9 Free Falling Overshot WL 44 Free falling overshot has part no 601 222 685 The overshot has a swivel 1 4 6 in
29. ntermediate coupling 601 222 546 8 Extension tube outer tube 1 5 m L 1272 mm 601 222 604 1 8 1 Extension tube outer tube 3 0 m L 2772 mm 601 222 604 2 9 1 Calibration guide 601 222 548 1 10 1 Reaming shell 11 1 Drill bit C Table 5 Outer Core Barrel with guides WL76 7 Length Quan Inner tube Adaptor Quan Extension Part no A m tity standard tube tity tube compl outer tube tube _ 3 0 1 501220116 601222603 1 601 222 604 1 601 222 605 oi 8 4 5 2 1 501220117 601222483 1 601 222 604 1 601 222 606 6 0 2 1 501 220 117 601222 483 1 601 222 604 2 601 222 607 Sa ram K 4 __ S m Il g bord Doc no WL76 57e 06 II Inner Core Barrel complete User Manual 5 Inner Core Barrel complete WL 46 A standard inner tube is used to extend the inner tube see table Extendable Inner Core Barrel WL76 on page 13 The numbers bellow correspond against the numbers in table List of spare parts Inner Core Barrel complete WL76 on page 13 Always use cuff wrenches when working with the inner tube 2 and core lifter case 6 Check the function of the core lifter spring 5 after each recovery If the inner tube is clamped oval or otherwise damaged the inner tube can stick in the drill rod or outer landing ring A landing ring for the core barrel head can be used to check that the inner tube has not been deformed Table 6 Estimated
30. refore minimize the hole deviation 3 1 Fitting of Outer Core Barrel 090 ia Ig The outer landing ring 4 is fitted in the adapter tube s 5 female thread with the internal collar facing upwards The latch housing 3 locks the landing ring 4 Remark The landing ring should be replaced after drilling approximately 500 m The latching ring 2 is fitted on the latch housing s 3 female thread The drill rod adaptor 1 locks the latching ring The latching ring can be reversed after a period of use if the edge has become worn When extending the core barrel an outer tube coupling 6 or a reaming shell 9 is fitted between the outer tubes The outer tubes are of standard lengths 1 5 m or 3 0 m see table Extendable Outer Core Barrel WL76 on page 9 On those occasions when the outer tube is taken up for inspection a careful check should be made that the outer landing ring and latching ring are in place and undamaged The inner tube is locked upwards in the outer tube in that the core barrel head latches support the latching ring The inner tube is fixed downwards in that the outer landing ring has a smaller diameter than the core barrel head s landing ring The tensile force when breaking the core is transferred from the core lifter case to the drill bit in that the inner tube connection is flexible in the axial plane the core lifter case rests on the bit The play between drill
31. rel Head 601 222 595 17 7 2 List of spare parts Core barrel head triple 6O I 222 602 sists suncesavasuiadaddeissadeccasunsaasd asnssseisdonbesbocansiueaseainonsuseadanenssvucatis 18 8 Functional description for pumping s ssessessssessssessseesescessseessee 19 9 Free Falling Overshot esssessssesssssessscossscessscessscessscessseesseessssessse 20 9 1 List of spare parts Free Falling Overshot 601 222 685 21 10 Safety Lowering Device for Dry Holes 601 222 448 22 10 1 List of Spare Parts Safety Lowering Device for Dry Holes 601 222 448 oo ccinsscssenccsnnscnaccansannsscansnasessndoosacnssinasennssaaneaneseaton 23 l1 Overshot for Pumping IN sessssssssessseesescessscessscessecessscosseessssessse 24 11 1 List of spare parts Overshot for Pumping In 60I 222 458 sssssisssssssssesisissssssssosssssissesrsssssdsonsssssassoas sissi asossi sosoo sassis 25 12 Stuffing BOX eg iccocavendindodivunnnanaaninaisomienin 26 12 1 List of spare parts Stuffing Box 601 222 844 X oe 27 13 Wireline 76 57 Component Parts seesessessseesesseeesseseeessseesess 28 2 Doc no WL76 57e 06 User Manual 14 Recovery kit Component Parts 501 217 110 ow 30 14 1 Recovery Operation sssssssnscssssssssesctsrausssoassssnonscaeossennsaumsnsnnssanesoaoinnes 31 14 2 Reasons of breakage se sossoesoossessessesossooscosseesessessossosscesesssesoss 31 14 2 1 Wear cccccssssscsccscsscssssscsccns
32. rill rod and the inner dimension which permit different core dimensions The 66 and 76 mm dimensions include a triple variant with an extra inner tube Table Different Wireline Systems System Hole Core Corearea in Tube ext Tube dimension dimension ofholearea int dim weight kg m WL46 47 0 28 8 37 5 43 2 35 2 3 9 WL56 42 O56 8 41 2 52 6 53 2 47 2 3 8 WL66 67 1 50 5 56 6 63 9 57 0 5 1 WL66 3 67 1 O45 47 0 63 9 57 0 5 1 WL76 76 3 57 5 56 8 73 2 164 4 7 5 WL76 3 76 3 O51 44 7 73 2 64 4 7 5 WL103 102 8 80 60 9 G9I8 88 8 10 6 I 1 Description WL76 is a thinwall Wireline System adapted to the metric system This makes it possible to switch between the T TT and WL Systems whenever necessary The WL System is intended to be used for drilling in all directions without the need for extra accessories An overshot is used to obtain the best results from the system which is designed to be pumped into the hole see chapters List of spare parts Overshot for Pumping In 601 222 458 on page 25 and Stuffing Box on page 26 This overshot can be used in all directions even with a high water pressure For recovery in drill holes inclined at an angle of more than 60 from the horizontal plane there is a free falling overshot see chapter Free Falling Overshot on page 20 which is provided with wheels The same overshot can be fitt
33. rt no ol i 1 1 Extension sleeve 601 222 474 2 2 Nut M6M M16 300 012 496 3 3 Nut 601 222 471 4 1 Sleeve 601 222 472 5 2 O ring 300 012 668 6 1 Lifting tip dry hole 601 222 473 WL 79 Doc no WL76 57e 06 23 Overshot for Pumping In User Manual I 1 Overshot for Pumping In l WL 55 Overshot for pumping in has part no 601 222 458 The numbers bellow correspond against the numbers in table List of spare parts Overshot for Pumping In WL76 on page 25 The overshot has a swivel 4 5 7 8 9 in its upper end which prevents the wire from twisting A safety device shear pin 3 is built into the swivel and is intended to break at approximately 1 5 tons This is to eliminate the risk of a cut wire being left in the hole The wire is fitted in the wire clamp 1 and locked with three stop screws 2 Axial ball bearing is installed with washer and LOC King nut It should be tightened so that a gap 0 5 mm exists between the draw bar 4 and Nut 5 It should be able to swivel easily Then fill the space with grease before it is attached to the steel bar After that the wire clamp with shear pin can be mounted The shear pins 3 should be replaced at regular intervals The seals 10 are mounted on the spacer bar 12 on each side of the spacer tube 11 The seal on the overshot for the pumping in seals to the drill rod This means that a check should be made
34. rust ball bearing 300 027 105 18 1 Upper bearing housing 601 222 426 19 1 Radial ball bearing 300 013 529 20 1 Washer 601 222 427 21 1 Spring 300 027 104 22 1 Bushing 601 222 428 23 1 Radial ball bearing 300 020 610 24 1 Washer 300 012 556 25 1 Nut 300 012 513 26 1 Lower bearing housing 601 222 429 27 1 Grease nipple 300 015 242 28 1 Nut KM5 300 013 333 29 1 Inner tube connection 601 222 594 Doc no WL76 57e 06 17 Core Barrel Head User Manual 7 2 List of spare parts Core barrel head triple 601 222 602 Table 12 List of spare parts Core Barrel Head WL76 When using the triple the same core barrel head is used but with the difference that the inner tube connection is replaced No Quantity Part Remarks Part no 1 1 Core barrel head 601 222 595 2 1 Inner tube connection triple 601 222 596 3 1 Snap on coupling male 300 027 153 The parts below are used to pump out the core Table 13 List of spare parts for handling equipment triple WL76 No Quantity Part Remarks Part no 1 Snap on coupling female 300 027 154 1 Adaptor 300 027 168 1 Hose 300 027 169 1 Adaptor 300 020 350 WL 69 18 Doc no WL76 57e 06 User Manual Functional description for pumping 8 Functional description for pumping In the core barrel head there is a release valve which before pumping in should be locked i
35. s to avoid high velocity impacts between inner and outer core barrel that may result in damaged equipment How to assemble and use the SLD 1 Screw the Extension socket 1 on the thread on the overshot lifting tip 2 Lock the Sleeve 4 in upper position by holding the SLD lifting tip and moving the Sleeve fully backwards 3 Connect the SLD to the core barrel head of the Inner tube assembly When the SLD lifting tip has passed beneath the latches the inner tube assembly is locked to the SLD 4 Lower the inner tube assembly into the drill string by means of the overshot When the inner tube assembly comes to a halt on the outer landing ring the overshot will press the Sleeve 4 forward This will release the latches from the Lower SLD lifting tip When the overshot is pulled upwards the Sleeve will stay in lower position enabling the latches to fold out and lock against the latching ring The overshot can now be hoisted to surface and drilling can begin When retrieving the inner tube assembly after a completed run the SLD is removed from the overshot lifting tip and the overshot is hoisted down the drill string as usual 22 Doc no WL76 57e 06 User Manual Safety Lowering Device for Dry Holes 601 222 448 10 1 List of Spare Parts Safety Lowering Device for Dry Holes 601 222 448 ca Table 16 List of Spare Parts Safety Lowering Device for Dry Holes No Quantity Part Remarks Pa
36. the thrust ball bearing 17 must be turned correctly for the grease to pass through the bearing The special tool 601 222 484 2 is used at disassembly and assembly of bearing Note The thrust ball bearing 17 washers have different hole diameters The washer with the smallest hole diameter is fitted upwards To optimize drilling in different types of rock it may be necessary to adjust the gap between the bit and core lifter case This is done be releasing the lock nut on the inner tube connection 29 and adjusting the gap between the inner tube connection 29 and the lower bearing housing 26 The recommended setting is 17 mm 16 Doc no WL76 57e 06 User Manual Core Barrel Head 7 1 List of spare parts Core Barrel Head 601 222 595 WL 49 Table I 1 List of spare parts Core Barrel Head WL76 No Quantity Part Remarks Part no 1 1 O ring 44 2 x 3 0 300 012 693 2 2 Latch 601 222 419 3 2 Tubular pin 3 0 x 26 300 015 310 4 2 Tubular pin 4 0 x 30 300 015 967 5 1 Latch housing 601 222 418 6 1 Spacer 601 222 420 7 1 Landing ring core barrel head 601 222 431 8 1 Stop screw 300 012 530 9 1 Release valve 601 222 421 10 1 Spring 601 222 378 11 1 Cylindrical pin 300 022 671 12 1 Valve housing 601 222 422 13 1 Nut KM 8 300 013 339 14 1 Shaft 601 222 423 15 1 Spacer 601 222 424 16 1 Washer 601 222 425 17 1 Th
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