Drillingsoftware Casing Design User Manual
Contents
1. Casing Design User Manual Page 17 www drillingsoftware com Note Any section of the design set up can be accessed via the Menu Bar Quick changes to any of the design parameters can be accomplished without going through the complete sequential design set up The Menu Bar is shown when L_2SUP Design criteria ig selected on the Design page On the Menu Bar select Ref Fig 22 The Design Criteria page is shown 13 Design Criteria Fig 22 oo VR ONSHORE Collapse Adjusted for Axial Tension Drilling Condition spears ew ara baee Sepat not Design Safety Factors and Loads 60 Select 100 for worst case senario De Select Tension Bouyed Weight at each section Change Design Senario Bouyed Weight Tension At SF SF Collapse psi Top Of Tensile Tensile De Rated for Onshore Design ing Section Joint Body Tensile loading Well Head 303 929 3 73 5 89 2 827 Btm Csg Sect 1 180 583 5 75 9 08 2 710 Shallow Offshore Design Top Csg Sect 2 180 583 7 18 9 08 3 075 Bim Csg Sect 2 74 033 SF gt 10 SF gt 10 2 976 C Deep Water Design Top Csg Sect 3 74 033 SF gt 10 SF gt 10 2 275 Btm Csg Sect 3 26 778 SF gt 10 SF gt 10 2 257 Top Csg Sect 4 26 778 SF gt 10 SF gt 10 1 909 Bim Csg Sect 4 0 SF gt 10 SF gt 10 1 897 Drilling Condition 0 SF gt 10 SF gt 10 1 897 Mud Gas Interface 117 677 SF gt 10 SF gt 10 3 005 Producing Condition Fig 22 Design Criteria From the Design Criteria Page the following2. 72 0 wn m Set View size tell Profile Design Printout Fig 2 Directional Survey Page Buttons On the top of the Directional Survey page are four buttons Ref Fig 2A These buttons are Jet View size selecting this shows an option to increase or decrease the magnification __Well Profile selecting this shows the Well Profile data form Ref Fig 3 _ Desin selecting this shows the Design page Ref Fig 4 __ Printout prints the Survey page Casing Design User Manual Page 2 www drillingsoftware com 1 Well Data Before proceeding with the casing design the Well Profile must be established On the Directional Survey page select e Prefile_ The Well Profile data form is shown Ref Fig 3 t Shallow Offshore User Input in White Cells Only Import External Data Fig 3 Well Profile Data Form On the Well Profile data form these parameters are selected Units Feet or Meters Well Bore Vertical or Directional Casing Design Onshore Well Shallow Offshore or Deep Water Offshore Before entering new data old data is cleared by using the Gear Old Survey button After the Well Profile data is entered selecting O e shows the Directional Survey page On the Directional Survey page the selected well data is entered Casing Design User Manual Page 3 www drillingsoftware com a Vertical Well Ref Fig 3A Shallow Offshore Well Deep Offshore Well Datum RKB 0 0 Datum
3. 1 448 875 Btm Csg Sect 3 J i 1 040 000 1 661 413 i 886 213 1 415 737 Top Csg Sect 4 A i 963 000 1 555 616 820 599 1 325 584 Btm Csg Sect 4 E 1 963 000 1 555 616 i 808 441 Casing Shoe 5 1 555 616 803 441 Design Depths Datum RKB Fig 24C Design Report Section 3 Section 3 of the Design Report shows All Rated Strengths All De rated Strengths due to temperature effect Casing Design User Manual Page 25 www drillingsoftware com d Design Report Section 4 Fig 24D Rated a Azial De Azial De Rating Factors Factors Temp amp 100 Evac a De Production Tension Seo De go a SF Cementing Collapse Design Design Depths Yield Ratio Rating factors Collapse a Mud Evac Lead Cmt Density ee Lead Height 250 MD Fed Tail Cement Densi Tail Height 150 MD 122 TVD Old Mud Weic L cement Fluid a ee Linear Temp Collapse a see ee Pe ee nad 85 Lead Cmt 5 211 4 840 Cmt 5 461 5 045 os 5 611 5 168 1 897 Fig 24D Design Report Section 4 section 4 of the Design Report shows All De rated strengths due to axial loading Cementing safety factors When is selected in the Design Report all the design parameters and safety factors are linked and updated These include De rated Loads Burst Collapse De rated Tension Pressure ratings Temperature De rated Yields In addition all Design Charts are constructed Ref Fig 25 Casing Design User Manual Page 26 www dr
4. 21 Casing Design User Manual Page 16 www drillingsoftware com 12 Design Progress Fig 21 Setup Dorign Grite Tri AxialDerign Peat mat i elect Liner iqn amina oin Collapre Eurrt Bods Yield Wall el i Strength Strength oo ie Strength Thicknerr l l kr fin r Desi S S T DIE S S f e O H H ee T T mooo onses O ome O eere H _ EA EE temperature Unikr EM Gradient PE Star provim Gwin Shor Deh 4 S 5 prit ft A at ea ue pape oe oaa l ann S Frovin ea ae ad ees oe De Hw Ma i r De Eon Era d Lir S re 2 Era F Torrion gt Fig 21 Design Progress Accessing the Design page at this stage gives a quick visual check as to how the design is progressing Any design failures are shown as red cells At the top section of the design page selected casing sections parameters are shown The parameters shown are The Outside Diameter in The Nominal Weight ppf The Grade The Joint Connection Collapse Strength psi Joint Strength psi Body Yield Strength Ibs Wall Thickness in Option to select Drift or ID Box Diameter in The light blue section shows all the present and previous mud data and the next setting depths Immediately below the light blue section all the design safety factors are shown Any failed safety factors will show in red The Mud Gas Interface MGI depth is shown in the light blue section of the survey data
5. Print Export Casing Design User Manual Page 28 www drillingsoftware com Appendix B 1 Glossary BHI Bottom Hole Temperature Gae ale Degrees Centigrade Oo eee Casing DLS Dog Leg Severity Bile ee ee eee Drilling EI WW East West F Degrees Fahrenheit D eee naaa Inside Diameter IN inches IDS 4eeshesee erase e pounds MIG Saeeee seer ar aa aen rE Measured Depth VIG Liana ae Mud Gas Interface Niaz anli North South OD eee Se oie iain late Outside Diameter DPT 5 enon nnn e eee cece pounds per foot DSI pounds per square inch T True Vertical Depth UMD L serene ses eee True Vertical Depth Sub Sea Wis Deets sere eesee saree ee eee Working Stress Design Casing Design User Manual Page 29
6. RKB oo fie ies 0 0 GL MSL_ 00 0 WaterDenth pr 7 g a 620 wn m fue Set View size Well Profile Design Printout an m omn 1 Fig 3A Vertical Well A Vertical Well requires these inputs The Measured Depth MD The Inclination 0 The Azimuth 0 External data can also be imported Casing Design User Manual Page 4 www drillingsoftware com b Directional Well Fig 3B Deep Offshore Well Datum RKB 0 0 Datum eke 0 0 GL MSL_ 00 0 WaterDepth cies RKB MSL_ s20 wH wsL_ Set View size Well Profile Design Printout Vertical Section Azim 8200 owo owo oo om am pt sens oo mra a50 srsaso oo oo oo ao oo ps mons so mra wozizo sasa20 was os ao iwas mro 145 pe was ao mra zoss woss33 2343 107 ao zasa mran 2352 6 ms o mra 036 88 w23388 6501 23 ao esos trao 6508 pe msa ao mra 1050600 wazsoo wer2 s75 ao wess mran 1685 ps meno z240 mra wsare3 woes te472 taes aoz tees mran 16483 pe no aa mra nanes nezs24 s256 arez om esa mra ena pe nsss 33 mra tamasa nearas 6o05 zaar ooo eeors trao seors Fig 3B Directional Well A Directional Well requires these inputs The Survey Depth The MD The Inclination The Azimuth When this data is entered the following
7. selections and select Continue The Gas Oil Gradient data form is shown Ref Fig 13 4 Gas Oil Gradient Fig 13 Gas Oil Gradient e Z l Enter the Gas Oil Gradient ea Fig 13 Gas Oil Gradient Enter the gas or oil gradient and select Continue The Mud Weight Leakoff data form is shown Ref Fig 14 5 Mud Weight Leakoff Fig 14 Mud Weight Leakoft 75 x Present Mud Weight 13 ppg Leakoff present Shoe 15 ppd Old Mud Weight 13 ppg Continue Fig 14 Mud Weight Leakoff Enter The Present Mud Weight Leakoff present shoe Old Mud Weight Select Continue The Add in any Mud Weight Overbalance data form is shown Ref Fig 15 Casing Design User Manual Page 12 www drillingsoftware com 6 Mud Weight Overbalance Option Fig 15 The overbalance trip margin is subtracted from the selected mud weight to reflect an accurate pore pressure Add Mud Weight overbalance 0 2 ppg trip margin ppg x Fig 15 Mud Weight Overbalance This data form gives an option to enter any overbalance This is deducted from the mud weight to give a more accurate pore pressure Select ear if not required for the design Select x The Section Depths data form is shown Ref Fig 16 7 Section Depths Fig 16 Section Depths 75 The Datum and depths are set up in the Directional workshest Fig 16 Section Depths Casing Design User Manu
8. the sections for a liner have been selected and oe was selected on the Design for a Liner panel Ref Fig 9 the prompt MAS DUB is shown Select Se then select a on the Liner Design Dialogue The Liner Data is now shown at the top of the Design page Ref Fig 10 2 Design Safety Factors Fig 11 On the Design page select _Design Menu _ The Menu Bar is shown On the Menu Bar Design Setup select The Design Factors data form is shown Ref Fig 11 Design Factors Ae wia anil i looo Burst 1 10 Ding Sting lo T 1 Driing Sting high st 130 Production String Collapse T 1 13 Driling Strings 1 T 1 30 Production Strings T 1 9 Air Driled Strings H r Tension C 1 50 For Body Yield Strength T 4 80 For Connection Strength based on ultimate Yield C 1 60 For Connection Strength based on Yield T 1 20 For compresive Static Loading Fig 11 Design Factors Casing Design User Manual Page 10 www drillingsoftware com On the Design Factors data form the following are selected Burst Collapse Tension An option to enter Custom Safety Factors is also available Make the required selections and select OK The Casing Design Condition Setup data form is shown Ref Fig 12 3 Casing Design Condition Setup Fig 12 Casing Design Condition Setup _ 2s Set up the Design Conditions Casi Shing e e a E E Previous Csg Data it w
9. 000 2 000 3 000 4 000 5 000 6 000 7 000 8 000 Fig 25D Design Chart Vertical Section View De Rating Factor Yield Strength De Rating Factors vs Temp Linear Temp F 1 08 0 95 L 1 000 0 98 2 000 0 85 3 000 a 0 80 L 4 000 0 75 L 5 000 5 611 0 70 4 L 6 000 20 80 180 280 380 480 580 680 emeeeDe Rating Factor F De Rating Factor C eiw Temperature Fig 25F Design Chart Yield Strength De rating Factors vs Temp Casing Design User Manual Page 27 www drillingsoftware com Appendix A 1 Menu Bar Button Functions and Casing Design Flow Chart Casing Data Figs 5 and 6 Menu Bar Liner Data Figs 5 and 10 Section Depths Fig 7 Design Design Factors Fig 11 Steps z Casing Design Fig 12 Gas Oil Gradient Fig 13 z gt Mud Weight Leakoff Fig 14 Mud Weight Overbalance Fig 15 Temperature De rating Effect B Fig 22A Section Depths Figs 7 and 16 De rating Collapse Design B Curve Factors Criteria Temperatures Fig 17 Fig 22B Fig 22 i Cementing Well Head Rating Fig 18 Collapse Load Fig 22C B Mud Evacuation Fig 19 Directional E Survey lt Update Charts Fig 20 Fig 2 T Well Profile Data Design Progress Fig 21 Input Fig 3 Printout Header Fig 23 Print Exportt Design Report Fig 24 Design Charts Fig 25 Vv
10. 1 772 801 2 284 443 Datum RKB RKB WH RKB GL GL MSL RKB MSL MSL Pressure 12 6 Present Shoe Leak Off TvD EMW BHP Shoe pa 3 439 13 0 Previous Shoe Next Shoe TVD TVD ie Re ar e eer is iar ck TSP ae a pse Burst Joint od rana kare Tensile JT Tensile Boc ans raz r e 1 772 801 1 132 814 1 772 801 E 1 132 814 1 772 801 1 037 670 2 284 443 1 296 626 2 284 443 2 1 247 343 2 284 443 1 222 647 1 661 413 2 906 956 1 661 413 886 213 1 555 616 820 599 1 555 616 i 808 441 C 516 S GU 44 Azial De Rating Factors Tension A ial De Tension De Yield Ratio Rating Rated factors Collapse 1 789 887 1 789 887 1 639 557 2 112 745 2 032 443 1 992 203 1 448 875 1 415 737 Cementing Collapse Design Tail Cement Densi 12 0 Tail Height 150 MD 122 TVD TTT Old Mud Weight T Displacement Fluid 0 100 D Cement Tops Tops 6 Section 4 Lead Cmt 8 53 7 96 7 84 7 84 Fig 24 Typical Design Report 5 211 5 461 5 611 a we me Pa TE Loads SF 2 4 840 5 045 5 168 S pe The Design Report is a full and comprehensive report broken down into four sections The Design Report can be exported or e mailed to the operator When is selected a copy of the report is also exported to the local well file Casing Design User Manual Page 23 www drillingsoftware com a Design Report Section 1 Save amp Exit Design Set View size Print Design report Export Email
11. 500 0 304 4 892 50 477 Btm Csg Sect 2 4 011 3 857 c 95 17 00 95 000 5 500 0 304 4 892 23 235 Top Csg Sect 3 4 011 3 857 3 55 17 00 55 000 5 500 0 304 4 892 23 235 Btm Csg Sect 3 5 011 4 676 J 55 17 00 55 000 5 500 0 304 4 892 9 615 Top Csg Sect 4 5 011 4 676 5 95 20 00 95 000 5 500 0 361 4 778 9 615 Btm Csg Sect 4 5 611 5 168 5 95 20 00 95 000 5 500 0 361 4 778 0 Casing Shoe 5 611 5 168 5 95 20 00 95 000 5 500 0 361 4 778 0 an 4 K Collapse Adjusted for Axial Tension Rated Temp De Rated Section Tension Yield Axial Temp amp Tension MTD TVD Collapse Collapse Tensions Ratio De Rating Factor De Rated Collapse Datum RKB Well Head 10 10 4 420 4 463 285 636 0 21 0 880 3 929 TOL 5 010 5 010 4 420 3 711 111 370 0 08 0 957 3 552 Top Lnr Sect 2 5 010 5 010 5 600 4 701 111 370 0 06 0 967 4 545 Btm Lnr Sect 2 7 010 7 010 5 600 4 528 41 564 0 02 0 988 4 473 Top Lnr Sect 3 7 010 7 010 5 410 4 374 41 664 0 07 0 964 4 215 Btm Lnr Sect 3 8 010 8 010 5 410 4 313 20 832 0 03 0 982 4 237 Top Lnr Sect 4 8 010 8 010 5 410 4 313 20 832 0 03 0 982 4 237 Etm Lor Sect 4 9 010 9 070 5 410 4 260 0 0 00 1 000 4 200 Liner Shoe 9 010 9 010 5 410 4 260 0 0 00 1 000 4 260 Mud Gas Interface 9 010 3 101 5 410 4 260 0 0 00 1 000 4 260 Fig 22B De rating Collapse Curve Factors Use the scroll bar to review the data Select ges to return to the Design Criteria page Select ____Cementina Safety Factors and Loads to access the Cementing Collapse Load p
12. 730 000 4 730 000 1 946 000 2 410 000 Exit 9 203 296 7 669 413 12 139 114 10 115 928 5 409 823 6 697 876 4 508 185 8 015 774 6 679 811 10 555 751 8 796 459 2 906 955 4 618 141 4 618 141 5 717 699 5 717 699 3 848 451 4 776 203 6 828 252 6 828 252 8 454 026 8 454 026 5 690 210 8 972 389 11 108 672 11 108 672 7 476 991 1 946 217 2 409 602 Add Custom Casing Specs to Database To select a casing highlight the required casing section Select o ne and OoOo t if the design requires only 1 2 or 3 sections The program automatically returns to the Design page after 4 sections are selected The selected Casing Data is shown at the top of the Design page Ref Fig 6 is then shown Casing Design User Manual Page 7 www drillingsoftware com Set View size Setup Design Criteria Tri Axial Design Printout Update Design Select Drift or ID fS S E E E e E 2f se feof cs f bwes f ro f omo f reo iese oss ess f wen 9 630 E sis e 188 e a seo 22800 ara o 35 aot T PS HE Production Csg Shoe at 6510 SETUP C s Mud Gas Interface TVD 8510 SIE E Well Head x cc H aranan fig Con Temperature Units F Fig 6 Casing Data Select ox on the prompt The Menu Bar is shown On the Menu Bar select Ref Fig 7 Section Depths 28 Fig Section Depths Casing Design User Manual Page 8 www drillingsoftware com Select Clear Depths to clear any existin
13. Gi t Sh Salt Water Gradient On Shore or Offshore Casing String Step 5 Last Csg Setti th TVD Ei 44 i M j i B 0 442 psift ost Sedimentary Basins C iStructural rer C 0 454 YR North Sea South China Sea P Jetted 0 465 psift Gulf of Mexico on Old Mud Weight ppg C 0 478 psift Misc Other Waters oc j 13 Custom Salt Water Gradient Surface 1 Csg E Next Csg Setting Depth TVD Surface 2 Csg Design Condition Step 2 4450 Scab Liner Onshore Design Offshore Design m T Intermediate Csg Est Leak off next Depth ppg Well Design Selected in Survey Intermediate Liner Drig Liner is ONSHORE Production Csg Production Liner Design Condition Step 3 Adjust Step 4 Y TieBack String a For axial Tension Drilling Condition m Yes Producing Condition C No ee Ba Ls Fig 12 Casing Design Condition Setup On the Casing Design Condition Setup data form the following are selected Design Conditions e Salt Water Gradient Offshore e Onshore or Offshore e Drilling or Producing Case e Axial Tension Note The updated version of the Casing Design program includes Bi axial and Tri axial calculations String Selection e Structural Jetted Driven Conductor Surface 1 Csg Surface 2 Csg Scab Liner Intermediate Csg Intermediate Liner Drlg Liner Production Csg Production Liner Tieback String Casing Design User Manual Page 11 www drillingsoftware com Make the required
14. MD Size Weight Grade Connection Collapse psi Burst psi Joint Ibs Body lbs Wall ID Drift ID Box OD Casing Design User Manual Page 24 www drillingsoftware com Survey Data e MD Inclination Azimuth TVD TVD SS N S E W DLS Closure Mud Gas Interface MGI Note The MGI is linked to the of mud evacuation and is indicated in all four sections of the Design Report b Design Report Section 2 Fig 24B Minimum Design Safety Factors Design Collapse Design 00 Evac EMW Pore 1 13 1 20 1 60 P Point Burst Tension Load B wor maae Lonas es Shoe Leak Off EMW BHP Shoe Mr Mud 3 439 tr Shoe Rr ame 2 120 Fig 24B Design Report Section 2 section 2 of the Design Report shows MD atthe top of each section MD atthe bottom of each section TVD atthe top of each section TVD atthe bottom of each section All calculated design safety factors c Design Report Section 3 Fig 20C Rated Strengths De Rated Strengths due to Temperature Effect Collapse Burst Joint akin Load Tensile JT Tensile E Collap pse Baat 1 122 000 1 772 801 1 132 814 1 789 887 1 122 000 1 772 801 2 1 132 814 1 789 887 1 122 000 1 772 801 L 1 037 670 1 639 557 Top Csg Sect 2 i 3 1 402 000 2 284 443 i L 1 296 626 2 112 745 Mud Gas Interface S 1 402 000 2 284 443 i d 1 247 343 2 032 443 Btm Csg Sect 2 E X 1 402 000 2 284 443 f 1 222 647 1 992 203 Top Csg Sect3 L c 1 040 000 1 661 413 4 906 956
15. Report View Charts Edit Report Heade UpDate Design i paip eee et ee ce eer Enter Company name and contact information here Well Name amp Number Katy 1 RKB ELEV 90 ft MD 7500 Depth Units feet MW Units PPG Rig Raa RKB 11 ft Long isas wczse e_ TVD_6715 Tempunits F G C AFE 123456 WH Well Classification Casing String Drilling Production SW Grad Mud Evac Vert Dir Water Depth Gas OilGrad Risk Class Well Head Casing Design Report 2 E E T ONSHORE Intermediate Csg Drilling Condition 0 442 60 Mud Evac Directional 0 00 0 15 Development 1 000 L i ing Section Box OD in 5 611 STAC 2 260 5 020 963 000 1 555 616 m ame wom voss wsi ewm orsuom Closure t 0 00 11 79 0 00 0 00 0 00 0 00 14 380 l 2 011 13 380 77 00 N 80 STAC 3 100 5 760 1 122 000 1 772 801 0 550 12 280 12 150 14 380 4 011 13 380 72 00 P 110 HC ST amp C 3 470 7 400 1 402 000 2 284 443 0 514 12 352 12 250 14 380 5 011 13 380 72 00 N 80 ST amp C 2 670 5 380 1 040 000 1 661 413 0 514 12 352 12 250 14 380 13 380 68 00 N 80 0 480 12 420 12 290 0 Fig 24A Design Report Section 1 Section 1 of the Design Report shows The Report Header Well Particulars Casing Design Report e Well Classification Onshore Offshore Casing String Well Classification Drilling Production SW Grad Mud Evacuation Well Classification Vertical Directional Water Depth Gas Oil Grad Risk Class e Well Head Rating Casing Section e
16. age Ref Fig 22C Casing Design User Manual Page 20 www drillingsoftware com c Cementing Collapse Load Fig 22C All Depths are in Feet ONSHORE Axial Tension Please complete your design first this is calculated against your present design collapse results Cementing De Rated Temp amp Tension Collapse Strengths MD Height TVD Height l Temp amp Tension Lead Cement Density a a m MD TVD De Rated Collapse oe oe 12 ppg 150 150 Well Head 10 10 3 929 Tail Cement Density TOL 5 010 5 010 3 552 Old Mud Weight B Pa MTD Casing Shoe 9 010 ee ale S K Bim Lor Sect 2 7 010 7 010 44735 Displacing Fluid Weight 10 9 TVD Casing Shoe 9 010 Top Lnr Sect 3 7 010 7 010 4 215 Btm Lor Sect 3 8 010 8 010 4 237 Top Lnr Sect 4 8 010 8 010 4 207 Btm Lnr Sect 4 9 010 9 010 4 260 Clear Inputs Liner Shoe 9 010 9 010 4 260 Cement Depth Depth Linear Temp F Collapse Temp amp Tension Cementing Tops MD TVD Load De Rated Collapse Collapse SF Top of Lead 8 610 8 610 430 1 343 4 251 3 17 Top of Tail 8 050 8 060 493 1 408 4 209 3 02 Shoe 9 010 9 010 500 1424 4 260 2 99 Fig 22C Cementing Collapse Load After reviewing the data select kK to return to the Design Criteria page Select Select Oo to return to the Design Page Select dee on the Menu Bar Casing Design User Manual Page 21 www drillingsoftware com 14 Printout Header Fig 23 The Printout Header is accessed from either the __UPdate Design button on t
17. al Page 13 www drillingsoftware com At the top of the Section Depths data form there is a reference to the selected type of well and all the datum depths Enter the depths at the bottom of each casing section Note A warning will indicate any errors in the design Select Clear Depths and enter the new depths Select Continue The estimated BHT data form is shown Ref Fig 13 8 Temperatures and Estimated BHT Fig 17 Estimated BHT F p E T pem Ambient Temp C emperature C Linear Interpolation Y Custom Input Select T Temperature F Y Temperature C Casing Design User Manual Design Temperature Linear Temp F Onshore Well Linear Temp F Custom Input F MD RKB 0 00 60 60 ii 60 Datum RKB Well Head Ground Level 10 10 Etm Csg Sect 1 3 6871 4 011 Btm Csg Sect 2 4 117 4 311 TVD RKB 0 00 ii 4 117 4 117 4 117 3 789 3 994 Casing Shoe Mud Gas Interface Top Lead Cmt Top Tail Cmt 4 311 4 311 3 911 4 161 Clear all Temperature inputs Fig 1 Estimated BHT Select before entering new temperatures Enter the Known ambient temperature Select the Linear Interpolation or Custom Input for the bottom of each casing section Select the Temperature units C or E Page 14 www drillingsoftware com A reference to all the datum depths TVD MD and the linear and or custom temperatures is shown in the Design Temperature panel select Continue T
18. are reviewed Temperature De rating Factors De rating Factors due to Axial Loading Cementing Safety Factors Select View Tempera Effect page Ref Fig 22A to access the Temperature De rating Casing Design User Manual Page 18 www drillingsoftware com a Temperature De rating Effect Fig 22A Yield Strength De Rating Factors AA Pee 150 200 250 300 350 400 450 500 550 600 10 20 30 40 50 60 70 a0 s z S 110 130 2 140 150 a 160 170 180 190 200 210 220 230 EEE Temp F Temp C Rated Tensile Rated Tensile 976 000 976 000 976 000 1 253 000 1 253 000 519 000 519 000 460 000 460 000 460 000 460 000 Fig 22A Temperature De rating Effect Use the scroll bar to review all data Select des to return to the Design Criteria page Select De rating Factors Ref Fig 22B to access the Collapse Strength Casing Design User Manual Page 19 www drillingsoftware com b De rating Collapse Curve Factors Fig 22B Collapse Strength De Rating Factors Axial Tension De rating Factor for Collapse Sa Fa Area F Pi 4 OD 2 1D 2 Ypa Yp sqrt 1 0 75 Sa Yp 2 0 5 Sa Yp De rating Factor Ypa p Vertical A Csg Depth MD TVD Grade PPF Yp OD Wall ID Tensile Load Well Head 11 11 P 110 17 00 110 000 5 500 0 304 4 892 77 719 Btm Csg Sect 1 2 011 2 010 P 110 17 00 110 000 5 500 0 304 4 892 50 477 Top Csg Sect 2 2 011 2 010 C 95 17 00 95 000 5
19. erent weights and grades of casing can be selected If a tapered string design is required different sizes of casing can be selected The casing database contains over 4000 different joints Customized casing data can be appended to the database Casing Data Select first item 2 3 4 5 6 7 8 9 10 11 12 15 19 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 4 gt Select up to 4 different casing specifications Select a Csg Section Click Next then Exit or Selecta second selection Click Next after each selection Click Exit when finished o0u can select up to 4 sections Quik Stab FOD 90 1 Plain End Quik Stab FOD 90 Plain End lain End lain End lain End lain End lain End Plain End Plain End Plain End Quik Stab HD 90 Plain End Quik Stab HD 90 Quik Stab FOD 90 Quik Stab HD 90 Plain End Quik Stab HD 90 Plain End Quik Stab HD 90 Quik Stab HD 90 Plain End Plain End Quik Stab HD 90 Quik Stab HD 90 lain End lain End 1 690 1 540 3 100 2 750 440 1 010 1 010 1 050 1 050 950 1 470 2 360 2 360 2 610 2 610 2 140 4 090 4 770 4 770 3 570 220 220 Fig 5 Casing Data Form 9 203 000 7 470 000 12 139 000 7 470 000 5 410 000 6 698 000 4 508 000 8 016 000 6 680 000 10 556 000 8 796 000 2 907 000 4 618 000 4 730 000 5 718 000 4 730 000 4 730 000 4 730 000 6 828 000 4 730 000 8 454 000 4 730 000 4 730 000 8 972 000 11 109 000 4
20. g data After entering the depths of each casing section in the section panels select O Conine The Update Charts prompt is shown Ref Fig 8 Do you want to update all the charts before you continue O Fig 8 Update Charts Selecting L bau returns the program to the Design page Ref Fig 4 es selected refer to Para 2 C 14 b Liner Data On the Design Page Ref Fig 4 select a ite A Design for a Liner panel is shown Ref Fig 9 Is this Design for a Liner For a Liner Design The program assumes that the first section is the existing Enter the bottom of Section 1 as the TOL You can enter up to 3 liner The TOL should be entered as the Bottom of Section One Casing Fig 9 Design for a Liner Casing Design User Manual Page 9 www drillingsoftware com On the panel select 2 The liner s can now be selected in the same manner as selecting casing data Ref Para 2 C 1 a After selection the design page is shown with the selected liner data shown at the top of the design page Ref Fig 10 Previous cemented casing set View size SelectLiner Design J etup Design Criteria Tri Axial Design Printout Update Design Select Drift or ID N l a Liner Design Selected R roog 3200 cs trac oro 10760 768 000 ss S 7o pe 320 ss mec soo 1o60 772000 885 253 7 VAM FIL 806 144 Fig 10 Liner Data Up to 3 liner sections can be used If
21. he Design page Ref Fig 4 or the IE i button on the Update Charts prompts Fig 8 and Fig 20 e de DAG e lets Well Name Mo New Well 1 Location Texas Rig Rig 1 Coordinates Lat ma 19 35 10 6348 E Design Prepared by Johnny Engineer For Operating Company Big Oil 11 23 2011 11 15 3 Risk Classification C Exploration L Production f Re entry L Development L Offset L Deepening Continue Fig 23 Printout Header The Printout Header is used to input the well particulars These are Well Name No Location Rig RKB Elev RKB WH AFE Coordinates Lat Long Design Prepared By Operating Company Date Risk Classification Enter the data Select Continue The Design Report is shown Ref Fig 24 Casing Design User Manual Page 22 www drillingsoftware com 15 Design Report Fig 24 Save amp Exit i Set View size Print Design report ExportvEmail Report View Charts Edit Report Heade UpDate Design Enter Company name and contact information here Well Name amp Number teston Tems f ponev sot Ler 2eagazarrm mp 7500 pept th Units MW Units a Long 19 35 10 6348 E_ TVD 6745 Drilling Production esmo senon Two se went onee a 1 402 000 Minimum Design Safety Factors 1 20 1 80 1 80 Calculated Safety Factors Section 2 SFeivu SF gt 10 SF gt 10 Rated Strengths De Rated Strengths due to Temperature Effect
22. he Select Well Head Rating data form is shown Ref Fig 18 9 Select Well Head Rating Fig 18 Select Well Head Rating psi Select Well Head Rating C s000 f 15000 C 10000 f 20000 WARNING WH Rating is Less Than Design Burst Pressure Selected WH Rating 1 000 r r m S 1 Figure 18 Select Well Head Rating select the well head rating design from 1000psi to 20000psi Note If a rating below the calculated surface pressure is selected a red warning will be shown The maximum design burst pressure and the safety factors have all been calculated in the background Select Continue The Mud Evacuation Selection data form is shown Ref Fig 19 Casing Design User Manual Page 15 www drillingsoftware com 10 Mud Evacuation Fig 19 Fig 19 Mud Evacuation Select the percentage of mud evacuation for the design 0 to 100 or a custom percentage can be entered Note If a producing well design was previously selected the program automatically selects 100 mud evacuation Select RR The Update Charts data form is shown Ref Fig 20 11 Update Charts Fig 20 Do you want to update all the charts before you continue es Fig 20 Update Charts Select eS to update all the Design Report Design Charts Ref Figs 24 and 25 If l selected the Printout Header Data page is shown Go to Para 2 C 14 Selecting i shows the Design Progress page Ref Fig
23. illingsoftware com 17 Typical Design Charts Fig 25 When give an instant visual indication for easy analysis DLS 100ft 0 00 10 00 20 00 30 00 40 00 50 00 1000 00 2000 00 3000 00 a 4000 00 5000 00 6000 00 7000 00 ig 25A Desi Fig 25A Design Chart DLS Departure MTD o o 2 000 0 4 000 0 6 000 0 8 000 0 10 000 0 12 000 0 0 00 i 4 i i i j 1000 00 2000 00 3000 00 4000 00 b 5000 00 6000 00 7000 00 Fig 25C Design Chart Departure De Rated Tensile Strengthvs Tensile Load LBS Directional D 00 000 1 000 000 1 500 000 2 000 000 2 500 000 o 4 a I U 1 U U U U U 1 000 U 4 i U I U I U i U U 2 000 t A Ra e m a a al k 1 i 6 1 U E 3 000 4 e V U 4 L 7 j 4 000 t a A d t U i 1 5 000 t di id E U U a 6 000 i Tension Load De Rated Joint Strength De Rated Body Strength Fig 25E Design Chart De rated Tensile Strength vs Tensile Load View charts Jis selected in the Design Report the design charts are displayed to ME i T E I J 1 j i j i j i j i J i i j I T 9 i F i i p 4 ka ra La r a a x E Fig 25B Design Chart De rated Burst and Collapse vs Rated Burst and Collapse TVD Vertical Section Azim 125 Deg 0 o 1 000 Vertical Section View Closure feet Lateral Displacement 500 1 000 1 500 2 000 2 500 3
24. is automatically calculated TVD Sub Sea TVD TVD SS N S E W DLS Closure External data can also be imported Casing Design User Manual Page 5 www drillingsoftware com C Casing Design The Directional Survey page is the entry point for the design stage To start the casing design on the Directional Survey page select eels the Menu Bar overlay The Design page is shown Ref Fig 4 with 2 42000 43794 AS3B PlainEnd 660 1460 4 508 000 4508185 1 SETUP CASING DESIGN Well Head Burst SF Collapse SF Tension SF S S TCH HERT ONSHORE Bust sr eotene sr Terons ing eae ernt OF a w o oo P iaza Edit Depths Puc wo o on 50 soo 720 1 Collapse Adjusted for Axial Tension GL af w f soo sao a 4 5 010 soo 13 8 ppo sF lt t 0 sFeto 116 4 8 010 12 510 500 1301 SF lt t 0 SF lt t0 283 1 8977 psi Fig 4 Design Page NOTE For the Menu Bar button functions and the Casing Design flow chart refer to Appendix A Any existing anomalies in the design will cause a red message to be shown on the Menu Bar The warning message shown informs the design engineer of the specific design fault 1 Casing and Liner Data a Casing Data Select Casing On the Menu Bar select The Casing Data form is shown Casing Design User Manual Page 6 www drillingsoftware com Ref Fig 5 On the Casing Data form up to 4 diff
25. www drillingsoftware com Drillingsoftware Casing Design User Manual 1 Introduction Working Stress Design WSD loads are evaluated throughout the entire length of the casing from the Well Head to the Casing Shoe True Vertical Depth TVD is now fully linked to Vertical Well Geometry or Directional Well Geometry Accurate TVD s are used for precise Burst Collapse and Tensile load calculations User defined Custom Casing Specifications can also be incorporated into the design The program is designed to take the user through a logical sequence to achieve the optimum casing design 2 Operation A Menu WELCOME TO DRILLINGSOFTWARE a About This Program WSD Parameters CASING DESIGN PROGRAM Version 2 05 So Enter Design Survey L s X utilities Exit Fig 1 Menu Casing Design User Manual Page 1 www drillingsoftware com On the Menu page selecting OOUtTIS Program and the WSD Parameters buttons explain the program parameters Selecting ENE Pesign survey shows the Directional Survey page Selecting Utilities shows the contact details of drillingsoftware Selecting t closes the program B Set up To set up the design program select F E Design survey The Directional Survey page is shown Onshore Well Shallow Offshore Well Deep Offshore Well Datum RKE 0 0 Datum RKB o0 ee wo ee w cence O a RKB GL_ 20 RKB MSst e fee GL MSL_ 80 0 Water Dep pke mst e20 Ten par wn mst
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