Geotech Sipper Pump & Skimmer Assembly Installation and
Contents
1. is required prior to return of any equipment to our facilities please call our 800 number for appropriate location An RMA will be issued upon receipt of your request to return equipment which should include reasons for the return Your return shipment to us must have this RMA clearly marked on the outside of the package Proof of date of purchase is required for processing of all warranty requests This policy applies to both equipment sales and repair orders FOR A RETURN MATERIAL AUTHORIZATION PLEASE CALL OUR SERVICE DEPARTMENT AT 1 800 833 7958 Model Number Serial Number Date of Purchase Equipment Decontamination Prior to return all equipment must be thoroughly cleaned and decontaminated Please make note on RMA form the use of equipment contaminants equipment was exposed to and decontamination solutions methods used Geotech reserves the right to refuse any equipment not properly decontaminated Geotech may also choose to decontaminate the equipment for a fee which will be applied to the repair order invoice 33 Geotech Environmental Equipment Inc 2650 East 40th Avenue Denver Colorado 80205 303 320 4764 e 800 833 7958 e FAX 303 322 7242 email sales geotechenv com website www geotechenv com2. gt tX H20 SENSOR e Dense Non Aqueous Liquids are liquids that specific gravity greater than 1 or water Sources of DNAPL contamination are typically chlorinated solvents leaked from industrial processing and storage DNAPL is particularly difficult to find in free em phase in ground water aquifers Typically when free phase DNAPL is uu found it is at a solid rock barrier or a very low permeability material such as tight clay In either case the recharge rate of the free phase DNALP layer at the bottom of a recovery well will typically be slow The stainless steel pump when equipped with a Water Sensor and a screened intake is an effective way of pumping DNAPL The water sensor will reduce the amount of non DNAPL water pumped and the screen intake will ensure proper operation of the pump s check valves in a potentially gritting environment See Figure 1 3 for a DNAPL E pumping configuration The system can be easily changed in the field from DNAPL recovery to a total fluid system by simply disconnecting the water sensing system DNAPL 3 Follow Skimmer attachment guidelines when connecting the DNAPL wa INE intake see Section 2 System Installation N Figure 1 3 DNAPL recovery configuration for Stainless Steel Pump System Components Stainless Steel Pump Assembly An air operated stainless steel pump is attached to the upper portion of the Skimmer The pump consists of a stain
3. CLAMP SS STEPLESS EAR 17MM TUBING 3 8 5 8 PRODUCT DISHCARGE CLAMP SS6 WORM 7 32 5 8 TUBE INTERNAL SIPPER PUMP 22 Parts List 16600030 26600013 26600019 16600037 17500151 26600157 16650310 26600017 26600018 16650323 16600023 26600162 16600004 16600019 16600063 26600170 318 0 YOSNIS OCH HOUSING j HOSN3S OZH INSULATION CLAMP 1 SET SCREW 2 Figure 8 2 Stainless Steel Pump Assembly with optional H2O Sensor Sipper Stainless Steel Pump with optional H2O Sensor Assembly 56600059 In addition to previously listed parts for Sipper Stainless Steel Pump Assembly 56600050 SENSOR 2 REPLACEMENT 56600085 CABLE 28AWG 8COND URETH ORS418005 CLAMP INSULATOR PRS W H20 SENSOR 26600270 SCREW SS6 6 32x 75 PNH PPF013012 Requires specified cable length maximum 500ft 23 HOSEBARB 3 OPTIONAL CENTRALIZER 4 CENTRALIZER 9 SCREEN 10 SHAFT 5 2 INTAKE ASSEMBLY 8 SCREEN 11 HOSE CLIP 9 6 HOSEBARB 7 CENTRALIZER SCREEN 10 CENTRALIZER 4 C O CLAMP 1 CAP 6 O 7 Figure 8 3 Standard 2 Skimmer Assembly 24 2 Skimmer Assembly 100 mesh 56600003 Item Parts Description CLAMP SS STEPLESS EAR 7MM HOSE COILED PR2 HOSEBARB BRS 3 8 X1 8FPT CENTRALIZER PVC SKIMMER 2 SHAFT SS SKIMMER 33 5 PRC CAP BRS 1 8FPTx10 32 90 DEG H
4. damaging the screen intake Rinse the product intake assembly with clean water and make sure it is completely dry before reconditioning the intake screen For heavy oil Skimmers use warm soapy water first followed by WD40 or kerosene to remove debris or bio growth from the buoy body then rinse and let dry Using warm soapy water clean all debris and bio growth from the Skimmer shaft and coiled tubing Conditioning the Skimmer Intake Screen Prior to initial deployment and after every cleaning the intake screen must be conditioned or primed with diesel fuel or other similar hydrocarbon Use a soft bristle brush to saturate the screen portion of the intake thoroughly The optimum fluid would be to use the downwell hydrocarbons being recovered Take care to avoid damaging the screen intake 14 Section 5 System Troubleshooting Additional troubleshooting measures be found in the Solar Sipper User Manual Problem The pump is only discharging water not product Solutions The water level has risen above the travel range of the Skimmer e Pull the pump and Skimmer out of the well Purge the water out of the intake and pump by allowing the system to cycle for several minutes prime the intake cartridge screen then reset the Sipper controller The pump position has slipped or the pump was installed below the water level in the well e Prime the intake cartridge screen re position the pump and Skimmer then reset the Si
5. of the product to be recovered with a Skimmer must be less than 1 0 and its viscosity less than 50 SSU for use with the light oil membrane and 400 SSU for use with the heavy oil membrane cartridge Geotech application engineers may be consulted for product recovery operations with viscosities outside that range See Geotech Manual Hydrocarbon Viscosity Test Kit for more information on choosing the correct intake membrane This type of membrane technology is designed to be used in wells with free product of at least 1 8 3 mm thickness The presence of surfactants or detergents in the product requires careful application Surfactants and detergents may interfere with oil water interface surface tension This may interfere with pumping product layers of less than 1 8 as the oil water interface may become mixed The system will continue to operate and pump oil water mixtures When confronted with these contaminants please consult Geotech If using water sensor in stainless steep pump the sensor may need to be temporarily removed disconnected to allow oil water mix to be pumped Other Applications for Stainless Steel Pump The typical configuration of Stainless Steel Pump with attached Skimmer is implemented when floating hydrocarbons with density less than 1 or water are pumped Without the Skimmer the stainless steel pump can be used either as a stand alone total fluids pump or a DNAPL recovery pump AIR IN OUT D
6. 0 27500005 27200013 Parts List 16550181 16550176 26030001 86020001 86600061 86600062 87050501 87050529 87050509 16600019 87050506 87050511 11150259 16600004 16600063 DOCUMENT REVISIONS EDCF DESCRIPTION REV DATE Previous Release 06 05 2012 Updated manual to include PRS with H2O Sensor option SP 6 12 2014 Clarify H2O Sensor as optional SP 9 2 2014 General updates and clarifications included DNAPL information SP JL 01 05 15 32 Warranty For a period of one 1 year from date of first sale product is warranted to be free from defects in materials and workmanship Geotech agrees to repair or replace at Geotech s option the portion proving defective or at our option to refund the purchase price thereof Geotech will have no warranty obligation if the product is subjected to abnormal operating conditions accident abuse misuse unauthorized modification alteration repair or replacement of wear parts User assumes all other risk if any including the risk of injury loss or damage direct or consequential arising out of the use misuse or inability to use this product User agrees to use maintain and install product in accordance with recommendations and instructions User is responsible for transportation charges connected to the repair or replacement of product under this warranty Equipment Return Policy A Return Material Authorization number RMA
7. 509 de 5050500 522 52 GE 02545055 tete ee dere SKIMMER SCREEN 252 d SS e OCHO 252 525062 009 22526 E CS 9 9 9 e X d 25252596 er 2525 lt 2 lt 2 250 lt gt 2525 525252 252505 Ze 252525 252 525 2926 5555 2 lt 2505 22 d gt lt 552 2 NN d C e x 2 S de Ke 5 Ge Ca 22 0 25 A ESATA 20252 092509 256625 LOWER END Figure 1 7 High Temp Heavy Skimmer Attachment optional Section 2 System Installation diesel fuel or a similar hydrocarbon The optimum fluid would be to use the same downwell hydrocarbon to be recovered Use a soft bristle brush to avoid E Prior to installation ensure that the intake screen is conditioned or primed with damaging the screen intake Install well cap as per manufacturors guidelines Calculate the tubing lengths required to install the Skimmer Normal tubing lengths are around 180 55 m in well depth suggested maximum is around 500 152 m total system length Longer systems can be accomidated if care is taken to protect tubing and account for longer cycle timers To calculate the amount of air line and discharge hose required to suspend the pump and Skimmer in the well first determine the following lengths e Measure the static water depth in th
8. C S C M V IA CH M M 2 A 7974 PRI MIK VNK OLOR NNN N KN NNN RN RI RRM JJ JII eS 60404 5606 0 2 0 0 04 0 0 0 509226 KEE c 0 0404 A END CAP 5 D HEX 9 30 4 HOSEBARB 3 COILED HOSE 6 INTAKE FITTING 2 2 2 HOSEBARB 3 Figure 8 6 4 High Temperature Heavy Skimmer Assembly 4 High Temp Heavy Oil Skimmer 56600012 Item Parts Description BUOY UHMW HEAVY OIL HI TEMP FITTING BUOY INTAKE HTHO HOSEBARB BRS 1 8 X10 32 90DEG HOSEBARB EXT 1 8M F NPT 10 32 END CAP BUOY INTAKE HTHO TUBING COILED PTFE HTHO SKIMMER SHROUD 4 HTHO PIPE CENTERING SCH80 1 8 HTHO FITTING HEX CAP 1 8FPT HTHO O 0 JO OP ON Sipper and Skimmer Accessories Parts Description MANUAL SIPPER PUMP amp SKIMMER ASSEMBLY MANUAL SOLAR SIPPER MANUAL TEST KIT HYDROCARBON VISCOSITY TEST KIT HYDROCARBON VISCOSITY WELL CAP 2 SLIP W CMPRSN FTG SIPPER WELL 4 SLIP W CMPRSN FTG SIPPER TUBING PE 170x1 4 FT POLYETHYLENE TUBING TLPE 170x1 4 FT FEP LINED POLYETHYLENE TUBING FEP 170x1 4 FT FEP TUBING RBR 3 8x5 8 FT PRODUCT DISHCARGE TUBING TLPE 3 8x1 2 FT FEP LINED POLYETHYLENE TUBING FEP 3 8x1 2 FT CLAMP NYL 1 4 SNAPPER CLAMP SS STEPLESS EAR 17MM CLAMP SS6 WORM 7 32 5 8 31 Parts List 26600206 26600207 17500149 27200012 26600209 56600074 2660021
9. ENDED TRAVEL ASSY SKIMMER 4 60 MESH ASSY SKIMMER 4 60M W SCREEN ASSY SKIMMER 4 60 MESH 5 FT EXTENDED TRAVEL 27 Parts List 16600005 16650312 16650308 16600048 26600002 16600064 17500149 56650310 26650028 56650313 26600187 26600189 56600055 56600008 56600070 56600072 56600073 4 CENTRALIZER 5 2 INTAKE FITTING 2 BUOY BODY 1 HOSEBARB 3 b SHAFT 6 CLAMP 8 0n COILED HOSE 7 lt gt CENTRALIZER 5 COUPLING 9 y D CLAMP 8 F5 HOSEBARB 3 Figure 8 5 4 Heavy Oil Skimmer Assembly 28 4 Heavy Skimmer 56600005 Item Parts Description BUOY PP HEAVY OIL FTG INTAKE OIL BOUY HOSEBARB BRS 170 X1 8MPT 90D HOSEBARB BRS 3 8 X1 8FPT CENTRALIZER SKIMMER PR4 SHAFT SS OIL SKIMMER 38 HOSE COILED OIL SKIMMER CLAMP SS DBL PINCH 9 32 23 64 COUPLING SS4 125 O 0 JO OP ON 4 Heavy Oil Skimmer Options ASSY BUOY OIL 4 29 Parts List 26600004 26600005 17500148 16650308 16600048 26600006 26600007 11200273 16600006 56600060 END CAP 5 CENTERING PIPE 8 z a 2 I n o v 4 mo 99 9999 e e o XX OX e e Ee OX OO X XC 9 99 9 we d 55 5 X 062 0 0 060006 X 952529 MN A AININ KA KIO IG KIKI 00 90 IK IK IK II IKK KNN 00 0000 96 9 KNN II 96 9 0 00 NKI 6 KKK 00 KINK NK KNN 00 00 90 X 9
10. Geotech Sipper Pump amp Skimmer Assembly Installation and Operation Manual Rev 01 05 15 Part 16550181 TABLE OF CONTENTS Section 1 System Description niae cra eu te SEN 3 eiert P 3 Specific Gravity and Viscosity Limitations xc ocio eds e Rire eii Brea e REDE BENE eiua ps 5 Stainless Steel 6 7 Heavy Oil Skimmer 1 erp RR 8 High Temperature Heavy Skimmer 8 Section 2 System Installation 10 Section 3 System Operation E 11 Section 4 System lt lt 12 Cleaning the Skimmer and Intake EE 14 Conditioning the Intake SCIOCI sussa ret ci vsta 14 Section 5 System Troubleshooting ic 15 Section 6 System nnn han adeo Ran y a NOA ANA 17 Stainless Steel tp E ER FER E 17 Stainless Steel Pu
11. OSEBARB BRS 1 8 X10 32 90DEG ASSY BUOY SKIMMER 2 100MESH HOSE CLIP SKIMMER FLOAT O 0 JO OP ON 2 Skimmer Options 8 ASSY BUOY SKIMMER 2 60 MESH 10 CENTRALIZER PVC SCREENED PR2 11 SCREEN SS 1 88 ODX32 7 STRAIGHT WELD Additional 2 Skimmers HOUSING RECLAIMER 1 66 554 36 ASSY SKIMMER 2 60 MESH ASSY SKIMMER 2 60M W SCREEN 25 Parts List 16600005 26650304 16650308 26650306 26600002 16600064 17500149 56650309 26650028 56650312 26600186 26600188 56600064 56600069 56600071 HOSEBARB 3 OPTIONAL CENTRALIZER 4 CENTRALIZER SCREEN 10 SHAFT 5 4 INTAKE ASSEMBLY 8 SCREEN 11 HOSE CLIP 9 HOSEBARB 7 COILED HOSE 2 CENTRALIZER 12 SCREEN 10 EN CENTRALIZER 4 C 2 1 6 HOSEBARB 7 Figure 8 4 Standard 4 Skimmer Assembly 26 4 Skimmer Assembly 100 mesh 56600004 Item Parts Description CLAMP SS STEPLESS EAR 7MM HOSE COILED PR4 HOSEBARB BRS 3 8 X1 8FPT CENTRALIZER SKIMMER PR4 SHAFT SS SKIMMER 33 5 PRC 5 1 8 10 32 90 DEG HOSEBARB BRS 1 8 X10 32 90DEG ASSY BUOY SKIMMER 4 100 MESH HOSE CLIP SKIMMER FLOAT OONDOABRWN 4 Skimmer Options 8 ASSY BUOY SKIMMER 4 60 MESH 10 CENTRALIZER PVC SCREENED PR4 11 SCREEN SS 3 67 DIAM X32 7 Additional 4 Skimmers ASSY SKIMMER 4 100M W SCREEN ASSY SKIMMER 4 100 MESH 5 FT EXT
12. controller The intake float switch is high e Drain the intake float switch assembly on the side of the controller and inspect all lines and solenoids for fluid vacuumed into the controller Blow out all lines and parts adjust vacuum timing and then restart the Sipper controller Problem Applicable if pump is equipped with optional H2O Sensor pump is having to purge water with every cycle Solutions The skimmer is submerged in water e The product layer has been fully recovered or the water table has raised beyond the skimmer s travel capabilities Reset the pump position so that the intake screen and top of the hydrocarbon layer is in the middle of the skimmer s travel distance 16 Section 6 System Specifications Application Recovery Rate Maximum Depth Maximum Pressure Oil Water Separation Stainless Steel Pump Size Weight Materials Air Line Discharge Line 2 5 cm or larger recovery wells 2 gallons 76 liters per cycle 180 feet 54 9 m 100 PSIG 6 9 bar Oleophilic hydrophobic mesh screen 23 57L x 1 75 OD 59 7 cm x 4 5 cm OD 4 5 lbs 2 kg 303 and 304 SS flexible tubing PVC and Brass 170 ID x 25 OD Polyethylene 375 ID x 5 OD Polyethylene or fuel grade Synthetic Rubber Stainless Steel Pump with H20 Sensor Size Weight Materials Air Line Discharge Line 2 Sensor cable 2 Skimmer Assembly Size Weight Materials Effective Travel Operatin
13. d record product layer thickness and depth to water from top of well casing Verify pump vacuum pressure and delay settings are adjusted for the recharge rate of the well Place a pump positioning mark or zip tie on the discharge hose usually black even with the top of well casing Re deploy pump aligning new depth to water mark on discharge hose with top of well casing Check the Tankfull probe for proper operation Quarterly Maintenance Pull pump and Skimmer Clean the well screen site specific primarily to clear bio growth and keep thick degraded product from impeding conductivity to the well at the product layer Frequency to be determined by user Place float assembly in water to verify the screen stays out of the water at the top of the traverse range If it does not replace the coiled tubing and retest If it still does not replace the float assembly Yearly Maintenance Pull the pump and Skimmer from the well Open pump and clean interior and parts with soapy water Degrease the check disk and check ball seats Spray with WD40 or kerosene Clean and prime intake screen using the method described in this section 13 Cleaning the Skimmer and Intake Screen Standard 2 and 4 Skimmers will usually come with a float containing a 100 or 60 mesh intake screen When required gently clean the screen with WD40 or kerosene using a soft bristle brush to remove emulsified product bio growth or other debris Take care to avoid
14. e well using a Geotech Interface Probe e Measure the distance between the wellhead and the Sipper controller e Measure the distance between the wellhead and the product recovery tank See Figure 2 1 for a view of the Skimmer in relation to the well and static water level Do not make any cuts to the tubing until all measurements between the controller and wellhead and from the wellhead to recovery tank have been made If need be attach the Skimmer or intake to the bottom of the stainless steel pump using the 6 Cla ips 15 cm piece of rubber fuel hose and hose clamps provided Pump amp Hosebarb Ensure both ends of the hose are placed as far as they can go on each hose barb and then tighten the hose clamps in place Check connection by gently uU tugging at each hosebarb The N tubing should be secure e Figure 2 1 Connection between stainless steel pump and intake Skimmer amp Hosebarb hose clamp between the pump and Skimmer could eventually cause the Skimmer E This hose connection is important An old or brittle piece of fuel hose or a loose to detach and fall into the well Always inspect this connection prior to use 10 Pull the measured lengths of air line and discharge hose through the fittings on the well cap when applicable Fully tighten the compression fittings around the hose and tubing at the well cap The well cap is designed to suspend the pump and Skimmer assembly by the
15. g Temperature 23 57L x 1 75 OD 59 7 cm L x 4 5 cm OD 5 Ibs 2 kg 303 and 304 SS flexible tubing PVC and Brass 170 ID x 25 OD Polyethylene 375 ID x 5 OD Polyethylene or fuel grade Synthetic Rubber Polyurethane insulated cable 28AWG Acetal Resin 35 5 L x1 75 OD 90 cm L x 4 5 cm OD 1 75 1 5 0 8 kg 304 SS Polyethylene PVC Polypropylene and Brass Fittings 12 80 5 cm Standard Travel 32 to 100 F 0 to 38 C Minimum fluid level to activate Skimmer 15 38 cm 4 Skimmer Assembly Size Weight Materials Effective Travel Operating Temperature 35 5 L x 3 75 OD 90 cm L x 9 5 cm OD 2 25 16 1 kg 304 SS Polyethylene PVC Polypropylene and Brass Fittings 24 61 cm Standard Travel up to 5 feet 1 5 m available 32 to 100 F 0 to 38 C Minimum fluid level to activate Skimmer 9 23 cm 17 4 Heavy Oil Skimmer Assembly Size 40 L x 3 75 OD 102 cm L x 9 5 cm OD Weight 2 5 lbs 1 1 kg Materials 304 SS PP and Brass Fittings Effective Travel 24 61 cm Standard Travel Operating Temperature 32 to 100 0 to 38 C Minimum fluid level to activate Skimmer 15 38 cm 4 High Temperature Heavy Oil Skimmer Assembly Size 40 L x 3 75 OD 102 cm L x 9 5 cm OD Weight 2 5 lbs 1 1 kg Materials 304 SS HDPE and Brass Fittings Effective Travel 24 61 cm Standard Travel Operating Temperature 32 to 212 0 to 100 C M
16. inimum fluid level to activate Skimmer 15 38 cm 18 Section 7 System Schematics 1 75 17 4 44 2 cm 7 0 17 8 cm 160 0 cm 35 5 90 2 cm Figure 7 1 Stainless Steel Pump with Skimmer Dimensions 19 24 0 61 0 22 1 56 2 cm m 35 5 90 2 cm 17 4 35 44 2 cm 90 2 c 23 6 cm 1 75 4 5 cm SIPPER PUMP ASSEMBLY Note Optional H2O Sensor 1 75 3 75 on Stainless Steel 4 5 cm 9 5 cm Sipper Pump does not affect overall 2 SKIMMER ASSEMBLY 4 SKIMMER ASSEMBLY dimensions Figure 7 2 Standard Pump and Skimmer Dimensions 20 Section 8 Parts and Accessories HOSEBARB 7 lt AIR CONNECTION 4 55 NIPPLE 5 TOP CAP 3 CHECKVALVE 6 O RING 1 DISCHARGE 16 TUBE PUMP HOUSING 2 DOWEL PIN 12 DISC 8 O RING 11 BOTTOM CAP 9 HOSEBARB 10 CLAMP 13 TUBING 14 gi G3 CLAMP 15 O RING 1 Figure 8 1 Stainless Steel Pump Assembly 21 Sipper Stainless Steel Pump Assembly 56600050 Item JO OP ON Parts Description O RING VITON 128 HOUSING SS PUMP CRS PRS CAP TOP SS CRS TUBE CONN 1 4X1 8MPT POLYTITE PUMP NIPPLE BRS HEX 1 8NPT VALVE CHECK PRODUCT DISCHARGE CRS PRS PUMP HOSEBARB BRS 3 8 X1 8MPT DISC PVC CHECK CAP SS BOTTOM CRS PRS HOSEBARB BRS 3 8 X1 4MPT O RING VITON 208 PIN SS DOWEL CHK DISK CRS PRS
17. ipper controller a stainless steel pump assembly an attached Skimmer with floating intake cartridge or buoy and a Tankfull probe The Sipper controller regulates or cycles the pump and Skimmer assembly with three timer settings vacuum pressure and delay which vary the cycle time and recovery rate of the Skimmer See the Geotech Sipper User Manual for more details on Sipper operation Timed vacuum and pressure is applied to the pump to draw product from the Skimmer attachment which is then discharged into an optional above ground recovery tank The standard Skimmer features a unique product intake assembly that incorporates both a density float and an oleophilic hydrophobic membrane that differentiates between floating hydrocarbons and water The intake assembly follows the water table fluctuations and places the screen at the water product interface skimming LNAPL light non aqueous phase liquid down to a sheen within the range of the float travel As the system cycles product is drawn through the intake screen and is transferred to the pump through a coiled hose and the Skimmer s transfer shaft Optional heavy oil and high temperature Skimmers using intake buoys are also available to recover product in 4 10 cm diameter and larger wells The stainless steel pump is primarily an air driven reservoir with upper and lower check valves The pump is designed to provide a two phase pumping cycle During the first phase or pu
18. less steel outer housing with top and bottom check valves PRODUCT DISCHARGE AIR IN OUT H20 SENSOR Optional 17 4 44 2 cm PRODUCT INTAKE FROM SKIMMER Figure 1 4 Stainless Steel Pump Assembly Skimmer Attachments A standard Skimmer attachment when connected to the stainless steel pump assembly is designed for use in either 2 5 cm diameter wells or 4 10 cm diameter and larger wells Figure 1 5 shows an example of the two most common Geotech Skimmers These Skimmers come with a standard 100 mesh intake screen A 60 mesh intake screen is also available for use with higher viscosity fluids See Geotech Manual Viscosity Test Kit for more information on choosing the correct intake cartridge UPPER CENTRALIZER UPPER CENTRALIZER PRODUCT TRANSFER SHAFT PRODUCT SCREEN INTAKE TRANSFER SHAFT SCREEN INTAKE 2 SKIMMER INTAKE ASSEMBLY 4 SKIMMER INTAKE ASSEMBLY PRODUCT TRANSFER HOSE PRODUCT TRANSFER HOSE LOWER CENTRALIZER LOWER CENTRALIZER Figure 1 5 Standard 2 and 4 Skimmer Attachments Skimmer assembly is connected to the bottom of the stainless steel pump with a 6 piece of durable fuel grade hose The Skimmer consists of a product intake float a coiled product transfer hose and a transfer shaft Well centralizers are placed at the top and bottom of the Skimmer shaft to
19. mp intake phase vacuum is applied to the pump This vacuum closes the top discharge check valve while opening the bottom intake check valve causing product to be drawn through the Skimmer intake screen and into the pump reservoir During the second phase or pump discharge phase the same air line is pressurized with air This action closes the bottom intake check valve on the pump and opens the discharge check valve forcing the recovered product from the pump reservoir into the product discharge line up to the surface and eventually into a recovery tank See Figure 1 2 for an example of a typical stainless steel pump cycle PRODUCT DISCHARGE LINE DISCHARGE CHECK VALVE AIR LINE CONNECTION T OPTIONAL H20 SENSOR PUMP HOUSING CENTRAL DISCHARGE TUBE BOTTOM INLET CHECK DISC ATTACHMENT TO SKIMMER WELL CENTRALIZER PRODUCT INTAKE SKIMMER INTAKE TUBING N cor AIAN N WELL CENTRALIZER BOTTOM Figure 1 1 Example of a downwell pump assembly DISCHARGE VACUUM VACUUM PRESSURE INTAKE Figure 1 2 Typical Product Recovery Cycle in Stainless Steel pump The stainless steel pump can be equipped with an optional Water H2O Sensor which minimizes water intake by immediately purging the pump when water is present in the stainless steel housing See Section 3 System Operation for more details Specific Gravity and Viscosity Limitations of Skimmer The specific gravity
20. mp with H20 Sensor sss a aan 17 WARD qd unJg g aM 17 E 17 4 Heavy ASSCMIDIY ais eo ee 18 4 High Temperature Heavy Oil Skimmer Assembly sss nnns 18 Section 7 System Schemat OS eI he RAR RR 19 Section 8 Parts and Accessorles ereeeic untra eee eed 21 The Warranty e 33 DOCUMENTATION CONVENTIONS This document uses the following conventions to present information exclamation point icon indicates WARNING of a situation or condition that could lead to personal injury or death You should not proceed until you read and thoroughly understand the WARNING message WARNING A raised hand icon indicates CAUTION information that relates to a situation or condition that could lead to equipment malfunction or damage You should not proceed until you read and thoroughly understand the CAUTION message CAUTION note icon indicates NOTE information Notes provide additional or supplementary information about an activity or concept NOTE Section 1 System Description Function and Theory The Geotech Pump and Skimmer assembly Skimmer when used in conjunction with the Geotech Sipper Controller is designed to efficiently collect free floating hydrocarbons in 2 b cm or larger recovery wells The system consists of a Solar or AC S
21. ntake cartridge is forcibly submerged surfactants are present or when the conditioning of the intake screen has been removed See Section 4 for information on reconditioning the intake PRODUCT OUT UPPER CENTRALIZER PRODUCT TRANSFER SHAFT INTAKE FITTING BUOY BODY PRODUCT TRANSFER HOSE LOWER CENTRALIZER Figure 1 6 Heavy Oil Skimmer Attachment optional High Temperature Heavy Oil Aggressive Chemical Skimmer Attachment For high temperature well environments Geotech provides a high temperature heavy oil HTHO Skimmer that incorporates an ultra high molecular weight UHMW polyethylene intake buoy The HTHO Skimmer has stainless steel end caps placed at the top and bottom of a stainless steel screen to keep out debris The intake buoy of the HTHO Skimmer has a travel range of 26 66 cm Like the heavy oil Skimmer the intake buoy can be fine tuned by adjusting the intake fitting on the top of the buoy Turning the fitting clockwise will lower the intake fitting relative to the product water interface Turning the fitting counter clockwise will raise the intake fitting away from the interface Figure 1 7 is an example of the high temperature heavy oil Skimmer PRODUCT OUT UPPER END CAP MA PRODUCT TRANSFER HOSE ai X C INTAKE FITTING GE k A K da d 6026058 BUOY BODY 5 deii K A 9 d 2 SE 0542
22. perational requirements of your Sipper system The stainless steel pump can be equipped with an optional H2O sensor Figure 3 1 is an example of a typical stainless steel pump cycle when water is sensed and then purged WATER PURGED OPTIONAL H20 SENSOR PRESSURE VACUUM VACUUM A WATER SENSED INTAKE Figure 3 1 Active H2O Sensor Cycle in Stainless Steel Pump The amount of water purged pumped is minimal 10mL relative to the stainless steel pump s internal volume which is around 200mL 12 Section 4 System Maintenance Always ensure all hose and tubing fittings at the pump and between the pump and Skimmer are tight prior to deploying the unit into the well Monthly or per Site Visit at minimum Maintenance Pull the pump and Skimmer from the well Inspect all tubing for cracks kinks and damage Replace any old and brittle tubing Inspect the coiled tubing for physical damage or obstructions Verify the intake assembly moves freely over its travel range Inspect the float buoy and intake screen Clean the intake screen and float using the method described in this section Inspect the Skimmer assembly for signs of physical damage Scrapes or dents in the screen intake may cause the Skimmer to take on water If such damage is found a new 2 or 4 intake assembly may be necessary Clear away any debris collected in the well vault or above ground casement Measure the well an
23. pper controller The intake assembly will not slide freely or the coiled hose is tangled e Inspect the Skimmer assembly and repair as necessary Loose hose or tubing on fittings below intake level e Check all fitting connections Problem The pump discharges air only no product Solutions Product has been removed e Recalculate and reduce the pumping rate at the Sipper controller The Product layer is below the bottom of the Skimmer s travel range e Adjust the position of the Skimmer assembly within the well and then reset the Sipper controller The Skimmer assembly has detached from the pump due to a cut hose or loose hose clamp e Skimmer assembly cannot be fished from the well then a new Skimmer will be needed 15 Problem The pump cycles but does not discharge product Solutions One or both of the pump check valves are malfunctioning Remove and clean pump assembly from particulates or replace check valve components The viscosity of the product is too thick for the Skimmer e Contact Geotech to discuss other Skimmer options for the type of product in the well The intake screen is obstructed or the coiled hose is kinked e Verify that the intake is clean of debris and bio growth e Check the condition of the coiled hose Problem The pump does not operate Solutions The product recovery tank is full Empty the recovery tank inspect the Tankfull probe float and then restart the Sipper
24. protect the intake float and to allow unobstructed travel within the well Standard Skimmers can provide 12 30 cm to 24 61 cm of intake travel Geotech can provide up to 5 1 5 m of travel 4 Skimmers only on a custom order basis E Heavy Oil Skimmer Attachment The optional heavy oil Skimmer attachment is designed to recover a range of fluids from gasoline to gear oil skimming the product down to 01 feet 3 mm in 4 10 cm diameter and larger wells This option is best suited when the viscosity of the hydrocarbon is greater than the capability of the membrane screen technology screen can no longer pass the hydrocarbon fluid The heavy oil Skimmer consists of a polypropylene intake buoy a coiled product transfer hose and a transfer shaft with well centralizers placed at the top and bottom The intake buoy on the heavy oil Skimmer is designed to ride at the oil water interface and has a travel range of 24 61 cm This assembly is ideal for use where the oil water interface is broken down by detergents or is emulsified The intake buoy can also be fine tuned by adjusting the intake fitting on the top of the buoy Turning the fitting clockwise will lower the intake fitting relative to the product water interface Turning the fitting counter clockwise will raise the intake fitting away from the interface Figure 1 6 is an example of a heavy oil Skimmer assembly A Skimmer assembly will not draw water unless the i
25. sturdier discharge hose For system over 50 in well depth a safety cable is highly suggested Attach the air line and discharge hose to the pump and Skimmer assembly with hose clamps After attaching the needed lengths of tubing place the pump and Skimmer assembly into the well so that the midpoint of the intake float travel lies on the static water level measured Connect the air line from the pump to the Sipper controller Connect the product discharge hose from the pump to the product recovery tank Ensure that both lines are kept level and that there are no kinks or sags in the lines When possible enclose the lines within a secondary pipe or conduit to protect them from damage Install the Tankfull probe in the recovery tank and connect the probe connector to the Sipper controller H20 SENSOR CABLE OPTIONAL DISCHARGE AIR IN OUT WELL CAP STATIC WATER LEVEL READING MIDDLE OF SKIMMER INTAKE ASSEMBLY Figure 2 2 Pump and Skimmer Assembly with generalized Well Cap 11 Section 3 System Operation The stainless steel pump assembly with Skimmer is designed to operate with the Geotech Sipper Controller After all connections have been made set the vacuum pressure and delay times for the pump and allow the unit to run Make any needed adjustments to the timing before leaving the system Read the Geotech Sipper User Manual P N 16550176 in conjunction with this manual to establish the o
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