Summary of Contents for Halma COSASCO RBS
- Page 1 ® COSASCO RBS/RBSA RETRIEVAL TOOL MAINTENANCE WORK INSTRUCTION P/N - 741031 Revision - P services@cosasco.com www.cosasco.com Los Angeles Houston Aberdeen Perth Beijing Dubai Malaysia Singapore...
- Page 2 Date: 3 January 2024 Review Date: December 2024 Revision History Record Page Date Description of Change Issue Reviewed Approved 10/02/12 Initial Release 04/11/13 Added Disclaimer Notes Updated Scope of Document, added Revision 08/01/13 History 01/30/14 Annual Review 01/25/15 Annual Review 03/25/15 Added note on footer about latest revision Annual Review/Update Cover and Name to...
- Page 3 Date: 3 January 2024 Review Date: December 2024 ® COSASCO is a registered trademark of Rohrback Cosasco Systems, Inc. No part of this work instruction may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, for any purpose, without the express written permission of Rohrback Cosasco Systems, Inc.
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Page 4: Table Of Contents
Date: 3 January 2024 Review Date: December 2024 CONTENTS Page Important Instructions ........................ 4 Disclaimer ..........................5 Safety Warnings ......................... 6 Scope Of Document ........................7 RBS/RBSA Retrieval Tool Maintenance ..................7 Sour Gas Service ..........................8 Cleaning And Lubricating Without Disassembly ................8 Retrieval Tool Disassembly ......................10 Retrieval Tool Assembly ......................25 Servicing &... -
Page 5: Important Instructions
Cosasco RBS/RBSA retrieval tool. This work instruction is not meant to be a sole source of instruction or training. Because these tools are used in a broad range of environments and applications, it is... -
Page 6: Disclaimer
Date: 3 January 2024 Review Date: December 2024 5. If you do not understand an instruction, or do not feel comfortable following the instructions, contact a Cosasco service technician for clarification or assistance. 6. If this work instruction is not correct for your Cosasco product, contact your regional Cosasco office and Cosasco will provide you with the requested work instruction. -
Page 7: Safety Warnings
Date: 3 January 2024 Review Date: December 2024 SAFETY WARNINGS WARNING It is imperative that the following safety warnings are taken into important consideration before and during use of Retrieval Equipment. Failure to follow these warnings could result in serious injury or death. Safe operation requires two experienced and competent operators. -
Page 8: Scope Of Document
Review Date: December 2024 4 SCOPE OF DOCUMENT This document details the procedure for the maintenance of Cosasco RBS/RBSA Retrieval Tool. This document is not to be used as a training manual in the use of the fore mentioned equipment and is... -
Page 9: Sour Gas Service
Date: 3 January 2024 Review Date: December 2024 The maintenance interval required by either the RBSA or RBS retrieval tool will vary depending upon the service to which it is subjected. Certain fluids will wash out all lubricant from the retrieval tool after one retrieval;... - Page 10 Date: 3 January 2024 Review Date: December 2024 Repeat steps 1 through 5. Extend the retrieval tool again as indicated in paragraph 1. The retrieval tool head end should again be placed down on a clean surface. Pour SAE 30 weight motor oil into the retrieval tool inner barrel (about four ounces - 100 grams). Apply grease to the external surface of the retrieval tool inner barrel.
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Page 11: Retrieval Tool Disassembly
Date: 3 January 2024 Review Date: December 2024 Retrieval tool Disassembly Retrieval tool Diagram sales@cosasco.com www.cosasco.com Los Angeles Houston Aberdeen Perth Beijing Dubai Malaysia Singapore... - Page 12 Date: 3 January 2024 Review Date: December 2024 Parts List sales@cosasco.com www.cosasco.com Los Angeles Houston Aberdeen Perth Beijing Dubai Malaysia Singapore...
- Page 13 Date: 3 January 2024 Review Date: December 2024 Loosen and remove the Mandrel Rod Stop Nut (15). Remove the Flat Washer (14). Loosen and remove the four 3/8” Allen Screws using a 5/16” Allen Key. Ensure the Retrieval tool head (10) is held in place. sales@cosasco.com www.cosasco.com Los Angeles...
- Page 14 Date: 3 January 2024 Review Date: December 2024 Remove the Retrieval tool head (10) and the Mandrel Rod Stop Washer (11). Withdraw the Mandrel Rod (12) from the Inner Barrel end (22). sales@cosasco.com www.cosasco.com Los Angeles Houston Aberdeen Perth Beijing Dubai Malaysia Singapore...
- Page 15 Date: 3 January 2024 Review Date: December 2024 If required, the Socket Assembly may be removed by unscrewing the two 5/16” Allen screws with a 1/4” Allen Key, and then sliding the Socket Adaptor off the Mandrel Rod. Remove the Socket Adaptor Pilot, spring, and flat washer. Drive out the split pin with a 1/4" punch. Reverse steps 6 &...
- Page 16 Date: 3 January 2024 Review Date: December 2024 Remove the bleed valve assembly for individual servicing. Remove individual components and seals. Flush out with WD40 or other suitable lubricant. Withdraw Inner Barrel from Outer Barrel completely and use wood clamp assembly to secure retriver on the viser.
- Page 17 Date: 3 January 2024 Review Date: December 2024 9. Loosen and remove the two 1/4" Allen Screws (26) which retain the Thread Adaptor (8) by using a 1/8” Allen Key. 10. Using a C Spanner in the holes provided, unscrew the Thread Adaptor (8) from the Inner Barrel. sales@cosasco.com www.cosasco.com Los Angeles...
- Page 18 Date: 3 January 2024 Review Date: December 2024 11. Remove the Hammer Nut (7). 12. Cover the Hammer Nut threads with PTFE tape and carefully slide the Inner Barrel out through the Retrieval tool Head end. sales@cosasco.com www.cosasco.com Los Angeles Houston Aberdeen Perth...
- Page 19 Date: 3 January 2024 Review Date: December 2024 13. Loosen and remove the four 3/8” Allen screws to remove the Seal Stop Collar. 14. Gently remove the Seal Retainer and then the Seal Assembly. Care is required to prevent damaging the inner seal upon removal.
- Page 20 Date: 3 January 2024 Review Date: December 2024 15. Loosen and remove the four Allen Screws from the Socket Head Cap (24) with a 1/4" Allen Key. sales@cosasco.com www.cosasco.com Los Angeles Houston Aberdeen Perth Beijing Dubai Malaysia Singapore...
- Page 21 Date: 3 January 2024 Review Date: December 2024 16. Remove the Socket Head Cap. If difficult to remove use a pick tool or small slotted screwdriver to gently lever it off. 17. Carefully remove the Seal Retainer and Seal Assembly by gently prying them out of the Cap End. If is difficult to remove, use a pick tool to gently lever them out.
- Page 22 Date: 3 January 2024 Review Date: December 2024 18. Carefully remove the Outer Seal assembly from the cap end. If is difficult to remove, use a pick tool to gently lever it off. sales@cosasco.com www.cosasco.com Los Angeles Houston Aberdeen Perth Beijing Dubai Malaysia...
- Page 23 Date: 3 January 2024 Review Date: December 2024 19. Clean and lubricated the Inner and Outer Barrels, inspecting for damage. If chrome surfaces are damaged in a way that affects the Retrieval tools ability to maintain a seal, these parts may need to be replaced.
- Page 24 Date: 3 January 2024 Review Date: December 2024 22. To remove seals from their carriers, use a pick tool or small slotted screwdriver. sales@cosasco.com www.cosasco.com Los Angeles Houston Aberdeen Perth Beijing Dubai Malaysia Singapore...
- Page 25 Date: 3 January 2024 Review Date: December 2024 23. To reinstall new seals into carriers apply a liberal amount of grease and be careful not to pinch the seals. 24. Apply liberal amount of grease to all seal retainers and along the outer surface of the Inner Barrel. 25.
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Page 26: Retrieval Tool Assembly
Date: 3 January 2024 Review Date: December 2024 Retrieval tool Assembly Gently reinsert Seal Carrier and then Seal Retainer into cap end of Inner Barrel. Ensure seal face is facing into the barrel. sales@cosasco.com www.cosasco.com Los Angeles Houston Aberdeen Perth Beijing Dubai Malaysia... - Page 27 Date: 3 January 2024 Review Date: December 2024 Gently reinstall Seal Carrier onto cap end by applying even pressure to either side. Ensure seal face is facing into the barrel. Reinstall Socket Head Cap (24) again applying even pressure to either side. sales@cosasco.com www.cosasco.com Los Angeles...
- Page 28 Date: 3 January 2024 Review Date: December 2024 Reinstall the four Allen screws into the Socket Head Cap (24) with a 1/4" Allen Key. Slide the Inner Barrel back into the Outer Barrel from the Retrieval tool Head end. sales@cosasco.com www.cosasco.com Los Angeles Houston...
- Page 29 Date: 3 January 2024 Review Date: December 2024 Apply grease to Outer Barrel Seal. Gently slide seal over end of Inner Barrel (22) (spring/open end facing toward threads). sales@cosasco.com www.cosasco.com Los Angeles Houston Aberdeen Perth Beijing Dubai Malaysia Singapore...
- Page 30 Date: 3 January 2024 Review Date: December 2024 Gently slide seal over Inner Barrel threads. Slide Seal Carrier over Inner Barrel threads. sales@cosasco.com www.cosasco.com Los Angeles Houston Aberdeen Perth Beijing Dubai Malaysia Singapore...
- Page 31 Date: 3 January 2024 Review Date: December 2024 10. Gently press Seal into Seal Carrier 11. Now gently slide carrier w/seals along the Inner Barrel and into Outer Barrel. sales@cosasco.com www.cosasco.com Los Angeles Houston Aberdeen Perth Beijing Dubai Malaysia Singapore...
- Page 32 Date: 3 January 2024 Review Date: December 2024 12. Install the Seal Retainer 13. Install the Seal Stop Collar (9). Re-insert the four 3/8" Allen Screws and tighten. sales@cosasco.com www.cosasco.com Los Angeles Houston Aberdeen Perth Beijing Dubai Malaysia Singapore...
- Page 33 Date: 3 January 2024 Review Date: December 2024 14. Remove the thread tape from the Inner Barrel threads and clean them with a suitable lubricant. 15. Remove the thread tape from the Inner Barrel threads and clean them with a suitable lubricant. 16.
- Page 34 Date: 3 January 2024 Review Date: December 2024 18. Withdraw Inner Barrel from Outer Barrel completely and use the wood clamp assembly to secure the retrieval tool to the vise. 19. Using a C Spanner in the holes provided, screw the Thread Adaptor (8) onto the Inner Barrel threads tight.
- Page 35 Date: 3 January 2024 Review Date: December 2024 20. Reinstall and screw tight the bleed valve assembly. 21. Reinstall the two 1/4" Allen screws (26) which retain the Thread Adaptor (8) by using a 1/8” Allen Key. sales@cosasco.com www.cosasco.com Los Angeles Houston Aberdeen Perth...
- Page 36 Date: 3 January 2024 Review Date: December 2024 22. Reinsert the Mandrel Rod gently through the Inner Barrel end. 23. Slide on the Retrieval tool Head (10) and the Mandrel Stop Washer (11) onto the Hex end of the Mandrel Rod. sales@cosasco.com www.cosasco.com Los Angeles...
- Page 37 Date: 3 January 2024 Review Date: December 2024 24. Align the holes on the Retrieval tool Head and Outer Barrel end and tighten the four 3/8” Allen screws using a 5/16” Allen Key. 25. Reinstall the Mandrel stop nut (15) and flat washer (14) onto the Mandrel Rod end and tighten with a shifting spanner.
- Page 38 Date: 3 January 2024 Review Date: December 2024 26. Recheck and tighten all Allen screws on the Retrieval tool. 27. Sit the Retrieval tool on its end and stroke the Inner Barrel to ensure smooth operation. If not smooth flush tool with a suitable lubricant or apply more grease to the inner barrel. 28.
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Page 39: Servicing & Pressure Testing Of Retrieval Equipment
Date: 3 January 2024 Review Date: December 2024 SERVICING & PRESSURE TESTING OF RETRIEVAL EQUIPMENT Retrieval tool and service valve must be pressure tested IMPORTANT! prior to use to ensure safe operation of tools! All retrieval tools and service valves must be pressure tested prior to use. The Field Technician using the equipment must possess current pressure test certificates for the retrieval equipment prior to commencing on-line retrievals operations. - Page 40 Date: 3 January 2024 Review Date: December 2024 NOTE: A pressure test can only be considered valid if the test meets the following minimum criteria: • Prior to Mobilisation: o On completion of a service campaign the retrieval tool and service valve must be disassembled, inspected, and fully serviced in accordance with the latest revision of the relevant Cosasco ‘Maintenance Work Instruction’.
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Page 41: Pressure Testing Procedure
Date: 3 January 2024 Review Date: December 2024 If at any point either Retrieval Technician deems it necessary, for any reason, then the equipment must be stripped, cleaned, and serviced in accordance with the IMPORTANT! relevant Cosasco ‘Maintenance Work Instruction’. A successful pressure test will then be required prior to further use! Pressure Testing Procedure Fit the service valve to the access fitting on the pressure test rig by placing the hammer nut end of... - Page 42 Date: 3 January 2024 Review Date: December 2024 12. After completing all six tests in step 11, release pressure in the hydraulic pump by turning the pressure hold screw on the left hand side of the pump towards "Pressure Release". Note: this process must be repeated for the top ball valve when testing a double isolation model.
- Page 43 Date: 3 January 2024 Review Date: December 2024 NOTES sales@cosasco.com www.cosasco.com Los Angeles Houston Aberdeen Perth Beijing Dubai Malaysia Singapore...
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