Coiled Tubing Emergency Procedure Page 1/19 List of Contents
S# Hazard Scenario Ref # Emergency Procedure Page 1 Hazard Scenario #2 Coiled Tubing parts above the Injector / Gooseneck 3 2 Hazard Scenario #3 Coiled Tubing parts below PCE 4 3 Hazard Scenario #4 Coiled Tubing Leaks (Pinhole) 5 4 Hazard Scenario #5 PCE Leak – Either Above or Below Blind Rams 6 5 Hazard Scenario #6 Failure of Coiled Tubing Power Pack 8 6 Hazard Scenario #7 Pipe damage caused by Injector Head or Gooseneck 9 7 Hazard Scenario #8 Failure of CT Reel Drive 10 8 Hazard Scenario #9 Stuck pipe 11 9 Hazard Scenario #10 Coiled Tubing Run Away 14 10 Hazard Scenario #11 Leaking BHA Check Valves 16 11 Hazard Scenario #12 Leak in Stripper Pack Off 17 12 Hazard Scenario #13 Coiled Tubing Collapse 19
Coiled Tubing Emergency Procedure Page 2/19 Ref # 2. Coiled Tubing parts above the Injector / Gooseneck.
a. Halt movement of CT within injector. Set brakes on the injector and the service reel. b. Stop pumping operations through CT work string and monitor CT pressure c. Secure well as required for the operations d. Continue to monitor wellhead pressure e. Assess situation to determine course of action
• If there is no flow through CT ID, • If there is slight flow and the assessment concludes that the CT workstring can be safely moved, • If there is sustained flow and the assessment concludes that CT workstring movement is not mended,
f. Open accumulator circuit pressure isolation valve on the console. Close the slip rams and the pipe rams. g. Confirm closure of the slip rams and pipe rams (report position of indicator pins) and man