Process implementation improves cement plug success
Journal Article
·
· Petroleum Engineer International
OSTI ID:390319
Cement plugs are set in wells for reasons including abandonment, sidetracking, lost circulation control and remedial or workover operations. Conditions requiring cement plugs often result in the plugging operation being performed with less-than-optimum problem identification, job design, planning and incomplete analysis of the causes of both failures and successes. Kickoff plugs are often set following a problem that occurs while drilling or logging, such as stuck drillpipe, a drillstring failure, failure to cut expected formations or in the worst case, a lost logging tool. After studying the problems, operational aspects, successes and failures of setting kickoff plugs, a team of operators and a cementing service company have developed a plug setting process that has improved the success rate for cement kickoff plugs to near 100%. This process includes analysis of well bore conditions, cementing system design and job planning with the goal of a successful plug on the first attempt. The process is discussed.
- OSTI ID:
- 390319
- Journal Information:
- Petroleum Engineer International, Journal Name: Petroleum Engineer International Journal Issue: 7SUP Vol. 69; ISSN 0164-8322; ISSN PEEID4
- Country of Publication:
- United States
- Language:
- English
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