Gels, monomer solutions fix pinhole casing leaks
Journal Article
·
· Oil and Gas Journal
OSTI ID:533016
- Halliburton Energy Services Inc., Odessa, TX (United States)
- Halliburton Energy Services Inc., Duncan, OK (United States)
Sodium silicate gel and in situ polymerizing monomer (IPM) solutions have had nearly 100% success in repairing pinhole casing leaks. These methods are an alternative to small-particle cement squeeze jobs and can be used in both producing and injection wells. The particles in small-particle or fine-grind cement average 5 microns in diameter compared to the 50 micron particles in Portland cement. Repairs not only help satisfy regulatory requirements but also reduce possible related casing repair costs such as during drillouts, repeated cement squeezes, and workovers. If casing leaks in injection wells are unsuccessfully squeezed and fail regulatory testing, the operator may be fined and the wells may have to be plugged and abandoned. The paper describes the repair of both injection and production well casings.
- OSTI ID:
- 533016
- Journal Information:
- Oil and Gas Journal, Journal Name: Oil and Gas Journal Journal Issue: 41 Vol. 95; ISSN 0030-1388; ISSN OIGJAV
- Country of Publication:
- United States
- Language:
- English
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