Methods and compositions for sealing oil containing...

Details Methods and compositions for sealing oil containing... Methods and compositions for sealing oil containing...

2006-04-11

2006-04-11

Peng, Kuo-Liang (Department: 1712)

Earth boring, well treating, and oil field chemistry

Well treating

Contains organic component

C507S221000, C507S231000, C507S271000, C166S292000, C166S293000, C166S295000

Reexamination Certificate

active

07026272

ABSTRACT:
The present invention provides methods and compositions for sealing subterranean zones containing oil to prevent the uncontrolled flow of fluids into or from the zones. The compositions basically comprise water, a phosphonic acid ester, a multivalent metal ion releasing compound and an organophilic clay.

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Abstract No. XP-002282986 published Jun. 15, 1990.
Foreign communication from a related counterpart application dated Jun. 17, 2004. PCT/GB2004/000783.

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