Fluid loss reducer for high temperature and high pressure...

Details Fluid loss reducer for high temperature and high pressure... Fluid loss reducer for high temperature and high pressure...

2006-09-05

2006-09-05

Gulakowski, Randy (Department: 1712)

Earth boring, well treating, and oil field chemistry

Earth boring

Contains organic component

C507S118000, C507S119000, C507S124000, C507S129000, C507S221000, C507S225000, C507S239000, C507S904000, C166S282000, C166S283000, C516S027000, C516S028000, C175S072000

Reexamination Certificate

active

07101829

ABSTRACT:
The present invention concerns a water-based drilling mud for utilization in the drilling of oil wells comprising an aqueous phase wherein the aqueous phase contains an oil soluble polymer in the form of a gel as fluid loss reducer. The subject invention further reveals a process for preparing an oil soluble polymer fluid loss control agent comprising the steps of dissolving at least one polymer in a hydrocarbon oil to form a clear solution or a gel, adding an emulsifier to the solution or the gel, and keeping the mixture under conditions of agitation until a clear creamy mixture is obtained.

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