Title: High temp. and salt resistant drilling slurry for ultra-deep sell
Application Number: 85105917 Application Date: 1985.07.29
Publication Number: 1001453 Publication Date: 1986.07.09
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C09K7/02
Applicant(s) Name: Huadong (East China) Petroleum Institute Address:
Inventor(s) Name: Gao Jinping, Guo Dongrong
Attorney & Agent:
Abstract:
     This invention is characterized by a new type additive MHP for drilling slurry, i. e., a complex of suifo-methyl-phenolic resin and potassium heavy metal nitro-humate slirry with this additive (MHP) can resist salt content up to 10 per cent under high temp. of 200 deg.C. and the circulation loss can be dropped 75-90 per requirement of ultra-deep well slurry.
Time: 8
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