MUD COMPOSITION FOR PRODUCTIVE OIL COLLECTOR OPENING Russian patent published in 1996 - IPC

Abstract SU 976682 A1

FIELD: hole drilling. SUBSTANCE: mud composition containing bentonite, stabilizing reagent, mud grouting phase and soda has additionally a mixture of polyvinyl chloride and carbonate at the following ratio of components, weight %: bentonite 2.7-6.3; stabilizing reagent 2.6-5.4; polyvinyl chloride 3.0-30.1; calcium carbonate 2.4-4.0, and water - the rest. Proposed mud composition provides mud grouting collector at hole drilling at the range up to 100 C followed by thermic effect on collector to eliminate mud grouting. EFFECT: increased effectiveness of composition.

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SU 976 682 A1

Authors

Sviridov L.A.

Dates

1996-08-10—Published

1980-04-30—Filed