Compacted lost circulation material

Details Compacted lost circulation material Compacted lost circulation material

1981-06-29

1984-01-31

Guynn, Herbert B.

Compositions

Leather or fur treating

44 1D, 44 10R, 162100, 162218, 162227, 175 72, C09K 702

Patent

active

044288441

ABSTRACT:
Disclosed is a compacted paper lost circulation material for use in arresting or preventing a lost circulation condition in well bore drilling operations and a method of forming same. The lost circulation material generally comprises comminuted paper, water and a non-foaming, water soluble surfactant which has been compressed to form a pellet. When added to a circulating drilling fluid, the pellet disperses to form particulate wetted paper which plugs fractured or vugular porosity in an earth stratum which othewise creates a lost circulation condition in the drilling fluid.

REFERENCES:
patent: 2064936 (1936-12-01), McQuiston
patent: 2119829 (1938-01-01), Parsons
patent: 2300325 (1942-10-01), Van Leeuwen
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patent: 3788405 (1974-01-01), Taylor
patent: 3928211 (1975-02-01), Browning et al.
patent: 3953336 (1976-04-01), Daigle
patent: 4217965 (1980-08-01), Cremeans

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