Injection of polymer chemicals into drilling mud

Details Injection of polymer chemicals into drilling mud Injection of polymer chemicals into drilling mud

1989-01-09

1989-09-19

Suchfield, George A.

Boring or penetrating the earth

Processes

Boring with specific fluid

175 65, 175206, 175212, 175216, 175217, E21B 700

Patent

active

048672564

ABSTRACT:
The mud of a drilling well is treated by injecting a liquid polymer chemical into the suction of a main circulating mud pump rather than by pouring the liquid chemical into the open collar of a drill pipe joint while making a connection. This causes the mud to exhibit lower gel strengths and obtain a bore hole more nearly to gauge.

REFERENCES:
patent: 2338174 (1944-01-01), Garrison
patent: 2886287 (1959-05-01), Croley
patent: 2923151 (1960-02-01), Engle et al.
patent: 3472325 (1969-10-01), Lummus
patent: 3500943 (1970-03-01), Bingman, Jr.
patent: 3502543 (1970-03-01), Sewell
patent: 4599117 (1986-07-01), Luxemburg

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