Drilling fluid lubricant

Details Drilling fluid lubricant Drilling fluid lubricant

1977-02-22

1977-12-20

Leppink, James A.

Boring or penetrating the earth

Processes

Boring with specific fluid

252 85R;8.5B;8.5C, E21B 700

Patent

active

040636038

ABSTRACT:
A method wherein spherical plastic beads are added to a drilling mud to reduce torque and drag on the drill string and to otherwise enable smooth drilling operations downhole by acting as a lubricant between the drill string, drill bit, and the well bore by reducing friction therebetween.

REFERENCES:
patent: 2943679 (1960-07-01), Scott, Jr. et al.
patent: 3155162 (1964-11-01), Flickinger
patent: 3216933 (1965-11-01), Park et al.
patent: 3485753 (1969-12-01), Allais
patent: 3575858 (1971-04-01), Adair
patent: 3700050 (1972-10-01), Miles
patent: 3811509 (1974-05-01), Priebe

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