Method of reducing drag and rotating torque in the rotary drilli

Details Method of reducing drag and rotating torque in the rotary drilli Method of reducing drag and rotating torque in the rotary drilli

1977-04-29

1978-10-31

Lovering, Richard D.

Compositions

Leather or fur treating

175 65, 252 85M, C09K 704, C09K 706

Patent

active

041233670

ABSTRACT:
A method of reducing drag and rotating torque in the rotary drilling of oil and gas wells comprising the incorporation of quantities of minute spherical glass beads in a liquid drilling fluid.

REFERENCES:
patent: 2334578 (1943-11-01), Potters
patent: 3047494 (1962-07-01), Browning
patent: 3174561 (1965-03-01), Sterrett
patent: 3186812 (1965-06-01), Pfaender
patent: 3216933 (1965-11-01), Park et al.
patent: 3242032 (1966-03-01), Schott
patent: 3485753 (1969-12-01), Allais
patent: 3575858 (1971-04-01), Adair et al.

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