Well drilling method

Details Well drilling method Well drilling method

1980-04-28

1982-01-12

Novosad, Stephen J.

Boring or penetrating the earth

With signaling, indicating, testing or measuring

Measuring or indicating drilling fluid rate of flow

175 65, 175207, 175317, E21B 2108, E21B 2110

Patent

active

043100589

ABSTRACT:
A method of removing fluids entering into a well bore from a well formation while the well is being drilled, such as gas, in which the gas bubble is chopped into small bubbles by mixing the gas with drilling mud and pumping the mixed gas and drilling mud upwardly through the drill string-bore hole annulus and removing it from the well.

REFERENCES:
patent: 3809170 (1974-05-01), Ilfrey et al.
patent: 3908769 (1975-09-01), Schuyf et al.
patent: 4076083 (1978-02-01), Sizer
Bell, "High-Pressure Drilling and Blowout Prevention", The Oil and Gas Journal, Oct. 14, 1957, pp. 139, 141-151.

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