Well drilling method

Details Well drilling method Well drilling method

E - Fixed Constructions

21

B

255/25

E21B 21/08 (2006.01) E21B 21/00 (2006.01) E21B 21/10 (2006.01) E21B 21/12 (2006.01) E21B 34/14 (2006.01) E21B 43/12 (2006.01)

Patent

CA 1164854

Abstract of the Disclosure A method of and apparatus for 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.

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