Method of drilling a subterranean borehole

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United States of America Patent

PATENT NO 8360170
APP PUB NO 20110067923A1
SERIAL NO

12882344

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Abstract

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A method of drilling a subterranean well bore using a tubular drill string is described. One embodiment of the method includes the steps of injecting a drilling fluid into the well bore via the drill string and removing the drilling fluid from an annular space in the well bore around the drill string via a return line. The method can also include oscillating the pressure of the fluid in the annular space in the well bore, and monitoring the rate of flow of fluid along the return line.

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Patent Owner(s)

  • MANAGED PRESSURE OPERATIONS PTE. LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Leuchtenberg, Christian Brussels, BE 78 2668

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