AUTOMATED DEVICE, AND METHODS FOR CONTROLLED DIRECTIONAL DRILLING Russian patent published in 2013 - IPC E21B44/00 

Abstract RU 2471980 C2

FIELD: oil and gas industry.

SUBSTANCE: method involves the following stages: obtaining the entry including the specified drilling trajectory to target location; determination of predicted location of equipment of drilling string bottom of drilling system at continuous drilling; comparison of predicted location of equipment of drilling string bottom with the specified drilling trajectory for determination of deviation value; creation of the changed drilling trajectory to target location, which is chosen based on deviation value from the specified drilling trajectory; automatic and electronic creation of one or several control signals of drilling device on the well surface to direct the equipment of drilling string bottom of drilling system to target location as per the changed drilling trajectory.

EFFECT: improved control of equipment of drilling string bottom, which leads to improved response of equipment of drilling string bottom and quicker operation of equipment of drilling string bottom.

21 cl, 11 dwg

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Authors

Bun Skott

Ehllis Brajan

Gillan Kolin

Kattel Bit

Dates

2013-01-10Published

2008-09-19Filed