Title:
APPARATUS AND METHOD FOR DRILLING A WELL
Document Type and Number:
WIPO Patent Application WO/2012/158144
Kind Code:
A8
Abstract:
A method for forming a controllable bend angle in a drill string in a wellbore comprises attaching an upper housing to a drill string. At least, one drive motor is anchored in the upper housing. A. middle housing is operably coupled to the at least one drive motor. A lower housing is operably coupled to the at least one drive motor. The at least one drive motor is controHabiy operated to rotate the middle housing by a first rotation angle with respect to the upper.housing, and to rotate the lower housing by a second rotation angle with respect to the upper housing, to generate a desired bend angle between the middle housing and the lower housing at a target toolfaee orientation between the bend angle and the upper housing.
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Inventors:
WINSLOW DANIEL M (US)
DEOLALIKAR NEELESH (US)
DEOLALIKAR NEELESH (US)
Application Number:
PCT/US2011/036379
Publication Date:
October 10, 2013
Filing Date:
May 13, 2011
Export Citation:
Assignee:
HALLIBURTON ENERGY SERV INC (US)
WINSLOW DANIEL M (US)
DEOLALIKAR NEELESH (US)
WINSLOW DANIEL M (US)
DEOLALIKAR NEELESH (US)
International Classes:
E21B7/04
Attorney, Agent or Firm:
SCHMIDT, William, E. et al. (PC9014 Sterlingame Driv, Houston TX, US)
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