SYSTEM AND METOD FOR CONDUCTING DRILLING AND CORING OPERATIONS

Title:

SYSTEM AND METOD FOR CONDUCTING DRILLING AND CORING OPERATIONS

Document Type and Number:

WIPO Patent Application WO/2011/097380

Kind Code:

A8

Abstract:

A system and method are disclosed for drilling a well and obtaining a downhole core sample. A drilling rig includes a pivotal mast. The mast supports an injector thereon with an injector axis offset with respect to the central axis of the mast when the drilling rig is handling threaded tubular. The mast also supports a drive unit. A drilling assembly includes coil tubing, the injector, and a bottomhole assembly including a percussion tool suspended in the well from the coil tubing. A coring assembly includes a threaded tubular string and the drive unit supported on the mast for rotating the threaded string and the coring bottomhole assembly while the injector is spaced from the axis of the mast.

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Inventors:

ROUSSEAU DENIS (US)
MYERS JEREMY (CA)
HAVINGA RICHARD (CA)

Application Number:

PCT/US2011/023605

Publication Date:

October 18, 2012

Filing Date:

February 03, 2011

Export Citation:

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Assignee:

1461160 ALBERTA LTD (CA)
ROUSSEAU DENIS (US)
MYERS JEREMY (CA)
HAVINGA RICHARD (CA)

International Classes:

E21B19/22

Attorney, Agent or Firm:

HELMREICH, Loren, G. (Suite 975Houston, TX, US)

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