Drilling subsurface wellbores with cutting structures

Mansure, Arthur James; Guimerans, Rosalvina Ramona

Title: Drilling subsurface wellbores with cutting structures

Patent · Tue Nov 30 00:00:00 EST 2010

OSTI ID:1014723

Mansure, Arthur James ^[1]; Guimerans, Rosalvina Ramona ^[2]

Alburquerque, NM
The Woodlands, TX

A system for forming a wellbore includes a drill tubular. A drill bit is coupled to the drill tubular. One or more cutting structures are coupled to the drill tubular above the drill bit. The cutting structures remove at least a portion of formation that extends into the wellbore formed by the drill bit.

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Research Organization:: Shell Oil Company (Houston, TX)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC04-94AL85000

Assignee:: Shell Oil Company (Houston, TX)

Patent Number(s):: 7,841,425

Application Number:: US Patent Application 12/106,115

OSTI ID:: 1014723

Country of Publication:: United States

Language:: English

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