Expanded liner system and method

Details Expanded liner system and method Expanded liner system and method

2007-05-08

2007-05-08

Gay, Jennifer H. (Department: 3672)

Wells

Expansible anchor or casing

Expansible casing

C166S382000, C166S384000, C175S061000, C175S073000, C175S076000

Reexamination Certificate

active

10421135

ABSTRACT:
A borehole may be drilled utilizing the bottom hole assembly10, 50with a downhole motor14, which may offset at a selected bend angle. A gauge section34is secured to the bit16has a uniform diameter bearing surface along an axial length of at least 60% of the bit diameter. The axial spacing between the bend and the bit face is controlled to less than fifteen times the bit diameter. After drilling a section of the well with the BHA according to the present invention, a tubular may be inserted in the well by passing the tubular through an upper tubular, then the inserted tubular expanded while downhole to a diameter substantially equal to the expanded tubular.

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Andrei Fillippov, Robert Mack, Shell; Lance Cook, Patrick York, Lev ring, Enventure Global Technology; Terry McCoy, Halliburton Energy Serivices, SPE 56500, Expander Tubular Solutions, Oct. 3-6, 1999.
Chan L. Daigle,SPE, Enventure Global Technology; Donald B. Campo, SPE, Shell Exploration & Production; Carey J. Naquin, SPE, Enventure, Halliburton Energy Services; Rudy Cardenas, Occidental Permian,Ltd.; Lev M. Ring, Patrick L. York, SPE, Enventure Global Technology, SPE 62958, Expandable Tubulars: Field Examples of Application in Well Construction and Remediation, Oct. 1-4, 2000.
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Norlizah Mohd Nor, Edmund Huang, Chin hon -Voon, Shell Malaysia E & P, SPE 77940, Transforming Conventional Wells in Mature Basins to Modern Bigbore Producers by Applying Solid Expandable Tubulars (SET), Oct. 8-10, 2002.

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