Tubular handling device and methods

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8074711
APP PUB NO 20090321064A1
SERIAL NO

12147223

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A tubular member handling apparatus including a tubular member running tool, an elevator, first actuators each extending between the running tool and the elevator, and second actuators each extending between the running tool and a corresponding first actuator. The running tool includes a slotted member having a plurality of elongated slots, a recessed member slidably coupled to the slotted member and having a plurality of recesses, and a plurality of rolling members each retained between one of the recesses and one of the slots. Each rolling member partially extends through an adjacent slot when located in a shallow end of a corresponding recess, and retracts to within an outer perimeter of the slotted member when located in a deep end of the corresponding recess.

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First Claim

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Patent Owner(s)

  • NABORS DRILLING TECHNOLOGIES USA, INC.;FIRST SUBSEA LIMITED (50%)

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ellis, Brian Spring, US 69 1916
Weems, Craig Houston, US 4 85

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