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James C Waithman, 5022210 Bay Spring Dr, Katy, TX 77450

James Waithman Phones & Addresses

22210 Bay Spring Dr, Katy, TX 77450    281-3955752   

Somerville, TX   

16942 Becketts Oak Ct, Houston, TX 77083   

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James C Waithman

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Work

Company: Cnooc 2019 to 2020 Position: Vice president engineering and construction

Education

School / High School: The Polesworth School

Industries

Oil & Energy

Mentions for James C Waithman

James Waithman resumes & CV records

Resumes

James Waithman Photo 11

General Manager Production And Development

Location:
Katy, TX
Industry:
Oil & Energy
Work:
Cnooc 2019 - 2020
Vice President Engineering and Construction
Nexen Petroleum U.s.a. Inc. 2019 - 2020
General Manager Production and Development
Kbr / Granherne 2001 - 2005
Subsea Engineer
Nexen 2001 - 2005
Project Facilities Development Manager
Education:
The Polesworth School
Nottingham University Business School
Bachelors

Publications & IP owners

Us Patents

Electric Downhole Safety Valve

US Patent:
2004017, Sep 9, 2004
Filed:
Dec 30, 2003
Appl. No.:
10/748515
Inventors:
James Waithman - Houston TX, US
William Loth - Lower Kingswood, GB
International Classification:
E21B033/12
US Classification:
166/386000, 166/066700
Abstract:
An electrically actuated fail-safe valve for controlling fluid flow in deepwater drilling operations comprises a body having a bore therethrough, a closure element mounted in the bore and actuable between a closed position and an open position, a flow tube slidably mounted in the bore, the tube being actuable between a first position in which it does not interfere with the normal bias of the closure and a second position in which it opposes the normal bias of the closure, and a drive mechanism causing the tube to advance from its first to its second position. The drive mechanism comprises a gear drive, a rotating sleeve including a helical groove, and a follower pin on the flow tube and received in the helical groove. Power supplied to the drive causes the sleeve to rotate, bearing on the follower pin and advancing the flow tube to its second position.

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