RODNEY STEPHENS
Architects in Houston, TX

License number
Alaska AELP9848
Issued Date
Nov 13, 1998
Effective Date
Dec 7, 2015
Expiration Date
Dec 31, 2017
Category
Architects, Engineers and Land Surveyors
Address
Address
PO Box 4381, Houston, TX 77210

Professional information

Rodney Stephens Photo 1

Fill Up Tool

US Patent:
2012004, Mar 1, 2012
Filed:
Aug 9, 2011
Appl. No.:
13/206313
Inventors:
Jimmy Duane Wiens - Willis TX, US
Yury P. Gutsu - Houston TX, US
Benson Thomas - Missouri City TX, US
Karsten Heidecke - Houston TX, US
Jim Hollingsworth - Cypress TX, US
Rodney Stephens - Houston TX, US
Russell W. Thompson - Hallsville TX, US
Patrick James Zimmerman - Houston TX, US
International Classification:
E21B 33/12, E21B 19/22, E21B 23/10
US Classification:
166387, 166154, 166 771
Abstract:
A fill up tool includes a mandrel; a primary sealing member disposed around the mandrel; and a selectively operable secondary sealing member activated by rotation of the mandrel. In another embodiment, the selectively operable secondary sealing member is activated using hydraulic pressure.