George E Guthrie

US Patent:

6557629, May 6, 2003

Filed:

Sep 28, 2001

Appl. No.:

09/967354

Inventors:

Henry Wong - Houston TX
Roy W. Benefield - Fredricksburg TX
George E. Guthrie - New Caney TX
Christopher P. Egan - Houston TX

Assignee:

FMC Technologies, Inc. - Chicago IL

International Classification:

E21B 4300

US Classification:

166 761, 166 7751, 166 851, 166 881

Abstract:

A wellhead isolation tool for use with a wellhead assembly from which a tubing string is suspended comprises a tubular mandrel which includes an axial passage that extends therethrough and lower end that is adapted to engage the tubing string, a pumping head which is connected over the wellhead assembly and which includes an internal chamber that is in fluid communication with the axial passage and a port that extends through the pumping head to the chamber, and an actuator which is connected over the pumping head for moving the mandrel axially through the pumping head and into engagement with the tubing string. When the mandrel is engaged with the tubing string, fluid may be communicated through the port, the chamber and the mandrel and into the tubing string.

Address:

11614 E Summerfield St, Wichita, KS 67206

VIN:

2G2WR554X71194824

Make:

PONTIAC

Model:

GRAND PRIX

Year:

2007