Bhailal N Parmar

Address:

14810 Swift Riv Ln, Sugar Land, TX 77498

VIN:

5FNYF28517B027538

Make:

HONDA

Model:

PILOT

Year:

2007

US Patent:

20020029887, Mar 14, 2002

Filed:

Jan 29, 2001

Appl. No.:

09/774287

Inventors:

David Baskett - Houston TX, US
Bhailal Parmar - Sugar Land TX, US

International Classification:

E21B033/043
E21B034/04
E21B043/01

US Classification:

166/368000, 166/348000, 166/095100, 166/097100, 166/086100

Abstract:

A tubing hanger to facilitate production tubing annulus access including a tubing hanger body having a central bore, a shuttle valve slidably mounted to the tubing hanger body, and at least one annulus access bore through the tubing hanger permitting fluid communication between the central bore and an annulus defined between a production tubing string and a wellbore or casing via the tubing hanger body and the shuttle valve. The shuttle valve may be slidingly movable between an open and a closed position. The tubing hanger may further include a groove enclosed by a filler, the groove providing communication between a plurality of small annulus access bores and a large annulus access bore.