Kenneth L Rountree

US Patent:

20040231835, Nov 25, 2004

Filed:

Mar 14, 2003

Appl. No.:

10/389409

Inventors:

Duy Thai - Houston TX, US
Jason Busch - Humble TX, US
Ommi Tanpa - Humble TX, US
Huy Lequang - Houston TX, US
Kenneth Rountree - Houston TX, US

Assignee:

FMC Technologies, Inc. - Chicago IL

International Classification:

E21B019/00

US Classification:

166/075130, 166/208000

Abstract:

A well completion system comprises a tubing head which includes a central bore that extends axially therethrough and at least one fluid port that extends through the tubing head to the central bore, a tubing hanger which is supported in the central bore, an alignment pin which is mounted in the fluid port and which comprises a key portion that protrudes into the central bore, and structure for engaging the key portion to orient the tubing hanger relative to the tubing head. In this arrangement a blind flange may be secured to the tubing head over the fluid port to effectively seal the fluid port from the environment.

US Patent:

51762188, Jan 5, 1993

Filed:

May 31, 1991

Appl. No.:

7/708641

Inventors:

Roy E. Singer - Tomball TX
Richard C. Lalor - Tomball TX
Kenneth G. Rountree - Houston TX
Marcus A. Smedley - Houston TX
John H. Miller - Youngsville LA

Assignee:

FMC Corporation - Chicago IL

International Classification:

E21B 33043

US Classification:

166206

Abstract:

A three-component adjustable mandrel well casing hanger that can be attached to the upper end of a tie-back sub or string to effect a tensioned connection between a subsea location and a surface wellhead of an offshore well.

US Patent:

60655429, May 23, 2000

Filed:

Dec 8, 1998

Appl. No.:

9/206895

Inventors:

Richard C. Lalor - Tomball TX
Russell E. McBeth - The Woodlands TX
Amrik S. Nijjar - Houston TX
Kenneth G. Rountree - Houston TX

Assignee:

FMC Corporation - Chicago IL

International Classification:

E21B 3402

US Classification:

166348

Abstract:

An adjustable tubular hanger for suspending a tubular string from a wellhead component is provided which includes an elongated body having a lower end adapted to be connected to the tubular string and an upper end portion including a plurality of axial annular grooves formed in the outer diameter surface thereof, each groove defining a downwardly facing support surface, and a support ring adapted to be positioned around the body in one of the grooves, the support ring having an upwardly facing load shoulder for engaging the support surface and a downwardly facing load surface for engaging a support shoulder formed in the wellhead component, whereby the elevation of the tubular hanger within the wellhead component can be adjusted depending on in which groove the support ring is positioned.

US Patent:

58788166, Mar 9, 1999

Filed:

May 9, 1997

Appl. No.:

8/853004

Inventors:

Richard C. Lalor - Tomball TX
Russell E. McBeth - The Woodlands TX
Amrik S. Nijjar - Houston TX
Kenneth G. Rountree - Houston TX

Assignee:

FMC Corporation - Chicago IL

International Classification:

E21B 3402

US Classification:

166348

Abstract:

An adjustable casing hanger for suspending a casing string from a wellhead is provided which includes an elongated tubular body having a lower end adapted to be connected to the casing string and an upper end portion including a plurality of axial annular grooves formed in the outer diameter surface thereof, each groove defining a downwardly facing support surface, and a support ring adapted to be positioned around the body in one of the grooves, the support ring having an upwardly facing load shoulder for engaging the support surface and a downwardly facing load surface for engaging a support shoulder formed in the wellhead, whereby the elevation of the casing hanger within the wellhead can be adjusted depending on in which groove the support ring is positioned. If desired or required by a particular application, one or more seals may be provided for sealing the annulus between the casing hanger and the wellhead, in which event the casing hanger preferably further includes a sealing surface pre-machined into each groove for engaging the seals.