Brian David Roth

US Patent:

6334486, Jan 1, 2002

Filed:

Nov 3, 2000

Appl. No.:

09/706526

Inventors:

Michael A. Carmody - Houston TX
Kevin R. Jones - Humble TX
Robert J. Coon - Houston TX
Douglas J. Murray - Humble TX
Mark E. Hopmann - Alvin TX
Steven L. Jennings - Friendswood TX
Brian A. Roth - Houston TX

Assignee:

Baker Hughes Incorporated - Houston TX

International Classification:

E21B 3406

US Classification:

166 53, 166 66, 166 664, 166 666, 166113, 1663321, 1663344, 25112911, 251248, 251340

Abstract:

Several downhole flow control devices are disclosed which are meterable and are also capable of shutting of a particular zone in a well. The several embodiments include a multiple valve body, a toroidal inflatable valve, and a series of related choke systems. The downhole flow control choke mechanisms each include a downhole electronics package to provide programming or decision making capacity as well as motor actuation systems. Each choke mechanism also includes a system whereby the device can be converted to manual operation and actuated by a conventional shifting tool.

US Patent:

6450255, Sep 17, 2002

Filed:

Aug 21, 2001

Appl. No.:

09/934359

Inventors:

Michael A. Carmody - Houston TX
Kevin R. Jones - Humble TX
Robert J. Coon - Houston TX
Douglas J. Murray - Humble TX
Mark E. Hopmann - Alvin TX
Steven L. Jennings - Friendswood TX
Brian A. Roth - Houston TX

Assignee:

Baker Hughes Incorporated - Houston TX

International Classification:

E21B 3414

US Classification:

166 53, 166 66, 166 666, 166320, 166330, 25112911, 251208

Abstract:

Several downhole flow control devices are disclosed which are meterable and are also capable of shutting of a particular zone in a well. The several embodiments include a multiple valve body, a toroidal inflatable valve, and a series of related choke systems. The downhole flow control choke mechanisms each include a downhole electronics package to provide programming or decision making capacity as well as motor actuation systems. Each choke mechanism also includes a system whereby the device can be converted to manual operation and actuated by a conventional shifting tool.

US Patent:

6484800, Nov 26, 2002

Filed:

Aug 21, 2001

Appl. No.:

09/934360

Inventors:

Michael A. Carmody - Houston TX
Kevin R. Jones - Humble TX
Robert J. Coon - Houston TX
Douglas J. Murray - Humble TX
Mark E. Hopmann - Alvin TX
Steven L. Jennings - Friendswood TX
Brian A. Roth - Houston TX

Assignee:

Baker Hughes Incorporated - Houston TX

International Classification:

E21B 3406

US Classification:

166 53, 13762418, 13762533, 166 66, 166 666, 166320, 1663324, 1663344, 25112904

Abstract:

Several downhole flow control devices are disclosed which are meterable and are also capable of shutting of a particular zone in a well. The several embodiments include a multiple valve body, a toroidal inflatable valve, and a series of related choke systems. The downhole flow control choke mechanisms each include a downhole electronics package to provide programming or decision making capacity as well as motor actuation systems. Each choke mechanism also includes a system whereby the device can be converted to manual operation and actuated by a conventional shifting tool.

US Patent:

6612547, Sep 2, 2003

Filed:

Aug 28, 2001

Appl. No.:

09/941291

Inventors:

Michael A. Carmody - Houston TX
Kevin R. Jones - Humble TX
Robert J. Coon - Houston TX
Douglas J. Murray - Humble TX
Mark E. Hopmann - Alvin TX
Steven L. Jennings - Friendswood TX
Brian A. Roth - Houston TX

Assignee:

Baker Hughes Incorporated - Houston TX

International Classification:

F16K 3100

US Classification:

251343, 166 53, 166 666

Abstract:

Several downhole flow control devices are disclosed which are meterable and are also capable of shutting of a particular zone in a well. The several embodiments include a multiple valve body, a toroidal inflatable valve, and a series of related choke systems. The downhole flow control choke mechanisms each include a downhole electronics package to provide programming or decision making capacity as well as motor actuation systems. Each choke mechanism also includes a system whereby the device can be converted to manual operation and actuated by a conventional shifting tool.

US Patent:

6782952, Aug 31, 2004

Filed:

Oct 11, 2002

Appl. No.:

10/269662

Inventors:

Thomas W. Garay - Humble TX
Edward J. Zisk - Kingwood TX
Brian A. Roth - Houston TX

Assignee:

Baker Hughes Incorporated - Houston TX

International Classification:

E21B 3410

US Classification:

166374, 166320, 251325

Abstract:

A downhole well valve having a variable area orifice ( ) is flow area adjusted by a sliding sleeve ( ) that is axially shifted along a tubular housing ( ) interior in a finite number of increments. A hydraulic actuator ( ) displaces a predetermined volume of hydraulic fluid with each actuator stroke. An actuator displaced volume of fluid shifts the flow control sleeve by one increment of flow area differential. An indexing mechanism ( ) associated with the sleeve provides a pressure value respective to each increment in the increment series.

US Patent:

6810955, Nov 2, 2004

Filed:

Aug 22, 2002

Appl. No.:

10/226367

Inventors:

Brian A. Roth - Houston TX
Roger D. Hegdahl - Crosby TX
James H. Kritzler - Pearland TX

Assignee:

Baker Hughes Incorporated - Houston TX

International Classification:

E21B 3406

US Classification:

1662425, 166316, 29456, 137155

Abstract:

A side-pocket gas lift mandrel having tapered end caps threaded onto the ends of the mandrel with metal-to-metal sealing threads. The thickness of each made up thread set is the same as the thickness of the small end of each end cap, resulting in a mandrel having the same outside diameter as if the end caps were welded on, without sacrificing any inside diameter in the small ends of the end caps, compared to a welded mandrel.

US Patent:

6983795, Jan 10, 2006

Filed:

Apr 7, 2003

Appl. No.:

10/408798

Inventors:

Stephen N. Zuklic - Kingwood TX, US
Allen W. Womble - Maurice LA, US
Wilfred Schexnayder, Jr. - Houston TX, US
Gary Corbett - Willis TX, US
Richard Y. Xu - Tomball TX, US
David Rothers - The Woodlands TX, US
Brian Roth - Houston TX, US
Russell T. Louviere - Arnaudville LA, US

Assignee:

Baker Hughes Incorporated - Houston TX

International Classification:

E21B 43/08

US Classification:

166 51, 166278, 166227

Abstract:

A gravel packing system featuring pressure actuated sliding sleeve valves mounted to an exterior annulus around a blanking pipe for screen sections is disclosed. An internal sliding sleeve valve is provided for subsequent closure of access through the screens. The presence of the annulus between the blanking pipe and the screen permits a backup access through perforating the blanking pipe while not damaging the screen. The sliding sleeve valves that are mounted internally and externally on the blanking pipe are removable apart from the screen section that already has gravel packed around it, if they fail to operate and need repair.

US Patent:

20040238185, Dec 2, 2004

Filed:

May 30, 2003

Appl. No.:

10/448893

Inventors:

David Rothers - The Woodlands TX, US
John Cobb - Humble TX, US
Alfredo Gomez - Houston TX, US
Samir Nazir - Houston TX, US
Elias Pena - Houston TX, US
James Youngblood - La Marque TX, US
Brian Roth - Houston TX, US

International Classification:

E21B023/00

US Classification:

166/382000, 166/381000, 166/125000, 166/115000

Abstract:

A running tool that delivers an object selectively to one of a plurality of landing nipples and then releases from the object is disclosed. The tool is actuated by raising it after it has passed the desired landing nipple to release a locating dog. The locating dog places locking dogs on the object even with a groove on the landing nipple. Movement of the tool downhole secures the locking relationship and releases the running tool from the object. A sheer pin allows testing at the surface that the object is locked in place, prior to removal of the running tool. The object comprises a fishing neck to allow it to be subsequently retrieved.