ALFREDO GOMEZ
Electrician at Polk St, Houston, TX

7219743, May 22, 2007

Sep 1, 2004

10/931606

Sebastiaan J. Wolters - Kingwood TX, US
Raymond D. Chavers - Humble TX, US
John Cobb - Humble TX, US
Alfredo Gomez - Houston TX, US

Baker Hughes Incorporated - Houston TX

E21B 43/12

166377, 166378, 1663324, 166 667, 166105

A system and method for actuating a shut-off valve in a wellbore wherein the shut-off valve element can be positively closed before the pump is removed from the well. A hydraulic actuator component is operably associated with the shut-off valve to provide for selective isolation of the well by positive closing of the valve prior to removal of the pump and opening of the valve after replacement of a pump within the wellbore. The hydraulic actuator component has a balanced hydraulic design wherein the valve closure element may be moved toward an open or closed position by flow of hydraulic fluid through first and second hydraulic lines. When a repaired pump or replacement pump is placed into the well, the actuator is stabbed into a packer element to seat it. The hydraulic actuator assembly is then operated to open the shut-off valve, thereby reestablishing well operation.

8006772, Aug 30, 2011

Apr 10, 2008

12/100936

Samir Nazir - Houston TX, US
Alfredo Gomez - Houston TX, US

Baker Hughes Incorporated - Houston TX

E21B 34/14

166386, 1663324, 1663328

A method for performing a wellbore-related activity may include positioning a sealing device along the wellbore; conveying a work string into the wellbore; using the work string to perform the activity; extracting the work string out of the wellbore; and shifting the sealing device to a closed position to seal a bore of the wellbore using a portion of the work string. A device that selectively seals or occludes a wellbore tubular may include a sealing device having a first and a second sealing element that seal a bore of the wellbore tubular. The first and second sealing elements may support a pressure applied in different directions. Pulling an engagement sleeve with the work string in an uphole direction may fold the first and second sealing elements into the closed position. The bore may be unsealed by applying a pressure cycle to shift the sealing device.

5549161, Aug 27, 1996

Mar 6, 1995

8/400334

Alfredo Gomez - Houston TX
William M. Richards - Houston TX
Douglas J. Murray - Humble TX

Baker Hughes Incorporated - Houston TX

E21B 3412, E21B 3414, E21B 2300

1662551

A shifting tool is disclosed which allows movement of a shifting sleeve, to be followed by an additional force applied to ensure complete stroking of the shifting sleeve. This is accomplished by a shifting key to normally shift the shifting sleeve, followed by an overpull key which engages while the shifting key is still engaged. Once a predetermined force has been applied to the overpull key, the force applied from the surface is removed so that the tool may disengage from the sleeve. Subsequent manipulation, without necessarily any removal from the wellbore, if it does not result in a reengagement, provides feedback that the shifting sleeve has, in fact, shifted its full stroke. An emergency release is available which actuated by an overpull force beyond a predetermined level, applied while the overpull key is engaged for an emergency release from the shifting sleeve.

7445047, Nov 4, 2008

Oct 24, 2005

11/256888

Alfredo Gomez - Houston TX, US

Baker Hughes Incorporated - Houston TX

E21B 34/14

1663344, 1663324, 277342

An improved seal assembly for use in sliding sleeve valves. The seal assembly incorporates a number of annular, chevron-shaped seal elements that are in a stacked configuration and preferably formed of a thermoplastic material to provide a fluid seal between the outer housing and the inner sleeve member of the sliding sleeve valve. In addition, the seal assembly preferably includes a pair of annular metallic seal members that have a C-ring cross-section (a “C-seal”). On opposite axial sides of each metallic C-seal are a C-seal support ring and an end adapter that are shaped and sized to assist the metallic C-seals to be axially compressed and uncompressed to resiliently seal against both the inner sleeve member and the outer housing.

7228914, Jun 12, 2007

Feb 20, 2004

10/783404

Raymond D. Chavers - Humble TX, US
Graeme J. Walker - Kingwood TX, US
John M. Cobb - Humble TX, US
Alfredo Gomez - Houston TX, US

Baker Hughes Incorporated - Houston TX

E21B 33/12

166386, 1663321

Systems and methods for positively closing off a section of wellbore and, thereby providing reservoir control. Systems and methods are described for selectively closing off a section of a wellbore to fluid communication. The wellbore completion section may then be reopened to fluid communication upon reconnection of the upper completion section to the lower completion section. Advantageously, the systems and methods of the present invention generally preclude fluid communication between the annulus of the upper completion section and the flowbore of the lower completion section until the lower completion section is closed off to fluid flow.

2004023, Dec 2, 2004

May 30, 2003

10/448893

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

E21B023/00

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

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.

2007011, May 31, 2007

Jan 29, 2007

11/668364

Raymond Chavers - Humble TX, US
Graeme Walker - Kingwood TX, US
John Cobb - Humble TX, US
Alfredo Gomez - Houston TX, US

BAKER HUGHES INCORPORATED - Houston TX

E21B 33/12

166386000, 166319000

Systems and methods for positively closing off a section of wellbore and, thereby providing reservoir control. Systems and methods are described for selectively closing off a section of a wellbore to fluid communication. The wellbore completion section may then be reopened to fluid communication upon reconnection of the upper completion section to the lower completion section. Advantageously, the systems and methods of the present invention generally preclude fluid communication between the annulus of the upper completion section and the flowbore of the lower completion section until the lower completion section is closed off to fluid flow.

2013017, Jul 11, 2013

Jan 9, 2012

13/346025

Douglas J. Murray - Christiansburg VA, US
Alfredo Gomez - Houston TX, US

BAKER HUGHES INCORPORATED - Houston TX

E21B 23/01

166382, 166206

A lock assembly including a mandrel having at least one window therein. At least one dog corresponds to the at least one window and is radially extendable therethrough. The at least one dog is operatively arranged for engaging at least one feature of a tubular radially disposed with the mandrel. At least one seal element is arranged for sealing the mandrel with respect to the tubular and operatively positioned with respect to the at least one dog for maintaining the mandrel solely in compression against the at least one dog during fluid pressure loading on the mandrel in either longitudinal direction with respect to the lock assembly.