David J Garrett

US Patent:

20100202896, Aug 12, 2010

Filed:

Jul 18, 2008

Appl. No.:

12/669866

Inventors:

Michael Hui Du - Pearland TX, US
Arthur I. Watson - Sugar Land TX, US
David Rowatt - Jurong, SG
Chad Bremner - Aberdeenshire, GB
Arunkumar Arumugam - Missouri City TX, US
David Garrett - Bartlesville OK, US
Christopher Featherby - Bartlesville OK, US
Ramez Guindi - Sugar Land TX, US

Assignee:

SCHLUMBERGER TECHNOLOGY CORPORATION - SUGAR LAND TX

International Classification:

F04B 17/03
F04B 43/04
F04B 53/10

US Classification:

417 53, 4174101, 417412, 417415

Abstract:

An electric submersible pump device having a motor part, a pump part, and a protector part. The protector part includes redundant shaft seal parts.

US Patent:

20150354288, Dec 10, 2015

Filed:

Dec 31, 2013

Appl. No.:

14/655530

Inventors:

- Sugar Land TX, US
Sergey Pisetskiy - Sugar Land TX, US
David Garrett - Bartlesville OK, US

International Classification:

E21B 17/046
E21B 43/12

Abstract:

An anti-rotation device for and method of preventing rotation of alternate deployable electrical submersible pumps (ESP's) within a well casing. This anti-rotation device includes a mandrel connected with the ESP (or ESP string) and a torque anchor connected with an inner surface of the well casing. A portion of the mandrel is configured to engage an inner surface of the torque anchor is such a manner as to prevent rotational movement of the mandrel (and ESP) within the well casing. The mandrel may be of variable length and configured to allow variable and selective positioning of the ESP within the well casing. The interaction of the mandrel and the torque break also provides for alignment of the ESP within the well casing. Additionally, it absorbs and dissipates pump induced torque for the ESP.

US Patent:

20150176574, Jun 25, 2015

Filed:

Dec 22, 2014

Appl. No.:

14/579585

Inventors:

- Houston TX, US
Carlos A. Prieto - Katy TX, US
Gary L. Williams - Broken Arrow OK, US
David L. Garrett - Bartlesville OK, US
Shawn N. Gunter - Owasso OK, US
Nathan G. Nelson - Glenpool OK, US

International Classification:

F04B 17/03
F04B 47/06
F04B 49/22

Abstract:

A submersible well pump assembly has a pump housing with a pump discharge on upper end. A pump barrel is located within the pump housing, defining an annular passage between the barrel and the pump housing. A plunger is reciprocally carried in the barrel. A motor mounted below the pump housing and operatively couples to the plunger causes the plunger to reciprocate between an upstroke and a down-stroke. A valve and porting arrangement directs well fluid in the barrel below the plunger into the annular passage and out the discharge during a down stroke of the plunger. The valve and porting arrangement admits well fluid into the barrel below the plunger during the up stroke of the plunger. A connecting rod extends between the motor and the plunger. The connecting rod is in tension during the down-stroke.

US Patent:

20140322038, Oct 30, 2014

Filed:

Jul 14, 2014

Appl. No.:

14/331162

Inventors:

- Sugar land TX, US
Arthur I. Watson - Sugar Land TX, US
John David Rowatt - Harvard MA, US
Chad Bremner - Calgary, CA
Arunkumar Arumugam - Missouri City TX, US
David Garrett - Bartlesville OK, US
Christopher E. Featherby - Bartlesville OK, US
Ramez Guindi - Sugar Land TX, US

International Classification:

F04D 29/10
F04D 13/10

US Classification:

417 53, 4174101, 4174233

Abstract:

An electric submersible pump device having a motor part, a pump part, and a protector part. The protector part includes redundant shaft seal parts.