Douglas J Harrison

US Patent:

7093507, Aug 22, 2006

Filed:

May 12, 2003

Appl. No.:

10/435863

Inventors:

Paul Thom - Clifton NJ, US
Douglas W. Harrison - Paterson NJ, US
Francis Gomes - Jersey City NJ, US
David Landsberger - Caldwell NJ, US

Assignee:

Bel-Art Products, Inc. - Pequannock NJ

International Classification:

G01N 1/00

US Classification:

7386416

Abstract:

A pipette control arrangement consists of a housing assembly adapted for operatively housing a pump assembly and for operatively connecting a pipette to the pump assembly via a flexible air tube. The pump assembly is adapted to independently accommodate a plurality of volume specific removable cylinder-plunger systems. The pipette control arrangement may further include a quick release trigger operated mechanism for rapidly and or in large volumes dispensing liquid from an attached pipette.

US Patent:

7833943, Nov 16, 2010

Filed:

Sep 26, 2008

Appl. No.:

12/239442

Inventors:

Ryan Van Zanten - Spring TX, US
Douglas J. Harrison - Tomball TX, US

Assignee:

Halliburton Energy Services Inc. - Duncan OK

International Classification:

C09K 8/524
C09K 8/536
E21B 43/28

US Classification:

507 90, 1663051, 507240, 507245, 507257, 507265, 507266, 516 53, 516 67, 516 72

Abstract:

A method comprising contacting a zwitterionic surfactant, co-surfactant, and water to form a microemulsifier, and contacting the microemulsifier with an oleaginous fluid under low shear conditions to form a microemulsion. A method comprising introducing a first wellbore servicing fluid comprising at least one oleaginous fluid into a wellbore, wherein the first wellbore servicing fluid forms oil-wet solids and/or oil-wet surfaces in the wellbore, and contacting the oil-wet solids and/or oil-wet surfaces in the wellbore with a second wellbore servicing fluid comprising a zwitterionic surfactant, a co-surfactant, and a brine to form a microemulsion.

US Patent:

7960314, Jun 14, 2011

Filed:

Sep 30, 2010

Appl. No.:

12/895244

Inventors:

Ryan Van Zanten - Spring TX, US
Douglas J. Harrison - Tomball TX, US

Assignee:

Halliburton Energy Services Inc. - Duncan OK

International Classification:

C09K 8/52
E21B 43/28

US Classification:

507 90, 1663051, 507240, 507245, 507257, 507265, 507266, 516 53, 516 67, 516 72

Abstract:

A method comprising contacting a zwitterionic surfactant, co-surfactant, and water to form a microemulsifier, and contacting the microemulsifier with an oleaginous fluid under low shear conditions to form a microemulsion. A method comprising introducing a first wellbore servicing fluid comprising at least one oleaginous fluid into a wellbore, wherein the first wellbore servicing fluid forms oil-wet solids and/or oil-wet surfaces in the wellbore, and contacting the oil-wet solids and/or oil-wet surfaces in the wellbore with a second wellbore servicing fluid comprising a zwitterionic surfactant, a co-surfactant, and a brine to form a microemulsion.

US Patent:

8322431, Dec 4, 2012

Filed:

Sep 4, 2009

Appl. No.:

12/554707

Inventors:

Ryan G. Ezell - Spring TX, US
Douglas J. Harrison - Tomball TX, US

Assignee:

Halliburton Energy Services Inc. - Duncan OK

International Classification:

E21B 43/00

US Classification:

166344, 166338, 166352, 166364, 166270

Abstract:

A method of servicing hydrocarbon production equipment comprising locating at least a portion of a hydrocarbon flow conduit experiencing a loss of functionality; creating a port to access an interior flow bore of the hydrocarbon flow conduit; installing at least one piece of equipment proximate the access port, wherein the equipment has access to the interior flow bore via the access port; and placing a servicing composition into the conduit via the access port, wherein the servicing composition prevents the loss of materials from the interior of the hydrocarbon flow conduit to the surrounding environment.

US Patent:

8207096, Jun 26, 2012

Filed:

Dec 30, 2009

Appl. No.:

12/649819

Inventors:

Ryan van Zanten - Spring TX, US
Douglas J. Harrison - Tomball TX, US

Assignee:

Halliburton Energy Services Inc. - Duncan OK

International Classification:

C09K 8/60
C09K 8/64
C09K 8/68
C09K 8/528
C09K 8/584
C09K 8/54
C23G 1/06
E21B 43/22
E21B 33/12

US Classification:

507240, 507203, 507238, 507242, 507245, 507258, 507259, 507265, 507166, 507267, 507268, 1662701, 166179

Abstract:

A method of servicing a wellbore comprising placing a composition comprising a surfactant, brine, an oleaginous fluid, and optionally a co-surfactant in an annular space of the wellbore, wherein the composition forms a microemulsion under low shear conditions.

US Patent:

20080224087, Sep 18, 2008

Filed:

Mar 11, 2008

Appl. No.:

12/046086

Inventors:

Ryan G. Ezell - Spring TX, US
Douglas J. Harrison - Tomball TX, US

International Classification:

E04B 1/76

US Classification:

252 62

Abstract:

Provided herein are methods and compositions that include a method comprising providing an annulus between a first tubing and a second tubing; providing an aqueous-based insulating fluid that comprises an aqueous base fluid, a water-miscible organic liquid, and a layered silicate; and placing the aqueous-based insulating fluid in the annulus. A composition provided includes an aqueous-based insulating fluid comprising an aqueous base fluid, a water-miscible organic liquid, and a layered silicate.

US Patent:

20100256025, Oct 7, 2010

Filed:

Apr 7, 2009

Appl. No.:

12/419893

Inventors:

Ryan van Zanten - Spring TX, US
Douglas J. Harrison - Tomball TX, US

Assignee:

Halliburton Energy Services, Inc, - Houston TX

International Classification:

C09K 8/60

US Classification:

507240

Abstract:

A method of servicing a wellbore comprising placing downhole a composition comprising a surfactant package comprising a cationic surfactant and anionic surfactant, wherein the surfactant package when contacted with an aqueous solution forms a viscosified composition in the presence of less than about 30 wt. % of a hydrotrope.

US Patent:

20110062085, Mar 17, 2011

Filed:

Sep 15, 2009

Appl. No.:

12/559713

Inventors:

Jay P. Deville - Spring TX, US
Matthew L. Miller - Spring TX, US
Stephen W. Almond - Spring TX, US
Douglas J. Harrison - Tomball TX, US

Assignee:

Halliburton Energy Services, Inc. - Duncan OK

International Classification:

C02F 1/52

US Classification:

210719, 210778, 210224, 210209

Abstract:

A method for the removal of soluble metal ion contamination from fluids is disclosed. The method includes passing the contaminated fluid through a filter medium comprising a reducing metal and a filter aid, such as diatomaceous earth, and collecting a filtrate with lower concentration of soluble metal ion contamination. The reducing metal can have a reduction potential of from −0.50 volt to −3.10 volt and can be capable of reducing the soluble metal ions to insoluble metal, which can then be entrapped in the filter medium or otherwise separated.