DAVID N HORTON
Electrician at Ivyridge Rd, Houston, TX

8148303, Apr 3, 2012

Jun 30, 2010

12/827451

Ryan Van Zanten - Spring TX, US
David Horton - Houston TX, US
Per-Bjarte Tanche-Larsen - Sandnes, NO

Halliburton Energy Services Inc. - Duncan OK

C09K 8/02, C09K 8/04, C09K 8/12, E21B 21/00, E21B 7/00

507103, 175 65, 175 72, 507129, 507130, 507134, 507135, 507136, 507139, 507927, 516 53, 516 58, 516 59, 516 67

A method comprises providing a drilling fluid comprising: an aqueous fluid; and a microemulsion surfactant; and drilling a well bore in a subterranean formation comprising an oleaginous fluid using the drilling fluid, wherein the microemulsion surfactant forms a microemulsion with the oleaginous fluid within the well bore. In accordance with the method, the subterranean formation has a retained producibility greater than about 50%.

8592350, Nov 26, 2013

May 5, 2011

13/101300

Ryan van Zanten - Spring TX, US
David Horton - Houston TX, US
Per-Bjarte Tanche-Larsen - Sandnes, NO

Halliburton Energy Services, Inc. - Houston TX

C09K 8/12

507131, 507132, 507137, 507138, 175 72, 524249

Of the many embodiments provided herein, one embodiment includes a method comprising: providing a drilling fluid comprising: an aqueous fluid; and a surfactant; and drilling a well bore in a subterranean formation comprising an oleaginous fluid using the drilling fluid, wherein the surfactant forms a micelle within the well bore; and removing an oil block in the formation.