Patent · US Active

Surfactant additives used to retain producibility while drilling

US8592350B2 · kind B2 · utility

43Cited by

25References

12Claims

0Family size

Assignee

Halliburton Energy Services, Inc. · US

Inventors

Ryan van Zanten · Katy, US
David Horton · Calgary, CA
Per-Bjarte Tanche-Larsen · Sandnes, NO

Key dates

Filing date	May 5, 2011
Grant date	Nov 26, 2013
Priority date	—
Expiry date	May 30, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K2208/18
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.