Patent · US Active

Drainage of heavy oil reservoir via horizontal wellbore

US7918269B2 · kind B2 · utility

9Cited by

74References

11Claims

0Family size

Assignee

Halliburton Energy Services, Inc. · US

Inventors

Travis W. Cavender · Angleton, US
Grant Hocking · Alpharetta, US
Roger L. Schultz · Newcastle, US

Key dates

Filing date	Nov 24, 2009
Grant date	Apr 5, 2011
Priority date	—
Expiry date	Nov 24, 2029

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B43/16
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

Systems and methods for drainage of a heavy oil reservoir via a horizontal wellbore. A method of improving production of fluid from a subterranean formation includes the step of propagating a generally vertical inclusion into the formation from a generally horizontal wellbore intersecting the formation. The inclusion is propagated into a portion of the formation having a bulk modulus of less than approximately 750,000 psi. A well system includes a generally vertical inclusion propagated into a subterranean formation from a generally horizontal wellbore which intersects the formation. The formation comprises weakly cemented sediment.

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