Patent · US Active

Method and apparatus for hydraulic fracturing

US9151147B2 · kind B2 · utility

0Cited by

14References

9Claims

0Family size

Assignee

Stelford Energy, Inc. · CA

Inventors

Cory Clark · Sherwood Park, CA
Terry Powers · Edmonton, CA

Key dates

Filing date	Jul 25, 2012
Grant date	Oct 6, 2015
Priority date	—
Expiry date	Jun 30, 2033

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B43/26
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A method of treating a consolidated formation having a wellbore therein. Tubing including a stress relieving tool is provided in the wellbore. An interval in the wellbore wherein the stress relieving tool is located is isolated. The stress relieving tool is actuated to apply mechanical force radially to an uncased inner diameter surface of the wellbore for providing a reduced stress zone of the formation. Fluid pressure is increased in the wellbore to fracture the formation within the reduced stress zone.

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