Patent · US Active

Downhole casing patch

US10989007B2 · kind B2 · utility

0Cited by

2References

15Claims

0Family size

Inventors

Matthew McCarthy · Broomfield, US
Grant George · Calgary, CA

Key dates

Filing date	Apr 10, 2017
Grant date	Apr 27, 2021
Priority date	—
Expiry date	Jul 13, 2037

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B33/128
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

An apparatus for bridging a section of ruptured casing within an oil well comprising a length of bridging pipe extending between first and second ends sized to be located within the casing so as to span the section of ruptured casing, a first seal located around the bridging pipe proximate to the first end thereof, a second seal located around the bridging pipe proximate to the second end thereof, an installation assembly extending through the bridging pipe operably engaged with the first and second ends of the bridging pipe, wherein the installation assembly is operable to extend each of the first and second seals into engagement with the oil well and wherein the installation assembly is further operable to selectably disengage from the bridging pipe.

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