Patent · US Active

Rotating mandrel casing hangers

US9689229B2 · kind B2 · utility

15Cited by

12References

12Claims

0Family size

Assignee

CAMERON INTERNATIONAL CORPORATION · US

Inventors

Andrew R. Hanson · Cypress, US
James D. Cavanagh · Cedar Park, US
Michael Levert, Jr. · Sugar Land, US
Brandon Blake Shirley · Cypress, US
Kyle Sommerfeld · Houston, US
Timothy W. Lim · Houston, US
Adam J. Christopherson · Cypress, US

Key dates

Filing date	Apr 22, 2013
Grant date	Jun 27, 2017
Priority date	—
Expiry date	Dec 25, 2034

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B33/0415
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

Rotating mandrel casing hangers are provided. In one embodiment, a system includes a casing hanger having a lower end configured to engage a casing string and a running tool configured to engage the casing hanger. The system is configured to facilitate rotation of the casing hanger within a casing head to rotate the casing string while cementing the casing string within a well. Additional systems, devices, and methods are also disclosed.

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