Patent Number: 8,800,646

Title: Safety device for retrieving component within wellhead

Abstract: A system is provided that includes a safety device configured to mount in a mineral extraction system and block axial movement of a plug in the mineral extraction system while the plug is released from a retainer. The safety device may be a sleeve configured to receive screws or other retention mechanism in a tubular. A method is provided that includes installing a plug safety catch into a tubular of a mineral extraction system in which the safety device is configured to block axial movement of a plug in response to a pressure differential while the plug is released from a mount position.

Inventors: Harkins; Randall Dean (Spring, TX), Guidry; Kirk Paul (Cypress, TX), Taylor; Thomas Edgar (Houston, TX)

Assignee: Cameron International Corporation

International Classification: E21B 33/06 (20060101)

Expiration Date: 8/12/12018