Invention Grant
- Patent Title: Casing stabbing guide and method of use thereof
- Patent Title (中): 套管刺针及其使用方法
-
Application No.: US12475133Application Date: 2009-05-29
-
Publication No.: US08191621B2Publication Date: 2012-06-05
- Inventor: David Sweeney , Allen Littlewood
- Applicant: David Sweeney , Allen Littlewood
- Applicant Address: US TX Houston
- Assignee: Tesco Corporation
- Current Assignee: Tesco Corporation
- Current Assignee Address: US TX Houston
- Agency: Bracewell & Giuliani LLP
- Main IPC: E21B19/18
- IPC: E21B19/18

Abstract:
A system for running a string of casing into a well utilizes a casing gripping assembly. The casing gripping assembly connects to a top drive and has radially movable gripping elements. A pair of links have upper ends pivotally connected to the casing gripping assembly. A casing elevator is mounted below the casing gripping assembly to lower ends of the links. A guide is mounted to the links between the elevator and the casing gripping assembly. The guide has a vertically extending central opening that has a lower portion that defines a flared entrance to the opening.
Public/Granted literature
- US20100300704A1 Casing Stabbing Guide Public/Granted day:2010-12-02
Information query