The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 16, 2007
Filed:
Dec. 16, 2004
Rod W. Shampine, Houston, TX (US);
Lawrence J. Leising, Missouri City, TX (US);
Yarom Polsky, Pearland, TX (US);
Hubertus V. Thomeer, Houston, TX (US);
Sarmad Adnan, Sugar Land, TX (US);
Rod W. Shampine, Houston, TX (US);
Lawrence J. Leising, Missouri City, TX (US);
Yarom Polsky, Pearland, TX (US);
Hubertus V. Thomeer, Houston, TX (US);
Sarmad Adnan, Sugar Land, TX (US);
Schlumberger Technology Corporation, Sugarland, TX (US);
Abstract
The invention generally relates to apparatus and methods for moving tubulars into and out of a well bore, and particularly, a tubular injector with two or more gripping members which bind the outer surface of the tubular, two or more actuators which cause the gripping members to bind or release the tubular, and at least one reciprocator for translating a gripping member to move the tubular, or for repositioning the gripping member. A method of translating a tubular is also provided which includes the steps of binding the outer surface of a tubular with at least one gripping members by engagement with an actuator, and translating a gripping member by reciprocator to move the tubular.