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:
Apr. 09, 2002
Filed:
Jun. 22, 2000
Applicant:
Inventors:
Randy S. Rosine, Duncan, OK (US);
John R. Martin, Houston, TX (US);
Assignee:
Halliburton Energy Services, Inc., Duncan, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 1/922 ;
U.S. Cl.
CPC ...
E21B 1/922 ;
Abstract
A tapered connector for a tubing string. The present invention includes a tapered connector used in interconnecting sections of the tubing string having differing outside diameters. The connector is preferably conical and fixedly attached to the tubing portions in various ways, such as welding. The tubing string can be injected into a well by using a tubing injector with gripper blocks having a V-shaped groove defined therein adapted for engaging the different diameter tubing sections and the tapered connector and methods of injecting are also disclosed.