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:
Nov. 15, 2016
Filed:
Jun. 10, 2015
Applicant:
Ptech Drilling Tubulars Llc, Conroe, TX (US);
Inventors:
Lloyd Murray Dallas, Streetman, TX (US);
Nels Peter Wickander, Conroe, TX (US);
Assignee:
PTECH DRILLING TUBULARS LLC, Conroe, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 17/00 (2006.01); E21B 17/04 (2006.01); E21B 7/04 (2006.01); E21B 43/16 (2006.01);
U.S. Cl.
CPC ...
E21B 17/04 (2013.01); E21B 7/046 (2013.01); E21B 17/00 (2013.01); E21B 43/16 (2013.01);
Abstract
A work string for completing long lateral well bores is assembled using small diameter drill pipe having a nigh make-up torque for a curved section and lateral bore of a well. A larger diameter drill pipe is used in the vertical section of the well to facilitate pushing the small diameter drill pipe through the long lateral bore.