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. 25, 2016
Filed:
Jul. 15, 2013
Applicant:
Nabors Drilling International Limited, Hamilton, BM;
Inventors:
Sean M. Bailey, Willis, TX (US);
Padira Reddy, Richmond, TX (US);
Assignee:
Nabors Drilling International Limited, Hamilton, BM;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/038 (2006.01); E21B 21/00 (2006.01); E21B 21/01 (2006.01);
U.S. Cl.
CPC ...
E21B 33/038 (2013.01); E21B 21/00 (2013.01); E21B 21/01 (2013.01);
Abstract
An apparatus including a bell nipple assembly defining a first internal passage that includes two sections forming first and second internal passages that may be aligned by a flexible connector disposed between first and second flanges in one of the sections to at least partially adjust for an offset amount caused by longitudinal axis misalignment of the other section. Methods of adjusting for longitudinal axis offset between two misaligned components, such as of a bell nipple zone, are also encompassed.