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. 28, 1986
Filed:
Apr. 19, 1985
Applicant:
Inventor:
Franciscus J van Mierlo, Bakersfield, CA (US);
Assignee:
Shell California Production Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166382 ; 166115 ; 166195 ; 166208 ; 166242 ;
Abstract
The present invention relates to an improved liner hanger adapter containing a tapered brass sleeve which is arranged to wedge into a section of reduced diameter casing and is connected above an expansion joint for accommodating the thermal expansion and contraction of a well liner such as a wire wrapped liner.