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:
Jul. 21, 1987
Filed:
Mar. 17, 1986
Applicant:
Inventors:
Bryant A Arterbury, Houston, TX (US);
James E Spangler, Houston, TX (US);
Assignee:
Howard Smith Screen Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ; E03B / ;
U.S. Cl.
CPC ...
166227 ; 166241 ; 166380 ;
Abstract
A well screen centralizer with a longitudinal flow passage therethrough which has a well screen insert that increases the producing area of the well screen by reducing the amount of blank non-producing tubing length usually used to accommodate non-well screen insert centralizers. A method for constructing a well screen centralizer and a method for inserting well screens into a well bore that includes welding the couplings to the well screens and using a well screen assembly and support stand.