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:
Jan. 04, 1994
Filed:
Oct. 22, 1992
Applicant:
Inventors:
John H Pelletier, Houston, TX (US);
Kris A Digre, Houston, TX (US);
Earl H Doyle, Jr, Sugar Land, TX (US);
Kenneth M Cowan, Sugar Land, TX (US);
Arthur H Hale, Houston, TX (US);
James J Nahm, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02D / ; E21B / ; E21B / ;
U.S. Cl.
CPC ...
405227 ; 106707 ; 166293 ; 405232 ; 405264 ; 405166 ;
Abstract
A method for installing piles in offshore waters using a drill and grout technique. The method utilizes a drilling fluid for drilling the borehole for the pile that forms a cementitious filter cake on the borehole wall and a cement for grouting the pile that is compatible with both the filter cake and salt water.