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:
Feb. 20, 1990
Filed:
Sep. 26, 1988
Applicant:
Inventors:
Frank S Wang, Katy, TX (US);
Charles T Gautreau, Nine Mile Point, LA (US);
Robert W Heels, Metairie, LA (US);
Norman W Hein, Jr, Katy, TX (US);
Assignee:
Conoco Inc., Ponca City, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02D / ;
U.S. Cl.
CPC ...
405195 ; 166 55 ; 405227 ; 405232 ;
Abstract
A method for removing obsolete piling-anchored offshore platforms. The pilings at a desired cutoff point below the seabed are chilled to the point that toughness against brittle fracture is greatly reduced, and then a fracturing force is applied to the chilled section of piling.