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:
Dec. 22, 1987
Filed:
Nov. 26, 1986
Applicant:
Inventor:
Robert T Gilchrist, Jr, Houston, TX (US);
Assignee:
Shell Western E&P Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ; E02F / ;
U.S. Cl.
CPC ...
405163 ; 405158 ; 405166 ; 405267 ;
Abstract
A deep trench is excavated into a sea bottom. The trench is filled with a slurry, e.g. clay and water, to maintain trench integrity for a period of time. A pipeline is subsequently lowered to the trench bottom by either gravity settlement, jet down using water jets, or vibration.