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:
May. 04, 1976
Filed:
Aug. 19, 1974
Applicant:
Inventors:
Ivo C Pogonowski, Blacksburg, VA (US);
Paul D Carmichael, Houston, TX (US);
Assignee:
Texaco, Inc., New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B63C / ;
U.S. Cl.
CPC ...
210 65 ; 61 6 / ; 210170 ;
Abstract
A method for making transparent an underwater work area covered with cloudy water for servicing an offshore well and a subsurface well servicing and life supporting work chamber for practicing the method comprising a submarine chamber rotatably mounted on a base positioned centrally of a group of wells around the periphery of the base is disclosed. The chamber has a water filter and an ejection nozzle for ejecting clear water from the filter into an underwater cloudy area over a well to be serviced for providing a relatively transparent area of clear water to see through and work in.