US Patent 7975766 Top filling tubing
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Edits on 28 Nov, 2023
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Patent abstract
A method of top-filling a drill pipe string comprises injecting fluid into the upper end of the string. Apparatus for use in top-filling a drill pipe string comprises an injector adapted to co-operate with the upper end of a drill pipe string, whereby fluid may be pumped through the injector and into the string.
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Patent Inventor Names
Andrew Phillip Churchill0
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US Patent 07975766 Top filling tubing US Patent 7975766 Top filling tubing
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Patent Number
079757660
Patent Number
79757660
Edits on 25 Apr, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
079757660
Date of Patent
July 12, 2011
0Patent Application Number
123047320
Date Filed
June 11, 2007
0Patent Primary Examiner
Edits on 8 Dec, 2021
Golden AI
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US Patent 07975766 Top filling tubing
Infobox
Is a
Patent jurisdiction
Patent number
07975766
Date of patent
July 12, 2011
Patent application number
12304732
Date Filed
June 11, 2007
Patent primary examiner
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