US Patent 7322418 Continuous circulation drilling method
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Patent abstract
A method for drilling wells in which the tubular can be added or removed from the drill string whilst mud and drilling fluids being circulated continuously and kept separated from the environment to reduce pollution. A connector is used with an inlet and outlet for the mud etc. and which incorporates rams to seal off and separate the flow of mud as a tubular is added or removed.
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US Patent 07322418 Continuous circulation drilling method US Patent 7322418 Continuous circulation drilling method
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Patent Number
0732241800
Patent Number
732241800
Golden AI
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Edits on 23 Apr, 2023
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Patent Jurisdiction
Patent Number
073224180
Date of Patent
January 29, 2008
0Patent Application Number
107807960
Date Filed
February 18, 2004
0Official Website
Patent Primary Examiner
Edits on 27 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
073224180
Date of Patent
January 29, 2008
0Patent Application Number
107807960
Date Filed
February 18, 2004
0Official Website
Patent Primary Examiner
Edits on 17 Jun, 2022
Golden AI
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Edits on 23 Nov, 2021
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US Patent 07322418 Continuous circulation drilling method
Infobox
Is a
Patent jurisdiction
Patent number
07322418
Date of patent
January 29, 2008
Patent application number
10780796
Date Filed
February 18, 2004
Patent primary examiner
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