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US Patent 7923413 Lost circulation material for oilfield use

Patent 7923413 was granted and assigned to Schlumberger on April, 2011 by the United States Patent and Trademark Office.

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Patent abstract

A composition for reducing lost circulation in a well, while drilling the well with a drilling mud, which is composed of a base fluid, a mixture of particles, and a blend of fibers. The composition is used by stopping drilling with the mud, injecting a spacer, injecting the water-based composition, injecting a spacer, and resuming drilling with the oil-based mud.

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Patent Inventor Names
Jaleh Ghassemzadeh0
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Patent Citations Received
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US Patent 11713407 Date tree waste-based compound fibrous LCMs
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=079234130
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US Patent 07923413 Lost circulation material for oilfield use US Patent 7923413 Lost circulation material for oilfield use

Infobox
Patent Number
079234130
Patent Number
79234130
Edits on 23 Sep, 2022
"Entity importer update"
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Infobox
Is a
Patent
Patent
0
Current Assignee
Schlumberger
Schlumberger
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
079234130
Date of Patent
April 12, 2011
0
Patent Application Number
124682320
Date Filed
May 19, 2009
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=079234130
Patent Primary Examiner
‌
Timothy J. Kugel
0
Edits on 19 Jun, 2022
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07923413
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 US Patent 07923413 Lost circulation material for oilfield use

Infobox
Is a
Patent
Patent
Current assignee
Schlumberger
Schlumberger
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07923413
Date of patent
April 12, 2011
Patent application number
12468232
Date Filed
May 19, 2009
Patent primary examiner
‌
Timothy J. Kugel

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