[12] Patent
[11] Patent No.:GC0007640  
[45] Date of Publishing the Grant of the Patent: 30/Apr /2018                48/2018  
Number of the Decision to Grant the Patent:2018/126406
Date of the Decision to Grant the Patent:24/Apr/2018

[21] Application No.:GC 2013-24250

[22] Filing Date:29/4/2013

[30] Priority:

[33] State [32] Priority date [31] Priority No.
US
20/6/2012
13/527.588

[72] Inventors:1- KAY ANN MORRISŲŒ2- MATTHEW LYNN MILLER

[73] Owner: HALLIBURTON ENERGY SERVICES, INC., 10200 Bellaire Boulevard, Texas 77072, Houston, USA

[74] Agent: Abu-Gazaleh Intellectual Property L.L.C

  

 

  

[51]IPC:
Int. Cl.: C09K 8/03, 8/035, 8/34 (2006.01)

[56] Cited Documents:

-US 4 704 213 A (DELHOMMER HAROLD J [US] ET AL) 03 November 1987
-US 4 633 950 A (DELHOMMER HAROLD J [US] ET AL) 06 January 1987
-WO 98/05733 A1 (MI ORI LU NG FLUIDS LLC [US]) 12 February 1998
-US 2007/137528 A1 (LE ROY-DELAGE SYLVAINE [FR] ET AL) 21 June 2007
 
Examiner: Faisal Abdulla Aljardan

[54] OIL ABSORBENT OILFIELD MATERIALS AS ADDITIVES IN OIL-BASED DRILLING FLUID APPLICATIONS
[57] Abstract: A method using a single additive to modify or enhance one or more properties of a drilling fluid for drilling a wellbore in a subterranean formation, prevent lost circulation during the drilling, and/or increase bonding strength during cementing of the wellbore. The additive comprises an oil absorbent material comprising homopolymers or copolymers comprising styrene butadiene, acrylate, phthalate, and carbonate salts.
No. of claims: 10


 

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