[12] Patent
[11] Patent No.:GC0011383  
[45] Date of Publishing the Grant of the Patent: 30/Sep /2020                64/2020  		 Number of the Decision to Grant the Patent:2020/171814
Date of the Decision to Grant the Patent:16/Aug/2020

[21] Application No.:GC 2014-28091

[22] Filing Date:12/10/2014

[30] Priority:

[33] State [32] Priority date [31] Priority No.
US
6/9/2013
 14/019,730

[72] Inventors:1- Samuel J. Lewis،2- Thomas Jason Pisklak،3- Kyriacos Agapiou،4- Peter James Boul،5- Lance Everett Brothers

[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 8/42; E21B 33/12 (2006.01)

[56] Cited Documents:

-US 2006/0249054 A1 (BROTHERS LANCE E el al.) 09 November 2006
-US 8,281,859 B2 (RODDY CRAIG W el al.) 09 October 2012  
Examiner: Eng. Imad A. AlAhaidib

[54] SET-DELAYED CEMENT COMPOSITIONS COMPRISING PUMICE AND ASSOCIATED METHODS
[57] Abstract: Set-delayed cement compositions and methods of using set-delayed cement compositions in subterranean formations. Embodiments include a method of drilling a wellbore in a subterranean formation comprising: circulating a drilling fluid comprising a set-delayed cement composition in the wellbore while drilling the wellbore, wherein the set-delayed cement composition comprises: pumice, hydrated lime, a set retarder, and water. A method of displacing a fluid in a wellbore comprising: introducing a spacer fluid comprising a set-delayed cement composition into a wellbore such that the spacer fluid displaces one or more prior fluids from the wellbore, and wherein the set-delayed cement composition comprises: pumice, hydrated lime, a set retarder, and water.
No. of claims: 20     No. of figures: 2


 

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