P

Inventor

SANTRA ASHOK K

US47 patents
⚠️ This page may combine multiple inventors who share the name “SANTRA ASHOK K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HALLIBURTON ENERGY SERV INC

32 patents
US7497258B2Mar 3, 2009

Methods of isolating zones in subterranean formations using self-degrading cement compositions

HALLIBURTON ENERGY SERV INC65 citations98
US7048053B2May 23, 2006

Zeolite compositions having enhanced compressive strength

HALLIBURTON ENERGY SERV INC101 citations98
US7699101B2Apr 20, 2010

Well system having galvanic time release plug

HALLIBURTON ENERGY SERV INC139 citations96
US7642223B2Jan 5, 2010

Methods of generating a gas in a plugging composition to improve its sealing ability in a downhole permeable zone

HALLIBURTON ENERGY SERV INC59 citations96
US7717180B2May 18, 2010

Swellable elastomers and associated methods

HALLIBURTON ENERGY SERV INC47 citations95
US7740070B2Jun 22, 2010

Wellbore servicing compositions comprising a density segregation inhibiting composite and methods of making and using same

HALLIBURTON ENERGY SERV INC28 citations93
US7527098B2May 5, 2009

Methods of increasing the thickening times of phosphate-based cementitious compositions in high-temperature wellbores

HALLIBURTON ENERGY SERV INC24 citations93
US7297664B2Nov 20, 2007

Cement-free zeolite and fly ash settable fluids and methods therefor

HALLIBURTON ENERGY SERV INC22 citations93
US7150321B2Dec 19, 2006

Zeolite-containing settable spotting fluids

HALLIBURTON ENERGY SERV INC26 citations93
US7833344B2Nov 16, 2010

Ultra low density cement compositions and methods of making same

HALLIBURTON ENERGY SERV INC21 citations92
US7637319B2Dec 29, 2009

Kickoff plugs comprising a self-degrading cement in subterranean well bores

HALLIBURTON ENERGY SERV INC19 citations92
US7576042B2Aug 18, 2009

Salt water stable latex cement slurries

HALLIBURTON ENERGY SERV INC22 citations92
US7325611B2Feb 5, 2008

Cement compositions for reducing gas or water migration and methods of using the same

HALLIBURTON ENERGY SERV INC22 citations91
US7866393B2Jan 11, 2011

Swellable elastomers and associated methods

HALLIBURTON ENERGY SERV INC27 citations90
US7789149B2Sep 7, 2010

Methods of servicing wellbore with composition comprising ultra low density thermatek® slurries

HALLIBURTON ENERGY SERV INC9 citations84
US7687440B2Mar 30, 2010

Wellbore sealant compositions containing cationic latexes

HALLIBURTON ENERGY SERV INC12 citations84
US7640985B2Jan 5, 2010

Methods of directional drilling and forming kickoff plugs using self-degrading cement in subterranean well bores

HALLIBURTON ENERGY SERV INC9 citations84
US7350574B2Apr 1, 2008

Methods of retarding the setting of a cement composition using biodegradable monomers

HALLIBURTON ENERGY SERV INC11 citations84
US7290613B2Nov 6, 2007

Cement compositions comprising aromatic sulfonated polymers and methods of using the same

HALLIBURTON ENERGY SERV INC12 citations84
US7722954B2May 25, 2010

Gas-generating additives having improved shelf lives for use in cement compositions

HALLIBURTON ENERGY SERV INC9 citations82
US7878245B2Feb 1, 2011

Cement compositions comprising a high-density particulate elastomer and associated methods

HALLIBURTON ENERGY SERV INC11 citations80
US7530394B2May 12, 2009

Cement compositions for low temperature applications

HALLIBURTON ENERGY SERV INC17 citations80
US7694738B2Apr 13, 2010

Methods of using wellbore sealant compositions containing cationic latexes

HALLIBURTON ENERGY SERV INC7 citations74
US7438758B2Oct 21, 2008

Cement compositions comprising aromatic sulfonated polymers and methods of using the same

HALLIBURTON ENERGY SERV INC8 citations74
US7338925B2Mar 4, 2008

Zeolite compositions having enhanced compressive strength

HALLIBURTON ENERGY SERV INC7 citations74
US7537656B2May 26, 2009

Cement compositions comprising biodegradable monomers for retarding the setting thereof

HALLIBURTON ENERGY SERV INC5 citations63
US7407009B2Aug 5, 2008

Methods of using cement compositions comprising phosphate compounds in subterranean formations

HALLIBURTON ENERGY SERV INC3 citations63
US7228905B2Jun 12, 2007

Zeolite compositions having enhanced compressive strength

HALLIBURTON ENERGY SERV INC4 citations63
US7449062B2Nov 11, 2008

Cement compositions for reducing gas or water migration and methods of using the same

HALLIBURTON ENERGY SERV INC4 citations61
US7473313B2Jan 6, 2009

Gas-generating additives having improved shelf lives for use in cement compositions

HALLIBURTON ENERGY SERV INC3 citations60
US7334638B2Feb 26, 2008

Methods of improving the shelf life of a cement composition comprising a coated gas-generating material

HALLIBURTON ENERGY SERV INC2 citations60
US7854262B2Dec 21, 2010

Sorel cement compositions, amine phosphono retarders, and associated methods

HALLIBURTON ENERGY SERV INC3 citations58

SANTRA ASHOK K

4 patents

HALLIBURTON ENERGY SERVICES INC

4 patents

LUO HONGYU

2 patents

IVERSON BENJAMIN J

2 patents

PELLETIER MICHAEL T

1 patent

HALLIBURTON ENERGY SERIVCES IN

1 patent

MUTHUSAMY RAMESH

1 patent