Y10S507/936 - CPC Classification Index

ClassID:

242556 ⎘

Y10S507/936 - CPC Classification

Classification description:

Earth boring, well treating, and oil field chemistry; Enhanced oil recovery Flooding the formation

Sub-classes:

Y10S507/937 » with emulsion 5

Recent Application in this class:

20170226408

2017-08-10

Flooding operations employing chlorine dioxide

20140311734

2014-10-23

Flooding operations employing chlorine dioxide

20140020899

2014-01-23

Flooding operations employing chlorine dioxide

20140014349

2014-01-16

Fracturing operations employing chlorine dioxide

20120111562

2012-05-10

Viscoelastic composition with improved viscosity

20120085555

2012-04-12

Hydrocarbon recovery process

20120012311

2012-01-19

Surfactant mixtures for tertiary oil recovery

20110118154

2011-05-19

Method of making a synthetic alkylaryl sulfonate

20100006283

2010-01-14

Hydrocarbon recovery process

#10

20090305925

2009-12-10

Utilization of an anhydride as a demulsifier and a solvent for demulsifier formulations

#11

20090036332

2009-02-05

Composition and process for enhanced oil recovery

#12

20080194435

2008-08-14

Surfactant mixtures for tertiary oil recovery

#13

20070142235

2007-06-21

Process for oil recovery using surfactant gels

#14

20050224230

2005-10-13

Composition and process for enhanced oil recovery