ClassID:

242545

Y10S507/925 - CPC Classification

Classification description:

Earth boring, well treating, and oil field chemistry Completion or workover fluid

Recent Application in this class:
#1
20150184062
2015-07-02

Methods of using invert emulsion fluids with high internal phase concentration

#2
20120267101
2012-10-25

Application of degradable polymers in sand control

#3
20120067575
2012-03-22

Methods of using invert emulsion fluids with high internal phase concentration

#4
20110265985
2011-11-03

System and method for low damage gravel packing

#5
20110190530
2011-08-04

Polycationic viscoelastic compositions

#6
20110114312
2011-05-19

Method of forming self-diverting high-rate water packs

#7
20110036573
2011-02-17

Methods for swelling swellable elements in a portion of a well using a water-in-oil emulsion

#8
20110036572
2011-02-17

Methods for swelling swellable elements in a portion of a well using an oil-in-water emulsion

#9
20100311622
2010-12-09

Polycationic viscoelastic compositions

#10
20100243250
2010-09-30

Method and composition comprising at least three different average particle volume particulates for low damage gravel packing

#11
20100084134
2010-04-08

Fracturing method and apparatus utilizing gelled isolation fluid

#12
20100016182
2010-01-21

Method of treating a well with a gel stabilizer

#13
20090194288
2009-08-06

Subterranean treatment fluids with enhanced particulate transport or suspension capabilities and associated methods

#14
20090025932
2009-01-29

System and method for low damage gravel packing

#15
20080255009
2008-10-16

Polycationic viscoelastic compositions

#16
20080248977
2008-10-09

Polycationic viscoelastic compositions

#17
20080248976
2008-10-09

Polycationic viscoelastic compositions

#18
20080210424
2008-09-04

Apparatus and Method of Fracturing

#19
20080115932
2008-05-22

Method and apparatus for delayed flow or pressure change in wells

#20
20080085843
2008-04-10

Method of treating a subterranean formation with an oil-based composition containing a polysaccharide-based water-superabsorbent material

#21
20080015120
2008-01-17

Application of degradable polymers in sand control

#22
20070225175
2007-09-27

Application of degradable polymers in well fluids

#23
20070017676
2007-01-25

Methods for wellbore strengthening and controlling fluid circulation loss

#24
20060272815
2006-12-07

Invert emulsion carrier fluid and oil-wetting agent and method of using same

#25
20060260810
2006-11-23

Methods of modifying fracture faces and other surfaces in subterranean formations

#26
20060258547
2006-11-16

Zeolite-containing remedial compositions

#27
20060231251
2006-10-19

Well fluids and methods of use in subterranean formations

#28
20060211580
2006-09-21

Well treating compositions containing water superabsorbent material and method of using the same

#29
20060196661
2006-09-07

Methods relating to maintaining the structural integrity of deviated well bores

#30
20060090896
2006-05-04

Foamed completion fluids and methods

#31
20050239663
2005-10-27

Inhibitive water-based drilling fluid system and method for drilling sands and other water-sensitive formations

#32
20050194144
2005-09-08

Well fluids and methods of use in subterranean formations

#33
20050189111
2005-09-01

Optimized hydrocarbon blends and methods of using optimized hydrocarbon blends

#34
20050161262
2005-07-28

Variable density treatment fluids and methods of using such fluids in subterranean formations

#35
20050072599
2005-04-07

Zeolite-containing remedial compositions