Inventor
HUTCHINS RICHARD D
US49 patents
⚠️ This page may combine multiple inventors who share the name “HUTCHINS RICHARD D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNION OIL CO
27 patentsUS5246073ASep 21, 1993
High temperature stable gels
UNION OIL CO166 citations99
US5203834AApr 20, 1993
Foamed gels having selective permeability
UNION OIL CO130 citations98
US5246860ASep 21, 1993
Tracer chemicals for use in monitoring subterranean fluids
UNION OIL CO125 citations97
US5617920AApr 8, 1997
Method for modifying gelation time of organically crosslinked, aqueous gels
UNION OIL CO74 citations96
US5486312AJan 23, 1996
High temperature stable gels
UNION OIL CO58 citations96
US5268112ADec 7, 1993
Gel-forming composition
UNION OIL CO55 citations96
US5161615ANov 10, 1992
Method for reducing water production from wells
UNION OIL CO101 citations96
US4694906ASep 22, 1987
Method for emplacement of a gelatinous foam in gas flooding enhanced recovery
UNION OIL CO83 citations96
US4413680ANov 8, 1983
Permeability reduction in subterranean reservoirs
UNION OIL CO90 citations96
US5291949AMar 8, 1994
Method for inhibiting caustic flood breakthrough
UNION OIL CO33 citations93
US5244042ASep 14, 1993
Lanthanide-crosslinked polymers for subterranean injection
UNION OIL CO50 citations93
US5211858AMay 18, 1993
Lanthanide-crosslinked polymers for subterranean fluid containment
UNION OIL CO22 citations93
US5125456AJun 30, 1992
Composition for selectively reducing subterranean formation permeability
UNION OIL CO42 citations93
US5111886AMay 12, 1992
Crosslinked hydroxyethylcellulose and its uses
UNION OIL CO23 citations93
US4534412AAug 13, 1985
Continuous permeability reduction in subterranean reservoirs
UNION OIL CO40 citations93
US5957203ASep 28, 1999
Ultra-high temperature stable gels
UNION OIL CO20 citations92
US5762141AJun 9, 1998
Ultra-high temperature stable gels
UNION OIL CO35 citations92
US5335733AAug 9, 1994
Method for delaying gelation of a gelable polymer composition injected into a subterranean formation
UNION OIL CO43 citations92
US5247993ASep 28, 1993
Enhanced imbibition oil recovery process
UNION OIL CO90 citations92
US5145012ASep 8, 1992
Method for selectively reducing subterranean water permeability
UNION OIL CO33 citations92
US5139087AAug 18, 1992
Method for ensuring injectivity of polymer solutions
UNION OIL CO18 citations82
US5418217AMay 23, 1995
Composition for selectively reducing subterranean formation permeability
UNION OIL CO17 citations74
US5263540ANov 23, 1993
Crosslinked hydroxyethylcellulose and its uses
UNION OIL CO17 citations74
US5226480AJul 13, 1993
Recovery system containing lanthanide-crosslinked polymers
UNION OIL CO18 citations74
US5207934AMay 4, 1993
Crosslinked hydroxyethylcellulose and its uses
UNION OIL CO16 citations74
US4783492ANov 8, 1988
Continuous permeability reduction in subterranean reservoirs
UNION OIL CO15 citations74
US5225090AJul 6, 1993
Visible gels prepared using stainless steel as a crosslinking agent
UNION OIL CO6 citations63
SCHLUMBERGER TECHNOLOGY CORP
14 patentsUS6613720B1Sep 2, 2003
Delayed blending of additives in well treatment fluids
SCHLUMBERGER TECHNOLOGY CORP332 citations98
US7398829B2Jul 15, 2008
Methods of limiting leak off and damage in hydraulic fractures
SCHLUMBERGER TECHNOLOGY CORP36 citations96
US6011075AJan 4, 2000
Enhancing gel strength
SCHLUMBERGER TECHNOLOGY CORP85 citations96
US8003577B2Aug 23, 2011
Method of treating subterranean formation with crosslinked polymer fluid
SCHLUMBERGER TECHNOLOGY CORP32 citations92
US7779915B2Aug 24, 2010
Methods of limiting leak off and damage in hydraulic fractures
SCHLUMBERGER TECHNOLOGY CORP30 citations91
US7287593B2Oct 30, 2007
Methods of fracturing formations using quaternary amine salts as viscosifiers
SCHLUMBERGER TECHNOLOGY CORP35 citations91
US9796490B2Oct 24, 2017
Aqueous solution and method for use thereof
SCHLUMBERGER TECHNOLOGY CORP7 citations84
US7971644B2Jul 5, 2011
Fluid loss additive and breaking agent
SCHLUMBERGER TECHNOLOGY CORP11 citations83
US9790775B2Oct 17, 2017
Stimulation with natural gas
SCHLUMBERGER TECHNOLOGY CORP11 citations80
US9803130B2Oct 31, 2017
Methods of activating enzyme breakers
SCHLUMBERGER TECHNOLOGY CORP2 citations72
US8361936B2Jan 29, 2013
Treatment fluid with non-symmetrical peroxide breaker and method
SCHLUMBERGER TECHNOLOGY CORP6 citations71
US7775282B2Aug 17, 2010
Methods of limiting leak off and damage in hydraulic fractures
SCHLUMBERGER TECHNOLOGY CORP3 citations63
US7987910B2Aug 2, 2011
Methods for manipulation of the flow of fluids in subterranean formations
SCHLUMBERGER TECHNOLOGY CORP2 citations62
US7832478B2Nov 16, 2010
Methods for manipulation of air flow into aquifers
SCHLUMBERGER TECHNOLOGY CORP0 citations52
HUTCHINS RICHARD D
5 patentsUS8207094B2Jun 26, 2012
Wellbore treatment compositions containing foam extenders and methods of use thereof
HUTCHINS RICHARD D22 citations90
US8066073B2Nov 29, 2011
Methods of limiting leak off and damage in hydraulic fractures
HUTCHINS RICHARD D8 citations83
US8291978B2Oct 23, 2012
Methods of limiting leak off and damage in hydraulic fractures
HUTCHINS RICHARD D5 citations73
US9139759B2Sep 22, 2015
Method of treating a subterranean formation with combined breaker and fluid loss additive
HUTCHINS RICHARD D0 citations49
US9790419B2Oct 17, 2017
High temperature polymer gels for well treatments and their use
HUTCHINS RICHARD D0 citations44