|
US4018278A
(en)
*
|
1974-11-25 |
1977-04-19 |
Texaco Inc. |
Surfactant oil recovery process usable in high temperature formations
|
|
US4142582A
(en)
*
|
1975-06-30 |
1979-03-06 |
Texaco Inc. |
Chrome lignosulfonates as additives in oil recovery processes involving chemical recovery agents
|
|
US4108193A
(en)
*
|
1976-03-08 |
1978-08-22 |
Texaco Inc. |
Pipeline method for transporting viscous hydrocarbons
|
|
US4099537A
(en)
*
|
1976-03-08 |
1978-07-11 |
Texaco Inc. |
Method for transportation of viscous hydrocarbons by pipeline
|
|
US4143716A
(en)
*
|
1976-08-30 |
1979-03-13 |
Texaco Inc. |
Tertiary oil recovery process utilizing a preflush
|
|
US4340492A
(en)
*
|
1976-11-26 |
1982-07-20 |
Mobil Oil Corporation |
Oil recovery by surfactant waterflooding
|
|
US4077471A
(en)
*
|
1976-12-01 |
1978-03-07 |
Texaco Inc. |
Surfactant oil recovery process usable in high temperature, high salinity formations
|
|
US4066124A
(en)
*
|
1976-12-01 |
1978-01-03 |
Texaco Inc. |
Salinity tolerant surfactant oil recovery process
|
|
US4318816A
(en)
*
|
1977-03-10 |
1982-03-09 |
Texaco Inc. |
Surfactant waterflooding enhanced oil recovery method using stabilized surfactant solution
|
|
US4105570A
(en)
*
|
1977-03-29 |
1978-08-08 |
Mobil Oil Corporation |
Oil recovery by surfactant waterflooding
|
|
US4138345A
(en)
*
|
1977-04-06 |
1979-02-06 |
Mobil Oil Corporation |
Oil recovery by surfactant waterflooding
|
|
US4216097A
(en)
*
|
1977-07-15 |
1980-08-05 |
Mobil Oil Corporation |
Waterflooding employing amphoteric surfactants
|
|
US4120800A
(en)
*
|
1977-08-25 |
1978-10-17 |
Standard Oil Company |
Oil recovery and mobility control using succinamate surfactant systems
|
|
US4122020A
(en)
*
|
1977-08-25 |
1978-10-24 |
Standard Oil Company |
Oil recovery and mobility control using succinate surfactant systems
|
|
US4187073A
(en)
*
|
1977-12-09 |
1980-02-05 |
Texaco Inc. |
Surfactant flooding oil recovery process
|
|
US4181178A
(en)
*
|
1977-12-12 |
1980-01-01 |
Mobil Oil Corporation |
Oil recovery by waterflooding with thickened surfactant solutions
|
|
US4720348A
(en)
*
|
1977-12-12 |
1988-01-19 |
Mobil Oil Corporation |
Waterflooding employing thickened surfactant solutions
|
|
US4165785A
(en)
*
|
1977-12-22 |
1979-08-28 |
Texaco Inc. |
Surfactant water flooding oil recovery process
|
|
US4161982A
(en)
*
|
1977-12-22 |
1979-07-24 |
Texaco Inc. |
High conformance enhanced oil recovery process
|
|
US4166038A
(en)
*
|
1977-12-29 |
1979-08-28 |
Mobil Oil Corporation |
Surfactant waterflooding employing amphoteric sulfonium sulfonates
|
|
DE2805341A1
(de)
*
|
1978-02-09 |
1979-08-23 |
Texaco Development Corp |
Verfahren zum gewinnen von erdoel unter verwendung von tensiden und flutmedium
|
|
US4159037A
(en)
*
|
1978-05-01 |
1979-06-26 |
Texaco Inc. |
High conformance oil recovery process
|
|
US4270607A
(en)
*
|
1978-05-01 |
1981-06-02 |
Texaco Inc. |
Emulsion oil recovery process usable in high temperature, high salinity formations
|
|
US4269271A
(en)
*
|
1978-05-01 |
1981-05-26 |
Texaco Inc. |
Emulsion oil recovery process usable in high temperature, high salinity formations
|
|
US4203491A
(en)
*
|
1978-09-05 |
1980-05-20 |
Shell Oil Company |
Chemical flood oil recovery with highly saline reservoir water
|
|
US4217957A
(en)
*
|
1978-10-10 |
1980-08-19 |
Texaco Inc. |
Oil recovery method
|
|
US4194564A
(en)
*
|
1978-10-10 |
1980-03-25 |
Texaco Inc. |
Oil recovery method
|
|
US4331543A
(en)
*
|
1978-10-16 |
1982-05-25 |
Mobil Oil Corporation |
Method of retarding degradation of surfactants employed in waterflooding
|
|
US4253974A
(en)
*
|
1978-10-26 |
1981-03-03 |
Standard Oil Company (Indiana) |
Oil recovery and mobility control in surfactant systems using the reaction product of an alkenyl succinic anhydride and a tertiary amine
|
|
US4235290A
(en)
*
|
1978-12-11 |
1980-11-25 |
Texaco Inc. |
Lignosulfonates as additives in oil recovery processes involving chemical recovery agents
|
|
US4220204A
(en)
*
|
1979-04-18 |
1980-09-02 |
Texaco Inc. |
Oil recovery method utilizing a dialkyl phenol polyethoxy alkyl sulfonate as a solubilizing co-surfactant
|
|
US4271907A
(en)
*
|
1979-07-02 |
1981-06-09 |
Exxon Production Research Company |
Microemulsions which compatibly incorporate viscosifiers and their use in enhanced oil recovery
|
|
US4460481A
(en)
*
|
1980-09-29 |
1984-07-17 |
Texaco Inc. |
Surfactant waterflooding enhanced oil recovery process
|
|
US4643253A
(en)
*
|
1980-10-29 |
1987-02-17 |
Ethyl Corporation |
Oil recovery process
|
|
US4421168A
(en)
*
|
1980-11-10 |
1983-12-20 |
Mobil Oil Corporation |
Surfactant waterflooding with graded salinity drive for oil recovery
|
|
US4629000A
(en)
*
|
1980-12-30 |
1986-12-16 |
Mobil Oil Corporation |
Oil recovery by surfactant-alcohol waterflooding
|
|
US4463806A
(en)
*
|
1980-12-30 |
1984-08-07 |
Mobil Oil Corporation |
Method for surfactant waterflooding in a high brine environment
|
|
US4374740A
(en)
*
|
1981-01-16 |
1983-02-22 |
Mobil Oil Corporation |
Water soluble surfactant mobility control agent in oil recovery
|
|
US4451623A
(en)
*
|
1981-01-16 |
1984-05-29 |
Mobil Oil Corporation |
Water soluble phenolic-formaldehyde polymer which is a surfactant mobility control agent in oil recovery
|
|
US4468342A
(en)
*
|
1981-10-13 |
1984-08-28 |
Mobil Oil Corporation |
Blends of surfactant homologues adjusted to salinity during waterflooding
|
|
US4455254A
(en)
*
|
1982-03-17 |
1984-06-19 |
Phillips Petroleum Company |
Cyanohydrocarbyl substituted sulfonates and their use in post primary oil recovery
|
|
US4455255A
(en)
*
|
1982-04-26 |
1984-06-19 |
Phillips Petroleum Company |
Cyanohydrocarbylated alkoxylates and glycerides
|
|
USRE32289E
(en)
*
|
1982-04-26 |
1986-11-18 |
Phillips Petroleum Company |
Cyanohydrocarbylated alkoxylates and glycerides
|
|
US4469604A
(en)
*
|
1982-05-25 |
1984-09-04 |
Phillips Petroleum Company |
Sulfonated phenolic material and its use in post primary oil recovery
|
|
US4632786A
(en)
*
|
1982-05-25 |
1986-12-30 |
Phillips Petroleum Company |
Sulfomethylated phenolic material useful in post primary oil recovery
|
|
US4465602A
(en)
*
|
1982-06-11 |
1984-08-14 |
Texaco Inc. |
Oil recovery method utilizing an alkylarylpolyalkoxyalkylene sulfonate
|
|
US4466891A
(en)
*
|
1982-07-02 |
1984-08-21 |
Texaco Inc. |
Glyceryl ether sulfonates for use in oil recovery fluids and processes
|
|
US4545912A
(en)
*
|
1982-08-31 |
1985-10-08 |
Mobil Oil Corporation |
Two-tailed surfactants having one aromatic containing tail and their use in chemical waterflooding
|
|
US4507211A
(en)
*
|
1982-09-24 |
1985-03-26 |
Texaco, Inc. |
Oil recovery method utilizing an alkylphenyl ether propane sulfonate
|
|
DE3347578A1
(de)
*
|
1983-12-30 |
1985-07-11 |
Hoechst Ag, 6230 Frankfurt |
Tributylphenoletherglycidylsulfonate, verfahren zu deren herstellung und deren verwendung
|
|
FR2574470A1
(fr)
*
|
1984-12-06 |
1986-06-13 |
Exxon Production Research Co |
Procede de recuperation assistee de petrole dans un intervalle de fortes et faibles salinites, utilisant des surfactants propoxyles
|
|
JPS61136577A
(ja)
*
|
1984-12-06 |
1986-06-24 |
Lion Corp |
石油回収用流体
|
|
US4590996A
(en)
*
|
1984-12-13 |
1986-05-27 |
Mobil Oil Corporation |
Use of polyalkoxy sulfonate surfactants for inhibition of scale formation
|
|
EP0264867B1
(de)
*
|
1986-10-24 |
1990-12-27 |
Hoechst Aktiengesellschaft |
Styrylaryloxy-ethersulfonate, Verfahren zu deren Herstellung und deren Verwendung bei der Erdölförderung
|
|
US4836283A
(en)
*
|
1988-06-08 |
1989-06-06 |
The Standard Oil Company |
Divalent ion tolerant aromatic sulfonates
|
|
US5046560A
(en)
*
|
1988-06-10 |
1991-09-10 |
Exxon Production Research Company |
Oil recovery process using arkyl aryl polyalkoxyol sulfonate surfactants as mobility control agents
|
|
US5282984A
(en)
*
|
1990-06-25 |
1994-02-01 |
Texaco Inc. |
Generating bitumen-in-water dispersions and emulsions
|
|
US5311943A
(en)
*
|
1992-10-19 |
1994-05-17 |
Shell Oil Company |
Blends of propoxy and ethoxy surfactants
|
|
US6305472B2
(en)
|
1998-11-20 |
2001-10-23 |
Texaco Inc. |
Chemically assisted thermal flood process
|
|
US20080261835A1
(en)
*
|
2007-04-23 |
2008-10-23 |
Paul Daniel Berger |
Surfactant based compositions and process for heavy oil recovery
|
|
US20090078414A1
(en)
*
|
2007-09-25 |
2009-03-26 |
Schlumberger Technology Corp. |
Chemically enhanced thermal recovery of heavy oil
|
|
US20090194281A1
(en)
*
|
2008-01-31 |
2009-08-06 |
Total E&P Usa, Inc. |
Optimum salinity profile in surfactant/polymer flooding
|
|
US20090194276A1
(en)
*
|
2008-01-31 |
2009-08-06 |
Total E&P Usa, Inc. |
Determination of an actual optimum salinity and an actual optimum type of microemulsion for surfactant/polymer flooding
|
|
US9109443B2
(en)
*
|
2010-12-20 |
2015-08-18 |
Intevep, S.A. |
Formulation and method of use for exploitation of heavy and extra heavy oil wells
|
|
EP2694616A4
(en)
|
2011-04-05 |
2014-09-03 |
Montgomery Chemicals Llc |
PROCESS AND COMPOSITIONS FOR ASSISTED OIL RECOVERY
|
|
US9663703B2
(en)
|
2014-04-25 |
2017-05-30 |
James George Clements |
Method and compositions for enhanced oil recovery
|
|
US9828815B2
(en)
*
|
2014-09-11 |
2017-11-28 |
Baker Hughes, A Ge Company, Llc |
Foamed fluid compositions having high salinity using anionic surfactants and methods therefor
|
|
US11661543B2
(en)
*
|
2021-02-04 |
2023-05-30 |
Baker Hughes Oilfield Operations Llc |
Injection well cleaning fluids and related methods
|