US3920073A
(en)
*
|
1973-03-26 |
1975-11-18 |
Union Oil Co |
Miscible flooding process
|
US4017405A
(en)
*
|
1973-03-26 |
1977-04-12 |
Union Oil Company Of California |
Soluble oil composition
|
US3858656A
(en)
*
|
1973-12-03 |
1975-01-07 |
Texaco Inc |
Oil recovery process usable in formations containing water having high concentrations of polyvalent ions
|
US3860071A
(en)
*
|
1973-12-26 |
1975-01-14 |
Texaco Inc |
Method for stimulating well production
|
US3860072A
(en)
*
|
1973-12-26 |
1975-01-14 |
Texaco Inc |
Method for oil recovery
|
US4018278A
(en)
*
|
1974-11-25 |
1977-04-19 |
Texaco Inc. |
Surfactant oil recovery process usable in high temperature formations
|
US3990515A
(en)
*
|
1974-12-24 |
1976-11-09 |
Sun Oil Co |
Waterflooding process with recovery of lost surfactant
|
US4008165A
(en)
*
|
1975-03-14 |
1977-02-15 |
Texaco Inc. |
Surfactant oil recovery process usable in high temperature formations having high concentrations of polyvalent ions
|
US4021356A
(en)
*
|
1975-09-10 |
1977-05-03 |
Texaco Inc. |
Alkoxylated asphalts as co-surfactants in surfactant oil recovery processes usable in formations containing water having high concentrations of polyvalent ions such as calcium and magnesium
|
US4016932A
(en)
*
|
1975-12-24 |
1977-04-12 |
Texaco Inc. |
Surfactant oil recovery method for use in high temperature formations containing water having high salinity and hardness
|
US4099537A
(en)
*
|
1976-03-08 |
1978-07-11 |
Texaco Inc. |
Method for transportation of viscous hydrocarbons by pipeline
|
US4108193A
(en)
*
|
1976-03-08 |
1978-08-22 |
Texaco Inc. |
Pipeline method for transporting viscous hydrocarbons
|
US4192755A
(en)
*
|
1976-03-08 |
1980-03-11 |
Texaco Inc. |
Process for recovering hydrocarbons from a hydrocarbon-bearing formation
|
US4340492A
(en)
*
|
1976-11-26 |
1982-07-20 |
Mobil Oil Corporation |
Oil recovery by surfactant waterflooding
|
US4110229A
(en)
*
|
1976-12-01 |
1978-08-29 |
Texaco Inc. |
Salinity tolerant surfactant oil recovery process
|
US4066124A
(en)
*
|
1976-12-01 |
1978-01-03 |
Texaco Inc. |
Salinity tolerant surfactant oil recovery process
|
US4110228A
(en)
*
|
1976-12-01 |
1978-08-29 |
Texaco Inc. |
Salinity tolerant surfactant oil recovery process
|
US4077471A
(en)
*
|
1976-12-01 |
1978-03-07 |
Texaco Inc. |
Surfactant oil recovery process usable in high temperature, high salinity formations
|
US4357281A
(en)
*
|
1978-05-30 |
1982-11-02 |
The Dow Chemical Company |
Alkylated biphenylyl phenyl ether sulfonates
|
US4295980A
(en)
*
|
1978-05-30 |
1981-10-20 |
Conoco Inc. |
Waterflood method
|
US4469608A
(en)
*
|
1978-05-30 |
1984-09-04 |
The Dow Chemical Company |
Surfactant composition containing alkylated biphenylyl phenyl ether sulfonates
|
US4154301A
(en)
*
|
1978-06-29 |
1979-05-15 |
Texaco Inc. |
Surfactant oil recovery process usable in a formation having high salinity connate water
|
US4207946A
(en)
*
|
1978-07-17 |
1980-06-17 |
Texaco Inc. |
Tertiary recovery process
|
US4217957A
(en)
*
|
1978-10-10 |
1980-08-19 |
Texaco Inc. |
Oil recovery method
|
US4277352A
(en)
*
|
1979-03-26 |
1981-07-07 |
Texaco Inc. |
Demulsification of emulsions produced from surfactant recovery operations and recovery of surfactants therefrom
|
US4237018A
(en)
*
|
1979-05-07 |
1980-12-02 |
Texaco Inc. |
Surfactant flooding oil recovery process
|
US4316809A
(en)
*
|
1979-11-13 |
1982-02-23 |
Standard Oil Company (Indiana) |
Micellar fluid for low and high hardness crude oil displacement
|
US4307782A
(en)
*
|
1980-04-30 |
1981-12-29 |
Texaco Inc. |
Surfactant waterflooding oil recovery method
|
US4455254A
(en)
*
|
1982-03-17 |
1984-06-19 |
Phillips Petroleum Company |
Cyanohydrocarbyl substituted sulfonates and their use in post primary oil recovery
|
USRE32289E
(en)
*
|
1982-04-26 |
1986-11-18 |
Phillips Petroleum Company |
Cyanohydrocarbylated alkoxylates and glycerides
|
US4455255A
(en)
*
|
1982-04-26 |
1984-06-19 |
Phillips Petroleum Company |
Cyanohydrocarbylated alkoxylates and glycerides
|
US4632786A
(en)
*
|
1982-05-25 |
1986-12-30 |
Phillips Petroleum Company |
Sulfomethylated phenolic material useful in post primary oil recovery
|
US4469604A
(en)
*
|
1982-05-25 |
1984-09-04 |
Phillips Petroleum Company |
Sulfonated phenolic material and its use in post primary oil recovery
|
US4524002A
(en)
*
|
1983-02-23 |
1985-06-18 |
Gaf Corporation |
Foaming agent
|
US4836283A
(en)
*
|
1988-06-08 |
1989-06-06 |
The Standard Oil Company |
Divalent ion tolerant aromatic sulfonates
|
US4979564A
(en)
*
|
1989-01-31 |
1990-12-25 |
The Standard Oil Company |
Method of enhanced oil recovery using low tension viscous waterflood
|
US6828281B1
(en)
|
2000-06-16 |
2004-12-07 |
Akzo Nobel Surface Chemistry Llc |
Surfactant blends for aqueous solutions useful for improving oil recovery
|
EP2203419A1
(fr)
*
|
2007-10-16 |
2010-07-07 |
Basf Se |
Nouveaux tensioactifs à structure polyéthersulfonate, procédé de production et utilisation desdits tensioactifs pour la récupération tertiaire du pétrole
|
CA2719153C
(fr)
|
2008-04-10 |
2016-06-21 |
Basf Se |
Nouveaux tensioactifs a base d'alcools ramifies, destines a l'exploitation tertiaire de petrole
|
US7985718B2
(en)
*
|
2008-04-21 |
2011-07-26 |
Basf Se |
Use of surfactant mixtures for tertiary mineral oil extraction
|
AR082740A1
(es)
|
2010-08-27 |
2012-12-26 |
Univ Texas |
Tensioactivos de alcoxi carboxilicos, composicion acuosa y eliminacion de material hidrocarbonado
|
EP2694616A4
(fr)
|
2011-04-05 |
2014-09-03 |
Montgomery Chemicals Llc |
Procédé et compositions pour la récupération assistée du pétrole
|
AR090723A1
(es)
|
2012-04-19 |
2014-12-03 |
Univ Texas |
Tensioactivos hidrofobos cortos
|
AR090724A1
(es)
|
2012-04-19 |
2014-12-03 |
Univ Texas |
Tensioactivos de amonio cuaternario hidrofobos de gran tamaño
|
US10221348B2
(en)
|
2012-06-11 |
2019-03-05 |
Basf Se |
Method of recovering oil from a subterranean formation
|
WO2014055213A2
(fr)
|
2012-10-01 |
2014-04-10 |
Huntsman Petrochemical Llc |
Formulation de tensioactif servant à libérer des fluides fossiles souterrains
|
WO2015048131A1
(fr)
*
|
2013-09-26 |
2015-04-02 |
Shell Oil Company |
Composition et procédé destinée à une récupération améliorée d'hydrocarbures
|
US20160230079A1
(en)
*
|
2013-09-26 |
2016-08-11 |
Shell Oil Company |
Composition and method for enhanced hydrocarbon recovery
|
US9663703B2
(en)
|
2014-04-25 |
2017-05-30 |
James George Clements |
Method and compositions for enhanced oil recovery
|
US10899693B2
(en)
|
2015-04-22 |
2021-01-26 |
Board Of Regents, The University Of Texas System |
Alkoxylated co-solvents
|
EP3000862A1
(fr)
*
|
2015-04-24 |
2016-03-30 |
Shell Internationale Research Maatschappij B.V. |
Composition tensioactive et leur utilisation dans l'extraction améliorée du pétrole
|
AR112772A1
(es)
|
2017-07-31 |
2019-12-11 |
Chevron Usa Inc |
Métodos para tratar formaciones subterráneas no convencionales con fluidos de inyección que comprenden surfactantes no iónicos
|
WO2020028567A1
(fr)
|
2018-07-31 |
2020-02-06 |
Chevron U.S.A. Inc. |
Utilisation d'un tampon borate-acide dans des opérations pétrolières et gazières
|
EP3870668A1
(fr)
|
2018-10-22 |
2021-09-01 |
Chevron U.S.A. Inc. |
Ajustement de ph en traitement de fluide
|
US11421150B2
(en)
|
2019-07-07 |
2022-08-23 |
Chevron U.S.A. Inc. |
Methods for improving hydrocarbon production from an unconventional subterranean formation
|
CA3086132A1
(fr)
|
2019-07-07 |
2021-01-07 |
Chevron U.S.A. Inc. |
Compositions et procedes de stimulation avec de la mousse
|
US20220363979A1
(en)
|
2019-10-31 |
2022-11-17 |
Chevron Oronite Company Llc |
Olefin sulfonates
|
EP4051754B1
(fr)
|
2019-10-31 |
2023-11-15 |
Chevron U.S.A. Inc. |
Sulfonates d'oléfine
|
EP4051756B1
(fr)
|
2019-10-31 |
2023-11-15 |
Chevron U.S.A. Inc. |
Sulfonates d'oléfine
|
CA3102634A1
(fr)
|
2019-12-14 |
2021-06-14 |
Chevron U.S.A. Inc. |
Compositions et methodes pour decomposer des mousses et des emulsions
|