Rhodia Operations

Rhodia Chimie

Ifp Energies Nouvelles

Rhodia Limited

Energy Solutions (us) LLC

Rhone-poulenc Chimie

Other

Institut Francais Du Pe'trole

Centre Nationale De La Recherche Scientifique

Khodia Inc.

Centre National De La Recherche Scientifique

Energysolutions, LLC

Mikel Morvan

Max Chabert

Gilles Guerin

Patrick Moreau

Philippe Marion

Olivier Back

Brigitte Bazin

Giles Guerin

Hélène Lannibois-Drean

Manilal S Dahanayake

Arnaud Cadix

David James Wilson

Daniel Joubert

Amit Sehgal

Guillaume Degre

Laurent Taisne

Eloise Chevallier

Vincent Miralles

Remy Leroy

Jerome Bibette

Herve Adam

Marie-Pierre Labeau

Derek Pakenham

Laurent Frouin

Mathieu Joanicot

Gilda Maria Lizarraga

Shiming Wo

Jean-Francois Colombet

Sophie Vaslin

Rémy Leroy

Pascal Pitiot

Denis Bendejacq

Ling Qi

Jean-Paul Chapel

Jon D Kiplinger

Ruela Talingting-Pabalan

Sophie Deroo

Loïc Baussaron

Christine Vidil

John Marshall Baker

Bruno Tolla

H&eacute;l&egrave;ne Lannibois-Drean

Marie-Madeleine Vincent

Roberto Company

Kazuhiko Yokota

Céleste Odier

Aymerick Le Bris

Daniel Aubert

David-James Wilson

J&eacute;rome Bibette

Pascal Taquet

Rene Tabary

David Sorin

Jean-François Berret

Olivier Theodoly

Jean-Francois Berret

Hélène Lannibois Drean

A surfactant package may include an alpha olefin sulfonate primary surfactant; a betaine or sultaine co-surfactant; water; and optionally one or more solvents and/or co-solvents. A well treatment fluid may include an aqueous fluid, the surfactant package, and a friction reducer. A method of treating a portion of a subterranean formation may include introducing the well treatment fluid into a portion of the subterranean formation. A method of altering the wettability of a reservoir rock in a subterranean formation may include introducing a well treatment comprising the surfactant package into a portion of the subterranean formation.

Synergistic combination of surfactants with friction reducers

The present invention relates to compositions for enhanced oil recovery, comprising:

Sulphonated internal ketone-based formulations for assisted recovery of oil

The invention relates to a composition which comprises within an aqueous medium: —at least one ethoxylated alkylamine; and—at least one amphoteric or zwitterionic surfactant. The invention further relates to the use of said compositions as foaming compositions, in particular for EOR (enhanced oil recovery).

Foaming formulations for enhanced oil recovery

The invention relates to a composition C which comprises, in an aqueous medium M: The invention further relates to the use of these compositions as foaming compositions for EOR.

Foaming compositions for enhanced oil recovery

The present invention relates to the preparation of polymers that are of use in particular as a rheology agent, and are suitable for use in very concentrated saline media, which comprises a step of micellar radical polymerization in which are brought into contact, in an aqueous medium: &#x2014;hydrophilic monomers; &#x2014;hydrophobic monomers in the form of a micellar solution, containing micelles comprising these hydrophobic monomers; &#x2014;a radical polymerization initiator; and &#x2014;preferably an agent for controlling radical polymerization, wherein said micelles comprise at least one surfactant of amphoteric nature. The polymers obtained according to the invention are in particular of use for enhanced oil recovery.

Amphiphilic block polymers soluble in strongly saline medium

Compositions suitable for enhanced oil recovery comprising a) a mixture of &#x3b1;-sulfocarbonyl compounds of formulae (1) and (2) in a mixture ratio (1) to (2) of from 1:99 to 99:1 wherein R, Rand R, which may be the same or different at each occurrence, are hydrogen or a linear or branched alkyl chain having 1 to 20 carbon atoms, Rand R, which may be the same or different at each occurrence, may be a linear or branched alkyl group having 4 to 24 carbon atoms and in which the alkyl chain may comprise one or more cycloaliphatic groups, and X is H or a metal forming a salt with the sulfonate group, and b) a salt containing aqueous solution.

Formulations for enhanced oil recovery comprising sulfonates

An aqueous formulation for enhanced oil recovery may include at least one surfactant and at least one associative polymer. The associative polymer may be obtained by micellar radical polymerization by bringing into contact, in an aqueous medium, hydrophilic monomer dissolved in the aqueous medium, hydrophobic monomers in the form of a micellar solution, at least one radical polymerization initiator, and preferably at least one radical polymerization control agent.

Aqueous formulations of surfactants and associative polymers for the assisted recovery of petroleum

The instant invention relates to surfactants having the following formula (I) wherein: each of Rand Ris a linear or branched, saturated or unsaturated, hydrocarbon chain, each of Rand Ris a alkyl chain having 1 to 10 carbon atoms, each of (E) and (E) is a divalent hydrocarbon radical, A is: a group a carboxylate group &#x2014;COO(optionally in all or part in the form &#x2014;COOH); or a sulfonate group &#x2014;SO(optionally in all or part in the form &#x2014;SOH). The invention also relate to the preparation of these surfactants and their use in oil extraction, especially in EOR applications. 

Zwitterionic surfactants suitable for enhanced oil recovery

Compositions suitable for enhanced oil recovery comprising a) a mixture of a-sulfocarbonyl compounds of formula (1) and (2) in a mixture ratio (1) to (2) of from 1:99 to 99:1 wherein R, Rand R, which may be the same or different at each occurrence, are hydrogen or a linear or branched alkyl chain having 1 to 20 carbon atoms, Rand R, which may be the same or different at each occurrence, may be a linear or branched alkyl group having 4 to 24 carbon atoms and in which the alkyl chain may comprise one or more cycloaliphatic groups, and X is H or a metal forming a salt with the sulfonate group, and b) a salt containing aqueous solution. 

The invention relates to the use of at least one compound corresponding to the formula below:R&#x2014;O&#x2014;(&#x2014;CH&#x2014;CH(&#x2014;CH)&#x2014;O&#x2014;)&#x2014;(&#x2014;CH&#x2014;CH&#x2014;O&#x2014;)&#x2014;Hin which:

Ethoxylated desorbing agents for enhanced oil recovery

The present invention relates to the use of an aminosulphonate compound corresponding to the following formula (I): RRN&#x2014;CHR&#x2014;CHR&#x2014;CHR&#x2014;SO(I) where: &#x2022;Ris a preferably Cto Calkyl or alkylamido radical; &#x2022;Ris an optionally hydroxylated alkyl radical; &#x2022;R, Rand Rare, independently of one another, H or OH; it being understood that at least one of the R, Rand/or Rgroups is OH, for stabilizing a foam, in particular a foam used to extract hydrocarbons in an underground formation.

Aminosulphonate foam stabilizers

The inhibition of anionic surfactant retention phenomena in an oil reservoir, especially in a carbonate-based or argillaceous reservoir, by the use of at least one compound corresponding to the formula R&#x2014;O-(A)m-H, in which R is a hydrocarbon-based group comprising from 6 to 40 carbon atoms, A is a hexose or pentose unit, and m is a non-zero number ranging from 1 to 10, is described herein.

Alkyl polyglucoside desorbents for enhanced oil recovery

Provided is a process of enhanced oil recovery from an oil reservoir of an underground formation by using a compound of formula (I) to inhibit the phenomena of retention of anionic surfactants within an oil-bearing reservoir, such as a carbonate or clay reservoir: R&#x2014;O&#x2014;(&#x2014;CH&#x2014;CH(&#x2014;CH)&#x2014;O&#x2014;)&#x2014;(&#x2014;CH&#x2014;CH&#x2014;O&#x2014;)&#x2014;H, wherein: R is a hydrocarbon-based group comprising from 6 to 40 carbons; m ranges from 0 to 20; n is greater than m and ranges from 5 to 40.

Desorbants for enhanced oil recovery

The present invention relates to a method for the enhanced recovery of oil from an underground formation, in which a viscoelastic aqueous fluid comprising at least one viscosifying zwitterionic surfactant is injected into the said formation and the said fluid is conducted through this formation in order to displace the oil from the formation and to recover it via a different point from that where the viscoelastic aqueous fluid was introduced, characterized in that the said fluid exhibits an amount of a base sufficient to bring its pH to a value of greater than 10, preferably of between approximately 11 and 13.

Viscoelastic composition with improved stability

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Pessac, France

Mikel Morvan