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1. (WO1979000701) IMPROVED PETROLEUM SULFONATES
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1979/000701 International Application No.: PCT/US1979/000120
Publication Date: 20.09.1979 International Filing Date: 02.03.1979
IPC:
C09K 8/584 (2006.01)
C CHEMISTRY; METALLURGY
09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
K
MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
8
Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
58
Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
584
characterised by the use of specific surfactants
Applicants:
Inventors:
Priority Data:
88312803.03.1978US
Title (EN) IMPROVED PETROLEUM SULFONATES
(FR) SULFONATES DE PETROLE AMELIORES
Abstract:
(EN) Petroleum sulfonates yielding improved results in enhanced oil recover processes are comprised of a reaction product obtained from a mixture of a major proportion of a petroleum oil feed stock, such as a crude or a portion thereof, and a minor proportion of an additive, such as an oxygenated hydrocarbon, i.e., an oxo-alcohol or the like, reacted with SO3 under sulfonation conditions, mixed with about 0.50 to 20% (by reaction mixture weight) of water at the temperature in the range of about 50 to 150 C. for a relatively brief period of time and then neutralizing the resultant material with a base, such as NaOH. The neutralized petroleum sulfonated material thus obtained, which may or may not be extracted to remove unsulfonated organic material or salts, is then formulated into a slug for injection into an oil field for enhanced oil recovery.
(FR) Les sulfonates de petrole produisant de meilleurs resultats dans les procedes ameliores de recuperation du petrole comprennent un produit de reaction obtenu a partir d"un melange d"une proportion majeure d"une reserve d"alimentation en huile de petrole, tel que du brut, ou une partie en brut, et d"une proportion mineure d"un additif, tel qu"un hydrocarbure oxygene, par exemple, un oxo-alcool ou autre, que l"on fait reagir avec SO3 dans des conditions de sulfonation, qui est melange avec environ 0,5 a 20% (en poids de melange de reaction) d"eau a une temperature se situant dans une plage comprise entre 50 et 150 C environ pendant une periode de temps relativement courte, le materiau resultant etant neutralise avec une base, telle que NaOH. Le materiau neutralise a base de petrole sulfone ainsi obtenu, dont on a eventuellement extrait les materiaux organiques non sulfones ou les sels, est ensuite mis sous forme d"une composition visqueuse pour etre injecte dans un puits de petrole en vue d"ameliorer la recuperation du petrole.
Designated States:
Publication Language: English (EN)
Filing Language: English (EN)