C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/524 (2006.01) C07C 217/00 (2006.01) C09K 8/60 (2006.01) C09K 8/68 (2006.01) E21B 43/00 (2006.01)
Patent
CA 2760235
The present invention provides treatment fluids useful for subterranean operations, and more particularly, in at least one aspect, a treatment fluid that comprises a carrier fluid and a cationic surfactant comprising a cationic head group, a polar group attached to the head group, and a hydrophobic group that is either a saturated or unsaturated, branched or straight chain alkyl, and comprises about 6 carbons to about 22 carbons. The treatment fluids of the present invention are at least suitable for use as a remedial treatment for the reduction of existing water blocks, oil blocks, and/or gas condensates.
Cette invention concerne des fluides de traitement utilisés pour des opérations souterraines ; l'invention concerne plus particulièrement, au moins dans un aspect, un fluide de traitement comprenant un fluide porteur et un tensioactif cationique comportant une tête polaire cationique, un groupe polaire fixé à la tête polaire, et un groupe hydrophobe qui est un groupe alkyle à chaîne linéaire ou ramifié, saturé ou insaturé, et qui comprend d'environ 6 atomes de carbone à environ 22 atomes de carbone. Les fluides de traitement de l'invention sont appropriés notamment pour être utilisés en tant que traitement correctif et servent à réduire des blocs formés par l'eau, l'huile et/ou des condensats gazeux.
Ghosh Anindya
Hall Bobby E.
Norman Lewis R.
Saini Rajesh K.
Halliburton Energy Services Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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