Methods for manipulation of the flow of fluids in...

Details Methods for manipulation of the flow of fluids in... Methods for manipulation of the flow of fluids in...

E - Fixed Constructions

21

B

E21B 43/32 (2006.01) C09K 8/60 (2006.01) E21B 43/12 (2006.01)

Patent

CA 2704767

A method of treating a subterranean formation penetrated by a wellbore to mitigate the production of unwanted fluids from the wellbore is carried out by forming a treatment fluid containing at least one of an oil-wetting or water-repelling surfactant and a carrier fluid. The treatment fluid is then introduced into the wellbore. The treatment or treatments may be performed remedially or prophylacticaly. The treatment may include the completion and production of zones containing the undesirable fluid(s) and the deliberate formation of cones therein.

L'invention concerne un procédé de traitement d'une formation souterraine pénétrée par un puits de forage pour atténuer la production de fluides non voulus du puits, qui consiste à former un fluide de traitement contenant au moins un tensio-actif mouillant huileux ou hydrophobe et un fluide porteur. Le fluide de traitement est alors introduit dans le puits de forage. Le ou les traitements peuvent être exécutés comme remède ou à titre préventif. Le traitement peut comporter l'achèvement et la production de zones contenant un ou plusieurs fluides non voulus et la formation de cônes dans ces zones.

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