Invert well service fluid and method

Details Invert well service fluid and method Invert well service fluid and method

E - Fixed Constructions

21

B

E21B 43/02 (2006.01) C09K 8/36 (2006.01) C09K 8/565 (2006.01) C09K 8/58 (2006.01) E21B 43/04 (2006.01) E21B 43/22 (2006.01)

Patent

CA 2399906

A well service fluid and method using same for brine-sensitive formations is disclosed. The fluid is an invert oil emulsion comprising heavy, solids-free brine, an oil or synthetic, and sufficient emulsifier to create the emulsion. The fluid has particular applicability in gravel packing a horizontal well.

L'invention concerne un fluide de traitement de puits et un procédé d'utilisation de ce dernier dans les formations sensibles à la saumure. Ledit fluide est une émulsion huileuse inverse comprenant de la saumure lourde exempte de solides, une huile ou un émulsifiant synthétique suffisant pour la création de l'émulsion. Le fluide convient particulièrement au gravillonnage des crépines dans un puits horizontal.

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