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AssigneeHalliburton Energy Services, Inc.
InventorsMatthew Blauch, David Ritter, Sanjay Vitthal, R. Donaldson
Estimating the term…
Wellbore servicing fluids and methods of using the same to service a wellbore in a subterranean formation are provided. A filter cake in the wellbore is contacted with the gravel packing fluid, which comprises an oil-soluble additive capable of removing the filter cake. The additive undergoes hydrolysis to produce an acid upon contacting water provided from, for example, water in the wellbore servicing fluid, connate water in the subterranean formation, water in the filter cake, water produced by the subterranean formation, water pumped into the wellbore, or combinations thereof. The acid dissolves particulates in the filter cake in situ. In an embodiment in which the wellbore servicing fluid serves as a gravel packing fluid, the fluid also deposits gravel along the face of the subterranean formation, forming a barrier against the migration of sand from the formation and into the wellbore.
A wellbore servicing fluid comprising a filter cake removal additive, wherein the additive removes a filter cake from a face of a wellbore in a subterranean formation.
A wellbore service fluid in contact with a filter cake in a wellbore, wherein an additive in the wellbore service fluid dissolves one or more particulates in the filter cake in situ.
A wellbore service fluid in contact with a reversible emulsion drilling fluid filter cake in a wellbore, wherein an additive in the wellbore service fluid undergoes hydrolysis to form an acid and the acid converts a water-in-oil emulsion in the filter cake to an oil-in-water emulsion.
Dependencies are inferred from the claim text.