Methods for forming a permeable and stable mass in a subterranean formation
AssigneeHalliburton Energy Services, Inc.
InventorsRonald Powell, Alexander Bismarck, Angelika Menner
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Abstract
This invention relates to subterranean treatment operations. More particularly, this invention provides methods that may be useful in providing void-free barriers between a subterranean formation and a portion of a well bore. A nonlimiting example of a method is a method of degrading a filter cake in a subterranean formation. Another nonlimiting example of a method is a method of producing hydrocarbons from a subterranean formation.
Claims20
A method comprising:
- providing a composition that comprises a water-in-oil emulsion, the water-in-oil emulsion comprising a continuous organic phase and an internal aqueous phase, the continuous organic phase comprising a surfactant, an initiator, a crosslinking monomer and a stress-reducing monomer;
- placing the composition in a subterranean formation;
- and
- permitting the composition to form a permeable, substantially solid material therein.
A method of degrading a filter cake in a subterranean formation comprising:
- providing a portion of a subterranean formation comprising a filter cake disposed thereon;
- providing a conduit having a degradable material disposed along its length;
- placing the conduit within the formation;
- permitting the degradable material to degrade to form a degradation product;
- permitting the degradation product to contact the filter cake;
- and
- permitting the filter cake to degrade.
A method of producing hydrocarbons from a subterranean formation comprising:
- providing a portion of a subterranean formation comprising a filter cake disposed thereon;
- providing a conduit having a degradable material disposed along its length;
- placing the conduit within the formation;
- providing a composition that comprises a water-in-oil emulsion, the water-in-oil emulsion comprising a continuous organic phase and an internal aqueous phase, the continuous organic phase comprising a surfactant, an initiator, a crosslinking monomer and a stress-reducing monomer;
- circulating the composition into the formation such that the composition is disposed between the filter cake and the degradable material;
- permitting the degradable material to degrade to form a degradation product;
- permitting the degradation product to contact the filter cake;
- permitting the filter cake to degrade;
- and
- permitting hydrocarbons within the formation to flow through the composition, into the conduit, to the surface.
Dependencies are inferred from the claim text.