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US 2026/0139182 A1Published application
Filter cake removal compositions and related wellbore methods
AssigneeHalliburton Energy Services, Inc.
InventorsRavikant S. Belakshe, Sumit Ramesh Songire, Sunita Sameer Kadam, Pratiksha Sharma
Life of this patent
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Abstract
Compositions and methods for removing a filter cake from a wellbore may use a breaker that comprises an ester-based acid precursor and a lactone. A treatment fluid may contain an aqueous fluid and the breaker. A method may include introducing the treatment fluid into the wellbore, contacting the filter cake in the wellbore with the treatment fluid, and removing at least a portion of the filter cake.
Claims6
A treatment fluid comprising:
- an aqueous fluid;
- and
- a breaker that comprises an ester-based acid precursor and a lactone, wherein a volume of the ester-based acid precursor per 1 kg of lactone is about 2 L to about 20 L.
Dependencies are inferred from the claim text.