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US 2026/0193450 A1Published application
Methods of repairing casings using a volcanic ash sealant composition
AssigneeSaudi Arabian Oil Company
InventorsKhawlah Alanqari, Abdullah Saleh Hussain Al-Yami
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Abstract
This disclosure methods of sealing casing-casing annual leaks and repairing casings using a sealant composition, including volcanic ash, cement, an epoxy resin, and a crosslinker.
Claims20
A method of sealing a casing or a casing-casing annulus, comprising:
- applying a sealant composition to the casing or the casing-casing annulus, the sealant composition comprising:
- volcanic ash;
- cement;
- an epoxy resin;
- and
- a crosslinker.
3 more elements
Dependencies are inferred from the claim text.