CrystalSeal® conformance service for sweeping efficiency

Improve sweeping efficiency from injection wells

Halliburton water swelling polymer is a “bullhead” type treatment designed for shut-off of fractured or highly vugular zones in injection wells. CrystalSeal Service treats the injection wells rather than producing wells, providing a farther-reaching effect with substantially no risk of damage to the producers.

Easy deployment for immediate impact

CrystalSeal offers the following advantages:

Improves the sweep efficiency of injection systems, e.g., water flooding and water-alternating-gas (WAG) flooding
Takes effect in only a matter of hours; does not require specialized mixing equipment, and can be added on the fly
Resists carbon dioxide (CO₂) contamination, acid contamination, and/or hydrogen sulfide (H₂S) environments
Withstands the influx of water and helps prevent dilution of cement or other remediation products
Contains no heavy metal; is nontoxic and environmentally acceptable
Can be removed with oxidizers or bleaching compounds

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