Thermophilic mannanohydrolase and fracturing fluids containing the same

A thermophilic mannanohydrolase enzyme may be used as an enzyme breaker for fracturing fluids containing hydratable polymers of guar and underivatized guar. The enzyme is effective in downhole temperatures exceeding 160° F.

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Bibliographische Detailangaben
1. Verfasser: Charles David Armstrong
Format: Patent
Sprache:eng
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Zusammenfassung:A thermophilic mannanohydrolase enzyme may be used as an enzyme breaker for fracturing fluids containing hydratable polymers of guar and underivatized guar. The enzyme is effective in downhole temperatures exceeding 160° F.