Method for treatment of underground reservoirs

The present invention relates to a process for treating formation damage in an underground formation, including damage in the form of an oil-based drill-in fluid filter cake. The process makes use of a treatment fluid that contains a cyclodextrin or a starch and an enzyme capable of generating a cyc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Harris, Ralph Edmund
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention relates to a process for treating formation damage in an underground formation, including damage in the form of an oil-based drill-in fluid filter cake. The process makes use of a treatment fluid that contains a cyclodextrin or a starch and an enzyme capable of generating a cyclodextrin from the starch.