Aqueous alcohol well treatment fluid and method of using the...

Details Aqueous alcohol well treatment fluid and method of using the... Aqueous alcohol well treatment fluid and method of using the...

C - Chemistry, Metallurgy

09

K

C09K 8/60 (2006.01) C08L 1/10 (2006.01) E21B 43/25 (2006.01)

Patent

CA 2583105

An aqueous alcohol-containing well treatment fluid containing a polysaccharide derivative as gelling agent, optionally crosslinked, is capable of being degraded at elevated temperatures by the presence of an enzyme and an organic acid ester. The well treatment fluid has particular applicability in the treatment of low pressure gas producing wells.

Divulgation d'un liquide de traitement de puits contenant un alcool aqueux ainsi qu'un dérivé de polysaccharide utilisé comme gélifiant, optionnellement réticulé, qui peut être dégradé à température élevée en présence d'une enzyme et d'un ester d'acide organique. Le liquide de traitement de puits s'applique particulièrement au traitement de puits de production de gaz à basse pression.

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