The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 15, 2021

Filed:

Aug. 22, 2017
Applicant:

Eni S.p.a., Rome, IT;

Inventors:

Lucilla Del Gaudio, San Donato Milanese, IT;

Davide Moscatelli, Arese, IT;

Paola Albonico, Milan, IT;

Assignee:

ENI S.P.A., Rome, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/138 (2006.01); C09K 8/512 (2006.01); C08F 220/28 (2006.01); C08F 220/06 (2006.01); C09K 8/58 (2006.01); C09K 107/00 (2006.01);
U.S. Cl.
CPC ...
C09K 8/512 (2013.01); C08F 220/06 (2013.01); C08F 220/286 (2020.02); C09K 8/58 (2013.01); E21B 33/138 (2013.01); C09K 2107/00 (2013.01);
Abstract

The present invention relates to a method for inhibiting water permeation in an extraction well of a hydrocarbon oil from an underground reservoir which comprises injecting into said reservoir at least one polymerizable composition comprising: at least one hydrophilic monomer, -at least one hydrophilic initiator of radical polymerization with thermal activation (hydrophilic initiator), at least one lipophilic initiator of radical polymerization with thermal activation (lipophilic initiator). The present invention also relates to the polymerizable compositions that can be used in said method.


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