E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/27 (2006.01) C09K 8/62 (2006.01) C09K 8/92 (2006.01)
Patent
CA 2098619
2098619 9212327 PCTABS00014 An encapsulated breaker chemical composition used in a fracturing process in the protection of an oil or gas stimulation operation which comprises: a breaker chemical and a pinhole free coating of a neutralized sulfonated elastomeric polymer of about 2 to about 80 microns thick deposited onto the surface of the breaker chemical, wherein said neutralized sulfonated polymer encapsulates the breaker chemical, wherein the neutralized sulfonated polymer is permeable to the breaker chemical and the neutralized sulfonated polymer is non-reactive to the breaker chemical.
Drake Evelyn N.
Manalastas Pacifico V.
Mcdougall Lee A.
Newlove John C.
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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