Global Patent Index - EP 0562879 B1

EP 0562879 B1 19970514 - Method of sustaining fractures radiating from a well bore and compositions for use in the method

Title (en)

Method of sustaining fractures radiating from a well bore and compositions for use in the method

Title (de)

Verfahren zum Erhalten strahlenförmiger Brüchen in einem Bohrloch und entsprechende Zusammensetzungen

Title (fr)

Méthode pour supporter les fractures radiales à partir d'un puit de forage et composition destinée à être utilisée dans cette méthode

Publication

EP 0562879 B1 19970514 (EN)

Application

EP 93302377 A 19930326

Priority

GB 9206780 A 19920327

Abstract (en)

[origin: EP0562879A2] There is introduced into fractures radiating from a well bore proppant grains coated with a resin composition. The grains are suspended in a gell which includes a breaker for the gell. The resin composition is covered by a protective layer which is less reactive with respect to the breaker than is the resin composition.

IPC 1-7

E21B 43/267; E21B 43/02

IPC 8 full level

E21B 43/02 (2006.01); E21B 43/267 (2006.01)

CPC (source: EP)

E21B 43/025 (2013.01); E21B 43/267 (2013.01)

Designated contracting state (EPC)

DE DK FR NL SE

DOCDB simple family (publication)

EP 0562879 A2 19930929; EP 0562879 A3 19940302; EP 0562879 B1 19970514; DE 69310596 D1 19970619; DE 69310596 T2 19970918; DK 0562879 T3 19970714; GB 2265398 A 19930929; GB 2265398 B 19951025; GB 9206780 D0 19920513; MX 9301713 A 19931201; NO 301293 B1 19971006; NO 931126 D0 19930326; NO 931126 L 19930928

DOCDB simple family (application)

EP 93302377 A 19930326; DE 69310596 T 19930326; DK 93302377 T 19930326; GB 9206780 A 19920327; MX 9301713 A 19930326; NO 931126 A 19930326