......DEDK..FRGB........NLSE......................J0562879EUROPEAN PATENT APPLICATIONA319940302EP93302377.219930326enenen920678019920327GB19940302199409199309291993395 5E 21B 43/267 A 5E 21B 43/02 BdeVerfahren zum Erhalten strahlenförmiger Brüchen in einem Bohrloch und entsprechende ZusammensetzungenenMethod of sustaining fractures radiating from a well bore and compositions for use in the methodfrMéthode pour supporter les fractures radiales à partir d'un puit de forage et composition destinée à être utilisée dans cette méthodeHEPWORTH MINERALS & CHEMICALS LIMITED01036220SHL/FB4573MINERALS & CHEMICALS LIMITED, HEPWORTHBrookside HallSandbach Cheshire CW11 0SSGBMeredith, William Clive SteningSandy Lane DockingNorfolk PE31 8NFGBLoose, Peter JamesPintail Town Lane BrancasterStaithe NorfolkGBHarrison, Gordon Donaldet al00031541FORRESTER & BOEHMERT Franz-Joseph-Strasse 3880801 MünchenDEDEDKFRGBNLSE19940302199409

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.