FIELD: mining.
SUBSTANCE: processing methods of underground formation include the method for obtaining covered particles, which involves the steps at which particles are essentially covered with resin or the agent enhancing adhesiveness in order to obtain pre-covered particles; the latter are essentially covered with the parting agent which includes the material which is dissolved in the presence of service fluid so that covered particles are obtained; covered particles are suspended in service fluid in order to obtain suspension from pre-covered particles; suspension of pre-covered particles is introduced to underground formation.
EFFECT: preventing agglomeration of propping agent particles till they are suspended in processing fluid, increasing production and inspection of sand recovery and propping agent particles.
54 cl, 1 ex
