... the current stimulation technologies for tight-shale gas formations. proppant tsg fracture area proppant concentration hydraulic fracturing different proppant concentration spe 140968 leakoff case fracturing materials upstream oil & gas concentration injection rate case injection rate...

... balance calculation is performed to generate a fracture volume taking fluid leakoff into account. Fracture conductivity of a low proppant-concentration, high fluid-volume fracture is estimated to optimize proppant length and fracture conductivity ratio ( C fd ). A pump schedule is generated based...

... fissured reservoirs. These occurrences are commonly attributed to fracture width restrictions or slurry dehydration. This paper describes the results of a series of laboratory experiments designed to study proppant transport and distribution in a hydraulic fracture with leakoff through discrete fissures...

... the relationship between the size distribution and shape of the fluid loss control material on leakoff control and on the cleanup potential. Sandstone cores of 1-in. diameter and 3-in. length and of approximately 0.05 md were cracked on a press to simulate the naturally fractured low permeability formation...

... leakoff rate, which depends on the pressure gradient across the core, permeability of the core and viscosity of the invading fluid. The use of silica flour helps matrix flowback, and it has a minimal effect on proppant-pack conductivity in clean fluids (e.g., surfactant water-base gravel packing fluid...

... is a key factor affecting fracture fluid cleanup and gas production. Also, improper simplification of a multilayer reservoir may lead to overestimates of gas production. leakoff fracture simplification hydraulic fracturing formation permeability drillstem/well testing single-layer reservoir...