supported by National Natural Science Foundation of China (Grant Nos. 41172145, 41372163 and 41104084);National Basic Research Program of China (Grant No. 2014CB440905);National Special Fund of China (Grant Nos. 2011ZX05: 035-001-006HZ and 035-002-003HZ, 008-006-22, 049-01-02 and 019-003);PetroChina Innovation Foundation (Grant No. 2011D-5006-0303)
The calibration of the elastic characteristics of deformed coals is essential for seismic inversion of such units, because the prediction of coal deformation is essential for both mining safety and methane production....
supported by the National Special Fund of China(No.2011ZX05035-001-006HZ,2011ZX05008-006-22,2011ZX05049-01-02,and 2011ZX05019-003);the National Natural Science Foundation of China(No.41104084);the PetroChina Innovation Foundation(No.2011D-5006-0303)
Prestack depth migration of multicomponent seismic data improves the imaging accuracy of subsurface complex geological structures. An accurate velocity field is critical to accurate imaging. Gaussian beam migration wa...