METHOD OF OIL POOL DEVELOPMENT Russian patent published in 2002 - IPC

FIELD: oil and gas producing industry; applicable in development of oil-gas deposits by waterflooding method under complicated conditions. SUBSTANCE: method includes waterflooding of formation with simultaneous treatment with elastic vibrations and withdrawal of formation fluid. Treatment with elastic vibrations is realized with amplitude and frequency parameters determined by conditions of minimum of threshold-energy criterion: G= where ξ and are vibratory displacement and vibratory acceleration of medium particles, respectively; is characteristic diameter of reservoir porous channels; g is free fall acceleration; a and b are dimensionless experimental coefficients. Treatment is continued until improvement of operating parameters of producing wells is evidenced. In case of parameters deterioration, treatment cycle is repeated. EFFECT: higher efficiency of method due to reduced power consumption, minimization of unproductive losses of elastic vibration energy, increased coverage of formation by waterflooding. 12 cl