METHOD OF CONTROL OF FILTERING FLOWS IN DEVELOPMENT OF OIL FIELDS WITH NONUNIFORM LAYER FORMATIONS

摘要

FIELD: oil producing industry, particular, investigation of formation state control of development of oil fields, particular, methods of control of filtering flows formed in development of oil fields with nonuniform layer formations. SUBSTANCE: the offered method includes construction of charts of current saturation with displacement agent on the basic of definite additional current field-process information on operation of each well, and with consideration of constructed charts, the filtration process is mathematically modelled in nonuniform layer formation for calculation of pressure fields of filtering flows and filtration rate. It is admissible to use the additional current field-process information in form of, either, current content, in product of each well of tested section, of displacement agent, on the basis of which, with use of modified functions of relative phase permeabilities, calculated for each well, are calculated the average, across cross-section of multilayer porous medium, values of saturation with displacement agent in well surroundings, or the values of saturation with displacement agent it self for each well for the concrete date, on the basis of which, the chart of the current saturation with displacement agent are constructed. The invention is easily applicable, as for its embodiment, available laboratory equipment and computer are used. EFFECT: higher confidence of obtained results in determination of direction of filtering flows in nonuniform layer formations and therefore, more efficient control of development of oil field. 2 cl, 2 dwg