Shu 127 Wellblock Encryption Adjustment Method For Low Permeable Oilfield

Because shu 127 wellblock sand body small, scattered distribution, fault develop more freely crisscross, the well pattern of low degree of sand control, water flooding control degree is low, only 59.4%, only elastic mining happen some well, and have connected well water cut rising speed fast, stabilizing oil and control water difficulty increasely, gradually decreasing of express delivery fast. In order to improve the wellblock water flooding control degree and reserves producing degree, excavate potential of district, improve the ultimate recovery, to carry out the shu 127 wellblock encryption adjustment method research, through the study on remaining oil distribution, well encryption, well pattern boundaries research and well pattern infilling method research, explore wellblock reasonable encryption adjustment method, adjust the work for the next step development provide actionable plan basis.A total design scheme of the infilled adjustment of different, according to the numerical simulation technology and the research on optimization of well pattern adaptability theory, according to the thickness of the reservoir and remaining oil abundance take well pattern, well pattern deviates from the mainstream line, fault near irregular combined encryption. The pattern has the advantage that it can avoid the displacement direction of the mainstream line, mining of remaining oil distribution line, and remaining oil potential in effect of Fault.