Screening and evaluation method of artificial edge water flooding fault-block reservoirs
An evaluation method and oil reservoir technology, applied in earthwork drilling, production fluid, wellbore/well components, etc., can solve problems such as unclear evaluation conditions for reservoir screening, alleviate the problem of sewage discharge, increase control reserves, Effects that are easy to apply
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[0018] In order to make the above and other objects, features and advantages of the present invention more comprehensible, preferred embodiments are listed below and described in detail in conjunction with the accompanying drawings.
[0019] Through the research on water flooding mechanism of artificial edge water flooding reservoirs, the theory of main controlling factors of development effect and field practice, the present invention summarizes the "secondary enrichment" and "universal distribution" of remaining oil in artificial edge water flooding reservoirs. Based on the "strong water washing" water flooding mechanism in the "area, a set of screening and evaluation criteria suitable for artificial edge water flooding development has been formulated: (1) In order to avoid overflow of injected water and take into account the effectiveness of water injection, fault block Should be relatively closed or have lithological boundaries. (2) Considering the main controlling factors...
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