Method for obtaining indication mark of oil layer through conventional logging
An oil layer indicator and conventional technology, applied in the field of obtaining oil layer indicator, can solve the problems of misjudging water layer as oil layer, interference, high porosity, etc., and achieve the effect of reducing cost
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[0014] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments, but the embodiments should not be understood as limiting the present invention.
[0015] See figure 1 , The method of the present invention for obtaining reservoir indicator marks through conventional logging includes the following steps:
[0016] Step 1. Read conventional logging data from the data file. The conventional logging data includes: depth (m), sonic time difference (μs / m), well diameter (in or cm, in is inches), neutron ( %), density (g / cm 3 ), natural gamma (API), deep detection resistivity (Ω·m), shallow detection resistivity (Ω·m) and natural potential (mV);
[0017] Step 2: Test and calculate the stratigraphic parameters of the region, the stratigraphic parameters of the region include:
[0018] Archie's cementation index m,
[0019] Archie's constant a,
[0020] Formation water resistivity R w , R w Need to perform temperature correction...
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