Method for measuring and adjusting oilfield injection well by utilizing indication curve
A technology for oilfield water injection and indicating curves, which is applied in measurement, earthwork drilling and production, wellbore/well components, etc., can solve the problems of high cost and low efficiency, and achieve the effect of simple method, improved measurement and adjustment efficiency, and easy promotion
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[0015] The present invention will be further described below in conjunction with specific embodiment:
[0016] The invention originates from the inventor's new understanding of the surveying and adjustment method of the oilfield water injection well in the oilfield exploration and the actual test effect analysis on the spot.
[0017] A method for measuring and adjusting water injection wells in oilfields by using indicator curves, comprising the following steps:
[0018] ①The instrument is lowered to the section at the end, and the first test is carried out according to the injection volume of the whole well. 1 1~n ) and flow value (B 1 1~n ), find out the flow value (B 1 1~n ) corresponds to the overcurrent pressure loss value (C 1 1~n ), and the flow pressure value (A 1 1~n ), the flow pressure loss of the faucet (C 1 1~n ) value, formation seepage pressure loss value (D 1 1~n ) and average formation pressure (P 1~n ) satisfies formula (1), seepage pressure los...
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