A pipe string and method for finding water plugging by separate production and measurement in casing completion horizontal well
A technology for finding and plugging water in horizontal wells, which is applied in the direction of casing, wellbore/well components, drill pipes, etc. It can solve problems such as poor reliability, inability to work for a long time, and limited battery life of switches, so as to improve reliability, Obvious effects and high test efficiency
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[0052] The details of the present invention can be understood more clearly with reference to the accompanying drawings and the description of specific embodiments of the present invention. However, the specific embodiments of the present invention described here are only for the purpose of explaining the present invention, and should not be construed as limiting the present invention in any way. Under the teaching of the present invention, the skilled person can conceive any possible modification based on the present invention, and these should be regarded as belonging to the scope of the present invention.
[0053] Such as figure 1 , figure 2 As shown, the present invention proposes a pipe string 100 for separate production, measurement and plugging of water in horizontal wells with casing completion and horizontal wells. Below the oil well pump 200, the pump down control device 10 includes a spring 11, an elastic sensor 12, a circuit control mechanism 13, a battery 14 and...
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