Production tubular column for rhythm oil layer gravity gas drive and method thereof
A technology for producing pipe strings and oil layers, which is applied to drilling pipes, casings, and earth-moving drilling, etc., can solve the problems of difficult control of gas channeling, downhole plugging and frequent perforation work, etc., so as to reduce the gas lock effect, restrain Gas channeling phenomenon and the effect of slowing down the number of downhole operations
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[0049] The details of the present invention can be understood more clearly in combination with the drawings and the description of the specific embodiments of the present invention. However, the specific embodiments of the present invention described herein are only used to explain the purpose of the present invention, and cannot be construed as limiting the present invention in any way. Under the teaching of the present invention, the skilled person can conceive any possible modifications based on the present invention, and these should be regarded as belonging to the scope of the present invention.
[0050] The production tubing string used for gravity gas flooding in rhythm reservoirs proposed by the present invention is arranged in a downhole oil jacket. The production tubing string includes at least one set of low-permeability column components, and the low-permeability column components are connected with a sealed short joint. A sealing ring is arranged on the upper surface...
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