Well profile control and selection method and apparatus for conglomerate reservoir
A profile control and well selection technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as poor applicability, inaccurate profile control and well selection in conglomerate reservoirs
Active Publication Date: 2017-03-29
PETROCHINA CO LTD
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[0005] The embodiment of the present invention provides a profile control and well selection method and device for conglomerate reservoirs, to at least solve the poor applicability of the existing PI well selection decision-making method in the profile control and well selection process of conglomerate reservoirs, resulting in conglomerate Technical Problems of Inaccurate Well Selection for Reservoir Profile Control
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[0025] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0026] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that ...
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The present invention discloses a well profile control and selection method and apparatus for a conglomerate reservoir. The method comprises: calculating a first well selection decision value for each to-be-controlled well group; calculating a second well selection decision value for each to-be-controlled well group; according to the first well selection decision value for each to-be-controlled well group and the second well selection decision value for each to-be-controlled well group, calculating a comprehensive well selection decision value of each to-be-controlled well group, wherein the comprehensive well selection decision value represents the degree of suitable well profile control; and determining a target to-be-controlled well group that undergoes the profile control operation according to the comprehensive well selection decision value. According to the method and apparatus disclosed by the present invention, the technical problem of inaccurate well profile control and selection for the conglomerate reservoir caused by poor applicability of the existing PI selection method in the well profile control and selection process for the conglomerate reservoir is solved.
Description
technical field [0001] The invention relates to the field of oil exploitation, in particular to a profile control and well selection method and device for conglomerate oil reservoirs. Background technique [0002] Conglomerate reservoirs have well-developed fractures and strong heterogeneity, and the water flooding conditions and distribution of remaining oil in the later stage of water flooding are increasingly complex, and there are many violent water flooded wells. After entering the high water cut stage, the injected water has been driven to the vicinity of the production well, the water cut rises faster, and the development effect becomes worse. Conventional measures to tap the potential are difficult to achieve. [0003] At present, the PI (Pressure Index, pressure index) well selection decision-making method has been widely used in the profile control process of water injection blocks in conglomerate reservoirs because of its simple and convenient technology. However...
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IPC IPC(8): G06F17/50
Inventor 白雷汪玉琴向小玲刘晓丽张芸刘同敬周建原风刚
Owner PETROCHINA CO LTD