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Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 5. Отображено 5.
11-04-2023 дата публикации

Production decline analysis method and device for tight sandstone gas reservoir fractured vertical well

Номер: CN115949384A
Автор: CHENG MINHUA, JIA AILIN, LU CHENG, ZHAO MENG, HOU MEIFANG, WANG JUNLEI, ZHANG LIANQUN, CHENG GANG, LIU ZHAOLONG, SUN YANYAN, JIANG QIANFENG, XUE WEN
Принадлежит:

The invention discloses a compact sandstone gas reservoir fractured vertical well production decline analysis method and device, and the method comprises the following steps: combining production data of a compact sandstone gas reservoir target well with a b < l > as i < ngame > decline curve chart for analysis, and building a compact sandstone gas reservoir production data diagnosis chart; analyzing the tight sandstone gas reservoir production data diagnosis chart to obtain a tight sandstone gas reservoir production dynamic characteristic diagnosis table; and according to the tight sandstone gas reservoir production dynamic characteristic diagnosis table, the tight sandstone gas reservoir fracturing vertical well yield is subjected to decline analysis. The method is high in accuracy, and compared with a reservoir homogeneous and ideal model assumed by laboratory simulation, the method has higher geological adaptability and field practicability for tight sandstone gas reservoirs.

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Номер записи: 1
08-08-2023 дата публикации

Method, device and equipment for evaluating exploitable conditions of tight gas reservoir

Номер: CN116556935A
Автор: CHENG MINHUA, FENG MIN, LI YILONG, ZHANG LIANQUN
Принадлежит:

The invention discloses a tight gas reservoir exploitable condition assessment method, device and equipment, and the method comprises the steps: determining the economic exploitable reserves of a gas well based on the parameter data of the gas well; evaluating the internal return rate of the gas well based on a cash flow method to determine the economic limit recoverable reserve of the gas well; based on the economic recoverable reserves and the economic limit recoverable reserves of the gas well, the first risk degree of the gas well in tight gas reservoir development is evaluated; determining a stress sensitivity coefficient of the rock sample in the gas well based on the test data of the rock sample in the gas well; based on the stress sensitivity coefficient and a pre-constructed stress sensitivity productivity curve chart, evaluating a second risk degree of the gas well in tight gas reservoir development; and/or on the basis of the stress sensitivity coefficient, the parameter data ...

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Номер записи: 2
04-08-2023 дата публикации

Production allocation method, device and equipment for water-containing tight gas reservoir water producing well

Номер: CN116537745A
Автор: CHENG MINHUA, GUO ZHI, LUO NA, FENG MIN, ZHANG LIANQUN
Принадлежит:

The invention discloses a production allocation method, device and equipment for a water-containing tight gas reservoir water producing well, and the method can comprise the steps: comparing a water-gas ratio in gas well production data with a preset water-gas ratio threshold value, and determining the water producing type of a gas well; wherein the water production types comprise a low-water-production type gas well, a medium-high-water-production type gas well and an atmospheric high-water type gas well; and determining a reasonable production allocation proportion of the gas well based on the gas test open flow capacity in the gas well production data and a pre-constructed production allocation coefficient change chart corresponding to the gas wells of different water production types. According to the method, firstly, the water production type of the gas well is judged through the water-gas ratio, then the production allocation value of the gas well is quickly and accurately inquired ...

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Номер записи: 3
08-08-2023 дата публикации

Development method, device and equipment for high-quality reserve area of water-containing tight gas reservoir

Номер: CN116556934A
Автор: CHENG MINHUA, WANG JUNLEI, WANG GUOTING, WANG LIJUAN, LI YILONG, ZHANG LIANQUN
Принадлежит:

The invention discloses a method, device and equipment for developing a high-quality reserve area of a water-containing tight gas reservoir, and the method comprises the steps: comparing gas testing data and/or production data of a gas well with a pre-constructed water-producing gas well recognition chart, so as to judge the water-producing type; based on the interval transit time logging curve and the resistivity logging curve of the gas well, constructing an interval transit time-resistivity cross plot to identify a water-bearing layer of the gas well; correcting the aquifer in the gas well based on the water production type identified by the water production gas well identification chart; performing well connection profile analysis on the gas well based on the corrected aquifer to obtain gas reservoir aquifer distribution; based on the water-bearing stratum distribution and the gas reservoir distribution in the water-bearing tight gas reservoir, determining a high-quality reserve area ...

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Номер записи: 4
08-08-2023 дата публикации

Development method, device and equipment for water-containing tight sandstone gas reservoir

Номер: CN116556900A
Автор: CHENG MINHUA, WANG GUOTING, LI YILONG, XUE WEN
Принадлежит:

The invention discloses a method, device and equipment for developing a water-containing tight sandstone gas reservoir, and the method comprises the steps: comparing gas testing data and/or production data of an evaluation well with a pre-constructed water-producing gas well recognition chart, so as to judge a water-producing well in the evaluation well; based on the interval transit time logging curve and the resistivity logging curve of the evaluation well, constructing an interval transit time-resistivity cross plot to identify the aquifer of the evaluation well; correcting the aquifer in the evaluation well based on the water-producing well in the evaluation well identified by the water-producing gas well identification chart, and then carrying out well connection profile analysis on the evaluation well to obtain the aquifer distribution of the water-containing tight sandstone gas reservoir; based on the water-bearing stratum distribution and the gas reservoir distribution in the water-bearing ...

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Номер записи: 5