A simulation device for abnormally high-temperature and high-pressure formation sand bodies breaking through seepage barriers
A simulation device and seepage barrier technology, applied in the field of gas reservoir dynamic reserve evaluation, can solve problems such as complex formation structure, no longer applicable, uneven distribution of sand bodies, etc.
Active Publication Date: 2021-09-10
SOUTHWEST PETROLEUM UNIV
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Problems solved by technology
[0004] However, due to the abnormal high temperature and high pressure gas reservoir, the formation structure is complex, the distribution of sand bodies is uneven, and there are seepage barriers between the formation sand bodies, the existing dynamic reserve calculation method is no longer applicable, and the gas reservoir performance under the influence of seepage barriers needs to be considered A New Method for Reserve Evaluation
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Embodiment 1
[0038] A simulation device for abnormally high-temperature and high-pressure formation sand bodies breaking through seepage barriers, such as figure 1 As shown, the device includes: the first sand body simulation device 33 composed of the first gas supply part 1 and the first long core holding part, the second sand body simulation device 33 composed of the second gas supply part 25 and the second long core holding part. The body simulation device 32 and the seepage barrier simulation device 18 are connected in series with the first sand body simulation device 33 and the second sand body simulation device 32 .
[0039] The entire experimental device process is connected by high-pressure pipelines. The gas supply part 1 provides the high-pressure gas for simulating the formation sand body for the first sand body simulation device 33, and the gas supply part 2 provides the high-pressure gas for simulating the formation sand body for the second sand body simulation device 32. gas....
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The invention belongs to the field of dynamic reserve evaluation of gas reservoirs, and discloses a simulation device for abnormally high-temperature and high-pressure formation sand bodies to break through seepage barriers. The problem, the device includes: two gas supply parts; two long core holders, set in series, respectively communicated with the corresponding gas supply parts; a temperature controller, used to control the temperature of the long core holder; confining pressure pump, It is used to control the pressure of the long core holder; the back pressure valve is set between the first long core holder and the automatic gas meter; the automatic gas meter is used to measure the gas production rate and gas production volume; seepage The barrier simulator is used to simulate the seepage barrier between two sand bodies. The invention uses a simple and convenient experimental device to simulate the experiment that the sand body of abnormally high temperature and high pressure formation breaks through the seepage barrier, collects relevant data by using a computer terminal, and automatically calculates the dynamic geological reserves of the simulated sand body.
Description
technical field [0001] The invention relates to the field of dynamic reserve evaluation of gas reservoirs, in particular to a simulation device for abnormally high-temperature and high-pressure formation sand bodies breaking through seepage barriers. Background technique [0002] Abnormally high-temperature and high-pressure formations in the western part of the South China Sea are rich in natural gas reserves. With the continuous deepening of the development practice of high-temperature and high-pressure gas reservoirs in the Dongfang Gas Field Group, the particularity of high-temperature and high-pressure gas reservoir development and the complexity of sand body superimposition relations are gradually emerging. The impact of untapped potential is gaining increasing attention. There are some difficulties and problems in the evaluation method of key parameters in the development of high temperature and high pressure gas reservoirs, such as the difficulty in describing the ph...
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IPC IPC(8): G01N15/08G01N13/04G01N33/24
CPCG01N13/04G01N15/0826G01N33/24
Inventor 谭晓华王永强周伟李晓平欧志鹏王玉刘凯管琳杨楷乐莫冯阳孟展
Owner SOUTHWEST PETROLEUM UNIV