Experiment device and method for monitoring rest oil distribution in rock core in carbon dioxide displacement rock core process

A technology of carbon dioxide and residual oil, applied in measuring devices, analysis materials, earthwork drilling and production, etc., can solve unresolved and unpredictable problems

Active Publication Date: 2017-05-31
巴州广和气体资源有限公司
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Problems solved by technology

However, this method also cannot predict the distribution area of ​​unproduced remaining oil in the reservoir during carbon dioxide displacement, nor can it obtain the distribution of remaining oil in the reservoir under different gas injection parameters.

Method used

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  • Experiment device and method for monitoring rest oil distribution in rock core in carbon dioxide displacement rock core process
  • Experiment device and method for monitoring rest oil distribution in rock core in carbon dioxide displacement rock core process
  • Experiment device and method for monitoring rest oil distribution in rock core in carbon dioxide displacement rock core process

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Embodiment Construction

[0034] The present invention will be further described below in conjunction with the accompanying drawings:

[0035] Depend on figure 1As shown in the figure, the experimental device for monitoring the distribution of the remaining oil in the core during the process of carbon dioxide displacing the core consists of a first storage tank 1, a second storage tank 2, a first booster pump 3, a second booster pump 4, Heater 5, First Cooler 6, Core Holder 7 with Seal Packer 8, CT Scanner 9, Solids Filter 10, Liquid Filter 11, Second Cooler 12, First Control Valve 13. The second control valve 14, the first pressure gauge 15, the second pressure gauge 16, the first temperature gauge 17, the second temperature gauge 18 and other connecting pipe fittings are constituted, and the unique features are:

[0036] The output pipeline of the first storage tank 1 is connected with the inlet pipeline of the first booster pump 3 through the two-way, the outlet pipeline of the first booster pump 3...

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Abstract

The invention relates to an experiment device and method for monitoring rest oil distribution in a rock core in a carbon dioxide displacement rock core process. The invention mainly aims at providing the experiment device capable of being used for obtaining microscopic rest oil space distribution state in the rock core in the liquid-stage or super-critical state carbon dioxide oil displacement process, and an obtaining method. The device is characterized by consisting of a first storage tank, a second storage tank, a first pressurizing pump, a second pressurizing pump, a heater, a first cooler, a rock core clamper with a sealing packer, a CT (computed tomography) scanner, a solid filter, a liquid filter, a second cooler, a first control valve, a second control valve, a first pressure meter, a second pressure meter, a first temperature indicator, a second temperature indictor and other connecting pipe fittings. By using the method and the device, the rock core CT scanning can be realized in the displacement process; through the division processing on the CT scanning image, the microscopic rest oil distribution state of the rock core in the rock core during different-state carbon dioxide displacement is monitored.

Description

technical field [0001] The invention relates to a research device for the spatial distribution of microscopic remaining oil in carbon dioxide flooding rock cores, in particular to an experimental device for the spatial distribution of microscopic residual oil in rock cores during the oil displacement process of liquid or supercritical carbon dioxide. Background technique [0002] At present, there are the following problems in the study of the microscopic remaining oil space distribution of liquid or supercritical carbon dioxide flooding cores: [0003] When the reservoir is flooded with carbon dioxide, for the liquid or supercritical carbon dioxide flooding oil, during the displacement process, the microscopic remaining oil space distribution of the reservoir caused by the displacement of the displacement medium in different phases and the displacement of the oil under different displacement parameters The research on the spatial distribution of microscopic remaining oil in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/00E21B43/16
CPCY02P90/70G01N23/00E21B43/164G01N2223/1016
Inventor 柏明星宋考平付晓飞殷代印刘斌张志超
Owner 巴州广和气体资源有限公司
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