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High temperature and high pressure visual device for simulating microorganism oil displacement and simulating method thereof

A technology of microbial flooding, high temperature and high pressure, which is applied in the direction of earthwork drilling, production fluid, wellbore/well components, etc. It can solve the problems that microbial flooding cannot be simulated, and achieve simple temperature and pressure control technology, easy operation and safety The effect of superior performance

Active Publication Date: 2013-07-24
UNIV OF SCI & TECH BEIJING
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Problems solved by technology

, this visual simulated oil flooding experimental research device (visualized device for simulating microbial oil flooding) is used to solve research problems that cannot simulate microbial oil flooding under high temperature and high pressure conditions

Method used

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  • High temperature and high pressure visual device for simulating microorganism oil displacement and simulating method thereof
  • High temperature and high pressure visual device for simulating microorganism oil displacement and simulating method thereof

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with accompanying drawing:

[0037] Such as figure 1 with 2As shown, a high-temperature and high-pressure visualization device for simulating microbial oil displacement (microbial displacement visualization experimental research device) of the present invention consists of a model holder 4, a microscopic visual model 18, a displacement system, a back pressure system, a ring pressure system, It is composed of pressure monitoring system, temperature control system and image acquisition system.

[0038] The micro visual model 18 is a transparent two-dimensional plane model. The real pore system of the natural rock core is photoetched onto the flat optical glass by photolithography technology and sintered into shape. A small hole is punched at the opposite corners of the model respectively, which are respectively the inlet 181 and the outlet 182 of the model. The microscopic visual model 18 has transpa...

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Abstract

The invention relates to an experimental method and a device for simulating the process that microcosmic remaining oil is extracted in a microcosmic simulation model under the condition of oil deposit high temperature and high pressure, researching feasibility of microorganism oil displacement technology in improving enhanced oil recovery after water drive, and carrying out visualized microcosmic oil displacement experimental research under the high temperature and high pressure experimental conditions, in particular to a high temperature and high pressure visual device for simulating microorganism oil displacement and a simulating method thereof. The device comprises a model clamp clamping a microcosmic visual model, a displacement system, a back pressure system, an annular pressure system, a pressure monitoring system, a temperature control system and an image collecting system. According to the device, temperature and pressure can be controlled easily, used space is small, safety performance is excellent, operation is simple, action mechanism of microorganism and petroleum hydrocarbon and starting mechanism of the microorganism on the remaining oil can be conveniently observed in a visualized condition, and the device has important significance on wide application and popularization of microcosmic experiments in oil industries.

Description

technical field [0001] The present invention relates to the microcosmic residual oil recovery process in the microcosmic simulation visual model under the high temperature and high pressure conditions of the simulated oil reservoir, and the research on the microbiological oil flooding technology and the enhanced oil recovery technology after water flooding Feasibility, experimental method and device for visual microcosmic oil displacement experimental research, specifically related to a high temperature and high pressure visualization device and simulation method for simulating microbial oil displacement. Background technique [0002] The research on the interaction between microorganisms and petroleum hydrocarbons in the porous medium of reservoir environment is a comprehensive technology that uses the beneficial activities and metabolites of microorganisms to change the composition and fluidity of petroleum hydrocarbons, thereby enhancing oil recovery. After continuous res...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B47/002E21B43/22
Inventor 朱维耀李娟于明旭夏小雪宋洪庆
Owner UNIV OF SCI & TECH BEIJING
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