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Oil-gas migration physical simulation device and oil-gas migration experiment method

A technology of oil and gas migration and physical simulation, which is applied in the fields of earthwork drilling, measurement, wellbore/well components, etc. It can solve problems such as poor crude oil flow performance and achieve the effect of perfecting physical simulation research.

Active Publication Date: 2012-12-05
PETROCHINA CO LTD
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Problems solved by technology

[0004] The present invention proposes a physical simulation device for oil and gas migration and an experimental method for oil and gas migration to solve the problem that crude oil has poor fluidity at room temperature and cannot be used for secondary migration experimental research
The invention can also solve the crude oil migration experiment that cannot simulate the scattered sample model under the condition of underground temperature and pressure.

Method used

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  • Oil-gas migration physical simulation device and oil-gas migration experiment method
  • Oil-gas migration physical simulation device and oil-gas migration experiment method
  • Oil-gas migration physical simulation device and oil-gas migration experiment method

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specific Embodiment approach

[0025] figure 1 The overall structure of the oil and gas migration physical simulation device according to the embodiment of the present invention is shown from the side view direction. Such as figure 1 As shown, the oil and gas migration physical simulation device according to the embodiment of the present invention includes: a constant temperature box 11 and a sand filling pipe arranged in the constant temperature box 11 . The constant temperature box 11 can provide underground temperature conditions, and the sand filling pipe can be equipped with a loose sample model (ie sand filling model) used for oil and gas migration experiments to simulate underground permeable sandstone formations. The sand-packing pipe of the present invention is, for example, a one-dimensional sand-packing pipe, which is used for physical simulation experiments of one-dimensional secondary migration of oil and gas. The sand filling pipe of the present invention can adopt two kinds of sand filling ...

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Abstract

The invention provides an oil-gas migration physical simulation device and an oil-gas migration experiment method. The oil-gas migration physical simulation device comprises a thermostat and a sand filling pipe arranged in the thermostat. The oil-gas migration experiment method comprises the following steps of: arranging a normal pressure glass sand filling pipe in the thermostat, performing an oil-gas secondary migration experiment on crude oil, performing visual observation, and studying the macroscopic oil-gas migration process; and arranging a high pressure stainless steel sand filling pipe in the thermostat, performing the oil-gas secondary migration experiment on the crude oil, and studying microcosmic component change in the oil-gas migration process. By the device and the method, oil-gas secondary migration visual physical simulation and high temperature and high pressure non-visual physical simulation functions are integrated, the macroscopic oil-gas secondary migration process and a microcosmic migration mechanism are well studied jointly, and the oil-gas secondary migration physical simulation study means is perfected.

Description

technical field [0001] The invention relates to the technical field of oil and gas accumulation, in particular to a physical simulation device for oil and gas migration and an experimental method for oil and gas migration, which are used for the research on the macroscopic migration process and microscopic migration mechanism of oil and gas secondary migration and the secondary migration of oil and gas Experimental research on physical simulation of changes in components and isotopes during the process. Background technique [0002] At present, most studies on the secondary migration of oil and gas are based on kerosene migration experiments. However, there are huge differences in density and chemical composition between refined oil (kerosene) and crude oil. The interaction between water and porous rocks is more complicated. Therefore, in order to more accurately grasp the macroscopic migration mode and microscopic migration mechanism of oil and gas secondary migration, it i...

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Application Information

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IPC IPC(8): E21B47/10E21B47/002
Inventor 宋岩姜林柳少波洪峰赵孟军方世虎公言杰郝加庆
Owner PETROCHINA CO LTD
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