Experimental device and method for simulating composite bottom wall effects of different structure types

Abstract

The invention discloses an experimental device and method for simulating composite bottom wall effects of different structure types. The device comprises a plane table framework system, an experimentsimulation system, a driving system, an experiment auxiliary system and a control system; the plane table framework system is used for supporting whole experiment equipment, the experiment simulationsystem is used for simulating geological evolution conditions suitable for actual needs of all work areas, and the driving system is used for driving all movable units to complete sand box physical simulation experiments conforming to actual research work area structure evolution simulation; the experiment auxiliary system comprises a lighting device and a photographing device, and the control system is provided with a computer measurement and control module for controlling the lighting device of an experiment table to be turned on and off, the photographing frequency of the photographing device and the driving speed, time, direction and distance of each driving module in the driving system. By utilizing the device and the method, sand box physical simulation experiments of different inclination angles of stratums, gravity sliding structure, stretching structure, extrusion structure and various structure types for superposing bottom cleft structure effects can be carried out.

Description

technical field [0001] The present invention relates to an experimental device and method applied in the research fields of petroleum geology and structural geology, in particular, relates to a method capable of tilting strata at different dip angles to realize gravity sliding structures, stretching structures, extrusion structures, etc. A sandbox physical simulation experiment device and method for superimposed bottom-splitting tectonic effects of various structural types. Background technique [0002] The plastic material in the deep crust migrates upwards and its tectonic effect on the overlying rock is called diapirism, and the structural deformation formed by diapirism is called diapirism. Diapir structures produced by diapir movement are widely developed in sedimentary basins and are important types of oil and gas traps. However, the evolution of basins is not formed in one stage but the product of multi-stage tectonic movements. Multi-stage tectonic movements combine...

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Problems solved by technology

[0004] Although diapir structures are widely developed in oil and gas-bearing basins in my country, there are the following problems in the field of simulation experiment equipment: ① In the prior art, a lot of research work has been done on diapir structures, but the experiments used for diapir structure simulation There are few devices, all of which are relatively simple and of a single type, making it difficult to meet the needs of existing research

The most prominent problem is that it is difficult to satisfy the physical simulation experiments of multi-deformation superimposed diapirism

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