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A sandbox physical simulation experimental device for simulating pre-existing fracture superposition oblique-slip deformation

An experimental device and physical simulation technology, applied in teaching models, instruments, educational tools, etc., can solve problems such as inability to intuitively simulate control functions and structural evolution characteristics, and achieve easy assembly and disassembly, convenient operation, and save experimental time. Effect

Active Publication Date: 2021-01-26
NORTHEAST GASOLINEEUM UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still defects in the existing experimental equipment, and it is impossible to more scientifically and intuitively simulate the control effect of the oblique-slip action on the deformation of the hanging wall of the reactivated pre-existing fault and the tectonic evolution characteristics

Method used

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  • A sandbox physical simulation experimental device for simulating pre-existing fracture superposition oblique-slip deformation
  • A sandbox physical simulation experimental device for simulating pre-existing fracture superposition oblique-slip deformation
  • A sandbox physical simulation experimental device for simulating pre-existing fracture superposition oblique-slip deformation

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Embodiment Construction

[0022] Below in conjunction with accompanying drawing, the present invention will be further described:

[0023] to combine figure 1 , figure 2 , image 3 As shown, the sandbox physical simulation experimental device for simulating pre-existing fracture superimposed oblique-slip deformation is to pass the fixed platform 22, the fixed platform bottom 23, the cross-type lifting bracket 6 and the adjusting hydraulic cylinder 5 and other components through the fixed platform base 4 is connected to the base of the instrument; the fixed platform 22 can slide horizontally on the fixed platform bottom 23 by adjusting the slide rail 24 to meet the lateral displacement requirements during the experiment; the cross-type lifting bracket 6 is driven by adjusting the hydraulic cylinder 5, The height of the fixed platen 22 can be adjusted vertically to meet the experimental requirements and facilitate the experimental operation. At the same time, there are multiple slide rails installed ...

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Abstract

The invention relates to a sand box physical simulation experiment device for simulating pre-existing fracture superimposed oblique-slip deformation, which includes a support mechanism, a model machine and a computer control system, the support mechanism includes a base, a base slide rail, a fixed platform base, an adjustment Hydraulic cylinders, cross-type lifting brackets, variable knuckles, and pneumatic support rods; model mechanisms include inclined slide plates, retractable angle scales, adjustment plates, fixed platens, fixed plate bases, adjustment slide rails, and drive hydraulic cylinders; drive hydraulic pressure The cylinder and the adjusting hydraulic cylinder are connected with the computer control system; the hydraulic cylinder is driven by computer control, and then the movement speed and movement time of the inclined sliding table are controlled to realize two-dimensional or three-dimensional, multi-phase superimposed deformation simulation of different inclined sliding directions and fault dip angles experiment. The invention can simulate deformation processes of different properties through a single experiment; it can also continuously simulate the superimposed evolution process of multi-stage deformations in one experiment without repeatedly disassembling models and debugging equipment.

Description

Technical field: [0001] The invention relates to the fields of petroleum geology and structural geology, in particular to a sandbox physical simulation experiment device for simulating superimposed oblique-slip deformation of internal faults in oil-gas basins. Background technique: [0002] Oblique-slip faults are an important structural deformation in petroleum basins. The existence of pre-existing faults is an important reason for the widespread development of oblique-slip faults. Even in homogeneous rocks, oblique-slip faults will develop when the horizontal principal stress obliquely intersects with the strike of pre-existing faults. When large-scale faults in orogenic belts, block boundaries, or high-angle faults in the basement are active in the later stage, the movement direction or stress vector of the block and the boundary faults are often in an oblique rather than orthogonal relationship. Oblique sliding is a common form of reactivation of boundary faults or pale...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B23/40
CPCG09B23/40
Inventor 孙永河马钰凯刘玉敏马妍薛永安牛成民
Owner NORTHEAST GASOLINEEUM UNIV
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