CN-224231765-U - Deposition structure coupling simulation structure and reaction experiment cabin of hydrate reservoir

CN224231765UCN 224231765 UCN224231765 UCN 224231765UCN-224231765-U

Abstract

The application discloses a sediment structure coupling simulation structure and a reaction experiment cabin of a hydrate reservoir, wherein a sediment structure coupling simulation structure is arranged in an inner cavity of the reaction experiment cabin, the sediment structure coupling simulation structure comprises a monoclinic sediment stratum simulation structure, a sediment structure transition simulation structure, a reticular fault simulation structure, a broken back inclined simulation structure and a stable domain simulation structure, the reticular fault simulation structure is positioned at a fracture part of the broken back inclined simulation structure and is connected with the reticular fault simulation structure, a low-temperature water bath circulation structure in the stable domain simulation structure is arranged in the monoclinic sediment stratum simulation structure, and filling particles are arranged in the monoclinic sediment stratum simulation structure, the sediment structure transition simulation structure, the reticular fault simulation structure and the broken back inclined simulation structure. The application provides a feasible simulation mode aiming at the coupling action of a structure and a deposition element under the continental edge background and a temperature field and a pressure field, and can be widely applied to the technical field of geological exploration.

Inventors

HE HUICE
ZHANG GUOQING
WU LUSHAN
LIANG JINQIANG
REN JINFENG
HUANG WEI
ZHANG WEI
YANG SHENGXIONG
Su Pibo
WEI JIANGONG
LV YAOYAO
SHAN CHENCHEN
CHEN WEI

Assignees

广州海洋地质调查局三亚南海地质研究所
广州海洋地质调查局

Dates

Publication Date: 20260512
Application Date: 20250519

Claims (10)

1. A sediment structure coupling simulation structure of a hydrate reservoir is characterized by comprising A single-dip-deposition formation simulation structure in a dip arrangement; A deposition configuration transition simulation structure in an inclined arrangement; The single-inclined sediment stratum simulation structure is connected with the mesh fault simulation structure through the sediment structure transition simulation structure; the fracture anticline simulation structure is positioned at a fracture position of the fracture anticline simulation structure and is connected with the mesh fault simulation structure; The stability domain simulation structure comprises a low-temperature water bath circulation structure which is arranged on the monoclinic deposition stratum simulation structure; And filling particles are arranged in the monoclinic sediment stratum simulation structure, the sediment structure transition simulation structure, the reticular fault simulation structure and the anticline fracture simulation structure.
2. The method of claim 1, wherein the inner cavity of the monoclinic sedimentary formation simulation structure is divided into at least two layers of first chambers by a permeable partition plate, the first chambers are provided with the filling particles, and the particle sizes of the filling particles in the first chambers are different.
3. The method of claim 1 or 2, wherein the surface of the monoclinic sedimentary formation simulating structure is provided with at least one guide structure to which the low-temperature water bath circulation structure is movably connected.
4. The method of claim 3, wherein the low-temperature water bath circulation structure is sleeved outside the monoclinic sediment formation simulation structure.
5. The method for producing a hydrate reservoir according to claim 1 or 2, wherein the network fault simulation structure comprises at least two thermal fluid dredging structures, the thermal fluid dredging structures are arranged in the inner cavities of the network fault simulation structure, the thermal fluid dredging structures are hollow columnar structures, and the filling particles are arranged in the inner cavities of the thermal fluid dredging structures.
6. The method of claim 5, wherein the network fault simulation structure comprises at least two resistive heaters disposed in the thermal fluid channeling structure, the resistive heaters heating the thermal fluid channeling structure.
7. The sediment formation coupling simulation structure of a hydrate reservoir according to claim 1, wherein the cavity of the fracture anticline simulation structure is provided with at least two layers of second cavities, and each second cavity is provided with the filling particles therein.
8. The hydrate formation storage deposition structure coupling simulation structure according to claim 1, 2 or 7, wherein the particle size of the filler particles in the deposition structure transition simulation structure is larger than the particle size of the filler particles in the monoclinic deposition stratum simulation structure and smaller than the particle size of the filler particles in the network fault simulation structure.
9. The sedimentary structure coupling simulation structure of a hydrate reservoir according to claim 1, wherein the inclination angle of the monoclinic sedimentary formation simulation structure is adjustable.
10. A reaction experiment cabin for hydrate formation, characterized in that an inner cavity of the reaction experiment cabin is provided with the deposition structure coupling simulation structure as set forth in any one of claims 1 to 9.

Description

Deposition structure coupling simulation structure and reaction experiment cabin of hydrate reservoir Technical Field The application relates to the technical field of geological exploration, in particular to a sediment structure coupling simulation structure and a reaction experiment cabin of a hydrate reservoir. Background Aiming at the edge background of the active continent, in particular to a related experimental simulation device and a related experimental simulation method for the hydrate reservoir formation process under the coupling action of a structure-sedimentary geological element, the research is relatively less. The existing experimental simulation device and technical method are difficult to realize effective simulation of a complex structure-deposition background. On the other hand, the existing experimental simulation device and experimental method simply pay attention to single geological simulation element changes such as temperature, pressure and the like when hydrate formation and reservoir simulation is carried out, and the degree of importance of the coupling effect of a structure and a sediment element under the edge background of an active continent and the synergistic effect of the coupling effect and the space-time evolution of a hydrate stability domain under the constraint of a temperature field-pressure field condition is insufficient, so that limitation is brought to the understanding of the dynamic hydrate formation process and the spatial distribution rule of the high-saturation hydrate. And the existing experimental simulation device generally designs the simulated geological structure to be uniform and stable, and has limited capability of functionally simulating hydrate reservoir evolution under the condition of complex regional geological background and structure and sediment environment change. Disclosure of utility model In order to solve at least one of the technical problems, the application provides a hydrate reservoir deposition structure coupling simulation structure and a reaction experiment cabin, and the adopted technical scheme is as follows. The inner cavity of the reaction experiment cabin provided by the application is provided with a deposition structure coupling simulation structure. The hydrate formation sedimentary structure coupling simulation structure comprises a single-inclined sedimentary stratum simulation structure, a network fault simulation structure, a broken anticline simulation structure and a stable domain simulation structure which are arranged in an inclined mode, wherein the single-inclined sedimentary stratum simulation structure is connected with the network fault simulation structure through the network fault simulation structure, the network fault simulation structure is located at a fracture of the broken anticline simulation structure, the broken anticline simulation structure is connected with the network fault simulation structure, the stable domain simulation structure comprises a low-temperature water bath circulation structure, the low-temperature water bath circulation structure is arranged on the single-inclined sedimentary stratum simulation structure, and filling particles are arranged in the single-inclined sedimentary stratum simulation structure, the network fault simulation structure and the broken anticline simulation structure. In some embodiments of the present application, the inner cavity of the monoclinic deposition stratum simulation structure is divided into at least two layers of first chambers by a permeable partition, each first chamber is provided with the filling particles, and the particle sizes of the filling particles in each first chamber are different. In certain embodiments of the present application, the surface of the monoclinic deposit formation simulation structure is provided with at least one guiding structure to which the low temperature water bath circulation structure is movably connected. In some embodiments of the application, the low temperature water bath circulation structure is sleeved outside the monoclinic deposit stratum simulation structure. In some embodiments of the present application, the mesh fault simulation structure includes at least two thermal fluid drainage structures, the thermal fluid drainage structures are disposed in the inner cavities of the mesh fault simulation structure, the thermal fluid drainage structures are disposed as hollow columnar structures, and the inner cavities of the thermal fluid drainage structures have the filling particles. In some embodiments of the application, the reticulated fault simulation structure includes at least two resistive heaters disposed on the thermal fluid channeling structure, the resistive heaters heating the thermal fluid channeling structure. In some embodiments of the present application, the cavity of the anticline simulation structure is provided with at least two layers of second chambers, and each second chamber has