Apparatus and method for lateral pressure creep test of hydrate-containing sediment

A technology containing hydrate and test device, which is applied in the direction of using stable tension/pressure test material strength, soil material test, material inspection product, etc., can solve the need of creep test under side pressure of natural gas hydrate reservoir. and other problems, to achieve the effect of efficient and fast testing, convenient operation and easy technology

Active Publication Date: 2022-06-28
QINGDAO INST OF MARINE GEOLOGY
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Problems solved by technology

Based on the above comparison, it is obvious that the current conventional side-pressure creep test device cannot meet the needs of side-pressure creep testing of natural gas hydrate reservoirs.

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  • Apparatus and method for lateral pressure creep test of hydrate-containing sediment
  • Apparatus and method for lateral pressure creep test of hydrate-containing sediment
  • Apparatus and method for lateral pressure creep test of hydrate-containing sediment

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Embodiment Construction

[0046] In order to make the above objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0047] In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar promotions without departing from the connotation of the present invention. Accordingly, the present invention is not limited by the specific embodiments disclosed below.

[0048] figure 1 It is a natural gas hydrate indoor side pressure creep test device according to the present invention, including a hydraulic transmission module, a constant temperature control module, a natural gas hydrate synthesis module, a side pressure creep test module, ...

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Abstract

The invention relates to the field of testing basic physical properties of marine natural gas hydrate, in particular to an indoor creep test device and method for natural gas hydrate. Including hydraulic transmission module, constant temperature control module, natural gas hydrate synthesis module, side pressure creep test module, top pressure control module, hydraulic transmission module is connected with constant temperature control module, side pressure creep test module and top pressure control module respectively, constant temperature The control module is located outside the natural gas hydrate synthesis module, the side pressure creep test module is located in the center of the natural gas hydrate synthesis module, and the top pressure control module is located on the top of the natural gas hydrate synthesis module. It considers the effect of hydrostatic pressure in the reservoir on the top boundary of the reservoir, constructs the environmental conditions for simulating hydrate accumulation at high pressure and low temperature, and isolates the test section, which can eliminate the influence of hydrostatic pressure on the test results and realize the Testing of Reservoir Lateral Creep Mechanics Parameters.

Description

technical field [0001] The invention relates to the field of basic physical property testing of marine natural gas hydrate, in particular to a natural gas hydrate indoor creep test device and method. Background technique [0002] At present, with the advancement of global gas hydrate research from single exploration and evaluation to laboratory simulation + practical evaluation of test production, the mechanical properties of gas hydrate reservoirs have become the focus of research at home and abroad. The mechanical properties of the reservoir in the process of natural gas hydrate production are very important to the efficient and safe production of hydrates. The implementation of unassessed large pressure reduction production plans, unreasonable drilling plans, unreasonable fracturing stimulation plans, etc. All of them may cause the breaking of the mechanical stability of the original reservoir, causing the instability of the wellbore, and even the occurrence of submarine ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/12G01N33/24
CPCG01N3/12G01N33/24
Inventor 吴能友陈明涛李彦龙宁伏龙万义钊
Owner QINGDAO INST OF MARINE GEOLOGY
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