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Rotary experiment platform for fidelity coring device

The technology of an experimental platform and coring device, which is applied in the direction of instruments, undisturbed core extraction devices, and measurement, can solve the problems that the pressure test chamber cannot meet the needs, and achieve the effects of authentic test results, improved accuracy, and prevent damage

Pending Publication Date: 2020-08-25
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing pressure test chambers can only conduct experiments in one fixed position.
In actual exploration work, there will be vertical drilling, horizontal drilling, inclined drilling, etc., so the existing pressure test chamber cannot meet the needs

Method used

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  • Rotary experiment platform for fidelity coring device
  • Rotary experiment platform for fidelity coring device
  • Rotary experiment platform for fidelity coring device

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0034] like figure 1 , 2 , 3, the rotary fidelity corer experimental platform disclosed by the present invention includes a casing 8, a pressure test cabin 10 for simulating the fidelity corer fidelity cabin, and the casing 8 can be horizontally A rotary drive mechanism 6 and a linear drive mechanism 7 that rotate from the vertical state to the vertical state or from the vertical state to the horizontal state. The pressure test cabin 10 includes a cabin body and a central rod 2 . The box body 8 is an explosion-proof box, and a mounting seat 80 is arranged in the box body 8, and the cabin body is fixed on the mounting seat 80.

[0035] The rotary driving mechanism 6 includes a motor 61 , a transmission mechanism, a movable block, a support arm 65 and a support 64 , and the bottom end of the box body 8 is movably connected with the support 64 .

[0036] The transmission mechanism converts the rotational motion of the motor 61 into the linear motion of the movable block 63 , o...

Embodiment approach 1

[0057] In Embodiment 1, the pressure-holding experimental cabin is connected to the hydraulic pipeline by drilling holes in the cylinder wall. The drilling of the drilling rig will damage the pressure-holding experimental cabin, thereby making the experimental results untrue.

[0058] like Figure 8 , 9 , 10, the cabin body in the present embodiment comprises a first experimental piece 11, a second experimental piece 12 and an intermediate connector 13, the first experimental piece 11 is the upper end of the outer cylinder 1 of the pressure-holding experimental cabin, and the second experimental piece 12 It is the lower end of the outer cylinder 1 of the pressure-holding experimental cabin, and the intermediate connecting piece 13 is a cylindrical structure; the first experimental piece 11 and the second experimental piece 12 are connected through the intermediate connecting piece 13, and the liquid injection hole 14 is arranged on the cylinder of the intermediate connecting p...

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Abstract

The invention relates to a rotary experiment platform for a fidelity coring device. The rotary experiment platform comprises a box body, a pressure experiment cabin used for simulating a fidelity cabin of the fidelity coring device and a rotary driving mechanism enabling the box body to change between the horizontal state and the vertical state, wherein the pressure experiment cabin comprises a cabin body fixedly installed in the box body, the rotary driving mechanism comprises a motor, a transmission mechanism, a movable block, a supporting arm and a support base, the bottom end of the box body is movably connected with the support base, the transmission mechanism converts rotary movement of the motor into linear movement of the movable block, and the two ends of the supporting arm are movably connected with the movable block and the box body respectively. According to the rotary experiment platform, convenience is brought for the pressure experiment cabin to switch among the horizontal state, the slant state and the vertical state, the pressure maintaining performance of a pressure-maintaining experiment cabin under conditions like vertical drilling, horizontal drilling and slantdrilling and reliability of motions of parts like a center rod, a flap valve and a core barrel can be verified, and the feasibility and scientificity of a design scheme are convenient to verify, andso that improvement in the fidelity cabin in terms of the structure and material is facilitated.

Description

technical field [0001] The invention relates to the technical field of coring device experimental systems, in particular to a rotary fidelity coring device experimental platform. Background technique [0002] The physical, mechanical, chemical and biological properties of deep rocks are closely related to their in-situ environmental conditions. The loss of in-situ environment during the coring process will lead to irreversible distortion of the physical, chemical and mechanical properties of the core. The core and key of the research is How to obtain in-situ cores under deep environmental conditions, and perform real-time loading tests and analysis under in-situ fidelity. [0003] The current in-situ fidelity coring device uses a drilling tool to drill the core and stores the core in the fidelity chamber, and then uses the fidelity chamber pressure maintaining control device to seal the sample under pressure. [0004] The pressure-holding performance of the fidelity chamber...

Claims

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Application Information

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IPC IPC(8): E21B25/10E21B25/02E21B25/16E21B47/00G09B25/04
CPCE21B25/10E21B25/02E21B25/16E21B47/00G09B25/04
Inventor 吴年汉谢和平高明忠陈领李聪李佳南何志强杨明庆余波胡云起
Owner SICHUAN UNIV
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