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An intelligent vane screw spring leg vacuum sampler

A sampler and vacuum type technology, applied in the field of vacuum type samplers of intelligent blade screw spring legs, can solve problems such as production reduction, wellbore liquid accumulation, natural gas exploitation hazards, etc.

Active Publication Date: 2022-01-28
SOUTHWEST PETROLEUM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is very harmful to the exploitation of natural gas. In the slightest, it will reduce the output, and in the worst case, it will lead to fluid accumulation in the wellbore, water flooding, spraying stop, etc.

Method used

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  • An intelligent vane screw spring leg vacuum sampler
  • An intelligent vane screw spring leg vacuum sampler
  • An intelligent vane screw spring leg vacuum sampler

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] The specific implementation of the present invention will be further described below.

[0021] Such as figure 1 As stated, the device of the present invention includes: valve core, magnetic isolation ring, spring, blade, blade shaft, control end cover, movable end pin, battery, battery cover, one-way valve, gas storage tank, gas storage tank, plug , upper valve body, spring leaf, fixed end pin, coil, travel recorder, lower housing, air hole, stop bolt, blade tank, motor end cover 1, blade motor, control chip, threaded movable frame, screw rod, The motor end cover 2 and the supporting motor are composed; the blade groove is a symmetrical semi-hollow disc with a groove on the edge, which is connected with the sampler shell through thread fit; the outer circumference of the blade is two opposite blades, and the center core is passed through a key It is fixedly connected with the motor shaft in the circumferential direction, and the edge is embedded in the groove formed by...

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PUM

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Abstract

The invention discloses an intelligent sampler used in the natural gas development industry, which comprises a blade (5), a blade shaft (6), a battery (10), a one-way valve (12), a gas storage tank (13), Gas storage tank (14), plug (16), upper valve body (17), spring leaf (18), travel recorder (21), vane tank (25), vane motor (28), control panel (29) , threaded movable frame (30), screw mandrel (31), support motor (33), etc.; utilize the blade motor (28) to rotate and move, thereby rotating the blade (5), and then control the area of ​​the joyride, and control the lifting of the sampler; The thread fits to convert the rotary motion of the support motor (33) into a linear motion, and compresses and releases the spring sheet (18) to stabilize the sampler in the target layer; utilize the travel recorder (21) to determine the position of the sampler formation; the present invention has a structure The advantages of simplicity, low cost, and innovative ideas.

Description

technical field [0001] The invention relates to the technical field of sampling devices, in particular to an intelligent blade screw rod spring leg vacuum sampler. Background technique [0002] With the continuous development and progress of oilfield development technology, my country's petroleum industry is currently paying more and more attention to the authenticity and reliability of oil and gas samples from exploration and development oil and gas wells. Obtaining first-hand real and effective oil and gas sample data is of great importance to the exploitation of oil and gas resources. important role. [0003] In the initial stage of gas reservoir exploitation, the downhole pressure of the gas well is sufficient, and the gas flows normally. With the development of the production process, the recovery rate increases and the formation pressure decreases, and the production is often accompanied by the invasion of edge and bottom water and condensate oil. On the one hand, thes...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B49/08
Inventor 黎伟舒晨旭蒋少玖邹星罗献科陈曦夏杨李配胡亚军邓琅
Owner SOUTHWEST PETROLEUM UNIV