Underground liquid sampling tool

A liquid sampling and tool technology, applied in the sampling device and other directions, can solve the problems of inaccurate sampling, complex structure, and poor sample preservation, and achieve the effect of good fidelity

Pending Publication Date: 2018-10-30
HUNAN VICTOR PETROTECH SERVICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented device has two channels: an upper passage for liquids (liquid) from inside pipes), while another passage allows outside fluids like gases to flow into it without escaping any substances during testing procedures. These devices are designed to make sure they work properly when used correctly by pulling them up slowly over long distances.

Problems solved by technology

The technical problem addressed by this patented technology relates to how fast and accurate analysis can occur for analyzing liquids from underground formations while also maintaining their integrity over time.

Method used

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  • Underground liquid sampling tool
  • Underground liquid sampling tool

Examples

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Embodiment Construction

[0017] like figure 1 As shown, the downhole liquid sampling tool provided by the present invention includes an upper joint 1, a sample tube 2, a valve seat 4, a one-way ball valve 3, a connecting sleeve 5, a sealing tube 6, a shearing tube 8, and a positioning head 10; The lower end of the joint 1 is threadedly connected with the upper end of the sample tube 2, the lower end of the sample tube 2 is connected with the upper end of the valve seat 4 provided with a flow channel 401 with a sealed thread, and the one-way ball valve 3 is threaded and sealed. The upper end surface of the valve seat 4 communicates with the flow channel 401, the connecting sleeve 5 is threadedly connected with the lower end of the valve seat 4, and the sealing pipe 6 is arranged in the connecting sleeve 5 and is connected with the lower end surface of the valve seat 4 to seal the thread. And communicate with the flow channel, the shearing tube 8 is set in the connecting sleeve 5 and is sleeved on the seal

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PUM

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Abstract

The invention discloses an underground liquid sampling tool. The underground liquid sampling tool comprises an upper joint, a sample pipe, a valve seat, a one-way ball valve, a connecting sleeve, a sealing pipe, a shearing pipe and a positioning head, wherein the upper joint is linked with the sample pipe; the sample pipe is linked with the valve seat provided with a runner; the one-way ball valveis arranged on the upper end surface of the valve seat and is communicated with the runner; the connecting sleeve is connected with the valve seat; the sealing pipe is arranged in the connecting sleeve, is connected with the valve seat and is communicated with the runner; the shearing pipe is arranged in the connecting sleeve and sleeves on the sealing pipe, is provided with step-shaped inner holes with large and small inner diameters and is matched with the sealing pipe; a first channel is formed in the sealing pipe; a sealing surface is formed between the sealing pipe and the inner holes with the small inner diameters of the shearing pipe; a second channel is formed in the pipe wall on the inner hole with the large inner diameter; and the shearing pipe is positioned on the connecting sleeve through a shearing pin and is connected with the positioning head. The underground liquid sampling tool can accurately arrive at a preset position so as to acquire a pressure-maintaining and retained ample from underground liquid. The underground liquid sampling tool is simple, effective, accurate and reliable.

Description

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Claims

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Application Information

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Owner HUNAN VICTOR PETROTECH SERVICE
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