Well sampling device with anti-freezing function

A sampling device and a technology for water wells, which are applied in wellbore/well valve devices, wellbore/well components, earthwork drilling and mining, etc., can solve problems such as easy freezing and loss of sampling functions, and achieve convenient opening and closing, and structural simple effect

Inactive Publication Date: 2018-06-08
SHENZHEN JIAYUNTONG ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Moreover, these devices are basically located outdoors, and they are easy to freeze in winter in high cold areas, losing the sampling function

Method used

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  • Well sampling device with anti-freezing function

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Embodiment Construction

[0010] Combine below figure 1 , the present invention is further described:

[0011] Such as figure 1 As shown in , in this embodiment, the present invention includes a horizontal pipe body 1 and sampling valves arranged on the horizontal pipe body; same as the prior art, the sampling valves are arranged perpendicular to the horizontal pipe body.

[0012] In order to realize the object of the present invention, the sampling valve of the present invention has been improved in structure. A pair of mounting holes corresponding to the upper and lower sides is provided on the middle section of the horizontal pipe body, that is, a vertically symmetrical position is selected in the middle of the horizontal pipe body 1, and a hole is opened each, which is the mounting hole of the sampling valve. A sampling valve is vertically arranged in the two corresponding upper and lower mounting holes.

[0013] The sampling valve includes a valve seat 2 with a tubular structure and valve cores...

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Abstract

The invention provides a well sampling device with an anti-freezing function and belongs to the field of water sample taking devices of oilfield water injection wells. The well sampling device comprises a horizontal pipe body and a sampling valve arranged on the horizontal pipe body, wherein the sampling valve comprises a valve seat with a pipe-shaped structure and a valve element arranged in thevalve seat; a valve cap for connecting the valve seat and the valve element is arranged between the valve seat and the valve element; a water inlet hole is formed in a lower-part pipe wall of the valve seat; a lower-part tail end of the valve seat is of a circular platform structure with a vertical water outlet; the valve element is of a rod piece structure of a rod piece and the diameter of the upper part of the rod piece is greater than that of the lower part of the rod piece; a transition circular platform is connected between an upper-part large-diameter rod piece and a lower-part small-diameter rod piece. The well sampling device provided by the invention is simple in structure and convenient to open and close; the valve seat with the water inlet hole is utilized, so that the valve seat and the valve element are located in flowing liquid all the time only if water flows through the pipe body, and the effective anti-freezing effect is realized.

Description

Technical field: [0001] The invention relates to a water well sampling device with an antifreeze function, which belongs to the field of water sample intake devices for water injection wells in oil fields. Background technique: [0002] At present, most of the sampling valves in oilfield water wells are ordinary angle valves connected to the oil tree or the pipeline. These types of well sampling devices are self-contained and are usually installed at the end of the pipeline. Moreover, these devices are basically located outdoors, and are prone to freezing in winter in alpine regions, losing the sampling function. Invention content: [0003] The object of the present invention is to provide a water well sampling device with an antifreeze function, which has a simple structure and can effectively prevent freezing. [0004] The purpose of the present invention is achieved like this: [0005] A water well sampling device with antifreeze function, which includes a horizontal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B34/06E21B49/08
CPCE21B34/06E21B49/08
Inventor 刘永才李东禹
Owner SHENZHEN JIAYUNTONG ELECTRONICS
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