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an experimental device

An experimental device and sampler technology, which is applied in the field of experimental devices, can solve problems such as the inability to guarantee the accuracy of research results, and achieve the effects of avoiding elemental sulfur precipitation, accurate elemental sulfur content, and accurate measurement results

Active Publication Date: 2020-05-08
PETROCHINA CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Domestic research on sulfur saturation is mostly based on theory and model research, and the accuracy of the research results cannot be guaranteed
At present, there is no relevant experimental device for determining the solubility of elemental sulfur in sulfur-containing gases.

Method used

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Embodiment Construction

[0027] In order to make the technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] An embodiment of the present invention provides an experimental device, such as figure 1 As shown, it includes a displacement pump 1, a first sampler 6, a high temperature tank 18, a back pressure pump 21, a control valve 20, an adsorption tank 23, a low temperature tank 48, a flow meter and a collection tank 35, wherein,

[0029] The outlet of the displacement pump 1 communicates with the inlet of the first sampler 6, the outlet of the first sampler 6 communicates with the first inlet of the control valve 20, the second inlet of the control valve 20 communicates with the outlet of the back pressure pump 21, and the control The outlet of the valve 20 is communicated with the first opening of the adsorption tank 23, and the second opening of the ...

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Abstract

The invention provides an experimental device. An outlet of a displacement pump is in communication with an inlet of a first sampling device. An outlet of the first sampling device is in communicationwith a first inlet of a control valve. A second inlet of the control valve is in communication with an outlet of a return pressure pump. An outlet of the control valve is in communication with a first opening of an adsorption tank, a second opening of the adsorption tank is in communication with a flowmeter, and a third opening of the adsorption tank is in communication with a collection tank. The first sampling device locates in a high temperature chamber. The adsorption tank locates in a low temperature chamber. A valve is arranged between the outlet of the first sampling device and the first inlet of the control valve. A valve is arranged between the third opening of the adsorption tank and the collection tank, and the collection tank is adapted to be heated. The dissolvability of sulfur element in a sulfur-containing gas, calculated based on a gas flow measured by the device provided by the invention and the quantity of elemental sulfur, is more precise.

Description

technical field [0001] The invention relates to the technical field of oil and gas exploitation, in particular to an experimental device. Background technique [0002] Compared with conventional gas reservoir development, the dissolution and deposition of elemental sulfur exist in high-sulfur gas reservoirs. The solubility of elemental sulfur in high-sulfur gases decreases as pressure and temperature decrease. Elemental sulfur is deposited when the sulfur content of the gas is greater than the solubility of sulfur. The deposited elemental sulfur will not only block the formation, greatly reduce the permeability of the formation, seriously affect the productivity of the gas well, but also bring harm to the normal production, transportation and management of the gas well. Therefore, it is necessary to accurately measure and calculate the solubility of elemental sulfur in fluids of high-sulfur gas reservoirs, so as to provide an important foundation and basis for rational dev...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N7/00G01N5/00
CPCG01N5/00G01N7/00
Inventor 王丽丁钊张地洪唐大卿杨学锋刘彤万莹
Owner PETROCHINA CO LTD
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