Wellhead aerocyclone moisture trap for gas wells

The wellhead aerocyclone moisture trap effectively addresses the reliability and accuracy issues of existing rock traps by efficiently separating and collecting moisture and impurities, simplifying design and operation while maintaining research integrity.

RU2865469C1Active Publication Date: 2026-07-03OBSHCHESTVO S OGRANICHENNOJ OTVETSTVENNOSTYU GAZPROM PKHG
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Patent Information

Application Number
RU2025130952
Authority / Receiving Office
RU · RU
Patent Type
Patents
Current Assignee / Owner
Filing Date
2025-11-10
Publication Date
2026-07-03
Estimated Expiration
2045-11-10

AI Technical Summary

Technical Problem

Existing rock traps for gas wells in underground gas storage facilities suffer from low operational reliability, inaccurate impurity detection, and inability to collect moisture for analysis, with designs being complex and unreliable at low temperatures, and existing separators have design complexities and reliability issues affecting impurity quantification.

Method used

A wellhead aerocyclone moisture trap with a swirler, cyclone baffle, and diffuser design that separates moisture and mechanical impurities efficiently, allowing for easy maintenance and accurate collection without releasing gas into the atmosphere.

Benefits of technology

The device ensures reliable collection and analysis of moisture and mechanical impurities, simplifies design, and maintains operational efficiency across various modes without atmospheric release.

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Abstract

FIELD: oil and gas production.SUBSTANCE: invention relates to the field of studying gas wells, primarily those operated in underground gas storage facilities. The moisture trap consists of a housing, to the upper part of which a flange is attached, through which the lower branch pipe passes. At the end of the branch pipe, a flow swirler is installed, forming an annular channel with the body, hydraulically connected to the inlet branch pipe by a tangential channel of the body. A cyclonic baffle is located under the swirl element, and the lower end of the nozzle is equipped with a perforated partition. The upper end of the lower branch pipe is connected to a tee, which is connected to the upper branch pipe and flange. Attached to the lower part of the moisture trap body is the moisture accumulator body, in the upper part of which is a diffuser, and attached to the lower part is a flange equipped with a plug and a nut. The tee branch is equipped with a pressure relief valve, and a control and measuring instrument unit is installed on the flange of the upper branch pipe. Flanges are installed at the ends of the inlet and outlet pipes of the device for connection to the wellhead equipment and the well flowline.EFFECT: collection of moisture, mechanical impurities and rock particles in the gas flow under various well operating conditions without release into the atmosphere.1 cl, 2 dwg
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Citation Information

Patent Citations

  • Gas well wellhead tubular external circulation cyclone dewatering device

    CN108999605A

  • Swirl formula of flowing automatically purifies takes off liquid ware

    CN204851212U

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  • X-mas tree for operation of wells in conditions of active ingress of water and sand and its mode of operation

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  • Device for dehumidification of compressed gas

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