Coalbed gas electronic pressure gauge
By employing an interlocked protective housing and a multi-layer sealing structure in the coalbed methane electronic pressure gauge, the problem of sealing failure under high temperature and high pressure conditions is solved, ensuring long-term stable operation of the equipment in coalbed methane wells.
CN224064338UActive Publication Date: 2026-03-31XIAN ROGER PETROLEUM INSTR CO LTD
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Patent Information
- Application Number
- CN202520890978.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-08
- Publication Date
- 2026-03-31
- Estimated Expiration
- 2035-05-08
AI Technical Summary
Technical Problem
Existing electronic pressure gauges are prone to sealing failure in the high temperature and high pressure environment of coalbed methane wells, which leads to a shortened equipment life.
Method used
The protective housing of the functional unit is interlocked, and a seal is set at the interlocking connection. An external sealing assembly is added, including a sealing housing and a high-temperature resistant sealing adhesive layer, forming a multi-layer sealing structure to enhance the sealing performance.
Benefits of technology
It effectively isolates the equipment from high temperature, high pressure and corrosive media, prevents seal failure, and improves the service life and measurement stability of the equipment in coalbed methane wells.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model discloses an electronic pressure gauge for coal bed gas. The pressure gauge comprises a functional unit and a protective shell arranged outside the functional unit, the functional unit is used for positioning the pressure gauge, acquiring and processing pressure information and fixing the pressure gauge; the protection shells of the function units are in interlocking connection, sealing pieces are arranged at the interlocking connection positions respectively, and sealing assemblies are arranged outside the protection shells of the function units related to the circuit. The sealing assembly is wrapped in a protective housing of a functional unit related to the circuit device. The protection shells of the function units are sequentially connected in an interlocking mode to form mechanical interlocking, sealing failure caused by structure loosening and falling is avoided, sealing pieces are arranged at the interlocking connecting positions respectively for sealing the connecting positions, the protection shells related to circuits are wrapped with sealing assemblies, and therefore the sealing effect is improved. Therefore, collaborative protection of a multi-layer sealing and interlocking structure is formed, and the problem that in the prior art, an electronic pressure gauge is prone to sealing failure in a coal bed gas well is solved.
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