Fishing device for downhole throttler of natural gas well
By adopting the cooperation of the inclined abutment block and the groove in the fishing device of the downhole choke of the natural gas well, the problem of high cost caused by the complex structure of the existing device is solved, and the effect of rapid fishing and low cost is achieved.
CN223330538UActive Publication Date: 2025-09-12YANAN AOWEI PETROLEUM ENG TECH CO LTD
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Patent Information
- Application Number
- CN202423065237.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Technical Problem
The existing fishing device for the downhole choke of a natural gas well has a complex structure, resulting in high production costs.
Method used
A salvage device including a salvage outer tube and a downhole choke release joint is designed. By utilizing the cooperation of multiple inclined abutment blocks and grooves, the choke is firmly clamped and quickly salvaged through friction, which simplifies the structure and reduces the number of components.
Benefits of technology
The rapid salvage of the throttle is achieved, the production cost is reduced, and the device structure is simplified.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN223330538U_ABST
Abstract
The utility model relates to the technical field of operation tools for natural gas wells, in particular to a fishing device for an underground throttler of a natural gas well, which comprises a fishing outer cylinder and an underground throttler releasing butt joint, the lower end of the fishing outer cylinder is of an opening structure, and a plurality of grooves distributed in an array mode are formed in the fishing outer cylinder. When the downhole throttler releasing butt joint completely enters the fishing outer barrel, the multiple inclined face abutting blocks abut against the outer wall of the downhole throttler releasing butt joint at the moment, then the fishing outer barrel is pulled, the multiple inclined face abutting blocks are driven by friction force between the multiple inclined face abutting blocks and the downhole throttler releasing butt joint to move downwards in an inclined mode, and the downhole throttler releasing butt joint is fished out of the fishing outer barrel. According to the fishing device for the underground throttler, the inclined face abutting blocks are tightly connected with the outer wall of the underground throttler releasing butt joint in an abutting mode, then the underground throttler releasing butt joint is firmly clamped and fixed through mutual matching of the inclined face abutting blocks and the grooves, the throttler is fished from the underground, and the fishing device is few in component parts, simple in structure and low in production cost.
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