一种自坐封封隔器
By designing a self-setting packer, automatic setting is achieved using the pressure of the fluid column in the well, which solves the problem of difficulty in setting existing packers when the well depth is shallow or below the rod pump. This simplifies the operation process and improves oilfield production efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FUXIN CITY GASOLINEEUM TOOL FACTORY
- Filing Date
- 2025-11-06
- Publication Date
- 2026-07-17
AI Technical Summary
Existing packers cannot be pressurized and set at shallow well depths or below rod pumps, and mechanical setting is complex, requiring additional equipment and manual operation, resulting in low oilfield production efficiency.
A self-setting packer was designed, which utilizes a soluble timed sliding sleeve and a two-stage vacuum piston chamber structure to achieve automatic setting through the pressure of the fluid column in the well, avoiding the need for pressurization and repeated lifting and lowering of the tubing string. Soluble magnesium-aluminum alloy material is used to adjust the dissolution time.
It achieves fully automatic timed setting of packers, simplifies the operation process, improves construction efficiency, reduces costs, has wide applicability, is safe and reliable, and solves the problem of pressure buildup setting under rod pumps.
Smart Images
Figure CN224515155U_ABST