Tubing internal arbitrary position setter
Through innovative design of components such as the central tube and slip fixing cylinder, stable locking at any position inside the oil pipe is achieved, solving the problems of low position accuracy and complex operation in existing technologies, improving the success rate of operations and reducing costs.
CN122148208APending Publication Date: 2026-06-05PETROCHINA CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- PETROCHINA CO LTD
- Filing Date
- 2024-12-03
- Publication Date
- 2026-06-05
AI Technical Summary
Technical Problem
Existing tubing clamps have low positioning accuracy, are complex to operate, and have a low success rate.
Method used
It adopts a combination structure of central tube, slip fixing cylinder, locking outer cylinder, fixed outer cylinder and lower connector, and achieves stable locking at any position inside the oil pipe through the cooperation of track pin, locking block and one-way locking component.
Benefits of technology
It improves the accuracy of positioning, simplifies the operation process, reduces the skill requirements for operators, increases the success rate of operations, and reduces the cost of oil and gas production.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN122148208A_ABST
Abstract
The present application relates to the technical field of plunger gas lift, and discloses an arbitrary position clamp device in oil pipe, which comprises a center pipe, a slip fixing cylinder, a locking outer cylinder, a fixed outer cylinder and a lower joint, the inner side of the lower end of the slip fixing cylinder is fixedly provided with the locking outer cylinder, the inner side of the lower end of the locking outer cylinder is fixedly provided with the fixed outer cylinder, the outer side of the lower end of the fixed outer cylinder is fixedly provided with the lower joint, and the center pipe is arranged in the locking outer cylinder and located on the inner side of the upper part of the fixed outer cylinder. The present application has the advantages of reasonable structure, compactness, convenience in use, avoidance of the up-and-down movement of the center pipe during the lowering process through the arrangement of the track pin in the short groove and the locking block in the locking ring groove, release of the restriction on the up-and-down movement of the center pipe through the arrangement of the track pin in the lower groove and the separation of the locking block from the locking ring groove, realization of the clamping of the slip seat through the arrangement of the track pin in the long groove, and avoidance of the upward movement of the center pipe relative to the locking outer cylinder through the cooperation of the inner and outer retreat teeth, and the present application has the characteristics of stability, reliability and high efficiency.
Need to check novelty before this filing date? Find Prior Art