Omni-directional horizontally orientaed deflecting tool for coiled tubing

US11946374B2 · kind B2 · utility

Assignee

• Southwest Petroleum University · CN

Inventors

• Yang Tang · Pleasanton, US
• Miantao Guan · Chengdu, CN
• Yulin Zhang · Chengdu, CN
• Peng Zhao · Xi'an, CN
• Guorong Wang · Chengdu, CN
• Jinhai Zhao · Houston, US
• Qingyou Liu · Chengdu, CN
• Jinzhong Wang · Chengdu, CN
• Xiang Gao · San Jose, US
• Yufa He · Beijing, CN
• HU-FEI DENG · Nanhu, CN
• Liming Fan · Sichuan, CN
• Rutao Ma · Beijing, CN

Key dates

• Filing date: Jul 5, 2023
• Grant date: Apr 2, 2024
• Expiry date: Jul 5, 2043

Classification

• Technology area (CPC E): Fixed Constructions
• CPC primary: E21B23/0411
• WIPO field: Civil engineering
• WIPO sector: Other fields

Abstract

The disclosure relates to an omni-directional horizontally oriented deflecting tool for a coiled tubing, which includes an inner central pipe, an outer central pipe, a conical outer cylinder, a piston outer cylinder, an anchoring mechanism, a sealing mechanism, a reversing mechanism and a steering mechanism. The anchoring mechanism includes a cone, an O-shaped sealing ring I, a cone spring, a slip, a slip spring, a slip seat, a claw I and a pin shaft I, and the sealing mechanism includes a piston, an O-shaped sealing ring II, a claw II, a pin shaft II, an upper rubber cylinder seat, a rubber cylinder, a connecting cylinder, a lower rubber cylinder seat and a gasket.