Downhole explosion robot based on planetary roller screw telescoping and traction method thereof
US11668148B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 9, 2022 |
| Grant date | Jun 6, 2023 |
| Priority date | — |
| Expiry date | Nov 9, 2042 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/263
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention relates to the technical field of development of underground resources such as petroleum, natural gas, geothermal energy, etc., in particular to a downhole explosion robot based on planetary roller screw telescoping and traction method thereof. The present invention provides a downhole explosion robot based on planetary roller screw telescoping and traction method thereof, comprising a rear joint, a rear main body, a telescopic sub, a front main body, and a front joint, and the rear main body is provided with a rear control sub and a rear support sub; the front main body is provided with a front support sub and a front control sub, and the telescopic sub is respectively connected with the rear support sub and the front support sub. The invention has the advantages of reliability and stability, with less impact on the tube string, and can be applicable to smaller wellbore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.