Inspection methods for reprocessing non-metallic oilfield tools
US10781666B2 · kind B2 · utility
0Cited by
6References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 14, 2017 |
| Grant date | Sep 22, 2020 |
| Priority date | — |
| Expiry date | Jan 14, 2038 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The disclosure relates to reconditioned sucker rod, particularly to the sucker rods already used in the mechanical deep-pumping extraction of oil. The sucker rod comprises metal rod ends and a non-metallic body. The method of remanufacturing of reconditioned sucker rod includes subjecting used non-metallic sucker rods to a destructive pull test.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.