Compensator system for wellbore tubulars
US6056060A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 12, 1998 |
| Grant date | May 2, 2000 |
| Priority date | — |
| Expiry date | May 12, 2018 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/16
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A new joint compensator and systems with it and methods of their use have been invented which, in one aspect, includes a compensator system for compensating for the weight of at least one joint, which is a wellbore tubular member, the compensating system for use below a wellbore apparatus, the wellbore apparatus for supporting the at least one joint, the compensation system having a joint compensator suspended below the wellbore apparatus and connected thereto for selectively compensating for the weight of the at least one joint, a lower elevator suspended below and interconnected with the joint compensator for releasably holding the at least one joint, and a wellbore elevator connected to the wellbore apparatus for selectively supporting the joint compensator and the at least one joint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.