Mobile multi-function rig
US6003598A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 2, 1998 |
| Grant date | Dec 21, 1999 |
| Priority date | — |
| Expiry date | Jan 2, 2018 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/22
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A mobile hybrid rig adapted to run coiled tubing (CT) and wireline equipment for oil and gas wells can also accommodate conventional joined pipe for drilling of shallow wells. The rig incorporates: a chassis and power unit for rig transport; an adjustable platform with a number of hydraulically operated stabilizers for alignment to wellhead; a mast pivotable into slanted or vertical positions for CT operation with a Blow Out Preventer (BOP) and an injector; a cradle for supporting the injector and aligning it to the wellhead; a CT reel cartridge assembly adapted to running currently available CT reels; a winching facility for manipulating wireline equipment; and a control cabin for managing rig activities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.