Ball dropping tool method and apparatus
US7281589B2 · kind B2 · utility
14Cited by
30References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2006 |
| Grant date | Oct 16, 2007 |
| Priority date | — |
| Expiry date | Jul 27, 2026 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/068
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
One embodiment includes a method and apparatus for an improved ball dropper. In one embodiment the method and apparatus can be used to drop various objects into the well bore from the rig. In one embodiment, when the well is pressurized the tool can be loaded with one or more items to be dropped.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.