Ball dropping tool method and apparatus
US7537052B2 · kind B2 · utility
13Cited by
34References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 2007 |
| Grant date | May 26, 2009 |
| Priority date | — |
| Expiry date | Oct 16, 2027 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/068
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In one embodiment a method and apparatus for an improved ball dropper is provided. 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.