Tool for inspecting the upper end of a string of casing set in the bottom of a body of water
US4411014A · kind A · utility
2Cited by
2References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 26, 1981 |
| Grant date | Oct 18, 1983 |
| Priority date | — |
| Expiry date | Jun 26, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N23/18
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An inspection tool for detecting any flaws or defects in the upper end of a string of casing set in the bottom of a body of water. The tool has a cylindrical housing carrying a radiographic-sensitive film which fits over the open end of the string of casing and a radiographic source supported in the axis of the cylindrical housing. Means are provided for raising and lowering the tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.