Streamer bulkhead
US4296481A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 17, 1979 |
| Grant date | Oct 20, 1981 |
| Priority date | — |
| Expiry date | Dec 17, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V13/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A bulkhead for a marine seismic streamer section comprises a generally cylindrical body of rigid tough plastics material such as polycarbonate polymer, having an axial hole therethrough, through which passes the electric conductor bundle of the streamer section, and peripheral radial slots with hemicylindric bottoms receiving the tension lines of the streamer section. The bulkhead has an annular circumferential groove which is radially as deep as the axes of the bottoms of the slots and in which is disposed a belt of phosphor bronze, or stainless steel, or other strong corrosion resistant metal. The belt holds the tension lines in the slots and holds together the bulkhead, which is made of two sectors. One sector is greater than 180 degrees in extent and the other is less than 180 degrees in extent, e.g. the one sector may extend 240 degrees and the other 120 degrees. The split bulkhead is used as a replacement for one or more broken integral bulkheads in a streamer section, such section including a flexible outer tube with electrical and mechanical connection means at its ends, a plurality of mechanical tension lines extending inside the tube from one connector means to the other,…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.