Patent · US Expired

Connection of underwater lines

US4329085A · kind A · utility

4Cited by
19References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 27, 1978
Grant dateMay 11, 1982
Priority date
Expiry dateDec 27, 1998

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16L1/26
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

Underwater flow lines, control lines and electrical conduits are connected to mating hubs on an underwater manifold center or other production unit by utilizing hydraulically powered means for pulling the lines toward the mating hubs and aligning them therewith, lock-down means actuated from the surface being utilized to lock the lines in axial alignment with the hubs, and a seal member being lowered from the surface and inserted between the facing hubs, with a split clamp being used to draw the hubs into sealing engagement with the seal means.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.