| 摘要 |
PCT No. PCT/NO87/00039 Sec. 371 Date Jan. 25, 1988 Sec. 102(e) Date Jan. 25, 1988 PCT Filed May 22, 1987 PCT Pub. No. WO87/07232 PCT Pub. Date Dec. 3, 1987.An apparatus for carrying out operations under water having a twin hull autonomous submarine which in the space between two pressure hulls is provided with a cargo hold having an apparatus for receiving and carrying cargo units. The compartment between the pressure hulls is outwardly limited by inward hatches in the submarine's hydrodynamic outer hull (form hull). In the hold longitudinal running levels on both of the pressure hulls for at least one traverse crane and at least one cargo carrying wagon, as well as, preferably, a belly manipulator. The apparatus is used to carry out various operations in an underwater production system.
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