semisubmersible


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sem·i·sub·mers·i·ble

 (sĕm′ē-səb-mûr′sə-bəl, sĕm′ī-)
n.
1. Any of various self-propelled water vessels designed so that most, but not all, of the structure is submerged, including vessels with decks close to the waterline for transporting large structures such as oil rigs and disabled ships, and vessels with minimal structure above the waterline for avoiding detection.
2. A seagoing, self-propelled barge that has partially submerged vertical legs attached to underwater hulls or pontoons and serves as living quarters and a base of operations in offshore drilling. In this sense also called semisubmersible rig.

sem′i·sub·mer′si·ble adj.

semisubmersible

(ˌsɛmɪsəbˈmɜːsəbəl)
adj
1. (Mining & Quarrying) nautical (of an oil rig or watercraft) that can put much of its bulk under water
2. (Nautical Terms) nautical (of an oil rig or watercraft) that can put much of its bulk under water
n
3. (Nautical Terms) nautical a watercraft that can put much of its bulk under water
4. (Mining & Quarrying) mining a shortened form of semisubmersible rig

sem•i•sub•mers•i•ble

(ˌsɛm i səbˈmɜr sə bəl, ˌsɛm aɪ-)

n.
1. Also called sem′isubmers′ible rig′. a self-propelled barge mounted on legs supported by underwater pontoons, on which offshore drilling crews live and work.
adj.
2. of or for a semisubmersible.
[1960–65]
References in periodicals archive ?
M2 EQUITYBITES-February 19, 2018-Northern Offshore divests semisubmersible energy driller for undisclosed fee
Contract awarded for Supply of mooring equipment services to Safe Zephyrus semisubmersible
TELECOMWORLDWIRE-September 9, 2016-ITC Global awarded 3-year contract to connect semisubmersible drilling rig
NORDIC BUSINESS REPORT-June 10, 2011--Floatel orders semisubmersible for USD283m in Singapore(C)2011 M2 COMMUNICATIONS http://www.
Summary: The Southern Cross semisubmersible drilling rig has reached the Lambouka-1 well site offshore Tunisia, says ADX Energy Ltd.
Ensco's drillship and semisubmersible rigs successfully mobilized away from the storm and a flyover inspection indicates no damage to the Company's jackup rigs that were secured and evacuated ahead of the hurricane.
M2 EQUITYBITES-September 9, 2016-ITC Global awarded 3-year contract to connect semisubmersible drilling rig
8m research project included the CFD analysis and model testing of conventional semisubmersibles and Houston Offshore Engineering, an Atkins company s proprietary paired-column semisubmersible hull forms.
Atwood will be providing the Atwood Southern Cross semisubmersible offshore drilling unit to conduct the work program.
NYSE:DO) today announced that a subsidiary has entered into a contract with Jurong Shipyard of Singapore to build a moored semisubmersible rig with delivery scheduled for the second quarter of 2014.
The company said the Japanese Marubeni exercised its right to cancel its deal early, effective in August, for the Ensco 8505 semisubmersible, which operated at a dayrate in the low $150Ks.
M2 EQUITYBITES-May 5, 2015-Helix Energy announces delivery of Q5000 semisubmersible well intervention vessel from the Jurong Shipyard