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CENTER DRILL WELL [3 records]

Record 1 2010-04-15

English

Subject field(s)
  • Various Proper Names
  • Types of Ships and Boats
  • Archaeology
CONT

... the Alcoa Seaprobe... an all-aluminium, diesel-electric-powered ship,... is 243 feet long, with a beam of 50 feet and a draft or about 13 feet. The Seaprobe is propelled by vertical axis cycloidal propellers fore and aft so she can hold a fixed position on deep water.... At the center of the Seaprobe is a derrick 125 feet high, like those on oil-drilling ships; beneath the derrick is a center well through which drill pipe is lowered.

French

Domaine(s)
  • Appellations diverses
  • Types de bateaux
  • Archéologie
CONT

[...], disposant d'un matériel sophistiqué, l'Alcoa Seaprobe américain est un navire en aluminium de 75 m de long et 16 m de large. Possédant des hélices à l'avant et à l'arrière, il peut se maintenir sur une position fixe. Il porte en son centre un mât de charge, un derrick de 40 m de haut, semblable à ceux des pétroliers. Au-dessous se trouve un puits de forage dont le conduit peut s'enfoncer de 25 cm par seconde jusqu'à 6 000 m de profondeur.

Spanish

Save record 1

Record 2 2003-09-11

English

Subject field(s)
  • Oil Drilling
  • Equipment (Oil and Natural Gas Extraction)
DEF

A walled, round hole or well in the hull of a drill ship(usually in the center) through which the drilling and other assemblies pass while a well is being drilled, completed, or abandoned from the drill ship.

CONT

Unlike traditional vessels, [drill vessels] are modified by a center opening through the vessel for conducting drilling operations. This center opening is commonly called a "moonpool."

CONT

Most of the development of equipment and technology for rotary drilling from floating vessels started with an extensive shallow-hole coring operation off the coast of California in the Santa Barbara Channel. The very first operations were conducted "over the side" of the drill vessel, but these were quickly supplanted by vessels designed with a center drill well or "moonpool. "

CONT

The center drill well is located with the center of gravity of the vessel to minimize the effect of rotational motion. The derrick or mast is located over the drill well with the pipe racks adjacent either fore or aft.

Key term(s)
  • moon-pool

French

Domaine(s)
  • Forage des puits de pétrole
  • Outillage (Extraction du pétrole et du gaz)
DEF

Ouverture pratiquée dans la coque d'un navire de forage ou dans le plancher d'une plate-forme pour donner passage aux équipements de forage.

CONT

Une ouverture de 5 m de diamètre, ou plus, au centre de la plate-forme ou de la coque du bateau permet l'immersion des équipements sous-marins, assemblés, essayés sur un pont particulier [...]. Cette ouverture appelée «slot» ou «moonpool» est traversée par deux poutres horizontales rétractables servant de support des ensembles avant immersion. (Forages, no54, janvier - mars 1972, p. 40).

OBS

Moonpool est réservé à une ouverture centrale. Slot s'emploie quand cet espace est aménagé dans l'un des côtés de la plate-forme (notamment sur les plates-formes triangulaires). Cet orifice est généralement rectangulaire, mais sur les premières unités de forage (navires, barges), il était circulaire, d'où, probablement, son appellation.

OBS

Il n'y a pas d'équivalent français attesté. Nous proposerions : la porte, si ce mot ne désignait pas déjà une autre réalité (ouverture aménagée dans un côté du derrick). On pourrait dire : la trappe, la piscine, la lucarne ...

Spanish

Campo(s) temático(s)
  • Perforación de pozos petrolíferos
  • Equipo para extracción de petróleo y gas natural
Save record 2

Record 3 2001-07-25

English

Subject field(s)
  • Oil Drilling
CONT

In addition to the rig, the platform will also support living quarters for the crew, say fifty men, cranes and storage racks for drill pipes, drill collars, casing and probably production equipment.

CONT

Three 8-hr shifts or tours (pronounced towers) per day are normally worked on a land rig close to civilization. On more remote locations with living quarters and on offshore rigs, 12-hr tours are worked, with provision for regular time off.

CONT

"A Deep-Water Platform in the Santa Barbara Channel" relates events in the construction and installation of the structure in 850 ft of water. The 28-well-conductor, pile-founded structure will support a drilling rig, production equipment, and personnel quarters.

CONT

Crew quarters,... recreation areas, and office space are... located in the opposite direction from the center drill well in order to minimize disturbance caused by the operation of equipment.

French

Domaine(s)
  • Forage des puits de pétrole
CONT

tender : barge ancrée en permanence à côté d'une plateforme fixe de production et sur laquelle se trouvent les quartiers d'habitation, le râtelier à tuyaux, le système de lavage des boues, etc.

CONT

Outre l'appareil de forage proprement dit, ces installations comportent divers services qui en font de véritables usines flottantes. On y trouve en particulier : un quartier d'habitation pour une cinquantaine de personnes; un héliport pour le transport du personnel; [...]

Spanish

Save record 3

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