TERMIUM Plus^®

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Improved technology and continuing exploration activity gave rise to additional seismic datasets...  1, fiche 1, Anglais, - continuing%20exploration%20activity

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[...] les technologies d'énergies conventionnelles exploitent des sources énergétiques concentrées à l'aide de technologies dont les coûts d'investissement sont très importants et dont la caractéristique d'épuisement impose une activité d'exploration continue pour de nouveaux sites à exploiter.  1, fiche 1, Français, - activit%C3%A9%20d%27exploration%20continue

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The qualified work expenditures are associated with exploration activity, including seismic and drilling activity...  1, fiche 2, Anglais, - exploration%20activity

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Ocean noise pollution is a growing problem. Every day, marine life is threatened by a harsh array of industrial noise from shipping, seismic exploration, and naval sonar. This endless bombardment of ocean noise is harming and even killing sea creatures.  1, fiche 5, Anglais, - ocean%20noise%20pollution

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[...] la pollution sonore océanique [...] touche toute la faune, du zooplancton à la baleine. Ce facteur, encore mal connu, menace de nombreuses espèces et fait partie des paramètres permettant d'évaluer l'état de santé d'un océan.  2, fiche 5, Français, - pollution%20sonore%20de%20l%27oc%C3%A9an

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Exploration geologists use geophysical techniques, such as seismic and electromagnetic methods, to forecast where mineral deposits may be located for extraction purposes.  3, fiche 7, Anglais, - exploration%20geologist

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The member of a seismograph crew who attends to the placement of the geophones.  7, fiche 8, Anglais, - seismic%20line%20crew%20helper

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Seismic Line Crew Helper. As a Line Crew Helper, Andre lays out and picks up seismic recording equipment for 2D and 3D land seismic data acquisition.  1, fiche 8, Anglais, - seismic%20line%20crew%20helper

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... the [seismic exploration] industry needs chainsaw buckers to help clear a path in forested areas, survey helpers to mark where the explosives and vibrators need to go, driller helpers to handle the explosives and help drill the shot hole for the explosives, and line crew helpers to lay the cable and sensors that will record the data.... With as many as fifty line crew helpers needed on a crew, these juggies are the muscle on the team. Line crew helpers are often called recorder helpers because much of their work involves laying the electronic equipment and wires that record sounds coming from underground.  5, fiche 8, Anglais, - seismic%20line%20crew%20helper

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Helpers are inexperienced people in training positions on seismic crews. After they gain skills and experience, helpers may move to other positions on a crew. Recording helpers, often called jug hustlers, assist seismic observers. In preparation for recording activities, observers may require as many as twenty or more helpers to haul cables, geophones and other recording equipment, and place and connect recording equipment.  8, fiche 8, Anglais, - seismic%20line%20crew%20helper

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A Line Crew/Recorder Helper/ is responsible for the laying out and picking up of seismic recording equipment for the purposes of both 2D and 3D land seismic data acquisition. In preparation for recording activities, there may be as many as fifty or more helpers to lay out cables and plant geophones. The position involves working twelve to fourteen hours per day, walking six to 20 km on uneven terrain, carrying cables and geophones for pick-up or layout (up to 90lbs) ensuring quality control on lay-out and pick-up, participating actively in all company safety initiatives, following all helicopter safety protocol, and loading and unloading of seismic equipment from seismic line vehicles or helibags.  9, fiche 8, Anglais, - seismic%20line%20crew%20helper

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jug hustler; juggy: slang terms. The term «jug» is a synonym of «geophone».  10, fiche 8, Anglais, - seismic%20line%20crew%20helper

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The explosion of several charges at different depths in a shothole during seismic exploration.  2, fiche 9, Anglais, - uphole%20shooting

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Uphole shooting is used to determine the weathering or low-velocity layer thickness and near-surface velocities.  2, fiche 9, Anglais, - uphole%20shooting

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The exploration of an area in which geophysical properties and relationships unique to the area are mapped by one or more geophysical methods.  3, fiche 10, Anglais, - geophysical%20survey

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The main exploration techniques used are : 1) indicator mineral sampling... 2) remote sensing... 3) geophysical surveys(magnetic, gravity, electrical, radiometric, seismic profiling) ;4) geochemical.  4, fiche 10, Anglais, - geophysical%20survey

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geophysical survey: term used at Natural Resources Canada - Earth Sciences Sector.  5, fiche 10, Anglais, - geophysical%20survey

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Au terme de cette longue énumération de méthodes et de procédés, nous constatons avec satisfaction le progrès rapide et l'importance croissante de la géophysique appliquée au cours de ces dernières décennies. La liste des méthodes traitées dans ce manuel n'est pas exhaustive. Ainsi, nous avons omis les méthodes géothermiques [...]. Par contre, nous avons insisté sur les méthodes géophysiques intégrées, i.e. la combinaison judicieuse de levés géophysiques appropriés à une étude ou à un problème spécifique.  3, fiche 10, Français, - lev%C3%A9%20g%C3%A9ophysique

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Les principales techniques d'exploration en usage sont : 1) l'identification de minéraux indicateurs [...] 2) la télédétection [...] 3) les levés géophysiques (magnétiques, gravimétriques, électriques, radiométriques et sismiques) et 4) les levés géochimiques.  4, fiche 10, Français, - lev%C3%A9%20g%C3%A9ophysique

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levé géophysique : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.  5, fiche 10, Français, - lev%C3%A9%20g%C3%A9ophysique

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A survey involving so many seismic sources and receivers that the underground formations can be imaged in three dimensions rather than as two-dimensional cross-sections.  4, fiche 11, Anglais, - three%2Ddimensional%20seismic%20survey

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The exploration of oil and gas involves the evaluation of a variety of types of information... A 3D seismic survey is a method that allows the creation of images of the subsurface geology by inducing an acoustic wave from near the surface of the earth and listening for the echoes from deeper parts of the earth(much like ultra-sound is used to create pictures of unborn babies in their mother's wombs). The images from a 3D seismic survey can help geologists and engineers not only improve the selections of future oil well locations, but also obtain new and valuable information about fault lines.  5, fiche 11, Anglais, - three%2Ddimensional%20seismic%20survey

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Au début de 2004, on a achevé un important levé sismique 3D dans le bloc côtier est de Talisman Trinidad, où l'on compte entreprendre un programme de forage de trois puits dans les premiers jours de septembre.  2, fiche 11, Français, - lev%C3%A9%20sismique%20tridimensionnel

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A faller who falls trees on seismic lines.  2, fiche 12, Anglais, - seismic%20faller

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seismic line : A constructed trail used for seismographic exploration.  3, fiche 12, Anglais, - seismic%20faller

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There are only four basic kinds of stratigraphic traps : unconformities, porosity permeability pinchouts, reefs, and drape structures.... Reef Traps. Reefs are productive in many parts of the world. Many types exist, such as atolls, table reefs, pinnacle reefs, barrier reefs, fringing reefs, biostromes, and bioherms. They occur as small dome like features that may be reflected in the overlying sediments by drape.... The size of a reef ranges from a few acres to several square miles. Seismic exploration is the best way to find reefs. The reef core grows upward and usually outward as the sea level rises. Detrital reef material falls on the ocean side, forming the fore reef. The back reef is formed on the lagoon or quiet side by deposition of limestone and lime mud...  1, fiche 13, Anglais, - reef%20trap

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Stratigraphic traps are traps created by the limits of the reservoir rock itself, without any structural control. ... Stratigraphic reef traps are amongst the most important type of trap in Alberta, where reefs of Devonian age, formed mainly of stromatoporoids host much of the petroleum. They became ideal traps when a change in the regional environment caused the reefs to be buried by muds, forming an impermeable seal and cap rock.  2, fiche 13, Anglais, - reef%20trap

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Tendance du pétrole à remonter en surface en raison de sa légèreté. Un «piège» est donc nécessaire pour le garder prisonnier de sa roche-réservoir : - Piège structural : coince le pétrole sous une couche de roche imperméable. - Dôme de sel : coince le pétrole sous une couche saline. - Piège récifal : coince le pétrole sous un récif.  2, fiche 13, Français, - pi%C3%A8ge%20r%C3%A9cifal

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A type of geophysical prospecting that is based on analysis of elastic waves artificially generated in the Earth.  4, fiche 14, Anglais, - seismic%20prospecting

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Procédé de prospection géophysique fondé sur la propriété qu'ont les ondes sonores provoquées par une explosion au voisinage de la surface du sol de se réfléchir partiellement sur la surface de contact de deux couches sédimentaires de nature différente.  1, fiche 14, Français, - prospection%20s%C3%A9ismique

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The use of a linear charge, rather than a point-source explosive, during seismic exploration, may reduce fish mortality.  1, fiche 15, Anglais, - point%2Dsource%20explosive

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A barge with an air gun for seismic sounding.  2, fiche 16, Anglais, - air%20gun%20barge

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air gun : A chamber filled with compressed air, often used offshore in seismic exploration. As the gun is trailed behind, air is released, making a low-frequency popping noise, which penetrates the subsurface rock layers and is reflected by the layers. Sensitive hydrophones receive the reflections and transmit them to recording equipment on the boat.  3, fiche 16, Anglais, - air%20gun%20barge

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canon à air : Appareil générateur d'ondes pour la prospection sismique en mer.  2, fiche 16, Français, - barge%20%C3%A0%20canon%20%C3%A0%20air

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barge : Terme générique, très vague qui s'applique à toutes sortes d'installations flottantes, ou même à des installations qui ne flottent que temporairement, comme les plates-formes autoélevatrices.  2, fiche 16, Français, - barge%20%C3%A0%20canon%20%C3%A0%20air

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In marine seismic exploration, a boat equipped to carry explosives, and from which the placing and firing of shots are performed.  2, fiche 17, Anglais, - shooting%20boat

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Dans l'exploration sismique marine, bateau équipé pour le transport et la mise à feu des explosifs.  1, fiche 17, Français, - bateau%20boutefeu

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Exploration geophysics is often divided into subsidiary fields according to the property being measured, such as magnetic, gravity, seismic, electrical, thermal, or radioactive properties.  1, fiche 18, Anglais, - exploration%20geophysics

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(...) application des principes fondamentaux de la physique à la recherche du pétrole ou des gîtes minéraux et à l'acquisition des renseignements géologiques souterrains.  1, fiche 18, Français, - g%C3%A9ophysique%20d%27exploration

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La géophysique appliquée est presque synonyme de la géophysique d'exploration mais elle est générale, en ce sens qu'elle inclut en plus l'application de la géophysique aux problèmes de génie, ce qui n'est pas le cas de la géophysique d'exploration.  1, fiche 18, Français, - g%C3%A9ophysique%20d%27exploration

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A method for mapping geologic structure by creating seismic waves and observing the arrival time of the waves reflected from acoustic-impedance contrasts or refracted through high-velocity members.  1, fiche 19, Anglais, - seismic%20exploration%20method

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