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4D SEISMIC [1 record]
Record 1 - internal organization data 2009-08-07
Record 1, English
Record 1, Subject field(s)
- Seismic Prospecting
- Geological Prospecting
- Oil and Natural Gas Extraction
Record 1, Main entry term, English
- time-lapse seismic
1, record 1, English, time%2Dlapse%20seismic
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- 4D seismic 2, record 1, English, 4D%20seismic
correct
- 4-D seismic 3, record 1, English, 4%2DD%20seismic
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Three-dimensional (3D) seismic surveys utilise 2D grids of seismic sources and receivers deployed on the ground surface. The seismic response of the ground is recorded as a time series corresponding to each source-receiver pair, and the wave propagation time becomes the third dimension of the data set. ... If a 3D seismic survey is repeated at several time intervals, this historical time (as opposed to the wave propagation time) becomes a fourth dimension, hence the name 4D or time-lapse seismic. The 4D approach allows a detailed description of the evolution of the reservoir, but the overall cost of the survey escalates rapidly by repeating conventional 3D surveys. 4, record 1, English, - time%2Dlapse%20seismic
Record number: 1, Textual support number: 1 PHR
Time-lapse seismic data, experiment, measurement, modeling, response, result, survey, test. 5, record 1, English, - time%2Dlapse%20seismic
Record 1, Key term(s)
- time lapse seismic
Record 1, French
Record 1, Domaine(s)
- Prospection sismique
- Prospection géologique
- Extraction du pétrole et du gaz naturel
Record 1, Main entry term, French
- sismique 4D
1, record 1, French, sismique%204D
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- sismique répétitive 2, record 1, French, sismique%20r%C3%A9p%C3%A9titive
correct, feminine noun
- sismique répétée 3, record 1, French, sismique%20r%C3%A9p%C3%A9t%C3%A9e
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Afin d'obtenir une image plus précise et plus fiable du sous-sol, on emploie la technique de la sismique 3D [...] Elle permet même souvent de repérer directement les hydrocarbures dans les couches géologiques. Les récepteurs sont placés en nappes afin de construire une image du sous-sol en volume (en trois dimensions). La technique de la sismique 4D va plus loin encore, en faisant intervenir la quatrième dimension : le temps. Sur un gisement en production, on effectue plusieurs enregistrements successifs de sismique 3D, à intervalles de temps réguliers. La comparaison des enregistrements permet ensuite de suivre l'évolution du gisement pendant sa production. 4, record 1, French, - sismique%204D
Record 1, Key term(s)
- séismique 4D
- séismique répétitive
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Prospección sísmica
- Prospección geológica
- Extracción de petróleo y gas natural
Record 1, Main entry term, Spanish
- sísmica 4D
1, record 1, Spanish, s%C3%ADsmica%204D
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- sísmica de repetición 2, record 1, Spanish, s%C3%ADsmica%20de%20repetici%C3%B3n
correct, feminine noun
- sísmica con lapso de tiempo 3, record 1, Spanish, s%C3%ADsmica%20con%20lapso%20de%20tiempo
correct, feminine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 CONT
[...] los grupos de producción pueden utilizar levantamientos sísmicos aplicando la técnica de lapsos de tiempo - sísmica 4D - a fin de rastrear cambios de saturación y de presión, para un mejor emplazamiento de los pozos de relleno [...] 2, record 1, Spanish, - s%C3%ADsmica%204D
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