Seismic reflection imaging of karst in the Persian Gulf (Record no. 189946)

MARC details
000 -LEADER
fixed length control field 02701nab a2200217 4500
008 - CÓDIGOS DE INFORMACIÓN DE LONGITUD FIJA - INFORMACIÓN GENERAL
Campo de control de longitud fija 260224s2016 xxu ing
041 ## - IDIOMA
Idioma Inglés
245 00 - TITULO
Título Seismic reflection imaging of karst in the Persian Gulf
Subtítulo Implications for the characterization of carbonate reservoirs
260 ## - PUBLICACION, DISTRIBUCION, ETC
Lugar de publicación, distribución, etc.
Nombre de publicador, distribuidor, etc.
Fecha de publicación, distribución, etc. oct. 2016
270 ## - FECHA DE CARGA
Fecha de carga 12/12/2016 ; 12/12/2016
300 ## - DESCRIPCION FISICA
Otra extensión 23 p. ; 1561-1584
520 ## - RESUMEN, ETC
Resumen Transcripción del resumen del autor: Karstification positively and negatively affects the quality of carbonate reservoirs; for example, dissolution and brecciation can increase porosity and permeability, whereas cavern collapse or cementation driven by postkarstification fluid flow may occlude porosity and reduce permeability. Karst may also pose challenges to drilling because of the unpredictable and highly variable porosity and permeability structure of the rock and the corresponding difficulty in predicting drilling mud weight. When combined, outcrop, petrographic, and geochemical data can constrain the style, distribution, and origin of seismic-scale karst, which may provide an improved understanding of carbonate reservoir architecture and allow development of safer drilling programs. However, relatively few studies have used seismic reflection data to characterize the regional development of seismic-scale karst features. In this study we use time-migrated two-dimensional seismic reflection data to determine the distribution, scale, and genesis of karst in a 3-km-thick (9800-ft-thick), Jurassic–Miocene carbonate-dominated succession in the Persian Gulf. We map 43 seismic-scale karst features, which are expressed as vertical pipe columns of chaotic reflections capped by downward-deflected depressions that are onlapped by overlying strata. The columns are up to 2 km (6500 ft) tall, spanning the Upper Jurassic to Upper Cretaceous succession, and are up to 5.5 km (18,000 ft) in diameter. We interpret these pipes to have formed in response to hypogene karstification by fluids focused along preexisting faults, with hypogene-generated depressions enhanced by epigene processes during key intervals of exposure. Our study indicates that seismic reflection data can and should be used in conjunction with petrographic and geochemical techniques to determine the presence of hypogene karst plays and to help improve the characterization of carbonate reservoirs and associated drilling hazards.
581 ## - ESTADO DE COLECCIÓN
Estado de colección 10
773 0# - CORRECCIÓN
Título AAPG Bulletin
Partes relacionadas 100
942 ## - DESC. DE MATERIAL
Tipo de item KOHA Artículo de Revista
100 1# - RESPONSABLE PERSONAL
Apellido, Nombre Burberry, Caroline M.
9 (RLIN) 55987
100 1# - RESPONSABLE PERSONAL
Apellido, Nombre Jackson, Christopher A.L.
9 (RLIN) 49704
100 1# - RESPONSABLE PERSONAL
Apellido, Nombre Chandler, Shelby R.
9 (RLIN) 55988
Holdings
Biblioteca propietaria Biblioteca actual Fecha de adquisición Inventario Total de préstamos Inventario Fecha de carga Tipo de item KOHA
Biblioteca Alejandro Angel Bulgheroni Biblioteca Alejandro Angel Bulgheroni 06/03/2026 200062193   200062193 06/03/2026 Artículo de Revista


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