Abstract

In paper the interrelation between abnormal-high geofluid pressure (AHGP) and seismicity is examined on an example of the South-Caspian basin (SCB). The non-uniform level of development in space AHGP and seismicity was established. The intensity of development of AHGP increase to the central deep-buried part of SCB, coordinating with change in this direction a clay content in rocks and thickness of clayey series. Thus, the spatial correlation between the considered parameters is revealed, which nature is not clear enough and requires realization of more detailed researches.

Keywords

abnormal-high geofluid pressure, seismicity, South-Caspian basin,

Reference

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О взаимосвязи распределений в пространстве сейсмичности и аномально-высоких давлений в осадочном комплексе Южно-Каспийского бассейна

Кадиров Ф.А. Фейзуллаев А.А. Кадыров А.Г.

Аннотация

В статье на примере Южно-Каспийского бассейна (ЮКБ) рассматривается взаимосвязь между аномально-высокими геофлюидными давлениями (АВГД) и сейсмичностью. Установлена неравномерность развития в пространстве АВГД и сейсмичности. Интенсивность развития АВГД возрастает в сторону центральной (наиболее погруженной) части ЮКБ, чётко согласуясь с изменением в этом направлении глинистости пород и мощности глинистых толщ. Выявлена пространственная корреляция между рассмотренными параметрами, природа которой неясна и требует проведения более детальных исследований.

Ключевые слова

Южно-Каспийский бассейн, аномально-высокое геофлюидное давление, сейсмичность,

Информация об авторах

Библиографическая ссылка

Кадиров Ф.А. Фейзуллаев А.А. Кадыров А.Г. О взаимосвязи распределений в пространстве сейсмичности и аномально-высоких давлений в осадочном комплексе Южно-Каспийского бассейна // Геофизика. 2010. № 2. С. 32-36.

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  •  3) Belonin М. D. and Slavin V. /., 1998, Abnormally high formation pressures in petroleum regions of Russia and other countries of the C.I.S. In: Law, B.E., Ulmishek, G.F. & Slavin, V.I. (eds) Abnormal pressures in hydrocarbon environments: American Association of Petroleum Geologists Memoir, 70, 115 - 121.

  •  4) Bigelow E. L., 1994, Global Occurrences Of Abnormal Pressures in Studies in abnormal pressure, in Fertl W.H., Chapman R.E., and Holz R.F., eds.: Elsevier, Amsterdam, Developments in Petroleum Science, 38 (1), 1 - 17.

  •  5) Bradley J. S. and Powley D. E., 1994, Pressure compartments in sedimentary basins: A review: AAPG Memoir, 61, 3 - 26.

  •  6) Darby D., Funnell R., 2001, Overpressure associated with a convergent plate margin: East Coast Basin, New Zealand: Petroleum Geoscience, 7, 291 - 299.

  •  7) Dickinson G., 1953, Geological aspects of abnormal reservoir pressures in Gulf Coast Louisiana: AAPG. Bull., 37, 410 - 432.

  •  8) Flemings P. B., Ehiffman A., Thomson J. A., Maler M. O. and Swarbrick R. E., 2002, Overpressure and Fluid Flow Processes in the Deepwater Gulf of Mexico: Slope Stability, Seeps, and Shallow Water Flow, http://hydro.geosc.psu.edu/Odp/12_14 web. pdf, 1 - 25.

  •  9) Giammanco S., Palano M., ScaltritoA., Scar/м L., Sortino 2008, Earthquake swarm generation in Mts. Peloritani region: possible role of overpressured fluids: Geophysical Research Abstracts, 10, EGU 2008-A-06211.

  •  10) Grauls D., 1999, Overpressure assessment using 4 minimum principal stress approach: Mitchell A., and Grauls D. (eds) Overpressure in Petroleum Exploration: Bulletin Centre Recherche Elf Exploration Production Memoir, 22, 137 - 147.

  •  11) International Geophysical Program in the Caucasus and Central Asia. ISTC, STCU and C RDF joint Project: New England Research, Inc. www.NER.com.

  •  12) Jochen H. K. Jahrb T. and Jentzsch G., 2004, Earthquake swarm examples and a look at the generation mechanism of the Vogtland/ Western Bohemia earthquake swarms: Physics of the Earth and Planetary Interiors, 142, 1 - 2, 75 - 88.

  •  13) Kan T. K., Kilsdonik B. and West C. L., 1999, 3-D geopressure analysis in the deepwater Gulf of Mexico: The Leading Edge, 18, 4, 502 - 508.

  •  14) Magara K., 1975, Reevaluation of montmorillonite dehydration as cause for abnormal pressure and hydrocarbon migration: AAPG Bull., 59, 292 - 302.

  •  15) Melchiorre E. B., Criss R. E. and Davisson M. L., 1999, Relationship between seismicity and subsurface fluids, central Coast Ranges, California: J. Geophys. Res., 104(B1), 921 - 939.

  •  16) Smith J. £., 1971, The dynamics of shale compaction and evolution of pore-fluid pressures: Mathematical Geology, 33, 239 - 263.

  •  17) Snijder J. H., Dickson D., Hillier A., Litvin A., Gregory C., Crookall P., 2001, 3D Pore Pressure Prediction in the Columbus Basin, Offshore Trinidad and Tobago: Amsterdam 2001, 63rd EAGE Conference & Exhibition, 11 June 2001: Extended abstracts, 1, 0 - 36.

  •  18) Terzaghi K., 1943, Theoretical soil mechanics: London, Chapman and Hall.

  •  19) Tingay М. R. and Hillis P. R., 2000, In-Situ Stress and Fluid Pressures of Brunei Darussalam: AAPG Bulletin, 84, Abstract.

  •  20) Ward C., 1995, Evidence of sediment unloading caused by fluid expansion overpressure-generating mechanisms. Workshop on rock stresses in the North Sea: Norwegian Technical Institute. Trondheim, 13-14 February.