کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
6435335 1637167 2014 13 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Research paperMud volcanism and fluid geochemistry in the Cheleken peninsula, western Turkmenistan
ترجمه فارسی عنوان
آتشفشانی گدازه و ژئوشیمی مایع در شبه جزیره چلکین، غرب ترکمنستان
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کلمات کلیدی
آتشفشان گودال، ژئوشیمی سیالات، منبع سیالات، مسیر مهاجرت، ترکمنستان غربی،
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات زمین شناسی اقتصادی
چکیده انگلیسی


- Mud volcanism in the Cheleken peninsula, western Turkmenistan.
- Spontaneous seepage due to fluids overpressure and faults occurrence.
- Mix of different salinity waters from the sediments pore water and clay dehydration.
- Low maturity oil generated by the Maykop Fm. since the late Miocene.

A geological and geochemical study has been carried out to investigate the relationships between major mud volcano structures and deep fluid migration in the Cheleken peninsula, in the South Caspian Basin. The fluid geochemistry allowed the origin and migration of the saline waters and the hydrocarbons to be deduced along with the regional source and reservoir rocks. The emitted waters formed by the mixing of deep highly saline water from the main source rocks of the Maykop Fm with the Caspian-like pore water contained in the Pliocene reservoirs. The water composition is very similar to that emitted by the mud volcanoes in Azerbaijan, allowing comparisons to be done between the reservoirs in the western and eastern sides of the South Caspian Basin. The associated oil is derived from a mixed type II/III kerogen deposited in a sub-oxic marine environment and generated during the early oil window. The oil biomarkers indicate that the source rock is the Maykop Fm., as previously determined for the other areas of the South Caspian Basin.The spontaneous emissions, showing different morphologies, are mainly aligned along normal and transtensive fault systems, which provide effective pathways for rapid fluid ascent from deep reservoirs to the surface.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Marine and Petroleum Geology - Volume 57, November 2014, Pages 122-134
نویسندگان
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