природный газ
Cenozoic Shale Formations as a New Frontier Area
landviser вт, 05/14/2013 - 17:38- Войдите или зарегистрируйтесь, чтобы получить возможность отправлять комментарии
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Cenozoic Shale Formations as a New Frontier Area - detecting shallow natural gas fields
anisimov вт, 08/21/2012 - 15:19
Guest post by Dr. Leonid Anisimov, Principal Scientist of Lukoil-Engineering, Volgograd, Russia. VolgogradNIPImorneft – scientific center of the LUKOIL Oil Company for the South Volga, Caspian Region and Middle East.
Shalow gas accumulations in shale deposits are unconventional energy resources. However those are hazardous objects for drilling especially in the offshore areas.
Seismic is a principal instrument to detect shallow gas pockets but electromagnetic methods may have advantage. The presentation below shows principal geography and techniques for detection and development of shale gas fields. A pilot project of Landviser LLC in using VES for monitoring accumulation and release of methan in peat bogs of Eastern Siberia is attached.
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Electrical Geophysical Methods to Evaluate Soil Pollution from Gas and Oil Mining
landviser пт, 03/09/2012 - 16:23- Загрязнение почв
- нефть и газ
- Экология
- Геология
- Геофизика
- Вертикальное Электрическое Зондирование
- ЛандМэппер
- эл. картирование почв
- много-электродные установки
- ERM-01
- Шлюмберже
- электрическое профилирование
- геофизическое оборудование
- 4-электродная установка
- геофизические методы
- оценка участка
- ЭС
- iVES
- инверсия эл.сопротивления
- природный газ
- разработка нефтяных месторождений
- нефть
Electrical geophysical methods were successfully used for exploration of gas and oil fields (Kalenev, 1970). However, the methods are not widely used for estimation of the soil pollution with petroleum products (Znamensky, 1980; Pozdnyakov et al., 1996a). The possibility of using the methods of electrical resistivity to evaluate the places of petroleum pollution or natural petroleum and gas deposits is based on highly different resistivities of soil and petroleum products. Petroleum and various products of petroleum manufacture, such as oil, gasoline, bitumen, and kerosene have very high electrical resistivity compared with soils. Electrical resistivity of petroleum varies from 104 to 1019 ohm m (Fedinsky, 1967), whereas resistivity of petroleum-saturated sand is much lower (2200 ohm m) (Znamensky, 1980), but is still higher than that of any non-polluted soil.
Soil pollution by the products of gas and petroleum mining was studied near Urengoi in northwest Siberia, Russia. The virgin soils, Glacic and Aquic Haplorthels, were extremely polluted with various by-products of petroleum extraction and manufacturing, such as bitumen, gasoline, kerosene, and mining brine solutions. The study area was thoroughly investigated with four-electrode profiling on 1.2-m array and vertical electrical sounding.
Местоположение
