Sedimentary Basins Current Affairs - 2019
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The Cabinet Committee on Economic Affairs (CCEA) has approved survey project to acquire 48,243 Line Kilometer (LKM) 2D seismic data for appraisal of Indian sedimentary basins where limited data is available.
Sedimentary basin is a low area in the Earth’s crust, of tectonic origin, in which sediments accumulate. It can range from as small as hundreds of meters to large parts of ocean basins.
India has total 26 sedimentary basins covering area of 3.14 Million Sq Km (MSK) spread over onland, shallow water and deep water. 48% of total sedimentary basin area (about 1.502 MSK) does not have adequate geo-scientific data.
The project will be implemented by Oil India Limited (OIL) and Oil and Natural Gas Corporation (ONGC). Under it, survey work will be carried out in 24 States. OIL will conduct survey in North-Eastern States, while ONGC will cover remaining area. The entire project is likely to be completed by 2019-20.
After appraisal of these sedimentary basins, blocks will be offered for further exploration and production activities based on prospectivity of area. It will help in increasing the investments in domestic production of oil and gas and generate direct and indirect employment.
The appraisal of all unappraised areas is considered an important task to launch future Exploration and Production (E&P) activities. Data acquisition will provide initial insight into basins and help in planning future E&P activities. It will be useful in deciding focus areas of exploration activities in country and on basis of this primary data, E&P companies will be able take up further exploration activities in acreages allocated to them.