Geophysical Prospecting Gravity

The Geophysicist's Guide to Striking It Rich

Researchers at Tel Aviv University have combined several geophysical techniques to better assess and find areas that may contain natural gas and petroleum resources.

Use of this technique has resulted in the identification of an area just off the coast of Haifa that is believed to contain “a five hundred billion cubic meter area of gas reserve”…. and “a few tens of kilometers away, there may be another reserve that would significantly increase the current estimated amount of gas.”

The

Prospecting — the search for valuable reserves such as gold, diamond and natural gas — isn’t just a matter of luck. It’s about knowing where to look. Now researchers at Tel Aviv University have modernized the hit-or-miss search with cutting-edge technology that scans the earth for signs of lucrative resources that could lurk beneath our feet.

Combining a number of surveying techniques for the first time, Prof. Lev Eppelbaum of TAU’s Department of Geophysics and Planetary Sciences at the Raymond and Beverly Sackler Faculty of Exact Sciences and Dr. Youri Katz of TAU’s Department of Zoology at the George S. Wise Faculty of Life Sciences have carried out a more accurate and in-depth land survey of Israel and the surrounding Mediterranean area than ever before. Their findings pinpoint the most likely places to find reservoirs of natural gas and oil.

Fifteen years in the making, their technique, which recently appeared in the journal Positioning, can be applied to any region in the world to more accurately identify possible riches below — before the costs of drilling or mining are incurred.

From buyers to producers

To create detailed structural-tectonic maps of Israel and the surrounding areas, Prof. Eppelbaum and Dr. Katz carried out an integrated survey using a variety of geophysical tools, including advanced analysis of magnetic, gravity, and temperature fields; utilization of seismic, magnetotelluric, and satellite imaging; and numerous well sections and outcropping studies. All of these results were integrated with plate tectonics reconstructions.

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