oil seep

oil seep

[′ȯil ‚sēp]
(geology)
The emergence of liquid petroleum at the land surface as a result of slow migration from its buried source through minute pores or fissure networks. Also known as petroleum seep.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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The city has hired Interwest Construction of Burlington to place a specially amended layer of sand and clay over the oil seep. The clay and sand layer will be placed within a rock berm and covered with a layer of gravel to protect it from winter storms.
Lake Tanganyika has multiple oilslicks and natural oil seeps including one that is believed to be the largest natural oil seep in the world.
Dew Jones Newswires reported last month that Chevron asked Brazilian authorities to allow a temporary shutdown of production from its Frade oil field off the coast of Brazil after a new oil seep was detected.
8 June 2011 - Norwegian seismic surveyor TGS-Nopec Geophysical Company ASA (OSL: TGS) said today it will start to acquire 42,000 km of magnetics, gravity and oil seep data in southeast Greenland in the second quarter of 2011.
A slight oil seep on a diff isn't life-threatening, and you certainly don't need a new one.
Flavors of lemon peel, lemon juice, a little garlic, and olive oil seep into ripe olives thoroughly; they'll taste as if they'd grown this way.
But if there is no cap rock the oil seeps out of the reservoir rock and is diffused upward through other rocks, sometimes even reaching the surface as an oil seep.
RIO DE JANEIRO: Brazilian regulator ANP said US oil company Chevron should soon be able to resume production in a field off the coast of Rio de Janeiro state that the company shut down after detecting an oil seep following a November spill.
Many people in the Santa Barbara region still believe that oil found in the ocean and on nearby beaches comes from oil rigs, but our research points the finger at the natural oil seep. At the same time, this natural oil seep is teaching us many extraordinary lessons about how oil behaves in our ecosystems.
What should have been put right within hours instead took a week and each day that passed saw more and more oil seep out through the huge gash in the tanker's single-skinned hull.
There was no correlation between the measured PAHs and the 4425 responses in the northern Bight, and the highest value observed (900 [micro]g/g B[a]PEq) was from Coal Oil Point, an oil seep area.
US oil company Chevron discovered an oil seep in an offshore Brazilian oil field run by Petrobras near the site of a November leak that led to civil and criminal charges and sparked concerns about some of the world's most promising deep sea reserves.