1 Renewal EAD: You should apply for an EAD renewal four months before your original EAD expires.  Replacement EAD: This document replaces a lost, stolen, or mutilated EAD. A replacement EAD also replaces an EAD that was issued with incorrect information, such as a misspelled name.
petroleum, rock oil (mid-14c. in Anglo-French), from Medieval Latin petroleum, from Latin: petra : rock + oleum : oil. ) is a naturally occurring, yellow-to-black liquid found in geological formations beneath the Earth 's surface, which is commonly refined into various types of fuels.
DEFINITION of 'Shale Oil '. A type of unconventional oil found in shale formations. Shale oil can refer to two types of oil. It may refer to crude oil that is found within shale formations, or to oil that is extracted from oil shale. Oil shale is a type of sedimentary rock that has low permeability, and which has bituminous-like solids that can be liquefied during the extraction process.