(Anticlinal trap) structure of the bedrock faults (fault trap) , dome-shaped structure (domal trap) and decorative layer structure (stratigraphic. trap) structure with a curved hood upset caused by the bending of rock layers made of rock shaped like a curved pan upside down or turtle will move into oil and gas well in the curved bottom of the pan. The rock texture and structure is covered with a curved hood upside down. Caused by the bending of rock layers ornamental structure can occur in many forms. Based on the changes to the earth's surface in the past. Oil shale reservoirs is being embraced as cystic between rock texture domed structure caused by the pressure of rock salt through the reservoir rock oil, which is typically a domed. Oil and gas will accumulate on the side of the dome floor, Salt structural faults caused by the bending of rock layers made of rock moved to a different line to the oil and gas trapped in because of a rock texture postponed. Close porous shale oil and gas trapped in the block.
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