coal bed उदाहरण वाक्य

उदाहरण वाक्य

1. Energy leases in the San Juan Basin date from the 1950s and 1960s, long before coal beds were explored for natural gas.
2. The Pittsburgh coal bed formed during a hiatus in active clastic deposition that allowed for the development of a huge peat mire.
3. Such explosions are common in China and are usually caused by the buildup of natural gas seeping out of the coal bed.
4. The Pleasant Valley Coal Company sank a 105-foot shaft in Coalville in 1895, employing 100 men to mine a 6-foot coal bed.
5. The Black Diamond mine, near the south end of the West Seventh Street Bridge, sank a mine shaft to reach a coal bed.
6. Explosions are common and often are blamed on a lack of ventilation to clear natural gas that seeps out of the coal bed.
7. Beginning about 1830, shallow wooden boats loaded with coal be drifted over the Upper Falls and Lower Falls and on down the river.
8. In the process of absorption the coal releases previously absorbed methane, and the methane can be recovered ( enhanced coal bed methane recovery ).
9. The Rockies'natural gas reserves often are in the form of coal bed methane, or naturally occurring gas trapped in coal beds by water pressure.
10. Explosions are common and often are blamed on a lack of ventilation equipment to clear natural gas that seeps out of the coal bed.