The results show that the pattern area and formation thickness have little effect on ther…

油层厚度越大，水平井无因次产量越小。研究结果可用于现场开发方案的设计及产能预测。

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National Weather Service meteorologist "Skip" Ely said the dry pattern is caused by a persistent area of high pressure that has dominated North Texas weather since the end of June, blocking normal moisture flows across the South.

CNN: U.S. pledges help for Texas farmers hit by record drought

But, following a now familiar pattern, most of these troops have since been withdrawn from the area and the insurgents have reasserted themselves.

ECONOMIST: Iraq's constitution

But the discovery that the area surrounding the tachocline varies its rotation in a regular pattern could be a clue to solving the mystery.

BBC: Sun has strange 'spin cycle'