Drilling an oil or gas well at a location or well pad site at which drilling has occurred previously within 5 years prior to the date of spudding the well.

钻探油井或气井，在一个地点或良好垫地盘有钻探曾在5年前发生的钻井日期。

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Note that due to the smaller track-pad size, as well as the inherent limitations of the ability of the hardware, it may take some practice before you can reliably trigger gesture events.

注意，由于触摸板尺寸较小以及硬件功能的内在限制，因此可能需要进行一些练习才能可靠地触发手势事件。

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A well-groomed beard can look just as professional, but you have to be meticulous about keeping it trimmed or you risk looking like your chin is growing a Brillo pad.

修剪得整整齐齐的也能看上去很职业，不过在修剪的时候你必须一丝不苟，否则你的下巴就会像长了一个钢丝球。

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But PennEnvironment and other environmental activists claimed the bill also would give drillers immunity from responsibility for spills and other accidents at a well pad, too.

WSJ: Pa. pushes drillers to frack with coal mine water

One well pad could have between 5 and 20 wells.

FORBES: The Fracking Solution Is A Good Cement Job

Seneca has been withdrawing polluted water from the Arnot No. 5 coal mine in Tioga County since late 2010 and piping it some 6 miles to the well pad.

WSJ: Pa. pushes drillers to frack with coal mine water