The draw-down test basically found out the double porosity feature of palaeozoic burried hill reservoir, during pressure build-up test, water boundary and fault boundary were revealed .

压降测试基本测出了古潜山油藏双重孔隙特征，在压恢测试过程中测得了水边界和断层边界。

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South Africa was frequently behind in that series, pulling off an unlikely draw in the second Test at Adelaide after being four down and 353 behind going into the final day, then roaring back with a 309-run victory in the final Test at Perth.

WSJ: Just One More Peak to Conquer