Its sand control effect is much better when high pressure filling is made along with sand control materials, hence increasing oil productivity and reducing recovery cost.
配合防砂材料进行高压填充，防砂效果更为明显，因此，提高了油井产量，降低了采油成本。
From the test, it is shown that effect of surge on water-holdup can be weakened by increasing the flow velocity of oil and water, which assures the accuracy of water-holdup measurement.
从实验上证明提高油水的流速，可以减少滑脱现象对持水率的影响，保证了含水率的准确测量。
The experiment shows that nitrogen and steam injection is beneficial for increasing the effect of oil well stimulation.
矿场试验结果表明，该技术可有效提高油井吞吐效果。
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