foam drilling

The practice demonstrated that to use the foam drilling will raise drilling efficiency 31.7% and net drilling time availability 3.4%, reduce aggregate cost 56.1% than conventional mud drilling.

实践证明，采用泡沫钻进要比常规泥浆钻进钻效提高31.7%，纯钻时间利用率提高3.4%，综合成本降低56.1%。

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Studies on HTHP Density Characteristics Simulating Test of Foam Drilling Fluids

泡沫钻井液高温高压密度特性模拟实验研究

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In defence of drilling tools, formulating high pH value and adding corrosion inhibitor stable foam proceeds air foam drilling.

为了保护钻具，决定配制高pH值且添加了缓蚀剂的稳定泡沫液进行空气泡沫钻井。

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Application of foam drilling technology in Gobi desert

泡沫钻探技术在戈壁的应用

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Application of Air Foam Drilling in Arid Area Water Well Drilling

空气泡沫钻进在干旱地区水井钻探方面的应用

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Because of the low penetration rate and loss of fault in block 32 and 53 in YEMEN, the problem of loss was successfully salved by adopting the foam drilling fluid and accelerated the drilling speed in hard formation by applying the air hammer.

也门32区块和53区块地层可钻性差、存在断层漏失，采用泡沫钻井液有效地解决了井漏问题，应用空气锤钻井加快了硬地层的钻进速度；

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Research of foam drilling technique for deep well in drought and scarce water areas

干旱缺水地区深水井泡沫钻进技术研究

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