旋转冲击钻井技术依靠冲击器产生冲击载荷并作用在钻头上来破碎岩石。该技术能够有效提高硬地层钻井速度，能够防止硬地层及复杂地层钻井中的井斜问题。

The rotary percussion drilling technology have the advantage to raise the hard rock well drilling speed effectively, prevent the borehole deviation in the hard rock or the complicated geologic strata.

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但在超深井钻井过程中，面临地层高温、高压、产出流体相态复杂，这对环空携岩和安全是一个严峻的考验。

During ultra deep well drilling, we will be confronted with high temperature, high pressure and complex produced fluid.

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该技术的实施，成功地解决了复杂地层的井壁失稳问题，有效地保护了油气层，提高了钻井速度，为该地区安全、快速及经济钻井奠定了坚实的基础。

These techniques successfully cope with the wellbore instability under complex formations, protect hydrocarbon zones, increase ROP, lay solid foundations for rapid and economic drilling operations.

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