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气侵
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气侵
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钻井液污染
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gas cut
气侵
钻井中,特别是探井和气井作业中,钻井液被天然气或空气侵入,造成钻井液比重降低,黏度升高的现象。轻者引起井内压力不稳定,导致停钻除气,重者会造成井喷、井塌事故。
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rock structural plane shear deformation experiment
rock structural plane shear strength experiment
rock style
rock swelling test
rock tensile strength
rock thin section
rock triaxial compression experiment
rock triaxial compressive strength experiment
rock triaxial experiment
rock tunnel boring machine
rock tunnel boring machine method
rock underground engineering design
rock underground engineering disasters
rock uniaxial and biaxial experiment
rock uniaxial compressive experiment
rock uniaxial compressive strength experiment
rock uniaxial tensile strength experiment
rock-water interaction
Rockwell hardness
rockwell hardness tester
Rockwell Kent
rock wettability
rock wool
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