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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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Provisions on the Administration of Amusement Parks
Provisions on the Administration of Anti-Disaster Fortifications for Municipal Utilities
Provisions on the Administration of Archival Filing of Export Food Production Enterprises
provisions on the administration of qualifications of urban and rural planning units
Provisions on the Administration of Students in Regular Institutions of Higher Education
Provisions on the Administration of the Development and Utilization of Urban Underground Space
provisions on the administration of urban earthquake resistance and disaster prevention planning
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Provosts of the Marshals of France
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proxemics
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