【单选题】
关于井控概念下列说法正确的是___
A. 装好井口防喷器
B. 实施油气井压力的控制
C. 能够保证快速施工
D. 能够防止污染事故
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答案
B
解析
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井下作业过程中的井控作业的目的是既要安全、优质、高速地维修好井，又要有利于保护油气层，提高采收率，延长油气井的寿命。所以，要依靠良好的井控技术进行___的井下作业。
A. 负压状态下
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D. 关井状态下
【单选题】
___指仅靠井内修井液液柱压力不能控制地层压力，井内压力失去平衡，地层流体侵入井内，出现井侵，井口出现溢流，这时候要依靠关闭地面设备建立的回压和井内液柱压力共同平衡地层压力，依靠井控技术排除气侵修井液，处理掉溢流，恢复井内压力平衡。
A. 四级井控
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【单选题】
二级井控是指当发生溢流或井涌后，通过___，同时通过压井等技术排除气侵修井液，重建井底压力平衡，使之达到一级井控的技术。
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【单选题】
一旦发生___，应迅速停机、停车、断电，并设置警戒线。在警戒线以内，严禁一切火源。同时进行井口喷出油流的围堵和疏导，防止地面易燃物扩散。
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【单选题】
井喷失控易引起___而造成人员伤亡，影响周围千家万户的生命安全。
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【单选题】
高危地区油气井，指在井口周围___m范围内有村庄、学校、医院、工厂、集市等人员集聚场所，油库、炸药库等易燃易爆物品存放点，地面水资源及工业、农业、国防设施（包括开采地下资源的作业坑道），或位于江河、湖泊、滩海和海上的含有硫化氢（地层天然气中硫化氢高于15mg/m3（10ppm））一氧化碳等有毒有害气体的井。
A. 500
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【单选题】
从事“三高”油气井的施工队伍，全员及协同施工人员进行针对“三高”油气井特点的培训、___等，建设方要把培训列入合同之中。
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【单选题】
某井需要井下作业队伍对该井进行加深钻进，该井下作业队伍应执行___。
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C. SY/T6120《油井井下作业防喷技术规程》
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【单选题】
某施工井油层中部垂直深度为3100m，油层中部压力为37.82MPa，该井地层当量压井液密度为___g/cm3。
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