【单选题】
高含硫油气井，指地层天然气中硫化氢含量高于___mg/m3的井。
A. 150
B. 120
C. 100
D. 30
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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。
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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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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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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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【多选题】
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B. 压力梯度与井深有关
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【多选题】
以下关于地层压力的描述，描述正确的是___。
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