【单选题】
1Psi=___Pa。
A. 6894.76Pa×103
B. 6894.76×102
C. 6894.76
D. 6894.76×10-1
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答案
C
解析
暂无解析
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【单选题】
抽汲压力与激动压力,统称为___。
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【单选题】
地层压力是指岩石孔隙内流体的压力,也称为___。
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B. 井底压力
C. 地饱压力
D. 孔隙压力
【单选题】
上覆岩层压力是某深度以上的___对该深度所形成的压力。
A. 岩石和其中的油气
B. 岩石和其中的流体
C. 白云岩和盐水
D. 碳酸岩和流体
【单选题】
某施工井垂直井深3000m,施工中因溢流关井,井内为1.1g/cm3压井液,关井后井口压力为4.5MPa,这时井底压力为___MPa。
A. 32.37
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【单选题】
井下作业各种工况时,井底压力最小的工况是___。
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【单选题】
某施工井井底压力为35MPa,起管柱时抽汲压力为3MPa,起管柱时井底压力为___MPa。
A. 35
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D. 3
【单选题】
某施工井节流压井时,井底压力为___。
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B. 静液压力+井口回压
C. 静液压力+压力损失
D. 静夜压力+井口回压+环形空间压力损失
【单选题】
起管柱作业产生的抽汲压力,其结果是___。
A. 增大井底压力
B. 降低有效的井口压力
C. 增大有效的井口压力
D. 降低有效的井底压力
【单选题】
某地区较为普遍的地层水密度为1.07g/cm3,地层垂直深度为2000m时,则正常地层压力梯度为___KPa/m。
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【单选题】
关井油套压之差值是___。
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C. 环空液柱压力与管柱内液柱压力之差值
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【单选题】
泵未停稳就关了井或由天然气滑脱上升产生的压力是___
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【单选题】
溢流后关井,关井油套压上升越快,地层压力___。
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【单选题】
影响抽汲压力的因素有起下速度,井液的___,井眼和油管之间的环形空隙。
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B. 粘度、静切力、密度
C. 数量、静切力、配方
D. 杂质含量、配方、密度
【多选题】
下列井下管柱结构中会造成抽汲压力的有___。
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B. 光油管+封隔器(胶皮未回收)
C. 光油管+抽油泵(泄油器未打开)
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【多选题】
以下描述抽汲压力和激动压力影响因素的内容,哪些是正确的___。
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C. 井筒和管柱外壁之间的环形空隙
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【多选题】
地层某一位置的当量流体密度是以下哪些压力之和折算成的流体密度。___
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【多选题】
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B. 当井底压力大于地层压力时称为正压差
C. 当井底压力小于地层压力时称为负压差
D. 当井底压力大于地层压力时称为负压差
【多选题】
激动压力产生于以下___工况中。
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【多选题】
井下作业过程中溢流发生的主要原因有___。
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【多选题】
最常见的溢流原因有___、地层压力异常。
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【多选题】
地层流体侵入井内带来的变化包括___、循环压力下降、悬重增加。
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溢流的直接显示有修井液罐液面上升___等。
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天然气的特点:___。
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【多选题】
天然气柱侵,关井后,井内变化叙述正确的是___。
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起管柱时减少抽汲作用的原则有___。
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修井作业时发现地层压力异常时,发现溢流、井涌、井漏时,应___向有关部门汇报。
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【多选题】
以下对硬关井描述正确的是___。
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【多选题】
演习记录包括___、参加人员。
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___、井喷失控反映了地层压力与井底压力失去平衡以后井下和井口所出现的各种现象及事故发展变化的不同程度。
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发生溢流关井时,其最大允许关井套压值一般不得超过下面___数值中的最小值。
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发现溢流,立即关井;怀疑溢流,关井检查。发现___异常情况,应立即报告司钻。
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【判断题】
起管柱时不及时向井内灌修井液或灌量不足、快速起管柱情况最为危险。
A. 对
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【判断题】
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A. 对
B. 错
【判断题】
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A. 对
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【判断题】
在一口井的各种作业中,始终有压力作用于井底,节流循环时,井底压力=静液柱压力+环形空间压力损失+井口回压。
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【判断题】
泵压是克服循环系统中摩擦损失所需的压力。
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修井液在环空中上返速度越大、井越深、井眼越不规则、环空间隙越小,且修井液密度、切力越高,则环空流动阻力越大;反之,则环空流动阻力越小。
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【判断题】
地面压力的变化会影响井底压力的变化。
A. 对
B. 错
【判断题】
所谓井底压差就是地层压力与井底压力之差。
A. 对
B. 错
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