【单选题】1000m垂深处的地层压力为11.8MPa,则当量密度为()g/cm 3 。
【单选题】If the price of chicken falls, then in the market for beef,
A.
the demand curve for beef shifts rightward.
B.
the demand curve for beef shifts leftward.
C.
there is a movement downward along the demand curve for beef.
D.
there is a movement upward along the demand curve for beef.
【单选题】某井已知垂直井深为2000m,该处的地层压力为26.46MPa,平衡该处地层所需的钻井液密度为()g/cm 3 。
【判断题】根据增值税法规定,折扣销售时,可按折扣后的余额作为销售额计算增值税
【单选题】地层破裂压力梯度为0.014MPa/m,套管鞋垂深2000m,则套管鞋处地层的破裂压力为( )MPa。
【简答题】某井垂直井深2500米处发现天然气溢流。已知数据为:垂直井深2500米;钻头直径:215毫米钻杆直径:127毫米,内径109毫米;技术套管外径:244毫米,内径:222毫米;下至井深1500米处,地层破裂压力梯度为17.千帕/米;钻井液密度为1.30克/立方厘米;关井前测得泵速为30冲/分钟;排量为16.4升/秒时的循环泵压为6.4兆帕;关井后记录关井立管压力为2.45兆帕;关井套管压力为3....
【单选题】—What kind of noodles would you like? —_______. [ ]
【判断题】如1000m垂深处的地层压力为11.8MPa,其压力梯度即为1.18kPa/m。