【判断题】
按习惯地层压力系数为1.0-1.07，称为正常地层压力。
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相关试题
【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。
【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】
下管柱作业产生的激动压力，其结果是___。
A. 有利于促进油层的改造
B. 降低有效的井口压力
C. 增大有效井底压力
D. 有利于井口装置压力等级的提高
【单选题】
泵压是向井内泵入井液时，克服井内循环系统中___以及井口回压或地层压力等所需要的压力。
A. 摩擦损失和油、套压力不平衡
B. 摩擦力和油、套压力平衡
C. 摩擦和油、套压力
D. 摩阻和油、套压力平衡
【单选题】
井内液体处于静止或停止循环状态时，井底压力等于___。
A. 1/2循环时的泵压
B. 井筒中液柱的静液压力
C. 1/2-1/3循环立压
D. 井筒中液柱的流动压力
【单选题】
下管柱时，井底压力等于___。
A. 静液压力＋激动压力－冲击产生的压力
B. 管柱下放时产生的激动压力＋1/2静液压力
C. 静液压力＋激动压力＋冲击产生的压力
D. 静液压力＋管柱下放时产生的激动压力
【单选题】
正常正循环时，井底压力等于___。
A. 井液压力＋环空流体的摩阻压力
B. 井液压力＋油管内流体的摩阻压力
C. 环空流体的摩阻压力
D. 油管内流体的摩阻压力
【单选题】
修井液中混油过量或混油不均匀，容易造成井内液柱压力___地层孔隙压力。
【单选题】
静止状态下，要监测井口液面，防止液柱高度下降___井底压力。
A. 减小
B. 增加
C. 不变
D. 大幅度减小
【单选题】
起管柱时，井底压力等于___。
A. 静液压力
B. 静液压力+环空压耗
C. 静液压力-抽汲压力
D. 静液压力+环空压耗+套压
【单选题】
溢流关井时，井底压力约等于___。
A. 静液压力
B. 环空静液压力+套压
C. 静液压力-抽汲压力
D. 静液压力+激动压力
【单选题】
地面回压（套压）必须___最大允许关井压力值。
A. 等于
B. 小于
C. 大于
D. 远远大于
【单选题】
发生溢流后需及时关井，形成足够的地面回压，使井底压力重新能够平衡___。
A. 地层漏失压力
B. 井底压力
C. 环空压耗
D. 地层压力
【单选题】
由于抽汲压力的影响会使井底压力降低，而降低上提管柱的速度等措施只能减小抽汲压力，但不能消除抽汲压力。因此，需要给修井液密度附加一个安全值来抵消抽汲压力等因素对井底压力的影响。附加方式主要有___。
【单选题】
地层孔隙中的流体（石油、天然气、盐水或淡水）侵入井内，称之为___。
【单选题】
井下高压层的地层流体把井内某一薄弱层压破，流体由高压层大量流入被压破的地层的现象叫___。
A. 地上井喷
B. 地下井喷
C. 溢流
D. 井涌
【单选题】
关井是控制溢流的关键方法。溢流发生后，必须关闭防喷器，以___控制井口，阻止溢流进一步发展。
A. 最好的方法
B. 最好的封井器
C. 二次井控
D. 最快的速度
【单选题】
关井后，由于井筒处于密闭状态，如果修井液柱压力不能平衡地层压力，就将出现___。
A. 关井油压和关井套压
B. 关井油压
C. 关井套压
D. 井底压力
【单选题】
要维持一口井处于有控状态，就必须保证适当的___。
A. 井底压力
B. 地层压力
C. 破裂压力
D. 关井立压
【单选题】
某直井在5800m处发生溢流后关井，原钻井液密度1.2g/cm3，测得关井立压3MPa，关井套压5MPa，求平衡地层压力所需的最低静液压力___MPa。
A. 71.28
B. 71.2
C. 75.5
D. 76.5
【单选题】
如果井深6300m，钻杆内钻井液密度1.40g/cm3，关井立压4MPa，求平衡地层压力所需的最低钻井液密度___g/cm3。
A. 1.5
B. 1.47
C. 1.4
D. 1.3
【单选题】
某井修井液1.15g/cm3，油层中部垂直井深2061m，溢流初期关井油压1.96MPa，则该井地层压力是___MPa。
A. 23.19
B. 24.19
C. 25.19
D. 26.19
【单选题】
某井产层中部垂深2800m，修井液密度1.24g/cm3，下管柱时有1.76MPa的激动压力作用于井底，则井底压力当量密度是___g/cm3。
A. 1.3
B. 1.24
C. 1.18
D. 0.064
【单选题】
某井修井液密度为1.20g/cm3，如果井筒的液面下降了30m，则井底静液压力减少___MPa。
A. 0.3528
B. 0.3586
C. 0.3938
D. 0.3966
【单选题】
某井地层压力为21.86MPa，该地层中部垂直深度为2050m，则该地层压力梯度是___KPa/m。
A. 10.335
B. 10.499
C. 10.549
D. 10.663
【单选题】
上覆岩层压力的大小取决于地下岩石平均密度和___。
A. 岩石埋深
B. 井底压力
C. 修井液柱压力
D. 岩石孔隙内流体密度
【单选题】
井眼环形空间尺寸越小，井下工具___，抽汲压力越大。
A. 内径越小
B. 内径越大
C. 外径越小
D. 外径越大
【单选题】
预防溢流要求液柱压力___地层压力。
A. 远大于
B. 稍大于
C. 等于
D. 稍小于
【单选题】
上提管柱时，产生的抽汲力能导致井底压力___。
【单选题】
修井作业中溢流的最主要原因是___。
A. 井内正压差
B. 井内负压差
C. 地层压力高
D. 地层储量大
【单选题】
在作业施工中，___必须满足平衡地层压力的要求。
A. 关井套管压力
B. 循环总压力
C. 修井液密度
D. 地层流体密度
【单选题】
作业中造成溢流的根本原因是___。
A. 井底压力大于地层压力
B. 井底压力小于地层压力
C. 井底压力等于地层压力
D. 井底压力小于地层破裂压力
【单选题】
引起溢流最多的原因是压井液密度不够，而溢流多数发生在___。
A. 坐封隔器或洗井后
B. 压裂加砂或排液后
C. 下管柱时或酸化后
D. 起管柱时或射孔后
【单选题】
气侵对浅井液柱压力的影响程度比深井___。
【单选题】
修井液受气侵后，修井液液柱压力___。
A. 增加
B. 减小
C. 不发生变化
D. 不一定
【单选题】
气体的压力和体积的关系近似于___。
A. 反比例
B. 正比例
C. 不相关联
D. 无规律变化
【单选题】
天然气溢流关井后，天然气在带压滑脱上升过程中，关井油、套压在不断上升，作用于井内各处压力___。
A. 不变
B. 不断降低
C. 不断升高
D. 不确定
【单选题】
井内修井液被气侵后，井内修井液密度___。
A. 全井均相等
B. 自下而上逐渐增大
C. 自下而上逐渐减小
D. 自上而下逐渐降低
【单选题】
尽管井内是正压差，仍有少量天然气进入井筒，这是天然气的___。
A. 压缩性
B. 膨胀性
C. 易燃易爆性
D. 扩散性
【单选题】
溢流关井后，井内产生圈闭压力的主要原因，一是泵未停稳就关了井，二是___。
A. 井内出现了新的溢流
B. 钻具内外压力不平衡
C. 地层压力恢复缓慢
D. 天然气带压滑脱上升
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— Yes, indeed. Its several years ________ I enjoyed myself so much.
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【单选题】
10. —I’m going to Flower Bookstore. Could you tell me ______?
— Sorry, I don’t know. I’m new here.
A. where it is B. where was it C. where is it D. where it was
【单选题】
11. How do you like the dishes, Eric?
— Fantastic! Nothing tastes ________.
A. nice B. better C. terrible D. worse
【单选题】
12. ______ Lin Feng has to work late, she always wears a smile on her face.
A. Because B. If C. Until D. Though
【单选题】
13.You can save money _______ you buy cheaper things.
A. before B. unless C. if D. until
【单选题】
14. We will have a _________ holiday after the exam．
A. two-month B. two month’s C. two month D. two-months
【单选题】
15. —We will build an underground in Xuzhou before 2015．
— Wow, _______! Will it pass our place?
A. what an excited news B. how excited the news is
C. what exciting news D. how exciting
【单选题】
16. — Emily, here’s a dictionary．I hope it will help you in some way．
— Thank you．It’s ________ what I need．
A. almost B. still C. only D. just
【单选题】
17. —Oh．I’m hungry．Mum, can I have the hamburger on the plate?
—No．It tastes ．
A. terribly B. terrible C. good D. well
【单选题】
18. —We can invite our teachers to the farewell party next Saturday.
—Yes, ______? I’ll call them at once.
A. what for B. what C. why not D. why
【单选题】
19.You can ________ ask the old man to move away to any other place because he has lived ________ here for at least sixty years．
A. hardly; alone B. hard; alone
C. hardly; lonely D. hardly; lonely
【单选题】
20.—I’m going back to see my grandparents this weekend．
—________．
A. It’s very nice of you B. You’d better hurry
C. Say goodbye to them D. Give my best wishes to them
【单选题】
21.—Why not take ____ umbrella with the sign “Made in China”? It is useful.
—What _______ good advice it is!
A. an; a B. a; a C. an; \ D. \; a
【单选题】
22. —Do you know the boy________ is sitting next to Peter?
— Yes. He is Peter’s friend. They are celebrating his ________ birthday.
A. who; ninth B. that; ninth C. /; ninth D. which; ninth
【单选题】
23. It was dark, ______ I couldnt see what was happening.
A. or B. though C. but D. so
【单选题】
24.—You can use MSN to talk with Vivien on the Internet.
—I know. But can you tell me ________?
A. what I can use it B. when I can use it
C. why can I use it D. how can I use it
【单选题】
25. _______ are you going to the School Uniform Exhibition, Amy ?
To learn about different styles of school uniform.
A. What B. Where C. Which D. Why
【单选题】
( ) 26. Where does the writer of "The little Prince" come from?
A．England． B．France． C．America． D．China．
【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
A．He cares more about a flower and a sheep．
B．He meets many more strange adults on other planets．
C．He realizes his love for the rose and he goes back to his planet．
D．He discovers interesting things such as a snake, other roses and a fox
【单选题】
( ) 28. What does "The little Prince" mainly talk about? It' s about _________．
A．the adult world B．the planet B -612
C．a rose and a fox D．the adventure of a young prince
【单选题】
( ) 29. What is the writer's main purpose（目的）in writing this passage？
A．To tell the readers his life story．
B．To tell people what kind of person his father was．
C．To tell the readers what present he got from his father．
D． To let people know how poor he was．
【单选题】
( ) 30. Why did the father not ask his son not to do this and do that？
A．Because he felt quite confident of his son．
B．Because he was born from a poor family．
C．Because he was a man of few words．
D．Because he didn't want to be much too strict with his son．
【单选题】
( ) 31. What would someone learn from this passage？
A．How to live by oneself． B．How to stand on one's own feet．
C．What a good father should do． D．What the self-important is like．
【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage？
A．闲暇时光 B．学费 C．精神空虚 D．经济不足
【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her?
A. She had seven tickets.
B. She hoped to please others.
C. She knew the car drivers well.
D. She wanted to show kindness.
【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
A. thought it was beautifully written
B. wanted to know what it really meant
C. decided to write it on a warehouse wall
D. wanted her husband to put it up in the classroom
【单选题】
( ) 35. Who came up with the phrase according to the passage?
A. Judy Foreman. B. Natalie Smith. C. Anne Herbert D. Alice Johnson.
【单选题】
( ) 36. What can we infer from the last paragraph?
A. People should practice random kindness to those in need.
B. People who receive kindness are likely to offer it to others.
C. People should practice random kindness to strangers they meet.
D. People who receive kindness are likely to pay it back to the giver.
【单选题】
( ) 37.The greatest river for navigation is ___________.
A. the Nile B. the Amazon C. the Mekong D. the Mississippi
【单选题】
( ) 38. From a dam, people can use the water for ___________.
A. keeping the rivers clean B. only making electricity
C. irrigation and making electricity D. washing clothes
【单选题】
( ) 39. The water in the river is polluted because of _____________.
A. people's drinking water too much B. people's swimming in the river too much
C. chemicals and other materials D. people's building a dam across a river
【单选题】
( ) 40. The best title of the passage is ___________.
A. Rivers in Cities B. The importance of Rivers
C. Transportation D. Natural Resources
