滲流物理答案

1、第二章 第二章(黑油模型 黑油模型) 流體物性 流體物性1、A liquid sample from a reservoir whose volume was 280.0 cc under reservoir condition was cooled to 20oC and the pressure released to 1atmosphere. The liquid volume was reduced to 194.0 cc a

2、nd standard cc of gas were evolved. 4 10 72 . 1 ?Calculate Rs and Bo at reservoir condition.解 由溶解氣油比和體積系數(shù)的定義可得：88.66stm3/m3 1.44 ? ? ? ??66 410 * 19410 * 10 * 72 . 1ccccVV Rosgscs ? ? ? ccccVV Bosoro 1942802、A labor

3、atory cell, contained 280.0 cc of reservoir liquid at its bubble point of 13.6MPa at 60oC, 18.8 cc of mercury were removed from the cell and the pressure dropped to 10.8MPa. Mercury was then reinjected at constant temper

4、ature and pressure and standard cc of gas were removed leaving 263.5 cc of liquid. 3 10 65 . 3 ?The process was repeated reducing the pressure to 1 atm and the temperature to 20oC. Then standard cc of gas were removed

5、and 205.9 cc of liquid remained in the 4 10 1 . 1 ?cell .Determine:(1) Bob and Rsb at 13.6MPa and 60o C ?(2) Bo, Bt, Bg, Rs, and z 10.8MPa and 60oC?解 （1）在 13.6MPa 60oC 泡點(diǎn)壓力下 ：1.36 ? ? ? ccccVV Bosobob 9 . 20528071.15st

6、m3/m3 ? ? ? ? ??66 3 410 * 9 . 20510 * ) 10 * 65 . 3 10 * 1 . 1 (cccc ccVV Rosgscsb(2) 在 10.8MPa 60oC 下 ：1.28 ? ? ? ccccVV Bosoro 9 . 2055 . 26353.42stm3/m3 ? ? ? ??66 410 * 9 . 20510 * 10 * 1 . 1ccccVV Rosgscs00967

7、 . 0 36503 . 353650) 5 . 263 8 . 18 280 ( ? ? ? ? ? ? ccccVV Bgsgg0.90712 ? ?? ? ? 1013 . 0 * ) 60 273 (8 . 10 * ) 20 273 ( * 00967 . 0scsc gTPP T B z3、油氣分離計(jì)算： 、油氣分離計(jì)算：Table 1 below gives the results of constant mass stu

8、dy of an oil sample where the volume of an oil sample was measured as a function of pressure at temperature of 550 3.7 2813 170.64400 2.7 3558 168.75250 1.7 4496 165.78139 0.9 5386 162.540 0.0 8991 144.50@60oF 135

9、.00解 （1）油藏的泡點(diǎn)壓力01002003004005006007008000 10 20 30 40壓力（Mpa)體積（cc)系列1由圖中直線的交點(diǎn)可得：泡點(diǎn)壓力=8.0MPa（2）23.8MPa 時(shí)油的體積為 244.57cc 由圖可得泡點(diǎn)壓力下油的體積為： cc Vo 2 . 255 ?泡點(diǎn)壓力下的體積系數(shù)： 8236 . 0 553 . 45 ? ? ob B故油的體積系數(shù)為： 8594 . 0 8236 . 0 * 57

10、. 2442 . 255 * ? ? ? oboobo B VV B(3) 12.2MPa 大于泡點(diǎn)壓力，故此時(shí)的溶解氣油比和泡點(diǎn)壓力時(shí)相同由二級(jí)分離的數(shù)據(jù)可得： stm3/m3 15 . 44 10 * 3 . 4510 * ) 2000 (66? ? ? ??ccccVV Rosgscsb（4）6.5MPa 對(duì)應(yīng)的累積產(chǎn)氣量為： 1 . 1111 ) 5 . 6 8 . 6 ( * 8 . 5 8 . 6938 1515 938 ?

11、 ? ?? ? ? g V對(duì)應(yīng)的油量為： 553 . 174 ) 5 . 6 8 . 6 ( * 8 . 5 8 . 601 . 174 5 . 175 175 ? ? ?? ? ? o V293 . 1 135553 . 174 ? ? ? ccccVV Bosoro58.37stm3/m3 ? ? ? ? ??6610 * 13510 * ) 1 . 1111 8991 (ccccVV Rosgscs（組分模型） （組分模型）4、A