2014采油课件王16-33注采井组位于屯油田官142断块由1注3采构成

1、王16-33注采井组 王16-33注采井组位于王官屯油田官142断块，由1注3采构成，主力层为中生界块状砂岩，边水油藏, 物性较好，为一套辨状河流沉积，孔隙度35%，原始油层压力11.5Mpa、非主力油层为沙河街泥砂岩油层,物性差,有气顶,含水低，油层受注水敏感性强(目前无注水井), 原始地层压力10.0Mpa.根据所给资料、图表(见图)分析回答下列问题。 1. 计算:142-3井05年12月气油比;15-33井05年 12月泵效;井组合理注采比? 2. 分析15-33井沉没度变化原因,调剖效果如何? 3. 井组存在问题? 4. 井组如何调整? 中1 20.1 12 480王16-33中1 2

2、2.4 13 500中1 22.4 13 500中1 10.8 3 100沙一 25.3 12 300沙一 22.5 10 250中119.6 11 450王15-32王15-33王142-3油层连通图2400242024402460中生界构造井位图142-315-3216-3315-33油水界面-2400-2420-2440-2460中生界构造井位图142-315-3216-3315-33油水界面 注水井 采油井15-32井生产数据时间生产层位日产液日产油月产气含水流压/动液面套压备注2004.01沙一中96.0 21.083078.1%无显示2.2 QYDB100-2100-962004.

3、0294.8 20.890078.1%2004.0393.6 20.697078.0%2004.0492.4 20.4104077.9%2004.0591.2 20.2111077.9%2004.0690.0 20.0118077.8%2004.0788.8 19.8125077.7%2004.0887.6 19.6132077.6%2004.0986.4 19.4139077.5%2004.1085.2 19.2146077.5%2004.1184.0 18.6100677.9%19092004.1282.8 18.198778.1%2005.0181.6 17.698278.4%2005.

4、0280.4 17.197778.7%2005.0379.2 16.297279.5%2005.0478.0 15.396780.4%18991.0 2005.0576.8 14.596281.1%2005.0675.6 13.695782.0%2005.0774.4 12.795082.9%2005.0873.2 11.192384.8%2005.0972.0 10.690085.3%2005.1070.8 9.986086.0%2005.1169.6 9.681286.2%2005.1268.4 9.175686.7%0.5 142-3井生产数据时间生产层位工作制度日产液日产油日产水含水流

5、压/动液面套压备注2004.01沙一中泵径44mm冲程4米冲次5次泵深1280米30.0 8.921.1 70.3%9210.21日新井2004.0229.7 8.721.0 70.7%2日站回压0.452004.0329.4 8.520.9 71.1%2004.0429.1 8.320.8 71.5%2004.0528.8 8.120.7 71.9%2004.0628.5 7.920.6 72.3%2004.0728.2 7.720.5 72.7%2004.0827.9 7.520.4 73.1%2004.0927.6 7.320.3 73.6%2004.1027.3 7.120.2 74.

6、0%10日站回压0.52004.1127.0 6.920.1 74.4%2004.1226.7 6.720.0 74.9%2005.0126.3 6.619.7 72.1%2005.0226.6 6.519.1 72.9%10800.32005.03泵径44mm冲程4米冲次3次泵深1350米31.3 5.825.5 81.5%杆断9日开井2005.0431.6 6.125.5 80.7%2005.0530.2 6.423.8 78.8%29管线通球2005.0629.9 6.723.2 77.6%2日站回压0.62005.0732.3 7.025.3 78.3%25日站回压0.52005.08

7、28.8 7.321.5 74.7%2005.0928.1 3.824.3 86.5%2005.1027.5 3.723.8 86.5%2005.1126.3 3.622.7 86.3%2005.1223.3 3.521.5 85.0%8700.725日站回压0.85幻灯片 7表15-33井生产数据时间生产层位日产液日产油日产水含水流压/动液面静压套压备注2004.01中145.0 3.00142.0 97.9%200010.8 0QYDB150-2300-962004.02146.1 2.89143.2 98.0%油嘴12毫米2004.03147.2 2.89144.3 98.0%2004.

8、04148.3 2.88145.4 98.1%2004.05149.4 2.88146.5 98.1%2004.06150.5 2.87147.6 98.1%2004.07151.6 2.86148.7 98.1%2004.08152.7 2.87149.8 98.1%2004.09153.8 2.59151.2 98.3%2004.10154.9 2.55152.4 98.4%2004.11156.0 2.51153.5 98.4%2004.12149.2 2.40146.8 98.4%198011.5 0油嘴10毫米2005.01150.0 2.40147.6 98.4%2005.0215

9、6.1 2.35153.8 98.5%2005.03160.4 2.31158.1 98.6%2005.04162.0 2.29159.7 98.6%2005.05165.2 2.20163.0 98.7%2005.06167.5 2.10165.4 98.7%2005.07160.2 2.20158.0 98.6%172011.6 020日调剖,关控10天2005.08160.6 2.16158.4 98.7%2005.09162.3 2.10160.2 98.7%2005.10169.2 1.80167.4 98.9%2005.11170.5 1.65168.9 99.0%2005.121

10、71.6 1.50170.1 99.1%150012.2 016-33井组开发数据时间日产液日产油月产气气油比日注水量备注2004.01271.0 32.9109033.1 200.0 2004.02270.6 32.4116035.8 200.0 2004.03270.2 32.0123038.4 200.0 2004.04269.8 31.6130041.2 200.0 2004.05269.4 31.2137043.9 200.0 2004.06269.0 30.8144046.8 200.0 2004.07268.6 30.4151049.7 200.0 2004.08268.2 30

11、.0158052.7 200.0 2004.09267.8 29.3165056.3 200.0 2004.10267.4 28.9172059.6 200.0 2004.11267.0 28.0126645.2 200.0 2004.12258.7 27.2124745.8 150.0 2005.01255.9 24.6124250.5 150.0 2005.02260.1 24.0123751.6 150.0 2005.03270.9 24.3123250.7 150.0 2005.04271.6 23.7122751.8 150.0 2005.05272.2 23.1122252.9 1

12、50.0 2005.06273.0 22.4121754.3 150.0 2005.07266.9 21.9121055.3 150.0 2005.08262.6 20.6118357.5 200/100间注,每5天2005.09262.4 16.5116070.3 200/1002005.10267.5 15.4112072.7 200/1002005.11266.4 14.9107272.2 200/1002005.12263.3 14.1101672.1 200/100计15-32产液剖面04.1205.1035%65%8%91%总存171.6150100%15-33井生产数据时间生产层

13、位日产液日产油日产水含水流压/动液面静压套压备注2004.01中145.0 3.00142.0 97.9%200010.8 0QYDB -2300-962004.02146.1 2.89143.2 98.0%油嘴12毫米2004.03147.2 2.89144.3 98.0%2004.04148.3 2.88145.4 98.1%2004.05149.4 2.88146.5 98.1%2004.06150.5 2.87147.6 98.1%2004.07151.6 2.86148.7 98.1%2004.08152.7 2.87149.8 98.1%2004.09153.8 2.59151.2

14、 98.3%2004.10154.9 2.55152.4 98.4%2004.11156.0 2.51153.5 98.4%2004.12149.2 2.40146.8 98.4%198011.5 0油嘴10毫米2005.01150.0 2.40147.6 98.4%2005.02156.1 2.35153.8 98.5%2005.03160.4 2.31158.1 98.6%2005.04162.0 2.29159.7 98.6%2005.05165.2 2.20163.0 98.7%2005.06167.5 2.10165.4 98.7%2005.07160.2 2.20158.0 98.

15、6%172011.6 06日调剖,关控10天2005.08160.6 2.16158.4 98.7%2005.09162.3 2.10160.2 98.7%2005.10169.2 1.80167.4 98.9%2005.11170.5 1.65168.9 99.0%2005.121.50170.1 99.1%150012.2 01.计算解:1).142-3井05年12月气油比 =月产气量/月产油量 =(1016-756)/3.531=2.4 m3/t2). 15-33井05年12月泵效 =(Q实/Q理) 100% =(171.6/150) 100% =114.4%3).井组注采比保持多少为最佳 21.3+9.5=30.5 (t)产量最大,注采比应选0.953总2王15-33井沉没度变化原因,调剖效果如何 答: 从油层连通图和生产数据表分析,15-33油层厚度大,渗透率高,造成动液面不断上升,沉没度持续增加,调配,调工作制度,调剖均未见效,导致注入水水淹严重(99.1%). 7月6日调剖不见效,原因是注入水已形成固定“大孔道”调剖措施难以解决.总 存 在 问 题?1. 井组产量递减