2014采油課件王16-33注采井組位于屯油田官142斷塊由1注3采構(gòu)成

1、王16-33注采井組 王16-33注采井組位于王官屯油田官142斷塊，由1注3采構(gòu)成，主力層為中生界塊狀砂巖，邊水油藏, 物性較好，為一套辨狀河流沉積，孔隙度35%，原始油層壓力11.5Mpa、非主力油層為沙河街泥砂巖油層,物性差,有氣頂,含水低，油層受注水敏感性強(qiáng)(目前無(wú)注水井), 原始地層壓力10.0Mpa.根據(jù)所給資料、圖表(見(jiàn)圖)分析回答下列問(wèn)題。 1. 計(jì)算:142-3井05年12月氣油比;15-33井05年 12月泵效;井組合理注采比? 2. 分析15-33井沉沒(méi)度變化原因,調(diào)剖效果如何? 3. 井組存在問(wèn)題? 4. 井組如何調(diào)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油層連通圖2400242024402460中生界構(gòu)造井位圖142-315-3216-3315-33油水界面-2400-2420-2440-2460中生界構(gòu)造井位圖142-315-3216-3315-33油水界面 注水井 采油井15-32井生產(chǎn)數(shù)據(jù)時(shí)間生產(chǎn)層位日產(chǎn)液日產(chǎn)油月產(chǎn)氣含水流壓/動(dòng)液面套壓備注2004.01沙一中96.0 21.083078.1%無(wú)顯示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井生產(chǎn)數(shù)據(jù)時(shí)間生產(chǎn)層位工作制度日產(chǎn)液日產(chǎn)油日產(chǎn)水含水流

5、壓/動(dòng)液面套壓備注2004.01沙一中泵徑44mm沖程4米沖次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日站回壓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日站回壓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泵徑44mm沖程4米沖次3次泵深1350米31.3 5.825.5 81.5%桿斷9日開(kāi)井2005.0431.6 6.125.5 80.7%2005.0530.2 6.423.8 78.8%29管線通球2005.0629.9 6.723.2 77.6%2日站回壓0.62005.0732.3 7.025.3 78.3%25日站回壓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日站回壓0.85幻燈片 7表15-33井生產(chǎn)數(shù)據(jù)時(shí)間生產(chǎn)層位日產(chǎn)液日產(chǎn)油日產(chǎn)水含水流壓/動(dòng)液面靜壓套壓備注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日調(diào)剖,關(guān)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井組開(kāi)發(fā)數(shù)據(jù)時(shí)間日產(chǎn)液日產(chǎn)油月產(chǎn)氣氣油比日注水量備注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間注,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計(jì)15-32產(chǎn)液剖面04.1205.1035%65%8%91%總存171.6150100%15-33井生產(chǎn)數(shù)據(jù)時(shí)間生產(chǎn)層

13、位日產(chǎn)液日產(chǎn)油日產(chǎn)水含水流壓/動(dòng)液面靜壓套壓備注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日調(diào)剖,關(guān)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.計(jì)算解:1).142-3井05年12月氣油比 =月產(chǎn)氣量/月產(chǎn)油量 =(1016-756)/3.531=2.4 m3/t2). 15-33井05年12月泵效 =(Q實(shí)/Q理) 100% =(171.6/150) 100% =114.4%3).井組注采比保持多少為最佳 21.3+9.5=30.5 (t)產(chǎn)量最大,注采比應(yīng)選0.953總2王15-33井沉沒(méi)度變化原因,調(diào)剖效果如何 答: 從油層連通圖和生產(chǎn)數(shù)據(jù)表分析,15-33油層厚度大,滲透率高,造成動(dòng)液面不斷上升,沉沒(méi)度持續(xù)增加,調(diào)配,調(diào)工作制度,調(diào)剖均未見(jiàn)效,導(dǎo)致注入水水淹嚴(yán)重(99.1%). 7月6日調(diào)剖不見(jiàn)效,原因是注入水已形成固定“大孔道”調(diào)剖措施難以解決.總 存 在 問(wèn) 題?1. 井組產(chǎn)量遞減