低产低效井实施间抽制度适应性分析.ppt

　　实施低产、低效井间抽工作制度是为了最大限度的发掘机采井节能降耗的管理潜能，追求企业效益最大化的管理途径，为探索总结出方便、经济、可操作性强的一套低产、低效井降低能耗的管理方法，在全厂范围内选出了50口低产、低效井进行了现场试验，通过摸索对间抽井的液面变化规律、产量变化情况有了一些初步的认识1．在拟稳定状态下的产量有一定程度的下降．在拟稳定状态下的产量有一定程度的下降　　通过试验对比分析，节态与原态对比日产液下降，下降了15%，日产油下降，下降了20.2%，综合含水上升个百分点，平均泵效提高个百分点间抽试验产量汇总对比表间抽试验产量汇总对比表录取取资料波次料波次录取取时间平均平均产液液(t/d)(t/d)平均平均产油油(t/d)(t/d)含水含水(%)(%)泵效效(%)(%)试验正常正常差差值试验正常正常差差值试验正常正常差差值试验正常正常差差值1 18:308:3031.6131.6110.0￿10.0￿21.6121.613.033.031.041.041.991.9990.41￿90.41￿ 89.60￿89.60￿0.810.8175.1775.1724.10￿24.10￿ 51.07￿51.07￿2 210:3010:3028.4128.4110.0￿10.0￿18.4118.412.352.351.041.041.311.3191.73￿91.73￿ 89.60￿89.60￿2.132.1367.5667.5624.10￿24.10￿ 43.46￿43.46￿3 312:3012:3023.9223.9210.0￿10.0￿13.9213.922.082.081.041.041.041.0491.2991.2989.60￿89.60￿1.691.6956.87￿56.87￿ 24.10￿24.10￿ 32.77￿32.77￿4 414:3014:3018.1418.1410.0￿10.0￿8.148.142.532.531.041.041.49￿1.49￿86.0386.0389.60￿89.60￿ -3.57-3.5743.14￿43.14￿ 24.10￿24.10￿ 19.04￿19.04￿全日全日8.5￿8.5￿10.0￿10.0￿-1.5-1.5￿ ￿0.830.831.041.04-0.21-0.2190.23￿90.23￿ 89.60￿89.60￿0.630.6360.69￿60.69￿ 24.10￿24.10￿ 36.5936.59￿ ￿1．在拟稳定状态下的产量有一定程度的下降．在拟稳定状态下的产量有一定程度的下降2．实施间抽后的能耗下降幅度较大．实施间抽后的能耗下降幅度较大　　统计结果显示，平均单井沉没度上升，平均单井消耗功率下降了，百米吨液耗电下降，平均单井系统效率上升个百分点，平均单井日耗电将由173.52 下降到47.25 ，降低了，节电率72.77%间抽试验能耗汇总对比表间抽试验能耗汇总对比表录取取资料波次料波次录取取时间沉没度沉没度(m)(m)消耗功率消耗功率(KW)(KW)百米吨液耗百米吨液耗电(KWh)(KWh)系系统效率效率(%)(%)试验正常正常差差值试验正常正常差差值试验正常正常差差值试验正常正常差差值1 18:308:30469.72469.7245.1445.14424.58424.586.126.127.237.23-1.11-1.110.870.871.811.81-0.94-0.9428.9328.9318.8118.8110.1210.122 210:3010:30309.23309.2345.1445.14264.09264.096.676.677.237.23-0.56-0.560.810.811.811.81-1.00-1.0035.8035.8018.8118.8116.9916.993 312:3012:30178.19178.1945.1445.14133.05133.057.037.037.237.23-0.2-0.20.860.861.811.81-0.95-0.9533.2633.2618.8118.8114.4514.454 414:3014:30133.39133.3945.1445.1488.2588.257.187.187.237.23-0.05-0.051.091.091.811.81-0.72-0.7227.6527.6518.8118.818.848.84全日全日272.63272.6345.1445.14227.49227.496.756.757.237.23-0.48-0.480.870.871.811.81-0.94-0.9431.4131.4118.8118.8112.612.6　　从以上图表中可以看出，总体将会出现日产液下降、日产油下降、含水上升、泵效上升、消耗功率下降、百米吨液耗电下降、系统效率上升的情况，即出现产油略下降、能耗降低的现象2．实施间抽后的能耗下降幅度较大．实施间抽后的能耗下降幅度较大间抽试验低泵效（＜间抽试验低泵效（＜25%）井效果对比表）井效果对比表项目目录取取资料料波次波次录取取时间日日产液液(t/d)(t/d)日日产油油(t/d)(t/d)含水含水(%)(%)泵效效(%)(%)试验正常正常差差值试验正常正常差差值试验正常正常差差值试验正常正常差差值单井井平平均均1 18:308:3029.9829.987.167.1622.8222.823.343.340.920.922.422.4288.988.987.6787.671.231.2363.0263.0216.5316.5346.4946.492 210:3010:3025.725.77.167.1618.5418.541.841.840.920.920.920.9292.892.887.6787.675.135.1354.0754.0716.5316.5337.5437.543 312:3012:3021.221.27.167.1614.0414.042.42.40.920.921.481.4888.888.887.6787.671.131.1344.644.616.5316.5328.0728.074 414:3014:3015.0215.027.167.167.867.862.92.90.920.921.981.9880.580.587.6787.67-7.17-7.1731.631.616.5316.5315.0715.07全日全日7.657.657.167.160.490.490.870.870.920.92-0.05-0.0587.7587.7587.6787.670.080.0848.3248.3216.5316.5331.7931.79项目目录取取资料料波次波次录取取时间沉没度沉没度(m)(m)消耗功率消耗功率(KW)(KW)百米吨液耗百米吨液耗电(KWh)(KWh)系系统效率效率(%)(%)试验正常正常差差值试验正常正常差差值试验正常正常差差值试验正常正常差差值单井井平平均均1 18:308:30503.25503.2535.1635.16468.09468.096.836.837.537.53-0.7-0.70.70.72.262.26-1.56-1.5622.0822.0819.0519.053.033.032 210:3010:30264.06264.0635.1635.16228.9228.96.796.797.537.53-0.74-0.740.80.82.262.26-1.46-1.4622.1922.1919.0519.053.143.143 312:3012:30120.86120.8635.1635.1685.785.76.96.97.537.53-0.63-0.631 12.262.26-1.26-1.2621.8521.8519.0519.052.82.84 414:3014:3079.679.635.1635.1644.4444.447.067.067.537.53-0.47-0.471.41.42.262.26-0.86-0.8621.3321.3319.0519.052.282.28平均平均241.94241.9435.1635.16206.78206.786.906.907.537.53-0.63-0.630.980.982.262.26-1.28-1.2821.8621.8619.0519.052.812.813．适应性分析．适应性分析按泵效分类的情况统计按泵效分类的情况统计间抽试验高泵效（＞间抽试验高泵效（＞25%）井效果对比表）井效果对比表项目目录取取资料波次料波次录取取时间日日产液液(t/d)(t/d)日日产油油(t/d)(t/d)含水含水(%)(%)泵效效(%)(%)试验正常正常差差值试验正常正常差差值试验正常正常差差值试验正常正常差差值单井井平均平均1 18:308:3032.9932.9912.1412.1420.8520.852.782.781.141.141.641.6491.691.690.690.61 188.4588.4532.532.555.9555.952 210:3010:3027.7827.7812.1412.1415.6415.642.742.741.141.141.61.690.290.290.690.6-0.4-0.474.574.532.532.542423 312:3012:3023.923.912.1412.1411.7611.761.411.411.141.140.270.2793.893.890.690.63.23.264.164.132.532.531.631.64 414:3014:3019.4819.4812.1412.147.347.342 21.141.140.860.8689.789.790.690.6-0.9-0.952.252.232.532.519.719.7全日全日8.688.6812.1412.14-3.46-3.460.740.741.141.14-0.4-0.491.3391.3390.690.60.730.7369.8169.8132.532.537.3137.31项目目录取取资料波次料波次录取取时间沉没度沉没度(m)(m)消耗功率消耗功率(KW)(KW)百米吨液耗百米吨液耗电(KWh)(KWh)系系统效率效率(%)(%)试验正常正常差差值试验正常正常差差值试验正常正常差差值试验正常正常差差值单井井平均平均1 18:308:30440.98440.9853.753.7387.28387.28 5.515.516.696.69-1.18-1.180.710.711.391.39-0.68-0.6836.2136.2120.2420.2415.9715.972 210:3010:30361.96361.9653.753.7308.26308.26 6.056.056.696.69-0.64-0.640.810.811.391.39-0.58-0.5837.3337.3320.2420.2417.0917.093 312:3012:30277.58277.5853.753.7223.88223.885.65.66.696.69-1.09-1.090.90.91.391.39-0.49-0.4934.1534.1520.2420.2413.9113.914 414:3014:30236.5236.553.753.7182.8182.86.686.686.696.69-0.01-0.011.071.071.391.39-0.32-0.3231.531.520.2420.2411.2611.26平均平均329.26329.2653.753.7275.56275.56 5.965.966.696.69-0.73-0.730.870.871.391.39-0.52-0.5234.8034.8020.2420.2414.5614.563．适应性分析．适应性分析按泵效分类的情况统计按泵效分类的情况统计　　分析发现泵效低于25%的油井间抽前后对比产液量略有增加，产油量基本持平，消耗功率下降。

泵效高于25%的油井间抽前后对比产液量下降，产油量下降，形成产油下降、能耗降低的现象3．适应性分析．适应性分析按含水分类的情况统计按含水分类的情况统计间抽试验含水（＜间抽试验含水（＜90%）井效果对比表）井效果对比表项目目录取取资料料波次波次录取取时间日日产液液(t/d)(t/d)日日产油油(t/d)(t/d)含水含水(%)(%)泵效效(%)(%)试验正常正常差差值试验正常正常差差值试验正常正常差差值试验正常正常差差值单井井平平均均1 18:308:3032.7532.759.59.523.2523.253.073.071.581.581.491.4990.690.683.483.47.27.274.174.121.5621.5652.5452.542 210:3010:3031.0331.039.59.521.5321.533.323.321.581.581.741.7489.389.383.483.45.95.970.470.421.5621.5648.8448.843 312:3012:3023.2923.299.59.513.7913.793.223.221.581.581.641.6486.286.283.483.42.82.852.852.821.5621.5631.2431.244 414:3014:3017.3417.349.59.57.847.844.24.21.581.582.622.6275.775.783.483.4-7.7-7.739.339.321.5621.5617.7417.74全日全日8.78.79.59.5-0.8-0.8￿ ￿1.151.151.581.58-0.43-0.4385.45￿85.45￿83.483.42.05￿2.05￿59.15￿59.15￿21.5621.5637.59￿37.59￿项目目录取取资料料波次波次录取取时间沉没度沉没度(m)(m)消耗功率消耗功率(KW)(KW)百米吨液耗百米吨液耗电(KWh)(KWh)系系统效率效率(%)(%)试验正常正常差差值试验正常正常差差值试验正常正常差差值试验正常正常差差值单井井平平均均1 18:308:30495.65495.6540.0340.03455.62455.626.966.967.867.86-0.9-0.91 12.072.07-1.07-1.0725.225.214.9114.9110.2910.292 210:3010:30291.2291.240.0340.03251.17251.177.547.547.867.86-0.32-0.320.80.82.072.07-1.27-1.2737.237.214.9114.9122.2922.293 312:3012:30164.26164.2640.0340.03124.23124.237.77.77.867.86-0.16-0.161 12.072.07-1.07-1.0729.6829.6814.9114.9114.7714.774 414:3014:30120.6120.640.0340.0380.5780.577.877.877.867.860.010.011.21.22.072.07-0.87-0.8723.5823.5814.9114.918.678.67平均平均267.93￿267.93￿40.0340.03227.90￿227.90￿7.52￿7.52￿7.867.86-0.34-0.34￿ ￿1.00￿1.00￿2.072.07-1.07-1.07￿ ￿28.92￿28.92￿14.9114.9114.01￿14.01￿3．适应性分析．适应性分析间抽试验含水（＞间抽试验含水（＞90%）井效果对比表）井效果对比表项目目录取取资料波次料波次录取取时间日日产液液(t/d)(t/d)日日产油油(t/d)(t/d)含水含水(%)(%)泵效效(%)(%)试验正常正常差差值试验正常正常差差值试验正常正常差差值试验正常正常差差值单井井平平均均1 18:308:3030.6330.6310.4110.4120.2220.223 30.580.582.422.4290.2190.2194.4694.46-4.25-4.2576.176.125.8725.8750.2350.232 210:3010:3026.1626.1610.4110.4115.7515.751.521.520.580.580.940.9494.1994.1994.4694.46-0.27-0.27656525.8725.8739.1339.133 312:3012:3024.4624.4610.4110.4114.0514.051.11.10.580.580.520.5295.4895.4894.4694.461.021.0260.7660.7625.8725.8734.8934.894 414:3014:3018.8318.8310.4110.418.428.421.11.10.580.580.520.5294.2194.2194.4694.46-0.25-0.2546.7946.7925.8725.8720.9220.92全日全日8.348.3410.4110.41-2.07-2.070.560.560.580.58-0.02-0.0293.5293.5294.4694.46-0.93-0.9362.1662.1625.8725.8736.2936.29项目目录取取资料波次料波次录取取时间沉没度沉没度(m)(m)消耗功率消耗功率(KW)(KW)百米吨液耗百米吨液耗电(KWh)(KWh)系系统效率效率(%)(%)试验正常正常差差值试验正常正常差差值试验正常正常差差值试验正常正常差差值单井井平平均均1 18:308:30447.49447.4935.1635.16412.33412.335.45.47.537.53-2.13-2.130.760.762.532.530.370.3733.0533.0517.9617.96-8.76-8.762 210:3010:30324.66324.6635.1635.16289.5289.55.935.937.537.53-1.6-1.60.80.82.532.53-1.03-1.0334.2734.2717.9617.960.060.063 312:3012:30190.13190.1335.1635.16154.97154.976.466.467.537.53-1.07-1.070.780.782.532.530.430.4336.9136.9117.9617.96-7.47-7.474 414:3014:30144.32144.3235.1635.16109.16109.166.586.587.537.53-0.95-0.950.970.972.532.53-0.21-0.2131.8231.8217.9617.96-2.91-2.91平均平均276.65276.6535.1635.16241.49241.496.096.097.537.53-1.44-1.440.820.822.532.53-1.71-1.7134.0134.0117.9617.9616.0516.053．适应性分析．适应性分析按含水分类的情况统计按含水分类的情况统计　　分析发现含水低于90%的油井间抽前后对比产液量下降幅度小，产油量下降幅度相对较大，含水上升，能耗稳定。

含水高于90%的油井间抽前后对比产液量下降，产油量趋于稳定，含水稳定，能耗下降3．适应性分析．适应性分析按含水分类的情况统计按含水分类的情况统计按产量分类的情况统计按产量分类的情况统计间抽试验日产液（＜间抽试验日产液（＜10t/d）井效果对比表）井效果对比表项目目录取取资料料波次波次录取取时间日日产液液(t/d)(t/d)日日产油油(t/d)(t/d)含水含水(%)(%)泵效效(%)(%)试验正常正常差差值试验正常正常差差值试验正常正常差差值试验正常正常差差值单井井平平均均1 18:308:3023.1323.136.056.0517.0817.082.012.010.760.761.251.2591.391.387.4587.453.853.8574.0174.0119.3619.3654.6554.652 210:3010:3020.7220.726.056.0514.6714.672.42.40.760.761.641.6488.588.587.4587.451.051.0566.366.319.3619.3646.9446.943 312:3012:3015.5515.556.056.059.59.51.81.80.760.761.041.0488.388.387.4587.450.850.8549.849.819.3619.3630.4430.444 414:3014:3013.1313.136.056.057.087.081.61.60.760.760.840.8487.887.887.4587.450.350.35424219.3619.3622.6422.64全日全日6.046.046.05￿6.05￿-0.01￿-0.01￿0.65￿0.65￿0.76￿0.76￿-0.11-0.11￿ ￿88.98￿88.98￿87.45￿87.45￿1.53￿1.53￿58.03￿58.03￿19.36￿19.36￿38.67￿38.67￿项目目录取取资料料波次波次录取取时间沉没度沉没度(m)(m)消耗功率消耗功率(KW)(KW)百米吨液耗百米吨液耗电(KWh)(KWh)系系统效率效率(%)(%)试验正常正常差差值试验正常正常差差值试验正常正常差差值试验正常正常差差值单井井平平均均1 18:308:30388.13388.1348.1848.18339.95339.955.755.756.486.48-0.73-0.731 12.692.69-1.69-1.6927.8827.8811.6211.6216.2616.262 210:3010:30251.14251.1448.1848.18202.96202.966.226.226.486.48-0.26-0.261 12.692.69-1.69-1.6933.733.711.6211.6222.0822.083 312:3012:30140.18140.1848.1848.1892926.66.66.486.480.120.121.21.22.692.69-1.49-1.4925.8925.8911.6211.6214.2714.274 414:3014:30109.8109.848.1848.1861.6261.626.86.86.486.480.320.321.41.42.692.69-1.29-1.2923.8523.8511.6211.6212.2312.23平均平均222.31￿222.31￿48.18￿48.18￿174.13￿174.13￿6.34￿6.34￿6.48￿6.48￿-0.14￿-0.14￿1.15￿1.15￿2.69￿2.69￿-1.54-1.54￿ ￿27.83￿27.83￿11.62￿11.62￿16.2116.21￿ ￿3．适应性分析．适应性分析间抽试验日产液（＞间抽试验日产液（＞10t/d）井效果对比表）井效果对比表项目目录取取资料波次料波次录取取时间日日产液液(t/d)(t/d)日日产油油(t/d)(t/d)含水含水(%)(%)泵效效(%)(%)试验正常正常差差值试验正常正常差差值试验正常正常差差值试验正常正常差差值单井井平均平均1 18:308:3043.1743.1715.3815.3827.7927.794.44.41.41.43 389.7689.7690.7690.76-1-176.0376.0327.0927.0948.9448.942 210:3010:3038.938.915.3815.3823.5223.522.32.31.41.40.90.994.0694.0690.7690.763.33.368.5268.5227.0927.0941.4341.433 312:3012:3035.3335.3315.3815.3819.9519.952.32.31.41.40.90.990.4690.4690.7690.76-0.3-0.368.5268.5227.0927.0941.4341.434 414:3014:3024.9824.9815.3815.389.69.63.83.81.41.42.42.484.7584.7590.7690.76-6.01-6.0144.0444.0427.0927.0916.9516.95全日全日11.86￿11.86￿ 15.38￿15.38￿ -3.52-3.52￿ ￿1.06￿1.06￿1.40￿1.40￿-0.34-0.34￿ ￿ 89.76￿89.76￿ 90.76￿90.76￿ -1.00-1.00￿ ￿ 64.28￿64.28￿ 27.09￿27.09￿37.19￿37.19￿项目目录取取资料波次料波次录取取时间沉没度沉没度(m)(m)消耗功率消耗功率(KW)(KW)百米吨液耗百米吨液耗电(KWh)(KWh)系系统效率效率(%)(%)试验正常正常差差值试验正常正常差差值试验正常正常差差值试验正常正常差差值单井井平均平均1 18:308:30580.97580.974141539.97539.976.616.617.897.89-1.28-1.280.880.881.281.28-0.4-0.430.1930.1928.6628.661.531.532 210:3010:30388.43388.434141347.43347.437.297.297.897.89-0.6-0.60.730.731.281.28-0.55-0.5538.2338.2328.6628.669.579.573 312:3012:30230.01230.014141189.01189.017.567.567.897.89-0.33-0.330.670.671.281.28-0.61-0.6142.0842.0828.6628.6613.4213.424 414:3014:30165.54165.544141124.54124.547.677.677.897.89-0.22-0.220.880.881.281.28-0.4-0.432.2532.2528.6628.663.593.59平均平均341.24￿341.24￿ 41.00￿41.00￿ 300.24300.24￿ ￿ 7.28￿7.28￿7.89￿7.89￿-0.61-0.61￿ ￿ 0.79￿0.79￿1.28￿1.28￿ -0.49-0.49￿ ￿ 35.69￿35.69￿ 28.66￿28.66￿7.037.03￿ ￿3．适应性分析．适应性分析按产量分类的情况统计按产量分类的情况统计　　分析发现日产液低于10t/d的油井间抽前后对比产液量稳定，产油量下降幅度相对较小，能耗下降幅度小。

日产液高于10t/d的油井间抽前后对比产液量下降，产油量下降幅度相对较大，能耗下降幅度较大　　从以上分析可以得出，针对泵效小于25%、含水高于90%、日产液小于10t/d的低产、低效井，适合采取间抽制度进行间抽3．适应性分析．适应性分析按产量分类的情况统计按产量分类的情况统计4. 经济效益分析经济效益分析　　采取间抽试验平均单井日耗电量由下降到，即间抽后平均单井日节电按电费价格元/ 计算，平均单井日节电费用元　　统计07年检泵的井中，检前正常时未采取间抽措施的井检泵周期为756天；而采取间抽措施的井检泵周期为1532天，延长了776天，一年内少检泵次作业成本按万元计算，就是一年内节约了作业成本万元检泵一次按影响5天计算，由于采取间抽的井都为日产油较低的井，日产油按1t计算，共影响油5t，1吨油按照1600元计算，折合万元，加上节约的作业成本共计万元，平均每天节约作业成本元加上节约的电费共计为元实施间抽措施后，抽油机井相应降低的保养维护费用暂不计算）　　按照试验统计结果，间抽试验平均单井日降油，则每日损失480元，扣除节约的费用，实际损失的价值为元由于目前油价较高，单从成本上看实施间抽措施会没有收益原油价值及节约成本收益表原油价值及节约成本收益表原油价格平均单井日降油（t）年节约作业成本(元)日节约作业成本(元)加上电价后节约成本(元)0.10.20.310001002003002300063.01￿126.00￿12001202403602400065.75￿128.74￿14001402804202500068.49￿131.48￿16001603204802600071.23￿134.22￿18001803605402700073.97￿136.96￿20002004006002800076.71￿139.70￿22002204406602900079.45￿142.44￿24002404807203000082.19￿145.18￿26002605207803100084.93￿147.92￿28002805608403200087.67￿150.66￿　　从上表看出，只有当油价低于1200元/吨，且实施间抽措施后日降油时才会有经济效益4. 经济效益分析经济效益分析5. 结论与认识结论与认识对泵效小于25%、含水大于90%、日产液小于10吨井的井，采取适合本井的间抽方式，在日产液、日产油少降或不降的情况下，达到降低能耗的目的对于拟稳定期的产量计量方法尚需要完善，试验情况显示，间抽井开井后初期产液量较高，之后逐渐下降，当下降到一定程度后在稳定下来，稳定后的产液量与间抽前的产液量基本一致间抽开井后含水不稳定，初期含水略高，后期含水下降。

分析与关井后油套环形空间中油水重力分异有关系在结合试验的基础上进一步完善单井合理间抽制度的个性化方案，必要时采用自动间抽控制器来实现间抽5. 结论与认识结论与认识。