抽油机载荷、泵理论排量计算(2006.2.15).xls

抽油机载荷、泵理论排量计算(2006.2.15).xls

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已知抽油机型号泵挂深度L（m）泵径D（mm）冲程s（m）冲数n（次/分）油管21/2抽油杆3/4903.8561.8862380空气中每米3/4抽油杆重qr（Kg/m）空气中每米3/4抽油杆重qr（牛）液体密度混（公斤/米3）抽油杆材料钢的密度s（公斤/米3）油井含水nw（%）计算Wrf（牛）计算Kr（牛/m）2.322.569347850341796664959计算油管截面积At（m2）计算Kt（牛/m）计算No（次/分）计算No（次/分）计算活塞截面积Ap（m2）计算活塞载荷F0（N）计算无因次变量F0/SKr计算无因次变量N/N00.00116626570084.6484.640.00246176203860.174349890.0945计算无因次变量Wrf/SKr查表SP/S计算活塞冲程Sp（m）计算泵排量PD（m3/d）查表F1/SKr计算最大载荷PPRL（牛）查表F2/SKr计算最小载荷MPRL（牛）查表2T/S2Kr0.15370.851.45341.240.23448590.03144580.158查表Ta计算最大扭距PT（牛.米）查表F3/SKr计算光杆功率PT（Kw）计算有效平衡值CEB（牛顿）0.91151300.1584.4329849已知抽油机型号泵挂深度L（m）2180计算抽油杆上冲程在悬点载荷Wr（牛）=qr*L*g油水混合液密度m（公斤/米3）=nw*w+（1-nw）*0抽油杆下冲程在悬点载荷Wr（牛）=qr*L*b*g活塞上的液柱载荷Wl（牛）=（fb-fr）*L*m1*g上冲程中抽油杆引起的悬点最大惯性载荷Iru（牛）=Wr*s*n*n*（1+r/L1）/1790下冲程中抽油杆引起的悬点最大惯性载荷Id（牛）=Wr*s*n*n*（1-r/L1）/1790上上冲冲程程悬悬点点最最大大载载荷荷Pmax（牛牛）=Wr+Wl+Iru下下冲冲程程悬悬点点最最小小载载荷荷Pmax（牛牛）=Wr-Id液液柱柱载载荷荷Wl（牛牛）=fb*L*m1*g公式1上冲程悬点最大载荷P1max（牛）=（Wr+w1）*（1+s*n/137）公式2上冲程悬点最大载荷P2max（牛）=（Wr+w1）*（1+s*n*n/1790）公式3上冲程悬点最大载荷P3max（牛）=w1+Wr*（b+s*n*n/1790）*（1+r/l）公式4上冲程悬点最大载荷P4max（牛）=w1+Wr*（1+s*n*n/1790）公式5上冲程悬点最大载荷P5max（牛）=（w1+Wr）*（1+s*n*n/1790）泵径D（mm）冲程s（m）冲数n（次/分）油管21/2抽油杆3/4抽油杆7/8抽油杆144363809009007249693563864246815386336310256210256260502605024923249232137721121727101551103040空气中每米3/4抽油杆重qr（牛）空气中每米7/8抽油杆重qr（牛）空气中每米1抽油杆重qr（牛）2.33.074.17原油密度o（公斤/米3）抽油杆材料钢的密度s（公斤/米3）油井含水nw（%）901785034已知抽油机型号泵挂深度L（m）泵径D（mm）冲程s（m）冲数n（次/分）油管21/2抽油杆3/4空气中每米抽油杆重qr（牛）原油密度o（公斤/米3）CYJ5-1812型903.8561.882.3901计算抽油杆上冲程在悬点载荷Wr（牛）=qr*L*g20392油水混合液密度m（公斤/米3）=nw*w+（1-nw）*0935抽油杆下冲程在悬点载荷Wr（牛）=qr*L*b*g17964活塞上的液柱载荷Wl（牛）=（fb-fr）*L*m1*g18039上冲程中抽油杆引起的悬点最大惯性载荷Iru（牛）=Wr*s*n*n*（1+r/L1）/17901616下冲程中抽油杆引起的悬点最大惯性载荷Id（牛）=Wr*s*n*n*（1-r/L1）/17901009上上冲冲程程悬悬点点最最大大载载荷荷Pmax（牛牛）=Wr+Wl+Iru4004740047下下冲冲程程悬悬点点最最小小载载荷荷Pmax（牛牛）=Wr-Id1695616956液液柱柱载载荷荷Wl（牛牛）=fb*L*m1*g2041120411公式1上冲程悬点最大载荷P1max（牛）=（Wr+w1）*（1+s*n/137）45092公式2上冲程悬点最大载荷P2max（牛）=（Wr+w1）*（1+s*n*n/1790）40803公式3上冲程悬点最大载荷P3max（牛）=w1+Wr*（b+s*n*n/1790）*（1+r/l）公式4上冲程悬点最大载荷P4max（牛）=w1+Wr*（1+s*n*n/1790）39744公式5上冲程悬点最大载荷P5max（牛）=（w1+Wr）*（1+s*n*n/1790）40904抽油杆材料钢的密度s（公斤/米3）油井含水nw（%）785034公称直径英寸直径d毫米截面积fr厘米2每米抽油杆质量qr牛5/81621.643/4192.852.37/8223.83.071254.914.17不不同同泵泵径径的的截截面面积积和和系系数数泵径D，毫米32384456708395活塞截面积fb厘米28.0411.3415.2024.6238.4754.0870.85系数K冲次1.161.161.631.632.192.193.543.545.545.547.797.7910.2010.20冲程冲次2.713.134.405.919.0514.9621.0327.542.726.268.8011.8318.0929.9242.0755.082.739.4013.2017.7427.1444.8763.1082.622.7412.5317.6023.6536.1859.8384.13110.162.7515.6622.0129.5745.2374.79105.17137.702.7618.7926.4135.4854.2789.75126.20165.242.7721.9230.8141.3963.32104.71147.23192.782.7825.0635.2147.3072.36119.66168.26220.32313.484.896.5710.0516.6223.3730.60326.969.7813.1420.1033.2446.7461.203310.4414.6719.7130.1549.8670.1191.803413.9219.5626.2840.2066.4893.48122.403517.4024.4532.8550.2583.10116.85153.003620.8829.3439.4260.3099.72140.22183.603724.3634.2345.9970.35116.34163.59214.203827.8439.1252.5680.40132.96186.96244.804.214.876.859.2014.0723.2732.7242.844.229.7413.6918.4028.1446.5465.4485.684.2314.6220.5427.5942.2169.8098.15128.524.2419.4927.3836.7956.2893.07130.87171.364.2524.3634.2345.9970.35116.34163.59214.204.2629.2341.0855.1984.42139.61196.31257.044.2734.1047.9264.3998.49162.88229.03299.884.2838.9854.7773.58112.56186.14261.74342.72