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抽油杆是有杆抽油设备的重要部件。抽油杆通过接箍连接成抽油杆柱,上经光杆连接抽油机或螺杆笨泵电机,下接抽油泵的柱塞或螺杆泵

抽油杆说明

抽油杆是有杆抽油设备的重要部件。抽油杆通过接箍连接成抽油杆柱,上经光杆连接抽油机或螺杆笨泵电机,下接抽油泵的柱塞或螺杆泵,其作用是将地面抽油机驴头悬点的往复运动传递给井下抽油泵或是将螺杆泵电机的旋转扭力传递给井下螺杆泵。

抽油杆按机械性能分为:C级、K级、D级、KD级、HL级、HY级抽油杆

抽油杆规格型号表

抽油杆标称值Φ16(5/8")Φ19(3/4")Φ22(7/8")Φ25(1")Φ29(11/8")
杆体直径15.88+0.18-0.3619.05+0.20-0.4122.23+0.20-0.4125.40+0.23-0.4628.58+0.25-0.51
(0.625+0.007-0.014)(0.750+0.008-0.016)(0.875+0.008-0.016)(1.000+0.009-0.018)(1.125+0.010-0.020)
外螺纹台肩31.8+0.13-0.2538.1+0.13-0.2541.3+0.13-0.2550.8+0.13-0.2557.2+0.13-0.25
外径(1.250+0.005-0.010)(1.500+0.005-0.010)(1.625+0.005-0.010)(2.000+0.005-0.010)(2.250+0.005-0.010)
扳手方宽度22.2(0.875)25.4(1.000)25.4(1.000)33.3(1.313)38.1(1.500)
±0.8(±0.031)
扳手方长度31.8(1.250)31.8(1.250)31.8(1.250)38.1(1.500)41.3(1.625)
API抽油杆长度       ±50(±2.0)508(20)508(20)508(20)508(20)508(20)
1118(44)1118(44)1118(44)1118(44)1118(44)
1727(68)1727(68)1727(68)1727(68)1727(68)
2337(92)2337(92)2337(92)2337(92)2337(92)
2946(116)2946(116)2946(116)2946(116)2946(116)
7518(296)7518(296)7518(296)7518(296)7518(296)
9042(356)9042(356)9042(356)9042(356)9042(356)
国内抽油杆900,1400,1900,900,1400,1900,900,1400,1900,900,1400,1900,900,1400,1900,
长度±502400,2900,3400,2400,2900,3400,2400,2900,3400,2400,2900,3400,2400,2900,3400,

79,009,90079,009,90079,009,90079,009,90079,009,900
镦粗凸缘直径31.1+0.13-3.1735.7+0.13-3.1738.1+0.13-3.1748.4+0.13-3.1755.6+0.13-3.17
(1.219+0.005-0.125)(1.406+0.005-0.125)(1.500+0.005-0.125)(1.906+0.005-0.125)(2.188+0.005-0.125)
AR±3.2(±0.125)47.6(1.875)57.1(2.250)66.7(2.625)76.2(3.000)85.7(3.375)
CR+1.59-0.403.2(0.125)3.2(0.125)4.8(0.188)4.8(0.188)4.8(0.188)
(+0.063-0.016)


钢制抽油杆力学性能

钢制抽油杆力学性能
等级  最小屈服强度(0.2%残余变形)最小抗拉强度最大抗拉强度伸长率200mm%断面收缩率Z%表面硬度HRC心部硬度HB疲劳寿命

psiMPapsiMPapsiMPa≥13≥50

≥1.0X106
K6000041490000621115000793≥13≥50


C6000041490000621115000793≥13≥50


 D 85000586115000793140000965≥13≥50


KD85000590115000795140000965≥13≥50


HL1150007951400009651733391195≥13≥45


HY//1400009651733391195//≥42≥224
EHL//18850013002175001500//≥50≥320≥2.5X106
                         注:在下屈服强度无法测出时,应考虑加工成标准试样安装引伸计进行测量
a 一般采用优质碳素钢制造,经有效热处理可达到本表规定的力学性能。
                       b 一般采用个钼钢(但不限于此类钢)制造,经有效热处理可达到本表规定的力学性能。


钢制抽油杆常用化学成分表


常用抽油杆化学成分
AISICSiMnPSCrNiMoVCuAl
15410.36-0.450.15-0.351.35-1.65≤0.04≤0.04≤0.3≤0.35≤0.060.04-0.09≤0.35≤0.035
41200.17-0.240.17-0.370.4-0.7≤0.025≤0.0250.8-1.1≤0.30.15-0.25/≤0.2/
41300.26-0.330.17-0.370.4-0.7≤0.025≤0.0250.8-1.1≤0.30.15-0.25/≤0.2/
41380.37-0.450.17-0.370.9-1.2≤0.025≤0.0250.9-1.2≤0.30.2-0.3/≤0.2/
4138M0.37-0.450.17-0.370.9-1.2≤0.025≤0.0250.9-1.2≤0.30.2-0.30.04-0.09≤0.2/
41400.38-0.450.17-0.370.5-0.8≤0.025≤0.0250.9-1.2≤0.30.15-0.250.04-0.09≤0.2/
41420.38-0.450.17-0.370.5-0.8≤0.025≤0.0250.9-1.2≤0.30.15-0.250.04-0.09≤0.2/
31300.22-0.290.15-0.350.71-1.0≤0.025≤0.0250.42-0.650.72-1.00.01-0.06/≤0.2/
43200.18-0.420.15-0.350.8-1.0≤0.025≤0.0250.7-0.91.15-1.50.2-0.30.04-0.09≤0.35≤0.035
43300.3-0.350.15-0.350.8-1.1≤0.025≤0.0250.8-1.11.65-2.00.2-0.30.05-0.10≤0.2/
46210.18-0.230.17-0.370.7-0.9≤0.025≤0.025≤0.351.65-2.00.2-0.3/≤0.2/
47200.19-0.230.15-0.350.85-1.05≤0.025≤0.0250.8-1.050.9-1.20.22-0.300.02-0.050.40-0.60/


抽油杆


抽油杆重量表


抽油杆重量表
规格5/8"3/4"7/8"1"1-1/8"1-1/4"1-1/2"
kg/m1.682.43.24.25.36.49.5


抽油杆

抽油杆




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