钻具常用参数技术研究

1、钻铤、钻杆上扣扭矩表钻头直径与对应钻铤尺寸推荐表钻头外径 mm钻铤外径 mm120.679.388.9142.9152.4104.7120.6158.7171.4120.6127.0190.5200.0127.0158.7212.7222.2158.7177.8241.3250.8177.8203.2269.9177.8228.6311.1228.6254.0374.6228.6254.0444.5228.6279.4508.0660.4254.0279.4现场钻具推荐探伤周期表（注明：纯钻时间）名称常规井探伤周期水平井、大位移斜井、探井等复杂井探伤周期钻杆新钻杆2500100h1500100

2、h一级钻杆1500100h900100h二级钻杆900100h600100h三级钻杆600100h400100h钻铤、加重钻杆、转换接头、稳定器215mm以上井眼60050h50025h152mm及以下井眼40050h30025h方钻杆1000100h800100h钻铤的尺寸规格钻铤螺纹尺寸外径内径长度台肩倒角直径参考弯曲强度比mminmmiinmmminnc23-31（试行）79.431/831.811/49.1576.232.57:1nc26-35（23/8if）88.931/238.111/29.1582.9317/642.42:1nc31-41（27/8if）104.841/850.8

3、29.15100.4361/642.43:1nc35-47120.743/450.829.15114.7433/642.58:1nc38-50（31/2if）127.0557.221/49.15121.0449/642.38:1nc44-60152.4657.221/49.15或9.45144.5511/162.49:1nc44-60152.4671.4213/169.15或9.45144.5511/162.84:1nc44-62158.861/457.221/49.15或9.45149.257/82.91:1nc46-62（4if）158.861/471.4213/169.15或9.4515

4、0.0529/322.63:1nc46-65（4if）165.161/257.221/49.15或9.45154.863/322.76:1nc46-65（4if）165.161/271.4213/169.15或9.45154.863/323.05:1nc46-67（4if）171.463/457.221/49.15或9.45159.569/323.18:1nc50-67（41/2if）171.463/471.4213/169.15或9.45159.569/323.37:1nc50-70（41/2if）177.8757.221/49.15或9.45164.7631/642.54:1nc50-70

5、（41/2if）177.8771.4213/169.15或9.45164.7631/642.73:1nc50-72（41/2if）184.271/471.4213/169.15或9.45169.5643/643.12:1nc56-77196.873/471.4213/169.15或9.45185.3719/642.70:1nc56-80203.2871.4213/169.15或9.45190.1731/643.02:165/8reg209.681/471.4213/169.15或9.45195.7745/642.93:1nc61-90228.6971.4213/169.15或9.45212.7

6、83/83.17:175/8reg241.391/276.239.15或9.45223.8813/162.81:1nc70-97247.693/476.239.15或9.45232.695/322.57:1nc70-100254.01076.239.15或9.45237.3911/322.81:185/8reg279.41176.239.15或9.45266.7101/22.84:11. 钻铤螺纹类型：ncxx-数字型，if-内平型，reg-正规型，括号内螺纹类型可互换。2. 弯曲强度比：内螺纹危险断面抗弯截面模数与外螺纹危险断面抗弯截面模数之比。3. nc50-67（41/2if）仅适用于c

7、型钻铤（无磁钻铤）。钻铤尺寸参数及工作参数公称尺寸88.9mm (3 1/2)104.8 mm (4 1/8)120.6mm (4 3/4)158.7mm (6 1/4)165.1mm(6 1/2)177.8mm (7)203.2mm (8)228.6mm (9)279.4mm (11)公称内径38.150.8(57.15)50.871.471.471.471.4(76.2)71.4(76.2)76.2接头螺纹类型nc26(2 3/8if)nc31(2 7/8if)nc35nc38nc46(4 if)nc50(4 1/2if)nc50(4 1/2if)6 5/8reg7 5/8reg8 5/8

8、reg倒角圆直径82.9100.4114.7150164.7164.7195.7223.8268新钻铤螺纹台肩宽度外螺纹5.07.19.913.615.715.721.723.025内螺纹4.26.48.912.714.914.920.821.825磨损后螺纹台肩宽度外螺纹4.66.5912.515.315.318.420.625内螺纹468.211.814.714.717.719.625外伤凹痕允许量横向（深长）4285335386506526.556766776880横向（深度）455666.5778均匀磨损后外径85.1100.1113.5148.4148.4164.6190.3220.

9、3259偏磨限定尺寸3.845.26.6789.911.813上紧扭矩knm6.39.214.724.443.443.472119.5142.5钻杆接头的分级新钻杆数据钢级公称外径接头类型外径水眼抗扭屈服强度管体最小抗拉力上紧扭矩inmmmmmmkn.mknkn.mg10523/860.3nc2685.744.511.85861.024.7g10527/873nc31104.850.821.901335.278.9s13527/873nc3111141.328.161716.7911.8g10531/288.9nc3812761.935.171691.7315.1s13531/288.9nc3

10、812754.045.212175.1118.0g10541/2114.3nc46158.876.258.502059.0026.9s13541/2114.3nc46158.857.275.202648.0030.4g1055127.0nc50168.382.578.032464.3934.9s1355127.0nc50168.369.9100.323168.5143.0g10551/2139.751/2fh184.288.996.122723.0549.2s13551/2139.751/2fh190.576.2123.583501.0859.1一级钻杆数据钢级公称外径接头类型最小外径最小内螺

11、纹台肩宽水眼抗扭屈服强度管体最小抗拉力上紧扭矩inmmmmmmmmkn.mknkn.mg10523/860.3nc26833.244.59.106714.4g10527/873nc311005.250.816.8010378.3s13527/873nc311036.741.321.6133410.4g10531/288.9nc381186.461.927.20132213.4s13531/288.9nc381228.35435.10170017.1g10541/2114.3nc46143.38.376.245.80162022.7s13541/2114.3nc46146.59.169.958.

12、90208329.2g1055127nc50154.58.782.561.3194129.7s1355127nc50154.511.569.978.8299538.5g10551/2139.751/2fh170.59.188.975.7214837.5s13551/2139.751/2fh17611.976.297.3276248.1表28（续） 钻杆接头的分级二级钻杆数据钢级公称外径接头类型外径最小内螺纹台肩宽水眼抗扭屈服强度管体最小抗拉力上紧扭矩inmmmmmmmmkn.mknkn.mg10523/860.3nc2682.52.844.57.85784.1g10527/873nc31984

13、.450.814.48947.2s13527/873nc31101.56.041.318.511489.3g10531/288.9nc38116.55.661.923.5114812s13531/288.9nc38119.57.15430.2146014.9g10541/2114.3nc46140.97.176.239.7140619.94s13541/2114.3nc46143.58.369.951.0180825.63g1055127nc501527.582.553.1168426.1s1355127nc501529.969.968.3216533.4g10551/2139.751/2fh

14、166.715.188.965.6186531.7s13551/2139.751/2fh17310.376.284.4239842三级钻杆数据 钢级公称外径接头类型外径最小内螺纹台肩宽水眼抗扭屈服强度管体最小抗拉力上紧扭矩inmmmmmmmmkn.mknkn.mg10523/860.3nc2682.52.844.56.2511.04.1g10527/873nc31984.450.811.38790.37.2s13527/873nc31101.56.041.314.631016.19.3g10531/288.9nc38116.55.661.918.61010.312s13531/288.9nc38119.57.15423.851298.914.9g10541/2114.3nc46140.97.176.231.5