1、鉆鋌、鉆桿上扣扭矩表鉆頭直徑與對(duì)應(yīng)鉆鋌尺寸推薦表鉆頭外徑 mm鉆鋌外徑 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現(xiàn)場(chǎng)鉆具推薦探傷周期表（注明：純鉆時(shí)間）名稱常規(guī)井探傷周期水平井、大位移斜井、探井等復(fù)雜井探傷周期鉆桿新鉆桿2500100h1500100

2、h一級(jí)鉆桿1500100h900100h二級(jí)鉆桿900100h600100h三級(jí)鉆桿600100h400100h鉆鋌、加重鉆桿、轉(zhuǎn)換接頭、穩(wěn)定器215mm以上井眼60050h50025h152mm及以下井眼40050h30025h方鉆桿1000100h800100h鉆鋌的尺寸規(guī)格鉆鋌螺紋尺寸外徑內(nèi)徑長(zhǎng)度臺(tái)肩倒角直徑參考彎曲強(qiáng)度比mminmmiInmmminNC23-31（試行）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. 鉆鋌螺紋類型：NCXX-數(shù)字型，IF-內(nèi)平型，REG-正規(guī)型，括號(hào)內(nèi)螺紋類型可互換。2. 彎曲強(qiáng)度比：內(nèi)螺紋危險(xiǎn)斷面抗彎截面模數(shù)與外螺紋危險(xiǎn)斷面抗彎截面模數(shù)之比。3. NC50-67（41/2IF）僅適用于C

7、型鉆鋌（無(wú)磁鉆鋌）。鉆鋌尺寸參數(shù)及工作參數(shù)公稱尺寸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)公稱內(nèi)徑38.150.8(57.15)50.871.471.471.471.4(76.2)71.4(76.2)76.2接頭螺紋類型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倒角圓直徑82.9100.4114.7150164.7164.7195.7223.8268新鉆鋌螺紋臺(tái)肩寬度外螺紋5.07.19.913.615.715.721.723.025內(nèi)螺紋4.26.48.912.714.914.920.821.825磨損后螺紋臺(tái)肩寬度外螺紋4.66.5912.515.315.318.420.625內(nèi)螺紋468.211.814.714.717.719.625外傷凹痕允許量橫向（深長(zhǎng)）4285335386506526.556766776880橫向（深度）455666.5778均勻磨損后外徑85.1100.1113.5148.4148.4164.6190.3220.

9、3259偏磨限定尺寸3.845.26.6789.911.813上緊扭矩kNm6.39.214.724.443.443.472119.5142.5鉆桿接頭的分級(jí)新鉆桿數(shù)據(jù)鋼級(jí)公稱外徑接頭類型外徑水眼抗扭屈服強(qiáng)度管體最小抗拉力上緊扭矩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級(jí)鉆桿數(shù)據(jù)鋼級(jí)公稱外徑接頭類型最小外徑最小內(nèi)螺

11、紋臺(tái)肩寬水眼抗扭屈服強(qiáng)度管體最小抗拉力上緊扭矩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（續(xù)） 鉆桿接頭的分級(jí)二級(jí)鉆桿數(shù)據(jù)鋼級(jí)公稱外徑接頭類型外徑最小內(nèi)螺紋臺(tái)肩寬水眼抗扭屈服強(qiáng)度管體最小抗拉力上緊扭矩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級(jí)鉆桿數(shù)據(jù) 鋼級(jí)公稱外徑接頭類型外徑最小內(nèi)螺紋臺(tái)肩寬水眼抗扭屈服強(qiáng)度管體最小抗拉力上緊扭矩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.