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。3~88。9142.9~152。4104。7-120.6158。7~171。4120。6~127。0190.5~200。0127.0~158.7212。7~222.2158.7~177.8241。3~250。8177。8~203。2269.9177.8-228。6311。1228。6~254。0374。6228.6~254.0444。5228。6~279.4508。0~660。4254。0-279.4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2500±100h1500±100h—級(jí)鉆桿1500±100h900±100h二級(jí)鉆桿900±100h600±100h三級(jí)鉆桿600±100h400±100h鉆鋌、加重鉆桿、轉(zhuǎn)換接頭、穩(wěn)定器215mm以上井眼600±50h500±25h152mm及以下井眼400±50h300±25h方鉆桿1000±100h800±100h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mminmm'亠ilnmmm'行亠NC23-31(試行)79.4叫31。11/49.1576.232.57:1NC26-35(23/if)88.93i/238。11/29。1582.9317/642。42：1NC31—41(2”IF)104。叫50.829。15100.4361/642.43:1NC35-47120.743/450。29。15114.7433/642。58:1NC38—50(31/2IF)127.0557。21/49.15121.0449/642.38:1

NC4460152.4657.221/4Q 1CHt?Q144.5511/162.49:1NC44-60152。671.421%9。15^或丿。c4u c144.5511/162.84：1NC44-62158。61/457.221/49?15 9oC1C C\AC149.2叫2.91:1NC46-62(4IF)158.861/471.4213/169015^或9?45n1c Q1<150。02.63:1NC46—65(4IF)165。61/257.2羽9o15 9?45CVL—R-C154o8叫2.76:1NC46-65(4IF)165.161厶71.42叫69.15或9oc4u c154.8叫3.05:1NC46-67(4IF)171.463/457。21/49?15 9oc 1czztrc159。56%3o18:1NC50-67(41/IF)171。63/471.42叫6丿。15^或丿。QICHt?Q159.569/p3.37：1' OMLl/gIF丿NC50—70(4〃IF)177.8757.221/49?15^或9。qicntr0164。7631/642.54：1i弋JJO *oiri/gIF丿NC50-70(41/IF)177。771.42叫6丿.15^或丿。Q1C Q1<164.7631/642o73:1NC50-72(4/if)184。71/471.4213/169o15 9.45c 1r—R-c169。5643/643o12:1IMJJU"WLl/glF丿NC56-77196.8矽471。2叫69o15或9oQ 1CTitrQ185。37%2.70：1NC56-80203.2871。21%9o15^或9。QICHtvQ4￡190o1731/643o02：1r?匚廣209。81/471。21%9.15 9.45Q1CTitrok195。7叫2o93:165/REG8NC61-90228o6971。2叫69015 9.45n1czztrc\ac212.7叫3.17：17~/RFC241.391/?76.239.15 9.45Q1C^7QAC223o8813/162.81：1”5KREG8NC70-97247.693/476。39015 9.45n1cntr0232o695/322o57:1NC70-100254.01076.23丿。15^或丿。Q1CTitrQK237o391%2.81:18-/D匚c279o41176.239015 9.45c1uuH1c/iu266.7101/22.84：11.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/JF）僅適用于C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88o9mm(31/.")104.8mm(4"a")120.6mm(4叭")158.7mm(61/")165.1mm(61/2")177.8mm(7")203.2mm(8")228.6mm(9")279o4mm(11")公稱內(nèi)徑238o150.8(57.15)4丿50.8471.471.471o471.4(76.2)71o4(76.2)76o2接頭螺紋類型NC26(2NC31(2NC35NC38NC46(4NC50(41/JF)NC50(41/JF)65/8REG75/8REG85/8REG倒角圓直徑82.9100.4114.7150k2J164.7k2164.7195o7223.8268新鉆鋌螺紋臺(tái)肩寬度外螺紋5o07o19o913o615.715.721o723.025內(nèi)螺紋4.26.48o912o714.914.920.821.825磨損后螺紋臺(tái)肩寬度外螺紋4.66.5912o515.315o318o420o625內(nèi)螺紋468.211o814o714.717.719o625外傷凹痕橫向（深X長(zhǎng)）4x285x335x386x506x526.5x567x667x768x80

允許量橫向（深度）455666。5778均勻磨損后外徑85。1100。1113。5148.4148.4164.6190。3220.3259偏磨限定尺寸3。845。26。6789。911.813上緊扭矩kN?m6。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inmm類型mmmmKN。mKNKN。mG105603NC2685744.511.85861024.7G10573NC31(5Jd/104 850.821 90OU1oU~1335 278 9S135叫73NC31111413厶丄u 丿u28.16丄JJJu厶/1716 79118G105叫88.9NC381271丄uJ61 935 17丄/丄UU /-71691 73丄丄u 015.1S13531/288.9NC38127U10丿54 0jjui/45 212175.1118.0G10541/2114.3NC46158 8?J1uu76 21 u厶丄58.502059.0026.9S135114.3NC46158.857.275 202648.0030.4G1055127.0NC50168.382.5/Uo 厶U78.032464 3934 9S1355127.0NC50168 3699100.32Q1VJ1UJ丿3168 51430G10551/2139.751/2FH丄OUUJ184 288.996.12J丄OUUJ丄2723 051Juu492S135512120251/2FH￡UI02L190.576.2ji厶D0 UQy1qq<o1丄>u1 丄厶jouu 丄ov/u u/o丄一級(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。mG10523460.3NC26833.24459 10671G10573NC311005211UJ50.87u 丄u16.8010371u18 3S13573NC31103VO J6.741.321。6133400j10.4

G10531/2889NC381186 461.92720132213.4S13531/2oouy889NC38122UU18.354—1u—VJ35.10170017 1G10541/2OO0丿114 3NC46143 38 376.245 8016201/0122 7S13541/2丄丄1UJ114 3NC46146.5OUJ9 16991u7U58 902083厶厶u i29.2G1055丄丄1C)J127NC50154.5yu丄8.7\J^uy82 5?J00丿u61.31941297S1355127NC50154 51156997882995385G10551/2139.751/2FHA 1UJ170.5丄丄UJ9UuJ37.5S13551/2139.751/2FH17611。9oouy76o297。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.mG10560o3NC2682.52.844o57o85784o1G105叫73NC31984.450.814o48947o2S135叫73NC31101.56.041o318o511489.3G10531/288.9NC38116o55.661o923.5114812S13531/288.9NC38119o57.15430o2146014o9G10541/?114o3NC46140.97.176o239.7140619.94S13541/2114.3NC46143o58o369.951o0180825o63G1055127NC501527.582.553o1168426.1S1355127NC501529o969.968o3216533.4G10551/2139o751/2FH166.715.188o965.6186531.7S135叫139.751/2FH17310o376.284.4239842三級(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.m

G10560。3NC2682.52.844。56。2511o04.1G105叫73NC31984。450.811。38790.37o2S135叫73NC31101。56。041。314.631016.19o3G10531厶88。9NC38116.55。661.918。61010.312S13531/288。9NC38119。57。15423。851298o914o9G