鉆桿及鉆鋌接頭扣型認(rèn)識(shí)

1、鉆桿接頭一.接頭分類及尺寸API鉆桿加厚端（鉆桿管體與鉆桿接頭的連接處）加厚形式的不同從而粗牙螺紋 端產(chǎn)生了內(nèi)平，貫眼，正規(guī)三種類型的接頭（后又出現(xiàn)了數(shù)字型） API鉆桿加厚端如下示：鋼級(jí) 內(nèi)加厚（IU） 外加厚（EU）內(nèi)外加厚（IEU）D,EII .IIIiI1.IiiI1.I111.I丨丨iI1 .II.I1IiI1 .II . I丨iX, G, SII.I1IiI1.IiiI1 .II.I1IiI1 .II . I丨丨iI1.II.I1IiI1.II.I丨丨 API :1.內(nèi)平接頭（IF）主要用于EU,IEU鉆桿,鉆桿加厚處內(nèi)徑=接頭內(nèi)徑=管體內(nèi)徑 強(qiáng)度低扣型n公扣小端公扣大端母扣母扣內(nèi)

2、徑211(NC26 2 3/8")607321075211(NC31 2 7/8")718621088| 311(NC38 3 1/2")1851102 二：310104* 411(NC50 4 1/2")114133410135511(5 1/2")141163510164611(6 5/8")1686101912.貫眼接頭（FH）主要用于IU,IEU鉆桿，鉆桿加厚處內(nèi)徑=接頭內(nèi)徑 管體內(nèi)徑扣型公扣小端公扣大端母扣母扣內(nèi)徑221(2 7/8")7022095 1321(3 1/2")78102320103* 42

3、1(4A1 4 1/2"96122420124 "J* 521(5 1/2")127148520150 J621(6 5/8")1501726201743.正規(guī)接頭（REG）主要用于IU鉆桿,接頭內(nèi)徑 <加厚部分內(nèi)徑 <管體內(nèi)徑扣型公扣小端公扣大端母扣母扣內(nèi)徑231(2 3/8")486723068231(2 7/8")537623078331(3 1/2")匚658933091*431(4 1/2")91118430119531(5 1/2")110140530142*631(6 5/8&q

4、uot;)131152630154*731(7 5/8")匚145178730180831(8 5/8")168202830204注：鉆井液阻力,強(qiáng)度3>2>1 :接頭外徑3<2<1 NC : 4.數(shù)字型接頭新型糸列，逐漸取代API標(biāo)準(zhǔn)中全部IF和除5 1/2"FH的全部 FH 接頭,有幾種與舊API接頭可互換,主要有NC50-2 3/8"IF NC38-3 1/2"IF ,NC40-4"FH ,NC46-4"IF, NC50-4 1/2"IF.不同牙型型號(hào)有不同粗扣螺紋型號(hào)，其關(guān)系如下牙型

5、（螺紋代號(hào)）接頭牙數(shù)（個(gè)/25.4mm錐度V-0.038NC23-NC50 NC56-NC7741:6V-0.042 3/8",2 7/8",3 1/2" 4 1/2"REG;51:43 1/2",4 1/2"FH.V-0.038NC23-NC50NC56-NC7741:6V-0.042 3/8",2 7/8",3 1/2" 4 1/2"REG;51:43 1/2",4 1/2"FH.V-0.0551/2",7 5/8",8 5/8"REG41:

6、465/8"REG,51/2",65/8"FH41:6V-0.06523/8",27/8",3 1/2",4", 41/2"SH,WO;27/8",31/2" 5"EH;23/8",27/8",31/2" 4",41/2",51/2",65/8"IF 4",41/2",51/2",65/8"IF 4"FH.41:6H-903.51: 6SLH-9031:9.6V-0.

7、076Pac OH41:8數(shù)字接頭螺紋尺寸 (mm)1 1 11螺紋代號(hào)丨牙型代號(hào)丨公扣根部11D |公扣小端 dII1|母扣外端內(nèi)徑I11T"I NC23 |IV-0.038R|65II| 52|67II NC26 |73| 60|75II NC31 |86| 71|88II NC35 |95| 79|97II NC38 |102| 85|104II NC40 |109| 90|110II NC44 |118| 99|119II NC46 |123| 104|125II NC50 |133| 114|135II NC56 |149| 118|151II NC61 |164| 129

8、|165II NC70 |186| 148|187II NC77 |1I|1203| 162II|205I11II 23/8"REG|IV - 0.04 |67II| 481|68II 27/8"REG|76|53|78II 31/2"REG|89| 65|91II 41/2"REG|118| 91|119II 51/2"REG|V - 0.05 |140| 110|142II 65/8"REG|152| 131|154II 75/8"REG|178| 145|180II 85/8"REG|1I|I202| 168

9、II|204I11II 3 1/2"FH |IV - 0.04 |102II| 781|103II 4" FH|V- 0.065 |109| 90|110II 4 1/2"FH |V - 0.04 |121| 96|124II 5 1/2"FH |V - 0.05 |148| 127|150II 6 5/8"FH |1IV - 0.05 |I172| 150II|174I11II 2 3/8"IF |IV- 0.065 |73II| 60|75II 2 7/8"IF |86| 71|88II 3 1/2"IF |1

10、02| 85|104II 4" IF |123| 104|104II 4 1/2"IF |133| 114|135II 5 1/2"IF |1 1|1163| 1411 1|164I1. 常用鉆具扣型及內(nèi)1外徑尺寸 (in/mm)111丨內(nèi)徑(mm) |1I1扣型119"( 229)1I| 76 |1731X7308" (203)| 76 |631X6307"(178)| 76 |411X4106 1/2"(164)| 57.15 |411X4106 1/4"(159)| 71.44|4A1X4A01|(421X4

11、20)5 3/4"(146)| 57.15 |421X4205"(127)| 108.6 |411X4103 1/2"(89)| 38.1 |311X3102 7/8"(73)|211X2102 3/8"(60)1|1 1211X2101常用打撈工具扣型6 1/2"隨鉆 411X410 200 打撈杯 4A0(上)X4A1(下) 200牙輪打撈器410(4 1/2"IF200強(qiáng)磁打撈器410(4 1/2"IF200高效打撈杯磨鞋410(4 1/2"IF)三. 鉆頭扣型1鉆頭直徑 mm in11 1丨接頭絲

12、扣尺寸11in1Ii鉆頭直徑i|接頭絲扣尺寸I|in1| mminII195.2 3 3/4"1I| 2 3/8"REG|215.98 1/2"1| 4 1/2"REG98.4 3 7/8"11(231)|222.218 3/4"II|11104.8 4 1/8"|1|241.39 1/2"1 1| 6 5/8"REG107.9 4 1/4"1|1I| 244.59 5/8"|(631)1111.1 4 3/8"1I| 2 7/8"REG|250.89 7/8&qu

13、ot;|117.5 4 5/8"|(231)| 254.010.0"|120.6 4 3/4"1|II| 269.910 5/8"|1130.2 5 1/8"|3 1/2"REG| 279.411"|142.9 5 5/8"|(331)|295.311 5/8"|149.2 5 7/8"|311.112 1/4"|152.4 6 "| 346.013 5/8"|155.6 6 1/8"1|342.9113 1/2"II|11158.7 6 1/4

14、"|1| 374.614 3/4"1 1| 7 5/8"REG165.1 6 1/2"|393.715 1/2"|(731)171.4 6 3/4"| 445.517 1/2"|174.6 6 7/8"1|II| 508.020"|1190.5 7 1/2"| 4 1/2"REG| 609.624"|200.0 7 7/8"|(431)| 660.426"|212.7 8 3/8"1|ii|i|1四. 接頭術(shù)語(yǔ)縮語(yǔ)REG正規(guī)扣FH貫眼扣IF內(nèi)平扣

15、NC數(shù)字型OH開眼型SH小眼型WO 輕便型（加大內(nèi)平 ）MO 修正加大貫眼型DSL 雙流型SL-H-90 小井眼術(shù)語(yǔ)休斯 90 度螺紋H-90 休斯 90 度螺紋 EH,XH 加大貫眼型PAC V-0.076 螺紋IU 內(nèi)加厚 EU 外加厚 IEU 內(nèi)外加厚常用鉆具轉(zhuǎn)換接頭螺紋參數(shù)及扣型對(duì)照表序號(hào)代號(hào)螺紋類型螺紋規(guī)范公螺紋母螺紋牙/寸錐度大徑DS小徑DF螺紋長(zhǎng)L鏜孔QF螺紋長(zhǎng)L1NC2341 : 665.1052.476.266.792.122A10NC26 (23/8 "IF)41 : 673.0560.3576.274.692.13210NC31 (27/8 " IF)

16、41 : 686.1371.3288.987.7104.84NC3541 : 694.9779.0995.296.8111.15310NC38 (31/2 " IF)41 : 6102.0185.07101.6103.6117.564A20NC40 (4 " FH)41 : 6108.7189.66114.3110.3130.27NC4441 : 6117.4898.43114.3119.1130.284A10NC46 (4" IF)41 : 6122.78103.73114.3124.6130.29410NC50 (41/2 " IF)41 : 613

17、3.35114.3114.3134.9130.210NC5641 : 4149.25117.5127150.8142.911NC6141 : 4163.53126.6139.7165.1155.612NC7041 : 4185.75147.65152.4187.3168.313NC7741 : 4203.20161.85165.1204.8181142A3023/8 " REG51:466.6847.6376.269.392.11523027/8 " RED51:476.2053.9888.977.8104.81633031/2 " RED51:488.9065.

18、0895.290.5111.11743041/2 " RED51:4117.4890.48107.9119.1123.81853051/2 " RED41:4140.21110.06120.6141.7136.51963065/8 " RED41:6152.20131.04127154142.92073075/8 " RED41:4177.80144.48133.3180.2149.22183085/8 " RED41:4201.98167.84136.5204.4152.42232031/2 " FH51:4101.4577.629

19、5.2102.8111.12342041/2 " FH51:4121.7296.32101.6123.8117.52452051/2 " FH41:6147.96126.79127150142.92562065/8 " FH41:6171.53150.36127173.8142.92651/2 " IF41:6162.48141.32127163.9142.9印記槽應(yīng)該有寫，5 '鉆桿扣411*410, 6-1/4和6-1/2扣為4A1*4A0,7'扣411; 8 '扣631 ,量量尺寸記下來(lái)類型扣型母孔類型扣型母扣直徑中國(guó)鉆井網(wǎng)

20、論壇6 R* t' b: q#17 1/2" 鉆頭7311805"鉆桿410X 4113 Z/ s' & N( K2 _0 c " z' Z12 1/4" 鉆頭6311543 1/2"鉆桿310X 3111039 5/8" 鉆頭6311542 7/8II鉆桿210X 21186?"8 1/2" 鉆頭431119特種接頭410X 5311426 " 鉆頭33191410X 5211504 1/2" 鉆頭231784A10X 431鉆井石油 裝備機(jī)械 設(shè) 備鉆井機(jī) 海洋鉆井 鉆井液完井 固井 n! a+W6 Z, |# q# n' u8" 鉆鋌630X631410X 4317" 鉆鋌410X 411135630X 4316