钻杆及钻铤接头扣型认识

1、钻杆接头一.接头分类及尺寸API钻杆加厚端（钻杆管体与钻杆接头的连接处）加厚形式的不同从而粗牙螺纹 端产生了内平，贯眼，正规三种类型的接头（后又出现了数字型） API钻杆加厚端如下示：钢级 内加厚（IU） 外加厚（EU）内外加厚（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.内平接头（IF）主要用于EU,IEU钻杆,钻杆加厚处内径=接头内径=管体内径 强度低扣型n公扣小端公扣大端母扣母扣内

2、径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.贯眼接头（FH）主要用于IU,IEU钻杆，钻杆加厚处内径=接头内径 管体内径扣型公扣小端公扣大端母扣母扣内径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.正规接头（REG）主要用于IU钻杆,接头内径 <加厚部分内径 <管体内径扣型公扣小端公扣大端母扣母扣内径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：钻井液阻力,强度3>2>1 :接头外径3<2<1 NC : 4.数字型接头新型糸列，逐渐取代API标准中全部IF和除5 1/2"FH的全部 FH 接头,有几种与旧API接头可互换,主要有NC50-2 3/8"IF NC38-3 1/2"IF ,NC40-4"FH ,NC46-4"IF, NC50-4 1/2"IF.不同牙型型号有不同粗扣螺纹型号，其关系如下牙型

5、（螺纹代号）接头牙数（个/25.4mm锥度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数字接头螺纹尺寸 (mm)1 1 11螺纹代号丨牙型代号丨公扣根部11D |公扣小端 dII1|母扣外端内径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. 常用钻具扣型及内1外径尺寸 (in/mm)111丨内径(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常用打捞工具扣型6 1/2"随钻 411X410 200 打捞杯 4A0(上)X4A1(下) 200牙轮打捞器410(4 1/2"IF200强磁打捞器410(4 1/2"IF200高效打捞杯磨鞋410(4 1/2"IF)三. 钻头扣型1钻头直径 mm in11 1丨接头丝

12、扣尺寸11in1Ii钻头直径i|接头丝扣尺寸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. 接头术语缩语REG正规扣FH贯眼扣IF内平扣

15、NC数字型OH开眼型SH小眼型WO 轻便型（加大内平 ）MO 修正加大贯眼型DSL 双流型SL-H-90 小井眼术语休斯 90 度螺纹H-90 休斯 90 度螺纹 EH,XH 加大贯眼型PAC V-0.076 螺纹IU 内加厚 EU 外加厚 IEU 内外加厚常用钻具转换接头螺纹参数及扣型对照表序号代号螺纹类型螺纹规范公螺纹母螺纹牙/寸锥度大径DS小径DF螺纹长L镗孔QF螺纹长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印记槽应该有写，5 '钻杆扣411*410, 6-1/4和6-1/2扣为4A1*4A0,7'扣411; 8 '扣631 ,量量尺寸记下来类型扣型母孔类型扣型母扣直径中国钻井网

20、论坛6 R* t' b: q#17 1/2" 钻头7311805"钻杆410X 4113 Z/ s' & N( K2 _0 c " z' Z12 1/4" 钻头6311543 1/2"钻杆310X 3111039 5/8" 钻头6311542 7/8II钻杆210X 21186?"8 1/2" 钻头431119特种接头410X 5311426 " 钻头33191410X 5211504 1/2" 钻头231784A10X 431钻井石油 装备机械 设 备钻井机 海洋钻井 钻井液完井 固井 n! a+W6 Z, |# q# n' u8" 钻铤630X631410X 4317" 钻铤410X 411135630X 4316