油套管主要技术标准、检测项目与尺寸公差范围

1、油套管主要检测项目与公差范围序号检测项目公差范围1管体长度L套管口类7.6210.36m;95%及更大车载量允许变化量MAX:1.52m,长度允许MIN:8.53m油管口类8.539.75m;100%车载量允许变化量MAX:0.61m短节0.61;0.91;1.22;1.83;2.44;3.03;3.66m+7m2管体外径D规格41/2管子：±0.79;规格41/2管子：+1.00%Dmm-0.50%Dmm3管体加厚外径D4规格23/831/2管子：+2.38mm-0.79mm规格31/24管子：+2.78mm-0.79mm规格4管子：+2.78mm-0.75%Dmm4管体壁厚t-1

2、2.5%,即呈87.5%义壁厚5管体直度全长；弦高00.20%L管端：下移量03.18mm（直尺长度）1.83m）6接箍外径W油管：+1%W;P110及以下钢级套管：±1%W;但不超过±3.18mm7接箍长度N学名义长度8接箍链孔直径Q圆螺纹套管接箍：（+0.79,0）mm9接箍链孔深度q圆螺纹套管接箍：（+0.79,0）mm10牙型高度偏差油管及圆螺纹套管：（+0.051,-0.102）mm;偏梯型套管及玻璃钢油管：±0.025mm11螺距偏差每25.4mm间距规格133/8偏梯型套管及玻璃钢油管：±0.051mm其余油管及套管均为：+0.076mm全

3、长螺距油管及圆螺纹套管：±0.152mm;玻璃钢油管土0.076mm;偏梯型螺纹套管±0.102mm12牙型角偏差油管（含玻璃钢油管）及圆螺纹套管：±1.5度；偏梯型螺纹套管：±1度13锥度油管及圆螺纹套管：62.5(+5.2,-2.6)mm/m,即59.967.7mm/m玻璃钢油管：62.5(+2.5,-1.5)mm/m,即61.065.0mm/m规格133/8偏梯型套管完整螺纹：62.5(+3.5,-1.5)mm/m,即61.066.0mm/m规格133/8偏梯型套管不完整螺纹：62.5(+4.5,-1.5)mm/m,即61.067.0mm/m规格1

4、33/8偏梯型套管接箍：62.5(+4.5,-2.5)mm/m,6即0.067.0mm/m规格16偏梯型套管完整螺纹：83.3(+3.5,-1.5)mm/m,即81.886.8mm/m规格16偏梯型套管不完整螺纹：83.3（+4.5,-1.5）mm/m,即81.887.8mm/m规格16偏梯型套管接箍：83.3(+4.5,-2.5)mm/m,即80.887.8mm/m14管端至消逝点长度L48牙/时油套管：土;10牙/时EU油管（+3.81,-1.90）mm;10牙/时NU油管：±3.81mm玻璃钢油管：）名义长度15管端外倒角所有规格油套管均为：65度（+5.0,0）度16管端内倒

5、角360度圆周必须倒全17长度A1偏梯型套管三角形上扣标记底边至管端距离：±0.79mm8牙/口寸油管及圆螺纹套管：P1或P（S1-S）+A或A±3.18mm短圆螺纹套管环规检验长圆螺纹套管凸出量：（L1长-L1短）-P1+3.18mm18紧密距玻璃钢油管接箍同8牙/时油管；外螺纹：（L1钢-L1玻）-P1均.18mm10牙/口寸油管：P1或P(S1-S)+A或A+3.18mm偏梯型套管：P1或P(+2.54,0)mm;(S1-S)+A或A(0,-2.54)mm19从管端起全顶螺纹油管及圆螺纹套管：Lc长度内不允许出现黑皮扣最小长度Lc偏梯型套管：Lc长度内允许出现2牙黑皮

6、扣，但长度不超过1/4周常用油套管技术标准简表序号检验API标准规定公差API标准常用油套管规格60.3X4.8373X5.5188.9X6.45101.6X6.65114.3X6.88114.3X6.35139.7X7.72177.8X9.1995.25X6.5(2-3/8”)EU(2-7/8”)EU(3-1/2”)EU(4”)EU(4-1/2”)EU(4-1/2")LC(5-1/2”)LC(7")LC(3-3/4”)1夕卜径D1%=0.5%60.3±0.7973.02±0.7988.9±0.79101.6±0.79114.31.1

7、40.57114.31.140.57139.71.390.7177.81.780.8995.25±0.792壁厚12.5%t4.835.516.456.656.886.357.729.196.5(4.23)(4.82)(5.65)(5.82)(6.02)(5.56)(6.76)(8.04)(5.67)3椭圆度加厚外径公差：01.59mm管端到加厚终止处La=152.4mm(2-3/8")、La=158.75mm(2-7/8")、La=165.10mm(3-1/2")、La=165.10mm(4")、La=171.45mm(4-1/2”)亡0.7

8、5%椭圆度=2(DmaxDmin)/(DmaxDmin)4直线度a弦高不能超过管子总长的0.2%b.管子两端6ft（1.83m）长度范围内，不应超过1/8in（3.18mm）。5长度R1:(6.10rn-7.32m)R2:(8.53m-9.75m)R2级7.62(8.53)10.36m；R3级10.36(10.9714.63m)6重量+6.5%-3.5%4.7lb/ft6.5lb/ft9.3lb/ft11lb/ft12.75lb/ft12.75lb/ft17lb/ft26lb/ft14.22kg/m6.99kg/m9.67kg/m13.84kg/m16.37kg/m18.97kg/m18.97

9、kg/m22.85kg/m38.21kg/m7管体外观缺欠深度不大于管体标准壁厚的12.5%8通径通径规=1067mm=-(2.38口由所、3.18)mm通径规Lmin152mmDmdn-3.18mm9管体外观655a.管端处外倒角650,必须在管子端面360度全倒；倒角的直径应使螺纹牙底在倒角上消失，而不在管端消失，并且不出现刀口状薄边。所有管子端部内外棱边都不应有毛刺。b.管端起在全顶螺纹的最小长度Lc范围内，螺纹无明显撕裂、刀伤、磨痕、台肩或连续性的任何缺陷。首扣不能有毛刺。c.2-3/8"7”黑顶螺纹不得多于7扣。10单项参数锥度0.0625+0.0052in/in螺距

10、77;0.003in/in(累积螺距±0.006in)齿高0.07125in+0,2牙型角±1.5度0.00260.00411紧密距±3.17500000-25.4-15.875-22.225012L243.264854.3557.5360.768.9681.6690.3654.3513L4士P49.235460.3363.566.6876.288.9101.660.3314Lc23.8328.5734.9338.141.2747.6360.3273.0234.9315机紧机紧位置J=12.772-777883848986-9189-949910511211812

11、4130848916接箍外径±%D77.893.17114.3127141.3127153.67194.4610817长度123.82133.35146.05152.4158.75177.8203.2228.6146.0518锋孔中0.78067.4680.1696.85109.55122.25116.68142.08180.1896.8519锋孔H0.7809.539.539.539.539.5312.712.712.79.5320承载面（枭）3.975.566.356.356.353.973.184.7621最小重量Kg1.552.44.14.826.054.156.4210.8

12、322单项参数锥度0.06250黑2in/in距±0.003in/in(累积螺距±0.006in)齿高0.07125in/10；限轴度0.78mm23紧密距土3.1756.356.356.356.356.359.5259.5259.5256.3524外观a成品接箍不得有可检查出的裂纹、裂缝和孔隙；从接箍中心J到管端间隔内，螺纹应无明显撕裂、刀伤、磨痕、台肩或连续性的任何缺欠。两端面内外棱边不得有毛刺；b麻点和圆底凿痕的允许缺欠深度：31/2”（0.76mm6-5/8”（0.89mmi；夹痕和尖底凿痕的允许缺欠深度6-5/8”（0.76mm;c.接箍螺纹表面磷化膜用检验溶液滴

13、试色变时间大于3分钟；磷化后颜色为浅灰色或深灰色，膜层应结晶致密、连续、均匀，不允许出现疏松的磷化膜层、锈蚀和绿斑、局部无磷化膜、表面严重挂灰等现象。25.色标管体J55:一条绿色K55:两条绿色N80-1:一条红色N80Q:一条红色和绿色带L80-1:一条红色带和棕色带P110:一条白色带26接箍J55:绿色和一条白色带（油管无白色带）K55:绿色N80-1:红色N80Q:红色和一条绿色带L80-1:红色带和一条棕色带P110:白色27打标尺寸管体：4-1/2"：4.8mm4-1/2:6.4mm接箍4-1/2”:6.4mm注：（1）本技术标准是根据APISpec5CT、5B（最新版

14、）的有关内容制定。（2）制定日期：200逸11月油套管螺纹尺寸公差表APISPEC5B2002.6.25sl外加厚油管螺纹尺寸公差表单位：mm项目规格in锥度mm/m螺距mm/25.4齿高紧密距管段至消失点总长度L4接箍夕卜径W最小接箍长度NL接箍镇孔直径Q接箍镇孔深度q管体直径DS1P123/862.5+5.2-2.6垃076+0.051-0.1026.35±3.180±3.1849.23±3.1877.80±0.78>123.8267.469.5360.327/853.98±3.1893.17±0.93>133.358

15、0.1673.031/260.33±3.18114.30±1.14>146.0596.8588.9463.50±3.18127.00±1.27>152.40109.55101.641/266.68±3.18141.30±1.41>158.75122.25114.3EU不加厚油管螺纹尺寸公差表单位：mm项目规1inin锥度mm/m螺距mm/25.4齿高紧密距管段至消失点总长度L4接箍夕卜径W最小接箍长度NL接箍镇孔直径Q接箍镇孔深度q管体直径DS1P123/862.5+5.2-2.6垃076+0.051-0.1025.

16、08垃810±3.8141.28±3.8173.03±0.73>102.2461.9257.9460.327/852.4±3.8188.9±0.89>130.1874.62573.031/258.75±3.81107.95±1.08>142.8890.5088.946.35垃1860.33±3.18120.65±1.21>146.05103.209.525101.641/265.10±3.18132.08±1.32>155.58115.90114.3NU长

17、圆螺纹套管螺纹尺寸公差表单位：mm项目规格in锥度mm/m螺距mm/25.4齿高紧密距管段至消失点总长度L4接箍夕卜径W最小接箍长度NL接箍镇孔直径Q+0.790接箍镇孔深度q+0.790管体直径DS1P141/262.5+5.2-2.6±0.076+0.051-0.1029.53±3.1825.40±3.1876.20±3.18127.0±1.27>177.8116.6812.7114.3515.88±3.1885.73±3.18141.3±1.41>188.69129.38127.051/215.8

18、8±3.1888.90±3.18153.67±1.54>203.2142.08139.765/819.05±3.1898.43±3.18187.7±1.88>222.25170.66168.3722.23±3.18101.60±3.18194.46±1.94>228.6180.18177.875/811.11±3.1822.23±3.18104.78±3.18215.9±2.16>234.95197.6411.0193.785/828.58&

19、#177;3.18114.30±3.18244.48±2.44>254.0223.04219.0895/834.93±3.18120.65±3.18269.85±2.70>266.7246.86244.4895/812.7±3.18短圆螺纹套管螺纹尺寸公差表单位：mma目规格in锥度mm/m螺距mm/25.4齿高紧密距管段至消失点总长度L4±3.18接箍夕卜径W最小接箍长度NL接箍镇孔直径Q+0.79-0接箍镇孔深度q+0.790管体直径DS1P141/262.5+5.2-2.6垃076+0.051-0.1029

20、.53±3.180±3.1866.68127.00±1.27>158.75116.6812.7114.3569.85141.30±1.41>165.10129.38127.051/273.03153.67±1.54>171.45142.08139.765/879.38187.70±1.88>184.15170.66168.3779.38194.46±1.94>184.15180.18177.875/811.11±3.1882.55215.90±2.16>190.50197.6411.0193.795/885.73