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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Ⅱ类7.62~10.36m;95%及更大车载量允许变化量MAX:1.52m,长度允许MIN:8.53m油管Ⅱ类8.53~9.75m;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23/8~31/2管子:+2.38mm-0.79mm规格31/2~4管子:+2.78mm-0.79mm规格4管子:+2.78mm-0.75%Dmm4管体壁厚t-12.5%,即≥87.5%名义壁厚5管体直度全长;弦高≤0.20%L;管端:下移量≤3.18mm(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≥名义长度8接箍镗孔直径Q圆螺纹套管接箍:(+0.79,0)mm9接箍镗孔深度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全长螺距油管及圆螺纹套管:±0.152mm;玻璃钢油管±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59.9~67.7mm/m玻璃钢油管:62.5(+2.5,-1.5)mm/m,即61.0~65.0mm/m规格≤133/8偏梯型套管完整螺纹:62.5(+3.5,-1.5)mm/m,即61.0~66.0mm/m规格≤133/8偏梯型套管不完整螺纹:62.5(+4.5,-1.5)mm/m,即61.0~67.0mm/m规格≤133/8偏梯型套管接箍:62.5(+4.5,-2.5)mm/m,6即0.0~67.0mm/m规格≥16偏梯型套管完整螺纹:83.3(+3.5,-1.5)mm/m,即81.8~86.8mm/m规格≥16偏梯型套管不完整螺纹:83.3(+4.5,-1.5)mm/m,即81.8~87.8mm/m规格≥16偏梯型套管接箍:83.3(+4.5,-2.5)mm/m,即80.8~87.8mm/m14管端至消逝点长度L48牙/吋油套管:±;10牙/吋EU油管(+3.81,-1.90)mm;10牙/吋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:±0.79mm18紧密距8牙/吋油管及圆螺纹套管: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±3.18mm玻璃钢油管接箍同8牙/吋油管;外螺纹:(L1钢-L1玻)-P1±3.18mm10牙/吋油管: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从管端起全顶螺纹最小长度Lc油管及圆螺纹套管:Lc长度内不允许出现黑皮扣偏梯型套管:Lc长度内允许出现2牙黑皮扣,但长度不超过1/4周Φ60.3×4.83Φ73×5.51Φ88.9×6.45Φ101.6×6.65Φ114.3×6.88Φ114.3×6.35Φ139.7×7.72Φ177.8×9.19Φ95.25×6.5(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”)4.835.516.456.656.886.357.729.196.5(4.23)(4.82)(5.65)(5.82)(6.02)(5.56)(6.76)(8.04)(5.67)454.7lb/ft6.5lb/ft9.3lb/ft11lb/ft12.75lb/ft12.75lb/ft17lb/ft26lb/ft6.99kg/m9.67kg/m13.84kg/m16.37kg/m18.97kg/m18.97kg/m22.85kg/m38.21kg/m79外观10单项参数11紧密距±3.17500000-25.4-15.875-22.225012L2——43.264854.3557.5360.768.9681.6690.3654.3513L4±P49.235460.3363.566.6876.288.9101.660.3314Lc——23.8328.5734.9338.141.2747.6360.3273.0234.9315机紧位置J=12.772-7778~8384~8986-9189-9499~105112~118124~13084~8916外径±%D77.893.17114.3127141.3127153.67194.4610817长度123.82133.35146.05152.4158.75177.8203.2228.6146.0518镗孔Φ67.4680.1696.85109.55122.25116.68142.08180.1896.8519镗孔H9.539.539.539.539.5312.712.712.79.53203.975.566.356.356.353.973.184.76211.552.44.14.826.054.156.4210.8322236.356.356.356.356.359.5259.5259.5256.352425管体26接箍273≤0.75%椭圆度=常用油套管技术标准简表通径规=1067mm=d-(2.38、3.18)mm加厚外径公差:0~1.59mm,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”)外观缺欠深度不大于管体标准壁厚的12.5%86管体通径Φ88.9±0.79Φ101.6±0.79Φ114.3Φ95.25±0.792-12.5%tΦ114.3Φ139.7Φ177.8检验外径壁厚椭圆度序号API标准常用油套管规格1DΦ60.3±0.79Φ73.02±0.79通径规=152mm=d-3.18mm直线度长度重量14.22kg/mR1:(6.10m~7.32m)R2:(8.53m~9.75m)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)。R2级7.62(8.53)~10.36m;R3级10.36(10.97~14.63m)外观管体a.管端处外倒角,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。锥度0.0625螺距±0.003in/in(累积螺距±0.006in)齿高0.07125in牙型角±1.5度锥度0.0625螺距±0.003in/in(累积螺距±0.006in)齿高0.07125in/同轴度0.78mma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:<3-1/2”(0.76mm)<6-5/8”(0.89mm);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。承载面(≥)最小重量Kg单项参数紧密距±3.175API标准规定公差注:(1)本技术标准是根据APISpec5CT、5B(最新版)的有关内容制定。(2)制定日期:2008年11月色标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:白色打标尺寸管体:<4-1/2”:4.8mm≥4-1/2”:6.4mm接箍<4-1/2”:6.4mm机紧接箍1%0.5%1.140.571.390.71.780.89maxminmaxmin2()/()DDDD+6.5%-3.5%minLminDminLminD1.140.570.00520.0026/inin+-0.0020.004+-0.7800.7800.00520.0026/inin+-0.0020.004+-°5065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接箍外径W最小接箍长度NL接箍镗孔直径Q接箍镗孔深度q管体直径DS1P123/862.5+5.2-2.6±0.076+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≥133.3580.1673.031/260.33±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接箍外径W最小接箍长度NL接箍镗孔直径Q接箍镗孔深度q管体直径DS1P123/862.5+5.2-2.6±0.076+0.051-0.1025.08±3.810±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±3.1860.33±3.18120.65±1.21≥146.05103.209.525101.641/265.10±3.18132.08±1.32≥155.58115.90114.3NU长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接箍外径W最小接箍长度NL接箍镗孔直径Q+0.79-0接箍镗孔深度q+0.79-0管体直径DS1P141/225.40±3.1876.20±3.18127.0±1.27≥177.8116.68114.3562.5+5.2-2.6±0.076+0.051-0.1029.53±3.1815.88±3.1885.73±3.18141.3±1.41≥188.69129.3812.7127.051/215.88±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≥2
本文标题:油套管主要技术标准、检测项目与尺寸公差范围
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