{"id":2399,"date":"2024-01-29T01:19:21","date_gmt":"2024-01-29T01:19:21","guid":{"rendered":"https:\/\/www.petroleumtube.com\/?p=2399"},"modified":"2024-01-29T01:19:21","modified_gmt":"2024-01-29T01:19:21","slug":"octg-erw-and-seamless-steel-tube-tubing","status":"publish","type":"post","link":"https:\/\/www.petroleumtube.com\/hi\/octg-erw-and-seamless-steel-tube-tubing\/","title":{"rendered":"OCTG ERW and Seamless Steel Tube Tubing Oil, Casing&Drilling Pipe API 5CT J55, K55, N80 L80, T95, P110, Q125 for Oil Drilling, Well, Pumping and Transmission"},"content":{"rendered":"

overview<\/strong><\/a> of octg<\/strong><\/a> erw<\/strong><\/a> and seamless<\/strong><\/a> steel<\/strong><\/a> Tube<\/strong><\/a> Tubing<\/strong><\/strong><\/a><\/h1>OCTG, whic<\/strong><\/a>h stand<\/strong><\/a>s for oil<\/strong><\/a> country tubular<\/strong><\/a><\/strong><\/a> goods<\/strong><\/a>, refers to a range<\/strong><\/a> of steel tubes<\/strong><\/a> and Pipe<\/strong><\/strong><\/a>s that are used<\/strong><\/a> in the Oil and gas<\/strong><\/a><\/strong><\/a> industry. these<\/strong><\/a> tubes and pipes are essential<\/strong><\/a> for various<\/strong><\/a> application<\/strong><\/a>s<\/strong><\/a>, including drill<\/strong><\/a>ing<\/strong><\/a>, well<\/strong><\/a> completion, pumping, and transmiss<\/strong><\/a>ion<\/strong><\/a><\/strong><\/a>. In this article, we will provide an overview of OCTG ERW and seamless steel tube tubing, focusing on their<\/strong><\/a> specific<\/strong><\/a>ation<\/strong><\/a>s<\/strong><\/a> and uses<\/strong><\/a>.\nastm<\/strong><\/a> a106<\/strong><\/a>\nERW, or electric<\/strong><\/a> resistance<\/strong><\/a> weld<\/strong><\/a>ed<\/strong><\/a>, tubes are manufacture<\/strong><\/a>d by rolling<\/strong><\/a> a strip of steel into<\/strong><\/a> a cylindrical shape and then welding<\/strong><\/a> the edges toget<\/strong><\/a>her using electric resistance. This process<\/strong><\/a> creates a strong and durable<\/strong><\/a> tube that is suitable<\/strong><\/a> for a wide<\/strong><\/a> range of applications. ERW tubes are available in various size<\/strong><\/a>s and thicknesses, and they can be used for both onshore<\/strong><\/a> and offshore<\/strong><\/a> drilling oper<\/strong><\/a>ations<\/strong><\/a>.\n
\u00a0API<\/strong><\/strong><\/a> 5c<\/strong><\/a>t<\/strong><\/a> L80<\/strong><\/strong><\/a><\/strong><\/a> casing<\/strong><\/a> tubing<\/strong><\/a>Dimensions and Masses for standard<\/strong><\/a> Casing and for Casing Thread<\/strong><\/a>ed<\/strong><\/a> with<\/strong><\/a><\/td><\/tr>
API Round Thread and Buttress Thread<\/strong><\/strong><\/td><\/tr>
Labels <\/strong>a<\/strong><\/strong><\/td> <\/strong><\/td> <\/strong><\/td> <\/strong><\/td> <\/strong><\/td> <\/strong><\/td>Calculated Mass <\/strong>c<\/strong><\/strong><\/td><\/tr>
 <\/strong><\/td> <\/strong><\/td>Nominal line<\/strong><\/a>ar Mass T& C <\/strong>b,c<\/strong><\/strong><\/td>wall<\/strong><\/a> Thick- ness<\/strong><\/strong><\/td> <\/strong><\/td> <\/strong><\/td> <\/strong><\/td>e<\/em><\/strong><\/em><\/strong>m<\/em><\/strong><\/em><\/strong>, Mass Gain or Loss Due to End finish<\/strong><\/a>ing <\/strong>d<\/strong><\/em><\/strong><\/em><\/strong><\/td><\/tr>
 <\/strong><\/td>Outside diameter<\/strong><\/a><\/strong><\/strong><\/td> <\/td> <\/td>Inside Diameter<\/strong><\/strong><\/td>Drift Diameter<\/strong><\/strong><\/td>Plain- end<\/strong><\/strong><\/td>kg<\/strong><\/strong><\/td><\/tr>
 <\/strong><\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td>Round Thread<\/strong><\/strong><\/td>Buttress Thread<\/strong><\/strong><\/td><\/tr>
 <\/strong><\/td> <\/strong><\/td> <\/strong><\/td> <\/strong><\/td> <\/strong><\/td> <\/strong><\/td>w<\/em><\/strong><\/em><\/strong>pe<\/em><\/strong><\/em><\/strong><\/em><\/strong><\/em><\/strong><\/td> <\/strong><\/td> <\/strong><\/td> <\/strong><\/td> <\/strong><\/td><\/tr>
 <\/strong><\/td>D<\/em><\/strong><\/em><\/strong><\/em><\/strong><\/em><\/strong><\/td>kg\/m<\/strong><\/strong><\/td>t<\/em><\/strong><\/em><\/strong><\/em><\/strong><\/em><\/strong><\/td>D<\/em><\/strong><\/em><\/strong><\/em><\/strong><\/em><\/strong><\/td>mm<\/strong><\/strong><\/td>kg\/m<\/strong><\/strong><\/td>Short<\/strong><\/strong><\/td>Long<\/strong><\/strong><\/td>RC<\/strong><\/strong><\/td>SCC<\/strong><\/strong><\/td><\/tr>
 <\/strong><\/td>mm<\/strong><\/strong><\/td> <\/td>mm<\/strong><\/strong><\/td>mm<\/strong><\/strong><\/td> <\/td> <\/td> <\/td> <\/td> <\/td> <\/td><\/tr>
1<\/em><\/em><\/td>2<\/em><\/em><\/td>3<\/em><\/em><\/td>4<\/em><\/em><\/td>5<\/em><\/em><\/td>6<\/em><\/em><\/td>7<\/em><\/em><\/td>8<\/em><\/em><\/td>9<\/em><\/em><\/td>10<\/em><\/em><\/td>11<\/em><\/em><\/td>12<\/em><\/em><\/td><\/tr>
4 1\/2<\/td>9.5<\/td>114.3<\/td>14.38<\/td>5.21<\/td>103.88<\/td>100.7<\/td>14.02<\/td>3.64<\/td>\u2014<\/td>\u2014 4.53<\/td>\u2014 1.12<\/td><\/tr>
4 1\/2<\/td>10.5<\/td>114.3<\/td>15.73<\/td>5.69<\/td>102.92<\/td>99.74<\/td>15.24<\/td>3.33<\/td>\u2014 3.61<\/td>4.32<\/td>0.91<\/td><\/tr>
4 1\/2<\/td>11.6<\/td>114.3<\/td>17.38<\/td>6.35<\/td>101.6<\/td>98.42<\/td>16.91<\/td>3.18<\/td>3.35<\/td>4.07<\/td>0.6<\/td><\/tr>
4 1\/2<\/td>13.5<\/td>114.3<\/td>19.87<\/td>7.37<\/td>99.56<\/td>96.38<\/td>19.44<\/td>\u2014<\/td>3.53<\/td>3.64<\/td>0.24<\/td><\/tr>
4 1\/2<\/td>15.1<\/td>114.3<\/td>22.69<\/td>8.56<\/td>97.18<\/td>94<\/td>22.32<\/td>\u2014<\/td> <\/td> <\/td> <\/td><\/tr>
5<\/td>11.5<\/td>127<\/td>17.19<\/td>5.59<\/td>115.82<\/td>112.64<\/td>16.74<\/td>4.32<\/td>\u2014 4.85<\/td>\u2014 5.38<\/td>\u2014 1.24<\/td><\/tr>
5<\/td>13<\/td>127<\/td>19.69<\/td>6.43<\/td>114.14<\/td>110.96<\/td>19.12<\/td>4<\/td>4.51<\/td>4.99<\/td>0.61<\/td><\/tr>
5<\/td>15<\/td>127<\/td>22.69<\/td>7.52<\/td>111.96<\/td>108.78<\/td>22.16<\/td>3.71<\/td>4.52<\/td>4.4<\/td>0.22<\/td><\/tr>
5<\/td>18<\/td>127<\/td>27.19<\/td>9.19<\/td>108.62<\/td>105.44<\/td>26.7<\/td>\u2014<\/td>3.45<\/td>3.76<\/td>\u20130.62<\/td><\/tr>
5<\/td>21.4<\/td>127<\/td>32.13<\/td>11.1<\/td>104.8<\/td>101.62<\/td>31.73<\/td>\u2014<\/td>3.15<\/td>3.42<\/td>\u20130.96<\/td><\/tr>
5<\/td>23.2<\/td>127<\/td>34.76<\/td>12.14<\/td>102.72<\/td>99.54<\/td>34.39<\/td>\u2014<\/td>2.99<\/td>3.23<\/td>\u20131.14<\/td><\/tr>
5<\/td>24.1<\/td>127<\/td>36.15<\/td>12.7<\/td>101.6<\/td>98.42<\/td>35.8<\/td>\u2014<\/td> <\/td> <\/td> <\/td><\/tr>
5 1\/2<\/td>14<\/td>139.7<\/td>20.91<\/td>6.2<\/td>127.3<\/td>124.12<\/td>20.41<\/td>4.6<\/td>\u2014 5.26<\/td>\u2014 5.71<\/td>\u2014 0.87<\/td><\/tr>
5 1\/2<\/td>15.5<\/td>139.7<\/td>23.48<\/td>6.98<\/td>125.74<\/td>122.56<\/td>22.85<\/td>4.36<\/td>5.31<\/td>5.41<\/td>0.58<\/td><\/tr>
5 1\/2<\/td>17<\/td>139.7<\/td>25.72<\/td>7.72<\/td>124.26<\/td>121.08<\/td>25.13<\/td>4.14<\/td>4.5<\/td>4.84<\/td>0.45<\/td><\/tr>
5 1\/2<\/td>20<\/td>139.7<\/td>30.05<\/td>9.17<\/td>121.36<\/td>118.18<\/td>29.52<\/td>\u2014<\/td>4.37<\/td>4.31<\/td>-0.52<\/td><\/tr>
5 1\/2<\/td>23<\/td>139.7<\/td>34.05<\/td>10.54<\/td>118.62<\/td>115.44<\/td>33.57<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td><\/tr>
5 1\/2<\/td>26.8<\/td>139.7<\/td>40.15<\/td>12.7<\/td>114.3<\/td>111.12<\/td>39.78<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td><\/tr>
5 1\/2<\/td>29.7<\/td>139.7<\/td>44.47<\/td>14.27<\/td>111.16<\/td>107.98<\/td>44.14<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td><\/tr>
5 1\/2<\/td>32.6<\/td>139.7<\/td>48.74<\/td>15.88<\/td>107.94<\/td>104.76<\/td>48.49<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td><\/tr>
5 1\/2<\/td>35.3<\/td>139.7<\/td>52.8<\/td>17.45<\/td>104.8<\/td>101.62<\/td>52.61<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td><\/tr>
5 1\/2<\/td>38<\/td>139.7<\/td>56.82<\/td>19.05<\/td>101.6<\/td>98.42<\/td>56.68<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td><\/tr>
5 1\/2<\/td>40.5<\/td>139.7<\/td>60.64<\/td>20.62<\/td>98.46<\/td>95.28<\/td>60.55<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td>\u2014<\/td><\/tr>
5 1\/2<\/td>43.1<\/td>139.7<\/td>64.41<\/td>22.22<\/td>95.26<\/td>92.08<\/td>64.38<\/td>\u2014<\/td> <\/td> <\/td> <\/td><\/tr>
6 5\/8<\/td>20<\/td>168.28<\/td>29.76<\/td>7.32<\/td>153.64<\/td>150.46<\/td>29.06<\/td>5.58<\/td>6.23<\/td>6.35<\/td>0.89<\/td><\/tr>
6 5\/8<\/td>24<\/td>168.28<\/td>35.72<\/td>8.94<\/td>150.4<\/td>147.22<\/td>35.13<\/td>4.42<\/td>5.48<\/td>5.52<\/td>0.68<\/td><\/tr>
6 5\/8<\/td>28<\/td>168.28<\/td>41.67<\/td>10.59<\/td>147.1<\/td>143.92<\/td>41.18<\/td>\u2014<\/td>4.73<\/td>4.71<\/td>\u20130.75<\/td><\/tr>
6 5\/8<\/td>32<\/td>168.28<\/td>47.62<\/td>12.06<\/td>144.16<\/td>140.98<\/td>46.46<\/td>\u2014<\/td>4.73<\/td>4<\/td>\u20131.46<\/td><\/tr><\/tbody><\/table><\/figure>\nSeamless tubes, on the other hand, are manufactured by piercing a solid billet of steel and then rolling it into a cylindrical shape. This process eliminates the need<\/strong><\/a> for welding, result<\/strong><\/a>ing in a tube that is free from any seams or joint<\/strong><\/a>s. Seamless tubes are known for their superior<\/strong><\/a> strength<\/strong><\/a> and reliability<\/strong><\/a>, making them ideal for high<\/strong><\/a>–pressure<\/strong><\/a><\/strong><\/a> and high-temperature<\/strong><\/a> applications.\n\n\"alt-514\"\n\nWhen it comes to OCTG ERW and seamless steel tube tubing, there are several grade<\/strong><\/a>s<\/strong><\/a> available, each with its own set of specifications. The most common<\/strong><\/a>ly used grades include J55<\/strong><\/strong><\/a>, K55<\/strong><\/a>, N80<\/strong><\/strong><\/a>, L80, T95<\/strong><\/a>, P110<\/strong><\/strong><\/a>, and Q125<\/strong><\/a>. These grades are defined by the america<\/strong><\/a>n<\/strong><\/a> petroleum<\/strong><\/a> institute<\/strong><\/a> (API) and are design<\/strong><\/a>ed to meet specific requirement<\/strong><\/a>s<\/strong><\/a> for strength, corrosion<\/strong><\/a> resistance<\/strong><\/a>, and performance<\/strong><\/a>.\n\nJ55 and K55 are low<\/strong><\/a> carbon<\/strong><\/a> steel<\/strong><\/a> grades that are suitable for shallow to medium-depth wells<\/strong><\/a>. These grades offer good resistance to corrosion and are commonly used in casing and tubing<\/strong><\/a> applications. N80 is a higher strength grade that is suitable for deeper wells and more demand<\/strong><\/a>ing environments<\/strong><\/a>. It offers excellent<\/strong><\/a> resistance to corrosion and can withstand high pressures and temperatures.\n\nL80 is a medium carbon steel grade that is commonly used in casing and tubing applications. It offers good mechanical<\/strong><\/a> proper<\/strong><\/a>ties and is suitable for a wide range of environments. T95 is a high-strength grade that is designed for deep wells and harsh environments. It offers excellent resistance to corrosion and can withstand extreme<\/strong><\/a> pressures and temperatures.\n\n\n
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