API标准钻杆
(1)管体外径:2-3/8〜5英寸;
(2)钢级:E75,X95,G105,S135;
(3)壁厚:7.11毫米-12.7毫米;
内涂层:TK34, TC2000, TC3000;
耐磨带:安科100XT,200XT,300XT;
长度:R1:6.10-7.01米,R2:8.84-9.75米,R3:12.19-13.72米;
用途:石油钻孔,水井钻孔,地质钻孔。
手机&微信:13673119276
Hebei Longway Petroleum Equipment Co., Ltd.
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