玉蒲团在线-日韩视频一区二区三区-久久福利电影-青草视频在线免费观看-黄色wwww-亚洲精品小说-成人久久精品人妻一区二区三区-国产午夜片-精品美女久久久-污污视频在线观看免费-中文在线а√在线8-欧美69av-在线观看成人网-亚洲在线观看免费-国产一线二线在线观看-ts人妖另类精品视频系列-中国黄色录像一级片-人物动物互动39集免费观看-日韩欧美一区二区三区视频-中文字幕在线视频一区二区

Position:Home > Technology

Non-magnetic drill collar types


Time:2022-11-3 15:15:12 Source:http://m.xjjt123.com/ Author:Jiangsu HeRui alloy material technology co., LTD

Non-magnetic drill collar types

1. Non-magnetic drill collars are generally produced in accordance with API7-1 standards, with a length of 30FT or 31FT, i.e. 9150mm or 9450mm.
2.2, according to the shape can be divided into no magnetic drill collar, no magnetic spiral drill collar, no magnetic pressure drill pipe, no magnetic sub and so on.
 
The previous article: 沒有了! Next:Introduction to non-magnetic steel - Technical standard for Herui HRNM-2(P530)
  • Sales contact:

    15922134617 Mr Mao

  • Technical director:

    13511685966 Mr li

Address:Factory Building 7, No. 158 Zhenxing Road, Fenghuang Industrial Park, Danyang City, Jiangsu Province
Email:Sam.mao@zjherui.com