刚性直管是一种两端带有特殊连接形式：螺纹、法兰、由王等的管线，广泛应用于石油钻采，；固井压裂、测试作业。
其规格有1*~6”，额定工作压力14~140wPa (2000osi~20000ps1），可提供普通，低温和含硫化氢等环境下使用的各种型号刚性直管。

Rigid straight pipe is a kind of both endswith special connect; thread.flange,such as union of pipeline,widely usedin oil drilling.cementing.fracturing,test operations.The specifications have1& quot:-6& quot:.rated pressare 14-140 Mpa (2000 psi-20000 psil),canprovide normal and low temperature and hydrogen sulfide-bearing environment usingvarious types of rigid straight pipe.