susanta kumar ghadai
Petroleum
Hello All,
I am making a drill stem (TYPE-A) sub according API 7-1 & 7-2.
There is information about marking recess in the 7-1. But there is no dimensional info. about the recess.
Qustion-1
I need Depth, width and length of recess or (any Code which is giving info. about recess dimension).
I am making a drill stem (TYPE-A) sub according API 7-1 & 7-2.
There is information about marking recess in the 7-1. But there is no dimensional info. about the recess.
Qustion-1
I need Depth, width and length of recess or (any Code which is giving info. about recess dimension).