Our client has requested us to provide about 1500 meters of 4" pipe from the hot tap, into an existing 20" fuel gas line, all the way to a metering station. The service will be fuel gas (primarily methane) and unfortunately there is a problem with black powder. As I understand it, the black...
Our firm has been involved in relocating some scraper traps in NGL service. In one case there are two EIV's (Emergency Isolation Valves)in series on the lateral downstream and in another case the single EIV is upstream of the trap. It seems logical to me that the EIV is ahead of the trap so that...
Please read the following statement and inform me as to what it means, "With regards to pressure testing on fabricated pieces of pipe, orange peel test heads are excluded." Would this be an instance in which wedges near the end of the pipe are cut out and removed and the rest of the pipe end...
It is normal practice to provide scraper facilities for cross country crude and other services which will leave a residual on the pipe interior wall. However, I have also observed scraper facilities for gasoline, diesel, benzene, propane, butane, ethane and natural gas liquids. This puzzles me...
