NORRISTOWN – The Pennsylvania Department of Environmental Protection completed a review to approve Mariner East pipeline modification requests in Chester and Delaware counties. Drilling sites near ...

WEST WHITELAND >> Rack up another win for Sunoco Logistics in the Battle of Mariner East 2. The State Department of Environmental Protection this week gave the company the green light for ...

The Herrenknecht pipe thruster sent the 48-in. pipeline on a 4,038-ft underground journey. Working on a trenchless pipeline installation in the crowded subgrade of the busy oil town Freeport, Texas, ...

Laying pipe on the seafloor can pose a number of challenges, especially if the water is deep. There are three main ways that subsea pipe is laid -- S-lay, J-lay and tow-in -- and the pipelay vessel is ...

Horizontal directional drilling (HDD) is challenging and difficult work fraught with unknown obstacles. While it's not possible to eliminate every obstacle, bore planning software tools developed by ...

Over the last decade, pipe bursting has been increasingly accepted by project owners as a less costly, less disruptive alternative to open cut trenching for replacing underground utilities. “In ...