Each tower also had a single express elevator ... "So the material is in between those two materials -- it's not like oil, it's not like steel, it's visco-elastic." Robertson's crew placed the ...

Types of Risers There are a number of types of risers, including attached risers, pull tube risers, steel catenary risers, top-tensioned risers, riser towers and flexible riser configurations ...

U.S. tariffs on steel and aluminum imports are poised to escalate costs for the oilfield service companies behind North America's vast energy industry, as their operations rely heavily on these metals ...

A particular variety of steel, hot-rolled coil steel (HRC), is used to fashion oil country tubular goods (OCTG) - specialized pipes and tubes designed to endure high pressures, temperatures and ...