oil-gathering system(There are two types of gathering systems, radial and trunk line. The radial type brings all the flowlines to a central header, while the trunk-line type uses several remote headers to collect fluid. The latter is mainly used in large fields. The gathering system is also called the collecting system or gathering facility. SLBG Alexander Demidov)
oil-gathering line(In a gathering system, a pipe arrangement that connects flowlines from several wellheads into a single gathering line. SLB G Alexander Demidov)
