Composed of sections with
three wall thicknesses that share a common inside diameter.
Material cold drawn 4140 [chrome-moly]
5 types of sleeve-type
couplings are employed: 3 ‘straight’ and
2 ‘step-tapered’ to transition the core barrels from one wall thickness to
[current] = 46 meters [150 feet]
Purpose built pneumatic jib crane delivers barrels to barrel ‘truck’.The pneumatic truck is equipped with a tractor drive to move barrels fore and aft plus air jacks and a vibration system to assist assembly.
Custom extruded pvc 4.875” od x 4.375” id. Ten foot lengths coupled during assembly via threaded joints at each end.
Adjustable [via bushings]
id core cutters and variable strength core catchers cut and retain the
A powerful hydraulic cylinder pushes 3 inch diameter plastic [HDPE] rods to incrementally extrude the liner at the lower end of the core.