However, this has yet to be tested. Design to date takes advantage of the significant advances that have been made with regard to NPSH and tapered pump designs. This also eliminates some of the advantage of isolating the power cable from the well bore. There is room in the CT for 2 TEC wires or capillary tubes. Additionally, we can add 3 capillary tubes internal to the cable.
Composite materials are an option but require an alternate anchoring principle.
This results in a typical 9000' section weighing XX tons on the reel. Going to smaller CT does not necessarily help. The CT must be sized to handle the weight of the bottom hole assembly as well as any over pull that might be needed to disengage the system from a seal bore assembly. CT is flexible, no matter how sturdy it looks. As a rule of thumb, if the well is angled 60 degrees or less above vertical gravity will pull the unit down.