A small reservoir of stored energy, usually compressed nitrogen, designed to boost hydraulic pressure signals between surface and subsea equipment in deepwater applications to ensure rapid valve operation times.
Authorization for expenditure.
As low as reasonably practicable.
A numeric standard for crude oil density published by the American Petroleum Institute.
Arms attached to the top drive, one on either side, from which hang the elevators used to engage drilling pipe or well test tubing. They allow flexibility while the elevators pick up pipework and tubing—also known as Bail Arms or Elevator Links.
Any physical means for containing reservoir pressure. Well testing barriers ...