iQuantify the benefit
A study that proposes new separation or treatment capacity must state the recoverable oil or avoided deferral in barrels a day, with the basis. "Improves crude quality" is a direction, not a benefit. Without the number the economics cannot be run and the project cannot be ranked against the alternatives competing for the same shutdown window.
iiValidate the fluids
Correlation-based sizing is a starting point. It becomes fit for a decision when the field fluids, emulsion behaviour, bottle tests and chemical performance have been measured and the correlation has been checked against an operating train in the same field. A study basis that assumes 80 per cent water cut and a particular reservoir blend is a basis. It should not travel into other documents as a measurement.
iiiIntegrate with the system
New capacity at one facility changes the water routed to disposal, re-injection and ponds, the loading on transfer lines, and the operating envelope of the trains upstream. A concept that does not show its integration with those systems has not shown its benefit either, because the limit may simply move.
ivOperability, utilities, season, construction, economics
Fouling of internals, sand, scale and pressure drop. Maintainability. Heating and energy demand. Control and reliability. The seasonal performance envelope. Construction, shutdown and simultaneous operations. The project economics. Each is either covered or listed as open. The review says which, and gives a verdict: approve, approve with conditions, hold, or do not approve.
vWhy hold is a useful answer
In the review in our selected work the verdict was hold, with a numbered gap list and alternative hybrid cases to study alongside the base case. That is better for the project than approval, because the next revision knows what to close, and better than rejection, because the useful idea survives.
A concept study earns its next gate by closing named gaps, not by adding pages.