Ninian Pipeline System Infrastructure Specific Information
General Specification for New Entrant Pipeline Liquids.
True Vapour Pressure
('TVP')

Maximum of 220 psia at 100°F
Sediment and Water



Maximum of 2% by volume, provided that New Entrant Pipeline Liquids are
essentially free of sediment.
Sediment not to exceed 0.2% by volume.
Produced Water shall be made compatible [at the cost of the New Entrant] with
water produced by other NPS users.
pH

pH value to remain within the following limits. (7 < pH < 8).
Salt Content

Maximum of 1,500 milligrams per litre.
Viscosity

Maximum of 15 centistokes at 4°C.
Hydrogen Sulphide


The H2S content of Crude Oils shall be such that the H2S in the fuel gas evolved
from the SVT De-ethaniser shall not exceed 200 ppm vol.
Maximum H2S level of incoming Pipeline Liquids shall not exceed 2.1 mg/1
Carbon Dioxide

Maximum of 0.25% by weight.
Carbonyl Sulphide

Maximum of 0.02 ppm by weight.
Acidity

The total acidity number shall be no greater than 0.05 mg of potassium hydroxide
per gram of stabilised Pipeline Liquids.
Nitrogen

Maximum of 0.2% mol.
Mercaptans

Maximum of 0.1 ppm by weight as sulphur of volatile mercaptans.
Metal Content

Vanadium plus nickel shall not exceed 5 ppm by weight.
Mercury

New Entrant Pipeline Liquids shall not contain mercury as metal or as volatile
organic mercury compounds.
Emulsions

When new Entrant Pipeline Liquids are mixed with those of other NPS users, they
should not form emulsions which are stable at temperature at or above 40°C and
pressure at or above one atmosphere
Methanol

Methanol to be reported if present.
Inlet Pressure at the
common manifold on
Ninian Central Platform


Must not exceed 50 Bar G (725 psig), unless agreed by the Pipeline Operator.
Pressures above this limit can impact other Pipeline users
Inlet Temperature of Ninian
Pipeline

Maximum of 65.6°C (150°F).