Environment Report 2017

ENVIRONMENT REPORT 2017

N

O

Nitrous oxide

2

NORM

Naturally occurring radioactive materials

NO

Nitrogen oxides

x

OCNS OGA OPEP OSPAR

Offshore Chemical Notification Scheme

Oil and Gas Authority

Oil pollution emergency plan

The OSLO and Paris Convention for the protection of the marine environment of the North East Atlantic

PFCs

Perfluorocarbons

PLONOR

Pose Little Or NO Risk – used by OSPAR to classify substances used and discharged offshore

PON1

Petroleum operations notice

Produced water

Water that comes to the surfacewith hydrocarbons during production, either naturally from the reservoir or after injection into the reservoir to displace oil and lift it to the surface. The total annual production divided by the maximum production potential of all fields on the UK Continental Shelf

Production efficiency

SF

Sulphur hexafluoride

6

SO

Sulphur oxides

x

SUB

SUB chemicals are those classified under OCNS as harmful and should be phased out and substituted with a less harmful substance. A class of organotin compound commonly known as bottom paint applied to the hulls of ocean-going vessels or offshore installations

TBT

TWG UKCS

Technical working group UK Continental Shelf

Venting

The controlled release of gases into the atmosphere in the course of oil and gas production operations

VOCs

Volatile organic compounds

Well stream fluids

A term used to describe the total mass of fluids moving through the production systems. This includes produced water and oil in produced water; the produced water and oil reinjected; the total hydrocarbons produced (gas, oil and condensate).

60