Produced Water Sampling Guidelines

Guidance Notes for The Sampling and Analysis of Produced Water and Other Hydrocarbon Discharges

The Offshore Petroleum Activities (Oil Pollution Prevention and Control) Regulations 2005

Energy Development Unit Offshore Environment and Decommissioning (EDU-OED)

Version 2.1: August 2010

1

CONTENTS 1 1.1 1.2 1.3

DEFINITIONS AND ABBREVIATIONS Definitions Normative References Abbreviations

Page 6 6 7 8

2

POINT OF CONTACT

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3 3.1

INTRODUCTION The Offshore Petroleum Activities (Oil Pollution Prevention and Control) Regulations 2005 (OPPC) OPPC - Dispersed oil in produced water discharges to sea Objectives of the guidance notes

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PRODUCED WATER SAMPLING AND ANALYSIS REQUIREMENTS FOR OFFSHORE OIL AND GAS FACILITIES LOCATED IN THE UKCS Offshore sampling general guidance Offshore installations discharging >2 tonnes of dispersed oil to sea per annum Offshore installations discharging 2 tonnes of dispersed oil to sea per annum

(a)

Manned installations: at least two samples per day are required to be taken and analysed in order to comply with permit schedule conditions. These samples will be taken at approximately equal intervals, using the sample points described in section 5. Unmanned installations: at least one set of produced water samples should be taken during each visit to the installation. Should the installation be temporarily manned for more than 48 hours, additional samples shall be taken every 48 hours for analysis.

(b)

4.3 (a)

Offshore installations discharging