PWSM Logic Real Time Produced Water And Sand Treatment Optimization System Product Sheet

User Manual: Resource Library

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APPLICATIONS

■ Produced water and sand treatment

■ Integrated operations

■ Remote and satellite production

■ Operations with unstaffed platforms

FEATURES

■ Fully automatic tuning

■ Programmable logic controller (PLC) with

advanced control algorithms

■ Continuous oil-in-water (OIW)

monitoringcapabilities

■ Automatic adjustment forpeakdischarge

■ Detailed diagnostic picture

BENEFITS

■ Ensures lowest possible OIW discharge

■ Optimizes treatment and cleaning

efficiency of the entire produced

watersystem

■ Decreases reject waste stream generation

and flotation gas consumption

■ Reduces personnel requirements

andHSE risk

■ Minimizes tuning errors

The PWSM Logic* real-time produced water and sand treatment optimization system automatically assures

the lowest-possible OIW volume for discharge to the sea or for reinjection. A reliable and cost-efficient

alternative to manually controlled produced water and sand treatment systems, the PWSM Logic system

constantly monitors all input and output of the system, including

■ flotation gas

■ produced water

■ reject differential pressure ratio

■ reject flow rates

■ OIW content.

Eliminating human error

Discharge peaks often govern the overall average OIW discharge, particularly in challenging

offshore fields. The need to precisely tune produced water and sand treatment equipment to meet

real-time conditions led Cameron to develop the automated PWSM Logic system for use with EPCON

CFU technology. System applications have expanded to fit any Cameron produced water and sand

management system, including CYCLOTECH P Series* preseparation hydrocyclone technologies,

CYCLOTECH B Series* deoiling hydrocyclone technologies, and theEPCON Degasser* produced water

degassing vessel.

Typically, equipment used to treat produced water were manually tuned and relied on laboratory OIW

analysis, visual inspection of various sample points, and manual valve setting. This approach required the

best judgment of the equipment operator, which can lead to misjudgments andmistakes.

PWSM Logic

Real-time produced water and sand treatment optimization system

An integrated component of PWSM Logic system is the EPCON RC* reject control system, which monitors and controls

the reject stream from EPCON CFU* compact flotation unit technology. The combination enables precise quantification

and minimization of reject flow.

The PWSM Logic system enhances Cameron produced water and sand treatment technologies,

allowing the lowest-possible OIW discharge to the sea at any time during the operation, which is

impossible with a manually tuned system. Additionally, during the frequent process upsets that occur

at production facilities, the automated PWSM Logic system has shown considerably improved quality

to meet discharge and reinjection requirements.

*Mark of Schlumberger

Other company, product, and service names

are the properties of their respective owners.

Copyright © 2016 Schlumberger. All rights reserved. PRS-1043

cameron.slb.com/oilremoval

PWSM Logic

High-pressure

separator

Oil export

EPCON CFU

technology

CYCLOTECH PECT-F*

performance-enhancing

fiber-based coalescence

technology

Reject tank To flare

Oil export

CYCLOTECH B Series*

deoiling hydrocyclone

technologies

B Series

technologies

Degasser

and polishing

equipment

Flotation gas

To sea

From wells

Low-pressure

separator

Oily water

Oil

Gas

Flotation gas

Clean water

The automatic control system of the PWSM Logic real-time produced water and sand treatment optimization system removes offshore operating personnel

from the tuning process, optimizing efficiency and mitigating HSErisks. Red arrows show where in the produced water and sand management system the

PWSM Logic system can be implemented for monitoring and controlling operation parameters.