Integrity monitoring for subsea tie-backs - NORWEP · Permanent Monitoring • Subsea sand monitoring per well • Erosion monitoring per well • Corrosion monitoring on critical

ULTRASONIC INTELLIGENT SENSORS

• Integrity monitoring for subsea tie-backs

• NORWEP – Cairo February 2017

• Kjetil Nysæter


Who are we?

- World’s biggest supplier of Acoustic instrumentation for Oil & Gas industry

- Private, Norwegian company

- Founded in 1994

- 105 employees

- Sand monitoring

- Corrosion monitoring

- Erosion monitoring

- Vibration Monitoring

- PIG detection

- Leak monitoring

Acoustic Leak detection in Bergen, anno ~1940


Subsea tieback to shore Challenges

• Time delay (long distance to shore)

• Remote

• Erosion

• Corrosion

• Clogging


How can we help

Permanent Monitoring

• Subsea sand monitoring per well

• Erosion monitoring per well

• Corrosion monitoring on critical lines

• Vibration monitoring on flex loops, connectors, risers, etc.

• Pig detection / monitoring

• Valve leak detection

Temporary Inspection

• Stand alone subsea and topside sand monitoring

• Subsea wall thickness measurements (UT)

• Subsea stand alone vibration monitoring

• Subsea and topside stand alone pig detection


Agenda

• Acoustic sand detectors (ASD)

• Acoustic PIG detection

• Acoustic leak detection

• Corrosion and Erosion Monitor (CEM)

• Vibration monitor


ASD – Acoustic sand detector

• Monitor sand production per well

• Non intrusive (not in contact with the flow)

• Passive acoustic (listen to the impact of solids / particle)

• Instant sand alarm

• Can quantify sand production

• 3000+ units installed subsea

• Interface with SPS


ASD – Acoustic sand detector

MSFR (Maximum sand free rate)

• Assets not designed for sand production – No sand tolerated

• Quantification of sand monitoring system not required

• No requirement for advanced system with process data input

• Instant alarm on sand production

• Qualitative measurements

MASR (Maximum accepted sand rate)

• Assets producing sand and can tolerate certain amount of sand

• Quantification required

• Process date required

• Accuracy important

• Instant sand alarm based on amount

• Quantitative measurements


Subsea ASD

Subsea Christmas tree with ASD installed


APD – Acoustic pig detector

• Detects pig passage by acoustic and magnetic sensing


• Passive acoustic (listen to the sound of PIG)

• Instant indication


• Topside and subsea


ALD – Acoustic leak detector

• Detects local leaks across valves, topside and subsea


• Passive acoustic (listen to the sound of leakage)

• Instant indication


• Used for safety critical valves


CEM - What is it?

Permanent “active” acoustic, non intrusive wall thickness monitoring system.


Topside system


Retrofit solutions / standalone Pre installed, non retrievable, interfaced Pre installed, retrievable electronic , interfaced

Subsea system


References

Total – Laggan - Tormore

Application: Erosion

Type: Integrated

QTY: 10

Integrated Non retrievable configuration, erosion monitoring


References

Total - Edradour

Application: corrosion

Type: standalone

QTY: 1

Standalone, battery powered, onboard data storage. Installed on pipeline prior to “reel out” 180 deg pivot


References

BP - GOM


Type: standalone

QTY: 1

Standalone, battery powered, onboard data storage, acoustic coms by Sonardyne modem, fully retrofitted


References BP – GOM & Murphy - Kikeh


Type: integrated

QTY: 4

Integrated, connected to subsea controls.


References

Burullus – WDDM Ph 9a


Type: standalone

QTY: 8

Standalone, battery powered, onboard data storage


References

Statoil – Mikkal Åsgård

Application: erosion

Type: standalone

QTY: 12

Fully integrated, frequent measurement trough bend


Subsea measurements - GOM


Subsea measurements - Burullus

Measurements within +/- 0,02 mm


Vibration Monitor


VIV (Vortex induced Vibration) o Ocean current causing low frequency vibration to

structures, flow lines, jumpers, risers etc.

o Low frequency, 0,01 – 2Hz


FIV (Flow induced Vibration) o Multiphase flow causing vibration to flow lines,

flex loops, etc.

o Medium frequency, typically 2-50Hz

o Vortex shedding

o Slugging

o Turbulence

o Fluttering / Galloping


FLIP (Flow Line Induced Pulsation) o Flexible risers or flexible connectors

o High frequency, typically 50-1000hz

Source:


o Real-time data

o Instant alarm

o Always present

o Data from 0-day

o Fatigue estimate

o No running costs

o SIIS L2 and 3

Permanent/Integrated solution

Monitor installed on 2” injection line


Temporary / inspection

• Stand-alone

• No integration

• Internal battery

• Up to 6 month operation per charge

• Local indication

• Light weight

• Mechanical and magnetic fixtures

• No bandwidth restrictions

• Continuous raw data logging



References (Egypt)

OPERATOR PROJECT MODEL TOPSIDE / SUBSEA

COUNTRY ORDER

RECEIVED

BP Hapy ClampOn DSP Particle Monitor Topside Egypt 2006

BP Saqqara ClampOn DSP Particle Monitor Topside Egypt 2006

BP Saqqara ClampOn DSP PIG Detector Topside Egypt 2006

BP Saqqara ClampOn DSP Particle Monitor Topside Egypt 2007

Burullus

Scarab, Saffron & Simian

ClampOn DSP Particle Monitor Topside Egypt 2007

ENI West Ashrapi ClampOn DSP PIG Detector Topside Egypt 2007

Gupco/BP Taurt ClampOn DSP Compact Particle Monitor Subsea Egypt 2007

Burullus Rosetta ClampOn DSP Corrosion-Erosion Monitor Topside Egypt 2008

Burullus West Delta Deep Marine ClampOn DSP Particle Monitor Topside Egypt 2009

Burullus Rosetta ClampOn DSP Corrosion-Erosion Monitor Topside Egypt 2010

Burullus Scarab Saffron ClampOn DSP Particle Monitor Topside Egypt 2010

Gupco Hapy & West Akhen ClampOn DSP Particle Monitor Topside Egypt 2011

Burullus Scarab / Safron ClampOn DSP Compact Particle Monitor Subsea Egypt 2012

BP East Nile Delta ClampOn DSP Compact Particle Monitor Subsea Egypt 2013

Burullus West Delta Deep Marine ClampOn Subsea Corrosion-Erosion Monitor Subsea Egypt 2013

BP Taurus & Libra ClampOn DSP Compact Particle Monitor Subsea Egypt 2014

Gulf of Suez Petroleum Saqqara ClampOn DSP PIG Detector Topside Egypt 2015

Pharaonic Petroloeum Akhen/Hapy ClampOn DSP Particle Monitor Topside Egypt 2015


Thank you for your attention!

Any questions?

Kjetil Nysæter

ClampOn [email protected]

www.clampon.com

mailto:[email protected]

Integrity monitoring for subsea tie-backs - NORWEP · Permanent Monitoring • Subsea sand monitoring per well • Erosion monitoring per well • Corrosion monitoring on critical

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Integrity monitoring for subsea tie-backs - NORWEP · Permanent Monitoring • Subsea sand monitoring per well • Erosion monitoring per well • Corrosion monitoring on critical