Download - Paper09 Zamriahmad Petronas Pmu
Installation of Pipeline End Manifold (PLEM)
and Subsea Tie-In of Expansion Spools
Zamri B Ahmad Petroleum Management (PMU),
PETRONAS
© 2011 PETROLIAM NASIONAL BERHAD (PETRONAS) All rights reserved. No part of this document may be reproduced, stored in a retrieval system or transmitted in any form or by any means (electronic, mechanical, photocopying, recording or otherwise) without the permission of the copyright owner.
PETRONAS-PETRAD-INTSOK-CCOP
Deepwater Subsea Tie-Back Workshop 25 – 26th January 2011
• INTRODUCTION
• Background Information
• Scope of Presentation
• INSTALLATION PRELIMINARIES
• Pipeline End Manifold (PLEM)
• Expansion Spools
• Installation Barge
• Final Assembly
• INSTALLATION PROCEDURE
• Pipeline End Manifold (PLEM)
• Expansion Spools
• Final Assembly
• CONCLUSION
OUTLINE
1
Introduction Installation Preliminaries Installation Procedure Conclusion
2 2
Pipeline End Manifold (PLEM):
• commonly used for subsea manifold to tie-in of underwater pipelines.
• used to comingle 2 or more pipelines together and eliminate the
need for additional risers.
INTRODUCTION:
Background Information Introduction Installation Procedure Installation Preliminaries Conclusion
3
Introduction Installation Procedure Installation Preliminaries Conclusion
INTRODUCTION:
Background Information
4
Introduction Installation Procedure Installation Preliminaries Conclusion
INTRODUCTION:
Background Information
5 5
Installation of PLEM and expansion spools:
• require great precision
• sensitive to weather conditions
• high installation cost
INTRODUCTION:
Background Information Introduction Installation Procedure Installation Preliminaries Conclusion
1. Installation of PLEM.
2. Installation of 2 expansion spools.
6
INTRODUCTION:
Scope of Presentation
CPP
PLEM
MOPU 1
MOPU 2
10” 6km
16” 25km
Introduction Installation Procedure Installation Preliminaries Conclusion
Designed Weight: ~ 70 MT
Dimension: 14m x 6m
Water Depth: 114ft (43.9m)
7
INSTALLATION PRELIMINARIES:
Pipeline End Manifold (PLEM) Introduction Installation Procedure Installation Preliminaries Conclusion
8
INSTALLATION PRELIMINARIES:
Pipeline End Manifold (PLEM) Introduction Installation Procedure Installation Preliminaries Conclusion
Expansion Spool at Pipeline / PLEM Expansion Spool at PLEM / MOPU
16” diameter
Full Well Stream (FWS)
9
INSTALLATION PRELIMINARIES:
Expansion Spools Introduction Installation Procedure Installation Preliminaries Conclusion
10
INSTALLATION PRELIMINARIES:
Expansion Spools Introduction Installation Procedure Installation Preliminaries Conclusion
DP DLB Lewek Champion
• 358 person accommodation
• 1 x 800MT main crane
• 2 x 30MT secondary crane
• Dynamic Positioning with 6 Azimuth thrusters (max thrust 378.7kN)
11
INSTALLATION PRELIMINARIES:
Installation Barge Introduction Installation Procedure Installation Preliminaries Conclusion
PLEM
Expansion
spool
Pipeline to CPP
MOPU Leg
Footing
Expansion
spool
12
For future
expansion
INSTALLATION PRELIMINARIES:
Final Assembly Introduction Installation Procedure Installation Preliminaries Conclusion
13
INSTALLATION PROCEDURE:
Pipeline End Manifold (PLEM)
PLEM
Pre-installation:
USBL
beacons
Introduction Installation Procedure Installation Preliminaries Conclusion
14
INSTALLATION PROCEDURE:
Pipeline End Manifold (PLEM)
Barge setup for PLEM installation
Introduction Installation Procedure Installation Preliminaries Conclusion
15
INSTALLATION PROCEDURE:
Pipeline End Manifold (PLEM)
PLEM footprint and debris survey.
Introduction Installation Procedure Installation Preliminaries Conclusion
Stage 2 Stage 1 Stage 3 16
INSTALLATION PROCEDURE:
Pipeline End Manifold (PLEM) Introduction Installation Procedure Installation Preliminaries Conclusion
Barge Set-Up for Pipeline /
PLEM Spool Installation
17
INSTALLATION PROCEDURE:
Expansion Spools Introduction Installation Procedure Installation Preliminaries Conclusion
Pipeline on an A Frame
18
INSTALLATION PROCEDURE:
Expansion Spools
Lifting Riggings on Expansion Spool
Introduction Installation Procedure Installation Preliminaries Conclusion
INSTALLATION PROCEDURE:
Expansion Spools
Stage 2 Stage 1 Stage 3 19
Introduction Installation Procedure Installation Preliminaries Conclusion
20
INSTALLATION PROCEDURE:
Expansion Spools
Expansion spool tie-in to PLEM
Introduction Installation Procedure Installation Preliminaries Conclusion
SPOOL PLEM
21 +/- 300mm
INSTALLATION PROCEDURE:
Expansion Spools
2
Introduction Installation Procedure
1
Installation Preliminaries Conclusion
22
INSTALLATION PROCEDURE:
Expansion Spools
Expansion spool tie-in to pipeline
Introduction Installation Procedure Installation Preliminaries Conclusion
Flange Protector Drawings
23
INSTALLATION PROCEDURE:
Expansion Spools Introduction Installation Procedure Installation Preliminaries Conclusion
Barge Set-Up for PLEM / MOPU
Spool Installation
24
INSTALLATION PROCEDURE:
Expansion Spools Introduction Installation Procedure Installation Preliminaries Conclusion
25
INSTALLATION PROCEDURE:
Final Assembly Introduction Installation Procedure
PLEM
Expansion
spool
Pipeline to CPP
MOPU Leg
Footing
Expansion
spool
Installation Preliminaries Conclusion
26
Similar approach is used for deepwater installation.
However, the challenges are greater. Due to the depth;
• human divers are out of bound. Thus extensive use of ROVs
• high-accuracy beacons are needed for positioning.
• DP vessel are required as apposed to anchor handling.
CONCLUSION:
Introduction Installation Procedure Installation Preliminaries Conclusion
27
THANK YOU
Introduction Installation Procedure Installation Preliminaries Conclusion