Page 30 - Gi flipbook September 2018

Staying the course

change requests. They can has been dealt with. Each iteration QUEENSLAND CURTIS LNG
electronically track progress, using adds time and cost.
the current status to ensure the right With software marshalling, (QCLNG): THE WORLD’S
people are quickly informed of any additional signals and changes to FIRST COAL SEAM GAS
changes, quickly determining the signal types, such as from digital to TO LNG PROJECT
impact change requests have on cost analogue, can be accommodated more
and schedule. easily. Using virtualisation, emulation QUEENSLAND IS one of the most
and simulation, the application abundant regions for coal seam gas
SOFT MARSHALLING software can now be tested without in the Pacific basin. In phases, QGC,
Traditionally, hardware engineering, the hardware, so the hardware can be a leading Australian coal seam gas
such as field cabling design, and shipped to site earlier. Additionally, explorer and producer, wholly
software engineering, including I/O Select I/O, a single-channel, flexible owned by Shell Australia, is
allocation, have been inextricably linked I/O developed by ABB, allows each I/O expanding its coal seam gas
with a sequential, task-orientated, channel to remain flexible and production in the Surat and Bowen
project workflow. Expensive junction undeclared until very late. basins in Queensland.
boxes and cabinets were required to Once the application software is fully
marshal the I/O signals in multi-core tested via cloud computing, and the PROJECT HIGHLIGHTS:
cables towards a particular hardware has been installed and tested • 1,600 to 6,000 wellheads
programmable controller I/O system. on-site, using signal names (tags) the two • 24 compression stations
These, in turn, required fusing, signal decoupled elements can be plugged • 540km pipeline
conditioning using external equipment together to allow commissioning. • 3,500km of gas and water
and cross-wired to designated I/O gathering systems
modules before being coupled to a CONCLUSION • 8.5 million tonnes per annum
particular programmable controller. The delays and budget overruns (mtpa) LNG plant
The serial workflow is the result of common to traditional project ABB is the main automation
the hardware engineering execution approaches are contractor (MAC) supplying
traditionally having to be completed unsustainable. Fortunately, emerging automation, electrical and
before the software engineering task technologies offer a new route telecommunications systems
of I/O allocation. Often several forward which not only saves time including project management to
iterations of this serial execution are and money but actively encourages deliver a fully integrated solution. As
required before all the project I/O collaboration. ■ the MAC, ABB is providing interface
management of the engineering
suppliers, ensuring common supply
THE TRANS-ANATOLIAN office is being retained for the life of and responsibility for the data
NATURAL GAS PIPELINE the project and is the focus for transfer between parties. The project
(TANAP) PROJECT interfacing with TANAP during the was split between ABB in the UK and
design and testing phases. It will also
Australia with over 130 engineers
support the site work through the active between the two countries.
THE TANAP PIPELINE is the largest construction, commissioning and Using the project execution
section of the $45 billion, 3,500km completions works. model described here, ABB has
Southern Gas Corridor, which will The core engineering and reduced engineering and design
transport gas from the Shah Deniz 2 management team is from ABB in cycle times, achieved shorter
field in the Caspian Sea to join the the UK and Turkey. ABB is procurement cycles and improved
European network in Italy. TANAP is responsible for the design and engineering data management
a company formed for the execution management of its own and other while delivering a lower cost of
of the project, with SOCAR of subcontract packages. The project ownership along with efficient
Azerbaijan, BOTAS of Turkey and BP execution strategy for non-ABB process and system availability.
as shareholders. packages is for subcontractors to Collaboration made easier through
The gas pipeline will include seven provide fully engineered and tested digitalisation is enabling the efficient
compressor stations, four measuring packages to meet project phased commissioning of the
stations, 11 pigging stations, 49 block specifications and requirements QCLNG project. The control system
valve stations and two off-take under ABB management. has been expanded, for example,
stations. The TANAP system will be The modern project execution without having to shut down parts of
fully automated with main and model described in this article is the plant. ABB was also able to
back-up control centres to meet the being used on this project. ■ replicate and reuse tried and tested
requirements of gas transmissions solutions from other projects. ■
and associated environmental and Main control
safety considerations. centre design QGC
The project is being executed from
the ABB Main Execution Centre in St
Neots, in the UK, and a new TANAP
project office, located in Ankara. This

The QCLNG site

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