|LNG Capability and Experience|
WorleyParsons’ experience in greenfield LNG developments extends from opportunity evaluation, concept/technology selection, FEED and EPCM, to commissioning, start up and operations support. Along with our joint venture partners we have pioneered
the development of the world’s first moduralized LNG plants including the North West Shelf Phase V Development and the Pluto LNG project.
Expansion of existing LNG facilities is becoming more prevalent as LNG demand increases. WorleyParsons has extensive experience in plant optimization and brownfield LNG projects including the coordination of expansion projects with existing operations. Our work has covered Australia, Asia, and the Middle East.
Offshore projects require many design considerations to be integrated into the
development process, making strong offshore experience a vital success factor.
WorleyParsons’ offshore heritage, coupled with our LNG experience, puts us at the
forefront of developments in offshore LNG. This is exemplified by our key role in the
conceptual engineering phase of what is planned to be the world’s largest offshore
WorleyParsons has the expertise to deliver both small and large LNG terminal/regasification developments and has particular strengths in the application of novel concepts and innovative designs. Our experience in floating production and off loading systems, combined with expertise in pipelines, storage, loading and regasification, makes WorleyParsons a contractor of choice to perform terminal
designs and construction management.
|Mid and Small Scale LNG
Mid and small LNG plants are becoming increasingly prevalent in the industry and are particularly important for monetizing stranded gas, debottlenecking existing facilities and providing the growing transport fuel market. WorleyParsons has a variety of experience in these smaller scale LNG projects including both mid (<2 MTPA) and small (<0.2 MTPA) facilities.
WorleyParsons is a recognized global leader in the modularization of process plants, with experience spanning from the North Slope of Alaska to the Caspian region and the remote North West Shelf of Australia. In conjunction with our joint venture partners, we have used this experience to pioneer modularization in LNG plants. LNG modularization has been proven to reduce costs, schedule, industrial relations risks and environmental impacts and is particularly applicable to remote regions and those with high local labor costs.
LNG developments can have considerable infrastructure requirements which often comprise a significant portion of the total capital cost and are usually a schedule constraint and a key environmental risk of a project. WorleyParsons has a large infrastructure group
with a track record in delivering outstanding integrated solutions to onshore and offshore LNG facilities. We can address all the infrastructure needs of a LNG project including geosciences, ports and jetties, dredging, coastal analysis and civil engineering.
Environmental decisions made during all phases of a project are a major determinant of the ultimate business outcome of the project. WorleyParsons’ global team of over 500 professionals in environmental sciences assists customers throughout the project life cycle, from data acquisition, decision making and design through to project implementation, operations and decommissioning.
WorleyParsons has over 32,200 people in offices across 38 countries and this enables us to provide our customers with local presence, local knowledge and
local understanding in virtually all parts of the world where LNG developments are contemplated. Our commitment to local presence enables us to bring this local knowledge and relationships to our customers’ projects often making WorleyParsons the partner of choice for LNG projects.
Select, the specialist front-end division of WorleyParsons, utilizes extensive experience in total project delivery to aid customers in making the correct decisions during the initial stages of an LNG project in order to lock in the greatest value for the ultimate business outcome. Such decisions can include, technology selection, plant configuration, plant sizing, site selection together with determining the optimal contracting and construction strategies.
Pluto LNG Development
Customer: Woodside Energy Ltd
|Woodside is developing its Pluto
offshore gas field through an offshore production
system and an onshore LNG production plant with an initial capacity of five to six
million tonnes per year. WorleyParsons has key roles in the FEED and EPCM joint
ventures executing the offshore platform, onshore plant facilities and associated
site infrastructure and marine facilities. The development scope includes a series
of deepwater subsea wells, tied back by flowlines to a remotely operated platform
which will export the gas to an LNG plant via a subsea trunkline. The onshore
LNG facilities include slug-catchers, gas pre-treatment, liquefaction, fractionation
and storage facilities together with utilities and LNG loading jetty.
Papua New Guinea LNG Project
InterOil identified a project development concept for the commercialization of gas resources within PNG through an LNG export facility. WorleyParsons Select was engaged to determine the technical feasibility of the project, quantify the cost and schedule for the project execution, and provide input for the project economics. WorleyParsons brought a unique blend of LNG, PNG, pipeline and infrastructure experience to the project to address the entire project scope, including elements such as compression stations; onshore, nearshore and offshore pipelines; reception
facilities; LNG facilities and technology selection; LPG facilities infrastructure; and jetty and loading equipment. WorleyParsons’ Select also addressed contracting strategies, major execution risks, construction methodology and project schedule.
|Papua New Guinea|
Design Engineering Managing Contract
Customer: Brunei LNG
|WorleyParsons conducted extensive services for a series of modifications to the Brunei LNG plants to extend the life of the facilities for a further 30 years. The work undertaken included the preparation of screening studies, feasibility studies, basis of design, basic design and engineering packages, detailed design and EPC contract documents. WorleyParsons also managed consultants and supplied specialist personnel on secondments to Brunei LNG, and is currently providing the Integrity and Business Improvement services for the operating asset.|
Extended Liquefaction Study
Customer: Woodside Energy Limited
Select conducted a study to determine the feasibility of operating an
existing base load LNG facility in extended end flash mode and
reliquefying the increased boil-off gas (BOG), essentially increasing
the LNG capacity of the plant by 1 MPTA. The study confirmed that
installation of additional BOG compression would increase LNG
production and that BOG could be liquefied without further treatment
and returned directly to the LNG tanks for loading. The re-liquefaction
facility design was based on a single mixed refrigerant process, the
most appropriate for 1 MTPA plants. The study also optimized the
overall configuration within the constraints of the existing plant and
developed layouts and cost estimates to support both the
greenfield portion and the significant brownfield modifications required.
Browse LNG Development
Customer: Woodside Energy Ltd
and its partners have extensive gas reserves in the Browse Basin off
Western Australia’s Kimberley coast and is planning on using these as
the basis of a new LNG production hub in this region. Woodside has
engaged a WorleyParsons Select joint venture to undertake the
conceptual studies required in order to advance the project to Phase 3 (FEED). The initial development concept involves offshore and/or onshore facilities and 1-3 liquefaction trains with capacity to process up to 15 million tonnes of LNG per year.
Singapore LNG Terminal
increase the security of Singapore’s domestic gas supply, PowerGas is
constructing the nation’s first LNG regasification terminal on Jurong
Island. WorleyParsons is providing the basis of design and front-end
engineering design including: the development of the EPC contractor
tender documents and wubsequent evaluation and recommendations.
in hydrocarbons, power and infrastructure coupled with a 20 year heritage in Singapore, and a global process capability are critical to the success of this important project..
PMC Services for Jiangsu/Dalian/Tangshan LNG ReGasification Terminals
project involved establishing a project managemnt framework including
an execution plan and associated procedures, for PetroChina to manage
the delivery of the three LNG re-gasification projects. The initial
configuration of each termial consited of 3.5 million tonnes per annum
receiving capacity with two storatge tanks, each of capacity 160,000
cubic metres. The scope also included a detailed peer review of the
FEED for the Jiansu terminal to be build on a man made island with
a 2km long jetty and LNG regasification by both Open Rack Vaporiser (ORV) and Submerged Combustion Vaporiser (SCV). The peer review associated with this terminal was conducted to ensure that the engineering met the requirement for a ±10% capital estimate and contain sufficient information for a rapid EPC contract award.
PTTEPS LNG Plant
Customer: Thailand PTTEPS
proposed to install an LNG facility for the S1 Production Station in
Lankrabrue, Kampangphet province, Thailand. WorleyParsons
conducted the feasibility study for a small scale LNG plant to produce
vehicle transportation fuel. The project consisted of
pre-treatment, liquefaction, storage and loading systems for road
evaluated various liquefaction technologies for plant sizes from 5 - 20 mmscfd of feed gas to determine the most suitable LNG process. The study provided cost estimates, equipment layouts, utility requirements, driver selection and thermal efficiency estimates.
North West Shelf LNG Phase V Expansion Project
Customer: Woodside Energy Ltd
US$2B LNG expansion of the Karratha Onshore Gas Plant pioneered
modularization for LNG plants. It was the first large scale
liquefaction plant in the world to be designed and built in
pre-assemblied modules and racks. The key components of the facility
consisted of more than 70 modules constructed in Batam, Indonesia and
shipped to the Australian coastal site on some of the world’s largest
heavy transport ships. The tallest and heaviest pre-assembly was 36m
high and weighed 2,000 tonnes. WorleyParsons, as part of a joint
venture, is providing EPCM
services. The scope includes the design, construction and commissioning of a fifth liquefaction train, together with an additional fractionating unit, acid gas recovery unit, boil-off gas compressor, two new gas turbine power generation units, a second loading berth, a new fuel-gas system compressor and other related facilities.
The NWSV LPG and LNG Jetties
Customer: Woodside Energy Limited
North West Shelf Venture’s LPG and LNG berths are located adjacent to
NWS LNG production plant and are utilized for the export of LPG and LNG
cargos. Safety of the cargo and vessels is a primary requirement, which
is heavily dependent upon vessel conditions at the berth and in the
channels. WorleyParsons performed a detailed numerical vessel motion
and mooring analysis study for these facilities using in-house computer
modeling capabilities. The limiting conditions for mooring lines were
assessed to determine the maximum allowable cyclonic swell conditions
at the berth. Under keel clearances along the shipping channel were
also analyzed and
the results formed the basis of port operating procedures.
Gorgon LNG Development
|WorleyParsons has been involved in the infrastructure elements of the Gorgon project for both its Barrow Island site and earlier Burrup Peninsula study. WorleyParsons provided civil and marine engineering advice from site selection to preliminary concept definition, including cost estimates and scheduling. WorleyParsons also undertook preliminary nearshore and onshore geotech investigations for the Gorgon project marine facilities and pipeline crossings on Barrow Island - a Class ‘A’ nature reserve - carrying out Karstic hazard and risk assessments of coastal limestones at the proposed plant and port sites and near-shore geotechnical investigations for the LNG export marine facilities and feed gas pipeline shore crossings.|
Economic Analysis of Environmental Options for Offshore LNG Development
Customer: Woodside Energy Limited
|WorleyParsons provided a strategic analysis of the costs and environmental benefits (private and societal) of engineering design options for a major offshore LNG development. The analysis identified the most environmentally and socially beneficial designs and development approaches. The project included a fully integrated environmental analysis at each stage of the engineering design process along with detailed economic analyses to identify the most socially and environmentally beneficial engineering design approaches for each stage of the project.|
Customer: Union Fenosa
|WorleyParsons carried out comprehensive environmental and social impact assessment studies for Egypt’s first major LNG project located on the Mediterranean Coast. The work included baseline surveys, impact assessment, social consultation and public meetings, and the project was granted full approval by the Egyptian Environmental Affairs Agency. WorleyParsons also provided construction monitoring services and continues to provide comprehensive environmental monitoring services for onshore and offshore ongoing operations including seawater, sea sediment, effluent and groundwater quality monitoring.|