Page 21 - OGA-Sept-2015
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THIS MONTH
OIL & GAS AUSTRALIA

Valve supply deal signed for Gorgon

BIRMINGHAM-based critical flow solutions IMI Critical Engineering will provide some 3,600 to antisurge and hot gas bypass. The largest of
company IMI Critical Engineering has valves to the LNG plant serving the Gorgon these valves were 36-inch inlet and outlet with
signed a contract worth about €70 million project. Image courtesy IMI Critical Engineering. plugs weighing more than one tonne which
to supply about 3,600 valves to the Gorgon were capable of moving full stroke in less than
gas project. IMI Critical Engineering said this level of one second.
reliability was key given that an unscheduled
The company will provide its ball, control shutdown could cost upwards of US$10 million The triple eccentric butterfly valves from
and triple eccentric butterfly valves to the each day in lost revenue. IMI Orton were chosen for their proven
dedicated liquefied natural gas (LNG) plant performance and Orton’s ability to design fully
serving the Gorgon gas project, located The control valves selected were specified to replaceable sealing elements.
on Barrow Island off the coast of Western address applications that ranged from gas flare
Australia. These will allow the valves to be serviced
locally, instead of having to be shipped back
IMI Critical Engineering spokesman Enzo to the manufacturer for repair, delivering
Stendardo said about two thirds of all valves in significant savings on maintenance costs.
an LNG processing plant were either ball valves
or butterfly valves, which he said made this “an The Gorgon gas project is located in a Class
extremely significant project for us.” A nature reserve, home to vulnerable species
such as the flatback turtle and numerous
“Meanwhile, in a processing plant of this other creatures not found on the Australian
size, downtime cannot be countenanced mainland.
because of the huge costs entailed, placing
a real onus on valves to work without The need to protect the environment meant
interruption between scheduled maintenance the product specifications were particularly
stops,” he said. stringent, not least in relation to extremely low
allowable leakage levels and long-term sealing
“The contract is therefore a strong performance.
endorsement of our ability to meet the needs
of the global LNG sector from a product range As well as providing products to meet these,
which harnesses high-specification materials IMI Critical Engineering also applied a special
and innovative design to deliver outstanding coating combining optimal resistance to sea
performance in the most demanding operating water and heat to the valves.
conditions.”
The Gorgon project is a joint venture
Top entry ball valves from IMI Truflo Rona between the Australian subsidiaries of
were specified for their proven ability to cope Chevron (47.3%), ExxonMobil (25%), Shell
with extremes of both hot and cold (down to (25%), Osaka Gas (1.25%), Tokyo Gas (1%) and
cryogenics temperatures below -162ºC) and to Chubu Electric Power (0.417%).
provide 100 per cent shut-off.
The LNG plant is expected to commence
operations in early 2016. l

Cue gets 12 month extension for Ironbark well

THE NATIONAL Offshore Petroleum Titles target the Ironbark prospect, which he said Triassic intra-Mungaroo sands as encountered
Administrator (NOPTA) has agreed to a 12 the group believed contained a world class gas at the Gorgon gas field.
month suspension of the work program of resource with the potential to add significant
a permit wholly owned and operated by value to Cue. The Ironbark prospect is estimated to
Cue Energy Resources. contain more than 15 trillion cubic feet of
“We are excited about the prospects for unrisked prospective gas and was mapped
Cue had committed to drilling an WA-359-P and WA-409-P and are pleased as being between 14,000 hectares and 40,000
exploration well on permit area WA 359 P by to have commenced a process to find a joint hectares in area, Cue said.
October 2015, but the extension pushes the venture partner,” he said.
deadline for this well out to October Cue Cue also plans to review its other Carnarvon
chief executive David Biggs said this gave the A comprehensive regional study was recently basin assets during the fourth quarter of 2015, as
company time to plan a well which would wrapped up by the group over WA 359 P and well as consideration of its other existing assets
the adjoining WA 409, among other prospects, and opportunities under consideration. l
allowing the company to better define the
Ironbark prospect as well as mapping the

Pilot gets program extension

PILOT Energy now has until 12 May 2017 Rampart Energy, a transitional work program Pilot enough time to explore the permit
to acquire 80 square kilometres of new 3D variation on the permit, in which it holds an 80 while remaining in compliance with permit
seismic data over the WA 503 P permit area per cent operating interest. conditions, managing director Iain Smith said.
in the Dampier sub-basin, it said.
Original permit conditions had Pilot “The Pilot Energy technical team has
The change came after the National completing its 3D seismic commitment before identified three prospects within WA 503 P,
Offshore Petroleum Titles Administrator 12 May 2015 – before the formal assignment of offering material prospective oil resources that
granted the company, formerly known as the company’s permit interest. we intend to validate via an independent expert
report in the near future,” he said. l
Pushing back the program to 2017 gave

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