Page 10 - AsiaElec Week 21 2021

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State Gas spuds first

Rolleston-West CBM well

AUSTRALIA AUSTRALIAN junior State Gas has spudded its would confirm coal thickness, gas content and
first well at the Rolleston-West coal-bed methane the permeability of the coals in that area of ATP
(CBM) in Queensland State’s Bowen Basin. 2062 through the use of wireline logs, coal sam-
The company said on May 17 that it had pling and specific permeability testing. Once the
begun drilling Rougemont-1 in the 1,414-square initial testing processes have been completed,
km authority to prospect (ATP) 2062 on May the wells will be suspended, to await subsequent
14 and that the well had reached a depth of 75 production testing.
metres. Rougemont-1 has a planned total depth Rolleston-West lies adjacent to the already
of 800 metres and is targeting gas-bearing coals producing Reid’s Dome project, is located in
at around 500-780 metres deep. petroleum lease (PL) 231. The company is cur-
The well is the first of two planned to evaluate rently appraising undertaking production test-
the Bandanna coals in the eastern arm of the new ing of three CBM wells in the southern area of
Rolleston-West permit, which the Queensland Reid’s Dome and another in the centre of the
Government awarded to State Gas in late 2020. permit.
Located on the crest of a “plunging nose” in State Gas chairman Richard Cottee said that
the formation, the coals are expected to host gas if all went well with the Rolleston-West drilling
content and permeability comparable to ana- programme then its assets together had “the
logue fields in the Santos-operated Arcadia Val- makings of a major gas development”.
ley project and Mahalo gas project (MGP). ATP He added: “Knowledge about the potential
2062 lies a similar distance from both projects. of Rolleston-West will be vital in informing the
Arcadia Valley is used to supply the (Glad- development planning for Reid’s Dome, enabling
stone LNG) GLNG export terminal, while MGP the optimum scaling and location of facilities
is operated by Origin Energy and supplies feed- and infrastructure. We will be able to commence
stock for the Australia Pacific LNG (APLNG) at Reid’s Dome knowing that Rolleston-West gas
project. Comet Ridge owns 40% of MGP, while will come in, bringing additional cash flow and
APLNG Santos both own 30% stakes. economies of scale for the benefit of both project
State Gas said the two Rougemont wells areas.”™

P10 www. NEWSBASE .com Week 21 26•May•2021