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The global energy sector from a subsurface perspective

Australasia

How structural setting and hydrocarbon phase are closely related

Lukasz Krawczynski and Martin Neumaier
The Papuan Basin is located across a tectonically active area and is dominated by a gas-prone Jurassic petrole­um system with a whole-of-system Gas-Liquid Ratio of 30,000 scf/bbl. The complex geology,…

Exploration in the vast marine expanse of Oceania

Ian Cross, Moyes & Co
Texas-based Palau Pacific Ener­gy (PPE) is the operator of the North Block Concession, off the northern part of the Re­public of Palau, east of the Philippines, and is planning the…

Offshore Otway Basin drilling campaign

Jonathan Craig, NVentures
Stratigraphic column of the Otway Basin, Australia. Source: NVentures. The Otway Basin, offshore Victoria and Tasmania, is undergoing a significant drilling campaign, using the Transocean Equinox semi-submersible rig, aimed at…

The hidden lithium treasure of South Australia

Geoff Freer, Hydro Lit
Despite receiving just 165 mm of rain annu­ally, Coopers Creek flows year-round, an anomaly that has lured generations of explorers in pre-history to early Euro­pean settlers. Exploration by geologist Reg…

Open for business, again

Henk Kombrink
“We have to inject life back into the economy and avoid de-industrialisation,” said Shane Jones during a webinar yesterday, hosted by Ross Compton from the EnerGeo Alliance. Mr Jones is…

“The day I cut an 88 ft core of top seal”

Henk Kombrink
“LinkedIn seems to be the place to brag about your career successes,” says Luke Johnson from TRACS International in this video. But sometimes, it is things that went wrong that…

Building a reservoir model for a geothermal field

Henk Kombrink
The first well in the Ohaaki geothermal field in New Zealand was drilled in 1965. However, it lasted until 1989 before power production really started, even though large-scale testing of…

Developing the Kuda Tasi and Jahal discoveries offshore Timor-Leste

Aaron Bond and Shane Westlake, Finder Energy with acknowledgements to Neil Hodgson and Lauren Found, Searcher, for their input
Continuing the exploration and development success of the Laminaria High In 2024, Finder Energy underwent a transformational change, acquiring the rights to develop several oil discoveries on the Laminaria High…

Faster and faster

Henk Kombrink
Drilling faster is a big driver for technological develop­ment in every aspect of the subsurface industry, and the shallow geothermal sector is no exception. “We can significantly increase the drilling…

Fairy circles

Mariël Reitsma, HRH Geology
Companies ex­ploring for natu­ral hydrogen are rapidly popping up everywhere, but how do the geologists decide where to start prospecting? Many of them look at historical data from “dry” hydrocar­bon…