Australian gas company Denison has confirmed a major natural gas discovery at the Baffle Creek field in Queensland’s Bowen Basin, with an independently estimated resource of 566 petajoules. Queensland Resources Minister Dale Last made the announcement following a visit to Denison’s gas fields—a find the company describes as one of the largest onshore discoveries on Australia’s east coast in at least a decade.
Denison confirms large gas find at Baffle Creek
The 566-petajoule resource estimate comes from Netherland Sewell & Associates, a specialist resource firm that assessed Baffle Creek’s contingent and prospective resources—classified as 2C and 2U. That figure covers only the first three wells drilled at the site. A fourth well, Baffle Creek 7, has just been completed, and Denison expects its results to push the total estimate higher still.
Minister Last visited Denison’s gas fields in person before making the announcement. The numbers make clear why the find drew state government attention: 566 petajoules is a significant figure for any onshore gas play, and this one sits in central Queensland.
A four-well exploration program unlocks tight gas reservoirs
Denison’s most recent exploration campaign targeted tight gas resources held deep in sandstone reservoirs within the Denison Trough—a sub-basin inside the broader Bowen Basin of central Queensland. Four wells were drilled in total.
Tight gas reservoirs are genuinely difficult to produce. The rock is dense, gas does not flow freely without intervention, and confirming a substantial volume within the trough is a concrete technical result rather than a preliminary indicator.
Baffle Creek 7, the most recent well, ranks among Queensland’s longest horizontal tight gas wells. Drilling is now complete, with fracture stimulation and well testing scheduled for the third quarter of this year. Those results will determine how much additional resource the well adds to the overall estimate.
Gas already flowing; Denison to double processing capacity
One of the more striking aspects of this discovery is how quickly gas moved from the ground to market. According to Denison, gas from the exploration wells is already supplying industrial manufacturers and other domestic users—less than two years after the initial discovery. For a tight gas development, that is a fast timeline.
Denison plans to double its gas processing plant capacity and condensate storage within the next 12 months. That infrastructure commitment signals the company is treating Baffle Creek as a long-term production asset, not just an exploration result worth noting.
Once fracture stimulation and testing of Baffle Creek 7 are complete, the well will be connected to nearby pipelines to supply the East Coast gas market. Executive Chairman Dr. Xingjin Wang described the discovery as one of the largest onshore finds on Australia’s east coast in at least a decade — a characterization that, if supported by further drilling, would place Baffle Creek among the more consequential domestic gas developments in recent years.
Context: Queensland’s domestic gas supply and emissions practices
To put 566 petajoules in practical terms, Denison estimates that volume could power every Queensland home for five years. The comparison illustrates the potential domestic significance, even if the actual supply picture involves considerably more complexity than a single metric can convey.
Denison has also drawn attention to its emissions approach during exploration. The company says it is among the first in Australia to connect pilot wells directly to a commercial pipeline network rather than flaring the gas—burning off gas that cannot yet be captured, which is standard practice during exploration but releases emissions and wastes resources. Avoiding it from the outset is a deliberate operational decision, not an incidental outcome.
The Queensland Government has expressed strong support for the domestic gas sector, and Dr. Wang noted that this backing — combined with the scale of the discovery — is a positive development for local energy users. The Bowen Basin has long been one of Australia’s key onshore gas-producing regions. The Denison Trough’s location within central Queensland gives the field reasonable proximity to existing infrastructure, which matters when timelines are already moving quickly.
Government support for the sector
The Baffle Creek discovery adds a confirmed 566-petajoule resource to Queensland’s domestic gas supply outlook, based on three wells and assessed by an independent resource firm. A fourth well is expected to lift that estimate once testing concludes later this year. Gas is already reaching the market, infrastructure investment is underway, and the Queensland government has signaled support for the sector. How large Baffle Creek ultimately proves to be will come into clearer focus as it moves through stimulation and testing in the months ahead.
Kelly is an experienced writer with 15 years of experience exploring the big stories that shape our world, from tech breakthroughs and space exploration to climate, energy, and the fascinating quirks of science. She has a talent for turning complex ideas into sharp, memorable insights that stay with readers long after they’ve finished reading.
