Triangle to invest in Cliff Head life extension

Australia-based oil and gas company Triangle Energy is looking to extend the life of its Cliff Head oil field located offshore Australia.

Triangle holds a 78.75% interest in Cliff Head and is the operator, with Royal Energy holding an interest of 21.25%.

The Cliff Head oil field is located 10 kms off the coast of Western Australia, at a water depth of 15-20 meters. The Production License WA-31-L covers 72km², and the oil field covers 6km² in the Commonwealth Exploration Permit WA-286-P.

Triangle’s Managing Director Rob Towner said the company had activated a comprehensive forward works program to upgrade reserves in the Cliff Head field. He said the company was in the process of remodeling the subsurface Cliff Head reservoir to identify previously undrained sections of the field and that it had committed $5.5 million to a 2018 Asset Life Extension Program.

“The current Cliff Head wells were drilled over 15 years ago when directional drilling technology was not as sophisticated and accurate as it is today. Once these reservoir extensions have been identified Triangle can then access the untapped pools of oil with new, more accurate and more economical drilling technology, increasing production and field life,” Towner said.

“Expanding the reservoir oil in place within an already existing developed oil field can result in a better return on investment capital.

“A reserves review upgrade is due for completion in the second quarter 2018 and this, coupled with our Asset Life Extension Program should demonstrate that we are anticipating a substantial increase in production both in the short term and the longer term.”

Triangle has committed to a $5.5 million investment from revenue to an “Asset Life Extension Program – 2018” for the ongoing upgrade of the Arrowsmith infrastructure.

Towner said the investment in infrastructure would support future expected increases in field production and enable the handling of regional oil including Xanadu (TP-15) and other potential re-entering of mature oil fields in the Perth Basin.

“All energy supply related infrastructure requires maintenance and Arrowsmith is no different. It is important to make sure our facility is maintained to a high standard and preserve its integrity so it can operate optimally, be ready to accept greater volumes of product and operate well beyond the original Cliff Head field life,” said Towner.

Triangle is also analyzing historical well and field performance data and developing a new reservoir management plan to better optimize the production of identified crude oil in the field. Towner said management expected Cliff Head to produce 2.5 million barrels from the existing wells and hopes to identify additional resources which will be developed through side-tracking and drilling new wells.

Based on the initial re-modelling work being done on Cliff Head, the first such fundamental reservoir and field level modelling update to be completed in many years on the field, several strategies have been identified including improved reservoir management and optimization of water injection; continued operational cost reduction which will result in extended economic field life; completion of workovers and infill wells; and, near-field appraisal and low-risk exploration.

Management believes these strategies could extend the life of Cliff Head and generate additional reserves.

“Our aim is to continue producing Cliff Head for many more years by operating more efficiently,” Towner said.

 

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