Gas Flow Rates and Composition Results
Brisbane, Jan 9, 2018 AEST (ABN Newswire) - Brisbane-based conventional gas developer State Gas Limited (
ASX:GAS) is pleased to advise it has successfully completed gas flow-testing, sampling and analysis from existing gas wells at PL 231 in the Bowen Basin Central Queensland.
The flow-testing and sampling was undertaken by Kinetic Production & Wellhead Services, based in Roma, Queensland.
The three wells flow-tested and sampled were Primero 1, Aldinga North 1 and Reid's Dome-4. Drilled between 11 and 37 years ago, these existing wells are located within the northern half of PL 231.
The Company is pleased to report that, despite the wells being shut-in for such an extended period, all wells flowed significant gas, at lowest recorded stabilized rates of between 357,000 cf/d and 658,000 cf/d using a 0.500" orifice plate.
Two gas samples per well were taken from each of these wells and sent to Petrolab in South Australia for analysis. Gas composition results indicate the produced gas represents a similar composition in its natural form to that of pipeline-quality gas, with an average Methane (C1) content of approximately 96%, average Carbon Dioxide (CO2) content of approximately 1.5% and very low levels of interts.
The similar reservoir pressure (166 - 167psig) and gas composition results for all the wells also implies that the reservoir is connected between each of the wells tested, providing a positive indicator for future gas production.
The gas flow-testing and sampling conducted in mid-December relates to the shallow Cattle Creek Formation, which commences at approximately 130 metres from surface and does not include gas targets within the deeper Reid's Dome Beds situated beneath the Cattle Creek horizon.
The Company is also pleased to advise that the reprocessing of historical seismic survey data by DownUnder GeoSolutions is currently underway and is expected to be complete during February 2018. With the seismic re-interpretation and the recent flow-testing and gas composition results, well sites will be selected for the 2018 drilling campaign.
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About State Gas Limited
State Gas Limited (ASX:GAS) (OTCMKTS:STGSF) is a Queensland-based gas exploration and development company with highly prospective gas exploration assets located in the southern Bowen Basin. State Gas Limited's mission is to support east coast energy markets through the efficient identification and development of new high quality gas assets.
It will do this by applying an agile, sustainable but low-cost development approach and opportunistically expanding its portfolio in areas that are well located to gas pipeline infrastructure.
State Gas is 100%-owner of the contiguous Reid's Dome (PL-231) and Rolleston-West (ATP 2062) gas projects, both of which contain CSG and conventional gas. The Projects, together some 1,595km2 , are located south of Rolleston, approximately 50 and 30 kilometres respectively from the Queensland Gas Pipeline and interconnected east coast gas network. State Gas intends to accelerate commercialisation of these assets through the application of an innovative virtual pipeline ("VP") solution which will see the Company transport compressed gas by truck to existing pipeline infrastructure or to an end user.
State Gas also holds a 35% interest in ATP 2068 and ATP 2069 in joint venture with Santos QNT Pty Ltd (65%). These two new areas lie adjacent to or in the near vicinity of State Gas and Santos' existing interests in the region, providing for the potential of an alignment in ownership interests across the region over time and enabling synergies in operations and development.
State Gas is also participating in a carbon capture and sequestration initiative with minerals explorer Rockminsolutions Pty Ltd in respect of EPM 27596 which is located on the western border of ATP 2062. This project is investigating the potential of the unique basalts located in the Buckland Basaltic Sequence (located in EPM 27596) to provide a variety of in-situ and ex-situ carbon capture applications.
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