Reservoir & production engineering data review & analyses of the Whicher Range tight gas sands
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The Whicher Range Field is a tight sand gas reservoir located on shore in the southern Perth Basin. Gas in place estimates range up to 5 TCF and there is an expectation that commercial recoveries are possible. A total of 5 wells have been completed and tested extending over a period of about 35 years. Multiple stimulation jobs were performed on some of the wells, but none has been successfully tested so far. The objectives of the study were to review well data and evaluate well productivity issues in this field to gain some appreciation of why production rates are significantly lower than expectations, and investigate possible remedial strategies to achieve viable gas production rates. The reservoir is a complex formation of stacked fluvial sand bodies that are stratigraphically and structurally compartmentalized. They exhibit very low porosities and extremely low permeabilities. Poor quality and the limited quantity of data impacted on the output value of some investigations, thus results are qualified. The need to acquire good data for the assessment of tight gas sand reservoirs is highly stressed.
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Bahrami, Hassan (2012)Production at economical rates from tight gas reservoirs in general is very challenging not only due to the very low intrinsic permeability but also as a consequence of several different forms of formation damage that can ...
Analysis of the reservoir electrofacies in the framework of hydraulic flow units in the Whicher Range Field, Perth Basin, Western AustraliaKadkhodaie-Ilkhchi, Rahim; Rezaee, Reza; Moussavi-Harami, Reza; Kadkhodaie-Ilkhchi, Ali (2013)Reservoir characterization and recognition of the main factors controlling the reservoir quality has a significant share in presenting a real picture of the reservoir properties. In this study, by examining a set of ...
Ostojic, Jakov (2013)Hydraulically fractured tight gas reservoirs are one of the most common unconventional sources being produced today, and look to be a regular source of gas in the future. Tight gas sands by definition have extremely low ...