I suspect a formal announcement regarding upgrade to Walyering plant capacity will come eventually. Also, with the domgas policy decision just a couple of weeks away, I think a lot could change once a formal decision is announced. W-E (to distinguish it from WE) is still a contingent well at this stage. If the domgas policy falls our way, then it would makes sense to fulfil our domestic commitment from a field that is already connected to the local market while shifting WE gas to the export market. With WE set to produce around 87 to 90TJ/d (say 45TJ/d net to STX), if domgas restriction is lifted with reservation set to 50%, then lifting Walyering to 53TJ/d will be the target.
The reason for 53TJ/d target for Walyering is because Walyering has 24TJ/d contracted to Santos while WE has 25TJ/d contracted to CSBP (subject to gas option being converted to GSA), bringing our total domestic production to 49TJ/d. If the reservation ratio is set at 50%, it would mean we can export 49TJ/d. So we would need a total production of 98TJ/d - 45TJ/d from WE and 53TJ/d from Walyering
Just my own conjecture of course.
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