CSG

Tipton West CBM gas flow rate up 240%

ARROW Energy and Comet Ridge report that their recently drilled TWP-14 and TWP-15 coalbed methane...

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The two new wells are achieving pre-drill objectives of increasing gas flow rates at the Tipton West Pilot and confirming the high productivity potential of the new well completion methodology.

They are also accelerating dewatering of the CBM pilot project, junior partner Comet Ridge said.

“Immediately prior to the drilling of TWP-14 and 15, the pilot was producing approximately 250,000 cubic feet of gas per day [250 mcfd] and 2500 barrels of water per day [BWPD,” Comet Ridge managing director Andy Lydyard said.

“The best performing well, TWP-13, was producing around 125 mcfd. Since the addition of the two new wells – both of which are making in excess of 110 mcfd already – total gas production from the pilot has increased to close to 600 mcfd.”

The flow rate from TWP-13 has more than doubled to over 210 mcfd within a month of the new wells being brought on production, according to Lydyard.

In addition, several peripheral wells that had until then only produced water and minor gas were also responding and were now producing gas at measurable rates.

“The higher productivity of these new wells, combined with the response in the peripheral wells, indicates that the new completion methodology is working and that we are now seeing communication between the wells,” Lydyard said.

Based on production performance from Queensland Gas Company pilots elsewhere in the Surat Basin that had used similar completion methodologies, the Tipton West partners expect to see the gas rates from their pilot continue to rise at a strong rate over the coming months.

The joint venture (Arrow 80% and operator; Comet Ridge 20%) has secured several conditional gas sales contracts for the Tipton West field with first sales expected in 2006.

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