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New coalbed methane well spudded in Queensland

World Coal,


Drilling operations at a coalbed methane (CBM) project in Queensland, Australia, have taken a further step forward, as Comet Ridge and Santos announce the first well has been spudded.

The two CBM companies announced they had spudded the Mahalo 7 surface to in-seam horizontal well at the ATP 337P Mahalo Block asset in the Bown Basin.

According to Proactive Investors, the surface hole was drilled to 74 m overnight and, come morning, the rig was prepared to run surface casing.

The surface to in-seam horizontal well has been designed to maximise the use of current reservoir data and has been positioned inside the current pilot wells.

The well will be drilled past the Mahalo 3 vertical well, intersecting the Mahalo 6 vertical well, which will be used to life the water and gas from Mahalo 7 horizontal well.

The well is expected to run through 500 m of coal before the intercept. The coal is at a depth of roughly 230 m.

The CBM block at Mahalo sits 240 km west of Gladstone in central Queensland and the joint venture between Comet Ridge and Santos has been operating two pilot schemes at the Mahalo Field Pilot and Mira Field Pilot, since H1 2013.

In addition to Santos and Comet Ridge, Australia Pacific LNG owns a 30% stake in the project.

Santos QNT is the exploration operator under current arrangements and has responsibility for drilling the Mahalo 7 well.

Comet Ridge, meanwhile, has a number of significant CBM projects in key regions of Queensland, New South Wales and New Zealand. 

Edited from various sources by Sam Dodson

Read the article online at: https://www.worldcoal.com/cbm/07112014/cbm-well-spudded-in-queensland-cbm134/


 

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