Sino Gas & Energy Holdings has spudded its TB-08 well step-out well from the successful TB-07 well that flowed at an estimated rate of 2.9 million cf/d. The company reported that the Ordos Basin coalbed methane (CBM) drilling program on the Tuban prospect is being carried out to verify the extent of the same high production gas-bearing reservoir sands encountered in the TB-07 well. It said the TB-08 well is intended to do that as part of the company's reserves upgrading program. Sino Gas' drilling contractor Bohai Drilling Engineering Company has completed mobilization of the rig, associated equipment, and all staff to the site. Sino Gas has now completed an audit and confirmed their acceptance of the rig.
As per the work program, the TB-08 well will now be drilled down to around 2,200 m, completed, and electronically logged before setting casing. This process is expected to take around 25 days. Following completion of the drilling, it is intended that the TB-08 well be flow tested through hydraulic fraccing.
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