Sino Gas & Energy Holdings Limited (Sino Gas, the Company) revealed Wednesday that a flow rate of 2.0 million standard cubic feet per day (MMscf/d) has been achieved from a middle zone of TB-23 on the Linxing Production Sharing Contract (PSC) in Ordos Basin, Shanxi Province, China.
The 13.1 feet (4 meters) pay zone was fracced on TB-23 in the prospective central-western portion of Linxing (West). Flow testing conducted over 5 days achieved a stable flow rate of 2.0 MMscf/d at a relatively stable flowing tubing head pressure of 1,250 psi (approximately 2.36 MMscf/d calculated at standard field pressure of 200 psi).
The results represents the highest measured gas flow from a single fractured zone and is well in excess of the previously recorded minumum flow rate from the middle lower zone of approximately 230,000 standard cubic feet per day. Seismic interpretation of the zone tested shows a high level of frequency across the acreage. Engineering planning is underway to connect the well into the pilot pipleline production program.
Commenting on the result Sino Gas Chairman, Gavin Harper said "This is a tremendous result, which comes after careful analysis and review to optimize fracture stimulation treatment in recent months. It is the third in a series of successful tests on Linxing (West), with others including testing of a lower level unstimulated zone at TB-26 and the nine stage frac testing of the first horizontal well at TB-1H."
Exploration disclosure for testing of TB-23 is detailed below:
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