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Sinopec adds reserves at Fuling,

reports Subei tight oil flows

PERFORMANCE CHINA’S Sinopec said this week that it had temperatures have dropped with the onset of
added 104.88bn cubic metres of newly proven winter.
gas reserves at the Fuling shale play in the In late November, it was reported that output
south-western Sichuan Basin. At the same time, at Fuling had reached 20mn cubic metres per
it reported record flows from three tight oil wells day. This can meet
in the Subei Basin.
The new Fuling reserves, located in the Subei results
Baima block, were certified by the Chinese In the same announcement this week, Sinopec
Ministry of Natural Resources, and bring reported record oil flows from three shale wells
Fuling’s total proven reserves to nearly 900 in the Subei Basin. The Qinye 1HF well hit output
bcm. According to a Sinopec statement, this of 55 tonnes per day (403 barrels per day), while
accounts for 34% of China’s total proven shale the Shuaiye 3-7HF well saw flows of 20 tpd (147 In the same
gas reserves. bpd). Meanwhile, the Shaduo 1 well achieved
At the Baima block, the highest cumulative cumulative production of 11,000 tonnes (80,630 announcement
gas output from a single well exceeded 30mn barrels) over 392 days of continuous flow.
cubic metres as of the end of November. Sino- “Preliminary evaluation shows that Sinopec’s this week,
pec said this was a relatively high rate among establishment of a 420-square km favourable
China’s domestic atmospheric shale gas wells, area with 350mn tonnes [2.6bn barrels] of shale Sinopec reported
adding that it confirmed “a good prospect” for oil resources in the Qintong sag has exhibited record oil flows
profitable development. good prospects for exploration and develop-
Sinopec has long talked up the potential of ment in the region and will inaugurate crude oil from three shale
Fuling, which has been seen as its most pro- resources strategic replacement in China’s Subei
lific shale gas field since the company began Basin,” Sinopec stated. wells in the Subei
unconventional development. Commercial The Subei Basin’s shale resources are located
development on the project began in 2014, with at depths of more than 3,000 metres. This, com- Basin.
production then starting in 2017. This year, the bined with the high pressure of the formations,
field has hit new records for cumulative produc- makes extraction and the use of techniques such
tion amid rising gas demand and an acceleration as hydraulic fracturing challenging.
of decarbonisation efforts by Beijing. Sinopec said that its subsidiary, Sinopec East
To date, 643 wells have been drilled at Ful- China Petroleum Bureau, had been strengthen-
ing, and more than 41.2 bcm of gas produced. ing its understanding of formation conditions
Sinopec has ramped up output across a number and enrichment patterns of continental shale
of fields, including Fuling, to their full capacity oil. The company said this had helped it achieve
recently in order to help meet rising demand as its breakthroughs in the basin.™

P8 www. NEWSBASE .com Week 50 17•December•2021