SAGD test targets heavy oil in China

Guntis Moritis Production Editor A SAGD test is under way in a Liaohe heavy oil field in China. Shown above is the wellhead of one of the two horizontal wells in the SAGD pilot. (Photo by Guntis Moritis) A pilot test in the Liaohe heavy-oil area in China will determine if steam-assisted gravity drainage (SAGD) is applicable for the recovery of the sizable heavy-oil reserves found in the region. The paired horizontal wells are in the extra heavy oil Xinglongtai reservoir, in Block Du84 of the Shu No. 1 area. In the SAGD process, steam is injected into the reservoir through one horizontal lateral lying above a horizontal producer near the bottom of the reser...

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