Horizontal well technology has become one of the main technologies enabling Liaohe Oilfield to realize stable development. By the end of 2006, 296 horizontal wells of various kinds had been completed in Liaohe Oil Field, 273 wells had been put into production, Among uhich 237 were horizontal wells (see Table 1). So far, the one- million-ton production capacity for horizontal wells has already been established in Liaohe Oilfield, which
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