1971年投入试采，采用不规则大井距面积井网开发。
In 1971, it was brought into production test and utilized irregular dispersed well pattern of wide spacing for exploitation.
1971年投入试采，采用不规则大井距面积井网开发。
In 1971, it was brought into production test and utilized irregular dispersed well pattern of wide spacing for exploitation.
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