In 2004, Dagang oilfield has completed 6 Wells of drilling, oil production testing and starting-up.

2004年，大港油田完成6口水平井的钻井、试油、投产任务。

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Formation of Tuha oilfield belongs to low pressure and bad reservoir property which makes conventional combing tech of testing and perforation not being suit for need of production of oil well.

吐哈油田地层压力较低、储层物性较差，且要进行上返试油的井采用常规测试射孔联作技术已不能满足生产需要。

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The typical formations with extra low permeability feature in exploration well testing for oil are analyzed traceably together with the production practice in Shengli petroliferous area.

结合胜利油区生产实际，对探井试油测试中呈特低渗透性的典型地层进行了追踪分析，提出了识别该类地层的含油依据和挖潜措施。

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During early testing of the Lorcan lease, production of more than 0.25 million barrels of oil has already been achieved.

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