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乌里赫套油田是滨里海盆地阿克纠宾州主要的油气产层,长城钻探工程公司在该地区承钻的y-1井发现高产工业油气流。这一发现使乌里赫套油田成为独立以来哈萨克斯坦开发的第一个大型油气田,潜在石油储量达2亿t。长城取心在该油田某区块应用长筒取心及岩心现场处理技术,缩短了钻井周期,合理高效的完成了探寻油气源的任务。本文阐述了乌里赫套地区的优势及长筒取心的影响因素和现场施工方案。实践证明,长筒取心及岩心现场处理技术适合该区块,值得推广应用。
Ulichtau oil field is the major oil and gas formation in Aktobe Peninsula in the Caspian Basin. Great Wall Drilling Company discovered high-yielding industrial oil and gas flows in the well y-1 drilled in the area. This discovery made the Uhrichset oil field the first large-scale oil and gas field developed by Kazakhstan since independence with a potential oil reserve of 200 million tons. The coring of the Great Wall applied long coring and core on-site processing technology in a block of the oilfield to shorten the drilling cycle and accomplish the task of exploring oil and gas sources in a reasonable and efficient manner. This article elaborates the advantages of Ulichto area and the influencing factors of long coring and on-site construction plans. Practice has proved that the long coring and core field treatment technology for the block, it is worth promoting.