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柯克亚油田是凝析油气田。自1975年5月17日,柯1井获得高产油气流以来,柯9井、柯10井也相继获得高产油气流。这3口井无控制地长时间畅喷,从1979年11月以后,油田又有12口井相继投入试采。目前正在生产井5口,平均日产油16吨、气1.6万立方米。试采结果表明,柯克亚油田是一个下有底水、边水,中有油环,上有气顶的油气水分布较为复杂的凝析油气田。在油田即将投入正式开发的前夕,有必要对该油田的试采动态进行分析、判断,并对油田投入开发以后的开发效果作些预测。另外,油田由于长时期无控制畅喷造成的地下亏空,能否通过注水方式开发、补充油藏能量,以达到注采平衡保持自喷生产?本文也将对这个问题作些探讨。
Kekeya oil field is a condensate field. Since May 17, 1975, Ke 1 wells to obtain high oil and gas flow, Ke 9 wells, Ke 10 wells have also been to achieve high oil and gas flows. The three wells run smoothly for a long time without any control. Since November 1979, another 12 wells have been put into trial production in succession. Currently producing 5 wells, the average daily oil 16 tons, gas 16,000 cubic meters. The trial mining results show that the Kekeya oilfield is a condensate oil and gas field with the bottom water, the edge water, the oil ring in the bottom, and the gas-water distribution with the gas cap on the bottom. On the eve of the oilfield being put into formal development, it is necessary to analyze and judge the trial production of the oilfield and make some predictions on the development effect after the oilfield is put into development. In addition, due to the uncontrolled underground shortages caused by uncontrolled smoothing over a long period of time, can oilfields develop and replenish reservoir energy by means of water injection in order to achieve the balance of injection and production and maintain self-spraying production? This article will also discuss this issue.