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辽河油田经济可采储量与投资成本关系研究
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摘要
经济可采储量是指在一定技术经济条件下,在盈亏边界值内从地下采出的有经济价值的原油和天然气液的累积(年)产量。评价经济可采储量与投资成本关系,为油田企业的勘探开发和生产的投资决策提供科学依据。经济可采储量是一个动态的量,与当时的技术经济条件、国家政策、市场、及管理等有关根据经济可采储量与投资成本关系,通过对影响经济可采储量的因素出发,对辽河油田的经济可采储量进行计算。
     技术因素与经济因素是影响辽河油田经济可采储量的两个约束条件,其中技术因素包括地质因素与开发因素构。把握好那些可以控制的人为因素,例如开发因素方面的开发方式,井网井距、工艺措施,经济因素中投资与成本等等,合理配置和控制好这些因素是提高经济可采储量的必要途径
     预测经济可采储量的方法具有较强的适用性,故在本次研究中,通过实际生产数据对预测经济可采储量的八种方法和模型进行筛选、改进以提高预测的准确水平,为经济可采储量的预测提供准确的数据。
     计算经济可采储量的方法主要有现金流量法、经济极限法、经济开采时间法和加密井的石油经济产量计算方法,但不管用哪一种方法,都要遵循投入产出平衡的基本原理,求得投入与产出相平衡时所对应的石油产量及投资作为界限值。在计算石油经济可采储量时,要考虑所处的石油开发的不同的阶段。通过计算得到目前情况下,辽河油区经济可采储量33482×104t,剩余经济可采储量为12974×104t,经济采收率为14.5%。
     经济可采储量的研究,为指导油田制定正确的经营方针、选择最优方案、协调经营目标和正确编制经营计划提供依据。
- Economical recoverable reserves refer to the petroleum and natural gas cumulative production with economic value from underground in the border of the profit and loss curve. It can provide a scientific basis for companies in the exploration and development to evaluate the relation of recoverable reserves and the cost of the investment. Economical recoverable reserves are a dynamic amount with the technical, economic conditions national policies, the market, and management at that time.
     Economical recoverable reserves were calculated according to the economicl recoverable reserves and the cost of the investment relationship and the factors affecting the recoverable reserves.
     The factor influenced the economic recoverable reserves include technology and economical in Liaohe Oilfield.The technological factors include geological and development technical factors The way to hence the economic recoverable reserves of petroleum is to adjust the controllable man-made factors such as development mode,well net,well interval,technical measure,investment and cost.
     The method to forecast economic recoverable reserves has a strong adaptability in use.It needs ponder to validate the way though the actual production data among the eight methods to enhance the level of forecasts for economic recoverable reserves
     The main method to Calculate the economic recoverable reserves include cash flow, economic limit, the time of economic exploitation of infill oil wells’economic output calculation method. The principles of the input-output balance must be complied to corresponding the threshold value of equilibrium for oil production and investment no matter which kind of methods were used. The different stages of development must be considered in calculating the economic recoverable reserves.
     Economic recoverable Reserves are 33482×104t, the remaining economic recoverable reserves are 12974×104t, the economic recovery is 14.5% in Liaohe oilfield at the present circumstances.
     It can help company to choose the better management to though the study of Economic recoverable reserves and it can also provide a basis for management plan.
引文
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