经济寿命期

每一次降级均代表在不同服务岗位上的经济寿命期。

Each of these degradations represents an economic life period in a different service .

根据预测的结果，分别对大港油田的港东组气藏和千米桥组气藏天然气经济寿命期、天然气经济产量、积累经济产量和经济采出程度进行计算。

According to the forecast results in dagang oilfield , respectively , the port of the reservoir and km bridge group of natural gas economic life period , reservoir in economic output , the accumulation of natural gas in economic output and economic recovery degree to calculate .

油田开发项目经济寿命期的确定方法

Method for Determining Economic Lifetime of Oil Field 's Development Project

油井从投入开发到关井的整个经济寿命期内，都遵循着产油量的逐渐递减和含水的不断上升，直到没有经济价值时为止。

Oil well always follows the production rate decreasing and the containing water increasing from the beginning of the development to the well closed not until it is no economic value .

文章对双保管理与货币时间价值、商品的自然寿命期、经济寿命期、商品资金定额管理以及经济订购批量法的关系作了探讨。

The author also discusses the relationship between the management in ensuring cost recovery and target profit and time value of money , natural life of goods , product life cycle , the quota system of merchandise inventory and the economic order quantity .

本文认为在设计计量模型时，应以产出价值为计量基础，充分考虑智力资本的配置状态或使用效率、经济寿命期等因素的影响，并且应能提供局部集合或单项智力资本财务价值的信息。

When measurement model designed , this paper puts forward the output should be taken as measurement basis , such factors as deployment state of intellectual capital , economical life period and so on should be considered and information of local gather or monomial intellectual capital could be provided .

工程经济给出寿命期不等的互斥方案求解的多种解法，如最小公倍数寿命法、无穷大寿命法、研究期法、净年值法等，但对上述诸种方法之间的关系缺乏系统研究。

There are several solutions for exclusive projects in engineering economics , taking minimum common multiple lifetime method , infinite lifetime method , research period method and net annual value method as examples . There are no systematic researches for these solutions mentioned above .

为了提高经济效益，也必须在油井的生产过程中适时的采取各种增产措施，来减缓产量的递减和控制含水的上升，从而来延长油井的经济寿命期。

The measurement of the increased production was necessary for the production decrement to be delayed and the contained water increment to be controlled , it will enhance the life of the oil well economy .