最终采收率

应用本源微生物驱油技术可以改善油藏条件，提高原油最终采收率。

This technology can improve reservoir condition and ultimate recovery factor .

不同的裂缝方位会改变注水的受效时间，并改变最终采收率。

The fracture azimuth will change the flood response time , and then change the ultimate recovery .

为了进一步提高水驱效率及油藏最终采收率，开展了WXS表面活性剂可行性研究。

In order to improve waterflooding efficiency and ultimate reservoir recovery , we have developed feasible study of surfactant WXS .

这种强化效应不仅在驱替过程中起作用，而且在残余油状态时也会起作用，使水驱残余油的最终采收率提高6个百分点以上；

Also in the residual oil period , the final recovery was increased 6 % .

目的提高普通稠油油藏的最终采收率。

Purpose To improve final recovery .

前期研究可以降低不确定性因素的影响，改善高含水油藏的开发效果，提高最终采收率。

Therefore the development effect in high water-cut oil reservoir can be improved and ultimate oil recovery can be enhanced .

油藏地质建模在解决开发生产难题、提高油藏最终采收率方面有较好的应用前景。

The reservoir geological modeling has better prospect in solving oil development difficulties and enhancing oil recovery of oil reservoirs .

综合油藏管理的应用，有效地提高了透镜状水驱气藏的最终采收率，大大提高了气藏的开发效益。

The application of integrated reservoir management has effectively improved ultimate recovery factor of the reservoir , as well as development benefit .

储层参数变化使油藏最终采收率增加，开发效果变好，有利于剩余油的的采出。

Reservoir parameters change will cause ultimate recovery rising and development effect improving , both of which is favorable for production of remaining oil .

利用大型动态驱替装置，测定了不同条件下空气驱提高采收率情况，显示最终采收率可达36%左右。

Oil recovery enhanced by air drive at different conditions was tested by large dynamic displacement equipment with ultimate oil recovery up to36 % .

在此基础上，设想利用侧钻井注水补充地层能量，扩大注水波及面积提高最终采收率。

On the basis of this , utilizing sidetracking well water injection supply zone energy , enlarge water injection conformance area to improve ultimate recovery .

从数模结果看：实施深化挖潜措施后，吞吐阶段最终采收率可达288%。

Numerical simulation shows that the ultimate recovery at steam flooding stage can be up to 28.8 % after in-depth development has been carried out .

为了解决层间矛盾，提高最终采收率，提出了聚合物单管多层分质分压注入技术。

To solve these problems and improve the ultimate recovery rate , this paper puts forward the polymer separate injection technology with separate mass and pressure .

目前，多层合采时产量远远低于分层开采时的产量，降低了最终采收率，严重影响了长期稳产。

Currently , commingling production is far lower than slice mining production , which has reduced the ultimate recovery and seriously affects the long-term stable production .

应用产量递减曲线可以预测水平井在未来某一时间的产量及最终采收率，文中用算例说明了这一应用的具体步骤。

Concrete methods of the decline applications , illustrated by an example in the paper , can be employed to obtain the horizontal well production forecast .

如果不及时治理和控制，必将导致气藏最终采收率和整体开发效益的降低。

If timely remediation and control are lacked , it will inevitably lead to the decrease of the ultimate gas reservoir recovery and the overall development effectiveness .

有水气藏开采政策直接影响开采效果，开采政策应兼顾近期生产目标和远期开采效果，提高气藏最终采收率为终极目标。

Production policy has a direct effect on production and must give consideration to both short-term goal and long-term effect in order to enhance a final recovery .

将这一规律应用于油田开发中，在实施压裂措施及制定注采井网时考虑地应力的分布状态，将延长无水采油期和提高最终采收率，使油田开发取得较好的经济效益。

The water free oil production period should be prolonged , the ultimate recovery factor should be enhanced , and a better economic profit would be gotten in oilfield development .

结论：在生产、地质、流体参数已知的条件下，可定量确定厚油层最终采收率，为后期挖潜奠定基础。

When some parameters about geology and production are given , the final recovery rate of thick layer can be calculated quantitatively so as to provide the proof for potential improve-ment .

气藏见水后会给气藏开发带来很大危害，增加治水成本，不利于提高气藏最终采收率。

When reservoir meets water , it will do more harm to gas reservoir development , increasing hydrogeophysical remote cost , which is not conducive to improve water reservoir ultimate recovery .

本文属国家自然科学基金资助项目的一部分（基金号：50776014）。油田开发实践表明，水驱开发油田可以获得较高的最终采收率。

This project has been supported by the National Science Foundation ( No : 50776014 ) . Oilfield development practice shows that high ultimate recovery could be obtained in water flooding oilfield .

评价结果表明，东16区块最终采收率为23.01%，其中东160断块为24.25%，升371断块为20.52%。

Results show : final recovery efficiency is 23.01 % in East 16 block , and 24.25 % in East 160 fault block , while 20.52 % in Sheng 371 fault block .

油藏经营管理贯穿于整个油田开发生命周期，以提高最终采收率、获取最佳的开采效益为目的，属于复杂的多目标优化决策问题。

Reservoir management runs through the whole life of petroleum recovery . It aims to enhance oil recovery and to acquire optimum exploitation benefits , In operation , reservoir management faces complicated multi-objective optimum decision-making .

建立描述和表征储层宏观参数随油田开发过程发生动态变化的物理和数学模型，可有效提高油田管理水平及最终采收率。

The physical and mathematical model , which were built up to describe and characterize the dynamic variety of reservoir macro-parameters along with oilfield development , will advance oilfield management level and ultimate recovery factor effectively .

江汉油田的水平井钻井实践证明：对边水或底水活跃的油藏，水平井能显著提高油藏的产能和最终采收率。

The practice of drilling activity of horizontal well in Jianghan Oilfield proves that horizontal well can greatly improve the productivity and ultimate recovery of the reservoir where edge water and bottom wa - ter are active .

球塞气举可作为连续气举后期的接替工艺，提高油气藏的最终采收率，尤其对于低压低渗油藏的开发具有更为重要的科学意义和广阔的应用前景。

It can be the alternative method for the upper continuous gas lift and enhance the ultimate recovery . It has more important scientific significance and great application future especially for low pressure and low penetrability gas & oil reservoir .

通过建立目的层地质模型，利用水平井设计软件进行水平井设计，并完成了储量计算、产能预测、最终采收率计算及经济评价。

Author has also designed a horizontal well and has finished reserve calculation , predication of productivity factor , ultimate recovery calculation , economic evaluation through establishing geological model of target and applying the geological design soft of horizontal well .

水力压裂是油气井增产和注水井增注的重要增产措施，是提高油气藏最终采收率和开发效果的有力手段。

Hydraulic fracturing is the important measures to increase production of oil and gas wells to increase production and injection wells by injection , is to increase the ultimate recovery of oil and gas reservoirs and powerful means of development effect .

水平井具有泄油面积大、单井产量高等优点，在提高低渗透油气臧的产量和最终采收率方面发挥了巨大的作用。

Due to the horizontal wells with the virtue of the larger drainable area , single well yield quantity , so it is an important means to exploit the low permeability oil reservoir , to enhance the production and ultimate recovery .

但国内外大部分油藏都因地层的非均质性和天然水体能量的不足，为了改善驱替效率和维持地层能量，提高油藏最终采收率，必须辅以人工注水。

But by reason of formation 's anisotropy and the deficiency of natural water energy , for the sake of improving displacing efficiency , sustaining formation energy and enhancing the ultimate recovery , most of reservoir should supplement the artificial water injection .