摘要
在油田开发生产过程中,需要经常总结生产规律,指导油田高效开采。为使油田基础数据的收集及处理过程变得更加快捷,且应用科学的方法合理预测开发指标及其动态变化规律,分析油水井生产措施质量与效果,达到高速高效开发的目的,研制了油气田开采信息分析系统,包括油气田开采信息查询与分析、油气田开发动态指标与开发规律分析、抽油机井生产工况与设备运行状况分析、油水井措施作业质量与效果分析四个部分。“油气田开采信息查询与分析”结合油田实际确定查询分析指标体系,根据快捷、准确、方便的原则,研制应用软件,经河南油田试用,验证了软件查询及分析结果的正确性和实用性。“油气田开发动态指标与开发规律分析”研究确定了油气田开发动态指标体系,如可采储量、最终采收率、综合含水率、采油速度、采出程度等,针对不同的动态分析指标研究并筛选了不同的计算方法,在分析各种方法原理、特点及适用条件的基础上研制计算软件,对梁家楼油田纯56断块进行了实例分析。“抽油机井生产工况与设备运行状况分析”研究了抽油机井系统效率、泵效、抽油机载荷利用率、检泵周期和吨液耗电的影响因素及其影响程度,运用多元二次非线性回归理论与方法,研制了计算软件,并利用河南油田资料进行实例分析,验证了回归结果的准确性。“油水井措施作业质量与效果分析”结合中国石油天然气行业标准确定了油水井措施作业效果评价指标体系,运用基于层次分析法的模糊综合评判理论与方法,研制了计算软件,并利用河南油田下二门油矿资料进行了实例分析。研究与实例分析表明“油气田开采信息分析系统”能够科学、快速、高效的进行油气田开采信息分析工作,为油气田开发与开采提供一个决策支持平台。
Oil production laws are usually needed to be generalized in order to guide oilfields’high-efficient development. In order to reach the following goals including quickening the process of oilfield’s basic data collecting and processing, choosing a scientific method to predict the development index and the dynamic variation law, analyzing oil and water wells’measurement quality and effect, and thus quickening oilfield’s high-speed and high-efficient development, Oilfield Development Information Analysis System is programmed. This software includes four sub-parts such as oilfield development information query and analysis, analysis of rod pumped wells’production condition and relevant equipments’working condition, and analysis of both oil and water wells’measurement quality and effect. Interconnecting with oilfield’s practical condition and based on the principle of convenience, high-speed, and high-accuracy, the research on“oilfield development information query and analysis”assured the querying indexes and then the related software is made which have been tested in Henan oilfield to verify its validity and applicability. The research on“analysis of oilfield dynamic indexes and production law”ascertains the dynamic index system including recoverable reserve, final recovery efficiency, composite water cut, oil production rate, reserve recovery degree and etc. Meanwhile, after resolving methods filtering according to different dynamic analyzing, the software is programmed on the basis of the related methods’theory, characteristic, application way and application condition and field analysis is proposed in Chun 56 block in Liangjialou oilfield. The research on“analysis of rod pumped wells’production condition and relevant equipments’working condition”investigates the related effect factors and effecting degree of rod pumped well’s system efficiency, pump efficiency, beam pumping unit load usage efficiency, pump checking cycle and power consuming per ton liquid, meanwhile, on the basis of multivariate quadratic non-linear regression theory and method, a computational software is made and the accuracy of regression results are verified using Henan oilfield’s field data. The research on“analysis of both oil and water wells’measurement quality and effect”ascertains oil and water wells’measurement effect evaluating index system on the basis of CNPC’s standard, programs computational software based on the fuzzy synthesizing judging theory which is based on analytical hierarchy process, and carries on field analysis using field’s data of Xiaermen in Henan oilfield. The above research and practical analysis shows that“Oilfield Development Information Analysis System”can carry on analysis of oilfield development information scientifically, speedily and efficiently which can supply the decision maker an aiding tool.
引文
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