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Based on the filtration theory, the deliverability test theory and model are discussed and the relationship between coefficient of the binomial deliverability equation and the penetration rate, depth of pay zones and skin factor are analyzed.

从渗流理论出发,阐明了产能试井的原理及模型,分析了二项式产能方程系数与渗透率、地层厚度和表皮系数的关系。

Secondly, the steady-state productivity model for horizontal well in gas reservoir is established. On the basis of solving the model, this thesis elicits the binomial deliverability equation by which absolute open flow potential and inflow performance relationship can be got and we can forecast the production performance of horizontal well in gas reservoir. In the end, on the basis of the theoretical analysis, this thesis explores homologous nodal analysis program.

其次,在建立水平气井不稳定渗流数学模型并求得其解的基础上,推导出了考虑地层伤害及非达西渗流影响水平气井产能方程,通过该产能方程可求出水平气井的绝对无阻流量,绘制流入动态关系曲线来预测生产动态;最后,在理论分析的基础上建立了水平气井节点分析方法,并开发了相应的节点分析程序。

Then, the steady-state productivity model for horizontal well in gas reservoir is established. On the basis of solving the model, this thesis deduces the binomial deliverabiliry equation by which absolute open flow potential and inflow performance relationship can be gotten and we can forecast the production performance of horizontal well in gas reservoir.

其次,在建立水平气井稳定渗流的数学模型并求得其解的基础上,推导出了考虑地层伤害及非达西渗流影响水平气井二项式产能方程,通过该二项式产能方程可求出水平气井的绝对无阻流量,绘制流入动态关系曲线来预测生产动态。

The binomial deliverability equation can only be used to describe the high velocity non-Darcy filtering flow. For low permeability fracturing gas wells, due to low permeable property and high flow conductivity of the formation, the filtering flow laws of the formation are different from those before fracturing, and binomial deliverability equation can not be used for the flow condition of gas wells, therefore, new equation is needed.

二项式产能方程只能描述高速非达西渗流,对于低渗压裂气井,地层的低渗透性和裂缝的高导流能力使得其渗流规律已经和压裂前大不一样,二项式产能方程已无法描述气井的生产状况,必须建立新的方程。

Thus, microbial carbonates should be classified within the limestones. Similar to reef rocks, microbial carbonates are frequently developed in strata from the Precambrian through to the Phanerozoic, in three forms: reef, biostrome and bioherm.

微生物碳酸盐岩,总体上构成生物作用类碳酸盐岩中的粘结岩类,以其明显的微生物作用特点而具有自己的分类体系;它不但作为生物礁岩石的主要类型,而且也常常以生物礁、生物层和生物丘三种形式发育在地层之中。

Micropaleontological experts An and Lee from China and Korea respectively, made an important contributions to the study of conodonts and biostratigraphy for their countries.

微体古生物学家安太庠和李河荣分别为中国和韩国的牙形学及其生物地层学研究做出了重要贡献。

The biostratigraphy of Cretaceous/Tertiary boundary sections from eight localities is summarized and compared in order to define a continuous or complete section.

本文总结了八个地区白垩纪—第三纪界线的生物地层资料,试图确定一个完整的连续剖面。

The aim of the investigation is to build up a more precise stritigraphic sequence and a corresponding environmental index based on a combination of evidence in the research of petrology, biostratigraphy, paleomagnetism, sedimentation, and isotope.

在结合岩石及生物地层、古地磁、沉积环境、碳氧同位素等研究方法的综合证据基础上建立较精确的地层层序及其相对应的环境指标。

The construction of the biostratigraphic database involves all geologic ages and countrywide biostratigraphic databases, and it can strengthen the techno-support function of the basic discipline and promote the development of biostratigraphy.

建设涵盖各地质断代和全国范围的古生物地层学数据库,加强基础学科技术支撑作用,促进学科发展。

Professor Xing is one of the few earliest specialists in the study of Precambrian microplants in the world and he has been long devoted to researches on Precambrian microplants and biostratigraphy.

邢裕盛教授长期从事前寒武纪微古植物及生物地层研究,为国际上最早研究前寒武纪微古植物的少数专家之一。

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