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Depositional facies and reservoir characteristics of the Early Cretaceous Lower Goru Formation,Lower Indus Basin Pakistan:Integration of petrographic and gamma-ray log analysis

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Petroleum 2023年第3期9卷 331-341页

作者： Qamar UZ Zaman Dar Pu Renhai Shahid Ghazi shakeel ahme Rana Imran Ali Mubashir Mehmood Department of Geology Northwest UniversityXi'an710069China Institute of Geology University of the PunjabLahore54000Pakistan Oil and Gas Development Company Limited Islamabad44000Pakistan Kuwait Foreign Petroleum Exploration Company(Kufpec) Islamabad44000Pakistan Department of Geology Abdul Wali Khan UniversityMardan23130Pakistan

The sand intervals of the Early Cretaceous Lower Goru Formation are a conventional reservoir,generally distributed in the Middle and Lower Indus Basin of *** formation is classified into two parts;the upper parts are predominantly composed of shale,siltstone,and thin layers of alternate shale and sandstone,while the lower parts are composed of sandstone with interlayering of shale and *** sandstone of the Lower Goru Formation has been further divided into A,B,C,and D sand intervals based on reservoir *** depositional facies and reservoir characteristics are essential for the evaluation of hydrocarbon exploration and *** paper aims to evaluate the depositional environment and reservoir characterization of the siliciclastic reservoir of the Early Cretaceous Lower Goru Formation by integrating the gamma-ray log patterns and petrographic analysis and scanning electron microscopic(SEM)*** characterization of the sand intervals and Gamma-ray log signatures were used for the interpretation of the depositional environment of the reservoir *** analysis reveals that the sandstone of the Lower Goru Formation is fine-to medium-grained,well-sorted,arkose or feldspathic *** intergranular macroporosity,secondary intragranular macropores,and Intercrystalline micropores were identified within the sandstone by the SEM *** diagenetic analysis suggests that the sandstone possesses high porosity,low permeability,and has undergone significant alterations such as compaction,quartz cementation,feldspar dissolution,and clay minerals *** electrofacies are interpreted based on gamma-ray log patterns including(1)funnel shape(FA);(2)bell shape(FB);(3)cylindrical shape(FC);(4)bow shape(FD);and(5)serrated shape(FE)*** interpreted facies results reveal shoreface environment for A-sand,Tidal flat for B-sand,mixed tidal flat for C sand,Tide dominated mixed fo

关键词： Depositional facies Early cretaceous Electrofacies Gamma-ray pattern Lower goru Petrographic analysis

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An approach of the internal friction-dependent temperature changes for conventional and pure biogenic lubricating greases

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Friction 2024年第4期12卷 780-795页

作者： Leif ahme Erik KUHN MiguelÁngel DELGADO Department of Mechanical Engineering and Production Management Hamburg University of Applied SciencesHamburg 20099Germany Department of Chemical Engineering Research in Product Technology and Chemical Processes(Pro2TecS)University of HuelvaHuelva 21071Spain

This work investigated the temperature changes inside the bulk of lubricating greases under controlled high-shear stress conditions(250-500 s-1).For this purpose,a newly developed temperature-measuring cell called Calidus was successfully *** temperature changes(ΔT)have been related to the greases'components(thickener,base oil-type,and composition)and the structural degradation of the lubricating ***,a theoretical approach was proposed for calculating the internal temperature change of lubricating greases during shear *** greases showed an internal temperature profile characterised by a sudden rise inΔT within the first 4 h from starting the test and subsequentΔT decay until it reaches the steady state ***,it was found that greases C1 and C5,formulated with lithium and calcium soap,respectively,with different soap content(16.1 wt%and 9.7 wt%,respectively),but the same base castor oil,showed the highest value of the maximumΔT,c.a.3.2 K,and the most drastic drop ofΔ*** greases showed both the highest specific densities and heat *** addition,they showed the lowest ratio of expended energies(Rtee),which means more structural degradation in the stressed *** the contrary,the grease C3,with 13 wt%of Li-soap but the lowest base oil's viscosity,showed the lowest maximumΔT and the temperature profile was characterised by a moderate variation ofΔT along the *** biogenic grease B3 developed a low-temperature change in the group of pure bio-genic greases close to grease C3.

关键词： shear-induced structural degradation rheology temperature measurements lubricating greases density lubricating greases specific heat capacities

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杂波环境下跟踪多目标的自适应联合概率数据相关算法

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电光系统 1998年第1期 17-23页

作者： ahme.,SS

提出了一种联合概率数据相关滤波器，它利用自适应更新时间来跟踪杂环环境中的目标，并与利用恒定更新时间的联合概率数据相关滤波器做了比较，利用蒙特卡罗模拟，根据不同的目标轨迹对算法的跟踪性能进行了估计。

关键词：数据相关算法多目标跟踪雷达相控阵雷达

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CO2最小混相压力的预测

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采油工艺情报 1997年第1期 11-20页

作者： ahme.,TH 王超

本文对预测原油用ＣＯ２的多次接触混相驱替所需要最小混相压力（ＭＭＰ）提出了一种实际方法。该技术与新近介绍的“混相函数”一起，以适用的、修正了的Ｐｅｎｇ及Ｒｏｂｉｎｓｏｎ状态方程（ＰＲＥＯＳ）为基础。混相函数可提供ＭＭ... 详细信息

本文对预测原油用ＣＯ２的多次接触混相驱替所需要最小混相压力（ＭＭＰ）提出了一种实际方法。该技术与新近介绍的“混相函数”一起，以适用的、修正了的Ｐｅｎｇ及Ｒｏｂｉｎｓｏｎ状态方程（ＰＲＥＯＳ）为基础。混相函数可提供ＭＭＰ的精确预测。这篇文章的目的是证明这种混相函数是如何利用ＣＯ２驱替确定烃类混相驱系统所需的必要条件的。通过拟合由细管实验驱替数据确定的几个最小混相压力值，可以说明本方法的有效性及用途。

关键词：混相函数混相压力预测驱替混相驱油

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能作三维测量的小型激光风速叶

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国外计量 1991年第1期 48-51页

作者： ahme.,NA 何瑜

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水稻籽粒大小和形状的遗传

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国外作物育种 1996年第4期15卷 8-9页

作者： ahme.,T 向平

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用DBHQ非萃取分光光度法测定合金和环境,生物和土壤样品中的钒（V）

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国外分析仪器技术与应用 1996年第4期 55-59页

作者： ahme.,MJ

本文介绍一种在稍微酸性的溶液（０．０００１５－０．０１６ｍｏｌ＾－１Ｈ２ＳＯ４）中，用５．７－二溴－８－羟基喹啉（ＤＢＨＱ）作新型分光光度试剂，快速测定钒（Ｖ）的超灵敏和高选择的非萃取分光光度法。反应是瞬时的，吸光度... 详细信息

本文介绍一种在稍微酸性的溶液（０．０００１５－０．０１６ｍｏｌ＾－１Ｈ２ＳＯ４）中，用５．７－二溴－８－羟基喹啉（ＤＢＨＱ）作新型分光光度试剂，快速测定钒（Ｖ）的超灵敏和高选择的非萃取分光光度法。反应是瞬时的，吸光度保持稳定超过４８ｈ。发现平均摩尔吸收系数和Ｓａｎｄｅｌｌ灵敏度分别为６．１×１０＾３ｌｍｏｌ＾－１ｃｍ＾－１和０．０１５μｇｃｍ＾－２Ｖ（Ｖ）。获得了０．１－２０μｇｍｌ＾－１（

关键词：分光光度法钒测定

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