储层物性解释方法

储层物性解释方法的研究，是为了重新描述储层物性特征。本文对某油田的测井资料进行环境校正和测井数据定量标准化分析，使油田的测井声波时差值在全区范围内具有连续性和可比性，在此基础上，研究油田储层物性解释方法。     

多井测井解释在SKZ油田的应用

根据SKZ油田砂岩油藏的地质特点,以测井资料为依据,结合取心、岩电、测试等分析资料,应用测井多井解释技术,建立了SKZ油田砂岩储层参数解释模型。在此基础上,研究了储层岩性、物性的平面变化特征。其研究结果与岩心物性数据及区域地质背景符合完好,为SKZ油田的经济可采储量评价提供了精度更高的测井储层数据。     

红柳泉油田储层E31四性关系研究及其应用

红柳泉油田E31储层是重要的滚动勘探开发目的层之一,其储层物性较差,成岩作用复杂,导致储层非均质性较强,因此对其储层特征的研究工作已成为研究重点。本文通过对红柳泉油田E31储层岩心、录井和试采资料的收集、整理和分析,结合测井资料分析,明确了该地区E31储层的岩性、物性、含油性和电性及其相互关系,确定出了该区的岩性、电性、物性下限标准,进而为油水层解释和储层评价提供有力的依据。     

渭北油田延长组储层四性关系的研究

储层"四性"关系是指储层的岩性、物性、电性和含油气性之间的关系。本文通过结合测井、录井、岩心、分析化验和岩电资料对渭北油田延长组储层四性关系进行了综合分析研究,明确了其储层四性之间的关系,进而为油层解释和储层评价奠定了基础。     

风城油田重37井区齐二段储层四性关系研究

通过分析岩心、测井及分析化验等资料,对风城油田重37井区齐二段储层四性关系进行研究,明确了该区储层岩性、电性、物性及含油性之间的关系特征。研究结果表明齐二段储层岩性以中细砂岩为主、其次为含砾砂岩。该区储层具有高孔高渗的特点,物性越好含油级别越高。通过建立各储层参数测井解释模型并结合试油资料,确定了储层物性下限标准:电阻率≥16Ω?m,孔隙度≥26%,含油饱和度≥50%。为储层精细刻画评价奠定坚实基础,为指导生产调控提供依据,对提高油田生产效果具有重要的指导意义。     

子北油田毛家河油区长6储层“四性”关系研究

本文以子北油田毛家河油区地层的岩心分析资料、录井、测井资料为依据,在分析了地层的岩性、物性特征的基础上,开展其四性关系的研究,并建立了泥质含量计算模型,孔隙度解释模型,渗透率模型以及含水饱和度计算模型。建立的解释模型具有较高的精度,对提高该区油藏储层测井精细解释的准确性具有实际意义。为子北油田的开发评价和储量计算打下了基础。     

杨楼油田测井解释方法研究

针对杨楼油田储层埋藏浅、储集物性好,为中-高孔、中-高渗储层,且岩性较细的特点,通过应用测井、岩心、试油等资料,在含油性、岩性、物性特征研究的基础上,建立杨楼油田的储层参数解释模型和油水层识别标准,并以此标准对该油田新井进行应用。     

油藏描述中储层参数测井解释模型的建立

建立准确的储层参数测井解释模型，为储层研究提供基础地质数据，是油藏精细描述的关键和重要基础。本文以文中油田文15块为例，论述了从关键井研究出发，分析储层岩性、物性、含油性和电性四者之间的关系，并以此为基础建立物性参数测井解释模型的研究过程。通过验证所建模型误差小，解释精度高，操作简单，在区块应用中取得了很好的效果。     

大芦家临53块东二段电性标准建立与应用

根据临盘油田浅层油气层分布特点,以测井信息为基础,结合试油试采井测井资料进行分析。在对临53块东二段测井资料标准化处理基础上,开展储层物性、岩性、电性、含油性研究;利用交会图技术确定不同油藏类型的油水、油干界限标准,建立适合储层特点的油气层测井解释标准,并对标准的适用性进行了分析,为今后东二段储层整体评价和开发调整提供依据。     

甘谷驿油区延长组长6储层“四性”关系研究

通过对延长油田甘谷驿油区岩心、录井、测井和试油等资料的研究分析,明确了该区储层的岩性、物性、含油性和电性特征及其相互关系,并建立了储层参数的测井解释模型和响应方程,得出了该区的油水层电性识别标准和有效厚度下限标准,从而为甘谷驿油区进一步开发评价和增储、增产提供了有力依据。     

佛山市顺德新城区降水中污染物的监测和分析

为掌握佛山市顺德新城区降水中污染物的情况,2015年7月至8月,文章作者分别在雨天进行了降水取样,对降水中的pH、电导率、常见阴离子(F-、Cl~-、NO_3~(2-)、SO_4~(2-))及部分重金属(铅和镉)进行监测分析。选择有相关数据的珠江三角洲和石家庄、厦门等地的降水中污染物的情况进行对比。结果表明,顺德新城区降水中的p H和部分阴离子浓度优于珠江三角洲平均值,酸雨类型属于硫酸和硝酸混合型;其水体洁净程度略差于石家庄;铅和镉的浓度也高于厦门,甚至部分超出了人体能直接接触的安全范围。     

Metabolism of trideuterated iso-lignoceric acid in rats in Vivo and in human fibroblasts in culture

Saturated very long chain fatty acids (fatty acids with greater than 22 carbon atoms; VLCFA) accumulate in peroxisomal disorders, but there is little information on their turnover in patients. To determine the suitability of using stable isotope-labeled VLCFA in patients with these disorders, the metabolism of 22-methyl[23,23,23-²H₃]tricosanoic (iso-lignoceric) acid was studied in rats in vivo and in human skin fibroblasts in culture. The deuterated iso-VLCFA was degraded to the corresponding 16- and 18-carbon iso-fatty acids by rats in vivo and by normal human skin fibroblasts in culture, but there was little or no degradation in peroxisome-deficient (Zellweger’s syndrome) fibroblasts, indicating that its oxidation was peroxisomal. Neither the 14-, 20-, and 22-carbon iso-fatty acids nor the corresponding odd-chain metabolites could be detected. In the rat, the organ containing most of the iso-lignoceric acid, and its breakdown products, was the liver, whereas negligible amounts were detected in the brain, suggesting that little of the fatty acid crossed the blood-brain barrier. Our data indicate that VLCFA labeled with deuterium at the ω-position of the carbon chain are suitable derivatives for the in vivo investigation of patients with defects in peroxisomal β-oxidation because they are metabolized by the same pathways as the corresponding n-VLCFA. Moreover, as iso-VLCFA and their β-oxidation products are readily separated from the corresponding n-fatty acids by normal chromatographic procedures, the turnover of VLCFA can be more precisely measured. A preliminary report of part of this work (Reference 18) was presented at the 5th International Symposium on the Synthesis and Applications of Isotopes and Isotopically Labelled Compounds, Strasbourg, France, June 20–24, 1994.     

高效液相色谱法分析化妆品中微量成分的研究进展

综述了高效液相色谱法在化妆品中防腐剂、防晒剂中紫外线吸收剂以及性激素的检测等几个方面的应用;同时,介绍了分析所用的色谱柱、流动相、使用的检测手段以及样品的提取方法;最后针对目前存在的问题,提出了高效液相色谱用于化妆品中微量成分分析的研究方向和发展前景。     

Denitrification in shallow groundwater in a coastal agricultural area in Japan

In a coastal agricultural area in the central part of Japan (Shizuoka), we found decreasing nitrate concentration with depth in a shallow groundwater, where the depth to water table varied between 0.6 and 1.2 m below ground surface. High nitrate concentrations (5–29 mg N L^–1) were often observed in the upper layer (0–2 m) of the groundwater, but the concentration decreased to less than 1 mg N L^–1 in the deeper layer. Ammonium was scarcely detected, and the concentration of dissolved oxygen was usually low (< 1 mgO₂ L^–1) in the groundwater. Nitrate in the groundwater often had very heavy nitrogen stable isotope ratios (>20{}). There was a negative relationship between nitrogen stable isotope ratio of nitrate and its concentration. When nitrate was injected into the groundwater with acetylene and bromide (a conservative tracer), nitrate concentration decreased to 20% of the initial level within 5 days, accompanied by the increase in nitrite and nitrous oxide concentration and a little change in bromide concentration. These results indicate that microbial denitrification plays a potential role in the decrease of nitrate in shallow groundwater at the study site.     

我国硝酸工业生产技术新进展

系统叙述了我国硝酸工业2000-2007年生产现状及主要技术成果,尤其指出了国产"四合一"机组的成功投运,使我国硝酸国产化装置取得较大的进步,表现在吨酸的铂耗、氨耗和能耗等方面接近国外引进装置水平,同时介绍了国外双加压法硝酸生产技术的进展.我国已成为硝酸生产大国,仍需以先进的技术改造和发展我国硝酸工业,确保我国硝酸工业健康有序地发展,加快从硝酸生产大国向强国迈进的步伐.