Fluid origin of burial dolomitization and hydrocarbon accumulation model of backward charging in Changxing formation, NE Sichuan basin
川东北长兴组埋藏白云石化流体来源与油气倒灌式成藏
Grain dolostone is formed in the deep burial dolomitic environment by mixing-water dolomitization.
礁白云岩具有典型的混合带白云石化特点,受海平面频繁变化影响;颗粒白云岩的形成与混合水白云石化作用和深埋藏成岩作用有关;准同生白云石化或卤水回流渗透白云石化是泥晶-微晶白云岩(含膏云岩)的形成机制。
These characteristics reflect that dolomitization occurred in synsedimentary heavy brine environme.
这些特征反映了白云石化作用发生在准同生超浓缩卤水条件下,古盐度为36。
Results The conclusions are the favorable original facies belt,the degree and types of dolomization,karstification in deep depth,fracturing and its associated fractures are the keys to the development of the reservoir.
结果有利的原始沉积相带、白云石化作用的程度与类型、深埋岩溶作用、断裂作用及其伴生裂缝是储层发育的关键。
The present paper suggests that karstification and dolomitization are the most important formation mechanisms of the Lower Paleozoic carbonate reservoir rocks in Jiyang Depression,depending on the study of the trace elements(Mn,Sr) and stable isotope(O,C,Sr).
通过对济阳坳陷下古生界碳酸盐岩的锰、锶等微量元素及氧、碳、锶等同位素的测试与分析研究,认为岩溶作用和白云石化作用是济阳坳陷下古生界碳酸盐岩储层形成最为重要的成因机理。
Nowadays,the progress of research about dolomitization and the issue of dolostone has been acquired.
近年来,关于白云石化作用及白云岩问题,取得了更深层次的发展。
By analyzing the accessory element such as Mn, Sr, Mg, etc, and isotope such as ~ 13 C, ~ 18 O, ~ 87 Sr/~ 86 Sr etc, the authors consider that the most important mechanism of the carbonate reservoir of Lower Paleozoic are dolomitization and karstification.
通过对桩海地区下古生界碳酸盐岩的锰、锶、镁等微量元素及氧、碳、锶等同位素的测试与分析研究认为,白云石化作用和岩溶作用是济阳坳陷桩海地区下古生界碳酸盐岩潜山储层最为重要的成因机制。
Results showed that the dedolomitization of dolomitic rock takes place in situ.
结果表明 ,白云岩中的去白云石化反应属原位化学反应 ,反应仅限定在界面处集料边缘反应环的窄小区间内 ,反应生成的胶体尺寸的水镁石吸附 OH-离子形成带负电的扩散双电层 ,阻止 OH-离子向白云岩内部迁移 ,水镁石和方解石在有限空间成核与生长 ,形成无序排列的水镁石和方解石晶
Methods for chemical analysis of limestone and dolomite The determination of phosphorus content
GB/T3286.6-1998石灰石、白云石化学分析方法磷量的测定
Methods for chemical analysis of limestone and dolomite The determination of sulphur content
GB/T3286.7-1998石灰石、白云石化学分析方法硫量的测定
Crystalline dolostone is formed by seepage-reflux dolomitization and burial dolomitization.
晶粒白云岩有两种成因：一为回流渗透白云石化；二为深埋藏白云石化。
Methods for chemical analysis of limestone and dolomite The determination of calcium oxide and magnesium oxide content
GB/T3286.1-1998石灰石、白云石化学分析方法氧化钙量和氧化镁量的测定
Methods for chemical analysis of limestone and dolomite The determination of silicon dioxide content
GB/T3286.2-1998石灰石、白云石化学分析方法二氧化硅量的测定
Methods for chemical analysis of limestone and dolomite The determination of aluminium oxide content
GB/T3286.3-1998石灰石、白云石化学分析方法氧化铝量的测定
Methods for chemical analysis of limestone and dolomite The determination of carbon dioxide content
GB/T3286.9-1998石灰石、白云石化学分析方法二氧化碳量的测定
Methods for chemical analysis of limestone and dolomite The determination of iron oxide content
GB/T3286.4-1998石灰石、白云石化学分析方法氧化铁量的测定
Methods for chemical analysis of limestone and dolomite The determination of manganese oxide content
GB/T3286.5-1998石灰石、白云石化学分析方法氧化锰量的测定
Methods for chemical analysis of limestone and dolomite The determination of loss on ignition
GB/T3286.8-1998石灰石、白云石化学分析方法灼烧减量的测定
monohydrate dolomitic lime
单水化含白云石的石灰
THE ECONOMICAL SCALE OF THE PRODUCTION OF HYDRATED BASIC MAGNESIUM CARBONATE,LIGHT MAGNESIA AND SUPERFINE MAGNESIUM CALCIUM CARBONATE FROM DOLOMIT BY CARBONATION.;
白云石碳化法生产两镁一钙经济规模
Analyses on the Reason of Rocky Desertification Speed Difference of Dolomite and limestone in Mountain Area
白云岩和石灰岩山区石漠化速度差异原因分析
The effect of chloride on the solubility of calcite and dolomite
氯化物对方解石和白云石矿物溶解度的影响
bulk dolomite carrier
白云石运输船散装白云石船
magnesian limestone
白云石, 含镁石灰岩
calcite-dolomite thermometry
方解石-白云石测温法
Effect of Calcining Process on Assimilation and Carbonation of Calcined Dolomite Slurry
白云石煅烧工艺对灰乳消化及碳化的影响