成岩作用

成岩作用已达到晚成岩作用的B期。

It is concluded that the diagenesis stage has been up to stage-B of late diagenesis .

碳成岩作用对锰碳酸盐形成过程中C和O同位素组成影响很大。

Carbon diagenesis has an important effect on carbon and oxygen isotope compositions during the formation of manganese carbonates .

埋藏成岩作用可使蒙脱石进一步转化，最终产物决定于ph值及孔隙水的化学性质。

Burial diagenesis causes a progressive transformation of smectites , the end-products being dependent on PH and pore water chemistry .

结果表明，储层岩石为长石质岩屑砂岩，成岩作用进入早成岩B亚期；

It indicates that the reservoir is of feldspathic litharenite rock , and its diagenesis is in the B substage of diagenetic pre period .

基于碳酸盐矿物及本区浅层CO2的同位素组成对比分析，并结合浅部储层成岩作用与CO2的相互关系，认为CO2可能来自第三系钙质泥岩。

The correlation of isotopic constitution and the relations between diagenesis and CO2 indicate that CO2 mainly derived from Tertiary Ca-Mud rocks .

研究区储层经历的成岩作用主要有压实作用、胶结作用、溶蚀作用等，其成岩演化史经过三个阶段，目前处于中成岩B阶段。

The diagenesis types are compaction , cementation and denudation , with diagenesis history divided into three phases , and the diagenesis reaches middle diagenesis phase B period .

埕岛东斜坡地区东三段至沙一段的沉积砂体成岩作用阶段基本已进入晚成岩A、B期。

The diagenesis of the ED3 and ES , sandstone has been evoluted to late diagenesis A and B stage , with mainly primary pores and secondary solved pores .

根据成岩作用现象及划分标志，本区侏罗系地层可划归于埋藏成岩阶段的早成岩B亚期，晚成岩A亚期及表生成岩期。

It is evidently concluded that Jurassic rocks in this area have undergone burial diagenesis , and can be classified as B sub-period of eogenetic , A sub-period of telogenetic and epidiagentic stages .

由此推断，成岩作用比中成岩阶段A2亚期更弱的储层物性将会更好。

By inference , diagenesis diagenetic stage than in the A2 sub-period of weaker reservoir properties will be better .

菲/蒽和荧蒽/芘比值显示沉积物中PAHs来自化石燃料的燃烧和成岩作用的输入。

The ratios of phenanthrene to anthracene and fluoranthene to pyrene suggested that PAHs in the sediments were derived from combustion of fossil fuels and petrogenic inputs .

通过对X-射线衍射谱图的分析，计算出Ca离子和Mg离子的mol分数，鉴别出铁白云石和含铁白云石，为研究成岩作用和白云化模式提供实验依据。

By analysis to X-ray diffraction spectrum , computing out the mole factions of Ca and Mg ions , distinguishing out ankerite and ferrodolomite , for studying the diagenesis and dolomitization model , the experiment basis is provided .

如，澳大利亚西北部Kimberley盆地中未变质的古元古代砂岩中自生磷钇矿的SHRIMP定年将成岩作用限定在7Ma的误差范围之内。

The SHRIMP dating on the authigenic xenotimes in Paleo Proterozoic un metamorphosed sandstone in Kimberley Basin of Northwestern Australia limits the depositional age within an error of 7 Ma .

海西运动期间褶皱地层可能倒转，抬升剥蚀可能达5000m左右，接着发生退成岩作用。

The folded strata might have been inverted during Hercynian movement , uplifted and eroded about 5 000 m and associated with ' retrodiagenesis ' .

根据岩芯观察，解释了三角洲和深水浊积扇C-M图不同段的沉积环境意义，同时也研究了成岩作用对粒度特征的影响。

Core analysis indicates that the different fragments in C-M diagram of the delta and turbidite fan represents the different sedimentary sub-environment .

溶蚀作用发生在成岩作用的各个阶段，以早期大气淡水渗滤作用形成选择性溶蚀和深埋藏阶段含CO2和H2S流体对全岩的溶蚀作用为主。

Dissolution , which can occur in every diagenetic stage , is dominated by selective dissolution resulted from percolation of meteoric water in the early diagenetic stage and the whole rock dissolution resulted from CO2 and H2S fluids in the deep burial diagenetic stage .

莺歌海盆地LD15-1构造莺黄组砂岩储层的成岩作用

Diagenesis of sandstone reservoirs in Upper Tertiary Ying-huang formation , LD 15-1 prospect of Yinggehai Basin

2次生溶蚀相、白云岩化相、风化淋滤相、绿泥石薄膜胶结相和TSR相等建设性成岩作用是优质储层及大油气田分布的有利区；

The second is the constructive diagenesis are high quality reservoir and favorable distribution region of large oil-gas fields such as secondary corrosion facies , dolomite lithification facies , weathering leaching facies , chlorite thin film cementation facies and TSR facies ;

三亚组一段（T52）～陵水组一段（T61）只有西区的小部分地区进入晚期胶结相，成岩作用较强，其它大部分地区储层物性仍较好。

Sanya group a ( T52 ) Lingshui group a ( T61 ) only a small part of the western region has entered the late phase cementation , diagenesis strong , most of the other regions are still good reservoir properties .

埋藏成岩作用的温度与压力条件（75℃～130℃，20MPa～30MPa）下，乙酸对白云岩的溶蚀实验证明，随着温度与压力的升高，白云岩的溶解速率迅速增大。

Experiment for dolomite dissolution by acetic acid has been run under the conditions of temperature and pressure of burial diagenesis ( 75 ￣ 130 ℃, 20 ￣ 30MPa ) . The result shows that Dissolution rate of dolomite increases quickly with the increase of temperature and pressure .

成岩作用使砂岩原生孔隙体系发生强烈变化。

Diagenesis have strongly changed primary pore system of the sandstones .

成岩作用及成岩后生作用是控制本区储集层发育的主要因素。

Diagenesis and epigenesis are major factors to control reservoir development .

本区储层主要受构造、沉积和成岩作用影响。

Reservoir is mainly influenced by tectonic , deposition and diagenesis .

该套储层经历的主要建设性成岩作用是表生期溶蚀作用。

The chiefly constructive diagenesis of this is supergene corrosion effect .

碎屑岩层序地层与成岩作用时空关系研究新进展

Time-space relation study of diagenesis and sequence stratigraphy for Clastic Rock

埋藏环境下碳酸盐岩建设性成岩作用类型、特征及其意义

Types and characterstics of carbonate rock constructive diagenesis in burial environment

储层性质明显地受到沉积微相和成岩作用的影响。

The reservoir quality is controlled mostly by sedimentary microfacies and diagenesis .

古地温场是决定砂岩成岩作用的关键因素。

Paleogeotherm field is the key factor for sandstone diagenesis .

塔里木盆地东北部奥陶-志留系沉积成岩作用

Ordovician - Silurian sedimentation and diagenesis in northeastern Tarim basin

具二氧化碳气顶储层的成岩作用研究

Study of diagenesis of reservoir with a co_2 gas cap

一种考虑成岩作用的砂岩孔隙度解释方法

An interpretation method for sandstone porosity based on diagenesis effect