| 1. | The diagenetic environment results in different water - rock reaction and development of secondary porosity
成岩环境在一定程度上影响了水岩反应及次生孔隙发育。 |
| 2. | They changed the porosity characteristics of sandstone , engendering new benefit storing beds consisted with secondary porosity
浊沸石矿物是长6砂岩中普遍的胶结物，它的形成与火山物质水化有关。 |
| 3. | Dissolition is favorable for secondary porosity , thus forming available reservoirs in some sections of low porous and low permeable clastic rocks
从而使某些砂岩段在低孔低渗储层中形成较发育的次生溶蚀孔隙和成岩微裂缝，并成为有效孔隙。 |
| 4. | At the late diagenesis phase , the dissolution of frame grains , especially the dissolution of felspar and laumontite , is the key to form secondary porosity
朵状砂体的大小直接控制油藏的范围及规模，靖安地区的主要油藏多沿不同的朵状体成排分布。 |
| 5. | During diagenetic process , the main factor destroying porosity is function of pressure and cementation . secondary porosity formem formed by unsteady mineral is beneficial to formation ' s development
成岩作用中，压实作用、胶结作用、自生粘土矿物的沉淀是破坏孔隙的主要因素；不稳定矿物溶蚀形成的次生孔隙有利于储层的发育。 |
| 6. | The diagenesis may result in the variations in pore structures of sandstone reservoirs ; the compression and cementation may lead to the decrease in valid primary porosity of sandstones , and the secondary porosity generated by solution may serve as main oil storage spaces
压实作用和胶结作用降低了砂岩的原生孔隙度，溶解作用产生的次生孔隙成为主要的汕气储集空间。 |
| 7. | The main principle problems in the study area include , the diagenetic history , the type of sandstone , the source of the sandstone type , the source of cement , the source rocks for generation petroleum , the formation of secondary porosity , the oil migration , and reservoir quality
论文在成油体系分析的基本思路指导下，探讨东营凹陷南部斜坡带孔店组储集砂岩的矿物组成、物源方向、胶结作用、成岩作用动力学过程，以及次生孔隙发育与油气生成聚集的关系。 |
| 8. | At the same time , structural strike varied from n w - se to ne - sw . with diagenetic evoluation analysis , there are three secondary porosity zones , two of them located in the upper part of the profile whose porosity is small , the other one is located in the lower part whose porosity is up to 10 % - 18 %
根据成岩演化分析可知，研究区内共发育有三个次生孔隙发育带，上部的两个带孔隙度较小，下部次生孔隙带较发育，孔隙度可达10 18 ，其深度介于3500 3700m之间。 |
