syt 5478-2003 碳酸盐岩成岩阶段划分

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1、ICS75.010E11备案号:11563-2003SY中华人民共和国石油天然气行业标准SYiT5478-2003代替SY/1'5478-92碳酸盐岩成岩阶段划分Thedivisionofdiageneticstagesincarbonaterocks2003一03一18发布2003一08一01实施国家经济贸易委员会发布SY/`C5478-2003目次前言···································································································，·············

2、·⋯⋯I1范围············································································································⋯⋯12术语和定义···································································································⋯⋯13成岩阶段划分的依据························································

3、··································⋯⋯14成岩阶段的划分及其特征·············，···········································⋯⋯“···⋯⋯”·“““”‘’24.1成岩阶段的划分·····························································································⋯⋯24.2各成岩阶段的特征·····，··············································

4、·····································一25各成岩阶段的标志·························································································⋯⋯25.1同生成岩阶段·························································································，·⋯⋯25.2早成岩阶段·········································

5、·························································⋯⋯55.3中成岩阶段··································································································⋯⋯65.4晚成岩阶段1，······】·，，，，··，】···，·，，·······，·，·，····················································⋯⋯75.5表生成岩阶段··············

6、·················································································⋯⋯8SY/fi5478-2003oil舀在碳酸盐岩成岩历史演化阶段中，其中的有机质成熟并形成烃类的演化阶段性很明显。且由于海平面升降及地壳运动使沉积物和碳酸盐岩处于暴露或埋藏，形成不同的成岩环境及其产物。本标准以烃类演化的阶段性结合成岩环境、岩石学特征、次生空隙类型划分成岩阶段。与SY/T5478-92相比主要变化如下:—增加了中成岩阶段;—补充了表生成岩阶段的内容。本标准从生效之日起，同时代替SY/I'5478-9

7、20本标准由石油地质勘探专业标准化委员会提出并技术归口。本标准起草单位:中国石油天然气股份有限公司西南油气田分公司勘探开发研究院。本标准主要起草人:孔金祥、李国蓉。www.bzfxw.comSY/T5478-2003碳酸盐岩成岩阶段划分1范围本标准规定了碳酸盐岩成岩阶段的划分、依据、标志和方法。本标准适用于石油天然气行业碳酸盐岩成岩阶段的划分及特征研究。2术语和定义下列术语和定义适用于本标准。2.1成岩阶段diageneticstage碳酸盐沉积物沉积之后至碳酸盐岩变质之前的无机组分和有机组