渤海湾盆地垦东地区新近系断裂特征及其控藏作用

武云云; 马立驰; 杨贵丽; 刘晓林; 王志英; 赵约翰; 谢传金

doi:10.11781/sysydz201701065

渤海湾盆地垦东地区新近系断裂特征及其控藏作用

doi: 10.11781/sysydz201701065

中国石化胜利油田分公司勘探开发研究院, 山东东营 257015

基金项目: 国家科技重大专项“渤海湾盆地勘探关键技术”（2011ZX05006）资助。

详细信息

作者简介:
武云云(1983-),女,工程师,从事油气勘探综合研究。E-mail:wuyunyun.slyt@sinopec.com。

中图分类号: TE122.3
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出版历程
- 收稿日期: 2016-05-31
- 修回日期: 2016-12-08
- 刊出日期: 2017-01-28

Fault characteristics and their controls on hydrocarbon accumulations in Neogene, Kendong area, Bohai Bay Basin

Research Institute of Exploration and Development, SINOPEC Shengli Oilfield Company, Dongying, Shandong 257015, China

摘要

摘要: 利用基础地质、钻、测、录井及三维地震资料，结合相干分析技术，对渤海湾盆地垦东地区断裂几何学和运动学特征进行了研究，在此基础上分析了断裂对成藏要素的控制作用。结果表明，研究区主要发育NNE、NEE、NWW走向断裂体系，受郯庐断裂早期活动影响，研究区断裂活动具有古近纪“西强东弱”、“南强北弱”，新近系“西弱东强”、“南弱北强”的特点。不同成因类型断裂对成藏要素的控制作用不同，拉张型断裂主要形成简单断块型圈闭，张扭（扭张）型断裂形成复杂断块和断层—岩性圈闭，压扭型断裂形成背斜构造圈闭；断裂对储层的控制，表现在储集砂体临近张性断层、远离扭性断层发育的一般规律；拉张型、张扭（扭张）型断层和压扭型断层封闭性依次增强，油气一般在封闭性较强的油源断层附近富集。
- 断裂特征 /
- 油气聚集 /
- 控藏作用 /
- 垦东地区 /
- 渤海湾盆地
Abstract: We studied the geometric and kinematic characteristicsof faults in the Kendong area of the Bohai Bay Basin, and analyzed their controls on hydrocarbon accumulations, based on basic geology, well drilling, testing, logging and 3D seismic data. The study area mainly developed on NNE, NEE and NWW oriented fracture systems. Affected by the early activity of Tanlu Fault, faulting in the western and southern parts of the study area was stronger than that of the eastern and northern parts in the Paleogene, but the reverse in the Neogene.Different types of fractures had different controlling functions on hydrocarbon accumulation elements. Tensile fractures mainly formed simple fault block traps, transtensional(torsion) fractures formed complex fault block and fault-lithological traps, and compresso-shear fractures formed anticlinal structural traps. Reservoirs controlled by faults generally followed a principle that sand bodies developed near extensional faults and away from torsion faults. Sealing of extensional faults, transtensional (torsion) faults, compresso-shear faults enhanced in order, and hydrocarbon usually accumulated near the oil source faults with better sealing conditions.
- fault characteristics /
- oil and gas accumulation /
- controlling reservoir /
- Kendong area /
- Bohai Bay Basin

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