山东沾化凹陷孤岛油田馆上段浅水湖泊沉积

• 基础地质·矿产·盆地 • 上一篇下一篇

山东沾化凹陷孤岛油田馆上段浅水湖泊沉积

王蛟^1,2

1.中国石油化工股份有限公司胜利油田有限公司孤岛采油厂，山东东营 257231;2.中国石油化工股份有限公司胜利油田有限公司博士后科研工作站，山东东营 257015

收稿日期:2006-07-15 修回日期:1900-01-01 出版日期:2007-05-26 发布日期:2007-05-26
通讯作者: 王蛟

Oscillating Shallow Lacustrine Sediment of the Upper Guantao Formation of Gudao Oilfield in Zhanhua Seg，Shandong Province

WANG Jiao^1,2

1.Gudao Oil Production Factory, Shengli Oil Field, SINOPEC, Dongying, Shandong 257231, China;2.Work Station of Postdoctoral, Shengli Oil Field, SINOPEC, Dongying, Shandong 257015, China

Received:2006-07-15 Revised:1900-01-01 Online:2007-05-26 Published:2007-05-26
Contact: WANG Jiao

摘要/Abstract

摘要： 综合研究钻井、古生物和测井资料，认为孤岛油田新近系馆陶组上段馆1+2砂层组沉积时期发育浅水湖泊而非单一的河流相沉积。浅水湖泊湖盆地形平坦,湖面广阔,水体极浅；湖区受气候影响,湖平面频繁振荡式升降变化；沉积物多表现为氧化、还原环境交替的红灰相间的细粒沉积物；湖泊沉积构造发育，生物富集，水进→水退沉积旋回性明显。通过取心井的观察描述和分析化验，识别出水道砂坝、砂坪、混合坪、泥坪和沼泽5种沉积微相类型，建立了孤岛油田馆1+2砂层组浅水湖泊沉积模式。

关键词: 孤岛油田, 馆陶组, 馆1+2砂层组, 浅水湖泊, 沉积模式

Abstract: Based on comprehensive study of outcrops, fossils, drilling data and well logging, shallow lacustrine facies, instead of unitary fluvial facies, were recognized in the sandstone-bearing sequence of upper Guantou Formabion， in Gudao oilfield. The shallow lacustrine deposits are special in that the lake topography is smooth, lake surface is wide, water body is very shallow. Lake level changes are frequent influenced by mainly the corresponding climate changes. Deposit mainly are alternative mostlyred mudstone and grey mudstone which showing oxidizing and reducing environment. Sedimentary features show that sedimentary structure generally occur in shallow lakes and creature genesis structure growing, waterplane rise→decline depositoinal cycle obviously. Through taking the observation of core hole, describe and analyse lab test, five microfacies(water channel, sand flat, mixed flat, mud flat and marsh) can be distinguished, established the sedimentary model of Ng1+2 sand sets in Gudao oilfield.

Key words: Gudao oilfield, Guantao Formation, Ng1+2 sand sets, shallow lakes, sedimentary model

中图分类号:

P512.2

王蛟. 山东沾化凹陷孤岛油田馆上段浅水湖泊沉积[J]. J4, 2007, 37(3): 500-0505.

WANG Jiao. Oscillating Shallow Lacustrine Sediment of the Upper Guantao Formation of Gudao Oilfield in Zhanhua Seg，Shandong Province[J]. J4, 2007, 37(3): 500-0505.

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