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| 塔里木盆地塔中地区生物礁特征及分布 | |
| 引用本文： | 欧阳睿,焦存礼,白利华,苌蘅,王玉昌. 塔里木盆地塔中地区生物礁特征及分布[J]. 石油勘探与开发, 2003, 30(2): 33-36 |
| 作者姓名： | 欧阳睿 焦存礼 白利华 苌蘅 王玉昌 |
| 作者单位： | 1. 中国石化中原油田勘探开发科学研究院 2. 中国地质大学(北京) 3. 中国石化中原油田地质录井处 |
| 摘 要： | 塔里木盆地塔中地区中、上奥陶统发育多种类型生物礁，主要造礁生物包括海绵、托盘类、层孔虫、珊瑚、隐藻类、苔藓虫、蓝绿藻、绿藻、管孔藻科红藻等，主要礁体类型为灰泥丘和少量的骨架礁、障积礁。分析钻探揭示的生物礁特征，结论是灰泥丘主要形成于棚内及棚缘内带环境，骨架礁与障积礁主要形成于棚内与棚缘环境。通过沉积相分析和地震反射特征研究，预测塔中地区的陆棚边缘相带和塔中北部斜坡的中部地带，有望找到带状或断续带状分布的生物礁带。塔中1号断裂西墙的顺托果勒西区块已发现6个地震异常反射体，从其发育层位、所处环境和内部反射特征来看，极可能是生物礁丘。图2表2参6 |
| 关 键 词： | 塔里木盆地 塔中地区 生物礁 特征 分布 灰泥丘 骨架礁 障积礁 棚内 棚缘 油气勘探 |
| 文章编号： | 1000-0747(2003)02-0033-04 |
| 修稿时间： | 2002-02-25 |
The distribution and features of reef in Tazhong Area of Tarim Basin,Northwest China |
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| OUYANG Rui,JIAO Cunli,BAI Lihu,CHANG Heng and WANG Yuchang. The distribution and features of reef in Tazhong Area of Tarim Basin,Northwest China[J]. Petroleum Exploration and Development, 2003, 30(2): 33-36 | |
| Authors: | OUYANG Rui JIAO Cunli BAI Lihu CHANG Heng WANG Yuchang |
| Affiliation: | OUYANGRui1,JIAOCun li2,BAILi hua3,CHANG Heng1,WANGYu chang1 |
| Abstract: | TherearemanydifferentkindsofreefinTazhongAreaof TarimBasin ,NorthwestChinainageofMedium UpperOrdovician .Themainreef buildingorganismsareSponges , Calathium ,Stromatoporoids ,Corals ,Crytalgaes,Bryozoans,Blue greenalgae ,ChorophyteandRhodophyteinSolenoporaceae .Thereefcanbedividedintocalcilutitemound ,frameworkreefand bafflereef .Theanalyzingonthereefencounteredduringthe drillingshowsthatthecalcilutemoundismainlyformedin continentalshelfandinnerzoneoftheshelfmargin ,while frameworkreefandbafflereefaremainlyintheshelfandtheshelf margin .Andbystudyingthesedimentaryfaciesandthefeaturesof seismicreflectioninthisarea ,itcanbepredictedthatreefwiththe distributionshapesofbeltanddiscontinuousbeltcanbefoundinthe shelfmarginareaofTazhongUpliftandinthemiddleareaof northernslopeofTazhongArea .Especially ,theareasatthewest endofNo .1fractureofTazhonginwestShutuoguoleblock ,upto nowsixanomalyreflectionbodieshavebeenfound .Dependingon thecharactersofenvironmentandfeaturesofinteriorreflectionthey areverylikelythereefmounds .Itwillhavegreateffectsontheoil andgasexplorationofthisareaincaseofthatmoreplaywouldhave beenprocessed . |
| Keywords: | TarimBasin TazhongArea reef calcilutitemound frameworkreef bafflereef continentalshelf shelfmargin oiland gasexploration |
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