摘要
通过对岩芯分析和录井资料分析得出,研究区沙一段和沙二段期间发育缓坡型扇三角洲沉积。同时通过对研究区不同时期沉积相展布特征分析,对扇三角洲的演化特征进行了总结,得出沙一段和沙二段期间扇三角洲前积能力逐渐减弱,沉积物粒度逐渐变细,其长轴方向也由北西-南东向向南北向转变。在此基础之上对有利砂体分布进行了预测,认为锦128井以南和架岭6井以东以及双203井、锦110井和锦310井之间为有利砂体较集中发育区,可作为油气勘探的重点区带。
Having analyzed core and log information, the authors hold that flat slope fan delta sediments during the development period of Member Shal and Member Sha2. At the same time, by analyzing the distribution features of sedimentary facies of the researched sections in different periods and summarizing the evolution features of fan delta, they conclude that the fan delta sedimentation gradually decreases during the period of Member Shal and Member Sha2, that the grain size of sediments gradually becomes small and that the long axis direction changes from northwest--southeast to south--north. They predict the distribution of favorable sand and hold that the three parts including the part on the south of Jing Well 128, the part on the east of Jialing Well 6 and the part among Well Shuang 203, Well Jing 110 and Well Jing 310 are the more concentrated development areas of favorable sand and can be the key area to explore oil and gas.
出处
《江汉石油职工大学学报》
2009年第2期6-8,14,共4页
Journal of Jianghan Petroleum University of Staff and Workers
关键词
欢喜岭油田南部
坡洼过渡带
缓坡型扇三角洲
South Huanxiling Oilfield
Slope--depression Transition Section
Flat Slope Fan Delta
