石化技术
石化技術
석화기술
PETROCHEMICAL INDUSTRY TECHNOLOGY
2015年
3期
169-169
,共1页
准噶尔盆地西北缘%克下组%湿润扇%干旱扇
準噶爾盆地西北緣%剋下組%濕潤扇%榦旱扇
준갈이분지서북연%극하조%습윤선%간한선
northwest margin of Zhunger Basin%Lower Karamay Formation%wet alluvial fan%arid alluvial fan
冲积扇的类型受气候、构造和沉积等多方面因素控制，不同类型冲积扇的沉积特征对于储层的有效开发影响程度不同。多数人认为，冲积扇可以划分为湿润扇和干旱扇两大类，准噶尔盆地西北缘克下组冲积扇属于干旱扇。但是，岩石学、沉积组分、沉积构造、结构成熟度、沉积旋回特征的分析表明：准噶尔盆地西北缘克下组冲积扇属于湿润型向干旱型过渡的中间类型。
遲積扇的類型受氣候、構造和沉積等多方麵因素控製，不同類型遲積扇的沉積特徵對于儲層的有效開髮影響程度不同。多數人認為，遲積扇可以劃分為濕潤扇和榦旱扇兩大類，準噶爾盆地西北緣剋下組遲積扇屬于榦旱扇。但是，巖石學、沉積組分、沉積構造、結構成熟度、沉積鏇迴特徵的分析錶明：準噶爾盆地西北緣剋下組遲積扇屬于濕潤型嚮榦旱型過渡的中間類型。
충적선적류형수기후、구조화침적등다방면인소공제，불동류형충적선적침적특정대우저층적유효개발영향정도불동。다수인인위，충적선가이화분위습윤선화간한선량대류，준갈이분지서북연극하조충적선속우간한선。단시，암석학、침적조분、침적구조、결구성숙도、침적선회특정적분석표명：준갈이분지서북연극하조충적선속우습윤형향간한형과도적중간류형。
The types of alluvial fans are determined by many factors such as climate, structures, deposition and so forth,the characteristics of these fans exert influence on effective development of reservoirs. A lot of scholars argue that alluvial fans can be divided into wet and arid ones, so that the fan of Lower Karamay Formation in the northwestern margin of Zhunger Basin belongs to the latter. However, the analysis on petrology, deposited components, sedimentation structures, structural maturity, characteristics of the sedimentary cycles and the fan scales show that the type of the alluvial fans of the above formation belongs to the intermediate type during the transition period between the wet and the arid.
