| 1. | Within such deposits there may be numerous potential traps for oil and gas in separate sandstone bodies . 在这种沉积中的散砂岩体内,可能有许多潜在的油气圈闭。 |
| 2. | Fault features and petroleum trap formation origin types in the north margin region of qaidam basin 柴达木盆地北缘断裂特征与油气圈闭成因类型 |
| 3. | The gray associationr - prediction is a new technique for delineating oil and gas geochemical anomalies , which can raise the accuracy of trapping and prediction of oil and gas 灰色关联度预测是新的油气化探异常圈定方法,可以提高油气圈闭预测的准确性。 |
| 4. | Based on the contrast of the comparability , the paper concludes that the footwalls of reverse faults in the front of altun mountain may form effective hydrocarbon traps 通过对比分析两者之间的相似性,认为柴达木盆地阿尔金山前带构造深部发育的逆冲断裂下盘也应该具有形成油气圈闭的条件。 |
| 5. | A big oilfield could be formed by a trap with the upper equilibrium structure preserving petroleum and the lower dissipated structure injected with oil and gas continuously 油气圈闭要同时具备平衡结构和耗散结构,上部为平衡结构,使油气得以保存;下部为耗散结构,使油气不断充注,形成大的油气田。 |
| 6. | This new m ethod of mapping can not only greatly reduce distortions inherently existing in the traditional mapping methods , but also provide a better perception of sedimen tary and tectonic evolution processes and enhance the accuracy of trap predictio n 这种新的编图方法不仅能极大地减少由传统的压缩法和优势相编图法所造成的模糊失真现象,而且能提高对沉积、构造演化规律的认识和油气圈闭的预测水平。 |
| 7. | 5 . the most common types of oil - gas traps in mahu depression are lithological traps together with the complex traps derived from them that controlled by lithology , anticline , fault and over pressure of strata , etc . favorable prospecting targets of mahu depression are pointed out 5 、玛湖凹陷油气圈闭类型主要是以岩性圈闭为主的隐蔽圈闭,以及受岩性、背斜、断层、地层压力条件等控制的复合圈闭。 |
| 8. | The basin - formed mechanism , evolution model and petroliferous geological features of compresso - shear basins in the world are analyzed , by which six aspects of the features are summarized as follows : 1 ) in the compresso - shear process , the sedimentary speed of basin is high , forming thicker coarse - grained clastic rocks which normally shape good petroleum reservoir ; 2 ) the source rocks of basin tend to coming from the organic matter - enriched rocks formed in pre - compresso - shear stages , except that in intense compresso - shear process , deep water - semi deep water source rocks are possibly developed in pre - compresso - shear stages , e4xcept that in intense compresso - shear process , deep water - semi deep water source rocks are possibly developed in frontal of deep depression ( fore deep ) of thrust belt ; 3 ) the en echelon folds ( including anticline and fault - nose structure ) are generally as good oil traps ; 4 ) the compresso - shear process is helpful to hydrocarbon accumulation ; 5 ) it may promote the maturity and hydrocarbon - generating process of organic matte , and 6 ) the thrust belts in the surrounding areas of compresso - shear basin are favorable are favorable domains for petroleum concentration 摘要通过对世界上压扭性盆地的成盆机制、演化模式和油气地质特点分析,总结压扭性盆地具有6个方面的石油地质特征:压扭作用期间盆地的沉积速率较高,一般形成较厚的粗碎屑沉积,它们常构成很好的油气储集层:盆地的烃源岩往住来自于前压扭期砂成的富含有机质的岩石,但在强烈的压扭作用期间,在冲断带的前缘深坳陷(前渊)中有可能发育深水半深水相的烃源岩;压扭(张扭)作用期间形成的雁行式褶皱(包括背斜和断鼻等)往住是很好的油气圈闭;压扭作用易于成藏;压扭作用可以促进有机质的成熟生烃作用;压扭性盆地的周边冲断带是油气赋存的有利部位。 |
| 9. | The successes of the exploration of xia 94 demonstrates that linnan sag is a big and potential subtle trap oil - gas - bearing zone , accelerates the collective research on the exploration technology leading by sequence stratigraphy and other subtle oil - gas pool theories , and provides reference ex 通过夏94井等岩性油气圈闭的钻探成功,进一步证明了惠民凹陷岩性油藏的巨大勘探潜力和良好的勘探前景,加快了层序地层学和其它隐蔽油气勘探技术的开发研究,也为国内其他油田隐蔽油气藏的勘探提供了可供借鉴的理论和实践经验。 |
| 10. | Years of practical exploration affirm that almost all traps are related with faults in this area . the purpose of the paper is to expound the tectonic characters and evolution of faults of dongying formation , further to predict the fault sealing properties , their dominance over and effect on oil / gas accumulation , and then to unveil the laws of oil / gas distribution 多年的勘探实践证实研究区几乎所有的油气圈闭均与断层有关,为此本论文目的是阐明研究区东营组断层的构造特征和演化,预测断层封闭性以及对油气富集的控制和影响,为揭示研究区油气富集规律和有利地区预测奠定基础。 |