| 1. | 1 sag is one of the most important source rock sags of junggar basin . it has similar geological conditions with neighbouring mahu sag
分析这些油气的成因与成藏，对该区进一步的油气勘探开发具有重要的意义。 |
| 2. | Mahu - penyijingxi multi - source petroleum systems are the most important geological unit of oil and gas distribution in the junggar basin
摘要玛湖盆1井西复合含油气系统是准噶尔盆地油气分布最集中的地质单元。 |
| 3. | By the influence of regional structural movement , the structure styles of mahu depression are simple , but the generation and migration of oil and gas are complex
受区域构造运动影响，玛湖凹陷构造格局简单，但其对油气形成、聚集的影响仍然比较复杂。 |
| 4. | Finally , the author points out luliang uplift , mobei uplift , dabasong uplift , slopes of west - of - well - pen - no . 1 and mahu sags as well as maqiao uplift are all favourable exploration regions
袖气源和成藏史研究表明，盆1井西凹陷区勘探潜力十分巨大，有利勘探领域广阔，值得深入勘探。 |
| 5. | Although four oil and gas fields ( shixi , shinan , mobei and luliang ) have been discovered around the sag so far , exploration potential is still enormous compared with mahu sag
最显著的区别在c20 、 c21 ，和c23三环二萜烷分布和生物降解特征这两个方面。陆9井西山窑组浅部样品乙。 、乙；和cz 。 |
| 6. | 2 . by using seismic stratigraphy to lacustrine environment , sedimentary frameworks of mahu depression have been studied . results indicated that fan - delta were the dominant facies of permian in mahu depression
2 、运用震地层学理论对玛湖凹陷沉积条件进行了研究，结果认为，玛湖凹陷二叠系发育以扇三角洲为主的沉积体系。 |
| 7. | 3 . by means of sequence stratigraphy , the sequence frameworks of the permian in mahu depression have been established , which were divided into 5 sequences . and sedimentary system tracts have been studied
3 、将层序地层学理论用于陆相环境，建立了玛湖凹陷二叠系沉积层序格架，把二叠系划分为5个层序，并通过测井资料对层序内部的体系域进行了分析。 |
| 8. | This paper has been accomplished on the basis of new theories . significant research work on structure , sedimentation and their evolution of the permian has been carried out . deep underground prospecting of mahu depression has been discussed
研究应用了各种新理论，对二叠系构造、沉积及其演化条件进行了有意义的探索，也为油气勘探向深部发展做了有益的理论探讨。 |
| 9. | 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。 |
