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Based on the data of core, thin section, scanning electron microscopy and geochemical analysis.etc, from the dissolution phenomenon of laumontite in the carboniferous volcanic reservoirs of Santanghu Basin,the exploratory study of alkaline diagenesis and the formation mechanism in volcanic reservoir was carried out.

In the Northeast massif of La (Lamadian), it is going into the later exploit period with higher containing water in reservoir. In order to increase recovery efficiency, it is needed to discover a potential extract ability of residual oil. By studying the higher sub-layer II 1-18 in the northeast massif of Lamadian oil field this time, based on developing a carefully detailed reservoir description for that, in terms of resisting inter layer recognition in single well, depositional microfacies delineation, and reservoir features study, combined with dynamic data, control factors and distribution of residual oil in that region are analyzed and concluded. The result illustrated that the vertical rhythmic structure of reservoir is closely related to residual oil distribution, some different models of residual oil can be distinguished by rhythm; additionally, the planimetric position of residual oil is mainly controlled by depositional microfacies and reservoir features, planimetric heterogeneity, as well as inject-exploit relation.

Based on the comprehensive utilization of core, thin section identification, scanning electron microscopy and other technical means, through the YS2, 3 well fields of volcanic rock lithology and lithofacies analysis; understand that the formation and evolution of volcanic reservoirs play a constructive role and destructive effect ，which has important guiding significance[1,2].

Through core observation and description, whole rock chemical analysis, thin section identification and logging identification method, The volcanic rock of this area is mainly basalt, trachyte and tuff, three major categories, further divided into 10 subclasses. Basalt intergranular-intersertal structure, the main minerals are plagioclase , sodium feldspar and mafic pyroxene , belong to alkaline series,infrasonic wave, low natural gamma, high resistance, high density; Trachyte ,typical rough structure, high content of feldspar, the negative anomaly of naturalelectric potential, high resistance, high natural gamma measurement, infrasonic wave;Tuff, tuffaceous texture, massive structure, rock is composed of lithic, vitric, crystal and volcanic ash, ingredients to alkali feldspar, biotite, plagioclase etc, low natural gamma, low resistivity , low density.

Research on volcanic rock diagenesis have important reference value in volcanic rock secondary pore formation, evolution and reservoir prediction. Using the core data, flakes, imaging logging, geochemicals analysis and lithologies-lithofacies characteristics of Yaoyingtai area in Yingcheng Formation, Changling fault depression, we research on the volcanic rock diagenesis, reservoir space types, characteristics and relationships. The results are shown that: The research area mainly develop volcanic rock mantle thermal liquid alkali metasomatism and other 11 diagenesis types, and base on diagenesis formation mechanism and the effects of the reservoir spaces, which is divided constructive and destructive.

In the Shahezi Formation of Xujiaweizi fault depression in the Songliao Basin mainly tow sedimentary system is developed: the Xudong gentle slope belt and Xuxi fault zone systems. However, this area is little studied as there have been only limited efforts in exploration. Based on the latest drilling, outcrop data, description of core observation and laboratory microscope identification, it has been concluded that four mainly sedimentary facies are developed in this area: braided river delta, fan delta, lacustrine facies and sublacustrine fan. The subaqueous distribute channel is the main type of the fan delta front while the braided channel is the main type of the braided river delta. A number of clastic, sandstone and mudstone are developed in these two types of sedimentary facies. We can use it to make further study of dividing into micro-facies.

The research on volcanic diagenesis have important value in volcanic secondary pore formation, evolution and reservoir prediction. Using core, slice, imaging logging and geochemical analysis, from lithology-lithofacies characteristics of Yingcheng Formation in Xujiaweizi depression, Songliao Basin, study on volcanic diagenesis, types, characteristics and relationship of reservoir space. The results are shown that: The volcanic mainly developed dissolution 13 diagenesis types, and base on the formation mechanism and effect to the reservoir space, it is divided further into constructive and destructive categories In the study area; Reservoir performance of reservoir space depend on the type, combination form and development degree, and the diagenesis is main control factor of rservoir space (pore, crack) formation, preservation, damage evolution characteristics; volcanic diagenetic complexity is the main reason of reservoir space complexity and diversity.

Properties of Energy Materials (oil and gas) is very complex and important. In recent years, in Chinese eastern, western and mid continental basins, multiple rock oil and gas fields are found, such as Songliao Basin, Bohai Bay Basin, Erlian Basin, Tuha Basin, Junggar Basin, Sichuan Basin. Volcanic rock reservoir with its rich oil and gas resources, tremendous development potential, has aroused the domestic and foreign experts and scholars attention, volcanic rock oil and gas exploration theory and technology has been rapid development. In order to understand volcanic rock reservoir from the origin, further exploration target and guide the exploration deployment, the Properties of Energy Materials (oil and gas), main factors affecting of the development and comprehensive evaluation have become the research hot spots and the focus, there are many research techniques and results.

Based on the core, thin section, scanning electron microscopy, well logging and the physical properties of reservoir, according to the research on the volcanic reservoirs characteristics of the E2-3S3 Formation in Oulituozi area, obtaining the following points: Basalt, trachyte and tuff are mainly lithology, overflow facies are main lithofacies, secondly explosive facies and volcanic sedimentary facies; Secondary reservoir spaces are often superimposed on the original reservoir spaces, and pore, hole and slit together form the effective reservoir spaces; The reservoir property show that the trachyte are the best, secondly the basalt and tuff; Reservoir lithology, lithofacies, thickness, fracture development, physical and electrical properties and other reservoir parameters are the main evaluation criteria to conduct the reservoir comprehensive evaluation.

There are two classification including volcanic lava and volcanic clastic rock, totally 15 types in Yingcheng Formation, Yaoshen area. The lithology is mainly characterized as acid rhyolite, tuffs and volcanic breccia. By using logging data and seismic data, the authors come to the conclusion as follows: there existed five types of lithofacies of volcanic lava in this area, with eruption-overflow facies most widely developed. The section is characterized as eruption mixed with overflow, superposed eruption-overflow facies and volcanic sedimentary facies occurred far from the crater. There are frequent volcanic activities, multi-periodic activities of volcanic eruption developed, thus multi-periodic eruption modes were formed. This area is overlapped and connected in the plane, adjacent eruption facies are often connected, overflow facies are distributed on lave platform.

Changchun Station completed Kilo Hertz SLR and daylight tracking system upgrade the year before last. Routine operation has been over 2 years since July, 2009. We have obtained about 16 thousand passes in total, including more than 40 hundred passes in daylight. The main upgrades of Kilo Hertz SLR and daylight tracking in Changchun observatory includes new Kilo Hertz Laser, Event timer, Ranging control system, Spectrum filter, Higher pointing stability and optic route adjust etc. these contain related research contents such as optics, machinery, electron and automatic control and so on.

The paper introduces the performance and progress for Satellite Laser Ranging (SLR) system daylight tracking in Changchun station. This paper first briefly summaries the Changchun SLR data quality and quantity from data analysis centers: single shot rms, NP rms, long and short-term stability, data percentage and its rank in ILRS after the system improvement. Second it introduces the problems and difficulties facing this system for daylight tracking-mount model, the separation of emitting and receiving parts of the telescope, control range gate, installing narrower filter. Third it presents some work which were done in the system for daylight tracking: system stability improvement, laser stability improvement, mount model adoption, control system, etc. From these analysis and work which have been done, daylight tracking in Changchun SLR system will be possible in the near future.