Research on Diagenesis of Volcanic Reservoirs in YS2,3 Well Fields

2014 ◽  
Vol 893 ◽  
pp. 720-723
Author(s):  
Cheng Zhi Liu ◽  
Jing Yao Zhang ◽  
Yang Wan
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
Volcanic Rock ◽  
Thin Section ◽  
Destructive Effect ◽  
Comprehensive Utilization ◽  
Formation And Evolution ◽  
Volcanic Reservoirs ◽  
Rock Lithology ◽  
Scanning Electron

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].

Dissolution Phenomenon of Laumontite in the Carboniferous Volcanic Oil and Gas Reservoirs of Santanghu Basin in Xinjiang

2015 ◽  
Vol 737 ◽  
pp. 823-826
Author(s):  
He Du ◽  
Wen Guang Wang ◽  
Cheng Zhi Liu ◽  
Jian Fei Ji
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
Thin Section ◽  
Exploratory Study ◽  
Oil And Gas ◽  
Gas Reservoirs ◽  
Volcanic Reservoir ◽  
Oil And Gas Reservoirs ◽  
Volcanic Reservoirs ◽  
Scanning Electron

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.

scholarly journals Formation and Evolution of Inclusions with Different Adding Order of Magnesium and Sulfur in Al-Killed Free-Cutting Steel

Metals ◽  
2018 ◽  
Vol 8 (12) ◽  
pp. 1064 ◽  
Author(s):  
Yi Min ◽  
Qingsong Zhang ◽  
Haisheng Xu ◽  
Jiujian Xu ◽  
Chengjun Liu
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
Liquid Steel ◽  
Saturated Liquid ◽  
Cutting Steel ◽  
Sulfur Addition ◽  
Equilibrium Solidification ◽  
Formation And Evolution ◽  
Scanning Electron ◽  
Magnesium Addition

To reveal the effect of adding order of magnesium and sulfur on the evolution of inclusions in Al-killed free-cutting steel, both deoxidized experiments and thermodynamic calculations were carried out in this paper. The samples, which were extracted from the liquid steel at different time after magnesium and sulfur addition, were analyzed by scanning electron microscopy and energy dispersive spectroscopy. The results showed that the adding order had a significant influence on the formation and evolution of inclusions. In the case of magnesium added before sulfur, MgO formed immediately after magnesium addition and then transformed to spinel accompanied by MeS (Mg0.9Mn0.1S) after sulfur addition. In the case of sulfur added prior to magnesium, MgO and MeS precipitated simultaneously after magnesium addition. During the equilibrium solidification, the transformation of MgO to spinel was calculated to take place before MnS precipitated from the saturated liquid steel.

Clastic Rock Reservoir Physical Characteristics of Southern Songliao Basin Changling Fault Depression Layer

2013 ◽  
Vol 838-841 ◽  
pp. 1320-1323
Author(s):  
Yun Feng Zhang ◽  
Tian Tian Chu ◽  
Hong Qi Yuan
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
Thin Section ◽  
Secondary Porosity ◽  
Fracture Characteristics ◽  
Clastic Rock ◽  
Mercury Intrusion ◽  
Thin Section Analysis ◽  
Section Analysis ◽  
Scanning Electron

We study the Changling fault depression layer reservoir space type and characteristic of clastic rock reservoirs in the study area, by core observation, thin section analysis, cathodoluminescence analysis, scanning electron microscopy and mercury intrusion method, and discusses the development of secondary porosity and fracture characteristics and formation mechanism.

Fixation and conductive staining by tannin-RuO4 for transmission and scanning electron microscopy

1990 ◽  
Vol 48 (3) ◽  
pp. 24-25
Author(s):  
Gen Takahashi
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
Thin Section ◽  
Tannic Acid ◽  
Osmium Tetroxide ◽  
Glutaraldehyde Fixation ◽  
Ruthenium Tetroxide ◽  
Cellular Ultrastructure ◽  
Scanning Electron

Ruthenium tetroxide(RuO4) was first used as a stain in histology by Ranvier in 1887. Its use in TEM as a fixative or stain was reported by Gaylarde et al. However,the preservation of the cellular ultrastructure was very poor after RuO4 fixation alone, because RuO4 is a far more vigorous oxidant than osmium tetroxide. Peltari et al reported that a preceeding glutaraldehyde fixation helped to stabilize the ultrastructure, although the penetration of RuO4 into the tissue was poor.In the present study, RuO4 has been found to be a useful fixative and staining reagent with the prerequisite of using RuO4 as a postfixative after prefixation with tannic acid (TA)-glutaraldehyde(GL) for thin-section TEM(TA-RuO4 method) or after preceeding osmication followed by TA mordanting for non-coating SEM(OsO4-TA-RuO4 method).TA-RuO4 method for thin-section TEM

scholarly journals The formation mechanism of authigenic chlorite in tight sandstone and its effect on tight oil adsorption during hydrocarbon filling

2021 ◽  
Vol 76 ◽  
pp. 39
Author(s):  
Qianshan Zhou ◽  
Chao Li ◽  
Guojun Chen ◽  
Chengfu Lyu ◽  
Xuefeng Qu ◽  
...  
Keyword(s):  
Thin Film ◽  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
Thin Section ◽  
Tight Oil ◽  
Spatial Coupling ◽  
Particle Form ◽  
Intercrystalline Pores ◽  
Pore Lining ◽  
Scanning Electron

Authigenic chlorite, which is frequently found in sandstone, has a controlling effect on the reservoirs in which tight oil is adsorbed during hydrocarbon filling. In this study, the content, occurrence state, timing, mechanism and influence of authigenic chlorite on the micro-occurrence states of tight oil were studied using Thin Section (TS), Fluorescent Thin Section (FTS), X-Ray Diffraction (XRD), Field Emission-Scanning Electron Microscopy (FE-SEM), Environmental Scanning Electron Microscopy (ESEM), and Energy Dispersive Spectroscopy (EDS). The results indicate: (1) a spatial coupling between chlorite development, a brackish water delta front facies depositional environment, and biotite-rich arkosic sandstone. (2) Authigenic chlorite can be divided into three types: grain-coating chlorite, pore-lining chlorite, and rosette chlorite. Chlorite forms after early compaction but before other diagenetic phases, and grows via precipitation from pore waters that contain products released during the dissolution of volcanic rock fragments and biotites. Porewater is also pressure-released from feldspars and mudstone. (3) The micro-occurrence states of tight oil can be divided into five types: emulsion form, cluster form, throat form, thin-film form, and the isolated or agglomerated particle form. (4) During hydrocarbon filling, tight oil mainly occurs on the surface of grain-coating and pore-lining chlorite in the form of a thin film, the granular or agglomerated forms are mainly enriched within the intercrystalline pores within the authigenic chlorite, and the cluster forms are mainly enriched in dissolution pores. Isolated or agglomerated particles of tight oil primarily occur in the intercrystalline pores of the rosette chlorite. (5) The specific surface area and the authigenic chlorite’s adsorption potential of authigenic chlorite control the micro-occurrence of tight oil on the surface of the chlorite and in intercrystalline pores. The adsorption capacity of chlorite lies in the following order: pore-lining chlorite intercrystalline pores > rosette chlorite > chlorite in feldspar dissolution pores > pore-lining chlorite surface > grain-coating chlorite intercrystalline pores > grain-coating chlorite surface.

Modification of the Waste Fluorgypsum and its Comprehensive Utilization with Fly Ash in Concrete

2011 ◽  
Vol 233-235 ◽  
pp. 2881-2884 ◽  
Author(s):  
Dao Wu Yang ◽  
Yan Yao ◽  
Yi Liu ◽  
Hai Xia Tong
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
Fly Ash ◽  
Cement Hydration ◽  
Early Stage ◽  
Heat Of Hydration ◽  
Application Performance ◽  
Comprehensive Utilization ◽  
Compressive Strength Of Concrete ◽  
Scanning Electron

The waste fluorgypsum was modified and its comprehensive utilization with fly ash in concrete was studied. Eight-channel micro-calorimeter (TAM Air) and scanning electron microscopy were employed to study the basic properties and application performance of the modified fluorgypsum. Experimental results indicated that the modifying made the fluorgypsum crystal staggered mutually and improved the strength of the hardened body. The modified fluorgypsum and fly ash could delay reaction of cement hydration and reduce the heat of hydration of cement. When fluorgypsum was added to the cement, the fluorgypsum beared the function of enhancing the early stage compressive strength of concrete.

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