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Geological characteristics of large gas provinces and large gas fields in china

Science china Earth Sciences 2008年第S1期51卷 14-35页

作者： ZOU CaiNeng &TAO ShiZhen research institute of petroleum exploration and Development,Petrochina,beijing 100083.china research institute of petroleum exploration and Development PetroChina Beijing China

Based on the examination of the global researches on oil and gas provinces and large gas fields and the analysis of the features,attributes and distribution of large gas provinces and gas fields,this paper puts forward three indicators of determining large oil and gas provinces:spatial indicator,reservoir-forming indicator and resource *** classifies the gas accumulated areas and large gas provinces in china and analyzes the controlling factors on the distribution of large gas provinces and large gas fields:the lateral distribution is mainly controlled by high-energy sedimentary facies and constructive diagenetic facies,palaeo-highs and their periclinal zones,deep faults,etc,and the vertical distribution is mainly controlled by unconformities,series of evaporates and deep low-velocity highly-conductive beds,*** also reveals the main geological characteristics of large gas provinces and large gas fields in *** gas fields in four-type basins have their own characteristics and onland large gas fields are dominantly developed in foreland basins and craton basins;there are three types of gas sources,of which,coal is the main source with high gas generating intensity and varying origins;reservoir rocks of the large gas fields(provinces)are of various types and dominated generally by low-middle permeability and porosity pore-type reservoirs;structural traps and litho-stratigraphic traps coexist in Chinese large gas fields and form dense high abundance and large-area low and middle-abundance large gas fields;most of the large gas fields have late hydrocarbon-generation peaks and reservoir formation,and experienced the process of multiple-stage charging and late finalization; large gas provinces(fields)have good sealing and preservation conditions,and evaporates seals are largely developed in large and extra-large gas *** paper intends to shed light on the exploration and development of large gas fields(provinces)through analyzing their geological

关键词： large gas province large gas field indicator of large oil and gas provinces forming condition distribution characteristics geological feature

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SEVERAL　CONSIDERATIONS　ON　HYDROCARBON　GENERATION　MECHANISM　AND　EVOLUTION　OF　CARBONATE　ROCKS

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石油勘探与开发 1996年第5期23卷 75-80页

作者： Cheng Keming Wang Zhaoyun(research institute of petroleum exploration and Development, CNPC, beijing, 100083, china)

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关键词： Marine factes Oil generation of carbonate rocks Mechanism Evaluation Oil-generatingindex Thermal evolution

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Review and Comprehensive Analysis of Composition and Origin of High Acidity Crude Oils

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china petroleum Processing & Petrochemical Technology 2011年第1期13卷 6-15页

作者： Cai Xinheng Tian Songbai (research institute of petroleum Processing,sinopec,beijing 100083.china) research institute of petroleum Processing SINOPEC Beijing 100083 China

High acidity crude oils have an advantage over normal oils in terms of their price,but can cause corrosion and refinery *** are the so-called opportunity crudes and likely to be important reserved resources in the 21st *** on high acidity crude oils are becoming more and more *** on the existing research achievements,this article has given an overview of the chemical composition and acid distribution of high acidity oils,and also analyzed their origin types and potential influence factors.

关键词： high acidity oils total acid number acid composition origin influence factors

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Effect of Diesel Fuel Composition on Exhaust Emissions

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china petroleum Processing & Petrochemical Technology 2009年第4期11卷 42-47页

作者： Shen Yanjin (sinopec research institute of petroleum Processing,beijing 100083) sinopec research institute of petroleum Processing Beijing 100083 China

In this paper,the influence of aromatic content,one of main fuel properties,on diesel particulate emissions was studied at five steady-state operating conditions using a heavy-duty Perkins 4.236 *** analysis of the particulate showed the presence of biologically active polynuclear aromatic hydrocarbons(PAH) in high *** PAH in liquid fuel are identified to be the dominant source of particulate *** particulates are also considered a potential health hazard because of the presence of PAH in the SOF of the particulates and some of these PAH are known to be carcinogenic.

关键词： exhaust emissions aromatics content particulate soluble organic fraction(SOF) carcinogenic PAH

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AN APPROACH TO CUTTINGS FLUOROLOGGING USING HEXANE AS A SUBSTITUTE

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石油勘探与开发 1997年第4期24卷 92-96页

作者： Zhao Juying(research institute of petroleum exploration and Devempment, CNPC, beijing, 100083)

It is discovered that carbon tetrachloride is a fluorescence quencher in crude oil detedion with cottings fluorologging. Hexane, which has many advantages as a substitute for carbon tetrachloride, is proposed. In this paper, four typical comparison results of fluorescence spectra of crude oil samples and some of field cores and cuttings are *** sensitivity of fluorescence analysis is increased by 10 to 35 times when we substitute hexane for carbon tetrachloride as the solvent of crude oil. We also find that the lighter the crude oil,the more Obvious the increase in analysis sensitivity. lt challenges the old concopt that coal-derived oil, condensate and some light oils do not emit fluorescence. The merit of hexane system in eliminating or reducing the fluorescent interference of modified asphalts in drilling fluids for cuttings fluorologging has also been discussed.

关键词： Cuttings logging Fluorescence analysis Hexane Carbon tetrachloride Crude oil (Fluorescence quench)

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Formation mechanism of carbonate cemented zones adjacent to the top overpressured surface in the central Junggar Basin,NW china

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Science china Earth Sciences 2010年第4期53卷 529-540页

作者： YANG Zhi1,2,ZOU CaiNeng1,3,HE Sheng2,LI QiYan1,HE ZhiLiang3,WU HengZhi5,CAO Feng1,MENG XianLong4,WANG FuRong2 & XIAO Qilin21 State Key Laboratory of EOR,research institute of petroleum exploration & Development,Petrochina,beijing 100083.china 2 Key Laboratory of Tectonics and petroleum Resources of Ministry of Education,china University of Geosciences,Wuhan 430074,china 3 State Key Laboratory of EOR,research institute of petroleum exploration & Development,Petrochina,beijing 100083.china 4 research institute of petroleum exploration and Production,sinopec,beijing 100083.china 5 Southwest Branch Company,sinopec,Chengdu 610051,china State Key Laboratory of EOR Research Institute of Petroleum Exploration & Development PetroChina Beijing China Key Laboratory of Tectonics and petroleum Resources of Ministry of Education China University of Geosciences Wuhan China State Key Laboratory of EOR Research Institute of Petroleum Exploration & Development Petrochina Beijing China Southwest Branch Company SINOPEC Chengdu China research institute of petroleum exploration and Production SINOPEC Beijing China

Carbonate cemented zones are normally adjacent to the top overpressured surface in the central Junggar Basin,NW *** carbon and oxygen isotopic compositions and petrological investigations of carbonate cements in the carbonate cemented zones indicate that:(1) carbonate cements are composed dominantly of ferrocalcite,ferroan dolomite,and ankerite;(2) carbonate cements are formed under a high temperature circumstance in the subsurface,and organic fluid migration has an important effect on the formation of them;and(3) carbon and oxygen ions in the carbonate cements migrate from the underlying overpressured *** suggests that the occurrence of carbonate cemented zones in this region results from multiple phases of organic fluid expulsion out of the overpressure compartment through geological *** study provides a plausible mechanism of the formation of carbonate cemented zones adjacent to the top overpressured surface in the clastic sedimentary basins,and has an important implication for understanding the internal correlation between the formation of carbonate cemented zones adjacent to top overpressured surface and geofluids expulsion out of overpressured system.

关键词： carbonate cemented zones formation mechanism stable carbon and oxygen isotopic top overpressured surface central Junggar Basin coal-bearing strata

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Propagation characteristics of converted refracted wave and its application in static correction of converted wave

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Science china Earth Sciences 2008年第S2期51卷 226-232页

作者： LIU Yang1,2 & WEI XiuCheng3 1 State Key Laboratory of petroleum Resource and Prospecting,china University of petroleum,beijing 102249,china 2 CNPC Geophysical exploration Key Laboratory,china University of petroleum,beijing 102249,china 3 exploration and Production research institute,{13.,beijing 100083.china State Key Laboratory of petroleum Resource and Prospecting China University of Petroleum Beijing China CNPC Geophysical exploration Key Laboratory China University of Petroleum Beijing China exploration and Production research institute SINOPEC Beijing China

Three-component seismic exploration through P-wave source and three-component geophone is an effective technique used in complicated reservoir exploration. In three-component seismic exploration data processing,one of the difficulties is static correction of converted wave. This paper analyzes propagation characteristics of non-converted and converted refracted waves,and discovers a favor-able condition for the formation of converted refracted wave,i.e. the velocity of overlaying medium S wave is much lower than that of underlying medium S wave. In addition,the paper proposes the static correction method of converted wave based on PPS converted refracted wave,and processes the real three-component seismic data with better results of static correction of converted wave.

关键词： PPS converted refracted wave converted wave static correction

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Natural gas geochemistry and its origins in Kuqa depression

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Science china Earth Sciences 2008年第S1期51卷 174-182页

作者： LIU QuanYou 1 ,QIN ShengFei 1 ,LI Jian 2 ,LIU WenHui 3 ,ZHANG DianWei 3 ,ZHOU QingHua 1 &HU AnPing 1 1 research institute of petroleum exploration and Development,Petrochina,beijing 100083.china 2 Langfang Branch of research institute of petroleum exploration and Development,Petrochina,Langfang 065007,china 3 exploration and Production research institute,sinopec,beijing 100083.china research institute of petroleum exploration and Development PetroChina Beijing China Langfang Branch of research institute of petroleum exploration and Development PetroChina Langfang China exploration and Production research institute SINOPEC Beijing China

According to gas compositional and carbon isotopic measurement of 114 gas samples from the Kuqa depression,accumulation of the natural gases in the depression is dominated by hydrocarbon gases, with high gas dryness(C1/C1-4)at the middle and northern parts of the depression and low one towards east and west sides and southern *** carbon isotopes of methane and its homologues are relatively enriched in 13.C,and the distributive range ofδ13. 1 ,δ13. 2 andδ13. 3 is-32‰―-36‰,-22‰―-24‰and-20‰―-22‰,*** general,the carbon isotopes of gaseous alkanes become less negative with the increase of carbon ***δ13. CO2 value is less than-10‰in the Kuqa depression,indicating its organogenic *** distributive range of 3 He/ 4 He ratio is within n×10-8 and a decrease in 3 He/ 4 He ratio from north to south in the depression is *** on the geochemical parameters of natural gas above,natural gas in the Kuqa depression is of characteristics of coal-type gas *** possible reasons for the partial reversal of stable carbon isotopes of gaseous alkanes involve the mixing of gases from one common source rock with different thermal maturity or from two separated source rock intervals of similar kerogen type,multistages accumulation of natural gas under high-temperature and over-pressure conditions,and sufficiency and diffusion of natural gas.

关键词： Kuqa depression natural gas stable carbon isotope gas origin

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Study on MIP Technology for Production of EUROⅣClean Gasoline *** of Rules for Transformation of Sulfur Compounds and Factors Influencing Sulfur Content in MIP Naphtha

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china petroleum Processing & Petrochemical Technology 2009年第4期11卷 27-33页

作者： Tang Jinlian Xu Youhao Cheng Congli Wang Xieqing (research institute of petroleum Processing,sinopec,beijing 100083.china) research institute of petroleum Processing SINOPEC Beijing 100083 China

The rules of MIP reactions for catalytic cracking of sulfur compounds and its influence on the sulfur content in the MIP naphtha were *** mam factors influencing the sulfur content in the MIP naphtha were thought to be the sulfur content of feedstock and were closely related with the olefin content of *** into account the characteristic features of MIP process,the methods for reducing the sulfur content in the MIP naphtha were comprised of decreasing the sulfur content of feedstock by hydrotreating and decreasing the olefin content of naphtha through promoting hydrogen transfer ***,the EuroⅣclean gasoline with low sulfur content and low olefin content could be obtained directly through the MIP technology.

关键词： FCC MIP process gasoline sulfur content feedstock

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Study on Application of Novel Flocculating Agent in Treating Refinery Wastewater with High Concentration of Pollutants

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china petroleum Processing & Petrochemical Technology 2009年第2期11卷 57-61页

作者： Zhang Baoji Qin Bing(sinopec research institute of petroleum Processing,beijing 100083) sinopec research institute of petroleum Processing Beijing 100083 China

After conducting a lot of screening experiments the appropriate flocculating formulations for treating high-concentration wastewater discharged from a certain refinery were selected. The oil removal rate and COD removal achieved by these flocculating formulations were better than that achieved by the conventional compound formulation consisting of polyaluminium chloride(PAC) and polyacrylamide(PAA) . Addition of an oil/water separating agent to the formulation could improve its oil removal performance to facilitate the oil/water separation of the oil-in-water emulsion in the high-concentration wastewater along with improved adaptability of the formulation to the wastewater containing high concentration of pollutants. This flocculating agent has promising prospects for commercial application.

关键词： wastewater pollutants flocculating agent oil/water separation

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