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Structural characteristics and petroliferous features of Tarim Basin

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Chinese Science Bulletin 2002年第S1期47卷 1-11页

作者： JIA Chengzao~1 & WEI Guoqi~2 1. petrochina Company Limited, beijing 100011, china 2. Langfang Branch of research institute of petroleum exploration & development, petrochina, Langfang 065007, china 1. petrochina Company Limited 100011 Beijing China 2. Langfang Branch of research institute of petroleum exploration & development PetroChina 065007 Langfang China

Using the modern tectonic geology theories andmethods such as the plate tectonic analysis, the paleo-struc-ture analysis, the structural-Iithofacies analysis, and the faultrelated fold and petroleum system, and combining with theseismic data, well drilling data and the circumferential fieldgeology, study on the structural characteristics and petro-leum prospect in the Tarim Basin has been carried out. Re-sults show that the Tarim Basin is a large superimpositionand combination basin with continental crustal basement,composed of a Paleozoic craton and Meso-Cenozoic forelandbasins. The characteristics of the basin are: the kernel partof the basin is the marine facies Paleozoic craton, superim-posed 4 continental facies foreland basins. Though the scaleof the paleozoic craton of the Tarim Basin is relatively small,the structure is steady. The petroleum prospect of the Paleo-zoic craton is: multiphase pool-generation and accumulationcontrolled by ancient uplift. The Meso-Cenozoic forelandbasins in the Tarim Basin, which are distributed on the era-tonic circumference and are a long-term subsidence, turnedinto rejuvenated foreland basins after the Meso-Cenozoicperiod. The petroleum prospects are: coal-bed generatinghydrocarbon, abundant natural gas, pool-generation in laterand recent periods, the oil and gas distribution controlled bythe foreland thrust belt. The structural characteristics ofTarim provide it with a superimposition and combinationpetroleum system of multiple resources, multiple reservoirsand multiphase pool-generation. The oil and gas explorationprospect covers two large fields: the Paleozoic craton and theMeso-Cenozoic foreland thrust belt.

关键词： Tarim superimposition and combination basin craton foreland basin superimposition and combination petroleum system.

Mn content of reservoir calcite cement: A novel inorganic geotracer of secondary petroleum migration in the tectonically complex Junggar Basin (NW china)

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Science china Earth Sciences 2007年第12期50卷 1796-1809页

作者： CAO Jian1,HU WenXuan1,YAO SuPing1,ZHANG YiJie2,WANG XuLong3,ZHANG YueQian3,TANG Yong3 & SHI XinPu3 1 State Key Laboratory for Mineral Deposit research,Department of Earth Sciences,Nanjing University,Nanjing 210093,china 2 research institute of exploration and development,petrochina,beijing 100083.china 3 research institute of exploration and development,petrochina Xinjiang Oilfield Company,Karamay 834000,china 1. State Key Laboratory for Mineral Deposit research Department of Earth Sciences Nanjing University Nanjing 210093 China 2. research institute of exploration and development PetroChina Beijing 100083 China 3. research institute of exploration and development PetroChina Xinjiang Oilfield Company Karamay 834000 China

Electronic probe microanalysis(EPMA) results of reservoir calcite cement from fourteen core samples in the Junggar Basin show that Mn-content varies largely between different samples from below the detect limitation to 4.14%,while it displays a generally good correlation with oil-gas ***,therefore,likely indicates that concentration of the Mn-content of the calcite cement has a close rela-tion to the intensity of petroleum fluid charging during hydrocarbon secondary *** order to assess this hypothesis,oxygen and strontium isotopic measurements on sixteen calcite veins host in source sequences were carried out to investigate the feature of the oil-source petroleum *** results imply that during hydrocarbon generation and migration,deep hot fluid has dissolved volcanic minerals interlined between mudstone source *** Mn is a kind of typical trace element enriched in volcanic rocks,it is reasonable to conclude that the petroleum fluid formed in the source sequences would be ***,calcite cements precipitated from such Mn-rich petroleum fluid would be Mn-rich *** to the geologic chromatographic effect during migration along reservoir rocks,the decreasing of the Mn-content of the reservoir calcite cements indicates the migration ***,this novel geotracer was further successfully applied in the study of hydrocarbon migration in the Junggar Basin in combination with organic geochemical analyses during the hydrocarbon *** Mn content of the reservoir calcite cement appears promising as a novel inorganic geotracer for the petroleum *** paper represents a search for novel indicators of secondary petroleum migration in tectonically complex basins based on fundamentals of the reservoir fluid-rock interactions.

关键词： petroleum migration, inorganic geochemistry, water-rock interaction, reservoir calcite cement, the Junggar Basin

Contributors and potential of hydrocarbon generation of source rocks by solid-state ^(13)C NMR spectroscopy

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Chinese Science Bulletin 1997年第6期42卷 478-481页

作者： WANGZhaoyun, ZHAO Changyi, CHENG Keming and LU Qinghua1. research institute of petroleum exploration and development, china National petroleum Corporation, beijing 100083, china:2. University of petroleum, beijing, 100083.china research institute of petroleum exploration and development China National Petroleum Corporation Beijing China University of petroleum Beijing China

SOLID-STATE 13C nuclear magnetic resonance （NMR） technique is an effective method to study the texture of material. Under the condition of high magnetic field （400 MHz） and by the application of cross polarization, magic angle spinning （CP/MAS）, total sideband suppression （TOSS）, etc., the content of different textural carbons in kerogen has been quantitatively analyzed by the solid-state 13C NMR spectroscopy of a series of kerogen of thermal simulation samples with Ro value ranging from 0.64% to 1.76%. The results show that

关键词： solid 13C NMR analysis aliphatic carbon potential of hydrocarbon generation of source rocks.

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)

Curve fitting and optimal interpolation on CNC machines based on quadratic B-splines

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Science china(Information Sciences) 2011年第7期54卷 1407-1418页

作者： ZHANG Mei 1,YAN Wei 2,YUAN ChunMing 1,WANG DingKang 1 & GAO XiaoShan 1 1 Key Laboratory of Mathematics Mechanization,Academy of Mathematics and Systems Science,Chinese Academy of Sciences,beijing 100190,china 2 research institute of petroleum exploration and development,beijing 100083.china 1. Key Laboratory of Mathematics Mechanization Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing 100190 China2. Research Institute of Petroleum Exploration and Development Beijing 100083 China

In this paper,curve fitting of 3-D points generated by G01 codes and interpolation based on quadratic B-splines are *** points of G01 codes are selected using an adaptive ***,quadratic B-splines are obtained as the fitting curve by interpolating these feature *** required in implementing the velocity planning algorithm mentioned by Timer et *** very complicated because of the appearance of high-order *** improved time-optimal method for the quadratic B-spline curves is presented to circumvent this *** algorithms are verified with simulations as well as on real CNC machines.

关键词： quadratic B-spline G01 codes feature point velocity planning interpolation

CHARACTERISTICS　OF　COAL－FORMED　GAS　ACCUMULATION　BELTS　IN　THE　EAST　PART　OF　THE　CENTRAL－ASIA　COAL－FORMED　GAS　ACCUMULATION　DOMAIN　──SERIES　STUDY　Ⅲ　ON　THE　CENTRAL－ASIA　COAL－FORMED　GAS　ACCUMULATION　DOMAIN

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石油勘探与开发 1995年第5期22卷 87-95页

作者： Dai Jin-xing Li Xian-qi(research institute of petroleum exploration and development, CNPC. beijing, 100083, P. R. china)

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关键词： GAS FORMED COAL ACCUMULATION BELTS ASIA EAST

Discovery of a Late Permian Angara-Cathaysia mixed flora from Acheng of Heilongjiang,china,with discussions on the closure of the Paleoasian Ocean

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Science china Earth Sciences 2009年第12期52卷 1746-1755页

作者： DENG ShengHui1,2, WAN ChuanBiao3 & YANG JianGuo3 1 research institute of petroleum exploration and development, petrochina, beijing 100083, china 2 State Key Laboratory of Enhanced Oil Recovery, beijing 100083.china 3 Daqing institute of petroleum exploration and development, petrochina, Daqing 164712, china research institute of petroleum exploration and development PetroChina Beijing 100083 China State Key Laboratory of Enhanced Oil Recovery Beijing 100083 China Daqing institute of petroleum exploration and development PetroChina Daqing 164712 China

This work documents a new flora from the Upper Permian Hongshan Formation of Acheng County, Heilongjiang Province, Northwest china. The flora consists of 20 species: Paracalamites sp., Pecopteris tangwangheensis Huang, Callipteris obese Huang, Callipteris shenshuensis Huang, C. tangwangheensis Huang, C. heilongjiangensis Huang, C. zeilleri Zalessky, C. sp., Comia yichunensis Huang, C. tenueaxis Huang, Iniopteris sibirica Zalessky, Supaia teiliensis Huang, Compsopteris tchirkovae Zalessky, C. cf. adzvensis Zalessky, Nilssonia sp. 1, Nil. sp. 2, Taeniopteris cf. densissima Halle, T. cf. nystraemii Halle, T. sp. and Noeggerathiopsis derzavinii Neub. It is dominated by Angara species but mixed with some typical Cathaysian elements. The age of the flora is assigned to late of the Late Permian according to the stratigraphic ranges of the known species and the comparisons of it with the similar floras. The new discovery indicates that the final collision between the North china Plate and Siberian Plate occurred in Late Permian along the Xar Moron River-Changchun-Yanji sutured zone, and the Paleoasian Ocean was finally closed at the end of the Permian.

关键词： Late Permian mixed Angara-Cathaysia flora Paleoasian Ocean plate collision Heilongjiang Province of china

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Geological analysis and physical modeling of structural pumping in high effective formation of Kela 2 gas field

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Science china Earth Sciences 2006年第10期49卷 1070-1078页

作者： ZHAO Wenzhi1, WANG Hongjun1, SHAN Jiazeng2, WANG Zecheng1 & XU Dafeng1 1. research institute of petroleum exploration and development, petrochina, beijing 100083, china 2. institute of Geology and Geophysics, Chinese Academy of Sciences, beijing 100029, china 1. research institute of petroleum exploration and development Petrochina Beijing 100083 China 2. institute of Geology and Geophysics Chinese Academy of Sciences Beijing 100029 China

In a 3-D closed geological body, in case “structural expanding” inside is induced by stress, it can produce the pressure difference between the expanding cell and surrounding rock, then generate a pumping force directed toward the cell and accelerate the directional flow of fluid in the strata. The structural style and conditions of gas reservoir-formation in the Kuqa depression are favorable to the structural pumping. According to similarity principle, a physical modeling of structure formation and gas filling process of the Kela 2 gas field has justified the occurrence of structural pumping and its important role in gas-reservoir formation with high efficiency under the compressive and well-sealed circumstance. Therefore, authors propose that structural pumping is an important mechanism of gas reservoir-formation with high efficiency in the Kuqa depression.

关键词： Kela 2 gas field, structural pumping, gas-reservoir formation mechanism, high efficiency,physical modeling.

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,SINOPEC,beijing 100083.china china Univ Petr State Key Lab Petr Resource & Prospecting Beijing 102249 Peoples R China china Univ Petr CNPC Geophys Explorat Key Lab Beijing 102249 Peoples R China SINOPEC Explorat & Prod Res Inst Beijing 100083 Peoples R 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