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Structural characteristics and petroliferous features of Tarim Basin

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.

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Significantly Enhanced Melt Memory Effect of Metallocene-made Isotactic Polypropylene Containing Talc

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Chinese Journal of Polymer Science 2024年第2期42卷 213-222,I0008页

作者： Hong-Wen Sun Fu-Shan Wang Yan Gao Fu-Qing wei jia-Chun Feng State Key Laboratory of Molecular Engineering of Polymers Department of Macromolecular ScienceFudan UniversityShanghai200433China Lanzhou Petrochemical Corporation of petrochina Lanzhou730060China Lanzhou Petrochemical Research Center Petrochemical Research Institute of PetroChinaLanzhou730060China

The melt memory effect is a widely observed phenomenon in semi-crystalline polymers. In practical applications, various additives are usually introduced into polymers, which may affect their melt memory behavior. In this work, the effect of talc on the melt memory effect of metallocene-made isotactic polypropylene(M-PP) was investigated in detail by using the differential scanning calorimetry. The results indicated that the introduction of talc significantly strengthened the melt memory effect of M-PP. Specifically, the upper limit temperature of Domain II increased from 161 ℃ to 174 ℃, resulting in a substantial widening of the temperature range of Domain IIa from 1 ℃ to 14 ℃. Analysis of the crystal orientation of the M-PP containing talc cooled from various Ts suggested that the remarkably enhanced melt memory effect could be ascribed to the stabilization of oriented nuclei facilitated by talc. This stabilizing effect was likely attributable to the prefreezing effect or the sorption interaction between talc and the M-PP chains.

关键词： Metallocene-made isotactic polypropylene Talc Melt memory effect Crystal orientation

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Science china Earth Sciences 2004年第10期47卷 886-895页

作者： TANG Liangjie1,2, jia chengzao3, PI Xuejun4, CHEN Suping1,2, WANG Zhiyu5, XIE Huiwen4 1. Key Laboratory for Hydrocarbon Accumulation of Education Ministry, beijing 102249, china 2. Basin & Reservoir Research Center, University of Petroleum, beijing 102249, china 3. petrochina company limited, beijing 100011, china 4. Tarim Oilfield company, petrochina company Ltd., Kurle 841000, china 5. Department of Geology, University of Petroleum, beijing 102249, china 1. Key Laboratory for Hydrocarbon Accumulation of Education Ministry 102249 Beijing China 2. Basin & Reservoir Research Center University of Petroleum 102249 Beijing China 3. petrochina company limited 100011 Beijing China 4. Tarim Oilfield company PetroChina Company Ltd. 841000 Kurle China 5. Department of Geology University of Petroleum 102249 Beijing China

The salt beds of Lower Tertiary developed in the mid-segment of Kuqa foreland fold belt, northern Tarim basin. They considerably controlled structural deformation of the belt. Ac- cording to the field observation, seismic profile interpretation and drilling data, three different structural styles of supra-salt, intra-salt and sub-salt occurred in the Kuqa foreland fold belt. Su- pra-salt structural styles mainly include thrust faults and fault-related sags. Intra-slat structural styles essentially are salt-pillows, intra-salt faults and folds, and salt weld structures. Sub-salt structural styles mainly consist of imbricated thrust faults, duplex structures, pop-up and fault-related folds. It is indicated that great differences exist among supra-salt, intra-salt and sub-salt structures of Kuqa foreland fold belt. The salt-related structures were formed in the same structural stress field. The dynamic mechanism of the salt-related structures is mainly associated with gravitation, compression and plastic flow of salt beds.

关键词： salt-related structural style, supra-salt structure, intra-salt structure, sub-salt structure, Kuga foreland fold belt.

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Application of fuzzy comprehensive evaluation method to assess effect of conformance control treatments on water-injection wells

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Petroleum 2024年第1期10卷 165-174页

作者： Hu jia Pengwu Li wei Lv jianke Ren Chen Cheng Rui Zhang Zhengjun Zhou Yanbin Liang State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation Southwest Petroleum UniversityChengduChina Oil and Gas Technology Research Institute PetroChina Changqing Oilfield CompanyXi'anChina Oil Production Technology Institute of petrochina Dagang Oilfield company TianjinChina

As an effective method to prolong the life of mature field,conformance control in water-injection well has been used ***,effect evaluation of conformance control has attracted great attention because it is an important guideline for the design of later enhanced oil recovery(EOR)***,production responses such as excessive water reduction and oil production increment are widely used as the ***,production responses may be unreliable due to the difficulty in determining an effective injection well which is caused by a large number of treated water-injection wells in a well ***,with the application of fuzzy comprehension evaluation(FCE),five evaluation indexes(injection pressure,injectivity index,slope of hall curve,variation coefficient and homogenization coefficient of injection profile)describe injection responses were selected to establish a new evaluation method in this *** on fuzzy mathematics,FCE reflects the difference of evaluation ***,weights of evaluation indexes were obtained by analytic hierarchy process(AHP),which made the results more *** Bai 239 oilfield as an example,the five injection responses indexes were used to assess treatment effect on five water-injection wells by single index evaluation and *** results showed that among the five evaluation indexes mentioned above,the slope of hall curve was the most important factor affected evaluation *** single index evaluation,opposite results may be produced easily on account of the one-sidedness of single index or human ***,we found that effective treatment was a relative concept *** result of FCE was consistent with single index evaluation but FCE was more *** study suggests that FCE could be applied to another field such as water flooding,acidizing and hydraulic fracturing.

关键词： Enhanced oil recovery Injection responses Fuzzy mathematics Analytic hierarchy process Effect evaluation

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Silurian to Devonian foreland basin in the south edge of Tarim Basin

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Chinese Science Bulletin 2002年第S1期47卷 42-46页

作者： wei guoqi jia chengzao LI Benliang CHEN Hanlin Langfang Branch Research Institute of Exploration and Development petrochina Langfang 065007China petrochina company limited Beijing 100011China Earth Science Department Zhejiang UniversityHangzhou 310013 China

Based on the theory of plate tectonics, combin-ing with the isotopic dating of ophiolite, igneous and volcan-ics, geochemical test, rare earth element analyze and seismicinterpretation, this paper studies the pre-Carboniferous tec-tonics and sedimentary formation of the south edge of theTarim Basin and proves that there exists the Kunlun Oceanunder tensional tectonics during the Sinian and Cambrian inthe south edge of the Tarim Plate. After that, due to the colli-sion orogenesis, there formed the peripheral foreland basinin the south edge of Tarim. The Upper Silurian and Devo-nian molasses sedimentary system superposed on the Sinianand Middle Silurian passive margin flysch sedimentary sys-tem and formed the bivariate structure of the foreland *** at the same time, based on the field geology and seismicinterpretation, we have identified that the formation of theSilurian and Devonian have the character of half depositwhich shows thick in the south area and thin in the north,and the pre-Carboniferous thrust compression tectonics re-mained in the foreland thrust belt, which further demon-strates that there existed the Silurian and Devonian periph-eral foreland basin on the south edge of the Tarim Basin.

关键词： Tarim Basin ophiolite igneous volcanics peripheral foreland basin foreland thrust belt.

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Meso-Cenozoic Tectonic Events Recorded by Apatite Fission Track in the Northern Longmen-Micang Mountains Region

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Acta Geologica Sinica(English Edition) 2012年第1期86卷 153-165页

作者： LEI Yongliang jia chengzao LI Benliang wei guoqi CHEN Zhuxin SHI Xin State Key Laboratory of Enhanced Oil Recovery Beijing 100083China Research Institute of Petroleum Exploration and Development(RIPED) PetroChinaBeijing 100083China petrochina company limited Beijing 100010China Research Institute of Petroleum Exploration and Development-Langfang Langfang 065007China

There is a cross-cutting relationship between the E-W trending structures and the NE- trending structures in the northern Longmen-Micang Mountains region, which reflects possible regional tectonic transition and migration. Apatite fission track （AFT） analyses of 15 samples collected from this area yield apparent ages varying from 30.3±4.2 Ma to 111.7±9.0 Ma and confined-track-lengths ranging from 10.6±0.3 pm to 12.4±0.1 μm. Four specific groups were identified on the basis of the Track Age Spectrum Calculation （TASC） patterns, i.e., 143-112 Ma, 93.6-88 Ma, 42-40 Ma and -25.6 Ma. These age groups correspond to the spatial distributions of datasets and may represent four tectonic events. Together with the regional deformation patterns, the four age groups are interpreted to indicate tectonic superposition, transition and migration during the Meso-Cenozoic with the following possible order：（1） the Micang Mountains belt was dominated by the E-W trending structure during 143-112 Ma; （2） the contraction of the Longmen Mountains belt from the NW to the SE during 93.6-88 Ma led to the superposition of the NE-trending structures over the E-W trendinding structures; （3） dextral strike-slip shear dominated the Longmen Mountains belt at 42-40 Ma; （4） westward migration of the active tectonic belt occurred from 93.6-25.6 Ma in a break-back sequence in the northern Longmen Mountains belt. The Late Cenozoic tectonics in the northern Longmen Mountains belt are characterized by the dextral strike-slip shear and the occurrence of westward break-back sequence of deformations. As a result, north-south differences in deformations along the Longmen Mountains belt were intensified since the Miocene time and strains were mainly accumulated in the hinterland of the Longmen Mountains instead of being propagated to the foreland basin.

关键词： apatite fission track tectonic events Longmen Mountains Micang Mountains Meso-Cenozoic

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Synergistic anionic/zwitterionic mixed surfactant system with high emulsification efficiency for enhanced oil recovery in low permeability reservoirs

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Petroleum Science 2024年第2期21卷 936-950页

作者： Hai-Rong Wu Rong Tan Shi-Ping Hong Qiong Zhou Bang-Yu Liu jia-wei Chang Tian-Fang Luan Ning Kang Ji-Rui Hou National Key Laboratory of Petroleum Resources and Engineering China University of Petroleum-BeijingBeijing102249China Unconventional Petroleum Research Institute China University of Petroleum-BeijingBeijing102249China Gas Production Plant 5 of petrochina Changqing Oilfield company PetroChinaXi'an710000ShaanxiChina College of Petroleum Engineering China University of Petroleum-BeijingBeijing102249China College of Science China University of Petroleum-BeijingBeijing102249China Kazakh-British Technical University Almaty050000Kazakhstan

Emulsification is one of the important mechanisms of surfactant flooding. To improve oil recovery for low permeability reservoirs, a highly efficient emulsification oil flooding system consisting of anionic surfactant sodium alkyl glucosyl hydroxypropyl sulfonate(APGSHS) and zwitterionic surfactant octadecyl betaine(BS-18) is proposed. The performance of APGSHS/BS-18 mixed surfactant system was evaluated in terms of interfacial tension, emulsification capability, emulsion size and distribution, wettability alteration, temperature-resistance and salt-resistance. The emulsification speed was used to evaluate the emulsification ability of surfactant systems, and the results show that mixed surfactant systems can completely emulsify the crude oil into emulsions droplets even under low energy conditions. Meanwhile,the system exhibits good temperature and salt resistance. Finally, the best oil recovery of 25.45% is achieved for low permeability core by the mixed surfactant system with a total concentration of 0.3 wt%while the molar ratio of APGSHS:BS-18 is 4:6. The current study indicates that the anionic/zwitterionic mixed surfactant system can improve the oil flooding efficiency and is potential candidate for application in low permeability reservoirs.

关键词： Anionic/zwitterionic mixed surfactant system Emulsification Synergistic effect Low permeability reservoir Enhanced oil recovery

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Mechanical characteristics and reservoir stimulation mechanisms of the Gulong shale oil reservoirs, the northern Songliao Basin

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Petroleum Science 2024年第3期21卷 2023-2036页

作者： Si-wei Meng jia-Ping Tao Tian-jiao Li Dong-Xu Li Su-Ling Wang Liu Yang Xin Liu Li-Hao Liang He Liu petrochina Research Institute of Petroleum Exploration Development Beijing100083China National Key Laboratory of Continental Shale Oil Daqing 163002HeilongjiangChina Dalian University of Technology Dalian116024LiaoningChina petrochina Daqing Oilfield Co.Ltd. Daqing163002HeilongjiangChina Northeast Petroleum University Daqing163002HeilongjiangChina china University of Mining and Technology(beijing) Beijing100083China

Shale oil of the Qingshankou Formation of the Gulong Sag,the northern Songliao Basin,represents the first attempt at large-scale development of pure-shale-type shale oil in *** integrating the multiscale refined reservoir characterization with macro-micro-scale mechanical testing,it is clarified that the Gulong shale is characterized by high clay mineral content,high rock plasticity,highly-developed bedding,and prominent mechanical anisotropy.A three-dimensional(3D)fracture propagation model of hydraulic fracturing was built for the Gulong shale,which fully captures the hydraulic fracture distribution pattern affected by the high bedding density,in-situ stress,and fracturing treatment *** research showed that due to influences of bedding,hydraulic fracturing in the Gulong shale forms a complex fracture morphology featuring the main fracture with multiple perpendicular branches that have different lengths(like the outdoor directional TV antenna);however,the vertical propagation of fractures is inhibited,and the fracture height is commonly less than 10 *** limited stimulated reservoir volume(SRV)is the main problem facing the fracturing stimulation of the Gulong shale *** density has vital effects on fracture morphology,so case-specific fracturing designs shall be developed for shale intervals with different bedding development *** reservoirs with welldeveloped bedding,it is suggested to properly increase the perforation cluster spacing and raise the volume and proportions of viscous fluids of the pad,so as to effectively promote vertical fracture propagation and improve reservoir stimulation *** study integrates multi-scale fine reservoir characterization and macro-micro-scale mechanical testing,as well as the construction and numerical simulation of hydraulic fracturing models for high-density layered shale reservoirs,providing a new approach and methodological framework for the fracturing research of high-density layer

关键词： Shale oil Hydraulic fracturing High bedding density Fracture propagation model

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Hydrogen production from hydrolysis of NaBH_(4) solution over Co-Fe-B@g-C_(3)N_(4)/NF thin film catalyst

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Rare Metals 2024年第6期43卷 2648-2659页

作者： Yan Wang jia-Xin Ma jian Ren Di Zhang Feng-Yan Xu Ke Zhang Zhong-Qiu Cao Qiu-Ju Sun Guo-De Li Shi-wei Wu Hong-Hui Chen College of Chemistry and Chemical Engineering Shenyang Normal UniversityShenyang 110034China Experimental Center Shenyang Normal UniversityShenyang 110034China Hunan Shande Energy Storage New Materials Research Institute limited company Changde 415000China

In this study,the double loaded Co-Fe-B@g-C_(3)N_(4)/NF(NF:Ni foam)thin film catalysts were prepared for the first time via chemical deposition method at room *** optimizing the reducing agent concentration to 0.9 mol·L^(-1),the as-obtained Co-Fe-B@g-C_(3)N_(4)/NF exhibited the twisted ribbon structure with more distinct three-dimensional hierarchy and the smaller particle size,showing the good catalytic property for the hydrolysis of NaBH_(4)*** H_(2)generation rate of Co-Fe-B@g-C_(3)N_(4)/NF and binary Co-B@g-C_(3)N_(4)/NF under visible light irradiation surpassed the value under natural *** apparent activation energy of Co-Fe-B@g-C_(3)N_(4)/NF(45.0 kJ·mol^(-1))under visible light irradiation was obviously reduced when compared with the natural condition(48.4 kJ·mol^(-1))and binary Co-B@g-C_(3)N_(4)/NF(60.6 kJ·mol^(-1))under visible light ***,the catalytic performance of the optimized Co-Fe-B@g-C_(3)N_(4)/NF thin film catalyst was superior to most of the reported non-noble metal and even noble metal ***,it illustrated that the catalytic H_(2)production performance of Co-Fe-B@g-C_(3)N_(4)/NF thin film was distinctly improved after the introduction of light and multicomponent recombination.

关键词： Sodium borohydride Co-Fe-B@g-C_(3)N_(4)/NF catalyst Chemical deposition Hydrogen production

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Tectonic evolution of Tethyan tectonic field, formation of Northern Margin basin and explorative perspective of natural gas in Tarim Basin

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Chinese Science Bulletin 2002年第S1期47卷 34-41页

作者： YANG Shufeng jia chengzao CHEN Hanlinwei guoqi CHENG Xiaogan jia Dong XIAO Ancheng GUO Shaojie Department of Earth Science Zhejiang UniversityHangzhou 310027China petrochina company limited Beijing 100724China Langfang Branch of Research Institute of Petroleum Exploration and Development PetroChinaLangfang 065007China Department of Earth Sciences Nanjing UniversityNanjing 310027China Dpartment of Geology Peking UniversityBeijing 100871China

Analyzing the characteristics of the Tethyantectonic field, the authors think that the Tethyan tectonicfield underwent three evolutional stages: closing of Pa-leo-Tethys and rifting of Neo-Tethys from early Permian tolate Triassic, subduction of Neo-Tethys and collision betweenthe Indian plate and the Eurasia plate from Jurassic to earlyof low Tertiary, and collision between the Arab plate and theEurasia plate and the A-type subduction of Indian plate fromlate of low Tertiary to the present. Combining the evolutionof the Tethyan orogenic belt with the characteristics of theNorthern Margin basin, it is suggested that the sedimentaryand tectonic characteristics and types of the Northern Mar-gin basin are controlled by the formation and evolution ofthe Tethyan orogenic belt and the ingression of Tethys. Theevolution of Northern Margin basin can be divided into threedevelopment stages: back-arc foreland basin from late Per-mian to Triassic, the back-arc fault subsidence and depres-sion from Jurassic to the early of low Tertiary, and the reac-tive foreland basin from the late of low Tertiary to the pre-sent. The Northern Margin basin in the Tethyan tectonicfield is an important region for natural gas accumulation,and the Tarim Basin is a part of this region.

关键词： Tethys Northern Margin basin tectonic evolution type of basin accumulation of natural gas.

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