石油实验地质

NEW IDEA ABOUT HYDROCARBON GENERATION AND POOL FORMATION

Guan Defan, Wang Guoli, Zhang Jingong, Wang Jie

2005, 27(5): 425-432. doi: 10.11781/sysydz200505425

Abstract(847) PDF-CN(568)

Abstract:
Hydrocarbon generation,migration,accumulation and diffusion loss are the products of sediments after a series of physical and chemical changes during basin formation,development and withering.The first migration of oil and gas is caused by physical field of unloading and decompression.Source rock ex...

POLYCYCLIC EVOLUTION AND PETROLEUM ACCUMULATION IN THE WEST OF CHINA

He Zhiliang, Gu Yi, Gao Shanlin

2005, 27(5): 433-438. doi: 10.11781/sysydz200505433

Abstract(982) PDF-CN(478)

Abstract:
Regional tectonic framework of the vast northwest area identified by 2 lithosphere fractures of Eerqisi-Deerbugan and Kangxiwa-Longmucuo-Lancangjiang is composed of polycyclic orogenic belt and ancient continental segment with different size and characteristics in the Kasakstan and Ancient China con...

THREE PALEO-OCEANS IN THE EARLY PALEOZOIC AND THEIR CONTROL TO BASINS IN CHINA

Gao Changlin, Huang Zeguang, Ye Deliao, Liu Guangxiang, Ji Rangshou, Qin Deyu

2005, 27(5): 439-448. doi: 10.11781/sysydz200505439

Abstract(982) PDF-CN(600)

Abstract:
The Late Proterozoic-Early Paleozoic ancient plate system centered by Chinese plates and the Ancient China Ocean can be described as 3 oceans and 4 lands.There are 4 big plates seperated by 3 connected oceans: the Siberia Plate(group),the Ancient Middle Asia Ocean and North China Plate group,the Anc...

TECTONIC EVOLUTION AND BASIN FORMATION OF THE MESOZOIC AND CENOZOIC ON THE BOTH SIDES OF QINLING-DABIE OROGENIC BELT

Ji Rangshou, Gao Changlin

2005, 27(5): 449-454. doi: 10.11781/sysydz200505449

Abstract(852) PDF-CN(452)

Abstract:
Since the Indosinian epoch,under a condensing tectonic environment compressed from3 sides,the Chinese continent has experienced 4 stages of tectonic evolution:T₃—J₂,J₃—K₁,K₂—E,and E₃/N-Q,resultingin corresponding basin prototypes along both sides of the Qinling-Dabie orogenic belt.The 1ststageis cha...

POOL FORMING PATTERN AND PROCESS OF THE UPPER PERMIAN-LOWER TRIASSIC, THE PUGUANG GAS FIELD, NORTHEAST SICHUAN BASIN, CHINA

Ma Yongsheng, Fu Qiang, Guo Tonglou, Yang Fengli, Zhou Zuyi

2005, 27(5): 455-461. doi: 10.11781/sysydz200505455

Abstract(1125) PDF-CN(708)

Abstract:
As the two wells (Puguang 1 and Puguang 2) have produced a large amount of commercial natural gas from the Upper Permian Changxing Formation and Lower Triassic Feixianguan Formation in the northeast of Sichuan Basin,the Puguang natural gas field has become the biggest in the basin.The Upper Permian ...

THE EVOLUTION MODLE OF THE PUGUANG GAS FIELD IN NORTHEAST OF SICHUAN

Cai Liguo, Rao Dan, Pan Wenlei, Zhang Xinguo

2005, 27(5): 462-467. doi: 10.11781/sysydz200505462

Abstract(1045) PDF-CN(564)

Abstract:
The composition of gas in the Puguang gas field shows that methane is high and hexane,propane and heavier hydrocarbon are low,and coefficient of gas desiccation(C₁/C₁-C₅) is 0.989 6～0.999 6,clearly,the gas is the type of split gas.The oil was from the sources rocks of Lower Silurian and Permian,and ...

CHARACTERISTICS AND SIGNIFICANCE OF THE CALEDONIAN KARST IN THE TAHE OIL FIELD, THE TARIM BASIN

Yu Renlian

2005, 27(5): 468-472. doi: 10.11781/sysydz200505468

Abstract(986) PDF-CN(485)

Abstract:
The Tahe oil field is located in the Akekule uplift in the north of Tarim basin.It is the biggest carbonate hydrocarbon reservoir found in the Tarim basin up to now,and the biggest in China.According to exploration,the Ordovician reservoir,as the main reservoir bed in Tahe oil field,is mainly compos...

ANALYSIS ON THE POTENTIAL OF HYDROCARBON RESOURCES AND EXPLORATION AND PRODUCTION IN VENEZUELAN

Xu Wenming, Ye Deliao, Chen Ronglin

2005, 27(5): 473-478. doi: 10.11781/sysydz200505473

Abstract(1457) PDF-CN(531)

Abstract:
Based on researching petroleum geology feature for petroliferous basins of Venezuelan,taking the Maracaibo and the Eastern Venezuelan Basin as an example,it is proposed that Venezuelan is a strategy area for overseas petroleum exploration and production.Venezuelan is rated as a major distribution co...

PETROLEUM GEOLOGICAL CHARACTERISTICS AND EXPLORATION POTENTIAL IN THE PALEOZOIC OF RUB AL KHALI BASIN, SAUDI ARABIA

Lü Xueyan

2005, 27(5): 479-483. doi: 10.11781/sysydz200505479

Abstract(1059) PDF-CN(451)

Abstract:
Petroleum geological characteristics and exploration potential have been analyzed in the Rub al Khali Basin with the theory of petroleum geology,reservoir geology and petroleum entrapment.The Rub al Khali Basin is located in the most proliferic hydrocarbon accumulation region,developing multiple res...

PROSPECTION OF PETROLEUM GEOCHEMISTRY

Zhang Yigang

2005, 27(5): 484-489. doi: 10.11781/sysydz200505484

Abstract(841) PDF-CN(570)

Abstract:
It is reviewed in this article the progress of petroleum geochemistry in hydrocarbon generation,migration and accumulation,including: discerning technology of hydrocarbon precursors using biomarkers and carbon number distribution of alkanes,as well as the isotopic composition of alkanes;whether sour...

CHARACTERISTICS OF MIDDLE PALAEOZOIC MARINE SOURCE ROCK IN THE NORTH MARGIN OF MIDDLE AND UPPER YANGTZE REGION

Liu Guangxiang

2005, 27(5): 490-495. doi: 10.11781/sysydz200505490

Abstract(783) PDF-CN(529)

Abstract:
Organic geochemical researches on the Middle Palaeozoic marine profiles in the north margin of Middle and Upper Yangtze region show that the Middle Palaeozoic marine source rock mainly developed in Lower Cambrian,the bottom of Upper Ordovician Wufeng-Lower Silurian Longmaxi Formation and Permian.The...

RESEARCHES ON THE CHARACTERISTICS OF THE NEUTRAL NITROGEN COMPOUNDS AND THE OIL MIGRATION IN ORDOVICIAN CRUDE OIL FROM TAHE OIL FIELD, TARIM BASIN

Shao Zhibing

2005, 27(5): 496-501. doi: 10.11781/sysydz200505496

Abstract(705) PDF-CN(413)

Abstract:
In Tahe oil field,the oil accumulation formed in several stages.The heavy oil and the light oil are together in presence in the Ordovician reservoirs.In heavy oil,not only the absolute concentrations but also the ratio indicators of neutral nitrogen compounds are too low to distinguish the oil migra...

Qian Yixiong, Cai Liguo, Gu Yi

2005, 27(5): 502-507. doi: 10.11781/sysydz200505502

Abstract(684) PDF-CN(510)

Abstract:
The wide range variation of composition of formation water distributed in the different areas of the Taihe oilfield are likely to represent the different and complex system of fluid.Using the mapping of ion related parameters of formation water distribution in the Taihe oilfield,authors have tried t...

HYDROCARBON VERTICAL MICRO-MIGRATION AND ITS GEOCHEMICAL EFFECTS IN SICHUAN BASIN

Tang Yuping, Liu Yunli, Zhao Yuewei, Chen Yingjie

2005, 27(5): 508-511. doi: 10.11781/sysydz200505508

Abstract(735) PDF-CN(528)

Abstract:
According to the characteristics of the hydrocarbons in the well profiles,the hydrocarbon vertical micro-migrating tracks can be revealed and then proceed to trace to the source of hydrocarbon anomalies near surface.This is an important method of studying the near-surface hydrocarbon anomaly pattern...

DISCUSSION ON THE KINETIC CHARACTERISTICS OF HYDROCARBON GENERATION OF DIFFERENT MACERAL SOURCE ROCKS

Jiang Qigui, Wang Qin, Cheng Qiuquan, Zhang Caiming, Liu Wenbin

2005, 27(5): 512-518. doi: 10.11781/sysydz200505512

Abstract(678) PDF-CN(486)

Abstract:
The distributions of activation energy of different hydrocarbon source rocks and the relationship between average activation energy and different macerals were discussed in this paper.Research results show that a positive correlation between maturity and average activation energy can be observed.The...

NEW TECHNIQUES IN OIL AND GAS GEOCHEMICAL EXPLORATION

Qin Jianzhong, Qian Zhihao, Cao Yin, Zhang Meizhen

2005, 27(5): 519-528. doi: 10.11781/sysydz200505519

Abstract(828) PDF-CN(613)

Abstract:
The oil and gas geochemical analysis technology has gone through three processes of establishment,growing and innovation in our country since it being introduced from former Soviet Union in 1950's.The important new techniques developed in recent years are detection of light hydrocarbons in oil,gas a...

LOOKING FORWARD TO THE POSITION AND ROLE OF SURFACE GEOCHEMICAL EXPLORATION FOR OIL AND GAS

Xia Xianghua

2005, 27(5): 529-533. doi: 10.11781/sysydz200505529

Abstract(934) PDF-CN(569)

Abstract:
In 1930's,German Laubmeyer and former Soviet Sokolov developed gas surveying method,raising the curtain on petroleum geochemical exploration.Up to now a whole series of methods and indicators have been set up so as to detect the physical,chemicalandbiologicalchanges related to hydrocarbon microseep ...

EXPERIMENTAL STUDY ON DIAGENETIC EVOLUTION FOR TRIASSIC IN THE SONGPAN-ABA AREA

Yang Qi, Liu Weixin

2005, 27(5): 534-538. doi: 10.11781/sysydz200505534

Abstract(982) PDF-CN(449)

Abstract:
In this paper,diagenetic features have been studied and diagenetic stages identified for Triassic in the Songpan-Aba area by experimental analysis on diagenetic indicators,such as petrologic analysis on mineral facies,investigations of clay minerals and assemblage features,illite crystallinity deter...

FEATURES OF ANOMALIES RELATED TO RESERVOIR AND ANOMALY PATTERN RECOGNITION IN INTENSIVE OIL AND GAS GEOCHEMICAL EXPLORATION

Zhao Kebin, Sun Changqing

2005, 27(5): 539-543. doi: 10.11781/sysydz200505539

Abstract(817) PDF-CN(427)

Abstract:
Intensive oil and gas geochemical exploration is a new technique recently developed by former Hefei Institute of Petroleum Geochemical Exploration.Based on the research results of the near-surface hydrocarbon compositions and their distribution characteristics acquiring through the new lighthydrocar...

EXPERIMENTAL STUDY ON TRACE ELEMENT METHOD IN SURFACE GEOCHEMICAL PROSPECTING FOR OIL AND GAS

Wang Guojian, Cheng Tongjin, Wang Duoyi

2005, 27(5): 544-549. doi: 10.11781/sysydz200505544

Abstract(979) PDF-CN(539)

Abstract:
Based on confirming the existence of hydrocarbon microseepage over Xinchang gas field in west of Sichuan Basin,surface trace element survey and hydrocarbon geochemical exploration were conducted in this area.The relationship between trace elements and surface geochemical indicators with hydrocarbon ...

2005 Vol. 27, No. 5

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