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多套复合盐层的地应力确定方法

天然气工业 2009年第1期29卷 67-69页

作者：侯冰陈勉金衍杨恒林梁红军中国石油大学石油工程教育部重点实验室中国石油集团钻井工程技术研究院中国石油塔里木油田分公司

在库车坳陷古近系多套复合盐层的钻井工程设计当中,通常以上覆岩层压力作为最大水平地应力。现场资料调查表明,以此为依据所设计的套管,常常不能满足该地层套管的抗外挤强度要求。为了解决套管抗外挤强度问题,通过实验测试得到该研究区... 详细信息

在库车坳陷古近系多套复合盐层的钻井工程设计当中,通常以上覆岩层压力作为最大水平地应力。现场资料调查表明,以此为依据所设计的套管,常常不能满足该地层套管的抗外挤强度要求。为了解决套管抗外挤强度问题,通过实验测试得到该研究区块多套复合盐层上、下泥岩地层的地应力值及中间每一层复合盐层的岩石力学参数,并以此作为边界条件,建立了多套复合盐层及上、下泥岩层地应力计算的有限元分析模型,运用数值模拟方法,反演得到每一层复合盐层的地应力场。采用该方法对库车坳陷某地区多套复合盐层的地应力场进行分析,结果表明,中间盐层的水平地应力最高,其上、下的膏盐岩含泥岩层、泥岩含膏盐岩层、泥岩层的水平地应力依次降低。所建立的分析模型,为该地区井壁稳定及套管安全设计工作奠定了基础。

关键词：盐膏层膏构造固井套管柱设计地应力数值模拟

A discussion on the upper limit of maturity for gas generation by marine kerogens and the utmost of gas generative potential:Taking the study on the tarim Basin as an example

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Science Bulletin 2007年第S1期 125-132页

作者： CHEN JianPing1,2, ZHAO WenZhi1, XIAO ZhongYao3. ZHANG ShuiChang1,2, DENG ChunPing1,2, SUN YongGe4 & WANG ZhaoMing3.1 Research Institute of Petroleum Exploration & Development, PetroChina, Beijing 100083. China 2 Key Lab of Petroleum Geochemistry, CNPC, Beijing 100083. China 3.Research Institute of Petroleum Exploration & Development, tarim oilfield company, PetroChina, Korla{3., China 4 State Key Lab of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China

The experimental data yielded by Rock-Eval pyrolysis, kerogen atomic H/C, Py-GC and gold-tube sealing thermal simulation on the marine Cambrian-Ordovician source rock from the tarim Basin revealed that the upper limit of maturity for natural gas generation or the "deadline of gas generation" for marine types I and II kerogens is equal to 3.0% of vitrinite reflectance (Ro); while the "deadline of gas generation" for type III kerogens typically like coals is as high as 10% Ro. Thus, different organic matter has obviously different utmost maturities for gas generation. The mass-balance calculation by kerogen elements showed that when Ro>1.5%, the utmost amount of gas generation for the marine type II kerogen is less than 185 m3.t TOC, accounting for less than 3.% of its total hydrocarbon generative potential; when Ro>2.0%, it becomes 110 m3.t TOC, less than 20% of the total hydrocarbon generative potential. The amount of the gas generative potential obtained by Rock-Eval is only around one tenth of the calculated value by the mass balance of kerogen elements at the same thermal evolutionary stage, while those by Py-GC and gold-tube sealing simulation are intervenient between the above two. The utmost of gas generative potential at the over 1.3. Ro stage is around 60―90 m3.t TOC, therefore, the amount of gas generation obtained by Rock-Eval is the minimum of gas generative potential, while that by the mass-balance calculation of kerogen elements is the maximum that the actual amount of gas generation should not exceed.

关键词： marine source rock kerogen maturity natural gas deadline of gas generation utmost of gas generative potential

Oil-source rock correlation and quantitative assessment of Ordovician mixed oils in the Tazhong Uplift, tarim Basin

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Petroleum Science 2010年第2期7卷 179-191页

作者： Li Sumei Pang Xiongqi Zhang Baoshou Xiao Zhongyao Gu Qiaoyuan State Key Laboratory of Petroleum Resources and Prospecting China University of Petroleum Beijing 102249 China tarim oilfield company PetroChina Korla Xinjiang 841000 China

The origin of the marine oils in the tarim Basin has long been a disputed topic. A total of 58 DST （drill stem test） crude oil and 8 rock samples were investigated using a comprehensive geochemical method to characterize and identify the origin of the Ordovician oils in the Tazhong Uplift, tarim Basin, northwest China. Detailed oil–oil and oil–source rock correlations show that the majority of the oils have typical biomarker characteristics of the Middle-Upper Ordovician （O2＋3. source rock and the related crude oil. These characteristics include a distinct ＂V-shaped＂ relative abundance of C27, C28 and C29 regular steranes, low abundance of dinosterane, 24-norcholestanes, triaromatic dinosteroids and gammacerane. Only a few oils display typical biomarker characteristics indicating the Cambrian–Lower Ordovician （∈-O1） genetic affinity, such as linear or anti ＂L＂ shape distribution of C27, C28 and C29 regular sterane, with relatively high concentrations of dinosterane, 24-norcholestanes, triaromatic dinosteroids and gammacerane. It appears that most of the Ordovician oils in the Tazhong Uplift were derived from the O2＋3.intervals, as suggested by previous studies. However, the compound specific n-alkane stable carbon isotope data indicate that the Ordovician oils are mixtures from both the ∈-O1 and O2＋3.source rocks rather than from the O2＋3.strata alone. It was calculated that the proportion of the∈-O1 genetic affinity oils mixed is about 10.8%-74.1%, with an increasing trend with increasing burial depth. This new oil-mixing model is critical for understanding hydrocarbon generation and accumulation mechanisms in the region, and may have important implications for further hydrocarbon exploration in the tarim Basin.

关键词： Biomarker compound specific isotope oil–source rock correlation mixed oil

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潜江凹陷盐湖沉积储集层分布预测

石油勘探与开发 2004年第2期31卷 74-76,80页

作者：柳保军陈开远史忠生刘刚吕金博中国地质大学(武汉) 中国地质大学(北京) 中国石化河南油田勘探开发研究院

江汉盆地潜江凹陷潜江组为典型的盐湖沉积 ,盐岩主要发育在湖盆基准面的上升早期和下降中晚期 ,储集层发育受湖平面升降旋回、古地貌和物源供给的控制 ,储集层类型有低位体系域砂体、盐湖密度流砂体、湖滨浅滩砂体以及盐间非砂岩等。建... 详细信息

江汉盆地潜江凹陷潜江组为典型的盐湖沉积 ,盐岩主要发育在湖盆基准面的上升早期和下降中晚期 ,储集层发育受湖平面升降旋回、古地貌和物源供给的控制 ,储集层类型有低位体系域砂体、盐湖密度流砂体、湖滨浅滩砂体以及盐间非砂岩等。建立潜江组的高分辨率等时地层格架 ,将高精度测井层序对比与地震剖面横向追踪相结合 ,预测潜江凹陷潜北断裂带的高位及低位体系域三角洲和扇三角洲砂体较发育 ,蚌湖洼陷东斜坡和西斜坡发育扇三角洲砂体 ,凹陷坡折带盐湖密度流砂体等分布较为广泛 ,具有形成隐蔽油气藏的有利条件。图 5参

关键词：潜江凹陷潜江组盐湖沉积储集层类型分布预测

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油气田钻井废弃泥浆处理技术

天然气工业 2008年第2期28卷 87-89页

作者：董仕明王平全陈志勇张报西南石油大学中国石油辽河油田钻井一公司长城公司中国石油新疆油田公司

针对油气田现在应用的废弃泥浆各种环保处理方法,详细阐述了固化处理、MTC(Mud To Cement)、化学强化固液分离及海上废弃泥浆的处理方法。固化处理就是向防渗废弃泥浆土池中投入适量配比的固化剂,按照一定的技术要求进行均匀搅拌,通过... 详细信息

针对油气田现在应用的废弃泥浆各种环保处理方法,详细阐述了固化处理、MTC(Mud To Cement)、化学强化固液分离及海上废弃泥浆的处理方法。固化处理就是向防渗废弃泥浆土池中投入适量配比的固化剂,按照一定的技术要求进行均匀搅拌,通过一定时间的物理和化学变化,使其中的有害成分发生转化、封闭、固定作用,转变成为一种无污染的固体。矿渣MTC是指在泥浆中加入水淬高炉矿渣以及激活剂、分散剂等处理剂,将泥浆转化为水泥浆,该技术减少了废弃泥浆的处理成本,同时也减少了固井所需费用。化学强化固液分离工艺是先对钻井废弃泥浆进行化学脱稳、絮凝处理,然后将废弃泥浆泵入涡轮式离心机实现固液分离,固体掩埋来达到环境保护的效果,减少废弃泥浆的污染。

关键词：钻井废弃泥浆固化 MTC 固液分离环境保护

Volcanic Facies and Their Reservoirs Characteristics in Eastern China Basins

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地学前缘 2009年第S1期16卷 152-153页

作者： Chunshuang Jin~(1,2),Dewu Qiao~2,Wenli Pan~3.1.Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029,China. 2.Strategic Research Center of Oil & Gas Resources,Ministry of Land & Resources,Beijing 10003.,China 3.Geophysical Exploration Research Institute of Huabei oilfield company,Renqiu 062552,China

In these years,the Upper Jurassic andesitic volcanic reservoirs in Erlian basin,the Lower Cretaceous rhyolitic volcanic reservoirs in Songliao Basin,the Cretaceous rhyolitic,and the Paleogene basaltic and trachytic volcanic reservoirs in Bohai Bay Basin,and the basaltic volcanic reservoirs in Subei basin were *** more and more volcanic oil and gas fields being discovered and developed,the volcanic rocks demonstrate a great petroleum potential in eastern basins of *** volcanic facies were identified in these basins,including volcanic conduit facies,explosive facies,effusive facies。

关键词： volcanic rocks volcanic facies reservoirs porosity types

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测井新技术在塔里木油田气藏描术中的应用

天然气地球科学 2004年第3期15卷 285-289页

作者：赵军李进福塔里木油田分公司新疆库尔勒841000

库车前陆盆地是塔里木油田天然气的主要富集区,目前在该区相继发现了克拉2、吐孜洛克和迪那2等一批特大型和大型气田,但由于该区属典型的前陆逆冲断裂带,构造作用的影响十分强烈,岩石的成分成熟度和结构成熟度均较低,储层岩性杂乱、物... 详细信息

库车前陆盆地是塔里木油田天然气的主要富集区,目前在该区相继发现了克拉2、吐孜洛克和迪那2等一批特大型和大型气田,但由于该区属典型的前陆逆冲断裂带,构造作用的影响十分强烈,岩石的成分成熟度和结构成熟度均较低,储层岩性杂乱、物性差、孔隙度小、渗透率低,地层纵向上具有砂泥岩薄互层,地层压力系数变化大,钻井泥浆侵入严重。所有这些不利因素使得常规测井方法对气藏的评价精度较低。为了提高测井效果,近年来塔里木油田陆续引进了斯仑贝谢、阿特拉斯以及哈里伯顿等成像测井技术,这些新技术在克服上述不利因素、解决泥浆侵入、判断气水界面、识别流体性质和精确计算饱和度等方面均具有常规测井技术无法比拟的优点。测井新技术在库车前陆盆地气藏描述中的应用,有效地提高了测井方法对气藏的评价精度。

关键词：测井气藏描述阵列感应核磁共振电阻率成像

Fluid inclusion and isotopic constraints for fluid evolution in the Ordovician veins in Central tarim,NW China

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Fluid inclusion and isotopic constraints for fluid evolution...

Quantitative studies of hydrocarbon loss of the Silurian bitumen sandstone in the tarim Basin

中国科学院地质与地球物理研究所2007学术年会

作者： C.Cai,K.Li & H.Li Key Lab of Mineral Resources,Institute of Geology and Geophysics,Chinese Academy of Sciences, Beijing,P.R.China G.Wu tarim oilfield company,PetroChina,{3.,xinjiang,P.R.China

Barite,anhydrite,fluorite,calcitc and quartz arc found filling factures in Central *** brines haveδO values from -1.5 to +1.4‰,and Sr/Sr from 0.71026 to *** barite veins show an averageδO value of 12.0‰and precipitated at～142℃from a solution with aδO of～1.80‰and a Sr/Sr of～***,the solution was cooled by mixing with meteoric water,resulting in aδO of -1.60‰.Anhydrite and fluorite veins have lower homogenization temperatures and show much higher Sr/Sr ratios(0.70912 to 0.7103.) than barite and bulk limestone,but are closer in composition to modern brines,suggesting more radiogenic Sr contribution from clastic rocks in the west to the Central tarim during *** veins were precipitated under a wide temperature range and show variable Sr/Sr ratios. Quartz veins were likely not in oxygen isotopic equilibrium with the mineralizing fluid.

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Science China Earth Sciences 2008年第S2期51卷 101-107页

作者： JIANG ZhenXue1,2,PANG XiongQi1,2,LIU LuoFu1,2,WANG XianDong3.ZHANG Jun4 & LI HongYi1,2 1 Basin and Reservoir Research Center,China University of Petroleum,Beijing 102249,China 2 State Key Laboratory of Petroleum Resource and Prospecting,China University of Petroleum,Beijing 102249,China 3.Research Institute of Exploration and Development,Daqing oilfield company Ltd,Daqing 163.12,China 4 Petroleum Exploration and Production Institute of SINOPEC,Beijing 100083.China China Univ Petr Basin & Reservoir Res Ctr Beijing 102249 Peoples R China China Univ Petr State Key Lab Petr Resource & Prospecting Beijing 102249 Peoples R China Daqing oilfield Co Ltd Res Inst Explorat & Dev Daqing 163712 Peoples R China SINOPEC Petr Explorat & Prod Inst Beijing 100083 Peoples R China

The evolution of tarim Basin experienced several tectonic movements,of which Caledonian movement caused a serious damage to reservoirs of Silurian. The earlier reservoirs size and the later hydrocarbon loss are two key factors to exploration prospect of Silurian. On the basis of net thickness of bituminous sandstone and recovery coefficient of crude oil converting to bitumen,the scale of the hydrocarbon loss of palaeo-accumulation in bitumen sandstone of Silurian was calculated (86.3.×108t). The deter-mination of net thickness of bitumen sandstone was completed mainly by several methods,such as physical property demarcation,observing lithology,grains with oil inclusion (GOI) technology,and quantitative grains fluorescence (QGF) technology. The samples of black sandstone and white sand-stone were collected and compared by means of the methods mentioned above. The results showed that there was little hydrocarbon,or none,in the white sandstone. The recovery coefficient was ob-tained by the analyses of plentiful physical parameters of crude oil and bitumen sandstone,based on the hypothesis that nonhydrocarbon compounds and bitumen were invariable in the process of bitu-men forming. The calculated result,which is more scientific and actual,indicates the exploration pros-pect is more promising in Silurian of the tarim Basin.

关键词： tarim Basin Silurian bitumen sandstone hydrocarbon loss quantitative research recovery coefficient