油藏监测和增产新技术.ppt

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1、New technologies for reservoir monitoring and production increasing 油藏监测和增产新技术,Consulting service(DCS),Schlumberger斯伦贝谢 咨询服务,2,Consulting Services Focus咨询服务重点,In-time operations support,leveraging superior Schlumberger measurementsActionable business solutions through expert integration and interpre

2、tation of exploration and production dataOptimal development strategies for life of field,Reduce Reservoir Risk and Uncertainty,3,4,Data and Consulting Services,Subsurface expertise 2000+Petroleum&Geosciences Experts in DCS worldwidelocal knowledgeall relevant domainsIndustrys largest petroleum engi

3、neering and geosciences consulting organizationOver 700+studies in 85 countriesKnowledge to select segment technology,Other 10%,Technicians 9%,Reservoir/Production 29%,Geophysicists 15%,Geologists 14%,Petrophysicists 23%,5,INTEGRATED PROJECTS,6,ADD WORLD MAPAndDCS Consulting offices here.,CS PROJECT

4、 EXPERIENCE,EOR Project,Integrated Project,7,Technology Hub,Abu DhabiReservoir EngineeringGeomechanicsGeophysicsRT HubDrilling EngineeringCompletions EngineeringMultilateralsWell PlacementWater Management,*,*,Carbonate Reservoir Research,Dhahran,MEA Technology Support Resources中东亚太区技术支持资源,*,Mumbay s

5、ub basalt RC,8,FMI results.Well.,Fracture Density,Fracture aperture,Matrix porosity,Fracture porosity,Fracture parameters definition using FMI interpretation 通过FMI确定裂缝参数,9,岩石物理现今最大主应力方向,DSI快横波方位角,钻井诱导缝走向,10,裂缝置信度剖面图,NW,SE,高,低,Fractures Distribution Integrated Study on Ordovician Reservoir in TaZhong

6、,11,Tg5-1,TopInt.2,TopInt.3,TZ 82,Interval 2,Interval 3,82,82,SeismicInterpretation地震解释,Petrophysical Analysis常规测井数据/对比/测井分析,Multiple Attribute Analysis SeisClass多属性分析-SeisClass,Core,FMI,Workflow研究流程Integrated Study on Ordovician Reservoir in TaZhong,12,Net Pay Distribution Integrated Study on Ordov

7、ician Reservoir in TaZhong,13,Seismic inversion 地震反演技术,Fig.1 Initial seismic interpretation with low resolution.Acoustic impedance“smooth near the faults.Fig.2 clear fault and acoustic impedance interpretation after applying seismic inversion,1.,2.,14,Correlation between seismic attributes and well

8、log interpretation井眼控制下的地震属性研究,Well 6,Well 6a,Well 4.,Well 3.,Well 2.,Well 1,acoustic impedance,Porosity model,frequency,Litology modeling,15,3D fracture modeling三维裂缝模型,Well interference analysis Included,Based on our recommendation well 1 was drilling the client meet expectation,16,Water is the No.

9、1 problem for Mature Fields产水是油田开采后期的最大难题,HistoricallyAverage worldwide water cut of 75%Industry Opex cost is$0.50/bbl($40 B total)Fragmented approach to water handling,17,Well Diagnosis油井诊断,log WOR vs log time,Choke-back analysis,CHFR,OH-Pressures,CH-PLT,18,Problem Types 水问题类型,1/2,Tubing packer lea

10、k 封隔失效,Flow behind casing 窜层,Oil Water Contact moving up油水界面上移,-High permeability layer without crossflow 高渗层,Fissures between injector and producer天然裂缝高导流,Fissures/fractures from a water layer裂缝贯通水层,Gravity segregated layer 重力分异,Coning 底水锥进,Poor areal sweep 低扫油效率,High permeability layer with crossf

11、low 高渗层窜流,19,Reservoir Diagnostics油藏诊断,Understanding of water production mechanism at reservoir level 产水机理Understanding of pressure support 地层压力变化Water production analysis 产水分析Important:make sure breakthrough threshold makes sense 临界条件的把握,20,Water-oil ratio change after waterflood front break-throug

12、h 水突破后的水油比变化,Year 1997,Year 2003,Year 1987,Year 1992,Example C-K field,21,Remaining Reserves 2D distribution(from DCA),Water break-through map,Wells-candidate for testing,Production Engineering Analysis 生产动态分析,Example C-K field,22,Base CaseForecast on 2013,Optimization Scenario Forecast on 2013,Oil

13、production,WCUT,Recommendation for Waterflood optimization 注水优化,Example C-K field,23,Horizontal wells number(include horizontal sidetrack)10%from total foundAnnual Oil Production from horizontal wells 40%from Cum Field Production,Monthly Oil production was doubled from 2002 to 2003,Project start 11/

14、2000,1970 1980 1990 2000 2003,Cumulative Oil Production History,Field Development Optimization Example from North Siberia(DCS,Schlumberger)油田开发优化北西伯利亚（斯伦贝谢DCS）,24,Where Water Management was Implemented斯伦贝谢实施水管理项目的其他记录,Shell North Sea/Brent AGIP Nigeria/Port Harcourt Norsk Hydro Norway/Snorre Lasmo Venezuela/Dacion O/S South America,Water Control Producer wells Water Control Producer wells WC Producer Wells/Injector Opt.Field review Field approach,Asset,Solution Scope,25,Questions?,