1、New technologies for reservoir monitoring and production increasing 油藏監(jiān)測和增產(chǎn)新技術(shù)油藏監(jiān)測和增產(chǎn)新技術(shù)Consulting service (DCS), Schlumberger斯倫貝謝 咨詢服務(wù)2Consulting Services Focus咨詢服務(wù)重點In-time operations support, leveraging superior Schlumberger measurementsActionable business solutions through expert integration and

2、 interpretation of exploration and production dataOptimal development strategies for life of fieldReduce Reservoir Risk and Uncertainty34Data and Consulting ServicesSubsurface expertise 2000+ Petroleum & Geosciences Experts in DCS worldwidelocal knowledgeall relevant domainsIndustrys largest pet

3、roleum engineering and geosciences consulting organizationOver 700+ studies in 85 countriesKnowledge to select segment technologyOther 10%Technicians 9%Reservoir/Production 29%Geophysicists 15%Geologists 14%Petrophysicists 23%5INTEGRATED PROJECTS6ADD WORLD MAPAndDCS Consulting offices here.CS PROJEC

4、T EXPERIENCECS PROJECT EXPERIENCE EOR ProjectIntegrated Project7Geoscience Centre, Beijing*SKK, Fuchinobe*Technology Hub, Kuala LumpurReservoir EngineeringDrilling EngineeringCompletion EngineeringGeomechanicsWell PlacementPerforatingSand Management*Technology Hub, Abu DhabiReservoir EngineeringGeom

5、echanicsGeophysicsRT HubDrilling EngineeringCompletions EngineeringMultilateralsWell PlacementWater Management*Carbonate Reservoir Research, DhahranMEA Technology Support Resources中東亞太區(qū)技術(shù)支持資源*Mumbay sub basalt RC8 . Fracture DensityFracture aperture Matrix porosityFracture porosity Fracture paramete

6、rs definition using FMI interpretation 通過通過FMI確定裂縫參數(shù)確定裂縫參數(shù) 9巖石物理巖石物理現(xiàn)今最大主應(yīng)力方向現(xiàn)今最大主應(yīng)力方向DSI快橫波方位角鉆井誘導(dǎo)縫走向10裂縫置信度剖面圖裂縫置信度剖面圖NWSE高低Fractures Distribution Integrated Study on Ordovician Reservoir in TaZhong11Tg5-1TopInt. 2TopInt. 3TZ 82Interval 2Interval 38282SeismicInterpretation地震解釋Petrophysical Analysi

7、s常規(guī)測井?dāng)?shù)據(jù)常規(guī)測井?dāng)?shù)據(jù)/對比對比/測井分析測井分析Multiple Attribute Analysis SeisClass多屬性分析多屬性分析- SeisClassCoreFMIWorkflow研究流程Integrated Study on Ordovician Reservoir in TaZhong12Net Pay Distribution Integrated Study on Ordovician Reservoir in TaZhong13Seismic inversion 地震反演技術(shù)Fig.1 Initial seismic interpretation with low

8、 resolution. Acoustic impedance “smooth near the faults. Fig.2 clear fault and acoustic impedance interpretation after applying seismic inversion 1.2.14Correlation between seismic attributes and well log interpretation井眼控制下的地震屬性研究Well 6Well 6aWell 4.Well 3.Well 2.Well 1acoustic impedancePorosity mod

9、elfrequency Litology modeling153D fracture modeling三維裂縫模型Well3 - dryWell 2 Well 1 - BestWell interference analysis IncludedBased on our recommendation well 1 was drilling the client meet expectation16Water is the No.1 problem for Mature Fields產(chǎn)水是油田開采后期的最大難題產(chǎn)水是油田開采后期的最大難題Oil77 MBPDWater220 MBPDHistor

10、ically Average worldwide water cut of 75% Industry Opex cost is $0.50/bbl ($40 B total) Fragmented approach to water handling17Well Diagnosis油井診斷l(xiāng)og WOR vs log timeChoke-back analysisCHFROH-PressuresCH-PLT18Problem Types 水問題類型SimpleComplex341256879101/2Tubing packer leak 封隔失效封隔失效Flow behind casing 竄

11、層竄層 Oil Water Contact moving up油水油水界面上移界面上移 -High permeability layer without crossflow 高滲層高滲層Fissures between injector and producer天然裂縫天然裂縫高導(dǎo)流高導(dǎo)流 Fissures/fractures from a water layer裂縫貫通水裂縫貫通水層層 Gravity segregated layer 重力分異重力分異Coning 底水錐進底水錐進 Poor areal sweep 低掃油效低掃油效率率High permeability layer with

12、 crossflow 高滲層竄流高滲層竄流19Reservoir Diagnostics油藏診斷 Understanding of water production mechanism at reservoir level 產(chǎn)水機理 Understanding of pressure support 地層壓力變化 Water production analysis 產(chǎn)水分析 Important: make sure breakthrough threshold makes sense 臨界條件的把握20Water-oil ratio change after waterflood front

13、break-through 水突破后的水油比變化水突破后的水油比變化Year 1997Year 2003Year 1987Year 1992 Example C-K field21earlierearlierRemaining Reserves 2D distribution (from DCA)Water break-through mapWells-candidate for testingProduction Engineering Analysis 生產(chǎn)動態(tài)分析生產(chǎn)動態(tài)分析Example C-K field22Base CaseForecast on 2013Optimization

14、Scenario Forecast on 2013Oil production WCUTRecommendation for Waterflood optimization 注水優(yōu)注水優(yōu)化化Example C-K field23Horizontal wells number (include horizontal sidetrack) 10 % from total foundAnnual Oil Production from horizontal wells 40% from Cum Field ProductionMonthly Oil production was doubled from 2002 to 2003 Project start 11/2000 1970 1980 1990 2000 2003Cumulative Oil Production HistoryField Development Optimization Example from North Siberia (DCS, Schlumberger)油田開發(fā)優(yōu)化北西伯利亞（斯倫貝謝油田開發(fā)優(yōu)化北西伯利亞（斯倫貝謝DCS）24Where Water Management was Implemented斯倫貝謝實施水管理項目的其他記錄 Shell North Sea/Brent AGIP N