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Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,ManagedPressureDrilling(MPD),TechnologyOverview,控压钻井技术,GeoBalanceTMMANAGEDPRESSUREDRILLINGSYSTEM,Feb112009,ManagedPressureDrilling(MPD)Ge,Presentation Outline,MPD Introduction,控压钻井技术介绍,Job Design,控压作业,MPD Equipment,控压钻井,工具,Communication,控压钻井,团队,Rig Site Procedures,控压钻井,操作程序,Case histories,控压钻井,实例,Presentation OutlineMPD Introd,Importance of HSE,If it cant be done safely.It wont be done,Importance of HSEIf it cant b,Global Well Operator Issues,Highly deviated well conditions,Bore hole stability problems,Well control while drilling,Narrow drilling margins,Depleted Reservoirs,Risk of sticking,expensive fishing jobs and side tracks,Shallow flow water sands,Introduction to MPD Technology,控压钻井技术介绍,Global Well Operator Issues Hi,Advantages of MPD,控压钻井技术应用,效应,Improved ROP and reduced drilling time,改善钻速和减少钻井时间,Improved success with drilling narrow pressure margins,钻井狭窄压力窗口,Reduced wellbore breathing,influxes and lost circulation,减少的井筒呼吸,,成功,应付,井侵,和,失返,Improve reservoir productivity by decreasing amount of over balanced,保护,油气,层不受破坏,Improved wellbore quality by minimising wellbore collapse,减少,井,口崩溃,Advantages of MPD 控压钻井技术应用效应Im,“Adaptive drilling process used to precisely control the annular pressure profile throughout the wellbore.The objectives are to ascertain the downhole pressure environment limits and to manage the annular hydraulic pressure profile accordingly”.(IADC),Managed Pressure Drilling Definition,“Adaptive drilling process use,Managed Pressure Drilling Operations,Controlling pressure in the annulus,控制,井口压力,Not a new concept,Technique has been used for decades,When used while drilling with conventionally with standard equipment,Well control event,井控情况下,Control BHP by applying back-pressure at surface,通过地面加回压控制井底压力,Closed-loop(BOP is closed),闭环(防喷器关闭,),Circulation is through a choke,通过节流阀循环,Managed Pressure Drilling Oper,General Comparison of drilling methods,钻井方法对比,General Comparison of drilling,Passive MPD,(hydrostatic mud weight always above pore pressure),被动控压钻井(泥浆静液柱压力总是高于地层压力),MPD used as a safety system,控压钻井作为一种安全体系,Rotating Control Device(RCD),旋转控制设备,Manual Choke(Rig Choke for US land wells),手动节流设备(用于美国陆上井的节流设备),Active MPD,(hydrostatic mud weight slightly above or sometimes below pore pressure),主动控压,(泥浆静液柱稍高于或有时低于地层压力),MPD being used to walk the line,使用,MPD“,压线走”,E.g.narrow pore pressure to frac pressure window,如地层压力和破裂压力之间的窗口很窄,RCD with change out system like additional BOPs,增加旋转控制设备,Manual choke with continuous control or automated choke system,手动节流,连续控制或自动节流系统,Back pressure pump system for constant BHP,回压补偿泵,保持井底压力不变,MPD Operations,控压作业,Passive MPD(hydrostatic mud w,Mud-cap drilling,(with under or overbalanced fluid),泥浆帽钻井(欠或过平衡),Usually use for fractured limestones or granites,通常用于裂缝性灰岩或花岗岩,Drilling with lost returns,失返钻进,May have partial level in annulus,环空有部分液面,MPD Operations,控压作业,MPD Operations 控压作业,控压钻井设备哈里伯顿课件,RCD,PLC Controlled,DRILLING,CHOKE,MANIFOLD,DRILL CUTTINGS,PROCESSING,MUD to PITS,Mud Pits,PUMP,ECD equal to or slightly greater than pore pressure,Managed Pressure Drilling Basic Overview,RCDPLC Controlled DRILL CUTTI,Hydraulics Modelling Circulating at TD,水力参数模拟,套管鞋处循环模拟,Hydraulics Modelling Circula,MPD Equipment Major Components,RCD,旋转控制头,Autochoke,Control Panel and PLC,自动节流管汇,程序逻辑控制器系统,BPP(Back-Pressure Pump),回压泵,Data Acquisition and Control System,数据采集系统,Drillstring Floats and Subs(NRVs),钻柱止回阀,PWD,随钻测压,MPD Equipment Major Componen,旋转控制头,The RCD 5000,旋转控制头 The RCD 5000,What are RCDs,Rotating Control Devices are annular pressure control tools designed for stripping tubulars in drilling applications.,RCDs complement the Rigs BOP stack.,RCDs do not replace BOP elements!,What are RCDsRotating Control,When Should an RCD be Used?,The following applications are ideal for RCD use:,Managed Pressure Drilling,Underbalanced Applications,Kick Control,Severe Loss Circulation(Loss/Kick Cycle),High Pressure Wells,Exploration Wells,When Should an RCD be Used?The,Level 4 Autochoke Skid,自动节流管汇,Level 4 Autochoke Skid自动节流管汇,Autochoke Control Display,Autochoke Control Display,Back Pressure Pump,回压泵,Back Pressure Pump 回压泵,PWD,Downhole Equipment for MPD,止回阀,NRV Float Subs;Non-Ported Floats;Bleed-off tool,PWDDownhole Equipment for MPD,MPD Kick Detection and Control,Easy to detect small influx,更容易检测小的井侵,Increase back-pressure immediately and STOP influx,能够立即增加回压,阻止井侵,Continuous data from PWD,能够通过,PWD,获得连续的井内数据,Able to accurately determine minimum BHP required,能够精确确定所需的最小井底压力,.,Can continue drilling or circulate while preparing heavier mud,准备重泥浆时,能够继续钻进或循环,MPD Kick Detection and Control,MPD Loss Detection and Control,Easy to detect small loss,更容易检测到微小漏失,Decrease back-pressure instantly and STOP losses,能够立即减少回压,停止漏失,Continuous data from PWD,能够从,PWD,中获得连续的井内数据,.,Able to accurately determine maximum BHP possible,能够精确确定最大可能的井底压力,Can continue drilling or circulate while preparing lighter mud,or L
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