长城钻探定向井服务能力.ppt

GREATWALL DRILLING COMPANY22 August 2024INTRODUCTION ON DIRECTIONAL WELL TECHNOLOGYØService CapabilityØExperienceØPerformance In IranContentService Capability1. LWD2. MWD3. Gyro 4. Single/Multi Shot 5. Downhole Motors 6. NMDC7. HWDP8. Stabilizers (Magnetic and Nonmagnetic) 9. Drilling Jars and Section Mills10. Maintenance and Calibration EquipmentEQUIPMENTEquipment InventorySpecificationMakerQuantityMWD　　　　87MWDФ6 3/4"GEOLINK1MWDYST-48RHAILAN73MWDB型MWDPULIMEN8MWDGMWD-48型JDWY5LWD　　　　6LWDMWD-MPR 6 3/4″BAKER HUGHES1LWDMPR-LWD 6 3/4″BAKER HUGHES1LWDTRIM-LWD 6 3/4″GEOLINK1LWDTRIM-LWD8″GEOLINK1CGDS-1CDGS-1 6 3/4″BPMC1Service CapabilityEquipment InventoryQuantityMWD104LWD16CGDS-11Max temperature:150°CMax pressure:20,000 psiTransmission frequency:2MHz+400KHzMeasuring accuracy:±0.5Ω·mMeasuring range:0-2000 Ω·mDetecting radius:2.5mVertical resolution:30cmData curve:32 original Resistivity curves & 8 compensation data curvesLWD Technical ParameterService CapabilityService CapabilityComparison of LWD & Logging CurveLWDManufactureQuantitySpecificationFEWDHalliburton24 ¾″, 6 ¾″NavigatorMPRBaker Hughes2CENTERFIREGE54 ¾″, 6 ¾″ 8″CPRGE16 ¾″TRIMGE26 ¾″, 8″WPRAPS26 ¾″BWRGWDC24 ¾″, 6 ¾″Total16MWD Technical ParameterDescriptionRangeResolutionAccuracyInclination0-180°0.1°±0.2°Azimuth0-360°0.35°±1.0°Magnetic Toolface0-360°1.4°±1.5°Gravity Toolface0-360°1.4°±1.5°Service CapabilityEquipment InventoryQuantityMWD104LWD16CGDS-11MWDHL MWD 90 setsAPS MWD 4 setsPLM MWD 8 setsGE MWD 2 setsØService CapabilityØExperienceØPerformance In IranContentIn China, 44 services crew are working for CNPC;Iran, 4 crews; Sudan, 2 crews;  Kazakhstan 5 crews;  Colombia 3 crews; Thailand, Niger,  Cuba  and  Uzbekistan  each  1,  total  18  crews  servicing  for  Oil  Company Oversea.ExperienceExperience•In China, GWDC has drilled 1,039 Horizontal Wells, more than 5,000 Directional Wells which includes more than 3,000 cluster wells.•Globally,  in  past  three  years,  GWDC  has  finished  146  horizontal  wells  in Kazakhstan, Sudan, Thailand, Cuba, Colombia, Uzbekistan and other regions.With the capacity of annual operation 300 horizontal wells, and domestic and international operation experience.ExperienceØService CapabilityØExperienceØPerformance In IranContentPerformance In Iran1. Basic Introduction1)North Azadegan oilfield has finished 6 horizontal wells, include one 3-D horizontal well and one multi-later well, and other 4 horizontal wells are under operation.2)2)  Drilled  well:  rate  of  oil  drilling  100%,  oil  and  gas  shows good.3)Team Configuration No.ItemQuantityComments   1 Personnel18At  least  two  years  work  experience globally,  can  satisfy  4  wells  operation  at the same time.   2MWDHL MWD 4 setsCan  satisfy  6-7  wells  operation  at  the same time   3LWDGE 4 ¾” unitsCan  measure  Gamma  and  Resistivity data,  satisfy  4  wells  operations  at  the same time2. Operation ChallengesPerformance In IranGeological challenges:1.Few drilling data in this block;2.Big change in lithology;3.Exist High Pressure salt formation above 1800m;4.Leakage  zone  in  horizontal  section,  the  safety  window  of  mud density is very narrow;5.High H2S in the reservoir.Engineering challenges:1.3-D horizontal well, difficult  to control the trajectory;2.Horizontal section is over 1,000m, easy to produce annular hold block, and cause Well leakage;3.High friction and torque, backing WOB and sand transport is big challenges for horizontal section.3. Main Technology Application in North Azadegan OilfieldPerformance In Iran•Trajectory optimization design•Sidetrack technology•Well trajectory control technology•Friction torque analysis and control technology•Bit & motor optimization technology•Anti-touch scanning technology for platform wells •BHA optimization package &  Safety drilling technology4. Geology-Oriented TechnologyPerformance In IranBuild-up section by MWD+GAMMA and horizontal section with LWD (include MWD, GAMMA and Resistivity)•Build-up section:  to  adjust  the trajectory through MWD and motor, to distinguish the formation  through  GAMMA  data and logging data; combined with MWD  survey  data  and  GAMMA data,  client  can  calibrate  the TVD.•Horizontal section:  through  the resistivity  and  GAMMA  real-time data  tracking  reservoir,  through the  survey  data  to  adjust  the track to ensure oil drilling rate of 100%, increase drilling efficiency and well production.Gamma rayResistivityAZNN-004 LWD Logging CurveSoftware platformPROCESSORGAMMA RESISTIVITYMWD4. Geology-Oriented TechnologyGE-LWD SystemMainly consists of Two parts: Downhole and Surface Equipment:•Downhole  equipment  mainly  includes  Gamma  Instrument,  Resistivity Logging instrument and Survey Instrument;•Surface  equipment  mainly  includes  System  Software  Platform  and Surface Processor. AZNN-004 LWD Comparison with Wireline Logging Curve1.Resistivity data and Well logs match very consistently2.Gamma data and Well logs are basically the same.GE-LWD Logging CurveWireline Logging CurveOur LWD can meet the needs of the Geological, Reservoir and Effective Drilling and trajectory.NoWellMDKick-off PointDirectional SectionPeriod ROPSlide FootageSlide RatioInstrumentLWD1AZNN-004400022507252403.02366.250.50%HL MWD Gamma2AZNN-00740502300641187.7 3.42267.441.70%HL MWD Gamma3AZNN-00840202300630265.7 2.37240.138.10%HL MWD Gamma4AZNN-00939832300611244.52.5342.356.00%HL MWD Gamma5AZNN-010412822918132383.41300.837%HL MWD Gamma6AZNN-011398123206112082.9428546.60%HL MWD Gamma　　4027 2294 672 231 2.94 300.344.98%　　The average MD is 4,027, Kick-off point is at about 2294m.In Directional section, ROP averages at 2.94. Slide Drilling ratio is 45%.NoWellMDKick-off PointHorizontal SectionPeriod ROPSlide FootageSlide RatioInstrumentLWD1AZNN-004400022501025275.7 3.7228.82.80%GE LWDGamma/Resistivity2AZNN-007405023001109490.2 2.24117.610.70%GE LWD3AZNN-008402023001086541.2 2.01165.615.30%GE LWD4AZNN-009398323001068294.24 3.63102.69.60%GE LWD5AZNN-0104128229110202633.8779.87.80%GE LWD6AZNN-011398123201050296.37 3.5463.376.03%GE LWD　　4027 2294 1060 360 3.17 93 8.71%　　The average MD is 4,027, Kick-off point is at about 2294m.In Horizontal Section, ROP averages at 3.17. Slide Drilling ratio is 8.71%.GWDC attaches great importance for Iran Marketing. According to the required number of teams, GWDC will promptly organize the suitable operation teams.Direction equipment and tools reserves for Iran:l1) GE-LWD:2 setsl2) GW-BWR:5-10 sets l3) EMWD:1  setsl4) MWD:8-10 setsl5) Directional tools:meet the continued operation of the projectPOTENTIAL SERVICE CAPACITY。