优快钻井泥浆技术（英）

null Drilling Fluids Services,Uniservices Drilling Fluids Services Technology for Optimized & Quickened TM Drill Drilling Fluids Services,Uniservices Copyright ® 2002Successful Run in Bohai BaySuccessful Run in Bohai BayQK17-2 oil field JZ9-3 oil field Sz36-1 oil field Qhd32-6 oil field Initial implement, including 4 ERD wellsBreakthrough in technology, including gas wellsSuccessful experience and well-developed technologyMore perfect drilling fluids technologynullProblems in Applying O & QTM TechnologyHigh ROP, high-concentration cuttings Big platform, big distance, high angle, higher torque How to protect the pay zone and environment low pressure and high permeability STPT makes the mud maintenance more complicated nullGreat Achievements The average drilling duration is less than 4 days The out trip time is about 3 hours Trip without backreaming or surge,small drag and torque No sticking point, no mud lost, no bit balling The hole is stable and on gauge (good hole quality) E-logging is successful in one run. Shale inhibition Minimize formation damage Comply with environmental regulation Cost effective null24”CSG*90m13 3/8”CSG*250m7 ”or 9 5/8”CSG * VD 1600mQp400m clay and sandNm 950 m shale and sand stone interbed Ng 1155m mud-make shale and sand stone interbed；sand stoneEd VD1600m shale, sand stoneWell bodynullOperation ProgramDrill with circulation directional drillConvert mudmaintenanceAdd STPT materialsLast condition,trip outConductorDrill BlindnullRig-site technology measuresLubricating CapacitynullBitsize 9.875’’A certain drilled well Rig-site technology measuresnullWhy STPT Used (Shielding Temporary Plugging Technology)Precondition: positive pressure difference drilling does exist!!! Cement slurry filtrateStatic filtrate loss Dynamic filtrate lossnullThe ideal bridging modelSTPT (shielding temporary plugging technology)nullThree kinds of particles Bridging particle(blue) match with pore size rigidity acid soluble high purity Pore Throat TunnelSTPT (shielding temporary plugging technology)nullThree types of particles Plugging particle(green) smaller than bridging particle and multi-range match rigidity acid soluble high purityPore Throat TunnelSTPT (shielding temporary plugging technology)nullThree types of particles Soft particle(red) smaller than plugging particle and multi-range match soften under reservoir temperature oil soluble high purity Pore Throat TunnelSTPT (shielding temporary plugging technology)null Mud baseMud quarterCenter labMud projectMud labmaterialsMud engineer Mud engineerMud engineerQuality Control & Technology Support SystemleadershipreportnullSafety & Emergency SystemSafety trainingSafety guidelineMud baseSafety operation programAccident Mud engineerMud engineerEmergency centernullSome mud systems PEM mud PRD for ERD wells in south china sea OBM experience in south china seanullConsultation and Cooperation As a petroleum services Co. who failed to become the mud contractor in PL19-3 Phase One development, we can still supply the technology consultation and operation experience if you need when you are in trouble during the development course. We sincerely hope that we can become the selected contractor in the next round of competition.Thank youThank you so much Drilling Fluids Services , UniservicessCopyright ® 2002