文档介绍：Pressure Transient Analysis Report Table ofContents introduction summary ofresults input data conclusions Perforation interval Horizon conduct/perform/carry out choke size /mode GOR/gas oil ratio Oil Gravity Gauge Depth Mobility thickness (production), kh/ ?? formation test production test oil degassing inthe formation Rectangle boundaries effect was registered onpressure build -upcurve borehole/wellbore subsurface/sandface/bottomhole middle point ofperforated interval The skin ispositive which indicates damage (negative) Initial Solution GOR Units/value/quantity simulation model assuming anet pay of7meters Pre -flow Shut -inBottom -hole pressure Last flowing bottom -hole pressure/final Shut -inPeriod Last Recorded Reservoir Pressure phase segregation gas accumulation and expansion static gradient surveys dual porosity model appears toyield the best fit low matrix permeabilty accelerate the depletion rate The well was flow tested separator Calculated Permeability flow perforamance bubble point pressure Flow Efficiency Near wellbore effects:Wellbore Storage and Skin (Cand S) confirm/refute/assume/bined perforation and testing techniques. Fundamental pressure transient analysis retarded inertia and viscosity diffusivity equation model awell test rectangular orpolygonal inshape, infinite reservoir superposition slope ofthe portion ofthe curve calculating permeability. observed pressure measurements semilog graph Radial flow infinite -acting radial model. p=formation pressure r=radial distance tothe center ofthe wellbore diffusivity constant porosity, pressibility, Outer -boundary condition qs=sandface flow rate kh=permeability -thickness product (flow capacity) rw=wellbore radius. dimensionless radial distance rD=1. distorted bywellbore storage and skin effects, affected interference from other wells boundary effects, pressure disturbance reservoir edges. overlap mask analysis with astraight -line fit putations Skin effects are caused bythree main factors: flow converg