.... Completion Installation and Operations drillstem/well testing off-plane perforation hydraulic fracturing FracPack acid treatment Drillstem Testing case history 1 transmissibility drilling mud reservoir near-wellbore damage wellbore radius reservoir transmissibility Upstream Oil & Gas...

... conduction temperature data heat transfer coefficient temperature behavior injection rate wellbore thermal model geothermal temperature injection reaction temperature profile wellbore radius shut-in period Introduction In carbonate formations, matrix acidizing is commonly applied...

... flow rate wellbore length dimensionless fracture conductivity wellbore radius effective permeability horizontal well reservoir decline curve analysis pressure transient testing drillstem/well testing imaging function decline curve fractured well pressure transient analysis vertical...

... ( k V / k H ) 1 / 3 (8) R D = R r w and (9) t D = η t r w 2 = k t ϕ μ c t r w 2 are based on the wellbore radius r w as reference length, and the dimensionless pressure (10) p D = 2 π...

... wellbore radius. The resulting pseudosteady solution is presented in the form of the dimensionless productivity index ( J D ). Some of the major advantages of this pseudosteady solution for finite-conductivity vertical fractures are 1) the methodology is based on fundamental principles, 2) the solution...

... w H ′ 1 sin ⁡ ( π z w / h ) ] + B w } , where r ′ wH (equivalent horizontal wellbore-radius) and B w are defined in Table 2 . Note that the leading multiplier in Eq. 9 , ( h / L h )( k x / k z ) 1/2 , suggests that thin formations (small...

... radius fracturing materials society of petroleum engineers fracture treatment petroleum engineer hibbeler drilling fluids and materials wellbore radius simplifying hydraulic fracturing drilling fluid management & disposal society To Frac or Not to Frac – That Is the Question...

... probability well control press well artificial intelligence wellbore radius historical data natural log intensity procedure permeability spe 84174 stochastic approach assessment tolerance equation outlier determination annular pressure drilling data quality sequence influx distribution...

... drainage radius overburden stress spe 77535 vertical overburden stress reservoir rock upstream oil & gas equation drawdown pressure modeling & simulation flow in porous media wellbore radius productivity change fluid dynamics rock type iii productivity loss permeability reduction...

... analytical solution well pressure equation wellbore frequency productivity index reservoir pressure distribution artificial lift system upstream oil & gas stability analysis reservoir pressure variation variation wellbore radius spe 63307 oscillation dynamic inflow performance dynamic...

... fracturing materials upstream oil & gas permeability formation conductivity proppant concentration effective wellbore radius wellbore radius efficiency fracture length optimum fracture fetkovich proppant schedule fracture hydraulic fracturing proppant fracture conductivity morale norman...

... rate reservoir performance history production monitoring production rate reservoir wellbore radius drillstem testing reservoir surveillance spe 030793 dimensionless rate bhfp compressibility field data pseudopressure resource in place estimate rcdtc equation viscosity decline-curve...

... horizontal well spe 28389 united states government interference wellbore radius spe 28389 europe government equation graph Introduction The productivity of horizontal wells can in many cases be improved by hydraulic fracturing, e.g., by improving vertical communication or areal "sweep...

... calculate upstream oil & gas hydraulic fracturing spe 28631 layered reservoir drainage area simplified method wellbore radius united states government fracture half-length pwv tad Introduction The pressure response of multilayer reservoirs has been a subject of interest in petroleum...

... data if a finite wellbore radius is used. Generalizations to multiple flow entries is straightforward by simple numerical schemes based on the basic solution for wells with single flow entry. Wells with multiple flow entries with individual skin values assigned to intervals can be handled, both...

... the field data and demonstrates their utility. rectangular area drainage area thickness fluid dynamics drilling operation cumulative production spe 19808 reservoir transient analysis devonian shale directional drilling wellbore radius production response drillstem testing rectangular...

... two flow periods only: bilinear flow and pseudo-radial flow. It is demonstrated that for these fracture conductivities the effective wellbore radius is given by r w ′ = 0.28 ( k f b f /k ) ; that means that there is a maximum value of the effective wellbore radius achieved...

... fracture geometry recovery line drive wellbore radius grid displacement drillstem/well testing unit mobility displacement fluid dynamics reservoir simulation simulation fractured well drillstem testing geologist steam-assisted gravity drainage grid block drilling operation sagd...

... property cumulative production type curve correlation fluid dynamics production monitoring conductivity fracture wellbore radius non-darcy flow spe 16934 flow in porous media conductivity example coefficient fracture reservoir surveillance le lf dimensionless fracture conductivity...

.... The line-source assumption used in developing the analytic solution is validated via comparison of results with another model also developed in this work. This latter model assumes identical rock properties for the two permeable zones but allows the wellbore radius to be finite. The numerical Laplace...