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115 items
Acid penetration distance (acidizing)
Additional pressure drop in the skin zone
Additive crystalline salt amount to increase the density - Method I (single-salt systems)
Additive crystalline salt amount to increase the density - Method II (single-salt systems)
Additive crystalline salt and water amount to increase the density - Method I (two-salt systems)
Annulus pressure loss due to friction during hydraulic fracturing (laminar flow)
Annulus pressure loss due to friction during hydraulic fracturing (turbulence flow)
Approximate ideal counterbalanced load
Average downstroke load (sucker-rod pump)
Average fracture width (acidizing)
Average permeability of a hydraulically fractured formation
Average specific weight of the formation (hydraulic fracturing)
Average upstroke load (sucker-rod pump)
Average wellbore fluid density (completion and workover fluids)
Capacity ratio of a hydraulically fractured surface
Choke discharge coefficient
Close-ended displacement volume of pipe
Convective mass transfer for laminar flow (acidizing)
Convective mass transfer for turbulent flow (acidizing)
Correct counterbalance (sucker-rod pump)
Corresponding reciprocal rate (post-fracture production-Constant Bottomhole flowing conditions)
Damaged/undamaged zone productivity comparison (acidizing)
Density of brine (completion and workover fluids)
Dimensionless fracture width for linear vertical fracture (Geertsma & Klerk)
Downhole operating pressure (hydraulic fracturing)
Entrance hole size (perforation)
Equivalent skin factor in fractured wells
Filter cake on the fracture (acidizing)
Flow coefficient during drawdown
Flow rate through orifice
Flow through fracture in response to pressure gradient
Formation fluid compressibility (acidizing)
Fracture area of a hydraulically fractured formation
Fracture coefficient of a hydraulically fractured reservoir
Fracture fluid coefficient for reservoir-controlled liquids
Fracture fluid coefficient for viscosity-controlled liquids
Fracture geometry (acidizing)
Fracture gradient (hydraulic fracturing)
Fracture-fluid invasion of the formation (acidizing)
Frictional pressure drop (Economides and Nolte)
Gas velocity under sonic flow conditions (through choke)
Hydraulic fracture efficiency
Hydraulic horse power for a hydraulic fracturing operation
Ideal fracture conductivity created by acid reaction (acidizing)
Incremental density in any wellbore interval (completion and workover fluids)
Initial rate following a hydraulic fracturing operation
Injection pressure for hydraulic fracturing
Lifetime of a hydraulically fractured well
Mass of rock dissolved per unit mass of acid (acidizing)
Mass transfer in acid solutions by Fick's law (acidizing)
Maximum treatment pressure (hydraulic fracturing)
Mechanical resistant torque (PCP)
Minimum polished rod load (sucker rod pump)
Peclet number for fluid loss (acidizing)
Perforation friction factor
Perforation friction pressure
Perforation hole size (perforation)
Perforation length in formation
Perforation penetration ratio (formation of interest/reference formation)
Perforation skin factor
Pore growth function (acidizing)
Pressure drop across perforations in gas wells
Pressure drop across perforations in oil wells
Pressure loss due to perforations during hydraulic fracturing
Pressure loss due to perforations during hydraulic fracturing - 2
Principal stress due to petro-static pressure (hydraulic fracturing)
Productivity index (for generating composite IPR curve)
Productivity ratio
Productivity ratio calculation of a hydraulically-fractured formation
Pseudo skin factor due to partial penetration (Brons and Marting method)
Pseudo-skin factor due to partial penetration (Yeh and Reynolds correlation)
Pseudo-skin factor due to partial penetration (Odeh correlation)
Pseudo-skin factor due to partial penetration (Papatzacos correlation)
Pseudo-skin factor due to perforations
Quantifying formation damage and improvement
Recommended underbalanced environment for perforation
Reynolds number for acid flow into the fracture (acidizing)
Reynolds number for fluid loss (acidizing)
Sand weight needed to refill a hydraulically fractured reservoir volume
Shape factor expressed as skin factor for vertical wells
Single-phase gas flow (subsonic)
Single-phase liquid flow through choke
Skin factor
Skin factor by Hawkins method
Skin factor due to partial penetration
Skin factor due to reduced crushed-zone permeability
Skin factor for a deviated well
Slope of Semilog plot for bottom-hole flowing pressure vs time for drawdown test
Sucker rod - Peak polished rod load
Suspension property of static fluids (completion and workover fluids)
Tangential annular flow of a power law fluid
Temperature at choke outlet
The z component of the force of the fluid on the wetted surface of the pipe
Total skin in partially depleted wells for a buildup test
Velocity distribution in the annular slit of a falling-cylinder viscometer
Velocity distribution in the narrow annular region in annular flow with inner cylinder moving axially
Velocity distribution of flow through an annulus
Velocity of fluid in annulus
Velocity of fluid in pipe
Viscous force acting on the rod over the narrow annular region
Volume capacity of pipe
Volume of fluid loss per unit area measured in a dynamic test (acidizing)
Volume of fluid loss per unit area measured in a static test (acidizing)
Volume of rock dissolved per unit volume of acid (acidizing)
Water quantity that dilutes the original brine with assumed density (two-salt systems)
Weight of crystalline CaCl2 and CaBr2 salt addition to brine (two-salt systems)
Well flowing pressure (line-source solution by including skin factor)
Well flowing pressure under Pseudo-steady state flow for non-circular reservoirs
Wellbore pressure loss due to friction during hydraulic fracturing (laminar flow)
Wellbore pressure loss due to friction during hydraulic fracturing (turbulence flow)
Wellbore storage
Wellbore storage due to fluid level
Wellhead pressure (multiphase flow across the choke)
Workover operations (maximum allowed tubing pressure)
Young Modulus by using sonic travel time (acidizing)
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Reservoir Engineering
Drilling Engineering
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Production Engineering
Fluid Flow and Transport Phenomena
Petrophysics
Petroleum Economics
Phase Behavior and Thermodynamics
Petroleum Engineering Laboratory
Enhanced Oil Recovery and Geothermal
Geomechanics and Fracturing
Facilities and Process Engineering
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