Category

Well Test Analysis

60 items

Analysis of a flow test with smoothly varying rates

Analysis of a post-fracture - Constant-rate flow test with boundary effects

Analysis of a post-fracture pressure buildup test with wellbore-storage distortion

Analysis of a well from a PI test

Analysis of DST flow data with Ramey type curves

Average fracture permeability (pseudo-steady state case for pressure build-up test)

Bottomhole flowing pressure during infinite-acting pseudoradial flow

Calculation of pressure beyond the wellbore (line-source solution)

Conventional DST design without a water cushion (collapse pressure calculation)

Diffusion depth in a geothermal well

Dimensionless buildup pressure for field calculations

Dimensionless buildup pressure for liquid flow

Dimensionless buildup pressure for steam or gas flow

Dimensionless buildup time

Dimensionless cumulative production (radial flow constant-pressure production)

Dimensionless drawdown correlating parameter by Carter

Dimensionless length (linear flow constant rate production/hydraulically fractured wells)

Dimensionless length (linear flow/constant-rate production/general case)

Dimensionless pressure (linear flow/constant rate production/general case)

Dimensionless pressure (linear flow/constant rate production/hydraulicallyfractured wells)

Dimensionless pressure (radial-flow/constant pressure production)

Dimensionless pressure (radial-flow/constant rate production)

Dimensionless pressure drop across a skin at the well face

Dimensionless pressure drop during pseudo-steady state flow for a fractured vertical well in a square drainage area

Dimensionless pressure drop during pseudo-steady state flow for a horizontal well in a bounded reservoir

Dimensionless production time

Dimensionless rate (radial flow/constant pressure production)

Dimensionless shut-in time for MDH method

Dimensionless storage constant for gases

Dimensionless storage constant for liquids

Dimensionless time (linear flow/constant rate production/general case)

Dimensionless time (linear flow/constant rate production/hydraulically fractured wells)

Dimensionless time (radial flow/constant rate production)

Dimensionless time function (transient heat transfer to the formation)

Dimensionless wellbore storage coefficient (compressible fluids for pressure build-up test)

Flow period duration (hydraulically fractured wells)

Fracture conductivity (bilinear-flow regime in gas wells)

Fracture conductivity during bilinear flow

Inflow performance relationship (IPR) for horizontal wells in solution gas-drive reservoirs (Fetkovich)

Inflow performance relationship (IPR) for horizontal wells in solution gas-drive reservoirs (Vogel)

Interporosity flow coefficient in pressure build-up test

Minimum shut-in time to reach pseudo-steady state for tight gas reservoirs being hydraulically fractured

Permeability and reservoir pressure from buildup tests

Permeability and skin factor from a constant-rate flow test

Pressure buildup equation (Horner equation)

Radius of investigation

Radius of investigation (flow time)

Radius of investigation (shut-in time)

Raymer hunt transform (porosity/transit time relationship)

Reservoir permeability

Shut-in time for pressure build-up test (Dietz method)

Skin during infinite-acting pseudoradial flow for vertical wells

Skin estimation type-1 (pressure buildup test)

Slope of Horner plot in pressure buildup test

Slope of pseudo-steady state flow in pressure buildup test

Time to pseudo-steady state (single well-circular reservoir)

Time to reach the semi-steady state for a gas well in a circular or square drainage area (2)

True wellbore storage coefficient (pressure build-up test)

Well flow efficiency (geothermal well)

Well shut-in pressure during buildup (Horner plot)

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