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GLOSSARY
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C
C-annulus (well completion)
CAP (Capacitance Logging Tool)
Capacitance Resistance Model = CRM
Capacitance-Resistivity Model (CRM) @model
Capillary pressure
Cased-Hole = CH
Cased-Hole Logging
Cased-Hole Well
Casing (CSG)
CCL (Casing Colar Locator Tool)
CFS (Continuous Flow Spinner Logging Tool)
Chemical equilibrium
Circulated (well flow status)
Clay
cmd (cubic meters per day)
CNL
Coiled tubing (CT)
Coiled tubing logging
Commercial hyrocrabon reserves
Custody Transfer Meter = CTM
Compositional @model
Compressibility (rock)
Condensation
Conductor (CND)
Constant coefficient pressure diffusion @model
Derivation of Continuity equation @model
Conventional Core Analysis (CCAL)
Convolution @math
Core (sampling)
Core analysis
Cost of debt
Cost of Equity
Covariance @ model
Centipoise = cp
Cross-phase fluid exchange
Cross-phase fluid exchange @model
Cross-well connectivity
Cross-well Formation Resistivity (XFR)
Cross-well Microseismic
Cross-well Tracer Surveillance
Cross-well Transient Response = CTR
Crude oil
Connate fluid
Closed pore volume
Cumulative oil production = QO
Cumulative water production = QW
Cumulative gas production = QG
Cumulative gas injection
Cumulative water injection
Cross-phase exchange coefficients
Cumulative offtakes (withdrawals)
Cumulatives (Q)
Cumulative injection
Cumulative production
Cumulative intakes
Cumulative Voidage Replacement Ratio = ΣVRR
Compressivity
Compressibility = β = c
Cozeny-Karman permeability @model
Cross-phase exchange ratios (Rs and Rv)
Clastic Sedimentary Rock
Carbonate Sedimentary Rock
Cross-layer natural fracture communication
Completion failure
Casing failure
Chemical EOR
Cased-Hole Well Test
CH Compensated Neutron Logging (CH-CNL)
Contact Angle
Critical water saturation to oil sweep (swoc)
Critical gas saturation to oil sweep (sgoc)
Disconnected porosity
Cumulative reservoir fluid balance
Celsius (temperature unit) = °C
Compressibility factor
Chemical substance
Carter-Tracy Aquifer Drive @model
Chemistry
Cross-well
Colebrook–White correlation
Churchill correlation
Cased-Hole Data Acquisition
Contact force
Continuity equation @model
Central Angle
Compaction Drive
Cap Rock
Channel
Continuum Body
Continuum mechanics
Compartment (rock)
Cased-Hole Pressure Transient Test
Compressible matter
Calculus
Cauchy Value Problem (CVP)
Coiled Tubing (CT) Operations
Correlation
Cross-Validation
Coordinated Universal Time ( UTC)
Coefficient of determination = R2
Cluster Analysis
Cash
Corporate Management
Constant rate production: qL = const
Pressure control production: pwf = const
Conventional Reserves
Short-Term Asset (Finance)
Commercial Business
Connected pore volume (open pore volume)
Connected porosity
Current Liabilities = CL (Finance)
Cash Balance (Finance)
Cost of Goods Sold = COGS
Capital expenditure = CAPEX (Finance)
Company (Business)
Cash Collection (Finance)
Cash Account (Finance)
Cash Outflow (Finance)
Cash-in-hand (Finance)
Currency
Cash-in-bank (Finance)
Cash Transaction (Finance)
Contract (Business)
Cash Equivalent (Finance)
Cash and Cash Equivalent = CCE (Finance)
Customer = Client (Business)
Constant (System property)
Cost Management
Cumulative liquid production = QLIQ
Cumulative watercut = ΣYw
Converted Petroleum Field
Cumulative Productivity Plot
Cash Inflow (Finance)
Contract
Compressible fluid
Z-factor (compressibility)
Constant Areal Geothermal Temperature Profile @model
Cross-well Pressure Modelling = XPM
Cross-well interference map
Cross-well interference history
Crust (Earth)
Crust Basement
Sedimentary Cover
Consciousness
Direct Expenses (Finance)
Current Asset (Finance)
Compressional wave
Cash Discount
Cash Flow
Custody Transfer
Current Budget (Finance)
Closed System
Bellos friction factor correlation
Consumer Price Index = CPI
Natural Convection Annulus Heat Transfer Coefficient @model
Conduction Annulus Heat Transfer Coefficient @model
Critical Temperature = Tc
Critical Point = (Tc, Pc)
Critical pressure = pc
Cash Expenses (Finance)
Cricondentherm = Tc,max
Cricondenbar = Pc,max
Cement Sheath Logging
Cement Bond Logging = CBL
Cement Map
Corrosion Logging
Cross-well Surveillance
Molecular Physics
Intermolecular distance
Compositional Fluid @model
Closed porosity
Craelius wells
Bulk modulus = K = B
Carter Leak-off Equation @model
Cross-well Pressure Test
CPHI
Compressibility correlations
cubic meter = cm = m3 (unit)
square meter = m2 (unit)
Chemical element
Chemical formula
Carbon Dioxide = CO2
Hydrogen sulfide = H2S
Litre = L = l (unit)
Chew-Connally/Standing (1959/1977) saturated oil viscosity μo @model
Validation Cross-Plot
Correlation skewness = S3
Channeling (well)
Cumulative Production-Injection Ratio = ΣPIR
Cumulative Water-Oil Ratio = ΣWOR
Cumulative Voidage Replacement Balance = CVRB
Normalized Cumulative Voidage Replacement Balance = NVRB
Cumulative WOR = ΣWOR
Watercut Chan plot
Sales Chasm
Capital Asset Pricing Model = CAPM
Corporate Tax Rate (Finance)
Long-Term Liabilities = LTL (Finance)
Impairment Losses (Finance)
Compound Annual Growth Rate = CAGR
Connate water saturation = swl = SWL
Corporate Tax (Finance)
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Connate fluid
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