`` Alphabetical Index



Alphabetical Index


A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z 


A

Abiotic hypothesis
Accountability
Accuracy (of Monte Carlo)
Addition of reserves
Adequacy factor
Adjusted R-square
Adsorption
Age of basin fill
Aggregation of reserve estimates
Aims of prospect appraisal
Allan diagram
Alternative hypotheses
Amortization
Anaerobic generation of gas
Analysis of Variance
Analytical versus Monte Carlo
ANOVA
API (oil gravity)
Appreciation of reserves
A priori probability
ARMA
Assessment unit
Auctions of leases
Autocorrelation
Auto regressive moving average model
Average
Average POS

B

Bacterial degradation of oil
Bacterial gas
Base rate
Basin analysis
Basin multivariate analysis
Basin Volume
Bayes
Bayesian update of a normal distribution
Bayesian discriminant analysis
Bayes factor
Best estimate (P50)
Beta distribution
Beta update
BHT (Bottom Hole Temperature)
Bias
Bidding for leases
Binomial distribution
Bootstrap
Bottom of reservoir determination
Boyle-Gaylussac law for gas
Breakage models
Build-up phase
Build-up years
Bulk rock volume
Bonus

C

CAI, Conodont Alteration Index
Calibration
Calibrated prospect aprraisal systems
Camembert trap model
CAPEX (Capital Expenditure)
CAPEX per barrel plateau production
Cashflow
Cash surplus
CAT - Cumulative Area Test
CAT - Math of significance test
Central tendency
Chance of Fulfillment
Chance of Success
Chance tree
Hydrocarbon Charge
Classification
Clay smear potential
CDF, Cumulative distribution function
COCS - Chance of Commercial Success
COS - Chance of Success
Coefficients (regression)
Combining probabilities
Commercial resource
Commercial Risk
Commonality (geological)
Compaction effect on porosity
Compensated Time Ratio Method (CTRM)
Concession
Condensate gas ratio (CGR)
Condensate gas ratio (CGR)prior
Conditional distribution
Conditional probability
Conjugate distributions
Conodont Alteration Index
Contingent Resources
Contracts
Conventional oil resources
Correlation
Cosine trap model
Covariance (of prospects)
Creaming forecasting
Cross-validation
CTRM temperature correction
Cumulative Area Test (CAT)
Cumulative distribution
Current generation of HC
Cutoff estimation (economics)
Cutoff porosity
Cylinder trap model

D

Decision tree
Decline %
Decompaction
Degrees of freedom
Delta C13
Delphi method
DeltaP for column estimation
Denver-Julesberg basin
Dependence of prospects
Depreciation
Depth-volume curve
Diamondoid
Differential pressure (Pd)
Discovery Process Modeling
Discovery rate decline
Discriminant Analysis
Dispersion
Distribution parameters
Double triangular distribution
Dry basins

E

Earning Power
Economics
Effective number of degrees of freedom Enhanced recovery
Entrapment of hydrocarbons
Equation (regression)
Euclidian distance
Event chart
Exceedance probability plot
Exceedance curve
Exhumation
Expansion factor
Expectation
Expectation curve
Expected Exploration Costs
Expected Monetary Value (EMV)
Expert system
Explained variance
Exploration process modeling

F

Fairway maps
Fairway maps (Play-based prospect assessment)
Fieldsize decline
Fieldsize distribution
Fill-factor
Flushing
Forecasting
Forman's discovery process models
Formation Volume Factor (FVF)
Four-dimensional creaming"
Fractiles
Frequentistic probability
Fulfillment, chance of
Futurists

G

Gaeapas (prospect appraisal program)
Gaeatools programs
Gas chimney
Gas hydrates
Gas/Oil contact (GOC)-1
Gas/Oil contact (GOC)-2
Gas/Oil Ratio (GOR)
Gas price
Gaussian distribution (normal)
Generation (of HC)
Generation rate
Current Generation
Geohistory graph (GEOHIST)
Geological risk (Geological POS)
Geometric mean
Geostatistics
Geothermal gradient
Goodness of fit test
GOR (Gas/Oil Ratio)
Granger-causality
Groningen gasfield
Groningen gas field, earthquakes
Gross reservoir
Groups of prospects evaluation
Growth of reserves

H

Hindsight analysis
Histogram
Hubbert curve
Hydrocarbon charge priors
Hydrocarbon column appraisal
Hydrocarbon contact appraisal
Hyperparameter

I

iid-violation
Inflation
Information measure H
Information and POS
Inverse normal distribution
Inversion index
Investment Efficiency (IE)
Isotope composition of Carbon

J

Jackknife and Bootstrap
Juxtaposition seal

K

Kendall's tau
Knipe diagram for fault seal
Kriging
Kolmogorov-Smirnov goodness of fit
Kozeny-Carman equation (Permeability-Prorosity)

L

Lag regression
Laherre
Lateral seal
Lateral migration
Latin Hypercube Sampling (LHS)
Learning set
Licence (production)
Likelihood ratio
Logistic curve
Logistic modeling
Log-linear decline curve extrapolation
Lognormal distribution
Longitudinal data (time series)
Lopatin

M

MAD, Merging and Addition of estimates
Marginal play probability
Marine vs. Non-Marine oils
Material Balance
Maturity estimation
Maturity index
Mean (average)
Mean Success Volume (MSV)
Median
Measures of central tendency
Measures of dispersion
Merging alternative hypotheses
Microcracks
Migration (secondary, of HC)
Minimum Spanning Tree
Mis-classification
Mode (most likely value)
Models (prospect appraisal)
Monoclinal trap model
Monte Carlo method
Most likely value
MST
MSV, Mean Success Volume
Multivariate analysis

N

Negative dependence
Net-to-gross ratio
Non-hydrocarbon gas
Non-linear Mapping (NLM)
Non-parametric correlation
Normal distribution
Normal distribution update
Nugget (in variogram)
Number of future discoveries estimation

O

Oil price
OPEC (Organization of Petroleum Producing Countries)
Operating expenses, OPEX
Original Organic Carbon content (TOCORIG)
Orthogonal variables
Outliers

P

Parallel folding style
Parameters of a distribution
Parametric correlation
Pareto distribution
Pay-out time
Percent of distribution left of mean
PBE (Play Based Exploration
Peak Oil
Peak production
Percentiles
Permeability
Petroleum System
Plateau years
Porosity
PDF, Probability Density Function
Play risk
Play risk calculation
Pollen Coloration Index POS, probability of success
POSg, probability of geological success
POSc, probability of success after cutoff
POS-test
Posterior probability
Post-Mortem analysis
Pot odds
Porosity priors
Portfolio of prospects
Power Law
Predictive distribution
Predicted R-square
Prediction (regression)
Present Value (PV)
Precision
Previous exploration experience
Primary recovery efficiency
Prior distribution
Prior probability
Prior distributions for variables
Probability
Probability graph
Probabilistic production Forecasting
Process distribution
Production profile (PRODPROF)
Production bonus
Prospective Resources
PSA, Petroleum System Analysis
PSA (Production Sharing Agreement)
PSC (Production Sharing Contract)
Pseudo random numbers
PVT data (Pressure, Volume, Temperature,)
PVNCS
P90, P50, P10
P90, P50, P10 addition
1P, 2P, 3P and 1C, 2C, 3C classification

Q

Qualitative appraisal systems
Quantitative methods
Quality

R

Random number generator
Random sampling from a distribution
Rank correlation
Ranking of prospects
Real Value
Rectangular distribution
Recoverable resources
Recovery efficiency priors
Reducing subjectivity
Regression
Removed overburden
Remigration
Research papers
Reserves classification
Reservoir/seal pairs
Residuals
Residuals as a prior distribution
Restore eroded section
Resources
Ring fencing
Risk
Risk curve
Risked mean
Robust regression
Rock-Eval
Rolled-back Ultimate Recovery
Russian Federation Resource classification
R-square

S

S1, S2, S3 meaures
Sample mean
Scenarios
Seals
Seat seal
Secondary recovery efficiency
Semi-variogram
Sill (in variogram)
Similar folding style
SEC (Stock Exchange Commission)
Signature bonus
Sine Qua Non factor
Smear (of clay on faultplane)
Software
Solidity
Source rock type
Source rocks
Source rock recognition on wireline logs
Spatial data analysis
SPE (Society of Petroleum Engineers)
Spearman's rank correlation
Spherical trap model
Spurious correlation
Subjective appraisal systems
Subjective probability
Standard deviation
Stratigraphic traps
Structuration index
Swanson's rule

T

Taxation
t-distribution
Tectonic basin classification
Temperature correction (CTRM)
TFT or True Formation Temperature
Thermal cracking of oil
Thermochemical sulfate reduction
Thiessen polygons
Time series - autocorrelation
Time series - Lagged regression
T-max
Top seal calibration
Top seal capacity prior
TOC, definition
Total Organic Carbon (TOC) software
TOC estimate from wireline logs
Transformation ratio
Transformation of variables
Trap capacity growth
Trap capacity history
Trap description
Trap models (geometric)
Triangular distribution
Truncated shifted Pareto distribution
Truncated triangular distribution
TSA (Technical Service Agreement)
TTI - Time-Temperature-Integral
t-value

U

Ultimate recovery per well
Ultimate yield (of source rock)
Uniform distribution
Uniformity of reporting
Unit technical costs
Unitisation agreements
Uncertainty in prospect appraisal
Unconventional oil and gas resources
Unrecoverable Resources
Unrisked mean (MSV)
Updating a probability
Updating a normal distribution
USGS (United States Geological Survey) method

V

Variance
Variogram principle
Variogram program
Venn diagram
Verhulst
Vertical migration
Vertical anomaly clusters
Volcalc program
Voronoi polygons

W

Water-washing of oils
Well initial
Well Initial prior
World-wide priors

X

X - the independent variable(s)

Y

Y - the dependent variable
Yes/No vector
Yield curves (transformation ratio)

Z

Z-factor for gas
Zipf's Law (distribution)


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