Dictionary:S:Index
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- S-AVO
- S-band
- S-line
- S-P interval
- S-plane
- S-reflectivity
- S-rule
- S-wave
- S(second)
- S(Siemans)
- S1, S2 wave
- S1, S2
- Sabkha
- Sack
- Saddle point
- Sag
- SAGE
- Sagittal plane
- Sail line
- Saile
- Salinity
- Salinization
- Salt dome
- Salt flood
- Salt glacier
- Salt lead
- Salt masking
- Salt proximity survey
- Salt residual
- Salt tectonics
- Salt weld
- Salt window
- Salt
- Salvo
- Sample interval
- Sample log
- Sample rate
- Sample-and-hold circuit
- Sampling function
- Sampling skew
- Sampling theorem
- Sand count
- Sand dune
- Sand line
- Saphe
- Saprolite
- SAR
- SASW
- Satellite altimetry
- Satellite gravity
- Satellite Laser Ranging (SLR)
- Satellite magnetics
- Satellite navigation (satnav)
- Satellite pass
- Satnav
- Saturable system
- Saturation exponent
- Saturation prospecting
- Saturation
- Sausage powder
- Sawtooth pattern
- Sawtooth SP
- Scalar magnetotelluric method
- Scalar wave equation
- Scalar
- Scale modeling
- Scale
- Scaler
- Scaling law
- Scaling
- Scan
- Scanning electron microscope
- Scatter diagram
- Scattergram
- Scattering
- Scatterpoint
- Scenario
- Schelkunoff potentials
- Schlieren
- Schlumberger electrode array
- Schmidt diagram
- Schmidt field balance
- Schmidt net
- Scholte wave
- Schuler period
- Schumann resonance
- Scintillometer
- Scissors fault
- Scout
- Scratch-pad memory
- Screen
- Screw wave
- Script file
- Scroll bar
- Scroll
- SCSI, scuzzy
- Sculpting
- Sea chest
- Sea Grant
- Sea level
- Sea state
- Sea-floor spreading
- Sea-slug model
- Seal
- Seam wave
- Seamount
- Search
- Seasat
- Secant projection
- Sech criterion
- Second arrival
- Second critical angle
- Second vertical derivative
- Second-derivative map
- Second-order correction
- Second-order triangulation
- Secondary field
- Secondary lobe
- Secondary patterns
- Secondary porosity
- Secondary recovery
- Secondary reflection
- Secondary voltage
- Secondary wave
- Secondary-porosity index (SPI)
- Secondary
- Section gauge
- Section
- Sectional correlogram
- Secular equilibrium
- Secular variation
- Sediment bypassing
- Sedimentary rock
- Seed
- Seek latency
- Seep
- SEG A, SEG B, SEG C, SEG D, SEGDEF, SEG Y
- SEG Pl
- SEG standards
- SEG
- SEG1
- Segmented sweep
- Seiche
- Seis
- Seiscrop
- Seislog
- Seisloop
- Seismic anisotropy
- Seismic array
- Seismic cap
- Seismic constant
- Seismic datum
- Seismic discontinuity
- Seismic event
- Seismic exploration
- Seismic facies analysis
- Seismic facies
- Seismic gap
- Seismic Immunity Group
- Seismic lithologic modeling (SLIM)
- Seismic log
- Seismic map
- Seismic method
- Seismic moment
- Seismic profile
- Seismic pulse
- Seismic record
- Seismic reflection tomography
- Seismic refraction method
- Seismic section
- Seismic sequence analysis
- Seismic stratigraphy
- Seismic survey
- Seismic trace
- Seismic velocity
- Seismic wave
- Seismic-electric effect
- Seismic
- Seismicity
- Seismoelectric
- Seismogel
- Seismogram
- Seismograph
- Seismologist
- Seismology
- Seismometer
- Seismoscope
- Seisviewer
- Selective stacking
- Self resistance
- Self-exciting dynamo
- Self-potential (SP)
- Self-potential method
- SEM
- Semantics
- Semaphore
- Semblance
- Semi-infinite
- Semiconductor
- Sender
- Sensitivity
- Separation filtering
- Separation
- Sequence analysis
- Sequence boundary
- Sequence stratigraphy
- Sequence
- Sequestration of CO2
- Series
- Server
- Servo system
- Setup
- Seven-bit alphameric code
- Sextant
- Sezawa M2 wave
- Sferics
- SFL
- SGR
- SH surface wave
- SH-wave
- SH
- Shadow zone
- Shah
- Shake table
- Shale baseline
- Shale potential
- Shale shaker
- Shale sheath
- Shaliness
- Shallow water flow
- Shallow-focus earthquake
- Shallow-water survey
- Shape anisotropy
- Shaped charges
- Shapefile
- Shaping deconvolution
- Sharpe’s equation
- Shear modulus
- Shear-wave splitting
- Sheet
- Shelf break
- Shelf-margin systems tract
- Shepard's cane
- Shield
- Shielding
- Shift
- Shingling
- Shipborne gravimeter
- Shock wave
- Shoe
- Shoestring sand
- Shoot on paper
- Shoot
- Shootback method
- Shooter
- Shooting a well
- Shooting through the patch
- Shooting under
- Shoran
- Short Doppler count
- Short lateral
- Short normal
- Short shot
- Short-path multiple
- Short-trace section
- Shot bounce
- Shot break
- Shot depth
- Shot elevation
- Shot hole
- Shot instant
- Shot noise
- Shot-hole elevation
- Shot-hole fatigue
- Shot-hole log
- Shot-moment line
- Shot
- Shotbox
- Shotpoint (SP)
- Shotpoint gap
- Shotpoint interval
- Shotpoint seis
- Shoulder-bed effect
- Shover
- Show (of oil or gas)
- Shrink-wrap
- Shut in
- Shut-in pressure
- Shuttle air gun
- SI
- Sial
- Side lobe
- Side shot
- Side-scan sonar
- Sidereal hour angle
- Sideswipe
- Sidetrack
- Sidewall core
- Sidewall neutron log (SNP)
- Sidewall pad
- Sidewall sampler
- Siemens (S)
- Sight
- Sigma (σ)
- Sigma unit (su)
- Sigmoid configuration
- Sign bit
- Sign filter
- Sign-bit recording
- Signal averager
- Signal compression
- Signal correction
- Signal deconvolution
- Signal enhancement
- Signal theory
- Signal
- Signature deconvolution
- Signature log
- Signature
- Signed offsets
- Significance level
- Significance
- Sill
- Sima
- Similar fold
- Similarity analysis
- Simplan stack
- Simplan
- Simple multiple
- Simple pole
- Simplex method
- Simplex
- Simpson’s rule
- Simulated annealing
- Simulation
- Simulator
- Simultaneous acoustic and resistivity imager (STAR)
- Simultaneous reconstruction technique (SIRT)
- Sinc x
- Sine transform
- Sines, law of
- Sing around
- Singing
- Single phase flow
- Single square-root equation
- Single-ended spread
- Single-fold
- Singular matrix
- Singular transformation
- Singular-value decomposition (SVD)
- Singular
- Singularity
- Singy
- Sinistral
- Sink
- Sintering
- Sinusoid
- SIROTEM
- SIRT
- Site characterization
- Site damping
- Sixfold
- Sixth-line banding
- Skew-symmetric matrix
- Skew
- Skewbox
- Skewness
- Skid
- Skidded source
- Skin depth
- Skin effect
- Skip distance
- Skip mixing
- Skip
- Skirt
- Sky wave
- Sky-wave interference
- Skylab
- Slab correction
- Slalom
- Slant path correction
- Slant range
- Slant recording
- Slant stack
- Slanted arrays
- SLAR
- Slave drum
- Slave station
- Sled
- Sledge hammer
- Sleeper
- Sleeve gun
- Slew rate
- Slick line
- Sliding window
- SLIM
- Slingram
- Slip sweep method
- Slip time
- Slip-vector analysis
- Slip
- Slips
- Slope fans
- Slope-distance rule
- Slotnick method
- Slots
- Slow P-wave
- Slow-shear formation
- Slowness surface
- Slowness
- SLR
- Slue
- Slug flow
- Slug
- Slurry explosive
- Slush pit
- Small circle
- Smart stacking
- Smash down
- Smear
- Smile
- Smith rule
- Smoothing
- Snapping
- Snapshots
- Snell path
- Sniffer
- Snorkel
- SNP
- SNR
- Soak
- SOFAR
- Soft copy
- Soft data
- Soft error
- Soft formation
- Soft magnetism
- Soft mantle
- Soft rock
- Soft spring
- Software
- Soil
- Sokolov rule
- Solar wind
- Sole
- Solid streamer
- Solid-state circuitry
- Solidus
- Solution gas
- Sonar reference intensity
- Sonar
- Sonde
- Sonic log
- Sonic wave
- Sonic waveform log
- Sonic
- Sonification
- Sonify
- Sonobuoy
- Sonogram
- Sonograph
- Sophisticated
- Sorption
- Sosie
- Sound channel
- Sound wave
- Sound
- Sounding
- Sour gas
- Source code
- Source level
- Source parameter imaging method (SPI)
- Source pattern
- Source point (SP)
- Source program
- Source rock
- Source signature
- Source-point gap
- Source-receiver product
- Source
- Soursile
- South-seeking pole
- Southing
- Sovel
- SP buckout
- SP recording
- SP reduction factor
- SP
- Space domain
- Space filtering
- Space-frequency domain
- Space-time filter
- Spacer section
- Spacing adjustment, span adjustment
- Spacing, span
- Spark Pak
- Sparker
- Sparse 3D
- Sparse matrix
- Sparse spike operation
- Sparse
- Spatial aliasing
- Spatial domain
- Spatial frequency
- Spatial sampling
- Spatial stationarity
- Spec shoot
- Specific acoustic impedance
- Specific capacity
- Specific conductance
- Specific factor
- Specific gravity
- Specific impedance
- Specific mass
- Specific resistance
- Specific volume
- Specific
- Spector-Grant method
- Spectral analysis
- Spectral decomposition
- Spectral density
- Spectral gamma-ray log
- Spectral signature
- Spectral stripping
- Spectral warping
- Spectrum
- Specular
- Speculative data
- Spheric
- Spherical coordinates
- Spherical divergence
- Spherical excess
- Spherical harmonic
- Spherical triangle
- Spherical wave
- Spherical wavefront
- Spherically focused log (SFL)
- Spheroid
- SPI
- Spider plot
- Spike filtering
- Spike
- Spiking deconvolution
- Spill point
- Spinel
- Spinner magnetometer
- Spinner survey
- Spirit leveling
- Spit-out
- Spitter
- Spline
- Split migration
- Split spread
- Split-dip shooting
- Split
- Sponge boundary
- Spontaneous potential (SP)
- Spool
- Spoon fault
- Sporadic noise
- Spot correlation
- SPOT
- Spread correction
- Spread spectrum
- Spread
- Spreading rate
- Spreading
- SPS
- Spudder
- Spudding
- Spur
- Square-wave
- Squash plot
- Squeeze camera
- Squeeze cementing
- Squeeze section
- Squelch circuit
- SQUID magnetometer
- Squiggle
- Squirter
- SS
- SSP
- SST
- Stability of a filter
- Stability
- Stabilized downward continuation
- Stabilized platform
- Stable
- Stack array
- Stack
- Stacked profiles
- Stacking chart
- Stacking velocity inversion
- Stacking velocity
- Stadia factor
- Stadia tables
- Stadia
- Stagarray
- Stake resistance
- Stake
- Stand alone
- Standard curve
- Standard deviation
- Standard Earth
- Standard error
- Standard format
- Standard lines
- Standard meridan
- Standard parallel
- Standard polarity
- Standard pressure
- Standard section
- Standard temperature
- Standards, SEG
- Standby time
- Standing wave
- Standoff
- Standout
- Star diagram
- Star
- STAR
- Starvation
- Starved
- State variable
- Static capacity
- Static corrections, statics
- Static field
- Static self-potential (SSP)
- Static shift
- Statics
- Station
- Stationarity
- Stationary field
- Stationary filter
- Stationary mass
- Stationary wave
- Statistical measures
- Statistical stacking
- Steady mass
- Steady state
- Steam flooding
- Steam gun
- Steam quality
- Steam stimulation
- Steenland-Vacquier rule
- Steepest descent
- Steer
- Stefan-Boltzmann’s law
- Stefanesco function
- Step function
- Step length
- Step-function response
- Step-out well
- Stepback
- Stepout
- Stepped-gain amplifier
- Stepping method
- Steradian
- Stereographic projection
- Stick plot
- Stick
- Stickogram
- Stiff diagram
- Stiffness
- Still readings
- Stillstand
- Stinger
- Stochastic modeling
- Stochastic
- Stock tank
- STOIIP
- Stokes’ theorem
- Stolt migration
- Stone-slab correction
- Stoneley wave
- Stop band
- Storage
- Storm
- STP
- Straddle spread
- Stradle packer
- Straight slope measurement
- Straight
- Strain (εij)
- Strain ellipsoid
- Strain energy
- Strain seismometer
- Strakhov filter
- Stranded gas
- Strat test
- Stratal surface
- Stratigraphic classification
- Stratigraphic interpretation
- Stratigraphy
- Stream tracking
- Streamer feathering
- Streamer
- Streaming potential
- Strength
- Stress
- Stretch and squeeze
- Stretch modulus
- Stretch section
- Stretch
- Strike filter
- Strike shooting
- Strike-slip fault
- Strike
- String galvanometer
- String
- Stringer
- Strip log
- Strip migration
- Striping
- Stripper well
- Stripping
- Strips of convergence
- Strobe
- Strong-motion accelerograph
- Strontium isotope dating
- Structural model
- Structural section
- Structural style
- Structure-sensitive conductivity
- Structure
- Structured program
- Strum
- Stub line
- Stunt box
- Su
- Sub
- Subbin
- Subbottom profiler
- Subcarrier
- Subcritical reflection
- Subduction zone
- Subpoint
- Subroutine
- Subsample
- Subsea seismic (SUMIC)
- Subsea
- Subsource
- Subsurface coverage
- Subsurface stacking chart
- Subsurface trace
- Subtractive primary colors
- Subweathering velocity
- Sucker rods
- Suitcase sand
- SUMIC
- Summation check
- Summation method
- Sun angle
- Superbin
- Superconducting magnetometers
- Supercritical reflection
- Supergathers
- Superimposed mode
- Supernormal pressure
- Superposition
- Supervised classification
- Supervisor
- Suppressed layer
- Suppression
- SURF diagram
- Surface anomaly
- Surface attributes
- Surface conductivity
- Surface corrections
- Surface density
- Surface duct
- Surface fitting
- Surface impedance
- Surface SH-wave
- Surface slicing
- Surface source
- Surface stacking chart
- Surface tension
- Surface wave
- Surface-consistent model
- Surface-ship gravimeter
- Surfactant flooding
- Surfactant mud
- Surfactant
- Surgical mute
- Survey
- Surveying
- Susceptibility
- SV-, SH-wave
- SVD
- Sw
- Swab
- Swanson’s rule
- Swarm
- Swath method
- Swath
- SWC, sidewall core
- Sweep frequency
- Sweep rate
- Sweep
- Sweet gas
- Sweet spot
- Swell noise
- Swivel
- Sykes diagram
- Syledis
- Symbolic language
- Symmetry system
- Synapse
- Synchronous data link control
- Synchronous detection
- Synchronous protocol
- Syncline
- Syndepositional
- Synergetic
- Syntax
- Synthetic acoustic impedance log
- Synthetic aperture
- Synthetic fault
- Synthetic seismogram
- Synthetic sonic log
- Syslap method
- System deconvolution
- System response
- System tract
- System
- Systematic error