===== Terms beginning with S =====

[[Salinity]]

[[Salt base mud]]

[[Salt dome]]

[[Salt water]]

[[Saltwater disposal]]

[[Saltwater mud]]

[[Sample log]]

[[Sample taker]]

[[Sand]]

[[Sand control]]

[[Sand count]]

[[Sand line]]

[[Sandstone]]

[[Saturated]]

[[Saturation]]

[[Saturation exponent]]

[[Sawtooth SP]]

[[SBR]]

[[Scale]]

[[Scanning electron microscope]]

[[Scattered gamma ray log|Scattered gamma-ray log]]

[[Schmidt diagram]]

[[Scintillation]]

[[Scintillation counter]]

[[Screen]]

[[Screen analysis]]

[[Sealed reservoir]]

[[Search interval]]

[[Sea water]]

[[Secondary porosity]]

[[Secondary porosity index]]

[[Secondary recovery]]

[[Second curve]]

[[Section gauge]]

[[Sediment]]

[[Sedimentary]]

[[Sedimentary basin]]

[[Seismic]]

[[Seismic attenuation]]

[[Seismic discontinuity]]

[[Seismograph]]

[[Selective SP]]

[[Self absorption]]

[[Self potential]]

[[SEM]]

[[SEM photomicrograph]]

[[Sensitivity]]

[[Separation]]

[[Set casing]]

[[Set pipe]]

[[Shadow zone]]

[[Shale]]

[[Shale base line]]

[[Shale membrane potential|Shale-membrane potential]]

[[Shale oil]]

[[Shale potential]]

[[Shale shaker]]

[[Shaly]]

[[Shaped charge]]

[[Shape factor]]

[[Shear modulus]]

[[Shear wave]]

[[Shielded electrode]]

[[Short]]

[[Short normal curve]]

[[Shoulder bed effect|Shoulder-bed effect]]

[[Shut in]]

[[Shut-in]]

[[Shut in bottom-hole pressure|Shut-in bottom-hole pressure]]

[[Shut in pressure|Shut-in pressure]]

[[Shut in time|Shut-in-time]]

[[Side bed]]

[[Side door overshot|Side-door overshot]]

[[Sidetrack]]

[[Sidewall acoustic log]]

[[Sidewall core]]

[[Sidewall coring tool]]

[[Sidewall epithermal neutron log]]

[[Sidewall neutron log|Sidewall neutron (porosity) log]]

[[Sidewall pad]]

[[Sidewall sample]]

[[Siliceous]]

[[Sigma log]]

[[Sigma unit]]

[[Signal]]

[[Signature log]]

[[Single point resistance log|Single-point resistance log]]

[[Single receiver Dt curve|Single-receiver Dt curve]]

[[Sinker bar]]

[[Skid]]

[[Skid unit]]

[[Skin]]

[[Skin depth]]

[[Skin effect]]

[[Skin factor]]

[[Skip]]

[[Slant hole Express|Slant-hole Express]]

[[Slim hole drilling|Slim-hole drilling]]

[[Slippage velocity]]

[[Slug]]

[[Slug flow]]

[[Small slam]]

[[Snorkel]]

[[Society of Petroleum Engineers]]

[[Society of Professional Well Log Analysts]]

[[Soft formation]]

[[Soft rock]]

[[Soft rock discipline]]

[[Software]]

[[Solution]]

[[Solution gas]]

[[Solution gas drive|Solution-gas drive]]

[[Solution gas oil ratio|Solution gas-oil ratio]]

[[Sonar]]

[[Sonar caliper]]

[[Sonde]]

[[Sonde error]]

[[Sonic log]]

[[Sonic t stretch, sonic Dt stretch]]

[[Sour]]

[[Source]]

[[SP]]

[[Spacing]]

[[Span]]

[[SPE]]

[[Specific acoustic time]]

[[Specific activity]]

[[Specific gravity]]

[[Specific heat]]

[[Spectral gamma ray log|Spectral gamma-ray log]]

[[Spherically focused log]]

[[Spike]]

[[Spine and ribs plot|Spine-and-ribs plot]]

[[Spinner]]

[[Spinner survey]]

[[Spontaneous potential]]

[[SP reduction factor]]

[[Spud]]

[[Spud in]]

[[Spurt loss]]

[[SPWLA]]

[[Squeeze cementing]]

[[SSP]]

[[Standard conditions]]

[[Standard conditions of temperature and pressure]]

[[Standard cubic foot of gas]]

[[Standard deviation]]

[[Standoff]]

[[Stand of pipe]]

[[Static]]

[[Static fluid level]]

[[Static mud column pressure]]

[[Static spontaneous potential]]

[[Static well conditions]]

[[Statistical check]]

[[Statistical fluctuations]]

[[Statistical variations]]

[[Step]]

[[Step out well|Step-out well]]

[[Step profile]]

[[Stick plot]]

[[Stimulation]]

[[Stock tank barrel]]

[[Stoneley wave]]

[[STP]]

[[Strata]]

[[Stratalogs]]

[[Stratification]]

[[Stratigraphic trap]]

[[Stratigraphy]]

[[Stratum]]

[[Streaming potential]]

[[Stretch]]

[[Strike]]

[[Strip log]]

[[Strip over]]

[[Stripper]]

[[Stripper well]]

[[Structural]]

[[Structural trap]]

[[Stuck pipe]]

[[Stuck point]]

[[Stuffing box]]

[[Sub]]

[[Substructure]]

[[Suction line]]

[[Suction pit]]

[[Super saturated|Super-saturated]]

[[Surface casing]]

[[Surface conductance]]

[[Surface pipe]]

[[Surface pressure]]

[[Survey]]

[[Survey cable]]

[[Swab]]

[[S wave|S-wave]]

[[Sweet]]

[[Symbols]]

[[Syncline]]

[[Synergetic]]

[[Synthetic seismogram]]