sonic logging
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Sonic logging — shows a formation’s interval transit time, designated Dt . It is a measure of a formation’s capacity to transmit sound waves. Geologically, this capacity varies with lithology and rock textures, notably porosity.Quantitatively, the sonic log is… … Wikipedia
Crosshole sonic logging — (CSL) is a method to verify the structural integrity of drilled shafts and other concrete piles. The CSL method is considered to be more accurate than sonic echo testing in the determination of structural soundness of concrete within the drilled… … Wikipedia
Logging while drilling — (LWD) is a technique of measuring geologic formation properties in real time while drilling an oil well.DescriptionLogging while drilling, along with measurement while drilling systems provide wellbore directional surveys, petrophysical well logs … Wikipedia
Well logging — Gamma ray logging Spontaneous potential logging Resistivity logging Density logging Sonic logging Caliper logging Mud logging LWD/MWD v · … Wikipedia
Mud logging — Mud log in process. Well logging Gamma ray logging Spontaneous potential logging Resistivity logging Density logging … Wikipedia
Density logging — Well logging Gamma ray logging Spontaneous potential logging Resistivity logging Density logging Sonic logging Caliper logging Mud logging LWD/MWD v · … Wikipedia
Wireline Logging — consists of measuring and recording the physical properties of the rocks in oil wells. Logging consists of introducing sensors in a borehole via a wireline , an electromechanical cable. Power and control is provided to the sensors inside the… … Wikipedia
Measurement while drilling — Well logging Gamma ray logging Spontaneous potential logging Resistivity logging Density logging Sonic logging Caliper logging Mud logging LWD/MWD v · … Wikipedia
Log ASCII Standard — (LAS) is a standard File format used commonly in the Oil and Gas Industry to store Log Curve Information. Well logging is used to create a more accurate understanding of the Stratigraphy of an area.A single LAS file can only contain data about… … Wikipedia
Landslide — This article is about the geological phenomenon. For other uses, see Landslide (disambiguation). Rockslide redirects here. For the comic book character, see Rockslide (comics). Computer simulation of a slump landslide in San Mateo County,… … Wikipedia
Cohesion (geology) — Cohesion is the component of shear strength of a rock or soil that is independent of interparticle friction. In soils, true cohesion is caused by one of three things: Electrostatic forces in stiff overconsolidated clays (which may be lost through … Wikipedia
