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Sonic logging is a well logging tool that measures the seismic velocity of formations and can be used to calculate porosity, confining stress, or pore pressure. Learn about the process, accuracy, and applications of sonic logging in hydrocarbon exploration and mineral exploration.
Crosshole sonic logging (CSL) is a method to determine 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 shaft inside of the rebar cage.
Spectral noise logging (SNL) is an acoustic noise measuring technique used in oil and gas wells for well integrity analysis, identification of production and injection intervals and hydrodynamic characterisation of the reservoir. SNL records acoustic noise generated by fluid or gas flow through the reservoir or leaks in downhole well components.
Learn how to determine the ability of a borehole to produce petroleum using various tools and techniques. Find out the challenges and methods of well cuttings examination, coring, mud logging, and other well logging processes.
Logging while drilling (LWD) is a technique of conveying well logging tools into the well borehole as part of the bottom hole assembly (BHA). LWD measures properties of a formation while drilling, such as gamma ray, density, resistivity, sonic, and formation pressure.
Well logging is the practice of making a detailed record of the geologic formations penetrated by a borehole. Learn about the different types of well logs, how they are used in various industries, and how they evolved from the invention of electric well logging in 1927.
Learn about gamma ray logging, a method of measuring natural gamma radiation to characterize rock or sediment in a borehole. Find out how it works, what it measures, and how it is used in mining, exploration, and oil and gas drilling.
A pile integrity test is a method for assessing the condition of piles or shafts using low-strain dynamic testing. It measures pile length, head stiffness and shaft mobility, and can detect defects such as cracks, voids or reductions in section.