Well logging is a process where a probe is dropped into a well to measure soil composition, map area, or provide other relevant information. Borehole logs record all borehole results, and companies use them to determine if an area contains target minerals. Well logging instruments measure radioactivity, electric currents, electromagnetic waves, and acoustic activity. The information recorded on the well log travels digitally to the company office. Environmental and geotechnical companies use well logging to measure rock formations, water depth, sediment types, and densities. Many companies specialize in well logging and travel from site to site.
Well logging, or well logging, is a process in which a probe is dropped into a well prior to drilling for oil, gas, water or minerals. Well logging is also done by environmental organizations, as part of an environmental or geotechnical study. Well logging probes can measure soil composition, map area, or provide other relevant information. Well logging produces a highly detailed description of the area.
A borehole log is a log that records all borehole results. There are two ways to calculate the results. A geological record refers to the process of bringing samples to the soil surface for study. A geophysical log is a log created by a special probe lowered into the borehole that collects information passively.
Companies that mine minerals from underground often use the hole log to determine if the area contains the target minerals. The log measures both fluid and rock underground, which the company can interpret to determine how much oil or gas is in the area.
Well logging instruments are very sensitive and can measure radioactivity, electric currents, electromagnetic waves and acoustic activity. Hole logging typically occurs from the bottom of the well to the top. The probe is lowered into the well, and when the probe is pulled out, it takes measurements to create a geophysical record. Geophysical logging is considered to be more accurate, because geological measurements are made on site.
The information recorded on the well log never makes it to the top of the hole; instead, it travels digitally to the company office. The company will use the data compiled in the hole log to determine whether an area has oil or gas reserves and whether it is worth drilling. The mining industry is not the only industry that uses well drilling. Environmental and geotechnical companies use well logging to measure rock formations and features, the thickness of various formations, depressions in underground rocks, the location of any fractures, water depth, sediment types and densities, and temperature.
Some mining and environmental companies do their own logging, others outsource the project. Many companies specialize in well logging and travel from site to site ahead of the main work crew performing well logging. The required equipment and experience make it difficult for a small landowner or interested individual to carry out logging. These folks typically hire a consultant if they want drill logs.
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