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2. Well test (oil and gas) - Wikipedia

   en.wikipedia.org/wiki/Well_test_(oil_and_gas)

   Professionals working with reservoir modelling may get information about the rock permeability from core samples. Other sources of information to the model are well log data and seismic data, but such data are complementary only, and for example, seismic data is insufficient to interpret whether a structural trap has been sealed. Information ...

3. Core sample - Wikipedia

   en.wikipedia.org/wiki/Core_sample

   Rock core samples, the product of a diamond rig. A pied butcherbird perches nearby. A core sample is a cylindrical section of (usually) a naturally-occurring substance. Most core samples are obtained by drilling with special drills into the substance, such as sediment or rock, with a hollow steel tube, called a core drill. The hole made for the ...

4. List of components of oil drilling rigs - Wikipedia

   en.wikipedia.org/wiki/List_of_components_of_oil...

   Drill bit (#26) is a device attached to the end of the drill string that breaks apart the rock being drilled. It contains jets through which the drilling fluid exits. Drill floor (#21) is the area on the rig where the tools are located to make the connections of the drill pipe, bottom hole assembly, tools and bit. It is considered the main area ...

5. List of oilfield service companies - Wikipedia

   en.wikipedia.org/wiki/List_of_oilfield_service...

   Oilfield service companies may produce, maintain, and repair equipment used in oil extraction and oil transportation. [1] In 2019, the global oilfield services market was US $ 267.8 billion. [ 2 ]

6. Ice core - Wikipedia

   en.wikipedia.org/wiki/Ice_core

   Ice core sample taken from drill. An ice core is a core sample that is typically removed from an ice sheet or a high mountain glacier.Since the ice forms from the incremental buildup of annual layers of snow, lower layers are older than upper ones, and an ice core contains ice formed over a range of years.

7. Well drilling - Wikipedia

   en.wikipedia.org/wiki/Well_drilling

   Well drilling can be done either manually or mechanically and the nature of required equipment varies from extremely simple and cheap to very sophisticated. Managed Pressure Drilling (MPD) is defined by the International Association of Drilling Contractors (IADC) as “an adaptive drilling process used to more precisely control the annular ...