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Oil & gas
Terms concerning oil and gas as a fossil fuel and natural resource.
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Oil & gas > Oilfield 
azimuthal laterolog
Oil & gas; Oilfield
A type of electrode device that is able to measure resistivity in different directions around the sonde. In most laterologs, the electrodes are cylinders that average the ...
closed-chamber testing
Oil & gas; Oilfield
A type of drillstem testing conducted with the drillstring in the hole and the surface valve closed to create a closed chamber of known volume into which the reservoir fluid can ...
compression-set packer
Oil & gas; Oilfield
A type of downhole packer that is activated or set by applying compressive force to the packer assembly. In most cases, this is achieved with set-down weight from the running ...
retrievable bridge plug
Oil & gas; Oilfield
A type of downhole isolation tool that may be unset and retrieved from the wellbore after use, such as may be required following treatment of an isolated zone. A retrievable ...
flow after flow
Oil & gas; Oilfield
A type of deliverability test conducted in gas wells to generate a stabilized gas deliverability curve (IPR). In a flow-after-flow test, a well flows under a constant rate until ...
wettability change
Oil & gas; Oilfield
A type of damage in which the formation wettability is modified, generating a change in relative permeability that eventually affects well productivity. Surfactants or other ...
organic deposit
Oil & gas; Oilfield
A type of damage in which heavy hydrocarbons precipitate when temperature or pressure is reduced. These deposits are commonly located in the tubing, gravel pack and perforations, ...
Sub-categories
- corrosion inhibition (0)
- Downhole (49)
- Drilling (9514)
- Environmental management (93)
- Fuel handling (16)
- Horizontal directional drilling (7)
- Offshore oil exploration (2047)
- Oil (4406)
- Oil & gas instrumentation (856)
- Oilfield (22159)
- Pipeline related (90)