Oil & gas

Oil & gas

Terms concerning oil and gas as a fossil fuel and natural resource.

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Oil & gas > Drilling

bridge

Oil & gas; Drilling

The gangplank or stairway connecting a jackup rig to a fixed platform.

aggregation

Oil & gas; Drilling

The formation of groups or clusters of particles (aggregates) in a fluid. In water or in water-base drilling fluid, clay particles form aggregates in a dehydrated, face-to-face ...

precipitation

Oil & gas; Drilling

The formation of an insoluble material in a fluid. Precipitation can occur by a chemical reaction of two or more ions in solution or by changing the temperature of a saturated ...

tensile strength

Oil & gas; Drilling

The force per unit cross-sectional area required to pull a substance apart.

shear stress

Oil & gas; Drilling

The force per unit area required to sustain a constant rate of fluid movement. Mathematically, shear stress can be defined as: If a fluid is placed between two parallel ...

shut-in bottomhole pressure

Oil & gas; Drilling

The force per unit area exerted at the bottom of a wellbore when it is closed at either the Christmas tree or the BOP stack. The SIBP is generated by a combination of the ...