Oil and Gas Terms Beginning with “B” — Page 2

The Bingham plastic model is a two-parameter rheological model that describes the flow behavior of many drilling fluids used in oil and gas well construction. Developed by Eugene Cook Bingham in the early twentieth… Read more →

Biot theory is the foundational mathematical framework describing how acoustic waves propagate through a porous, fluid-saturated elastic solid. Developed by Belgian-American physicist Maurice Anthony Biot and published… Read more →

The vertical storage area in the derrick for tubular stands, with rows of mounting pegs for each stand referred to as alligator teeth. Read more →

A crossover sub inserted between the drill collar and the bit. Read more →

What Is Blaine Fineness? Blaine fineness (also called Blaine specific surface area or air-permeability fineness ) is a measure of the total particle surface area per unit mass of Portland cement powder, expressed in… Read more →

The stacked arrangement of well control equipment including annular preventers, ram preventers, diverter spools, valves, and nipples. Also known as BOP Stack. Read more →

A closed vessel in which water or other fluid is heated for various processes. Read more →

Bolts placed through a pin that prevents the pin from sliding out of the hole. Read more →

One of a number of possible distributions that may occur when the results of events are plotted. Boltzmann distributions were originally described from theoretical consideration on the probable interactions of… Read more →

A dimensionless group used in analysis of fluid flow that characterizes the ratio of gravitational forces to surface or interfacial tension forces. It is usually denoted Nb in the oil field and Bo in chemical… Read more →

The development of a reservoirmodel by the use of objects. Reservoir models may be developed by adding together a series of objects (such as channel belts) in a fashion that honors the well data (logs, cores, etc.) and… Read more →

A method of analyzing the response of an inductionlogging tool that considers the contribution of each element of the formation as a perturbation from the average background conductivity. The development of the solution… Read more →

The portion of the drilling assembly below the drill pipe, potentially including bits, collars, jars, and stabilizers. Also known as BHA. Read more →

What Is a Bouguer Anomaly? Bouguer anomaly (also called the complete Bouguer anomaly or terrain-corrected Bouguer anomaly ) is the residual gravity signal that remains after applying a standard sequence of corrections… Read more →

What Is the Bouguer Correction? Bouguer correction (also called the Bouguer slab correction or Bouguer reduction ) is a gravitational correction applied to raw surface gravity measurements to remove the downward… Read more →

What Is a Bouma Sequence? Bouma sequence (also called a turbidite bed or Bouma cycle ) is the characteristic vertical succession of sedimentary structures deposited by a single waning turbidity current event, first… Read more →

The female end of a tool joint with internal threads inside. Read more →

A principle of physics stating that the product of pressure and volume divided by the temperature is a constant for an ideal gas. It is a good approximation for many real gases, such as helium, over reasonable ranges of… Read more →

What Is the Boyle's Law Double-Cell Method? Boyle's Law double-cell method (also called the double-cell porosimeter method or pore volume expansion method ) is a laboratory core analysis technique for measuring the pore… Read more →

What Is the Boyle's Law Single-Cell Method? Boyle's Law single-cell method (also called the helium porosimeter method or gas expansion method ) is a laboratory core analysis technique for measuring the grain volume of a… Read more →

The part of the brake mechanism consisting of a flexible steel band lined with a material that grips a drum. Read more →

Large wrench-like tool suspended from the derrick on the mud tank side of the rotary table for breaking torque. Read more →

A cable used to pull the derrick into the upright position. Read more →

A system for color-coding three-dimensional information. This system is used in wireline log analysis to provide color shading in which the final color is determined by the values of three curves. One curve dictates the… Read more →

What Is a British Thermal Unit (BTU)? British thermal unit (BTU) (also called Btu or BTU/hr in heating contexts) is the imperial unit of heat energy defined as the quantity of heat required to raise the temperature of… Read more →

What Is a Brookfield Viscometer? Brookfield viscometer (also called a Brookfield rotational viscometer or Brookfield rheometer ) is a rotational viscometer that measures the apparent viscosity of fluids by quantifying… Read more →

The motion of atoms and molecules in fluids due to the temperature of the fluid. The motion appears to be random, but is described by the relationships derived by Brown. Read more →

Protective timbers or rubber blocks positioned below the crown to act as a cushion. Read more →

A tool used to hook into each table bushing insert to remove or set them in the rotary table. Read more →

A set of split wedged inserts that fit into the rotary table that help force the slips to grip the tubular. Read more →