Archives: Glossary Terms

Skin effect is a dimensionless parameter used in petroleum engineering to describe the condition of the near-wellbore region. It represents an additional pressure drop (or…

Coiled Tubing (CT) is a continuous, spoolable string of small-diameter steel or composite pipe used for a wide variety of well intervention and stimulation operations…

A breaker is a chemical additive used in hydraulic fracturing and stimulation operations to degrade the viscosity of a gelled fracturing fluid after the proppant…

A crosslinker is a chemical additive used in hydraulic fracturing fluids to create a network of bonds between individual polymer chains, significantly increasing the fluid’s…

Fracture fluid is a specialized liquid or foam mixture injected into a wellbore at high pressure to create and propagate fractures in a reservoir rock…

Proppant is a granular material, typically sand, ceramic beads, or resin-coated particles, that is pumped into a well during hydraulic fracturing (fracing) operations to prop…

Fracture acidizing is a well stimulation technique that combines hydraulic fracturing with acid treatment to create and enhance conductive flow paths in carbonate reservoirs (limestone,…

Matrix Acidizing is a well stimulation technique used in the oil and gas industry to enhance formation permeability and restore or increase hydrocarbon production. Unlike…

Acidizing is a well stimulation technique used in oil and gas operations to increase the flow of hydrocarbons into the wellbore. The process involves injecting…

Directional drilling is a specialized technique in the oil and gas industry where the wellbore is intentionally deviated from vertical to reach a specific subsurface…

Underbalanced drilling (UBD) is a specialized drilling technique in which the hydrostatic pressure of the drilling fluid column is intentionally maintained below the pore pressure…

A top drive is a critical piece of drilling equipment mounted at the top of the derrick or mast on a drilling rig. It replaces…