Drilling

Drilling

Of or relating to the penetration of the Earth's surface in order to extract petroleum oil.

Industry: Oil & gas

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Drilling

fines

Oil & gas; Drilling

In a broad sense, very small particles, either in a mud or a mud additive sample.

Hydroxypropyl starch is a derivative of natural starch, used primarily for fluid-loss control in drilling muds, drill-in, completion and workover fluids. Being nonionic, it is only slightly affected ...

pH

Oil & gas; Drilling

Hydrogen ion potential, which is the log 10 of the reciprocal of hydrogen ion, H + , concentration. Mathematically, pH = log 10 (1/(H + )), where ( ) represents mole/L. PH is derived from the ...

concentric

Oil & gas; Drilling

Having the same center, such as when the casing and the wellbore have a common center point and, therefore, a uniform annular dimension.

zero-zero gels

Oil & gas; Drilling

Gel strengths that are very low, with both values near zero, when measured at 10 seconds and 10 minutes according to standardized test procedures. Settling of barite and cuttings may occur in a ...

portland cement clinker

Oil & gas; Drilling

Hard granular nodules composed essentially of hydraulic calcium silicates, with smaller quantities of calcium aluminates and ferrites. Portland cement clinker is produced by the heat treatment of ...

gas show

Oil & gas; Drilling

Gas that rises to the surface, usually detected because it reduces the density of the drilling mud. Gas detectors, which the mud logger monitors, measure combustible gases (methane, ethane, butane ...