Drilling

Drilling

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

Contributors in Drilling

Drilling

Pertaining to a sedimentary rock, such as sandstone or limestone, that contains only minimal amounts of clay minerals. Clean reservoir rocks typically have better porosity and permeability than dirty ...

hygroscopic

Oil & gas; Drilling

Pertaining to a property of a substance that allows the substance to take up water from the surrounding atmosphere. Many materials used in drilling muds are hygroscopic, for example, high-purity ...

chrome-free

Oil & gas; Drilling

Pertaining to a mud additive (usually lignosulfonate or lignite) that does not contain any chromium compounds.

elastic

Oil & gas; Drilling

Pertaining to a material that can undergo stress, deform, and then recover and return to its original shape after the stress ceases. Once stress exceeds the yield stress or elastic limit of a ...

plastic

Oil & gas; Drilling

Pertaining to a material that can deform permanently without rupturing.

organophilic

Oil & gas; Drilling

Pertaining to a material that associates with organic and oily surfaces and liquids and rejects aqueous systems. An example of organophilic behavior in drilling fluids is the organophilic coating ...