- drill rate
- <petr> ■ Bohrfortschritt m ; Bohrgeschwindigkeit f
English-german technical dictionary. 2013.
drill rate
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Rate of penetration — The Rate of penetration, abbreviated as ROP as used in the drilling industry, is the speed at which a drill bit breaks the rock under it to deepen the borehole. Also known as penetration rate or drill rate. It is normally measured in feet per… … Wikipedia
Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry … Wikipedia
Drill — For other uses, see Drill (disambiguation). Drill scheme A drill or drill motor is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for drilling holes in various materials or… … Wikipedia
Drill string — A drill string on a drilling rig is a column, or string, of drill pipe that transmits drilling fluid (via the mud pumps) and torque (via the kelly drive or top drive) to the drill bit. The term is loosely applied as the assembled collection of… … Wikipedia
Exhibition drill — is a modified routine that involves complex marching sequences that usually deviate from standard drill. Teams performing exhibition drill are often affiliated with military units, but the scope of exhibition drill is not limited to the Military… … Wikipedia
Seed drill — A seed drill is a device for planting seeds in the soil. Before the introduction of the seed drill, the common practice was to broadcast seeds by hand. Besides being wasteful, broadcasting was very imprecise and led to a poor distribution of… … Wikipedia
Foot drill — “Troops who march in an irregular and disorderly manner are always in great danger of being defeated.” Vegetius: De Re Militari , circa A.D. 375 390A Foot Drill is an essential part of the military training regimen of today s armed forces. Foot… … Wikipedia
grain drill — machine for planting seed at a controlled depth and in specified amounts. The earliest known version, invented in Mesopotamia (Mesopotamia, history of) by 2000 BC, consisted of a wooden plow equipped with a seed hopper and a tube that… … Universalium
Mud logging — Mud log in process. Well logging Gamma ray logging Spontaneous potential logging Resistivity logging Density logging … Wikipedia
Mud log — A Mud log is a graphical representation of the ROP (Rate Of Penetration), lithology, hydrocarbons and other drilling parameters generated while drilling an oil well. The act of gathering this information is considered mud logging and is done by… … Wikipedia
Oil well control — is the management of the dangerous effects caused by unexpected high pressures upon surface equipment of oil or gas drilling rigs. Technically, oil well control involves preventing Formation fluid, usually referred to as kick, from entering into… … Wikipedia
