mud column

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• Mud logging — Mud log in process. Well logging Gamma ray logging Spontaneous potential logging Resistivity logging Density logging …   Wikipedia

• Column — For other uses, see Column (disambiguation). National Capitol Columns at the United States National Arboretum in Washington, D.C …   Wikipedia

• mud stalagmite —    1. Stalagmitic column made of mud or clay with about 30% calcium carbonate cement. There may be some coarse noncalcareous detritus in the core of such a column [20].    2. Stalagmite composed principally of clay or sandy clay and commonly less …   Lexicon of Cave and Karst Terminology

• Drilling mud — In geotechnical engineering, drilling mud, also known as spud mud (when beginning the drilling process), is a drilling fluid used to drill boreholes into the earth. Often used while drilling oil and natural gas wells and on exploration drilling… …   Wikipedia

• Winogradsky column — The Winogradsky Column is a simple device for culturing a large diversity of microorganisms. Invented by Sergei Winogradsky, the device is a column of pond mud and water mixed with a carbon source such as newspaper (containing cellulose) or egg… …   Wikipedia

• Bay mud — consists of thick deposits of soft, unconsolidated silty clay, which is saturated with water; these soil layers are situated at the bottom of certain estuaries, which are normally in temperate regions that have experienced cyclical glacial cycles …   Wikipedia

• Eruption column — over Mount Pinatubo in the Philippines An eruption column consists of hot volcanic ash emitted during an explosive volcanic eruption. The ash forms a column rising many kilometres into the air above the peak of the volcano. In the most explosive… …   Wikipedia

• stiff-mud process — noun : a brickmaking process in which a stiff mixture of water and clay is extruded in a continuous column through a die and individual bricks are cut by wires from the column as it emerges compare soft mud process …   Useful english dictionary

• drilling mud — a water based or oil based suspension of clays pumped into an oil well during drilling in order to seal off porous rock layers, equalize the pressure, cool the bit, and flush out the cuttings. Also called drilling fluid. * * * ▪ excavation… …   Universalium

• Formation evaluation — In petroleum exploration and development, formation evaluation is used to determine the ability of a borehole to produce petroleum. Essentially, it is the process of recognizing a commercial well when you drill one .Modern rotary drilling usually …   Wikipedia

• Drilling fluid — This article is about fluids used when drilling a well. For fluids used with drill bits during metal working, see cutting fluid. Driller pouring a foaming agent down the rod string on a drilling rig In geotechnical engineering, drilling fluid is… …   Wikipedia