drill cuttings

См. также в других словарях:

• Drill cuttings — Drill cuttings[1] are the broken bits of solid material removed from a borehole drilled by rotary, percussion, or auger methods. Boreholes drilled in this way include oil or gas wells, water wells, and holes drilled for geotechnical… …   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

• Down-the-hole drill — A Down The Hole Drill Called DTH in most drilling terms. The down the hole drill is basically a mini jack hammer that screws on the bottom of a drill string. The fast hammer action breaks hard rock into small flakes and dust and is blown clear by …   Wikipedia

• Drifter (drill) — A Drifter is either a hydraulic or pneumatic powered rock or ground drill placed on top of a feed. The feed is like a rail that the drill travels on, aka. drifts. This kind of drilling procedure is also called drifting. The feed is usually… …   Wikipedia

• Drilling rig — For a detailed diagram of a Petroleum drilling rig, see List of components of oil drilling rigs. Drilling rig preparing rock blasting …   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

• 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

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

• tunnels and underground excavations — ▪ engineering Introduction        Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …   Universalium

• pneumatic device — Any of various tools and instruments that generate and use compressed air. Examples include rock drills, pavement breakers, riveters, forging presses, paint sprayers, blast cleaners, and atomizers. Compressed air power is flexible, economical,… …   Universalium

• Annulus (oil well) — The annulus [http://www.glossary.oilfield.slb.com/Display.cfm?Term=annulus] (yellow area in diagram) of an oil well refers to any void between any piping, tubing or casing and the piping, tubing or casing immediately surrounding it. The presence… …   Wikipedia