drilling head

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• 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 — For other uses, see Drilling (disambiguation). Drilling is a cutting process that uses a drill bit to cut or enlarge a hole in solid materials. The drill bit is a multipoint, end cutting tool. It cuts by applying pressure and rotation to the… …   Wikipedia

• Drilling rig (petroleum) — The equipment associated with a rig is to some extent dependent on the type of rig but typically includes at least some of the following items: #Mud tank #Shale shakers #Suction line (mud pump) #Mud pump #Motor or power source #Vibrating hose… …   Wikipedia

• drilling hammer — noun : a stonecutter s hammer having a flat square face at each end of the head for striking rock drills …   Useful english dictionary

• Blowout (well drilling) — A blowout is the uncontrolled release of crude oil and/or natural gas from an oil well or gas well after pressure control systems have failed.[1] Prior to the advent of pressure control equipment in the 1920s, the uncontrolled release of oil and… …   Wikipedia

• Underbalanced drilling — Underbalanced drilling, or UBD, is a procedure used to drill oil and gas wells where the pressure in the wellbore is kept lower than the fluid pressure in the formation being drilled. As the well is being drilled, formation fluid flows into the… …   Wikipedia

• Indexing head — and tailstock set up on a milling machine s table. An indexing head, also known as a dividing head or spiral head,[1] is a specialized tool that allows a workpiece to be circularly indexed; that is, easily and precisely rotated to preset angles… …   Wikipedia

• List of components of oil drilling rigs — This article lists the main components of a petroleum onshore drilling rig. Offshore drilling rigs have similar elements, but are configured with a number of different drilling systems to suit drilling in the marine environment. The equipment… …   Wikipedia

• Die head — with various chasers A die head is a threadi …   Wikipedia

• Paper drilling — is a technique used in trade binderies for providing large quantities of paper with round holes. The paper can be processed as loose leafs and in brochures (stitched, perfect bound). The holes usually serve for storage (filing), sometimes for… …   Wikipedia

• Casing head — A [http://www.glossary.oilfield.slb.com/Display.cfm?Term=casinghead Casing head] is a large metal flange welded or screwed onto the top of the conductor pipe (also known as drive pipe ) or the casing and is used to bolt the surface equipment to.… …   Wikipedia