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DTH drill tool operated with drilling mud (Drillstar MUDHammer) A down-the-hole drill, usually called DTH by most professionals, is basically a jackhammer screwed on the bottom of a drill string. The fast hammer action breaks hard rock into small cuttings and dust that are evacuated by a fluid (air, water or drilling mud). The DTH hammer is one ...
Drill bit (#26) is a device attached to the end of the drill string that breaks apart the rock being drilled. It contains jets through which the drilling fluid exits. Drill floor (#21) is the area on the rig where the tools are located to make the connections of the drill pipe, bottom hole assembly, tools and bit. It is considered the main area ...
Drilling the Bakken Formation in the Williston Basin Large hole drilling rig for blast-hole drilling. A drilling rig is an integrated system that drills wells, such as oil or water wells, or holes for piling and other construction purposes, into the earth's subsurface.
In 2006, Dream began to use Koreasat 5 as an additional main broadcast to the existing Agila II satellite transponder. Starting 2010 until 2011, Dream closed all of the transponders of Agila II (ABS-5/ABS-3) for its main broadcast, due to the fact that it was only 2 years left in the orbit. When all of the Dream Satellite channels were transferred to Koreasat 5, Dream announced customers
It is typically used in hydrocarbon drilling operations, but also geothermal or water wells drilling. This device is typically composed of a body connected to the drillstring , and of mobile parts ("arms", "blocks" or "blades", typically 3 of them) retracted in the body during the descent and extended downhole for the reaming operation.
Sky Direct (stylized as SKYdirect) was a direct-broadcast satellite subscription television service in the Philippines owned and operated by Sky, a subsidiary of ABS-CBN Corporation. Sky Cable had been eyeing for a DBS service and considered on acquiring Dream Satellite TV from Antonio O. Cojuangco, Jr.
DTH may refer to: The Daily Tar Heel, University of North Carolina student newspaper; Dance Theatre of Harlem, New York City; Danmarks Tekniske Højskole, a previous name for the Technical University of Denmark; Furnace Creek Airport, IATA code; Dekatherm, Dth, 10 therms: unit of heat; Delayed type hypersensitivity, an immune system response
Producing boreholes with wide range of diameters or drilling in water environment can be mentioned. The research team from Slovakia has developed drilling concept based on utilization of electrical plasma. The core of the research is held in Research Centre for Deep Drilling which was opened in the premises of Slovak Academy of Sciences.