What are the parts of a rig?
Major components of the rig include the mud tanks, the mud pumps, the derrick or mast, the drawworks, the rotary table or top drive, the drillstring, the power generation equipment, and auxiliary equipment.
What is a rotary rig?
What is a rotary rig? A rotary rig rotates the drill pipe from surface to drill a new well (or sidetracking an existing one) to explore for, develop and produce oil or natural gas. For example, coiled tubing and workover rigs employed in drilling new wells are included in the count.
What is the top of a drilling rig called?
Casing head (#27) 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 such as the blowout preventers (for well drilling) or the Christmas tree (oil well) (for well production).
What is cable tool method?
1. n. [Drilling] A method of drilling whereby an impact tool or bit, suspended in the well from a steel cable, is dropped repeatedly on the bottom of the hole to crush the rock. The tool is usually fitted with some sort of cuttings basket to trap the cuttings along the side of the tool.
What is the difference between cable tool drilling and rotary drilling?
Although it is a slower drilling method, the cable tool is less costly and simpler to operate than a rotary drill rig and is suitable for most geologic conditions. Additional cables called sand lines or casing lines are used to raise and lower casing, bailers, plungers, or other tools.
What does spud mean in drilling?
well
Spudding is the process of beginning to drill a well in the oil and gas industry. A larger drill bit is initially used to clear a surface hole, which is then lined with casing and cement to protect groundwater.
What does a Spudder do?
a person who prepares and operates a rig for drilling oil wells. a light drilling rig used chiefly in beginning a well.
What is a kelly rig?
A kelly drive is a type of well drilling device on an oil or gas drilling rig that employs a section of pipe with a polygonal (three-, four-, six-, or eight-sided) or splined outer surface, which passes through the matching polygonal or splined kelly (mating) bushing and rotary table.