Page 15 - The Rotary Rig and Its Components

GLOSSARY

Petroleum Extension-The University of Texas at Austin

Index

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Throughout this index, f indicates a figure on back pressure, 72, 73. See also pressure.
that page. bail, 28, 28f
barite, 54
AC. See alternating current (AC). bentonite, 54
accumulators, 69–70, 69f, 75 bits
active pits, 80 circulating system and, 51, 52f, 57
adjustable choke, 71, 72, 72f drill collars and, 46
afternoon tour, 90 in the drilling process, 49
agitators (mud tank), 56 in the drill stem, 44f
air as drilling fluid, 55 fixed cutter, 48, 48f
air compressors, 79, 84 jet, 47f
overview of, 47, 50, 62
air hoist, 23, 23f roller cone, 47, 47f
air pumps, 79 rotating system and, 34f
air slips, 79 blind ram blowout preventer, 65, 67f
alternating current (AC), 12, 13f, 14, 78f, 79 blind-shear ram blowout preventer, 67, 68f
anchor. See deadline anchor. blocks, 25, 32. See also crown block; traveling block.
annular preventers, 65, 65f, 66, 66f blowout, 64f. See also well-control equipment.
annular space, 51, 53f, 56, 57 gas-cut muds and, 61, 80
antifreeze, 69 underbalanced drilling and, 55
aquifers, 49 well-control equipment and, 63
assistant driller, 87. See also derrickhands. blowout preventer (BOP). See also safety; well-
attapulgite, 54 control equipment.
automated tongs, 22 accumulators, 69–70
automatic catheads, 10f, 22 air compressors and, 79
auxiliary brake, 10f, 24, 24f annular, 66, 66f
auxiliary equipment in the lower kelly cock, 41
air compressors, 79 overview of, 65, 65f, 75
choosing, 77 ram, 65f, 67–68, 67f, 68f
degassers, 80 remote control panels for, 70f
desanders, 81 substructure and, 18
desilters, 81 BOP. See blowout preventer (BOP).
drilling instruments, 82, 82f borehole. See wellbore.
electric generators, 78–79, 78f bottomhole pressure, 55
for mud treatment, 80 box, 46, 46f, 47

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