Page 5 - A Primer of Oilwell Service and Workover Completion
P. 5
. The beam pumping unit . A drill stem test tool records . A hydraulic ram raises
Petroleum Extension-The University of Texas at Austin
is a familiar sight in oil pressure and samples the the mast to the vertical
country. formation fluid. position.
. Gears transfer power from . A driller’s log . A doubles rig is tall and
the prime mover and slow . A core is a cylinder of rock strong enough for stands
the fast rotating motion of a few inches in diameter of two joints screwed
the prime mover to a more drilled from deep in the together.
correct pumping speed. earth. . Guy lines from mast to
. A steel sucker rod has a flat . An acoustic log is a curved carrier and from mast to
section where a wrench can line that moves horizontally anchors in the ground
grip it and a threaded pin to show the speed of the stabilize the mast.
on each end. sound waves and vertically . A pole mast and a
. A sucker rod coupling to show depth. structural mast
connects the rod pins to . This acoustic sonde has . A truck-mounted rig
make up a string of sucker one transmitter and two . A tractor pulls a trailer rig
rods. receivers. carrying prime movers.
. A sucker rod pump at the . An SP log and a resistivity . A back-in carrier rig’s cab is
bottom of the sucker rod log opposite the bottom of the
string lifts the reservoir . Calipers measure the mast.
fluids to the surface. diameter of the open hole, . A drive-in carrier unit’s cab
. A soft-packed plunger has tubing, or casing. is on the same end as the
rubber or fabric rings . A dipmeter survey shows bottom of the mast.
around a metal mandrel. where and how much the . Rigs designed to be moved
. Plunger movement in a formation dips in relation by helicopter can be broken
sucker rod pump to the wellbore. down into component
. A gas anchor is attached to . A perforation depth control packages.
the bottom of a sucker (PDC) log . The mast on this slant-hole
rod pump. rig is tilted to °, its
. Insert and tubing pumps maximum tilt.
. Single-stage electric . Gas-cap drive . Offshore service and work-
submersible pump . Water can bypass oil in the over rig
. Impeller blades in a reservoir by fingering. . This coiled tubing unit
submersible pump . Several reservoirs may be is mounted on a trailer.
. An open hydraulic system stacked. . Rope or chain wrapped
has surface and downhole around the catheads is
components. attached to manual
. A downhole hydraulic . A small, light-duty unit tongs.
pump . A medium-duty unit . A chain or a line from the
. Gas lift valves are installed . A large, heavy-duty unit cathead attaches to a long
in the tubing at various . The mast is in the horizontal, handle on manual tongs
depths. to make up and break out
or headache, position while
being transported. pipe.