CHAPTER 2 PART 1 Flashcards
Lifts equipment and
drillstrings up and down
A wire rope called the
drilling line is spooled
around the drum
Drawworks:
an assembly of sheaves (or
pulleys) over which the drilling
line is reeved
mounted on beams at the top
of the derrick
Crownblock:
an arrangement of
pulleys through which the
drilling line is reeved
Travelling Block:
A large hook with a snap-shut
locking device suspended from
the travelling block
Used to suspend the drillstring
Drilling Hook
A set of clamps used when
running or pulling the drillstring or
casing into or out of the hole
connected to the travelling block.
Elevators:
a heavy-duty wire rope made out of six strands of
improved plow steel
7/8 to 2 inches in diameter
Drilling Line
Part of the drilling line reeled to the drawworks
travels with greater velocity than any other portion of the
line
Fastline
that part of the drilling line between the crown block and
the deadline anchor
remains stationary as the travelling block is hoisted
Deadline
securely fastens the deadline to the mast or derrick
substructure
Deadline anchor
the travelling block is lowered to the
drillfloor; (2) the dead line anchor is unclamped, and (3) some
of the reserve line is threaded through the sheaves on the
travelling block and crown block onto the drawworks drum
Slip operation-
done if the drawworks drum is full;
(1) the travelling block is lowered to the drillfloor; (2) the dead
line anchor is unclamped, and (3) the line on the drawworks is
unwound and discarded before the reserve line is threaded
through the system onto the drawworks drum
Slip and cut operation
located at the start of the circulating system near the mud pumps
where drlling fluid is initially prepared, and maintained depending on
well bore conditions
Preparation Area
specialized equipment for moving the drilling fluid from the
preparation area down the borehole and back to the active mud pit
Circulating Equipment
Station dedicated for decontaminating and conditioning drilling fluids
brought out of the well bore
Conditioning Area
A large tank holding DF on the rig or at a mud-mixing plant;
(Active) Mud Pit/ Mud Tank
A mud-flow device for funneling materials
are put into the circulating mud system;
Mud Mixing Hopper/ Mud Hopper/ Jet
Hopper
a drilling mud filled open steel or
earthen berm tank that is not stirred
or circulated;
Settling Tank/ Settling Pit
Small compartment, normally
adjacent to the suction
compartment, used to mix
special fluids to pump downhole;
Slug Tank
A small pit, typically located
immediately after the shaker
screens, which is used as a settling
pit to separate coarser solids that
accidentally bypass the shakers;
Sand Trap
Used for mixing special
chemicals like caustic soda
(sodium hydroxide) before it is
placed in the active mud tank
Chemical Tank
Positive displacement type
pumps are used (reciprocating
pistons) to deliver the high
volumes and high pressures
required to circulate mud through
the drillstring and up the annulus;
Mud Pumps
Line connecting the pump to a
series of tubulars and equipment
to feed drilling fluids into the
wellbore.
Discharge Line
