Drilling Fluid and Cementing Technology in Oil & Gas Drilling
Drilling Fluid and Cementing
Technology
Oil & Gas
drilling
The BIT
•
Rotary drill bit
designed to
crush rock
•
Carbide or
diamond
impregnated
steel
Drilling Mud
•
Crushed rock has to get
out of the hole, also the
hole must be supported –
use drilling mud to do
both
•
Can use air, water, water
with additives (clays,
chemicals to affect
viscosity and heat
transfer), oil, and
synthetic fluids
Drill String
•
Combined term for the
bit, the drill stem
(hollow, turns the bit and
pushes fluid down),
annulus (outside the
stem where the mud
comes up), and drill
collar (weight to ‘push’
bit down into the rock)
Well casing
•
Casing is the tube (often steel) that is sealed
to the borehole with cement – prevents
leakage (in or out) and strengthens the hole
Derrick / Platform
•
Working area for all drill operations, on land
or at sea, engines, equipment, casing and
string storage
•
Derrick is the part sticking up that feeds
casing/string down the borehole
•
Also contains the machines for turning the
drill string and bit, injecting and collecting the
mud
Striking Oil
•
What happens when the bit finally breaks
through the capping formation and into the
reservoir rock at an oil & gas trap?
Blowout preventer
•
Device to control and stop erratic pressures
and prevent a blowout
Explore the essential components of oil and gas drilling, including the rotary drill bit, drilling mud, drill string, well casing, derrick/platform, striking oil process, and blowout preventer. Learn about the techniques and equipment used in the drilling process to extract oil and gas efficiently.
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Presentation Transcript
Drilling Fluid and Cementing Technology
Oil & Gas drilling
The BIT Rotary drill bit designed to crush rock Carbide or diamond impregnated steel
Drilling Mud Crushed rock has to get out of the hole, also the hole must be supported use drilling mud to do both Can use air, water, water with additives (clays, chemicals to affect viscosity and heat transfer), oil, and synthetic fluids
Drill String Combined term for the bit, the drill stem (hollow, turns the bit and pushes fluid down), annulus (outside the stem where the mud comes up), and drill collar (weight to push bit down into the rock)
Well casing Casing is the tube (often steel) that is sealed to the borehole with cement prevents leakage (in or out) and strengthens the hole
Derrick / Platform Working area for all drill operations, on land or at sea, engines, equipment, casing and string storage Derrick is the part sticking up that feeds casing/string down the borehole Also contains the machines for turning the drill string and bit, injecting and collecting the mud
Striking Oil What happens when the bit finally breaks through the capping formation and into the reservoir rock at an oil & gas trap?
Blowout preventer Device to control and stop erratic pressures and prevent a blowout
