文档介绍：TAMU - Pemex Offshore Drilling
Lesson 5A
The Drilling Riser
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Lesson 5A - The Drilling Riser
ponents
Riser Tensioning
Fatigue
Kill/Choke Lines
Inspection & Maintenance
Reentry
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Riser system for a floating drilling rig
BOP
RISER JOINTS
KILL AND CHOICE LINES
SLIP JOINT OUTER BARREL
UPPER BALL JOINT
SLIP JOINT INNER BARREL
RISER TENSION
LOWER BALL JOINT
Mudline
Marine riser = drilling riser, get returns to surface, well control, communications link
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Integral Marine Riser Joints
Choke and kill lines are integral with the marine riser , flanged connections; clamp, etc
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Integral Marine Riser Connector
Flanged connection - 6 bolts
NOTE: Choke and Kill Lines
O-ring type seals
- inspect when running
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Integral Marine Riser Connector
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Marine Riser Flexible Joint
Flexible joint, binding from high tensile forces, inject lubricant, up to 1,500,000 lbf!
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Upper Section Marine Riser System.
MARINE RISER DIVERTER ASSEMBLY
RISER TENSIONING LINES
TELESCOPIC JOINT
KILL AND CHOKE LINES
FLEXIBLE JOINT
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Control valve
Vent line
Mud returns
. Annular
A diverter system.
Re-directs flow from rig floor to blooey line (10”+), downwind, do not shut in, erosion -108
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Figure 6-6.
Subsea BOP Stack
Vertical steel loops used for kill / choke line transition around the ball joint.
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