Drill Rigs and Nomenclature

Drill Rigs and Nomenclature
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Blow out protectors
(below drilling
platform) showing:
bell nipple (to mud
tanks)
mouse hole casing
choke manifold
outlet.
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Rotation
system
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Drill Site/Rig Personnel
• Tool Pusher – responsible for all rig operations (rig manager). The
boss around drill rigs.
• Driller – controls drilling process.
• Roughneck – drill floor people.
• Roustabout – general labors.
• Company man – usually the drilling engineer.
• Mud man – prepares, conditions, And monitors mud.
• Geologist – sample collection & interpretation; ID’s reservoirs,
coring and test horizons; mandates rig functions (circulate bottoms
up, etc.), transmits this data to company supervisors.
• Mud logger collects drill cuttings, records mud gasses and prepares
sample/mud log
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Small air drill-rig south of
Tulsa Oklahoma
Pictures taken in Dec. 2007 by
Rick Andrews
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Typical “big” drill rigs used on
land and allied equipment
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Cable Tool Drill Rigs
Commonly used before 1950
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Old cable drill rig
abandoned in Redden
Oil Field in southern
Oklahoma.
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Draw-works of an old cable drill rig abandoned in
Redden Oil Field in southern Oklahoma.
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Greatly worn tip of
cable tool bit. From
the abandoned
Redden Oil Field in
southern Oklahoma.
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Offshore drill rigs
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Fixed production platforms
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Jackup rigs
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Pontoon type semisubmersible rig
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Twin hull semisubmersible rig
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Semisubmersible rig sinking after being towed to site
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Semisubmersible rig
blown under bridge
during Katrina
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Jackup rig collapsing after hurricane in Gulf of Mexico
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