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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