Oilwell A-1000 Mud Pump – Specifications

General

• Manufacturer: Oilwell (National Oilwell)

• Model: A-1000

• Pump Type: Triplex reciprocating piston/plunger mud pump

• Service: Drilling / mud circulation

• Duty: Continuous drilling service

• Rated Power: 1,000 HP

Mechanical

• Stroke Length: 8.5 in

• Speed Range: 60 – 120 SPM

• Rated Rod Load: ~25,000 lb

• Crosshead Type: Guided, heavy-duty

• Crankshaft: Forged steel

• Bearings: Heavy-duty roller bearings

• Lubrication: Forced-pressure lubrication

Fluid End

• Type: Forged steel fluid end

• Liner Sizes (typical):

  • 5.0 in

  • 5.5 in

  • 6.0 in

  • 6.5 in

  • 7.0 in

• Valves: 4-web oilfield-style

• Pistons: Replaceable rubber or bonded piston

• Connections: Flanged suction & discharge

Performance (Typical)

(Actual output depends on liner size, SPM, and pressure)

• Maximum Pressure: up to 5,000 psi (small liners)