Manufacturer: EWCO (Emsco / EWCO legacy)
Model: W-1000
Pump Type: Triplex reciprocating mud pump
Service: Drilling mud circulation
Duty: Continuous drilling service
Rated Power: 1,000 HP
Stroke Length: 8.5 in
Speed Range: 60 – 120 SPM
Rated Rod Load: ~25,000 lb
Crosshead: Heavy-duty guided design
Crankshaft: Forged alloy steel
Bearings: Heavy-duty roller bearings
Lubrication: Forced-pressure lubrication system
Type: Forged steel fluid end
Standard Liner Sizes:
5.0 in
5.5 in
6.0 in
6.5 in
7.0 in
Valves: 4-web oilfield-style valves
Pistons: Replaceable bonded rubber pistons
Suction / Discharge: Flanged connections
(Actual output depends on liner size, SPM, mud weight, and pressure)
Maximum Pressure: up to 5,000 psi (small liners)
Maximum Flow: up to 1,000 GPM (large liners, low pressure)
| Liner Size | Max Pressure | Approx. Flow |
|---|---|---|
| 5.0 in | ~5,000 psi | ~350 GPM |
| 6.0 in | ~3,500 psi | ~500 GPM |
| 6.5 in | ~3,000 psi | ~650 GPM |
| 7.0 in | ~2,200 psi | ~900–1,000 GPM |