Model E-447

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The Weatherford Ellis-Williams™ E-series model E-447 mud pump is a premium pump suitable for land and offshore drilling applications in the 500-hp, continuous-duty-rated segment.

The E-447 mud pump has a traditional triplex design. It is built with only the finest materials and to exacting quality standards. The pump is designed to offer years of trouble-free operation under the most demanding drilling conditions.

Features

  • Fabricated, double-wall, steel power-frame construction
  • Full premium roller-bearing construction
  • Herringbone gear sets
  • Pressurized lubrication system with externally mounted lube pump
  • Forged-steel, inherently balanced crankshaft
  • 24-month limited warranty

Specifications

E-447
Pump speed (spm)
220
200
180
160
140
120
Input power (hp, kW)*
467
349
425
317
382
285
340
254
297
222
255
190
Piston size (in.)
Rated pressure (psi, MPa)
Displacement (gal/rev)
Output
(gal/min, bbl/min)
6.0
1,275
8.8
2.570
565
13.5
514
12.2
463
11.0
411
9.8
360
8.6
308
7.3
5.5
1,500
10.3
2.160
475
11.3
432
10.3
389
9.3
346
8.2
302
7.2
259
6.2
5.0
1,825
12.6
1.785
393
9.3
357
8.5
321
7.6
286
6.8
250
5.9
214
5.1
4.5
2,250
15.5
1.446
318
7.6
289
6.9
260
6.2
231
5.5
202
4.8
174
4.1
3.5
3,725
25.7
0.875
192
4.6
175
4.2
157
3.7
140
3.3
122
2.9
105
2.5
3.0
5,000
34.5
0.643
141
3.4
129
3.1
116
2.8
103
2.4
90
2.1
77
1.8

* Input power required assumes 90% mechanical efficiency.

Rated power (hp, kW)
470
350.6
Maximum pump speed (spm)
220
Stroke length (in/mm)
7
177.8
Maximim piston size (in., mm)
6
152.4
Maximum rated pressure (psi, MPa)
5,000
34.5
Fluid-end style
E447
Valve size
API-5
Suction connections
8- n. flanged (2)
Discharge connections
4-1/16 in. API-5000 (2)
Internal gear ratio
4.71 : 1
Crankcase oil capacity (gal/l)
40
151.4
Input shaft diameter (in., mm)
4.25
107.6
Dry weight (lb, kg)
13,000
5,902