HIGH-GAS OPEN-STAGE ESP SYSTEM
The high-gas open-stage ESP system uses an open impeller design (with no upper or lower disk) to produce low-flow, gassy wells. The open-stage ESP is lighter and smaller than other electrical submersible pumping (ESP) systems, provides better gas handling capabilities, and helps mitigate scale deposition.
BENEFITS
Open impeller design handles high gas volumes and reduces scale deposition
Low-flow ESP technology performs in rates ranging from 63–10,064 bbl/d
Bottom-drive ESPs eliminate rod damage to the production tubing and required rod-lift maintenance
applications
- Conventional and unconventional wells
- High-gas, high-solids reservoirs complicated by scaling and variable inflow
capabilities
- Gas content up to 85%
- Flowrate ranges from 63–10,064 bbl/d (10–1600 m3/d)
- Available in 362 (92 mm),
406 (103 mm), 449 (114 mm), and 535 (136 mm) series
features
- Open impeller design handles gas, reduces pump weight, and reduces vibration
- Elimination of upper and lower impeller disks mitigates clogging caused by scale and solids
Gas locking and pump seizure in ESPs occur when gas fills flow channels and effectively blocks fluid from passing through the system. The high-gas open-stage ESP omits the upper and lower disks from the impellers, eliminating the cavities in which gas can get trapped. So gas is dispersed into the reservoir fluid along with any existing solids to create a homogenized gas-fluid-solid mix that can pass through the pump.
Compared to common submersible pumps, the open-stage ESP is lighter and shorter, improves gas handling capabilities, and reduces scaling. It is ideal for use in low-flow, sandy, high-gas wells with variable flow rates.
With consistent performance at low flow rates, the open-stage ESP is a good candidate for replacing many rod-lift pumps, which are notorious for wearing through tubing and require regular workovers and maintenance operations.
TECHNICAL CHARACTERISTICS
Standard
|
Size (RU) |
Size |
Capacity |
Head |
Efficiency rate |
|
4 |
3.38 in. |
226-1,510 bbl/d (@60Hz) |
11,483 ft |
39-61% |
|
86 mm |
30-200 m3/d (@50Hz) |
3500 m |
||
|
5 |
3.62 in. |
113-4,151 bbl/d (@60Hz) |
11,483 ft |
31-67% |
|
92 mm |
15-550 m3/d (@50Hz) |
3500 m |
||
|
5A |
4.06 in. |
189-5,283 bbl/d (@60Hz) |
11,483 ft |
33-65% |
|
103 mm |
25-700 m3/d (@50Hz) |
3500 m |
||
|
6 |
4.49 in. |
6,038-9,435 bbl/d (@60Hz) |
11,483 ft |
62-66% |
|
114 mm |
800-1250 m3/d (@50Hz) |
3500 m |
||
|
6A |
4.84 in. |
981-1,887 bbl/d (@60Hz) |
11,483 ft |
53-61% |
|
123 mm |
130-250 m3/d (@50Hz) |
3500 m |
||
|
8 |
6.77 in. |
3,774-30,191 bbl/d (@60Hz) |
8,202 ft |
63-66% |
|
172 mm |
500-4000 m3/d (@50Hz) |
2500 m |
||
|
9 |
7.40 in. |
37,739-47,551 bbl/d (@60Hz) |
6,562 ft |
70-72% |
|
188 mm |
5000-6300 m3/d (@50Hz) |
2000 m |
||
|
10 |
9.00 in |
60,382-75,478 bbl/d (@60Hz) |
4,921 ft |
73-79% |
|
229 mm |
8000-10000 m3/d (@50Hz) |
1500 m |
Power save
|
Size (RU) |
Size |
Capacity |
Head |
Efficiency rate |
|
2A |
2.72 in. |
151-755 bbl/d (@60Hz) |
11,483 ft |
45-57% |
|
69 mm |
20-100 m3/d (@50Hz) |
3500 m |
||
|
3 |
3.19 in. |
189-2,415 bbl/d (@60Hz) |
11,483 ft |
40-70% |
|
81 mm |
25-320 m3/d (@50Hz) |
3500 m |
||
|
5 |
3.62 in. |
251-3,019 bbl/d (@60Hz) |
11,483 ft |
46-66% |
|
92 mm |
20-400 m3/d (@50Hz) |
3500 m |
||
|
5A |
4.06 in. |
755-3,774 bbl/d (@60Hz) |
11,483 ft |
67-71% |
|
103 mm |
100-500 m3/d (@50Hz) |
3500 m |
||
|
7A |
5.35 in. |
2264-16,982 bbl/d (@60Hz) |
9,843 ft |
67-76% |
|
136 mm |
300-2250 m3/d (@50Hz) |
3000 m |
||
|
8 |
6.77 in. |
12,076-18,869 bbl/d (@60Hz) |
8,202 ft |
74-76% |
|
172 mm |
1600-2500 m3/d (@50Hz) |
2500 m |
Extended rate
|
Size (RU) |
Size |
Capacity |
Head |
Efficiency rate |
|
5 |
3.62 in. |
453-3,774 bbl/d (@60Hz) |
11,483 ft |
58-66% |
|
92 mm |
60-700 m3/d (@50Hz) |
3500 m |
||
|
5A |
4.06 in. |
755-5,283 bbl/d (@60Hz) |
11,483 ft |
67-71% |
|
103 mm |
100-700 m3/d (@50Hz) |
3500 m |
||
|
7A |
5.35 in. |
2,264-16,982 bbl/d (@60Hz) |
9,843 ft |
67-76% |
|
136 mm |
300-2250 m3/d (@50Hz) |
3000 m |