AGH

Advanced gas-handling device

APPLICATIONS The AGH* advanced gas-handling device is a highly modified, multistage,
■■ High-GOR wells that are too gassy high-speed centrifugal pump designed specifically for the gassy ESP market,
for dynamic gas separators where wells have up to 45% gas volume fraction (GVF) at low intake pressures.
■■ Subsea oil wells This device is normally installed in series below a center tandem multistage
submersible REDA* ESP systems pump. The AGH device functions by reducing
■■ Gassy wells with deepset packers above
vapor bubble sizes and changing the gas-bubble distribution, homogenizing the
the pump
gas-liquid mixture so that it behaves like a single-phase fluid before entering the
■■ Gas well dewatering pump. The AGH device can also be installed in series above rotary or vortex-type
■■ Gas-lift-to-ESP conversion wells gas separators.

BENEFITS Production doubled

■■ Increases production dramatically in wells In Kuwait, a well consistently gas locked after 60 to 70 min of operation using a
previously considered too gassy for ESPs REDA systems pump with a rotary gas separator. An AGH device was added to
■■ Prevents degradation of pump the equipment string above the gas separator with no other equipment changes.
performance by conditioning gas Production increased to 2,100 from 900 bbl/d with no cycling because of gas lock.
liquid mixture New lift alternative
■■ Extends equipment life by eliminating A well in Mexico was producing 4,774 bbl/d (258 ft3/bbl GOR at stock-tank
pump cycling because of gas lock conditions) with gas lift using 1 MMcf/d of gas. An ESP with an AGH device was
■■ Provides superior reliability in sandy or installed below a packer with fluids having 29% GVF. Production increased
abrasive environments to 9,409 bbl/d of oil—at 363 ft3/bbl GOR at stock-tank conditions—with no gas
locking.
FEATURES
■■ No surging and gas lock in wells with up
to 45% GVF and low bottomhole Without AGH device
pressure
Oil production

■■ Abrasion-resistant construction Incremental oil produced

■■ High-strength INCONEL® shafts by the AGH device

Economic limit

AGH advanced gas-handling

Time by increasing the drawdown and the
The AGH device can make a well more economical device.
amount of oil produced. This increases recoverable reserves and extends the
economic life of the field.

Before AGH device installation After AGH device installation

Case study showing the production results before and after installing AGH device.
AGH
AGH Advanced Gas-Handling Device Specifications
D5-21 D20-60 G20-40 G40-80 S70-100 H100-250 M190-350
Outside diameter, in [mm] 4.00 [101.60] 4.00 [101.60] 5.13 [130.30] 5.13 [130.30] 5.38 [136.65] 5.62 [142.75] 8.62 [218.9]
Length, ft [m] 6.3 [1.92] 6.3 [1.92] 6.3 [1.92] 6.3 [1.92] 6.3 [1.92] 5.7 [1.74] 6.5 [1.98]
Weight, lbm [kg] 135 [61.3] 135 [61.3] 272 [123.5] 272 [123.5] 284 [128.8] 229 [103.9] 1050 [476]
Power consumption with 1-sg fluid, 13 13 38 45 53 102 117
hp at 60 Hz
Shaft size, in [mm] 0.687 [17.45] 0.870 [22.10] 1.000 [25.40] 1.000 [25.40] ] 1.000 [25.40] 1.180 [29.97 1.37 [34.79]
Shaft power rating, hp at 60 Hz 200 410 600 600 600 637 1,280
Bearing systems ES†, ARZ* ES ES, ARZ zirconium ES, ARZ zirconium ES, ARZ zirconium ES, ARZ zirconium ES
abrasion-resistant
zirconium
Liquid flow rate, bbI/d at 60 Hz 500 to 2,100 2,000 to 6,000 2,000 to 4,000 4,000 to 8,000 7,000 to 10,000 10,000 to 25,000 19,000 to 35,000
† Enhanced stability

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