Lift Type Selection
© 2006 Weatherford. All rights reserved.
How Do I Pick the Best Option for My Well?
Electric Submersible Pumping (ESP)
Plunger Lift
Reciprocating Rod lift
Gas Lift
Foam Lift (Capillary)
Hydraulic Lift
Generally, There Is Not ONE Clear Answer © 2006 Weatherford. All rights reserved.
Progressing Cavity Pumping (PCP)
206
Data Collection
• Wellbore • Production
• Gas • Water • Oil
• Reservoir • Pressure Data • General Location Information
The amount of data required for a full evaluation can be overwhelming or not available at all…. © 2006 Weatherford. All rights reserved.
ALS Application Screening Criteria
Rod Lift
PCP
Gas Lift
Plunger Lift
Hydraulic Lift
Hydraulic Jet
ESP
Maximum operating depth, TVD (ft/m )
16,000 4,878
12,000 3,658
18,000 4,572
19,000 5,791
17,000 5,182
15,000 4,572
15,000 4,572
Capillary Technologies 22,000 6,705
Maximum operating volume (BFPD)
6,000
4,500
50,000
200
8,000
20,000
60,000
500
Maximum operating temperature (°F/°C )
550° 288°
250° 121°
450° 232°
550° 288°
550° 288°
550° 288°
400° 204 °
400° 204 °
Corrosion handling
Good to excellent
Fair
Good to excellent
Excellent
Good
Excellent
Good
Excellent
Gas handling
Fair to good
Good
Excellent
Excellent
Fair
Good
Fair
Excellent
Solids handling
Fair to good
Excellent
Good
Fair
Fair
Good
Fair
Good
>8°
<40°
>15°
>15°
>8°
>8°
>10°
>8
Workover or pulling rig
Wireline or workover rig
Wellhead catcher or wireline
Workover or pulling rig
Capillary unit
Gas or electric Gas or electric
Compressor
Well's natural energy
Form of lift
Fluid gravity (°API) Servicing Prime mover Offshore application System efficiency
Hydraulic or wireline
Multicylinder or Multicylinder or Electric motor electric electric
o
Well's natural energy
Limited
Limited
Excellent
N/A
Good
Excellent
Excellent
Good
45% to 60%
50% to 75%
10% to 30%
N/A
45% to 55%
10% to 30%
35% to 60%
N/A
Values represent typical characteristics and ranges for each form of artificial lift. Parameters will vary according to well situations and requirements and must be evaluated on a well-by-well basis.
© 2006 Weatherford. All rights reserved.
Artificial Lift Limitation Volume Versus Depth – High Volume 35,000
Barrels per Day
30,000
Gas Lift
ESP 25,000
20,000
15,000
Hydraulic Jet Pump 10,000
Lift Depth (TVD)
© 2006 Weatherford. All rights reserved.
16,000
15,000
14,000
13,000
12,000
11,000
10,000
9,000
8,000
7,000
6,000
5,000
4,000
3,000
2,000
1,000
5,000
Artificial Lift Limitation Volume Versus Depth – Lower Volume
4,500
Barrels per Day
4,000
3,500 3,000
2,500
2,000
Recip. Hydraulic 1,500
Recip. Rod Pump 1,000
PC Pumps 500
Lift Depth (TVD)
© 2006 Weatherford. All rights reserved.
16,000
15,000
14,000
13,000
12,000
11,000
10,000
9,000
8,000
7,000
6,000
5,000
4,000
3,000
2,000
1,000
Plunger Lift
Get Started Costs
211 Š 2006 Weatherford. All rights reserved.
Monthly Costs
212 Š 2006 Weatherford. All rights reserved.
Example Flow Chart
Š 2006 Weatherford. All rights reserved.
4 Important Variables of Consideration for Gas Well Deliquification
Variable
Low Value
High Value
Liquid Rate
<100 bpd
>100 bpd
Ftp
<300 psi
>300 psi
Water Cut
<50%
>50%
GLR
<10,000 scf/stb
>10,000 scf/stb
© 2006 Weatherford. All rights reserved.
Example Flow Chart
Š 2006 Weatherford. All rights reserved.