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TAM
Inflatable Packer
Systems for
Hydrological
Applications
•
•
•
•
•
•
•
•
•
Monitor Well Sampling
Monitor Well Completion
Grouting
Hydrological Testing
Hydrofracturing for Improved Water Well Yield
Rock Stress Analysis (to 20,000 PSI)
Casing/Mechanical Integrity Testing (Leak Locating)
Zone Isolation
Selective Zone Production
ISO 9001: 2008 Certified
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.
Corporate Profile
TAM International manufactures a wide range
of inflatable packers and accessories for geotechnical and hydrological well testing, grouting and
completion applications. Inflatable packers are
available for borehole sizes ranging from 11/2 inches
through 30 inches, well depths to 25,000 feet and
a wide range of temperature and differential
pressure capacities.
TAM has over 40 years of inflatable packer
manufacturing and service experience. TAM’s
Quality Program is certified to ISO 9001:2008
standards.
A team of TAM personnel is available, worldwide, to assist you in the proper selection of an
inflatable packer for your specific applications.
A Choice of Packer Types
TAM offers three distinct inflatable element
designs to accommodate the wide range of applications in hole sizes, applied differential pressure,
bottom hole temperature and project economics.
An inflatable packer can achieve higher
expansion than conventional packers and is
designed with a long seal length for open hole
applications. The inflatable packer does not contain “slips” and therefore can be used to seal in
PVC and stainless casing without marring the
inside diameter.
Selection Criteria
Packer Size:
In general, the largest packer that can be run in
the hole should be used. The lower the expansion
ratio (Inflated OD/Run-in OD), the higher the
differential pressure rating as shown in the
specific charts for each product line.
The charts provided do not take into account
the effects of elevated temperature nor is the
differential pressure rating based on the packer’s
ability to resist movement, but rather its ability
to seal at the rated pressure. TAM recommends
that each application be reviewed by an experienced TAM specialist to assure the proper
selection of the packer size and product type.
Inflation Medium:
TAM inflatable packers are designed to be inflated with either gas or liquid. The optimum inflation medium to use depends on the nature of the
operations and resources available.
Gas inflation is often used in deep, dry, or low
fluid level holes. Even without hydrostatic pressure on the exterior of the packer element, once
the gas pressure is released the inflation element
will deflate. Gas is also used as the inflation medium in applications where large temperature fluctuations are expected. Another advantage is gas
inflation simplifies most operations.
SD Inflatable Packers
The SD product line is the most economical
tool available and is used in well conditions where
the applied differential pressure is less than 500
psi (34 bar).
LI Inflatable Packers
The LI product line is rated for use in applications where applied differential pressure is less
than 1,000 psi (69 bar).
Application Information
Required:
In order for TAM to assist in the proper selection of an inflatable packer type and size, the
following information is required.
1. Hole diameter at the proposed setting depth
HD Inflatable Packers
The HD product line is rated for well applications requiring high differential pressure capacity.
Standard models are rated at 5,000 psi (345 bar)
maximum applied differential pressure.
Exact ratings of each product are defined
later in this brochure.
2
2. Minimum restriction above setting depth
3. Expected differential pressure and temperature
4. Work string connection
SD and LI products are generally available Ex-Stock with same day shipping
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TAM SD Fixed-End Inflatable Packers
SD Single
For shallow operations, such as monitor wells,
where downhole differential pressures do not
exceed 500 PSI (34 BAR), the TAM SD packers
are an economical choice. TAM SD packers feature
a tough inflatable element designed for high
elongation and tear resistance.
TAM SD packers are available in all standard
sizes and can be easily run in straddle
configurations.
Working Pressure vs. Hole Size,
SD Packer Outside Diameter
(psi) (bar)
Differential Pressure Capacity
SD Straddle
500 34.5
2.63
2.25
3.50
7.25
5.63
1.75
400 27.6
8.75
300 20.7
200 13.8
100
6.9
0
0
2
in
mm 51
3
76
4
5 6
102 127 152
8
203
10
254
15
381
20 24
508 609
Hole Size
IMPORTANT: The suggested ratings shown on the graph are not a measure of the packer’s self-anchoring capability, which may be less
than the suggested rated working pressure and may vary under certain circumstances. Consult TAM International for details.
Bull Plug
SD Packer Dimensional Data
Part Number
Single
Packer
175-SD-01
225-SD-01
263-SD-01
350-SD-01
563-SD-01
725-SD-01
875-SD-01
Part Number
Straddle
Packer
175-SD-05
225-SD-05
263-SD-05
350-SD-05
563-SD-05
725-SD-05
875-SD-05
Packer O.D.
in.
mm
1.75
44.5
2.25
57.2
2.63
66.8
3.50
88.9
5.63
143.0
7.25
184.2
8.75
222.3
Packer I.D.
in.
mm
0.74
18.8
1.05
26.7
1.38
35.1
2.06
52.3
4.03 102.4
5.05 128.3
5.94 150.9
Thread
Connection
3/4” NPT
1” NPT
1 1/4” NPT
2” NPT
4” NPT
5” NPT
6” NPT
Note: Longer element seal lengths are available on special order.
Maximum temperature rating is 150˚F (66˚C).
The inflation element is manufactured using a nitrile elastomer.
The packer mandrel is manufactured using 304 Stainless Steel.
Element Seal
Length
in.
mm
16.00
406.4
16.00
406.4
16.00
406.4
16.00
406.4
18.00
457.2
19.25
488.9
20.50
520.7
Overall Single
Packer Length
in.
mm
34.19
868.4
35.12
892.0
34.81
884.2
34.75
882.7
39.50 1003.3
40.75 1035.1
43.13 1095.5
Overall Straddle
Packer Length
in.
mm
68.75 1746.3
70.25 1784.4
70.63 1794.0
70.25 1784.4
79.75
2025.7
81.63 2073.3
86.25
2190.8
Inflate Line
Connection
1/4” NPT
1/4” NPT
1/4” NPT
1/4” NPT
1/4” NPT
1/4” NPT
1/4” NPT
3
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TAM LI Inflatable Packers
LI Single
TAM LI packers are designed for reliability in downhole environments with differential pressures up to 1,000 PSI (69 BAR).
With durable steel reinforced inflation elements, these sliding-end
packers are an excellent choice for repeated operation. If necessary, the
packer element can be easily replaced. The TAM LI inflatable packers
are available in all standard sizes as shown below.
Working Pressure vs. Hole Size,
LI Packer Outside Diameter
(psi) (bar)
Differential Pressure Capacity
LI Straddle
1,000 69.0
2.50
1.70
2.75
2.13
3.50
7.75
5.50
800 55.2
11.0
600 41.4
400 27.6
200 13.8
0
0
2
in
mm 51
3
76
4
5 6
102 127 152
10
8
203 254
15
381
20 24
508 609
Hole Size
OD can be built up for larger hole sizes
IMPORTANT: The suggested ratings shown on the graph are not a measure of the packer’s self-anchoring capability,
which may be less than the suggested rated working pressure and may vary under certain circumstances. Consult
TAM International for details.
Bull Plug
LI Packer Dimensional Data
Part Number
Single
Packer
170-LI-01
213-LI-01
250-LI-01
275-LI-01
350-LI-01
550-LI-01
550-LI-02
775-LI-01
11-LI-01
4
Part Number
Straddle
Packer O.D.
Packer
in.
mm
170-LW-01 1.70 43.2
213-LW-01 2.13 54.1
250-LW-01 2.50 63.5
275-LW-01 2.75 69.9
350-LW-01 3.50 88.9
550-LW-01 5.50 139.7
550-LW-02 5.50 139.7
775-LW-01 7.75 196.9
11-LW-01 11.00 279.4
Packer I.D.
Thread
in.
mm Connection
.51 13.0
1/2” NPT
.96 24.4
1” NPT
.82 20.8
3/4” NPT
1.28 32.5 1 1/4” NPT
2.06 52.3
2” NPT
3.07 78.0
3” NPT
3.07 78.0
3” NPT
5.05 128.3
5” NPT
7.82 198.6
8” NPT
Part
Number Inflation Element
Inflation
Seal Length
Element
in.
mm
170-LD-11 14.0 355.6
213-LD-11 25.0 642.2
250-LD-11 23.0 584.2
275-LD-11 18.0 406.2
350-LD-11 16.0 406.4
550-LD-11 23.0 584.2
550-LD-12 42.0 1066.8
775-LD-11 26.0 660.4
11-LD-11 30.75 736.6
Note: Rubber buildup on the diameter of the inflation element is available on special request.
The maximum temperature rating is 150˚F (66˚C).
The inflation element is manufactured using a nitrile elastomer.
Overall Inflation
Element Length
in.
mm
24.0
609.60
36.0
914.40
35.0
889.00
30.0
762.00
30.0
762.00
36.0
914.40
54.5 1384.30
40.0 1016.00
48.5 1231.90
Overall Single
Overall Straddle
Packer Length
Packer Length
in.
mm
in.
mm
31.8
807.72
66.1 1678.94
51.8 1315.72 105.1 2667.00
49.1 1247.14 100.1 2540.00
46.0 1168.40
91.7 2329.18
44.5 1130.30
88.3 2242.82
52.4 1330.96 104.8 2661.92
63.2 1605.28 126.2 3205.48
70.8 1798.32 141.6 3596.64
77.0 1955.80 157.8 4008.12
Inflate Line
Connection
1/4” NPT
1/4” NPT
1/4” NPT
1/8” NPT
1/4” NPT
1/4” NPT
1/4” NPT
1/4” NPT
1/4” NPT
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TAM HD Inflatable Packers
HD Straddle
For hydrofracturing or deep well applications where differential
pressures exceed 1,000 PSI (69 BAR), TAM International offers HD
inflatable packers in all standard sizes.
This sliding-end inflatable packer features a long, fully steel reinforced, field replaceable inflation element. These versatile inflatable
packers may be run on tubing, coil tubing or drill pipe in single or in
straddle configurations of two or more packers. TAM HD inflatable
packers offer numerous setting options, several of which do not
require an external inflation line. Please refer to our TAM-J and
Single Set brochures for a description of setting mechanisms not
requiring an external line.
HD Single
Steel reinforced
element construction
Working Pressure vs. Hole Size, Weave (IE) Element
Current ∅P ratings are posted regularly @ www.tamintl.com
Differential Pressure Capacity
(psi) (bar)
5,000 345
2.13
3.06
1.69
4.25
5.50
3.44
2.63
5.06
Uninflated
Element OD (in.)
6.19
4,000 276
11
3,000 207
2,000 138
1,000
69
0
0
2
in
mm 51
3
76
4
5 6
102 127 152
OD can be built up for larger hole sizes
HD Packer Dimensional Data
Part Number
Single
Packer
169-EI-01
213-EI-01
263-EI-01
306-EI-01
344-EI-01
344-EI-02
344-EI-03
425-EI-01
425-EI-02
425-EI-03
425-EI-04
425-EI-05
425-EI-06
550-EI-01
550-EI-02
550-EI-03
700-EI-01
11-EI-01
7.0
Part Number
Straddle
Packer O.D.
Packer
in.
mm
169-EW-01 1.69 42.93
213-EW-01 2.13 54.10
263-EW-01 2.63 66.80
306-EW-01 3.06 77.72
344-EW-01 3.44 87.38
344-EW-02 3.56 90.42
344-EW-03 4.25 108.00
425-EW-01 4.25 108.00
425-EW-02 5.06 128.52
425-EW-03 5.50 139.70
425-EW-04 6.19 157.23
425-EW-05 7.00 177.80
475-EW-01 4.75 120.65
550-EW-01 5.50 139.70
550-EW-02 6.19 157.23
550-EW-03 7.00 177.80
700-EW-01 7.00 177.80
11-EW-01 11.00 279.40
Packer I.D.
Single
Packer
in.
mm
.44 11.18
.56 14.22
.62 15.75
1.0 25.4
1.0 25.4
1.0 25.4
1.0 25.4
2.0 50.8
2.0 50.8
2.0 50.8
2.0 50.8
2.0 50.8
2.0 50.8
2.2 55.9
2.2 55.9
2.2 55.9
2.5 63.5
3.0 76.2
10
8
203 254
15
381
Hole Size
Packer I.D.
Straddle
Part Number
Packer
Thread
Inflation
in.
mm
Connection
Element
.44 11.18 1.315 NU
169-IE-11
.56 14.22 1.315 NU
213-IE-11
.62 15.75 1.900 EU
263-IE-11
1.0
25.4
2.375 EU
306-IE-11
1.0
25.4
2.375 EU
344-HE-11
1.0
25.4
2.375 EU
356-IE-11
1.0
25.4
2.375 EU
425-IE-11
2.0
38.1
2.875 EU
425-IE-11
2.0
38.1
2.875 EU
506-IE-11
2.0
38.1
2.875 EU
550-IE-11
2.0
38.1
2.875 EU
619-IE-11
2.0
38.1
2.875 EU
700-IE-11
2.0
38.1
2” NPT
475-WE-11
2.2
55.9
2.875 EU
550-IE-11
2.2
55.9
2.875 EU
619-IE-11
2.2
55.9
2.875 EU
700-IE-11
2.5
63.5
3.50 IF
700-IE-11
3.0
76.2
4.50 IF
11-IE-11
20 25
508 635
Bull Plug
Inflation Element Overall Inflation Overall Single
Seal Length
Element Length Packer Length
in.
mm
in.
mm
in.
mm
18.00 482.60 30
762.00 39.50 1003.30
23.75 603.25 36
914.40 51.05 1296.67
30.25 768.35 48
1219.20 66.90 1699.26
29.30 742.95 48
1219.20 72.22 1834.39
30.25 788.35 48
1219.20 72.22 1834.39
46.62 1184.15 66
1676.40 90.47 2297.94
46.62 1184.15 66
1676.40 90.47 2297.94
46.62 1184.15 66
1676.40 95.99 2438.15
42.88 1089.15
66
1676.40 95.99 2438.15
43.24 1098.30
66
1676.40 95.99 2438.15
42.92 1090.17 66
1676.40 95.99 2438.15
42.86 1088.64
66
1676.40 95.99 2438.15
46.20 1173.48 66
1676.40 93.88 2384.55
42.86 1088.64 66
1676.40 95.99 2438.15
42.86 1088.64
66
1676.40 95.99 2438.15
42.86 1088.64
66
1676.40 95.99 2438.15
42.86 1088.64 66
1676.40 95.63 2429.00
43.48 1104.39
66
1676.40 105.01 2667.25
Overall Straddle
Packer Length
in.
mm
79.00 2006.60
100.66 2558.76
132.36 3361.94
142.50 3619.50
142.50 3619.50
179.00 4546.60
179.00 4546.60
179.00 4546.60
189.86 4822.44
189.86 4822.44
189.86 4822.44
189.86 4822.44
174.64 4435.86
189.86 4822.44
180.14 4575.56
189.86 4822.44
187.26 4758.40
206.02 5232.91
Note: The inflation element is manufactured using a nitrile elastomer.
When running the straddle packer assembly, the pressure ratings shown above may have to be reduced if the extensions between the packers are not
strong enough. Consult TAM International for further details.
Maximum temperature rating is 212˚F (100˚C).
TAM can supply HD Packers with optional thread connections.
Rubber buildup on the diameter of the inflation element is available on special request.
5
3
6
1
8
15 Pump nipple may be supplied by TAM.
14 Pump chamber - Houses pump while providing string
integrity - special order to meet requirements, may include
extensions
13 Submersible pump and motor - not supplied by TAM
12 Pump cable - not supplied by TAM
11 Lifting eyes welded to the packer mandrel to provide
connection to the cable if lowered on such (OPTIONAL).
10 Shut in valve - isolates test zone from work string. Operated
from surface by pressure, opens and shuts with minimal fluid
displacement so that no squeeze pressure occurs in the test zone.
9 Ported bull plug - Plug at lower end of the bottom of the packer
to permit access to the zone below the lower packer.
4
11
7
6
3:26 PM
8 Pump feed thru sub - similar to item 7 and also providing a
connection for the support of the pump
7 Feed thru sub
6 Connectors provide seals for wire or tubes passing through
holes in items 7 , 8 , 9 .
5 Monitoring tubing
3
5
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15
4
12
4 Inflation and monitoring tubing (nylon or stainless steel)
3 Inflation kit - appropriately sized and correct connectors, valve,
gauge and fittings to assemble inflation tubing and to monitor
packer pressure.
1 and 2 upper and lower packers - (SD, LI or HD styles) use
appropriate crossovers for thread to thread changes.
Typical Inflatable Packer Assembly Accessories
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13
For hydrological workstring assemblies TAM
International manufactures a line of Feed Thru
connections. Both Feed Thru designs enable wiring
and tubing to be run inside and outside of the packer
assembly. TAM Feed Thru subs maintain workstring
strength and protect the integrity of the electrical and
tubing connections between components.
Pump Feed Thru
Packer
Connection
Pump Nipple
Connection
9
7
10
3:26 PM
Feed Thru Sub
Feed Thru Sub
8
Stand Pipe
Connection
7
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2
14
7
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Typical Inflatable Packer Applications
Obtain sample from
between Packers
Mechanical
Integrity Testing
Inflate Line
19” I.D.
Restriction
Power Cable
Feed-Thru
Sub
Open Hole
30” Casing
Cement
Lower Packer
Inflate Line
Tubing String
100 PSI Test
Submersible
Pump Inside
Shroud
18” O.D. H.D.
Packer Inflated
Inside 30” Casing
Obtain Sample from
above Packer
Well Sampling from below
Packer
Cable
Inflate Line
Power Cable
Inflate Line
Casing
4” Open Hole
Feed-Thru
Sub
Open Hole
Sample Pump
Packer
Power Cable
Submersible
Pump
8
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Page 10
Reline Deteriorated Casing
or Seal Casing in Open Hole
Grouting
Deteriorated
Casing or
Open Hole
Inflation Tube
Inflate Line
New Casing
Annulus may
or may not be
filled with
cement
Packer
Grout
Configuration for
Hydrological and/or
Stress Testing
Circulation Well
Treatment
Wireline
Transducer Sub
Return Line
Inflation Tube
Shut-In Valve
Upper Screen
Casing
Inflatable Packer
Packer
Test Zone
Inflatable Packer
Pump
Lower Screen
9
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Page 11
Hydrofracturing
Hydrofracturing is a common and effective means
to increase the yield of water wells. Hydrofracturing
is a process in which water is pressured into the
formation, to open cracks and crevices in the rock, so
that water can more readily flow toward the well bore.
Inflatable packers are used to isolate the applied
pressure to specific areas of the well bore. Packers
may be used singly or in tandem to accomplish this
goal. Typically 1,000 to 2,500 PSI. is required to
fracture a well with flow rates varying between 25 to
150 gallons per minute.
For hydrofracturing (6” borehole), TAM manufactures a special 4.75” O.D. inflation element. For part
numbers, dimensional and working pressure data,
please refer to page 5. It is designed to be run
numerous times without redressing or repair and
possesses numerous performance advantages.
To extend service life, the 4.75” O.D. inflation
element utilizes a steel cable reinforcement laid on a
bias to the tool axis. The cable reinforcement is
wound in both directions for the entire length of the
element and secured to the tooling connections.
Nitrile rubber with special reinforcement in the
stress areas forms both the outer seal and bladder
parts. The Nitrile rubber’s high elasticity characteristics ensure a fast return to original shape when
deflated.
HD Packer for Hydrofracturing
to Improve Water Yield
Features:
• Durable design for repeated sets Customers have reported that as many
as 600 sets have been recorded with the
inflation element continuing to function
normally.
• Fast inflation and deflation - Set and
deflate in less than a minute.
• Well suited for high pressure Hydrofracturing to pressures of 3900
PSI (269 BAR) can be achieved in a 6”
bore hole. Refer to page “5” for part
numbers.
• Low volume inflation requirements Volume of inflation fluid required per
packer in a 6” bore hole 2.2 gallons or
8.5 liters.
• Easy to operate.
HD Straddle Packer for Hydrofracturing
to Improve Water Yield
Inflate Line
Inflate Line
Open Hole
Open Hole
Inflate Line
10
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Page 12
Exploratory Water Well Testing
Wireline
To study the feasibility of a potential waterwell
site, TAM International has successfully
employed a test method which significantly
reduces the costs of drilling and testing. Water
quality, production rates, and static and bottom
hole pressures (BHP) can all be determined at
several depths in a single trip inside a small
diameter borehole.
Packoff
Flow Meter
Air Lift Line
Advantages:
• No large diameter “dry” holes
Work String
• Accurate water production pre-planning
• Less expensive drilling and testing
operations
Pressure
Gauge
Standing
Valve
• Fast results
Procedure:
1
Drill & core
small holes to
depth. Run
inflatable
straddle test
tool.
Run wireline
gauge & standing
valve. Inflate and
shut in for static
bottom hole
pressure.
2
Test Zone
3
Memory
Pressure
Gauge
(optional)
Pull wireline 4
gauge and
standing valve.
Initiate air lift
procedure.
Produce and
sample flow
stream.
Lower wireline standing
valve into
seat and monitor pressure
build up.
5
Release
packers and
reposition.
Test additional
zones as
required.
11