External Casing Packers (ECP) are primary cementing and zonal isolation packers designed with inflatable pack-off elements to provide an annular seal between casing and wellbore.
ECP Assemblies are hydraulically operated. Applied casing pressure initially opens the packer inflation valve. A secondary closing valve shears to trap inflation fluid in the packer once the preset shear value has been reached.
ECP Assemblies are available for most casing sizes, weights, grades, and thread connections. ECP Packer Element expansion capabilities and pressure ratings are shown in the Differential Pressure Curves. Packer Element are available in 1, 3, and 6 m lengths.
Features and Benefits
The following features were designed into ECP Assemblies, making it the premium product in its class.
Casing Size | Maximum OD | Size Class | ||||
Standard Clearance | Special Clearance | |||||
mm | Inch | mm | Inch | mm | Inch | |
60.33 | 2 3/8 | 91.95 | 3.62 | 86.11 | 3.39 | 060 |
73.03 | 2 7/8 | 107.95 | 4.25 | 92.71 | 3.65 | 073 |
88.90 | 3 1/2 | 120.65 | 4.75 | 109.22 | 4.30 | 089 |
101.60 | 4 | 133.35 | 5.25 | 127.00 | 5.00 | 102 |
114.30 | 4 1/2 | 146.05 | 5.75 | 141.28 | 5.56 | 114 |
127.00 | 5 | 158.75 | 6.25 | 151.13 | 5.95 | 127 |
139.70 | 5 1/2 | 177.80 | 7.00 | 165.10 | 6.50 | 140 |
146.05 | 5 3/4 | 184.15 | 7.25 | 171.45 | 6.75 | 146 |
168.28 | 6 5/8 | 201.42 | 7.93 | 193.80 | 7.63 | 168 |
177.80 | 7 | 209.55 | 8.25 | 203.20 | 8.00 | 178 |
193.68 | 7 5/8 | 228.60 | 9.00 | 222.25 | 8.75 | 194 |
219.08 | 8 5/8 | 260.35 | 10.25 | 254.00 | 10.00 | 219 |
244.48 | 9 5/8 | 285.75 | 11.25 | 279.40 | 11.00 | 244 |
273.05 | 10 3/4 | 323.85 | 12.75 | 314.45 | 12.38 | 273 |
298.45 | 11 3/4 | 349.25 | 13.75 | 339.85 | 13.38 | 298 |
339.73 | 13 3/8 | 400.05 | 15.75 | 381.00 | 15.00 | 340 |
406.40 | 16 | 463.55 | 18.25 | 454.15 | 17.88 | 406 |
473.08 | 18 5/8 | 558.80 | 22.00 | 546.10 | 21.50 | 473 |
508.00 | 20 | 584.20 | 23.00 | 571.50 | 22.50 | 508 |
558.80 | 22 | 635.00 | 25.00 | 609.60 | 24.00 | 558 |
At Integrity Downhole, we harness our experience to deliver downhole equipment that not only meets but exceeds the highest industry standards.
Dedicated to driving efficiency and lowering costs, our rigorously tested products ensure reliable wellbore integrity and zonal isolation.
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