Illustration of self energetic SMP sealing packer in downhole. (a) packer in downhole; (b) expansion with a certain temperature in any media ĘC gas, oil or water; (c) Self energetic isolation.
The features of IntelliShape(TM) - thermally activated SMPs:
*Activated only by heat in all kinds of media, such as gas, oil or water. *Shape change: more than 400%. *Designable shape memory transition temperature in the range of 90 degree C to 175 degree C. *Fast response during the deformation. *Glass state at low temperature and rubber state at high temperature. *Easy manipulation above shape transition temperature. *Processed using traditional polymer processing methods, such as compression mold, extrusion, etc.
The features of LubriSwell/HydriSwell(TM) - thermally activated oil/water swellable SMPs:
*Shape change: 100% to 1100%. *Shape transition temperature: 90 degree C to 140 degree C. *Oil and water swellable SMPs expansion: 2 times more than run-in volume. *Usage in construction, oil industry for sealing water leaking and zonal isolation.
Advantages of swellable SMPs compared to swellable materials:
*Designable the ratio of expansions of memory and swelling *Larger change in the thickness *Maintaining higher modulus after expansion
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