Access unconventional resources with expandable steel open hole zonal isolation packer technology
Challenge
Shale fracturing requires high pressure to stimulate the formation (Shale). Depth, deviation, temperature, high pressure are often obstacles that cementing operations and swellable packers cannot overcome.
Solution
Our Openhole Multistage shale fracturing system allows efficient and controlled stimulation operations in difficult well conditions (Up to 160 degC/320 degF). Since it is an openhole application, complex and uncertain cementing of the production casing is avoided. Once activated, the Steel Packers guarantee perfect isolation of each zone, which can be successively stimulated. Saltel Isolation Packers can also be used to isolate screens or pre-perforated casings. Either putting the well on pressure or using a straddle tool can successively expand the packers and stimulate the targetted zones.
| _ | Xpandable steel FracPacker 10K | Xpandable steel FracPacker 15K |
|---|---|---|
| Mounting | Welded | Crimped |
| Valve system | Safety closing valve | Safety closing valve |
| Sealing System | Deformable corrosion-resistant alloy (CRA) sleeve with elastomer seal | Deformable corrosion-resistant alloy (CRA) sleeve with elastomer seal |
| Reliability | Gentle setting avoids frac initiation at packer position | Gentle setting avoids frac initiation at packer position |
| Performance | Self energized High pressure differential Unaffected by temperature variations | Self energized High pressure differential Unaffected by temperature variations |
| Max DeltaP Compensated | 10,000 psi | 15,000 psi |
| Max DeltaP Not Compensated | 800 psi | 1,200 psi |
| Max Temp. | 300 degF - 150 degC | 320 degF - 160 degC |
| Qualification | API 19 OH V1 | API 19 OH V1 |