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Open Hole Ball-Drop Multi-Stage Fracturing

Provide immediate efficient seal, whatever the fluids or the temperature cycles*

 *FracPackers not available in Europe

 

Openhole isolation is challenging, especially with irregular borehole geometries. With the high flow rates used during hydraulic stimulation, the temperature can drop in elastomer sealing elements, causing thermal contraction and leaks. 

 

 

MULTI STAGE FRACTURING

Proposed solution

Saltel Steel FracPacker has no moving parts and is set almost instantly by pressuring-up the casing.

The strong mechanical structure will allow the string to be rotated, reciprocated and together with the large clearance will avoid any damage running in hole. The self-centralization will reduce the number of centralizers.

The steel packer will also be able to self-adapt to irregular borehole geometry, and to re-energise as soon as pressure is used in the interval. A pressure compensation system improves the seal as the frac pressure increases.

 

 

 

  

Product line Saltel FracPacker 10,000 psi Saltel FracPacker 15,000 psi
Features Mounting Welded Crimped
Valve system Safety closing valve
Sealing System Deformable steel sheath with elastomer seal
Benefits Reliability Gentle settting, avoiding frac initiation at packer position
Performance Self energized High pressure differential from one direction Unaffected by temperature variations