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AP-2 Polyamine Shale Inhibitor
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Shale Inhibitor

Introduce

Product Description

 

AP-2 is a amine-based clay stabilizer which can be used in high-performance water based drilling fluid or completion fluids. AP-2’s amine compounds on molecular chain give it a greater inhibition and can effectively restrain the hydration expansion of clay particles. It mainly depends on the special structure which firmly absorbs on the clay to reduce the layer spacing to stabilize clay and borehole. AP-2 can effectively reduce borehole instability and reservoir damage caused by clay hydration expansion. The recommend dosage is 0.5-1.0% (v/v).

 

Technical Specification

 

Items

Specifications

Appearance

Viscose liquid

Freezing point, ℃

≤ -40.0

Total amine value, mmol/g

≥ 4.5

Inhibiting rate of mud-making, %

≥ 90.0

FLAPI Increase Rate after hot rolling,%

≤ 50.0

 

Features

It can effectively inhibit the hydration expansion of clay.

Resist salt, calcium and magnesium and can be applied to freshwater, saltwater and seawater drilling and completion fluids.

Resist high temperature up to 200 ℃, can be applied to deep well and ultra-deep wells.

Freezing point is low, can storage and use in extreme cold conditions.

Protect reservoirs.

 

Package and Storage

It is a liquid packaged in 5 gal cans and 55 gal drums. International packaging may vary. And they shall be stored in a shady and dry place with good ventilation.

 

Safety

They shall be avoided contact with eyes, skins and clothes, otherwise flush it with water. Handling methods and dangerous data shall be referred to MSDS.

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