anionic polyacrylamide(PHPA polymer)used for oil drilling
The polarity gene adsorbs the solid particles dispersed in water, bridges between the particles
andformats the large aggregates, sedimentation and separates of water, flocculates detritus and
clay indrilling fluid.
In the drilling mud treatment, this product can improve the lubricity and stability of the mud to reduce
the water loss, prevent sticking effectively, increase drilling efficiency.
The product can generate cross linking under the effect of Al3+, Fe 3+, Ca2+ and other ions, a part of
high molecular compound is changed from linear shape into body shapes. The product is not
water-soluble, and can be adsorbed on the borehole to block ground layer gaps and to prevent the
leakage of drilling fluid.
The product can be absorbed on the surface of metal or clay particles to form liquid film to change
friction on the solid surface into liquid frication, thereby lubricating drill bits and drills, lowering the mud
cake frication coefficient, and reducing underground accidents.
Fluid Loss Additive
The hydrolysis degree is higher, the hydration group on the molecular chain is more, the hydration is
better, and it changes from flocculant into fluid loss additive. Drilling mud should be treated to keep
cake’s permeability as low as possible in order to maintain a stable borehole and to minimize filtrate
invasion, and damage to the pay zone.
Shale Inhibition Agent
The multi-point adsorption of polymer formats to the criss-cross membrane macromolecules, plays a
role of enhancing the stability of borehole.
4. Product package
25 Kg paper plastic three-in-one compound woven bags, or according to users’ requirement; Its shelf
life is 2 years.
The product is moisture absorbent, thus to protect from damp and moist for conservation. It should
be stored in a dry and ventilate storehouse, and not be exposed to air and sunshine
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