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Drilling mud additive polyacrylamide

1. Product characteristics

White or yellow powder, non-toxic, non-corrosive, easily solubale in water, mainly used as a selective flocculant for non-dispersed, low solid phase water-based drilling fluid.it can help to reduce water losses, improve drilling fluid rheological properities and reduce the friction resistance as well.

2.specifications

Physical and chemical specifications

Drilling fluid performance index

Items

specifications

Item

Specifications

Solid content(%)

≥89

Flocculant time(s)

≤40.0

Purity(%)

≥89

Filtration reducing rate

≥30.0

Fineness(0.99mm sieve margin)

≤10

Molecular weight(million)

300-600

Degaree Hydrolysis(%)

25-35

3. Application

In oil exploitation, polyacrylamide is mainly used for drilling mud as well as Enhanced Oil Recovery, etc., which is widely used in drilling, completion, cementing, fracturing, enhanced oil recovery and other mining operations in the oil field. ZL’s products have been used successfully for many years as drilling mud additives for flocculant , dispersants, blocking agent , lubricants , fluid loss additive, and shale inhibition agent etc. With the continues progress, ZL devotes to develop the products with optimum performance to meet the increased requirement of water based drilling fluid.

Flocculant
The polarity gene adsorbs the solid particles dispersed in water, bridges between the particles and formats the large aggregates, sedimentation and separates of water, flocculates detritus and clay in drilling fluid.

Dispersant
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.

Blocking Agent
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.

Lubricant
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.

5. Attention

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.