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Drilling fluid additives
AU-28 Water-Based Paraffin Inhibitors
AU-28 Water-based paraffin inhibitor
AU-28 is a compound of water-soluble Paraffin agent, it applies to water wells
(≥30%) Paraffin. The product contains a surfactant, water can reduce crude
oil-water interfacial tension, so that the W/O emulsion inverted to form O/W
emulsion. As the water formed a foreign minister (continuous phase), water,
and sucker rod and tubing wall surface contact is not easy to wax; the same
time, the original oil and oil molecules into water and the internal friction of
the friction between water molecules that, while the viscosity of water degree
is much lower than the viscosity of crude oil, wax viscosity to play a role.
The products in the wetting agent can change the metal surface state, the metal
surface to become hydrophilic polar surface is not conducive to non-polar
paraffin dip in the plot on the metal surface, while activity in the metal surface
to form a water film, this layer of water film not only prevents metal contact
with the surface of paraffin wax effect, but also reduce the oil flow and the
wall friction and reduce the pumping load.
(1) Appearance: colorless or light yellow liquid;
(2) Density: 0.95 ~ 1.00g/cm3;
(3) Freezing point: ≤ -45 ℃
(4) PH value: ≤ 8;
(5) Mobility: -34 ℃under the conditions of fluidity;
(6) Solid content: ≥ 30%;
(7) wax rate: ≥ 50%
Increase the use of dosing pumps or bottles of medicine will Paraffin agent
continuously or intermittently adding the oil wells set of annular space.
Continuous dosing of liquids production of 0.01 to 0.05%, intermittent dosing
for each of the 25 ~ 200kg, 7 ~ 15 day cycle.
25kg plastic drum or 200kg metal pail, non-dangerous goods transport.
Stored in the cool air, the effective storage period is one year.