High viscosity polyacrylamide is aimed at ultra-high molecular weight polyacrylamide in the process, due to shear resistance and viscosity degradation caused by weaknesses, and development and production of modified polyacrylamide products, which is added during the polymerization of special Functional monomers, so that the ordinary polyacrylamide modified, increasing its effective branching, so that the viscosity increase, to ensure the injection of injection fluid injection wellhead viscosity.
My company mainly produces the following two kinds of high viscosity polyacrylamide products, its performance is as follows:
|
Technical index name |
Product code and technical indicators | ||
|
NP—2010 |
NP—2020 | ||
|
Exterior |
White granule powder |
White granule powder | |
|
Solid content（%） |
≥88 |
≥88 | |
|
Degree of hydrolysis（%） |
≤28 |
≤28 | |
|
Residual amount（%） |
≤0.05 |
≤0.05 | |
|
Screen factor |
≥30 |
≥30 | |
|
Static adsorption viscosity retention，% |
≥80 |
≥80 | |
|
Shear viscosity retention，% |
≥80 |
≥80 | |
|
Apparent viscosity（mpa.s） |
≥15 |
≥20 | |
|
Granules |
Less than0.15㎜Particle content，% |
≤5.0 |
≤5.0 |
|
more than the1.0㎜Particle content，% |
≤5.0 |
≤5.0 | |
Note: 1, the product packaging for 25KG / bag, with the international standards of three paper a membrane valve pocket, can also be packaged according to user needs.
2. The apparent viscosity is measured under the conditions of Shengli Saltwater (total salinity 5727 mg / l, Ca2 ++ Mg2 + 108 mg / l, 70 ℃).
The above products are mainly used in oilfield tertiary recovery, which can be chosen according to the characteristics of different blocks in the oilfield (formation temperature, salinity of formulated water, etc.).
 Nonionic polyacrylamide |  Zwitterionic polyacrylamide |  Cationic polyacrylamide |
 Temperature salt polymer | High viscosity polyacrylamide |  High molecular weight polyacrylamide |
 Polyacrylamide |
