8589356405

A.Isatayev. V. Bondarenko. RATIONAL CHOICE OF LIQUIDS FOR K1LLING OF WEUS

at 80 C at 20°C

Content of water phase, %

Fi

g. 3 - The dependence of effective viscosity of the HEC on the content of

water phase at shear ratę of 15s*^ł

at 80°C at 20°C

Content of water phase,%

Fig. 4 - The dependence of the effective viscosity of the HEC on the content of water phase at shear ratę of 90 s'¹

Studies of static stress of shear (SSS) from the content of the water phase in HEC showed an increase of SSS at increase of water phase. A significant increase of SSS is observed with the increase of water phase from 85 to 90%.

CONCLUSION

Journal oflndustrial Technology and Engineering, 2012, 2(3): 19 - 24

Thus,    performed    studies on    the

rheological properties, thermal stability and electrical stability of IW/OE allowed to point out the main parameters and to determine the dependencies, allowing developing    the

composition of effective liquid for killing for specific geological -and - technical conditions of deposit:

- for aggregative consistency of liąuid for killing at the temperaturę 80° C for 3 or morę days in the water phase it is necessary to include morę than 5% of masses of calcium chloride at the Yalan-E2 emulsifier content morę than 3% of masses;

-    the effective viscosity of the HEC stabilized by emulsifier Yalan-E2 morę than 3% of masses, varies in a wide rangę at the content of water phase from 50 to 90%, a significant increase of this parameter was observed with the increase of water phase from 75 to 90%;

-    at the content of water phase from 80 to 90% the effective viscosity increases with the increase of temperaturę from 20 to 80° C at Iow shear rates. This can be explaincd by the

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