Spherelube GL — Himprom

Purpose

Spherelube GL is used in oil industry when drilling in deep wells and wells with large vertical departure and before running the casing (tail). Thanks to the high density compared to polymer beads, glass beads remain suspended in high density solutions. Spherelube GL has certain advantages: the product is made of high-quality glass, is not prone to destruction during usage. Additionally, the product is chemically inert, resistant to high temperatures and pressures, and can be used in water-based and oil-based drilling fluids.

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Physical and chemical properties

Property

Standard

Appearance

Homogeneous bulk material of white color. Gray, green and blue shades are allowed

% of mass granules with size of less than 1 mm, min

98,0

% of mass granules with size of less than 0.85 mm, min

Bulk density, g/cm3

1,50-1,70

Recommendations to application

TIn order to avoid settling of microspheres in the preparation tank, it is recommended to inject Spherelube GL immediately before spotting pill on the bottom. Use of microspheres, the particle size of which exceeds the size of the filter holes, will increase the lubricity of the agent and prevent partial clogging of the filters. The recommended concentration for reducing friction and torque is 5-20 kg/m3 . For lowering the casing, the optimal concentration is from 20-35 kg/m3 .