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Application Of High Performance Hollow Glass Microspheres On Cementing Slurry
- Mar 22, 2017 -

1, hollow glass microspheres with high performance density adjustable range, reduce the density effect, protecting oil and gas reservoirs. Hollow glass microspheres with high performance and low density cement slurry density minimum fell to 0.70 g/cm³. At present, the density of 1.10~1.50 g/cc low density cement slurry has been widely used in major oil fields.

2, high compressive strength, good stability under high temperature and pressure.

Hollow glass microspheres are inorganic non-metallic materials with high performance, high temperature resistance, good chemical stability.

3, helps reduce water loss rate

High performance hollow glass Microsphere particle size smaller, easy cake blocking tiny holes on the surface to form a dense cake.

4, can be adjusted the thickening time

5, good rheological

Due to the high performance hollow glass microspheres are spheres, can be mixed with other oil-well cement additive, so good rheological fully satisfy the requirements for cementing.

6, high fill rates

High performance hollow glass microspheres are small size perfect spheres, can be closely integrated with additives such as Silicon, high fill rates.

7, gas-channeling prevention performance, sealing gas and water layers.

Hollow glass microspheres with high performance dry mixture when mixed with various additives and water to form a dense network structures, and casing cementation intensity is high, effectively sealing gas and water layers to prevent leakage, pollution in reservoir, effectively preventing the formation of corrosive gas or liquid corrosion of casing.

8, hollow glass microspheres with high performance and low density cement slurry can reduce the bearing of deep-sea oil platforms, effectively across the sea, to prevent corrosion of the casing, as well as high performance hollow glass microspheres with insulation function, can effectively prevent the deepwater production casing and the water heat exchanger. Preventing drilling fluid and completion fluid and oil temperature is too low cause pumping problems.