High-temperature-resisting thermal recovery cement and preparation method thereof
A warm and high-resistant technology, applied in the field of thermal recovery cement and its preparation, can solve the problems affecting the production life of heavy oil thermal recovery wells, high temperature strength decline, permeability increase, etc., to achieve strong production controllability, high strength The effect of not fading and overcoming the decline in compressive strength
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[0018] Example 1:
[0019] Weigh 55 parts by weight of aluminate cement clinker, 10 parts by weight of phosphate rock slag, and 30 parts by weight of slag, mix them, and then pour them into a ball mill for grinding. The mixed powder is ground to a Blaine specific surface area of 250m 2 / kg, add 1 weight part of ceramic fiber and 2 weight parts of rubber powder, mix for 10 minutes, and then heat mining cement is made.
Example Embodiment
[0020] Example 2:
[0021] Weigh 65 parts by weight of aluminate cement clinker, 30 parts by weight of phosphate rock slag, and 10 parts by weight of slag, mix them, then pour them into a ball mill for grinding, and grind the mixed powder until the Blaine specific surface area is 260m 2 / kg, add 3 parts by weight of ceramic fiber and 3 parts by weight of rubber powder, mix for 10 minutes, and then heat the cement to make it.
Example Embodiment
[0022] Example 3:
[0023] Weigh 65 parts by weight of aluminate cement clinker, 30 parts by weight of phosphate rock slag, and 20 parts by weight of slag, mix them, then pour them into a ball mill for grinding, and grind the mixed powder until the Blaine specific surface area is 270m 2 / kg, add 2 parts by weight of ceramic fiber and 2 parts by weight of rubber powder, mix for 10 minutes, and then heat the cement to make it.
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