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Temperature-resistant high-thermal-conductivity well cementation cement slurry system suitable for geothermal well and preparation method of well cementation cement slurry system
The invention relates to the technical field of geothermal resource development materials, in particular to a temperature-resistant high-thermal-conductivity well cementation cement slurry system suitable for a geothermal well and a preparation method of the temperature-resistant high-thermal-conductivity well cementation cement slurry system. The temperature-resistant high-thermal-conductivity well cementation cement slurry system suitable for the geothermal well comprises the following components in percentage by weight: 38.0 to 63.5 percent of G-grade oil well cement, 15.0 to 15.0 percent of a siliceous material, 10 to 15 percent of serpentinite, 10 to 30 percent of a temperature-resistant heat-conducting material, 0.5 percent of a high-temperature stabilizer and 1 to 1.5 percent of a high-temperature dispersing agent, the additives account for the total mass percentage of the raw materials: 3wt.%-5wt.% of a high-temperature fluid loss agent, 1wt.%-3wt.% of a high-temperature retarder and 0.25 wt.% of a defoaming agent. The material has the characteristics of strong high-temperature resistance, high heat conductivity coefficient, good toughness, micro-expansion, gas channeling prevention and the like.
本发明涉及地热资源开发材料技术领域，具体涉及适用于地热井的耐温高导热固井水泥浆体系及其制备方法，所述适用于地热井的耐温高导热固井水泥浆体系包括按重量百分比计的：38.0wt.％～63.5wt.％G级油井水泥、15.0wt.％硅质材料、10wt.％～15wt.％蛇纹岩、10wt.％～30wt.％耐温导热材料、0.5wt.％高温稳定剂、1wt.％‑1.5wt.％高温分散剂，以及占以上原料总质量的百分比的外加剂3wt.％～5wt.％高温降失水剂、1wt.％～3wt.％高温缓凝剂、0.25wt.％消泡剂。本发明具有抗高温能力强、导热系数高，韧性好、微膨胀防气窜等特点。
Temperature-resistant high-thermal-conductivity well cementation cement slurry system suitable for geothermal well and preparation method of well cementation cement slurry system
The invention relates to the technical field of geothermal resource development materials, in particular to a temperature-resistant high-thermal-conductivity well cementation cement slurry system suitable for a geothermal well and a preparation method of the temperature-resistant high-thermal-conductivity well cementation cement slurry system. The temperature-resistant high-thermal-conductivity well cementation cement slurry system suitable for the geothermal well comprises the following components in percentage by weight: 38.0 to 63.5 percent of G-grade oil well cement, 15.0 to 15.0 percent of a siliceous material, 10 to 15 percent of serpentinite, 10 to 30 percent of a temperature-resistant heat-conducting material, 0.5 percent of a high-temperature stabilizer and 1 to 1.5 percent of a high-temperature dispersing agent, the additives account for the total mass percentage of the raw materials: 3wt.%-5wt.% of a high-temperature fluid loss agent, 1wt.%-3wt.% of a high-temperature retarder and 0.25 wt.% of a defoaming agent. The material has the characteristics of strong high-temperature resistance, high heat conductivity coefficient, good toughness, micro-expansion, gas channeling prevention and the like.
本发明涉及地热资源开发材料技术领域，具体涉及适用于地热井的耐温高导热固井水泥浆体系及其制备方法，所述适用于地热井的耐温高导热固井水泥浆体系包括按重量百分比计的：38.0wt.％～63.5wt.％G级油井水泥、15.0wt.％硅质材料、10wt.％～15wt.％蛇纹岩、10wt.％～30wt.％耐温导热材料、0.5wt.％高温稳定剂、1wt.％‑1.5wt.％高温分散剂，以及占以上原料总质量的百分比的外加剂3wt.％～5wt.％高温降失水剂、1wt.％～3wt.％高温缓凝剂、0.25wt.％消泡剂。本发明具有抗高温能力强、导热系数高，韧性好、微膨胀防气窜等特点。
Temperature-resistant high-thermal-conductivity well cementation cement slurry system suitable for geothermal well and preparation method of well cementation cement slurry system
适用于地热井的耐温高导热固井水泥浆体系及其制备方法
2024-02-23
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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