Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Anti-channeling anti-erosion well cementation cement paste
The invention discloses anti-channeling anti-erosion well cementation cement paste, and relates to the field of oil and gas well cementation engineering. The method is suitable for complex geological structures, can further improve the stability of high-temperature hydration products, and guarantees the mechanical stability. The high-temperature-resistant corrosion-resistant well cementing material comprises the following components in parts by weight: 100 parts of high-temperature well cementing cement, 20-40 parts of a high-temperature-resistant corrosion-resistant reinforcing material, 40-60 parts of water, 1-2.5 parts of a retarder and 1.5-2.5 parts of a fluid loss agent. The cement paste disclosed by the invention has good engineering performance and adjustable density, so that the well cementation cement stone has high compressive strength, low elastic modulus and high flowability, and the mechanical property of the cement stone is effectively improved; under the conditions of high temperature, high pressure, alternating load and acid medium erosion, the integrity of a well cementation cement stone structure and the sealing performance on oil, gas and water in a stratum can be kept for a long time, and annular air channeling is prevented and controlled. And the anti-erosion reinforcing material is white powder, so that the particle swarm distribution of the cement mixture can be improved, and the rheological property of the cement paste can be optimized.
一种防窜抗侵蚀固井水泥浆.涉及油气井固井工程领域。适用于复杂地质结构，能够进一步提升高温水化产物稳定性，保障力学稳定性。以重量份数计，其组成包括以下组分：高温固井水泥100份，耐高温抗侵蚀增强材料20‑40份，水40‑60份，缓凝剂1‑2.5份，和降失水剂1.5‑2.5份。本发明的水泥浆具有良好的工程性能，密度可调，使固井水泥石具有了高抗压强度、低弹性模量和高流动性，有效改善水泥石的力学性能，能够在高温、高压、交变载荷、酸性介质侵蚀条件下长期保持固井水泥石结构完整性和对地层中油气水的密封性能，防治“环空气窜”的发生。抗侵蚀增强材料为白色粉体，可以改善水泥混合物料的颗粒群分布，优化水泥浆的流变性能。
Anti-channeling anti-erosion well cementation cement paste
The invention discloses anti-channeling anti-erosion well cementation cement paste, and relates to the field of oil and gas well cementation engineering. The method is suitable for complex geological structures, can further improve the stability of high-temperature hydration products, and guarantees the mechanical stability. The high-temperature-resistant corrosion-resistant well cementing material comprises the following components in parts by weight: 100 parts of high-temperature well cementing cement, 20-40 parts of a high-temperature-resistant corrosion-resistant reinforcing material, 40-60 parts of water, 1-2.5 parts of a retarder and 1.5-2.5 parts of a fluid loss agent. The cement paste disclosed by the invention has good engineering performance and adjustable density, so that the well cementation cement stone has high compressive strength, low elastic modulus and high flowability, and the mechanical property of the cement stone is effectively improved; under the conditions of high temperature, high pressure, alternating load and acid medium erosion, the integrity of a well cementation cement stone structure and the sealing performance on oil, gas and water in a stratum can be kept for a long time, and annular air channeling is prevented and controlled. And the anti-erosion reinforcing material is white powder, so that the particle swarm distribution of the cement mixture can be improved, and the rheological property of the cement paste can be optimized.
一种防窜抗侵蚀固井水泥浆.涉及油气井固井工程领域。适用于复杂地质结构，能够进一步提升高温水化产物稳定性，保障力学稳定性。以重量份数计，其组成包括以下组分：高温固井水泥100份，耐高温抗侵蚀增强材料20‑40份，水40‑60份，缓凝剂1‑2.5份，和降失水剂1.5‑2.5份。本发明的水泥浆具有良好的工程性能，密度可调，使固井水泥石具有了高抗压强度、低弹性模量和高流动性，有效改善水泥石的力学性能，能够在高温、高压、交变载荷、酸性介质侵蚀条件下长期保持固井水泥石结构完整性和对地层中油气水的密封性能，防治“环空气窜”的发生。抗侵蚀增强材料为白色粉体，可以改善水泥混合物料的颗粒群分布，优化水泥浆的流变性能。
Anti-channeling anti-erosion well cementation cement paste
一种防窜抗侵蚀固井水泥浆
GAO XIANSHU (Autor:in) / WANG JING (Autor:in) / WANG MIN (Autor:in) / WEN ZHAIJUN (Autor:in) / YU YANG (Autor:in) / GUO SUIHUA (Autor:in) / ZHANG KUNYUE (Autor:in) / MA ZHONGCHENG (Autor:in) / HUANG WEN (Autor:in) / LIU YUN (Autor:in)
01.08.2023
Patent
Elektronische Ressource
Chinesisch
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