Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Early strength foam cement slurry for well cementation
The invention discloses early strength foam cement slurry for well cementation. The early strength foam cement slurry comprises the following components in parts by mass: 100 parts of sulphoaluminate cement, 4-12 parts of a foaming agent, 2-7 parts of a foam stabilizer, 1-3 parts of a retarder, 3-5 parts of a fluid loss agent and 30-40 parts of water. The early strength foam cement slurry provided by the invention has the advantages that the density can be adjusted within 0.55-1.40 g/cm<3>; the low-temperature strength is rapidly developed; the early strength foam cement slurry is applicable to the cementation of an oil-gas well of which the bottom-hole temperature is 4-25 DEG C.
Early strength foam cement slurry for well cementation
The invention discloses early strength foam cement slurry for well cementation. The early strength foam cement slurry comprises the following components in parts by mass: 100 parts of sulphoaluminate cement, 4-12 parts of a foaming agent, 2-7 parts of a foam stabilizer, 1-3 parts of a retarder, 3-5 parts of a fluid loss agent and 30-40 parts of water. The early strength foam cement slurry provided by the invention has the advantages that the density can be adjusted within 0.55-1.40 g/cm<3>; the low-temperature strength is rapidly developed; the early strength foam cement slurry is applicable to the cementation of an oil-gas well of which the bottom-hole temperature is 4-25 DEG C.
Early strength foam cement slurry for well cementation
XI FANGZHU (Autor:in) / SUN FUQUAN (Autor:in) / ZENG JIANGUO (Autor:in) / LIU AIPING (Autor:in) / GAO YONGHUI (Autor:in) / XIONG YUDAN (Autor:in)
30.09.2015
Patent
Elektronische Ressource
Englisch
Well cementation cement slurry composition and well cementation cement slurry
| Europäisches Patentamt | 2022
| Europäisches Patentamt | 2023
Variable-density foam cement slurry well cementation method and well completion structure
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2024