abstract |
MAINTENANCE METHODS IN A WELL AND CEMENT HOLE. A well bore maintenance method, which consists of placing a cement composition composed of magnesium oxide burned by light, water and an alkali metal chloride in the well hole, and allowing the composition to cure. A cementation method, which consists of preparing a cement composition composed of magnesium oxide burned by light, water and an alkali metal chloride, and allowing the composition to cure. |