Weighting agent for channeling prevention oil well cement slurry, cement slurry and preparation method of cement slurry

• Main Authors: FANG CHUNFEI, LIU FEI, TAN CHUNQIN, ZHOU SHIMING, YANG HONGQI, WEI HAOGUANG
• Format: Patent
• Language: Chinese; English
• Published: 05.09.2017
• Subjects: ADHESIVES; ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; DYES; LIME, MAGNESIA; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; POLISHES; REFRACTORIES; SLAG; TREATMENT OF NATURAL STONE

The invention relates to a weighting agent for channeling prevention oil well cement slurry. The weighting agent is characterized in that the weighting agent is nano manganese tetraoxide spherical weighting agent. The invention further relates to the cement slurry comprising a weight regulator and a...