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 preparation method of the cement slurry. 本发明涉及种用于防窜固井水泥浆的加重剂，其特征在于，所述加重剂为纳米四氧化三锰球形加重剂。本发明还涉及包括该重量调节剂的水泥浆及其制备方法。