“钻井级重晶石粉API”参数说明
“钻井级重晶石粉API”详细介绍
1.钻井泥浆加重剂:做钻井泥浆用的重晶石一般细度要达到325目以上,如重晶石细度不够则易发生沉淀。钻井泥浆用重晶石要求比重大于4.2,BaSO4含量不低于95%,可溶性盐类小于1%。
产品规格:
Item Value Value
Specific gravity 4.20 min 4.10 min
Ba(Sr)SO4 88% min 88% min
Hg 1ppm max 1ppm max
Cd 3 ppm max 3 ppm max
Ph Value 6~9 6~9
Iron 1% max 1% max
Water Soluble Alkaline Earth as Calcium 250mg/kg max 250mg/kg max
Extractable Carbonates 3000mg/l max 3000mg/l max
Soluble Sulfides 100mg/l max 100mg/l max
Residue grater than 75um 3.0% max 3.0% max
Moisture 2% max 2% max
Mesh 200mesh 200mesh
产品规格:
Item Value Value
Specific gravity 4.20 min 4.10 min
Ba(Sr)SO4 88% min 88% min
Hg 1ppm max 1ppm max
Cd 3 ppm max 3 ppm max
Ph Value 6~9 6~9
Iron 1% max 1% max
Water Soluble Alkaline Earth as Calcium 250mg/kg max 250mg/kg max
Extractable Carbonates 3000mg/l max 3000mg/l max
Soluble Sulfides 100mg/l max 100mg/l max
Residue grater than 75um 3.0% max 3.0% max
Moisture 2% max 2% max
Mesh 200mesh 200mesh