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Sinopec Standard
Drilling fluid plugging agents with high water loss Q/SH1500 0041-2013
Shielding temporary blocking agent Q/SH1020 2303-2015
Drilling plugging agent Q/SH1020.2299-2015
Non permeable treatment agents for drilling fluids
Anti collapse lubricant for drilling fluid (Q/LSJX03-2012)
Bridge plug plugging agent for drilling fluid (Q/SYCQZ 238-2012)
Non fluorescent lubricants for drilling fluids (Q/SH1020 1210-2009)
Non fluorescent anti collapse agent for drilling fluids (Q/SH1020 1054-2009)
PetroChina Standard
Drilling fluid plugging agent (modified plant fiber) (Q/SY17096-2016)
Drilling fluid plugging agent (modified plant fiber) (Q/SY1096-2012)
Unidirectional pressure sealing agent for drilling fluid (Q/SHCG52-2013)
Liquid lubricants for drilling fluids (Q/SY17088-2016)
Composite plugging agent for drilling fluid (Q/SYTZ0120-2005)
other
Rubber (particle) plugging agent
Fruit shell plugging agent
Silicate fiber plugging agent
Drilling fluid plugging agent Q/SH 3450-0010-2013
Pressure bearing plugging agent for drilling fluid (IIIIV)
Drilling fluid plugging enhancer CQ/JXQW-2015
Non permeable treatment agents for drilling fluids (Q/SH1020 1844-2007)
Solid lubricants for drilling fluids (Q/JXSY009-2023)
Non fluorescent anti collapse and filter loss agents for drilling fluids
Fruit shell plugging agent
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Silicate fiber plugging agent