CN105219362A
|
|
A kind of method for making of efficient anti-collapse leakproof drilling fluid
|
CN104174351A
|
|
Special reaction tank for producing naphthalene water reducing agents
|
CN104174314A
|
|
Material mixing device for water treatment agent
|
CN104174345A
|
|
Oilfield auxiliary chemical production equipment system
|
CN104176862A
|
|
Water treatment agent production wastewater treatment device
|
CN104258923A
|
|
Graded mixing device for leak preventer for well cementation
|
CN104178094A
|
|
Composite-type oil well cement filtrate reducer and preparation method thereof
|
CN104017551A
|
|
Ionic liquid cement mortar early-strength admixture
|
CN104099072A
|
|
Low temperature oil well early strength well cementing agent
|
CN103881696A
|
|
High-water-solubility and high-temperature-resistant Mannich base corrosion inhibitor intermediate and preparation method thereof
|
CN103773338A
|
|
High-temperature-resistant water shutoff agent preparation method
|
CN102268247B
|
|
Fibrous water-soluble shielding temporary plugging agent
|