|
CN109369847A
|
|
A kind of ultralow degree of hydrolysis polyacrylamide and synthetic method
|
|
CN109369441A
|
|
A kind of raising recovery ratio polymer stabilizer-aliphatic ammonium salt
|
|
CN109369841A
|
|
A kind of multifunction surface active polyacrylamide and its synthetic method
|
|
CN109233781A
|
|
The vesica oil displacement agent and application that a kind of anionic surfactant compound system is formed
|
|
CN109207135A
|
|
A kind of novel surfactant compound system reducing oil water interfacial tension
|
|
CN109207136A
|
|
High salinity reservoirs displacement of reservoir oil compound surfactant composition
|
|
CN109207134A
|
|
Efficient surfactant oil displacement composition and preparation method thereof
|
|
CN109294547A
|
|
A kind of displacement of reservoir oil anionic and nonionic amphoteric surfactant and preparation method thereof
|
|
CN109293052A
|
|
A kind of water base rejected well drilling liquid breaks colloid system and preparation method thereof
|
|
CN109233767A
|
|
One kind can consolidate complex silicate salt envelope and alter system and preparation method thereof
|
|
CN108865095A
|
|
A kind of application of high-temperature corrosion inhibitor in tertiary oil recovery
|
|
CN109181668A
|
|
A kind of sewage matches application of the calcium and magnesium antisludging agent in tertiary oil recovery
|
|
CN105384881A
|
|
Temperature and salt resistant polymer prepared from sewage, and preparation method thereof
|
|
CN105368422A
|
|
Pre-crosslinking swell particle profile-control agent and preparation method thereof
|
|
CN105461081A
|
|
Composite flocculant for treating oilfield sewage and preparation method thereof
|
|
CN105370251A
|
|
Deep profile control device for oil extraction
|
|
CN105363405A
|
|
Heterogeneous phase mixing, reaction and separation integrated cyclone reactor
|
|
CN105396505A
|
|
A granulation device with a dedusting mechanism
|
|
CN105384873A
|
|
Polynary high-molecular copolymer for oil extraction, and preparation method thereof
|
|
CN104973672A
|
|
Oil-removal water-purifying agent for oil field sewage and preparation method thereof
|
