CN105498275A
|
|
Low-cost low-energy-consumption CO2 supercritical extraction device and process
|
CN104910990A
|
|
Fuel prepared from waste oil-base mud or oil sludge
|
CN104832139A
|
|
Determination method for injected volume of carbon dioxide during huff-puff process of carbon dioxide
|
CN104863553A
|
|
Novel gas well water block releasing method
|
CN104453812A
|
|
Method for acid stimulation after carbon dioxide huffing-puffing
|
CN104481475A
|
|
Oil well carbon dioxide carbonated water throughput production increasing method
|
CN103899297A
|
|
Pump efficiency testing method for improving throughput success rate of carbon dioxide
|
CN103422838A
|
|
Carbon dioxide huff and puff enhanced oil production method
|
CN103113584A
|
|
Three compound combination flooding adopted environment-friendly preparation method of polyaspartic acid for oil field
|
CN103113864A
|
|
Temporary blocking agent, composite blockage removal agent and combined blockage removal method using temporary blocking agent and composite blockage removal agent
|
CN102040992A
|
|
Rod blockage prevention liquid for carbon dioxide huff-puff enhanced oil recovery and injection method thereof
|