CN111441736A
|
|
Underwater natural gas hydrate wellhead device with heat preservation function
|
CN111535795A
|
|
Simulation detection system for underwater natural gas hydrate wellhead device
|
CN111236909A
|
|
Full-bore infinite staged fracturing tool and using method thereof
|
CN110846017A
|
|
Acidic clean fracturing fluid for acidizing fracturing production increasing measures of oil and gas reservoir
|
CN111057533A
|
|
Acidic fracturing fluid system for oil and gas reservoir acid fracturing production increasing measures and preparation method
|
CN110804431A
|
|
Thickening autogenous acid generating system for oil-gas reservoir acid fracturing production increasing measures and preparation method
|
CN111849453A
|
|
Polychlorinated ketol self-acid generator and use method thereof
|
CN110857618A
|
|
Remote control ball-throwing device
|
CN110551494A
|
|
Composite water-based fracturing fluid for fracturing yield-increasing measures and preparation method thereof
|
CN110540831A
|
|
Micron-sized degradable gel particles for acidification and temporary plugging and preparation method thereof
|
CN109667555A
|
|
The hanging packer and tieback plug and construction technology of the low setting pressure of full-bore
|
CN109306859A
|
|
A kind of medicine-filling device of no pipeline oil jacket annulus
|
CN108868726A
|
|
For the component of horizontal segment reservoir fracturing and its fracturing process of infinite stages full-bore
|
CN108795402A
|
|
A kind of guanidine gum fracturing fluid and preparation method thereof for superhigh temperature reservoir
|
CN108794648A
|
|
A kind of carboxymethyl guanidine glue of modification and preparation method thereof
|
CN107869323A
|
|
A kind of solvable bridging plug and its construction technology
|
CN107868660A
|
|
A kind of emulsification acid solution of oil-gas reservoir acidifying and preparation method thereof
|
CN107523286A
|
|
A kind of cleaning slippery water fracturing fluid for shale reservoir and preparation method thereof
|