|
CN112177591A
|
|
Testing method for simulating flowing state of oil well cement slurry and integrating maintenance and testing
|
|
CN112142407A
|
|
Fiber toughness well cementing material
|
|
CN112174568A
|
|
Modified toughening material for well cementation
|
|
CN111363527A
|
|
Low-temperature high-strength plugging agent for oil and gas well
|
|
CN111072350A
|
|
High-temperature-resistant well cementation cement slurry system
|
|
CN110885222A
|
|
High-efficiency soundless crushing agent and production method thereof
|
|
CN111018389A
|
|
Expanding agent clinker and production method thereof
|
|
CN110861922A
|
|
Extraction method of ampoule bottle in hydration calorimeter
|
|
CN110734259A
|
|
thermoelastic heavy oil thermal recovery well cementation cement
|
|
CN110605014A
|
|
Dry-method desulfurizer production process and system
|
|
CN110721571A
|
|
Dry desulfurizing agent for cement production and preparation method thereof
|
|
CN110526637A
|
|
A kind of ocean deepwater well cementation low-temperature high-early strength mortar architecture
|
|
CN110590212A
|
|
Admixture for oil well cement for low-temperature well cementation
|
|
CN110423078A
|
|
A kind of rigid waterproofing mortar and preparation method thereof
|
|
CN110452671A
|
|
A kind of sealing agent and its application method for foundation pit campshed enclosure wall
|
|
CN110305641A
|
|
A kind of modified fluid loss agent
|
|
CN109437623A
|
|
A kind of Portland clinker and preparation method thereof
|
|
CN109437617A
|
|
A kind of preparation process of Portland clinker
|
|
CN109592945A
|
|
A kind of buried water supply steel tube lining mortar
|
|
CN109437786A
|
|
A kind of effective mending mortar of water supply pipe pccp
|
