CN107514246A
|
|
Water acquisition water filling assembly in single-well injection-production system
|
CN107666221A
|
|
A kind of submersible electric machine with oil rotor assembling structure
|
CN105952796A
|
|
Magnetofluid suspension bearing with uniformly distributed magnetofluid
|
CN105978213A
|
|
Magnetic fluid suspension bearing of disc motor
|
CN105298811A
|
|
Leaked water recycling device for sealed pressurizing protector of pressurizing water injection pump
|
CN105312486A
|
|
Shuttering hardening agents
|
CN104100523A
|
|
Transmission protection device of screw reinjection pump in same-well injection-production unit
|
CN103256031A
|
|
Oil extraction and water injection synchronous conduction control system in same oil well
|
CN103216467A
|
|
Novel multilevel horizontal centrifugal pump
|
CN102594009A
|
|
Rotor magnetic levitation structure for double-stator disc motor flywheel energy storage device
|
CN102437698A
|
|
Rotor structure of permanent-magnet submersible motor with starting squirrel cage
|
CN102434458A
|
|
2/3-molded-line double-head single-screw pump applicable to oil extraction in oil field
|
CN102305212A
|
|
Down-hole high load-bearing pressure distribution apparatus of electric submersible progressive cavity pump
|
CN102588330A
|
|
Anti-abrasion device for centrifugal water-injection electric pump blade guide wheel
|
CN102487228A
|
|
Double-stator alternating current motor flywheel power accumulator
|
CN102486168A
|
|
Power assisting device of rodless reciprocating electrical submersible pump
|
CN102082482A
|
|
Flywheel accumulator body structure
|
CN102055260A
|
|
Rotor structure for 12-pole permanent magnet submersible motor
|
CN102055261A
|
|
Rotor structure of 24-pole permanent-magnet submersible motor
|
CN102055252A
|
|
Stator punching sheet for low-speed permanent magnet submersible motor
|