| Tank car vehicle-mounted safety belt tying and hanging device and tank car |
2022-12-07 |
2023-3-03 |
2023-3-03 |
| Automatic sewage discharging device for gas cooler outlet pipeline |
2022-11-29 |
2023-4-11 |
2023-4-11 |
| Gas well flow corrosion monitoring device |
2022-11-14 |
2023-3-24 |
2023-3-24 |
| Multipurpose connecting rod |
2022-11-14 |
2023-2-21 |
2023-2-21 |
| Test piece hanger |
2022-11-14 |
2023-3-21 |
2023-3-21 |
| Gas sampling steel bottle conversion valve group |
2022-11-09 |
2023-3-14 |
2023-3-14 |
| Rock core observation device |
2022-11-09 |
2023-3-24 |
2023-3-24 |
| A auxiliary device for spherical pig is got |
2022-11-07 |
2023-3-24 |
2023-3-24 |
| Cart type fire extinguisher |
2022-11-07 |
2023-3-24 |
2023-3-24 |
| Tool for taking and placing abrasion-proof sleeve of oil gas production valve |
2022-11-04 |
2023-2-28 |
2023-2-28 |
| Rubber cylinder sealing performance testing device |
2022-11-03 |
2023-3-14 |
2023-3-14 |
| Rubber plug fixing device |
2022-11-03 |
2023-1-31 |
2023-1-31 |
| Downhole throttling and blocking device for speed pipe column |
2022-11-03 |
2023-4-07 |
2023-4-07 |
| Circulating sliding sleeve for speed pipe column |
2022-11-03 |
2023-1-31 |
2023-1-31 |
| Combined prefabricated foundation pier |
2022-11-03 |
2023-3-14 |
2023-3-14 |
| Sulfur-proof sliding sleeve |
2022-11-03 |
2023-4-07 |
2023-4-07 |
| Soluble liner tube |
2022-11-03 |
2023-3-31 |
2023-3-31 |
| Air cooler bolt fastening tool |
2022-11-02 |
2023-3-14 |
2023-3-14 |
| Method for testing reaction rate of authigenic acid rock |
2022-10-20 |
2023-1-03 |
|
| Pipeline dust removal filter |
2022-10-14 |
2023-1-20 |
2023-1-20 |
| Torch emptying ignition pipeline system |
2022-10-12 |
2023-1-20 |
2023-1-20 |
| Anti-climbing isolation device for long oil and gas pipeline crossing … |
2022-10-10 |
2022-12-02 |
|
| Preparation method of oil well cement expanding agent |
2022-9-29 |
2022-12-23 |
|
| Boiler flue gas system and boiler thereof |
2022-9-08 |
2022-11-29 |
2022-11-29 |
| Sampling device system of natural gas |
2022-9-08 |
2023-1-20 |
2023-1-20 |
| Inner barrel structure of industrial furnace burner |
2022-9-08 |
2022-12-13 |
2022-12-13 |
| Hinder foamer filling device |
2022-9-08 |
2022-12-02 |
2022-12-02 |
| Portable safety rope anti-falling device |
2022-9-08 |
2023-1-20 |
2023-1-20 |
| Quantitative scale hopper connecting device |
2022-9-08 |
2022-11-25 |
2022-11-25 |
| Natural gas purification device active carbon replacing device |
2022-9-08 |
2023-1-20 |
2023-1-20 |
| Liquid sulfur loading loss waste gas collecting device |
2022-9-08 |
2022-12-02 |
2022-12-02 |
| Tower top return system of natural gas purification device desulfurization … |
2022-9-08 |
2022-12-06 |
2022-12-06 |
| Air cooling tube bank seal gasket and seal assembly thereof |
2022-9-08 |
2022-12-02 |
2022-12-02 |
| Combustor system |
2022-9-08 |
2022-11-25 |
2022-11-25 |
| Sleeve type valve core throttle valve |
2022-9-01 |
2023-3-03 |
2023-3-03 |
| Separator level gauge belt cleaning device |
2022-9-01 |
2023-1-20 |
2023-1-20 |
| Long distance pipeline high consequence district audible and visual alarm … |
2022-8-17 |
2022-11-18 |
|
| Well drilling machine with shock-absorbing function |
2022-8-05 |
2022-11-25 |
2022-11-25 |
| Constant temperature detection device for continuously measuring shear stress |
2022-8-05 |
2022-12-06 |
2022-12-06 |
| A righting device for well drilling speed-raising equipment |
2022-8-05 |
2022-11-25 |
2022-11-25 |
| Liquid level meter device of water jacket furnace |
2022-8-03 |
2022-11-15 |
2022-11-15 |
| Adjustable throttle valve |
2022-8-03 |
2023-1-20 |
2023-1-20 |
| Grease injection valve |
2022-8-03 |
2023-1-20 |
2023-1-20 |
| Liquid foam discharging, filling and connecting device |
2022-8-03 |
2022-11-15 |
2022-11-15 |
| Fixed choke valve end cap steel ring dismounting device |
2022-8-03 |
2022-11-15 |
2022-11-15 |
| Gas well open flow pond |
2022-7-28 |
2022-11-08 |
2022-11-08 |
| Prefabricated cabin case of supporting of compressor electric power becomes |
2022-7-26 |
2022-11-22 |
2022-11-22 |
| Hand wheel anti-theft device |
2022-7-14 |
2022-11-15 |
2022-11-15 |
| Earthquake observation system design method based on energy loss minimization … |
2022-7-14 |
2022-10-18 |
|
| Excitation well flushing barrier |
2022-7-09 |
2022-12-13 |
2022-12-13 |
| Portable ice blockage prevention and control belt |
2022-7-06 |
2022-11-15 |
2022-11-15 |
| A base mound device for drilling blowout and oil gas test |
2022-7-06 |
2022-12-16 |
2022-12-16 |
| Improved sealing cover of clamp gate valve |
2022-7-06 |
2022-11-15 |
2022-11-15 |
| Magnetic turning plate liquid level meter cleaning device and magnetic turning … |
2022-6-30 |
2022-11-15 |
2022-11-15 |
| Be used for valve hand wheel to rotate appurtenance |
2022-6-30 |
2022-10-04 |
2022-10-04 |
| Water-containing detection drainage system of air compressor for breathing |
2022-6-30 |
2022-10-14 |
2022-10-14 |
| Ignition device for emptying torch and emptying torch |
2022-6-30 |
2022-11-15 |
2022-11-15 |
| Combustion furnace flow guide device and combustion furnace thereof |
2022-6-30 |
2023-1-20 |
2023-1-20 |
| Oil seal clamp spring bushing for pump |
2022-6-30 |
2022-11-15 |
2022-11-15 |
| Resistance probe cable protection device |
2022-6-30 |
2022-10-21 |
2022-10-21 |
| Portable watering pot |
2022-6-30 |
2022-10-14 |
2022-10-14 |
| Complex phase acid deep acid fracturing method for deep ultra-deep high- … |
2022-6-30 |
2022-11-04 |
|
| Stepless valve switching tool |
2022-6-30 |
2022-11-15 |
2022-11-15 |
| Float cleaning tool of magnetic turning plate liquid level meter |
2022-6-29 |
2022-10-28 |
2022-10-28 |
| Natural gas dewaxing and dewatering device |
2022-6-29 |
2022-9-20 |
2022-9-20 |
| Acid gas neutralization bubble-blocking device |
2022-6-29 |
2022-11-15 |
2022-11-15 |
| Convenient type valve grease injection device |
2022-6-29 |
2022-10-28 |
2022-10-28 |
| A currying device for valve notes fat rifle |
2022-6-29 |
2022-9-27 |
2022-9-27 |
| Explosion-proof control box capable of reducing temperature |
2022-6-29 |
2022-11-15 |
2022-11-15 |
| 8-shaped blind plate protective sleeve |
2022-6-29 |
2022-10-04 |
2022-10-04 |
| Valve switch indicating device |
2022-6-29 |
2022-12-20 |
2022-12-20 |
| Bayonet fixed valve indicating device |
2022-6-29 |
2022-10-28 |
2022-10-28 |
| A distribution device and sulphur thick liquid filtration system for sulphur … |
2022-6-29 |
2022-10-28 |
2022-10-28 |
| Foam-discharging gas production effect analysis simulation experiment device |
2022-6-29 |
2022-9-27 |
2022-9-27 |
| Natural gas purification device |
2022-6-24 |
2022-10-18 |
2022-10-18 |
| Circulating water field emergency device and water circulating system thereof |
2022-6-24 |
2022-11-08 |
2022-11-08 |
| Valve seal ring and valve thereof |
2022-6-24 |
2022-11-15 |
2022-11-15 |
| Integrated device for waste gas neutralization treatment |
2022-6-24 |
2023-1-20 |
2023-1-20 |
| Clean passivating device for sulfur recovery section after feed gas stops … |
2022-6-24 |
2022-10-28 |
2022-10-28 |
| Processing apparatus of sulphur waste gas of liquid sulphur loading junction |
2022-6-24 |
2022-11-29 |
2022-11-29 |
| Combustion furnace lining structure and combustion furnace thereof |
2022-6-24 |
2022-11-15 |
2022-11-15 |
| Gas field water scheduling and fracturing fluid scheduling optimization method … |
2022-6-23 |
2022-10-25 |
|
| Gas well production sample collection device |
2022-6-23 |
2022-11-22 |
2022-11-22 |
| Corner formula butter filling instrument |
2022-6-23 |
2023-3-03 |
2023-3-03 |
| Choke valve glib subassembly |
2022-6-23 |
2022-11-04 |
2022-11-04 |
| Collecting device is assisted in pipeline clearance |
2022-6-23 |
2022-11-08 |
2022-11-08 |
| Metering device is transported to gas field water |
2022-6-23 |
2022-10-28 |
2022-10-28 |
| Gas well effusion diagnosis method based on neural network |
2022-6-23 |
2022-10-14 |
|
| Filter element replacing device of desander |
2022-6-23 |
2023-1-20 |
2023-1-20 |
| Chamfer angle compensation device for plunger throwing |
2022-6-23 |
2022-11-08 |
2022-11-08 |
| Natural gas defoaming device and natural gas pipeline system thereof |
2022-6-23 |
2022-11-15 |
2022-11-15 |
| Shale gas lift technology supercharging system |
2022-6-23 |
2022-11-15 |
2022-11-15 |
| Radial expansion type pressure test blanking plug and wellhead pressure test … |
2022-6-22 |
2022-12-06 |
2022-12-06 |
| Filling device for oil and gas well |
2022-6-22 |
2022-9-27 |
2022-9-27 |
| Underground filling device |
2022-6-22 |
2022-12-06 |
2022-12-06 |
| Underground protection device of camera |
2022-6-22 |
2022-12-06 |
2022-12-06 |
| Camera device for underground imaging |
2022-6-22 |
2022-11-08 |
2022-11-08 |
| Temporary well plugging tubular column |
2022-6-22 |
2022-12-06 |
2022-12-06 |
| Underground atomization drainage tool |
2022-6-22 |
2022-12-06 |
2022-12-06 |
| Plunger device for water drainage and gas production |
2022-6-22 |
2022-12-06 |
2022-12-06 |