RU2016141401A - Компоненты насоса для нефтегазовой скважины и способ покрытия таких компонентов - Google Patents
Компоненты насоса для нефтегазовой скважины и способ покрытия таких компонентов Download PDFInfo
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- RU2016141401A RU2016141401A RU2016141401A RU2016141401A RU2016141401A RU 2016141401 A RU2016141401 A RU 2016141401A RU 2016141401 A RU2016141401 A RU 2016141401A RU 2016141401 A RU2016141401 A RU 2016141401A RU 2016141401 A RU2016141401 A RU 2016141401A
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- Prior art keywords
- coating
- component
- oil
- gas well
- metal matrix
- Prior art date
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- 239000011248 coating agent Substances 0.000 title claims 15
- 238000000576 coating method Methods 0.000 title claims 15
- 238000000034 method Methods 0.000 title claims 11
- 239000002245 particle Substances 0.000 claims 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 12
- 229910003460 diamond Inorganic materials 0.000 claims 7
- 239000010432 diamond Substances 0.000 claims 7
- 239000011159 matrix material Substances 0.000 claims 7
- 239000002184 metal Substances 0.000 claims 7
- 229910052751 metal Inorganic materials 0.000 claims 7
- 229910052759 nickel Inorganic materials 0.000 claims 6
- 239000007787 solid Substances 0.000 claims 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 4
- 239000011247 coating layer Substances 0.000 claims 4
- 239000012530 fluid Substances 0.000 claims 4
- 229910052698 phosphorus Inorganic materials 0.000 claims 4
- 239000011574 phosphorus Substances 0.000 claims 4
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000005234 chemical deposition Methods 0.000 claims 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims 1
- 229910052796 boron Inorganic materials 0.000 claims 1
- 238000000151 deposition Methods 0.000 claims 1
- 230000008021 deposition Effects 0.000 claims 1
- 229910010272 inorganic material Inorganic materials 0.000 claims 1
- 239000011147 inorganic material Substances 0.000 claims 1
- 150000002500 ions Chemical class 0.000 claims 1
- 239000013049 sediment Substances 0.000 claims 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/54—Compositions for in situ inhibition of corrosion in boreholes or wells
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2294—Rotors specially for centrifugal pumps with special measures for protection, e.g. against abrasion
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1633—Process of electroless plating
- C23C18/1646—Characteristics of the product obtained
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1633—Process of electroless plating
- C23C18/1655—Process features
- C23C18/1662—Use of incorporated material in the solution or dispersion, e.g. particles, whiskers, wires
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1633—Process of electroless plating
- C23C18/1689—After-treatment
- C23C18/1692—Heat-treatment
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/02—Equipment or details not covered by groups E21B15/00 - E21B40/00 in situ inhibition of corrosion in boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/128—Adaptation of pump systems with down-hole electric drives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/10—Units comprising pumps and their driving means the pump being electrically driven for submerged use adapted for use in mining bore holes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
- F04D29/448—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps bladed diffusers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/02—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/06—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps having motor-pump units situated at great depth
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/50—Intrinsic material properties or characteristics
- F05D2300/506—Hardness
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Geology (AREA)
- General Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Dispersion Chemistry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Claims (25)
1. Компонент центробежного насоса для нефтегазовой скважины, содержащий основу, имеющую внешнюю поверхность, предназначенную для контакта с текучей средой нефтегазовой скважины, и покрытие, сформированное по меньшей мере на части указанной внешней поверхности и включающее комбинацию твердых частиц и металлической матрицы.
2. Компонент по п. 1, в котором указанные твердые частицы содержат алмазные частицы, а указанная металлическая матрица содержит никель и фосфор.
3. Компонент по п. 2, в котором указанные алмазные частицы имеют диаметр в диапазоне от приблизительно 0,5 мкм до приблизительно 4 мкм.
4. Компонент по п. 2, в котором концентрация алмазных частиц в покрытии находится в диапазоне от приблизительно 25 процентов по объему до приблизительно 50 процентов по объему.
5. Компонент по п. 2, в котором концентрация фосфора в указанном покрытии находится в диапазоне от приблизительно 6 процентов по объему до приблизительно 12 процентов по объему.
6. Компонент по п. 1, в котором металлическая матрица содержит никель и бор.
7. Компонент по п. 1, в котором толщина указанного покрытия находится в диапазоне от приблизительно 10 мкм до приблизительно 152 мкм.
8. Компонент по п. 1, в котором указанное покрытие сформировано с помощью процесса химического осаждения никеля.
9. Компонент по п. 8, в котором указанное покрытие подвергнуто тепловой обработке после нанесения.
10. Центробежный насос для нефтегазовой скважины, содержащий:
по меньшей мере один диффузор, имеющий внешнюю поверхность, предназначенную для контакта с текучей средой нефтегазовой скважины,
по меньшей мере одно рабочее колесо, имеющее внешнюю поверхность, предназначенную для контакта с текучей средой нефтегазовой скважины, и
покрытие, сформированное по меньшей мере на части внешней поверхности диффузора, или внешней поверхности рабочего колеса, или обеих этих поверхностей, и включающее комбинацию твердых частиц и металлической матрицы.
11. Насос по п. 10, в котором твердые частицы содержат алмазные частицы, а металлическая матрица содержит никель и фосфор.
12. Насос по п. 10, в котором внешняя поверхность рабочего колеса содержит вал рабочего колеса, а внешняя поверхность диффузора содержит внутреннюю радиальную часть диффузора.
13. Способ уменьшения износа компонента центробежного насоса нефтегазовой скважины, содержащий:
обеспечение наличия компонента, имеющего внешнюю поверхность, причем компонент выполнен так, что при работе внешняя поверхность контактирует с текучей средой нефтегазовой скважины, и
формирование на указанной внешней поверхности по меньшей мере одного слоя покрытия, включающего комбинацию твердых частиц и металлической матрицы.
14. Способ по п. 13, в котором твердые частицы включают алмазные частицы, а металлическая матрица включает никель и фосфор.
15. Способ по п. 14, в котором формирование покрытия включает алмазные частицы, имеющие диаметр в диапазоне от приблизительно 0,5 мкм до приблизительно 4 мкм.
16. Способ по п. 14, в котором концентрация алмазных частиц в покрытии находится в диапазоне от приблизительно 25 процентов по объему до приблизительно 50 процентов по объему.
17. Способ по п. 13, в котором при формировании по меньшей мере одного слоя покрытия на внешней поверхности формируют покрытие, толщина которого находится в диапазоне от приблизительно 10 мкм до приблизительно 152 мкм, так что покрытие обеспечивает сопротивление отложению осадков путем уменьшения притяжения ионов текучей среды нефтегазовой скважины к внешней поверхности и адгезии неорганического материала на внешней поверхности.
18. Способ по п. 13, в котором при формировании по меньшей мере одного слоя покрытия на внешней поверхности формируют покрытие с помощью процесса химического осаждения никеля.
19. Способ по п. 13, в котором термически обрабатывают покрытие после его нанесения.
20. Способ по п. 13, в котором при формировании по меньшей мере одного слоя покрытия на внешней поверхности формируют покрытие на диффузоре, или на рабочем колесе, или на них обоих.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562248720P | 2015-10-30 | 2015-10-30 | |
| US62/248720 | 2015-10-30 | ||
| US15/070538 | 2016-03-15 | ||
| US15/070,538 US11346359B2 (en) | 2015-10-30 | 2016-03-15 | Oil and gas well pump components and method of coating such components |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| RU2016141401A true RU2016141401A (ru) | 2018-04-23 |
| RU2016141401A3 RU2016141401A3 (ru) | 2020-02-12 |
| RU2738696C2 RU2738696C2 (ru) | 2020-12-15 |
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ID=58637348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2016141401A RU2738696C2 (ru) | 2015-10-30 | 2016-10-21 | Компоненты насоса для нефтегазовой скважины и способ покрытия таких компонентов |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US11346359B2 (ru) |
| CA (1) | CA2945874A1 (ru) |
| RU (1) | RU2738696C2 (ru) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3904695A1 (en) * | 2020-04-28 | 2021-11-03 | Xylem Europe GmbH | Bowl pump and vertical bowl pump arrangement |
| CN112324396A (zh) * | 2020-12-21 | 2021-02-05 | 杨飞 | 潜油电泵防垢缓蚀装置 |
| WO2023212024A1 (en) * | 2022-04-28 | 2023-11-02 | Schlumberger Technology Corporation | Submersible pump with stage erosion control |
| CN117536888A (zh) * | 2023-10-21 | 2024-02-09 | 天津市百成油田采油设备制造有限公司 | 一种潜油电泵机组用防垢装置 |
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| BR0017389B1 (pt) * | 2000-12-21 | 2011-11-29 | banho de revestimento, revestimento de liga nìquel/boro, bem como processo para produção do mesmo. | |
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| US20110162751A1 (en) * | 2009-12-23 | 2011-07-07 | Exxonmobil Research And Engineering Company | Protective Coatings for Petrochemical and Chemical Industry Equipment and Devices |
| EP2539622B1 (en) | 2010-02-22 | 2019-04-03 | Exxonmobil Upstream Research Company | Coated sleeved oil and gas well production devices |
| US8409695B2 (en) | 2010-05-28 | 2013-04-02 | Kennametal Inc. | Multilayer nitride hard coatings |
| CN103958738B (zh) | 2011-09-30 | 2017-09-01 | 欧瑞康表面解决方案股份公司，普费菲孔 | 用于在加工操作中增强耐磨性的适应形态的铝钛氮化物涂层和其方法 |
| AU2012318690A1 (en) | 2011-10-03 | 2014-05-22 | Exxonmobil Research And Engineering Company | Methods for coating tubular devices used in oil and gas drilling, completions and production operations |
| CA2794722A1 (en) | 2011-11-02 | 2013-05-02 | Robert Jones | Amorphous nickel phosphorous alloys for oil and gas |
| US20140173995A1 (en) | 2012-12-21 | 2014-06-26 | Exxonmobil Research And Engineering Company | Methods of making a drilling tool with low friction coatings to reduce balling and friction |
| US20150125279A1 (en) | 2013-11-04 | 2015-05-07 | General Electric Company | Submersible pump component and method of coating thereof |
| RU2580611C2 (ru) * | 2014-06-19 | 2016-04-10 | Александр Николаевич Михайлов | Погружной многоступенчатый центробежный насос и способ изготовления рабочего колеса и направляющего аппарата ступени насоса |
-
2016
- 2016-03-15 US US15/070,538 patent/US11346359B2/en active Active
- 2016-10-20 CA CA2945874A patent/CA2945874A1/en active Pending
- 2016-10-21 RU RU2016141401A patent/RU2738696C2/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| RU2738696C2 (ru) | 2020-12-15 |
| CA2945874A1 (en) | 2017-04-30 |
| US11346359B2 (en) | 2022-05-31 |
| RU2016141401A3 (ru) | 2020-02-12 |
| US20170122333A1 (en) | 2017-05-04 |
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