CN216429570U - 一种抽油机井口降压装置 - Google Patents
一种抽油机井口降压装置 Download PDFInfo
- Publication number
- CN216429570U CN216429570U CN202122671108.1U CN202122671108U CN216429570U CN 216429570 U CN216429570 U CN 216429570U CN 202122671108 U CN202122671108 U CN 202122671108U CN 216429570 U CN216429570 U CN 216429570U
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- Prior art keywords
- assembly
- pumping unit
- pressure reducing
- liquid
- plunger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005086 pumping Methods 0.000 title claims abstract description 63
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 241001023788 Cyttus traversi Species 0.000 claims abstract description 13
- 239000003129 oil well Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 37
- 230000009467 reduction Effects 0.000 claims description 7
- 239000000725 suspension Substances 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 12
- 239000012530 fluid Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Reciprocating Pumps (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122671108.1U CN216429570U (zh) | 2021-11-03 | 2021-11-03 | 一种抽油机井口降压装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122671108.1U CN216429570U (zh) | 2021-11-03 | 2021-11-03 | 一种抽油机井口降压装置 |
Publications (1)
Publication Number | Publication Date |
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CN216429570U true CN216429570U (zh) | 2022-05-03 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202122671108.1U Active CN216429570U (zh) | 2021-11-03 | 2021-11-03 | 一种抽油机井口降压装置 |
Country Status (1)
Country | Link |
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CN (1) | CN216429570U (zh) |
-
2021
- 2021-11-03 CN CN202122671108.1U patent/CN216429570U/zh active Active
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A pressure reducing device for pumping unit wellhead Effective date of registration: 20220617 Granted publication date: 20220503 Pledgee: Weifang Jinma road sub branch of Bank of Weifang Co.,Ltd. Pledgor: WEIFANG SHENGLI PETROLEUM MACHINERY Co.,Ltd. Registration number: Y2022980008148 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230524 Granted publication date: 20220503 Pledgee: Weifang Jinma road sub branch of Bank of Weifang Co.,Ltd. Pledgor: WEIFANG SHENGLI PETROLEUM MACHINERY Co.,Ltd. Registration number: Y2022980008148 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A depressurization device for the wellhead of a pumping unit Effective date of registration: 20230525 Granted publication date: 20220503 Pledgee: Weifang Jinma road sub branch of Bank of Weifang Co.,Ltd. Pledgor: WEIFANG SHENGLI PETROLEUM MACHINERY Co.,Ltd. Registration number: Y2023980041809 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220503 Pledgee: Weifang Jinma road sub branch of Bank of Weifang Co.,Ltd. Pledgor: WEIFANG SHENGLI PETROLEUM MACHINERY Co.,Ltd. Registration number: Y2023980041809 |