CN113482593A - Accurate metering device for oil field well head liquid production amount and oil production amount - Google Patents
Accurate metering device for oil field well head liquid production amount and oil production amount Download PDFInfo
- Publication number
- CN113482593A CN113482593A CN202110760267.0A CN202110760267A CN113482593A CN 113482593 A CN113482593 A CN 113482593A CN 202110760267 A CN202110760267 A CN 202110760267A CN 113482593 A CN113482593 A CN 113482593A
- Authority
- CN
- China
- Prior art keywords
- oil
- metering tank
- pump
- metering
- pipe
- 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.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Abstract
The invention discloses an accurate metering device for oil field well head liquid production and oil production, which comprises an arc-box-shaped metering tank, a supporting mechanism for supporting the metering tank, a driving mechanism for driving the metering tank to rotate and an oil-water pumping mechanism, wherein the lower end of the metering tank is communicated with a discharging pipe, and an image collecting and processing mechanism is arranged above the metering tank. According to the invention, through the mutual matching of the metering tank, the driving mechanism and the oil-water pumping mechanism, oil and water are divided by the metering tank in a rotating environment, and after the oil and water reach respective volumes after treatment, the oil and water are respectively pumped out for subsequent treatment, so that the equipment cost is saved, and the treatment efficiency is improved.
Description
Technical Field
The invention relates to the technical field of oil field wellhead yield measurement, in particular to an accurate measuring device for oil field wellhead liquid yield and oil yield.
Background
The liquid yield of the oil well refers to the sum of oil yield and water yield, and the water content and the oil content of the liquid yield can be obtained through the oil yield. In oil production, the periodic understanding of the liquid and oil production of an oil well is convenient for dynamic analysis of production, so as to control and coordinate the production process and adjust various development indexes. Therefore, the measurement of the liquid production and the oil production is of great significance for oil well exploitation.
The current measuring methods include artificial glass tube measurement, oil well measuring truck, tipping bucket measuring device, oil well three-phase measuring device, water content analysis method, etc. The methods have advantages and disadvantages, and have the common disadvantage that the subsequent treatment cannot be facilitated after the liquid production amount and the oil production amount are measured.
Therefore, the accurate metering device for the liquid production and oil production at the wellhead of the oil field is provided to solve the problems.
Disclosure of Invention
The invention aims to provide the accurate metering device which is applied to the oil field well head and can facilitate subsequent treatment after the liquid production amount and the industrial amount are metered.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an accurate metering device of liquid measure and oil production volume is produced to oil field well head, is including being the boxlike metering tank of arc, being used for supporting the supporting mechanism of metering tank, being used for driving metering tank pivoted actuating mechanism and pump profit mechanism, the lower extreme intercommunication of metering tank has the blowing pipe, the top in metering tank is equipped with image collection processing mechanism.
Preferably, the supporting mechanism includes at least three supporting legs fixedly mounted on the lower end face of the metering tank, universal wheels are mounted at the lower ends of the supporting legs, the supporting mechanism further includes a circular flat plate and a fixing column coaxially fixed on the upper end of the flat plate, the universal wheels are in rolling connection with the flat plate, a first mounting block is fixedly connected to the outer wall of the metering tank, a first roller is mounted at one end, away from the metering tank, of the first mounting block, a first rolling tank in rolling connection with the first roller is formed in the outer surface of the fixing column, a connecting rod is fixedly connected to the upper end of the metering tank, a second mounting block is fixedly connected to one end, away from the metering tank, of the connecting rod, a second roller is mounted at one side, close to the fixing column, of the second mounting block, and a second rolling tank in rolling connection with the second roller is formed in the outer surface of the fixing column.
Preferably, the driving mechanism comprises a crank fixedly connected to the outside of the metering tank, a mounting opening is formed in the fixing column, and a first motor for driving the crank is fixedly mounted on the inner bottom wall of the mounting opening.
Preferably, the oil-water pumping mechanism comprises a rotating column arranged above the metering tank, a fixing ring is fixedly sleeved on the rotating column, a first support plate is sleeved outside the fixing ring and is rotatably connected with the fixing ring, a first gear is coaxially and fixedly sleeved on the fixing ring, a second gear is meshed with the upper end of the first gear, and a second motor for driving the second gear is fixedly embedded in the first support plate; two coiling grooves are annularly formed in the outer surface of the rotating column, flow grooves are symmetrically formed in two ends of the rotating column, the flow grooves are respectively communicated with a water outlet pipe and an oil outlet pipe, a second supporting plate which is connected with the water outlet pipe and the oil outlet pipe in a rotating mode is fixedly connected to the outer wall of the metering groove, a pump water pipe and a pump oil pipe are respectively arranged in the coiling grooves in a winding mode, the pump water pipe and the pump oil pipe are respectively communicated with the two flow grooves, and a water pump and an oil pump are respectively connected to the lower ends of the pump water pipe and the pump oil pipe.
Preferably, the oil pump is close to the fixed column setting, the fixed column setting is kept away from to the water pump, the inner wall in metering tank is fixed with two limiting plates, and two limiting plates overlap respectively and establish outside pump water pipe and the pump oil pipe.
Preferably, the first motor adopts a VM7-M13G-1R520-A3 type servo motor.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the mutual matching of the metering tank, the driving mechanism and the oil-water pumping mechanism, oil and water are divided by the metering tank in a rotating environment, and after the oil and water reach respective volumes after treatment, the oil and water are respectively pumped out for subsequent treatment, so that the equipment cost is saved, and the treatment efficiency is improved.
Drawings
FIG. 1 is a structural sectional view of the front side of an accurate metering device for oil field wellhead liquid and oil production;
FIG. 2 is a partially enlarged schematic view of FIG. 1;
fig. 3 is a structural sectional view of a rotating column of the precise metering device for the liquid and oil production of the oil field wellhead.
In the figure: the device comprises a metering groove 1, a middle rotating ring 2, a supporting leg 3, a fixing column 4, a second roller 5, a first motor 6, a crank 7, a discharging pipe 8, a universal wheel 9, a limiting plate 10, a first mounting block 11, a first roller 12, a connecting rod 13, a first supporting plate 14, a fixing ring 15, a rotating column 16, a first gear 17, a second gear 18, a second motor 19, a flow groove 20, a water outlet pipe 21, an oil outlet pipe 22, a water pump pipe 23, a oil pump pipe 24, a water pump 25, an oil pump 26, a second supporting plate 27, a winding groove 28 and a second mounting block 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, an accurate metering device for oil field wellhead liquid production and oil production comprises a metering tank 1 in the shape of an arc box, a supporting mechanism for supporting the metering tank 1, a driving mechanism for driving the metering tank 1 to rotate, and an oil pumping and water pumping mechanism, wherein the lower end of the metering tank 1 is communicated with a discharging pipe 8, an image collecting and processing mechanism is arranged above the metering tank 1, and the image collecting and processing mechanism comprises a camera, an image uploading module and an image processing module, which are in the prior art and are not described.
The basic principle of the invention is as follows: conveying oil well production liquid into a metering tank 1, under the common knowledge that the specific gravity of water is greater than that of oil, utilizing the difference of centrifugal force generated by the oil and the water in the metering tank 1 in the circumferential rotation process to enable the oil and the water to form a boundary, and under the premise that the inner diameter and the outer diameter of the metering tank 1 are known, obtaining the diameter of the circle of the boundary formed by the oil and the water through an image collecting and processing mechanism, so as to obtain the respective quantities of the oil and the water through the processing of a controller; repeating the above process for several times to obtain the liquid production amount and oil production amount of a single oil well.
Specifically, actuating mechanism includes crank 7 of fixed connection outside metering tank 1, seted up the installing port in the fixed column 4, the interior diapire fixed mounting of installing port has the first motor 6 that is used for driving crank 7, the output shaft of first motor 6 and fixed column 4 coaxial line set up, first motor 6 drives metering tank 1 circular rotation through crank 7, first motor 6 adopts VM7-M13G-1R520-A3 model servo motor, the rotational speed of first motor 6 can be adjusted according to actual need.
In the invention, the controller controls the rotating speed of the first motor 6, the first motor 6 transmits torque to the measuring tank 1 through the crank 7, and the measuring tank 1 rotates around the output shaft fixing column 4 of the first motor 6.
Specifically, supporting mechanism includes that fixed mounting has three supporting leg 3 at least at metering tank 1's lower terminal surface and quantity, universal wheel 9 is installed to each supporting leg 3's lower extreme, supporting mechanism still includes the circular shape flat board and the fixed column 4 of coaxial fixation in dull and stereotyped upper end, universal wheel 9 and dull and stereotyped roll connection, the first installation piece 11 of the outer wall fixedly connected with of metering tank 1, first gyro wheel 12 is installed to the one end that first installation piece 11 kept away from metering tank 1, the first slot rolling with first gyro wheel 12 roll connection is seted up to fixed column 4's surface, metering tank 1's upper end fixedly connected with connecting rod 13, metering tank 1's one end fixedly connected with second installation piece 29 is kept away from to connecting rod 13, second gyro wheel 5 is installed to one side that second installation piece 29 is close to fixed column 4, the second slot rolling with second gyro wheel 5 roll connection is seted up to fixed column 4's surface.
In the invention, in the process that the measuring tank 1 rotates circumferentially by taking the fixed column 4 as a center, the measuring tank 1 synchronously drives the supporting legs 3 to rotate, the universal wheel 9 is in contact with a flat plate, the measuring tank 1 is supported in the vertical direction, in addition, the first mounting block 11 and the second mounting block 29 also rotate circumferentially by taking the fixed column 4 as a center, and the first roller 12 and the second roller 5 roll in the first rolling groove and the second rolling groove respectively to support the side surface of the measuring tank 1.
The oil-water pumping mechanism comprises a rotating column 16 arranged above a metering tank 1, a fixing ring 15 is fixedly sleeved on the rotating column 16, a first supporting plate 14 is sleeved outside the fixing ring 15 and is connected with the fixing ring in a rotating mode, a first gear 17 is coaxially and fixedly sleeved on the fixing ring 15, a second gear 18 is meshed at the upper end of the first gear 17, and a second motor 19 used for driving the second gear 18 is fixedly embedded in the first supporting plate 14.
Two winding grooves 28 are annularly formed in the outer surface of the rotating column 16, flow grooves 20 are symmetrically formed in two ends of the rotating column 16, the two flow grooves 20 are respectively communicated with a water outlet pipe 21 and an oil outlet pipe 22, a second supporting plate 27 which is rotationally connected with the water outlet pipe 21 and the oil outlet pipe 22 is fixedly connected to the outer wall of the metering groove 1, a water pumping pipe 23 and an oil pumping pipe 24 are respectively wound in the two winding grooves 28, the water pumping pipe 23 and the oil pumping pipe 24 are respectively communicated with the two flow grooves 20, a water pump 25 and an oil pump 26 are respectively connected to the lower ends of the water pumping pipe 23 and the oil pumping pipe 24, a second motor 19 transmits torque to the metering groove 1 through a second gear 18 and a first gear 17 which are meshed with each other, the water outlet pipe 21, the flow grooves 20, the water pumping pipe 23 and the water pump 25 are correspondingly used, and the oil outlet pipe 22, the flow grooves 20, the oil pumping pipe 24 and the oil pump 26 are correspondingly used.
In the present invention, the water pump 25 and the oil pump 26 falling to the bottom of the measuring tank 1 are respectively pumped into the flow tank 20 by the water pump pipe 23 and the oil pump pipe 24, and are respectively conveyed to other processing equipment by the flow tank 20 through the water outlet pipe 21 and the oil outlet pipe 22 for subsequent processing, and the second motor 19 is reversely rotated before the next oil-water separation, and in the same way, the water pump 25 and the oil pump 26 are driven to be lifted above the measuring tank 1.
It should be noted that the outlet pipe 21 and the oil outlet pipe 22 both have a certain length and are bent downward, the bent outlet pipe 21 is far away from the fixing column 4, the bent oil outlet pipe 22 is close to the fixing column 4, and water and oil flowing out through the outlet pipe 21 and the oil outlet pipe 22 respectively flow into different grooves in the rotating process.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides an accurate metering device of oil field well head liquid production volume and oil production volume which characterized in that: the device comprises an arc-box-shaped metering tank (1), a supporting mechanism for supporting the metering tank (1), a driving mechanism for driving the metering tank (1) to rotate and an oil-water pumping mechanism, wherein the lower end of the metering tank (1) is communicated with a discharging pipe (8), an image collecting and processing mechanism is arranged above the metering tank (1), the supporting mechanism comprises at least three supporting legs (3) which are fixedly arranged on the lower end face of the metering tank (1) in quantity, universal wheels (9) are arranged at the lower ends of the supporting legs (3), the supporting mechanism further comprises a circular flat plate and a fixing column (4) coaxially fixed at the upper end of the flat plate, the universal wheels (9) are in rolling connection with the flat plate, a first mounting block (11) is fixedly connected to the outer wall of the metering tank (1), and a first idler wheel (12) is arranged at one end, far away from the metering tank (1), of the first mounting block (11), the outer surface of the fixed column (4) is provided with a first rolling groove in rolling connection with the first roller (12), the upper end of the metering groove (1) is fixedly connected with a connecting rod (13), one end of the connecting rod (13) far away from the metering groove (1) is fixedly connected with a second mounting block (29), one side, close to the fixed column (4), of the second mounting block (29) is provided with a second roller (5), and the outer surface of the fixed column (4) is provided with a second rolling groove in rolling connection with the second roller (5).
2. The accurate metering device of oil field well head liquid production volume and oil production volume of claim 1 characterized in that: the driving mechanism comprises a crank (7) fixedly connected to the outside of the metering tank (1), a mounting opening is formed in the fixing column (4), and a first motor (6) used for driving the crank (7) is fixedly mounted on the inner bottom wall of the mounting opening.
3. The accurate metering device of oil field well head liquid production volume and oil production volume of claim 1 characterized in that: the oil and water pumping mechanism comprises a rotating column (16) arranged above the metering tank (1), a fixing ring (15) is fixedly sleeved on the rotating column (16), a first supporting plate (14) is sleeved outside the fixing ring (15) and is rotationally connected with the fixing ring, a first gear (17) is coaxially and fixedly sleeved on the fixing ring (15), a second gear (18) is meshed at the upper end of the first gear (17), and a second motor (19) for driving the second gear (18) is fixedly embedded in the first supporting plate (14);
rotate the surface annular of post (16) and seted up two coiling groove (28), the both ends symmetry of rotating post (16) has seted up flowing groove (20), two flowing groove (20) communicate respectively and have outlet pipe (21) and go out oil pipe (22), the outer wall fixedly connected with of metering tank (1) rotates second backup pad (27) of being connected with outlet pipe (21), play oil pipe (22), two around being equipped with pump water pipe (23) and pump oil pipe (24) in coiling groove (28) respectively, pump water pipe (23) and pump oil pipe (24) communicate with two flowing groove (20) respectively, the lower extreme of pump water pipe (23) and pump oil pipe (24) is connected with water pump (25) and oil pump (26) respectively.
4. The accurate metering device of oil field well head liquid production volume and oil production volume of claim 3 characterized in that: oil pump (26) are close to fixed column (4) and set up, fixed column (4) setting is kept away from in water pump (25), the inner wall of metering tank (1) is fixed with two limiting plates (10), and two limiting plates (10) overlap respectively and establish outside pump water pipe (23) and pump oil pipe (24).
5. The accurate metering device of oil field well head liquid production volume and oil production volume of claim 2 characterized in that: the first motor (6) adopts a servo motor of VM7-M13G-1R520-A3 model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110760267.0A CN113482593B (en) | 2021-07-06 | 2021-07-06 | Accurate metering device for oil field well head liquid production amount and oil production amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110760267.0A CN113482593B (en) | 2021-07-06 | 2021-07-06 | Accurate metering device for oil field well head liquid production amount and oil production amount |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113482593A true CN113482593A (en) | 2021-10-08 |
| CN113482593B CN113482593B (en) | 2022-12-13 |
Family
ID=77940989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110760267.0A Active CN113482593B (en) | 2021-07-06 | 2021-07-06 | Accurate metering device for oil field well head liquid production amount and oil production amount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113482593B (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5195939A (en) * | 1991-09-09 | 1993-03-23 | Earl Gingras | Three phase centrifugal separator |
| US20030062324A1 (en) * | 2001-08-03 | 2003-04-03 | Steel Tank Institute | Oil - water separator |
| CN1966122A (en) * | 2005-11-18 | 2007-05-23 | 中国科学院力学研究所 | Device for separating incompatible gas-liquid two phase and liquid-liquid two phase |
| CN102489044A (en) * | 2011-12-01 | 2012-06-13 | 北京市红十字血液中心 | System and method for separating component blood based on vision images |
| CN102564520A (en) * | 2011-10-13 | 2012-07-11 | 中国石油天然气股份有限公司 | Automatic oil-water metering device and automatic oil-water metering method |
| CN203203904U (en) * | 2013-04-10 | 2013-09-18 | 太仓金旋实验设备有限公司 | Centrifugal machine for analyzing oil rock sample |
| CN206091975U (en) * | 2016-09-12 | 2017-04-12 | 崔敏 | Oil well oil water metering device |
| CN106869903A (en) * | 2017-02-07 | 2017-06-20 | 陕西航天德林科技集团有限公司 | A kind of metering device |
| CN107774013A (en) * | 2016-08-25 | 2018-03-09 | 台州道致科技有限公司 | A kind of liquid separation method and device of immiscible liquid |
| CN108414279A (en) * | 2018-01-30 | 2018-08-17 | 高亚贵 | A kind of environmental monitoring deep water sampling device |
| CN108506203A (en) * | 2018-03-07 | 2018-09-07 | 朱彩玲 | A kind of agricultural water pumping device for being convenient for reeling water pipe |
| CN108871474A (en) * | 2017-05-11 | 2018-11-23 | 涂勇 | Online micro grease automatic metering system and its metering method |
| CN109444382A (en) * | 2018-10-11 | 2019-03-08 | 江苏华尔威科技集团有限公司 | A kind of crude oil single well metering system with transporting function |
| CN109675346A (en) * | 2018-12-25 | 2019-04-26 | 李华云 | A kind of water-oil separating continues working device |
| CN111042799A (en) * | 2020-01-15 | 2020-04-21 | 西安航空学院 | Experimental oil-water automatic metering device and metering method |
| CN111044328A (en) * | 2019-12-31 | 2020-04-21 | 黄素琴 | Intelligent acquisition device for underground water detection and acquisition method thereof |
| CN210486979U (en) * | 2019-10-22 | 2020-05-08 | 宜宾学院 | Metering device for oil extraction |
| CN111537695A (en) * | 2020-05-07 | 2020-08-14 | 苏州闪掣智能科技有限公司 | Control method for centrifugal analysis of petroleum rock sample |
| CN112717540A (en) * | 2020-12-10 | 2021-04-30 | 芜湖品金电器科技有限公司 | Dirty oil recovery separator for annealing furnace |
-
2021
- 2021-07-06 CN CN202110760267.0A patent/CN113482593B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5195939A (en) * | 1991-09-09 | 1993-03-23 | Earl Gingras | Three phase centrifugal separator |
| US20030062324A1 (en) * | 2001-08-03 | 2003-04-03 | Steel Tank Institute | Oil - water separator |
| CN1966122A (en) * | 2005-11-18 | 2007-05-23 | 中国科学院力学研究所 | Device for separating incompatible gas-liquid two phase and liquid-liquid two phase |
| CN102564520A (en) * | 2011-10-13 | 2012-07-11 | 中国石油天然气股份有限公司 | Automatic oil-water metering device and automatic oil-water metering method |
| CN102489044A (en) * | 2011-12-01 | 2012-06-13 | 北京市红十字血液中心 | System and method for separating component blood based on vision images |
| CN203203904U (en) * | 2013-04-10 | 2013-09-18 | 太仓金旋实验设备有限公司 | Centrifugal machine for analyzing oil rock sample |
| CN107774013A (en) * | 2016-08-25 | 2018-03-09 | 台州道致科技有限公司 | A kind of liquid separation method and device of immiscible liquid |
| CN206091975U (en) * | 2016-09-12 | 2017-04-12 | 崔敏 | Oil well oil water metering device |
| CN106869903A (en) * | 2017-02-07 | 2017-06-20 | 陕西航天德林科技集团有限公司 | A kind of metering device |
| CN108871474A (en) * | 2017-05-11 | 2018-11-23 | 涂勇 | Online micro grease automatic metering system and its metering method |
| CN108414279A (en) * | 2018-01-30 | 2018-08-17 | 高亚贵 | A kind of environmental monitoring deep water sampling device |
| CN108506203A (en) * | 2018-03-07 | 2018-09-07 | 朱彩玲 | A kind of agricultural water pumping device for being convenient for reeling water pipe |
| CN109444382A (en) * | 2018-10-11 | 2019-03-08 | 江苏华尔威科技集团有限公司 | A kind of crude oil single well metering system with transporting function |
| CN109675346A (en) * | 2018-12-25 | 2019-04-26 | 李华云 | A kind of water-oil separating continues working device |
| CN210486979U (en) * | 2019-10-22 | 2020-05-08 | 宜宾学院 | Metering device for oil extraction |
| CN111044328A (en) * | 2019-12-31 | 2020-04-21 | 黄素琴 | Intelligent acquisition device for underground water detection and acquisition method thereof |
| CN111042799A (en) * | 2020-01-15 | 2020-04-21 | 西安航空学院 | Experimental oil-water automatic metering device and metering method |
| CN111537695A (en) * | 2020-05-07 | 2020-08-14 | 苏州闪掣智能科技有限公司 | Control method for centrifugal analysis of petroleum rock sample |
| CN112717540A (en) * | 2020-12-10 | 2021-04-30 | 芜湖品金电器科技有限公司 | Dirty oil recovery separator for annealing furnace |
Non-Patent Citations (4)
| Title |
|---|
| 付先学等: "离心机测控系统中旋转计量柱图像获取方法的研究", 《测控技术》 * |
| 吴应湘等: "油水分离技术", 《力学进展》 * |
| 李明道等: "采油厂中油气及油水分离相关技术研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑》 * |
| 翟晓雨等: "油井集成计量投产装置研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113482593B (en) | 2022-12-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113482593B (en) | Accurate metering device for oil field well head liquid production amount and oil production amount | |
| CN201366019Y (en) | Position changing wheel device for sanitary towel production | |
| CN107956644A (en) | Without the medium-sized off-net wind-driven generator of automatically controlled turbine type | |
| CN218260320U (en) | Mechanical transmission equipment capable of adjusting transmission speed | |
| CN213956205U (en) | Thick detection device of stake hole sediment for building engineering supervision | |
| CN205102832U (en) | Simple and easy levelness measuring apparatu | |
| CN206966261U (en) | A kind of pond body cleaning equipment | |
| CN206772762U (en) | A kind of dope viscosity detection means simple in construction | |
| CN209542599U (en) | A kind of water quality contact detecting apparatus remotely monitored for sewage | |
| CN208672658U (en) | A kind of water conservancy detection water flow speed measuring device | |
| CN207918163U (en) | A kind of steel wire rewinding with online weighing function | |
| CN205391727U (en) | Former moving gear of gravity variation dolly | |
| CN205668825U (en) | rolling metering device for casing | |
| CN207205105U (en) | A kind of electric reinforced bar apparatus for bending | |
| CN220412301U (en) | Detachable unreeling mechanism | |
| CN206593630U (en) | The detection means of steel pipe end surface | |
| CN206678537U (en) | Electric axis driving device | |
| CN1100202A (en) | Method and apparatus for inspection of propeller-type flowmeter | |
| CN207007650U (en) | A kind of safe and reliable dope viscosity detection means | |
| CN220657166U (en) | Filling chemical therapy dispensing device | |
| CN216260422U (en) | Weak gel drilling fluid is thoughtlessly joined in marriage with pumping system in succession with survey function | |
| CN113589717A (en) | Intelligent sensing early warning terminal for pit tunnel operation | |
| CN214773046U (en) | Polycarboxylate high performance water-reducing agent adds weighing device | |
| CN218936040U (en) | Feeding equipment with liquid chlorine metering function for chlorinated paraffin | |
| CN215894580U (en) | Environmental monitoring hydrogeology testing arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20221110 Address after: 473000 No. 156, east section of Gongye Road, Tanghe County, Nanyang City, Henan Province Applicant after: Henan Yasheng Electric Co.,Ltd. Address before: 038100 Yanggao Longquan Industrial Park, Baideng Road, Yanggao County, Datong City, Shanxi Province Applicant before: Wu Liying |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |