CN106364762A - Foldable sand tank for oil/gas well fracturing - Google Patents
Foldable sand tank for oil/gas well fracturing Download PDFInfo
- Publication number
- CN106364762A CN106364762A CN201611028400.9A CN201611028400A CN106364762A CN 106364762 A CN106364762 A CN 106364762A CN 201611028400 A CN201611028400 A CN 201611028400A CN 106364762 A CN106364762 A CN 106364762A
- Authority
- CN
- China
- Prior art keywords
- sand
- silo
- foldable
- well fracturing
- tank
- 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
- 239000004576 sand Substances 0.000 title claims abstract description 73
- 238000003860 storage Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
- B65D11/14—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material of skeleton or apertured construction, e.g. baskets or carriers made up of interconnected spaced bands, rods, or strips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
- B65D11/18—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material collapsible, i.e. with walls hinged together or detachably connected
- B65D11/182—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material collapsible, i.e. with walls hinged together or detachably connected comprising two side walls hinged along the sides of a base panel and to an upper frame and two other side walls being hinged only to the upper frame
- B65D11/1826—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material collapsible, i.e. with walls hinged together or detachably connected comprising two side walls hinged along the sides of a base panel and to an upper frame and two other side walls being hinged only to the upper frame and one or more side walls being foldable along a median line
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
- B65D25/04—Partitions
-
- 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
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Storage Of Harvested Produce (AREA)
Abstract
The invention relates to the technical field of fracturing operation devices for oil-gas field development and discloses a foldable sand tank for oil/gas well fracturing. The foldable sand tank for oil/gas well fracturing comprises a top-layer sand storage tank body, a second-layer sand storage tank body and a sand leaking tank body which are sequentially and detachably connected from top to bottom, and the top-layer sand storage tank body, the second-layer sand storage tank body and the sand leaking tank body are each of a detachable structure. The problem that an existing sand tank is inconvenient to transport is solved. Compared with the prior art, the foldable sand tank for oil/gas well fracturing has the beneficial effects that 1, a tank body structure is detachable and convenient to transport and install, one sand tank can be transported just through two trucks, installation is completed within one day, and the cost of transportation and installation is greatly reduced; 2, the foldable sand tank achieves the dual functions of sand storage and continuous sand supply, and the highest sand discharging speed reaches 8 m<3>/min; and 3, a special sand breaker and a fence are installed on the top of the foldable tank, sand breaking is achieved without manual assistance by people, and the safety risk is greatly reduced.
Description
Technical field
The present invention relates to oil-gas field development fracturing work engineering device technique field, in particular it relates to one kind is applied to Oil/gas Well
The folding silo of pressure break.
Background technology
In oil-gas field development field, for low permeability oil and gas field, pressure is typically passed through in the particularly oil-gas mining in shale gas field
Split transformation means to develop the economical and effective to realize low permeability reservoir.Pressure break utilizes ground high pressure pump group to infusion pressure break in well
Liquid has been suppressed high pressure and has been made reservoir fracture, continues through well infusion fracturing fluid and makes the crack being formed in reservoir continue to extend, with
When the fracturing fluid carrying proppant clamp-oned among the crack of reservoir formation, support formed crack, be that stripping of oil is led for height
The flow channel of stream ability, and then improve oil and gas production.
At present, the silo weight used in pressing crack construction is heavy, bulky, and one silo of transport needs more than ten cards
Car, and the exploitation of oil gas field involves a wide range of knowledge, distance far, and then inevitably increases cost of transportation, fluid reservoir during transport
The phenomenons such as ultra-wide, superelevation, have also had a strong impact on agility and the safety of transport.
The applicant's patent zl201310114816.2 in the past, entitled " detachable automatic sand adding sand tank, combination type
Silo and its implementation ", emphasis describes the automatic sand system of detachable silo and silo by dismountable base, cone
The conception that body tank and sand tank and four parts of broken sand device combine, has no attainable concrete grammar.Traditional silo is two
Individual detached silo stores fracturing sand respectively, and during use, two silos are stood side by side, and single tank body is high, and stability is poor, two tanks
Catch cropping simply overlap.
Content of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of foldable silo of well fracturing, solve existing
There is the problem of silo transport inconvenience.
In order to realize above-mentioned technique effect, the technical solution adopted in the present invention is: the foldable silo of well fracturing,
Including from top to bottom successively the top layer sand tank of detachable connection, two layers of sand tank and leakage silo, and described top layer sand tank,
Two layers of sand tank and leakage silo are Demountable.
It is preferred that, described top layer sand tank is provided with two broken sand devices, periphery is provided with folding top cap guardrail.
It is preferred that, described two layers of sand tank are connected to form up and down by some folding units；Described folding unit bag
Include an I-shaped folded sheet and two in-line side plates, side plate adopts bolt fixation to be connected with I-shaped both sides.
Further, described folded sheet includes the gripper shoe at I-shaped vertical line and is located at I-shaped upper and lower end two
The wing plate of side；Described wing plate is connected with gripper shoe using hinge.
Further, all using square tube frame structure, centre is provided with auxiliary horizontally and vertically for described folded sheet and side plate
Supporting leg, and the diagonal connecting rod connecting.
Further, described folding unit is vertically connected with mode is to be mutually located by inset type framework, and mutual by bolt
Fixing；Described inset type framework is day font, and above and below is provided with groove.
It is preferred that, described leakage silo includes upper frame, two leakage sand devices and underframe；Described upper frame and lower frame
Adopt inset type framework to be connected between frame, and fixed using bolt.
It is preferred that, the lower section positioned at leakage silo is additionally provided with base.
Further, described base is spliced by the jigsaw that some steel plates are made.
Compared to prior art, the invention has the beneficial effects as follows:
1st, achieve tank body agent structure detachable, be readily transported installation, a silo only needs 2 trucies can transport,
Complete in one day to install, greatly save transport installation cost；
2nd, foldable silo realizes storage sand, continuous sand supplying dual-use function, and maximum speed of shaking out reaches 8m3/min；
3rd, fold tank deck and special broken sand device and guardrail are installed, broken sand need not manually be assisted, and substantially reduces security risk；
4th, fold silo tank body and divide two storehouses, store the fracturing sand of two kinds of different sizes respectively；Two storehouses are an entirety,
There is dividing plate centre separately, and good stability saves material.
Brief description
Fig. 1 is the structural side view of the present invention；
Fig. 2 is the folding cellular construction schematic diagram of the present invention；
Fig. 3 is the folding unit folded sheet open mode schematic diagram of the present invention；
Fig. 4 is the folding unit folded sheet folded state schematic diagram of the present invention；
Fig. 5 is the inset type block schematic illustration of the present invention；
Fig. 6 is upper frame and the leakage sand device schematic diagram of the present invention；
Fig. 7 is the underframe schematic diagram of the present invention；
Fig. 8 is the jigsaw schematic diagram of the present invention；
In accompanying drawing, the corresponding component names of labelling are as follows: 100 is top layer sand tank, and 110 is broken sand device, and 120 is collapsible
Roof guardrails；200 is two layers of sand tank, and 210 is folded sheet, and 220 is side plate, and 230 is inset type framework, and 211 is gripper shoe,
212 is wing plate；300 is leakage silo, and 310 is upper frame, and 320 is leakage sand device, and 330 is underframe；400 is base, and 410 is to spell
Plate.
Specific embodiment
With reference to specific embodiment, the present invention is further described in detail, following word be intended to indicate that this
Invention, rather than limit the scope of the invention.
As shown in figure 1, the present invention can be implemented as follows, the foldable silo of well fracturing, it is monolithically fabricated bag
Include 100, two layers of sand tank 200 of the top layer sand tank being sequentially connected from top to bottom and leakage 300 3 layers of primary structure of silo, each layer divides
Detachable and fold, also all detachable between each layer, any connected mode of prior art can be applied.
Specifically, as shown in figure 1, sand device 110 and folding top cap guardrail are provided with brokenly on described top layer sand tank 100
120.Folding top cap guardrail 120 is located at top layer sand tank 100 around, and railing is high 1.2 meters, and using convertible, that is, with top
Layer sand tank 100 adopts gemel connection, uprightly fixes for turning 90 °, is easily installed and dismantles；Railing bottom setting skirting with
The tank face of top layer sand tank 100 is concordant；And it is provided with the position of hanging safety belt.The present invention is preferably two broken sand devices 110, top layer
Sand tank 100 top is correspondingly arranged 2 plus sand mouth and 2 manholes, and described manhole is square opening, enters clearance pot for operator；
It is provided with support and sand flat platform and broken sand device at each plus sand mouth.Tank body is inside and outside to be additionally provided with ladder.
As shown in figure 1, described two layers of sand tank 200 are made up of some folding units setting up and down.As shown in Fig. 2 institute
State folding unit and include folded sheet 210 and side plate 220, folded sheet 210 is I-shaped, and side plate 220 is in-line, is connected to I-shaped
The both sides of shape.As shown in figure 3, described folded sheet 210 includes gripper shoe 211 and wing plate 212, gripper shoe 211 is located at I-shaped
Vertical line, chain is connected to the wing plate 212 of two in-lines respectively for the both sides of top and bottom.As shown in Fig. 2 every layer folds unit by 7
Block plate forms, i.e. 211,4 blocks of wing plates 212 of 1 piece of gripper shoe and 2 pieces of side plates 220.As shown in figure 4, the rugosity for folded sheet 210
State, 4 wing plates 212 can fold along hinge, can be substantially reduced space availability ratio after being folded into a plane.As shown in figure 5, inset type
Framework 230 is mutually matched with the profile folding unit, and for day glyph framework, the above and below of framework is respectively equipped with groove, for inserting
Enter to fold unit, there is positioning and fixing effect.It is connected using hinge structure between gripper shoe 211 and wing plate 212, wing plate
With bolts between 212 and side plate 220, fold unit up and down and positioned using inset type framework 230, and adopt bolt
Fixing.Wherein, all using frame structure, frame selects square tube to each plate face of above-mentioned folding unit, for improving stability, middle increasing
Plus auxiliary leg horizontally and vertically, and the diagonal connecting rod connecting；Supporting leg and connecting rod are all connected using detachable bearing pin.
As shown in Fig. 1,6 and 7, described leakage silo 300 includes upper frame 310, leakage sand device 320 and underframe 330.In oil gas
In field pressure break, gas testing (oily) job execution, fracturing fluid generally requires to use two kinds of different sand, therefore, as shown in fig. 6, this
Bright provide a kind of combination type silo, two being arranged by left and right detachable leakage sand device 320 combination constitute, two leakage sand
Device 320 is located at the underface that both of the aforesaid breaks sand device 110 respectively, and separate is independent of each other.Before and after leakage sand device 320 is square
Cone structure, is easy to sediment outflow to reduce height, and bottom connects puts sand outlet.Leakage sand device 320 is fixed on inside by upper frame 310,
Described upper frame 310 is that the square tube being vertically and horizontally connected is constituted, and adopts detachable bearing pin connected mode in junction.As figure
Shown in 7, underframe 330 be fold cellular construction, also specifically for put sand outlet be reserved with hole.As shown in figure 1, described upper frame
The nethermost lower end folding unit is positioned using inset type framework 230 with two layers of sand tank 200 for 310 upper end, and
Fixed using bolt；The lower end of described upper frame 310 and the upper end of underframe 330 are also adopted by same structure and are positioned and consolidated
Fixed.
As shown in figure 1, because construction environment is located at field, tank body chance soil property ground is soft easily to sink, meets rock land face then
Uneven easy inclination, in order to increase the stability in the large of tank body, the lower section positioned at leakage silo 300 is additionally provided with plate base
400.As shown in figure 8, described base 400 is spliced by some jigsaw 410, the present invention is preferably and is formed by 3 pieces.Wherein, single
The size of block jigsaw 410: 2.3m × 7m × 0.19m, after the combination of 3 pieces of jigsaw 410, that is, the size of base 400: 6.9m × 7m ×
0.19m.Jigsaw 410 is preferably steel plate structure basis, on the basis of ensureing load-bearing, is also less prone to corrode.
Claims (9)
1. well fracturing with foldable silo it is characterised in that: include from top to bottom successively detachable connection top layer storage
Silo (100), two layers of sand tank (200) and leakage silo (300), and described top layer sand tank (100), two layers of sand tank (200)
It is Demountable with leakage silo (300).
2. well fracturing according to claim 1 with foldable silo it is characterised in that: described top layer sand tank
(100) it is provided with two broken sand devices (110) on, periphery is provided with folding top cap guardrail (120).
3. well fracturing according to claim 1 with foldable silo it is characterised in that: described two layers of sand tank
(200) it is connected to form up and down by some folding units；Described folding unit includes an I-shaped folded sheet (210) and two one
Font side plate (220), side plate (220) adopts bolt fixation to be connected with I-shaped both sides.
4. well fracturing according to claim 3 with foldable silo it is characterised in that: described folded sheet (210) bag
Include the gripper shoe (211) at I-shaped vertical line and the wing plate (212) being located at I-shaped upper and lower end both sides；Described wing plate
(212) it is connected with gripper shoe (211) using hinge.
5. well fracturing according to claim 3 with foldable silo it is characterised in that: described folded sheet (210) and
All using square tube frame structure, centre is provided with auxiliary leg horizontally and vertically to side plate (220), and the diagonal connecting rod connecting.
6. well fracturing according to claim 3 with foldable silo it is characterised in that: described folding unit connect up and down
The mode of connecing is to be mutually located by inset type framework (230), and is interfixed by bolt；Described inset type framework (230) is day word
Shape, and above and below is provided with groove.
7. well fracturing according to claim 1 with foldable silo it is characterised in that: described leakage silo (300) bag
Include upper frame (310), two leakages sand device (320) and underframe (330)；Adopt between described upper frame (310) and underframe (330)
It is connected with inset type framework (230), and fixed using bolt.
8. well fracturing according to claim 1 with foldable silo it is characterised in that: positioned at leakage silo (300)
Lower section is additionally provided with base (400).
9. well fracturing according to claim 8 with foldable silo it is characterised in that: described base (400) if by
The jigsaw (410) that dry steel plate is made is spliced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611028400.9A CN106364762B (en) | 2016-11-18 | 2016-11-18 | The foldable silo of well fracturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611028400.9A CN106364762B (en) | 2016-11-18 | 2016-11-18 | The foldable silo of well fracturing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106364762A true CN106364762A (en) | 2017-02-01 |
| CN106364762B CN106364762B (en) | 2018-07-06 |
Family
ID=57891847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611028400.9A Active CN106364762B (en) | 2016-11-18 | 2016-11-18 | The foldable silo of well fracturing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106364762B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107878876A (en) * | 2017-12-20 | 2018-04-06 | 汤树林 | A kind of foldable silo of formation breakdown |
| CN107934248A (en) * | 2017-12-20 | 2018-04-20 | 汤树林 | Container for transporting bulk fracturing propping agent |
| CN110077734A (en) * | 2019-04-15 | 2019-08-02 | 汤树林 | A kind of modularized combination type pillowcase tank |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2474187A1 (en) * | 2004-08-09 | 2004-10-24 | Dennis Z. Ouyang | The collapsible cargo container |
| CN202245231U (en) * | 2011-07-02 | 2012-05-30 | 南京沪联新型建材有限公司 | Sand feeding system |
| CN103144867A (en) * | 2013-04-03 | 2013-06-12 | 汤树林 | Detachable automatic sand adding sand tank, combined sand tank and realization method |
| CN203568224U (en) * | 2013-12-06 | 2014-04-30 | 汤树林 | Folding liquid tank |
| CN204057292U (en) * | 2014-08-16 | 2014-12-31 | 湖北四钻石油设备股份有限公司 | A kind of driven sand tank |
| CN104494501A (en) * | 2013-08-08 | 2015-04-08 | 普拉德研究及开发股份有限公司 | Mobile Oilfield Material Transfer Unit |
| CN206297855U (en) * | 2016-11-18 | 2017-07-04 | 汤树林 | The foldable silo of well fracturing |
-
2016
- 2016-11-18 CN CN201611028400.9A patent/CN106364762B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2474187A1 (en) * | 2004-08-09 | 2004-10-24 | Dennis Z. Ouyang | The collapsible cargo container |
| CN202245231U (en) * | 2011-07-02 | 2012-05-30 | 南京沪联新型建材有限公司 | Sand feeding system |
| CN103144867A (en) * | 2013-04-03 | 2013-06-12 | 汤树林 | Detachable automatic sand adding sand tank, combined sand tank and realization method |
| CN104494501A (en) * | 2013-08-08 | 2015-04-08 | 普拉德研究及开发股份有限公司 | Mobile Oilfield Material Transfer Unit |
| CN203568224U (en) * | 2013-12-06 | 2014-04-30 | 汤树林 | Folding liquid tank |
| CN204057292U (en) * | 2014-08-16 | 2014-12-31 | 湖北四钻石油设备股份有限公司 | A kind of driven sand tank |
| CN206297855U (en) * | 2016-11-18 | 2017-07-04 | 汤树林 | The foldable silo of well fracturing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107878876A (en) * | 2017-12-20 | 2018-04-06 | 汤树林 | A kind of foldable silo of formation breakdown |
| CN107934248A (en) * | 2017-12-20 | 2018-04-20 | 汤树林 | Container for transporting bulk fracturing propping agent |
| CN110077734A (en) * | 2019-04-15 | 2019-08-02 | 汤树林 | A kind of modularized combination type pillowcase tank |
| CN110077734B (en) * | 2019-04-15 | 2024-05-24 | 汤志翔 | Modular combined folding tank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106364762B (en) | 2018-07-06 |
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Effective date of registration: 20220418 Address after: Room 902, floor 9, unit 1, building 4, No. 333, Yuying Road, Xindu District, Chengdu, Sichuan 610500 Patentee after: Tang Zhixiang Address before: 610000 room 2, floor 5, unit 1, building 1, No. 518, East machao Road, Xiangcheng Avenue, Xindu District, Chengdu, Sichuan Patentee before: Tang Shulin |
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Effective date of registration: 20230525 Address after: No. 7, Floor 11, Block 9, No. 71 (Qiyi ISQUARE), South Section 1, Rongdu Avenue, Xindu District, Chengdu, Sichuan 610500 Patentee after: Chengdu Gaia Water Resources Management Co.,Ltd. Address before: Room 902, floor 9, unit 1, building 4, No. 333, Yuying Road, Xindu District, Chengdu, Sichuan 610500 Patentee before: Tang Zhixiang |
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Effective date of registration: 20231222 Address after: No. 59, South Section 1, Rongdu Avenue, Xindu Street, Xindu District, Chengdu City, Sichuan Province, 610500 Patentee after: Chengdu Doric Engineering Technology Co.,Ltd. Address before: No. 7, Floor 11, Block 9, No. 71 (Qiyi ISQUARE), South Section 1, Rongdu Avenue, Xindu District, Chengdu, Sichuan 610500 Patentee before: Chengdu Gaia Water Resources Management Co.,Ltd. |
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