CN105804694B - Treatment of dirt method in petroleum pipeline - Google Patents
Treatment of dirt method in petroleum pipeline Download PDFInfo
- Publication number
- CN105804694B CN105804694B CN201610321381.2A CN201610321381A CN105804694B CN 105804694 B CN105804694 B CN 105804694B CN 201610321381 A CN201610321381 A CN 201610321381A CN 105804694 B CN105804694 B CN 105804694B
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- Prior art keywords
- petroleum pipeline
- traction rope
- bracket
- fixed
- free end
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- 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.)
- Expired - Fee Related
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- 239000003208 petroleum Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004140 cleaning Methods 0.000 claims abstract description 48
- 238000003825 pressing Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 239000006210 lotion Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 description 6
- 239000004519 grease Substances 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 244000273618 Sphenoclea zeylanica Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007688 edging Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/02—Scrapers specially adapted therefor
-
- 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
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Cleaning In General (AREA)
- Sewage (AREA)
Abstract
The invention discloses treatment of dirt methods in petroleum pipeline, solve since petroleum pipeline is longer, thus the problem of need longer push-pull rod to be cooperated just to effectively remove substance in pipeline, operation is caused to be inconvenient.The present invention includes the first step, and operating main body, cleaning body and stationary body is respectively prepared；The both ends of petroleum pipeline are respectively designated as inserting end and extension end first by second step, and the free end of the second traction rope is passed through line three-way hole after fixed pulley；Then, cleaning body is protruded into petroleum pipeline from inserting end, and stationary body is fixed on to the inserting end of petroleum pipeline；Finally, the free end of the first traction rope and the free end of the second traction rope are respectively wound around rotating bar both ends from opposite direction；Movement of the cleaning body in petroleum pipeline can be realized in third step, rotation shake handle.The present invention has many advantages, such as convenient for picking and placing, and operates more convenient.
Description
Technical field
The present invention relates to a kind for the treatment of of dirt methods, and in particular to treatment of dirt method in petroleum pipeline.
Background technique
With the continuous development of petroleum industry, the substantial increase of various petroleum note bilge wells, so that various oil pipelines,
Aqueduct demand also increases, and grease pipe tube inner wall after being used for a long time will adhere to there are many impurity such as grease stain, dirt,
It is just more blocked when surveying the dynamics monitoring works such as pressure and oil-field flooding using the test that grease pipe carries out oil well, influences monitoring knot
Fruit, while difficulty is brought to water filling, it needs to re-replace pipeline toward contact sometimes, brings inconvenience to well maintenance.It is right
Petroleum transmission pipeline carries out periodic cleaning maintenance, is conducive to extend pipeline life, improves efficiency of transmission, reduces energy consumption and leakage.
It is a kind of petroleum pipeline cleaning device disclosed in patent CN201520628436.5, including scrubs mechanism, becomes
Diameter mechanism and casing, scrub mechanism and diameter changing mechanism is each provided with motor, and motor is mounted in casing, before casing both ends are respectively
End cap and rear end cap scrub mechanism and are provided with main shaft, and main shaft passes through drive end bearing bracket, and lantern ring is arranged in spindle nose, and lantern ring, which is hinged with, to be washed
Brush connecting rod is scrubbed connecting rod and is hinged with and scrubs；Diameter changing mechanism is provided with screw rod, and threaded shaft is arranged in rear end cap, and threaded shaft is parallel to silk
Sliding block is fixed in bar, feed screw nut and threaded shaft, sliding block, drive end bearing bracket, rear end cap are hinged with variable diameter connecting rod, variable diameter connecting rod hinge
It is connected to variable diameter bar；The main shaft, screw rod are wound on same straight line rotation with electronic.Structure is complicated for this, with high costs；And due to petroleum
Pipeline is longer, thus needs longer push-pull rod to be cooperated just to effectively remove substance in pipeline, thus picks and places, clean behaviour
It is inconvenient.
A kind of cleaning device for petroleum pipeline in patent CN201520074508.6, including successively lead to from front to back
Cross dirt scraping equipment, cleaning device and the edging device being threadedly coupled；Dirt scraping equipment, cleaning device and edging device are cavity knot
Structure and inside communicate connected；Dirt scraping equipment includes the rotary shaft body for cylindrical body, is offered on rotary shaft body through rotary shaft body front and back end
The threaded hole in face further includes the hollow stem being connected on rotary shaft body by threaded hole, is uniformly provided with leak hole on hollow stem；Also wrap
The circular groove being uniformly arranged on rotary shaft body periphery is included, the part between adjacent circular groove constitutes blade.It should
Although structure structure is simple with respect to CN201520628436.5, it is also required to another longer push-pull rod when operating and is matched
Close the purpose that could effectively realize cleaning.
Summary of the invention
The technical problems to be solved by the present invention are: since petroleum pipeline is longer, thus longer push-pull rod is needed to carry out
Cooperation can just effectively remove substance in pipeline, thus pick-and-place, clean operation are inconvenient；It is designed to provide a kind of solution
Treatment of dirt method in the petroleum pipeline of the above problem.
The present invention is achieved through the following technical solutions:
Treatment of dirt method in petroleum pipeline, comprising:
Operating main body, cleaning body and stationary body is respectively prepared in the first step；
The stationary body includes fixed pulley；
The cleaning body includes cylindrical bracket cylinder, and the clean body on one week side wall of bracket cylinder is arranged in, if
The line three-way hole in bracket cylinder at axial centerline is set, one end is fixed at bracket cylinder top center position, is another
One end is the first traction rope of free end, and one end is fixed at bracket cylinder bottom center point position, the other end is around fixed pulley
The second traction rope of bracket cylinder top is extended to from line three-way hole afterwards；
The operating main body includes fixed frame, the rotating bar being mounted on fixed frame, and the shake handle in rotating bar is arranged in
Hand；The free end of first traction rope is connected at the end position of rotating bar one end, the free end of second traction rope
It is connected at the end position of the rotating bar other end；
Second step completes the assembling of operating main body, cleaning body and stationary body on petroleum pipeline, specific assembling process
Are as follows: the both ends of petroleum pipeline are respectively designated as inserting end and extension end first, by the free end of the second traction rope around fixed sliding
Line three-way hole is passed through after wheel, protrudes into petroleum pipeline from inserting end together with the free end of the first traction rope, and stretch out stone from extension end
Oil-piping；Then, cleaning body is protruded into petroleum pipeline from inserting end, and stationary body is fixed on protruding into for petroleum pipeline
End；Finally, the free end of the first traction rope and the free end of the second traction rope are respectively wound around rotating bar from opposite direction
Both ends；
Movement of the cleaning body in petroleum pipeline can be realized in third step, rotation shake handle.
By the cooperation of the first traction rope, the second traction rope and fixed pulley, bracket cylinder and clean body can be effectively set to follow
The movement of rope and move, and then achieve the purpose that cleaning.And passes through the effect of the rope, effectively convenient for picking and placing, and grasp
Make more convenient.
By the setting of operating main body, need to only rotate shake handle can be realized matching for the first traction rope and the second traction rope
Movement is closed, facilitates manual operation, effect is more significant.
Further, the bracket cylinder is hollow structure, is additionally provided with rinse liquid outlet on the side wall of the bracket cylinder, should
The cleaning solution putting bag being connected to rinse liquid outlet is additionally provided in hollow structure, the cleaning solution at adjacent threads lead to the hole site is placed
It is additionally provided with perforation on bag, pressing plate is additionally provided in the rack tube body, one end third connected to it is provided on the pressing plate and is led
Messenger, the third traction rope other end extend line three-way hole after passing through perforation；Perforation corresponding position is provided with just on the pressing plate
In the string holes that the second traction rope passes through.
By the setting of above structure, the first traction rope and third traction rope need to be only pulled simultaneously, and release cleaning solution is placed
Cleaning solution in bag, by clean body in moving process andCleaning solutionCollective effect the inner tubal wall of petroleum pipeline is cleared up.
The setting for passing through the third traction rope, can effectively squeeze cleaning solution putting bag, and then make in cleaning solution putting bag
Cleaning solution sprays, and then has the function that clean inside petroleum pipeline together with clean body, and it is more convenient to operate.
Further, the stationary body further includes the bracket for fixed pulley installation, and the limit being arranged on bracket
Latch.
Further, the bracket is circular ring type, which is installed to the center position of bracket by connecting rod.It is described
The quantity of bracket upper limit latch is 3 or more, and 3 or more limit latches are rounded is evenly spaced on bracket for this.It is described
Bearing bar is additionally provided on bracket.
By the setting of above-mentioned optimization, stationary body is set to be fixed on one end of petroleum pipeline, and then effectively convenient for rope body
Freely operate.
In order to effectively promote bracket cylinder and clean body is stable moves in pipeline, so make clean body everywhere with pipe
Pressure between road inside is almost the same, effectively improves clean effect.First traction rope is fixed on by being stably connected with rope
On bracket cylinder, this is stably connected with rope and is made of three ropes body consistent in length, and one end of this three rope bodies is fixed on rack tube
On body, the other end is fixed as one and connect with the fixing end of the first traction rope.Three ropes body consolidating on bracket cylinder
Pinpoint shape in equilateral triangle.
Compared with prior art, the present invention having the following advantages and benefits:
1, the present invention is by the cooperation of the first traction rope, the second traction rope and fixed pulley, can effectively make bracket cylinder and clear
Clean body follows the movement of rope and moves, and then achievees the purpose that cleaning；
2, the present invention is by the setting of operating main body, only need to rotate shake handle the first traction rope and second can be realized and lead
The cooperation of messenger is mobile, facilitates manual operation, effect is more significant；
3, it can effectively promote bracket cylinder and clean body stable in pipeline by the pulling of the first traction rope in the present invention
Interior movement, and then keep pressure of the clean body everywhere between pipeline inside almost the same, effectively improve clean effect；
4, the present invention passes through the setting of third traction rope, can effectively squeeze cleaning solution putting bag, and then makes clear
Washing lotion putting bag cleaning liquid inside sprays, and then has the function that clean inside petroleum pipeline together with clean body, and operation is more just
It is prompt.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention.
Fig. 2 be the present invention in cleaning body connected with stationary body after structural schematic diagram.
Fig. 3 is the schematic diagram of internal structure of cleaning body in the present invention.
Label and corresponding parts title in attached drawing:
1- bracket cylinder, 2- clean body, 3- line three-way hole, the first traction rope of 4-, the second traction rope of 5-, 6- fixed pulley, 7- branch
Frame, 8- limit latch, 9- connecting rod, 10- bearing bar, 11- are stably connected with rope, 12- rinse liquid outlet, and 13- perforates, 14- pressing plate,
15- third traction rope, 16- string holes, 17- fixed frame, 18- rotating bar, 19- shake handle.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1
As shown in Figure 1-Figure 3, treatment of dirt method in petroleum pipeline of the present invention, comprising:
Operating main body, cleaning body and stationary body is respectively prepared in the first step.
The stationary body includes fixed pulley 6；The stationary body further includes the bracket 7 installed for fixed pulley 6, and
Limit latch 8 on bracket 7 is set.The bracket 7 is circular ring type, which is installed to bracket 7 by connecting rod 9
Center position.The quantity of the 7 upper limit latch 8 of bracket is 3 or more, and 3 or more the limit latches 8 are rounded uniformly
It is arranged on bracket 7.Bearing bar 10 is additionally provided on the bracket 7.
The cleaning body includes cylindrical bracket cylinder 1, and the clean body 2 on 1 one weeks side walls of bracket cylinder is arranged in,
Line three-way hole 3 of the bracket cylinder 1 at axial centerline is set, and one end is fixed on 1 top center position of bracket cylinder
Place, the first traction rope 4 that the other end is free end, one end is fixed at 1 bottom center point position of bracket cylinder, the other end bypasses
Second traction rope 5 on 1 top of bracket cylinder is extended to after fixed pulley 6 from line three-way hole 3.
The bracket cylinder 1 is hollow structure, is additionally provided with rinse liquid outlet 12 on the side wall of the bracket cylinder 1, in this
It is additionally provided in hollow structure and is connected to rinse liquid outlet 12Cleaning solution putting bag, at 3 position of line three-way holeCleaning solution is put BaggingOn be additionally provided with perforation 13, be additionally provided with pressing plate 14 in the bracket cylinder 1, be provided with one end on the pressing plate 14 and be connected thereto
Third traction rope 15,15 other end of third traction rope pass through perforation 13 after extend line three-way hole 3.The pressing plate in the present embodiment
14 be located at 1 bottom end of bracket cylinder andCleaning solution putting bagBetween；13 corresponding positions of perforating on the pressing plate 14 are provided with convenient for
The string holes 16 that two traction ropes 5 pass through.
The operating main body includes fixed frame 17, the rotating bar 18 being mounted on fixed frame 17, is arranged in rotating bar 18
Shake handle 19；The free end of first traction rope 4 is connected at the end position of 18 one end of rotating bar, and described second leads
The free end of messenger 5 is connected at the end position of 18 other end of rotating bar.
Second step completes the assembling of operating main body, cleaning body and stationary body on petroleum pipeline, specific assembling process
Are as follows: the both ends of petroleum pipeline are respectively designated as inserting end and extension end first, by the free end of the second traction rope around fixed sliding
Line three-way hole is passed through after wheel, protrudes into petroleum pipeline from inserting end together with the free end of the first traction rope, and stretch out stone from extension end
Oil-piping；Then, cleaning body is protruded into petroleum pipeline from inserting end, and stationary body is fixed on protruding into for petroleum pipeline
End；Finally, the first traction rope and the second traction rope that petroleum pipeline extension end is stretched out, are respectively wound around from opposite direction and turn
The both ends of lever, as shown in Figure 1.
Movement of the cleaning body in petroleum pipeline can be realized in third step, rotation shake handle；First is pulled to lead simultaneously
Messenger and third traction rope discharge the cleaning solution in cleaning solution putting bag, by clean body in moving process andCleaning solution's
Collective effect clears up the inner tubal wall of petroleum pipeline.
Embodiment 2
The present embodiment the difference from embodiment 1 is that, the first traction rope 4 is by being stably connected with rope 11 described in the present embodiment
It is fixed on bracket cylinder 1, this is stably connected with rope 11 and is made of three ropes body consistent in length, and one end of this three rope bodies is fixed
On bracket cylinder 1, the other end is fixed as one and connect with the fixing end of the first traction rope 4.Three ropes body is in bracket
Fixed point shaped formation in equilateral triangle on cylinder 1.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (7)
1. treatment of dirt method in petroleum pipeline characterized by comprising
Operating main body, cleaning body and stationary body is respectively prepared in the first step；
The stationary body includes fixed pulley (6)；
The cleaning body includes cylindrical bracket cylinder (1), the clean body being arranged on (1) one week side wall of bracket cylinder
(2), the line three-way hole (3) at bracket cylinder (1) neighbouring axial centerline is set, and one end is fixed on bracket cylinder (1) top
At center position, the other end be free end the first traction rope (4), one end is fixed on bracket cylinder (1) bottom center point
The place of setting, the other end are around the second traction rope (5) for extending to bracket cylinder (1) top after fixed pulley (6) from line three-way hole (3)；
The operating main body includes fixed frame (17), the rotating bar (18) being mounted on fixed frame (17), is arranged in rotating bar
(18) shake handle (19) on；The free end of first traction rope (4) is connected to the end position of rotating bar (18) one end
Place, the free end of second traction rope (5) is connected at the end position of rotating bar (18) other end；
Second step completes the assembling of operating main body, cleaning body and stationary body on petroleum pipeline, specific assembling process are as follows:
The both ends of petroleum pipeline are respectively designated as inserting end and extension end first, by the free end of the second traction rope around after fixed pulley
Across line three-way hole, petroleum pipeline is protruded into from inserting end together with the free end of the first traction rope, and stretch out petroleum pipeline from extension end
Road；Then, cleaning body is protruded into petroleum pipeline from inserting end, and stationary body is fixed on to the inserting end of petroleum pipeline；
Finally, the free end of the first traction rope and the free end of the second traction rope are respectively wound around rotating bar two from opposite direction
End；
Movement of the cleaning body in petroleum pipeline can be realized in third step, rotation shake handle；
The bracket cylinder (1) is hollow structure, is additionally provided with rinse liquid outlet (12) on the side wall of the bracket cylinder (1), should
It is additionally provided in hollow structure and is connected to rinse liquid outlet (12)Cleaning solution putting bag, at line three-way hole (3) positionClearly Washing lotion putting bagOn be additionally provided with perforation (13), is additionally provided with pressing plate (14) in the bracket cylinder (1), is set on the pressing plate (14)
It is equipped with the third traction rope (15) that one end is firmly connected with it, which passes through perforation (13) and extend afterwards
Line three-way hole (3) out；Perforation (13) corresponding position is provided with the string holes passed through convenient for the second traction rope (5) on the pressing plate (14)
(16)；The first traction rope and third traction rope are pulled simultaneously, the cleaning solution in cleaning solution putting bag are discharged, by moving process
Clean body andCleaning solutionCollective effect the inner tubal wall of petroleum pipeline is cleared up.
2. treatment of dirt method in petroleum pipeline according to claim 1, which is characterized in that the stationary body further includes
For the bracket (7) of fixed pulley (6) installation, and the limit latch (8) being arranged on bracket (7).
3. treatment of dirt method in petroleum pipeline according to claim 2, which is characterized in that the bracket (7) is annulus
Type, the fixed pulley (6) are installed to the center position of bracket (7) by connecting rod (9).
4. treatment of dirt method in petroleum pipeline according to claim 3, which is characterized in that bracket (7) upper limit
The quantity of latch (8) is 3 or more, and 3 or more limit latches (8) are rounded is evenly spaced on bracket (7) for this.
5. treatment of dirt method in petroleum pipeline according to claim 2, which is characterized in that also set on the bracket (7)
It is equipped with bearing bar (10).
6. treatment of dirt method in petroleum pipeline according to claim 1, which is characterized in that first traction rope (4)
It is fixed on bracket cylinder (1) by being stably connected with rope (11), this is stably connected with rope (11) by three ropes body group consistent in length
At one end of this three rope bodies is fixed on bracket cylinder (1), and the other end is fixed as one and consolidates with the first traction rope (4)
Fixed end connection.
7. treatment of dirt method in petroleum pipeline according to claim 6, which is characterized in that three ropes body is in bracket
Fixed point shaped formation in equilateral triangle on cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610321381.2A CN105804694B (en) | 2016-05-16 | 2016-05-16 | Treatment of dirt method in petroleum pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610321381.2A CN105804694B (en) | 2016-05-16 | 2016-05-16 | Treatment of dirt method in petroleum pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105804694A CN105804694A (en) | 2016-07-27 |
| CN105804694B true CN105804694B (en) | 2019-03-05 |
Family
ID=56451235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610321381.2A Expired - Fee Related CN105804694B (en) | 2016-05-16 | 2016-05-16 | Treatment of dirt method in petroleum pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105804694B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2169495Y (en) * | 1993-07-08 | 1994-06-22 | 广东省英德县英龙水泥厂 | Horizontal pipeline ash removal device |
| CN201385251Y (en) * | 2009-03-07 | 2010-01-20 | 浙江开元安装集体有限公司第二分公司 | Pipeline cleaning and rust removing device |
| KR20150067617A (en) * | 2013-12-10 | 2015-06-18 | 한국가스공사 | Apparatus for pipe cleaning |
| CN204685603U (en) * | 2015-05-05 | 2015-10-07 | 中石化南京工程有限公司 | A kind of pipe cleaning device |
| CN205074302U (en) * | 2015-08-12 | 2016-03-09 | 郭鸿沂 | Cleaning equipment of filth pipeline |
-
2016
- 2016-05-16 CN CN201610321381.2A patent/CN105804694B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105804694A (en) | 2016-07-27 |
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Address after: 618000 Fuzhou Road, Deyang, Guanghan, China, the two paragraph of the city of Sichuan Applicant after: SICHUAN XIPU PETROLEUM MATERIALS EQUIPMENT CO.,LTD. Address before: 618300 Fuzhou Road, Deyang, Guanghan, China, the two paragraph of the city of Sichuan Applicant before: SICHUAN XILIN PETROLEUM MATERIAL EQUIPMENT CO.,LTD. |
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Effective date of registration: 20190610 Address after: 610000 No. 10, 2 2, 88 Jiao Zi Road, Chengdu high tech Zone, Sichuan. Patentee after: Sichuan Xingzhi Zhihui Intellectual Property Operation Co.,Ltd. Address before: 618000 Second Section of Fuzhou Road, Guanghan City, Deyang City, Sichuan Province Patentee before: SICHUAN XIPU PETROLEUM MATERIALS EQUIPMENT CO.,LTD. |
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Effective date of registration: 20230323 Address after: No. 147, Qingjiang Middle Road, Qingbaijiang District, Chengdu, Sichuan 610000 (in Chengdu Europe Entrepreneurship Yard) Patentee after: Chengdu Zhirong Zhichuang Intellectual Property Operation Co.,Ltd. Address before: 610000 No. 10, 2 2, 88 Jiao Zi Road, Chengdu high tech Zone, Sichuan. Patentee before: Sichuan Xingzhi Zhihui Intellectual Property Operation Co.,Ltd. |
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Granted publication date: 20190305 |
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