CN105772455A - Cleanout fluid cleaning method for petroleum pipeline - Google Patents

Cleanout fluid cleaning method for petroleum pipeline Download PDF

Info

Publication number
CN105772455A
CN105772455A CN201610321013.8A CN201610321013A CN105772455A CN 105772455 A CN105772455 A CN 105772455A CN 201610321013 A CN201610321013 A CN 201610321013A CN 105772455 A CN105772455 A CN 105772455A
Authority
CN
China
Prior art keywords
petroleum pipeline
cleanout fluid
pull rope
support cylinder
rope
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
Application number
CN201610321013.8A
Other languages
Chinese (zh)
Other versions
CN105772455B (en
Inventor
贺昶明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Zhirong Zhichuang Intellectual Property Operation Co ltd
Original Assignee
SICHUAN XILIN OIL SUPPLIES EQUIPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SICHUAN XILIN OIL SUPPLIES EQUIPMENT Co Ltd filed Critical SICHUAN XILIN OIL SUPPLIES EQUIPMENT Co Ltd
Priority to CN201610321013.8A priority Critical patent/CN105772455B/en
Publication of CN105772455A publication Critical patent/CN105772455A/en
Application granted granted Critical
Publication of CN105772455B publication Critical patent/CN105772455B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • B08B9/04Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/043Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/08Cleaning involving contact with liquid the liquid having chemical or dissolving effect
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cleaning In General (AREA)

Abstract

The invention discloses a cleanout fluid cleaning method for a petroleum pipeline. The problems that the petroleum pipeline is longer, so that a longer push-and-pull rod is needed to be used in a matched manner, and then matter in the pipeline can be effectively removed are solved. The cleanout fluid cleaning method includes the steps that (1) a simple and convenient cleaning device for the petroleum pipeline with a cleaning body and a fixing body is assembled; (2) the petroleum pipeline has two ends which are named as an extending-in end and an extending-out end, and the free end of a first pulling rope and the free end of a second pulling rope extend into the petroleum pipeline from the extending-in end and extend out of the petroleum pipeline from the extending-out end; (3) the cleaning body extends into the petroleum pipeline from the extending-in end, and the fixing body is fixed to the extending-in end of the petroleum pipeline; and (4) the first pulling rope and the second pulling rope are pulled to achieve movement of a support barrel, the first pulling rope and a third pulling rope are pulled at the same time, cleanout fluid in a cleanout fluid containing bag is released, and the inner pipe wall of the petroleum pipeline is cleaned through joint effects of a cleaning body and the cleanout fluid in the movement process. The cleanout fluid cleaning method has the beneficial effects of being convenient to operate and the like.

Description

Cleanout fluid clean method for petroleum pipeline
Technical field
The present invention relates to a kind of clean method, be particularly used for the cleanout fluid clean method of petroleum pipeline.
Background technology
Development along with petroleum industry, the substantial increase of various oil note bilge well, various oil pipeline, aqueduct demand are also increased, profit pipe tube inner wall after permanent use will be attached with the impurity such as many oil stains, dirt, just comparatively block when work and oil-field flooding are dynamically monitored in the test pressure measurement etc. using profit pipe to carry out oil well, affect monitored results, bring difficulty to water filling simultaneously, sometimes also tend to need again to change pipeline, bring inconvenience to well maintenance.Oil transmission pipeline is carried out routine cleaning maintenance, is conducive to extending pipeline life, improves efficiency of transmission, reduce energy consumption and leakage.
Is a kind of petroleum pipeline rinser disclosed in patent CN201520628436.5, including scrubbing mechanism, diameter changing mechanism and casing, scrub mechanism and be each provided with motor with diameter changing mechanism, motor is arranged in casing, casing two ends respectively drive end bearing bracket and rear end cap, scrubs mechanism and is provided with main shaft, main shaft traverse drive end bearing bracket, spindle nose arranges the collar, and the collar is hinged with scrubs connecting rod, scrubs rod hinge connection and scrubs;Diameter changing mechanism is provided with screw mandrel, and rear end cap arranges threaded shaft, and threaded shaft is parallel to screw mandrel, and feed screw nut and threaded shaft are fixed with slide block, and slide block, drive end bearing bracket, rear end cap are all hinged with reducing connecting rod, and reducing rod hinge connection has reducing bar;Described main shaft, screw mandrel and electronic be wound on same straight line rotate.This structure is complicated, with high costs;And owing to petroleum pipeline is longer so that longer push-pull bar carries out cooperation could effectively remove material in pipeline, thus pick and place, the operation cleaned all is inconvenient for.
A kind of rinser for petroleum pipeline in patent CN201520074508.6, including passing sequentially through threaded dirt scraping equipment, rinser and edging device from front to back;Dirt scraping equipment, rinser and edging device are cavity structure and inside communicates connected;Dirt scraping equipment includes for cylindrical rotary shaft body, rotary shaft body offering the screwed hole running through rotary shaft body front/rear end, also including the hollow stem being connected on rotary shaft body by screwed hole, hollow stem uniformly offers small opening;Also including the circular groove being uniformly arranged on rotary shaft body periphery, the part between adjacent circular groove constitutes blade.Although the relative CN201520628436.5 of this structure structure is simple, but it is also required to another root longer push-pull bar during its operation and carries out coordinating the purpose that could effectively realize cleaning.
Summary of the invention
The technical problem to be solved is: owing to petroleum pipeline is longer so that longer push-pull bar carries out cooperation could effectively remove material in pipeline, thus pick and place, the operation cleaned all is inconvenient for;Purpose is in that to provide a kind of cleanout fluid clean method for petroleum pipeline solving the problems referred to above.
The present invention is achieved through the following technical solutions:
For the cleanout fluid clean method of petroleum pipeline, including:
The first step, assembles the easy rinser of the petroleum pipeline with cleaning body and stationary body;
Described stationary body is provided with fixed pulley;Described cleaning body includes the support cylinder of cylinder, it is arranged on the clean body on one week sidewall of support cylinder, it is arranged on the line three-way hole at the contiguous axial centerline place of support cylinder, the first pull rope that one end is fixed on support cylinder top center position place, the other end is free end, one end is fixed on support cylinder top center position place, the other end extends to the second pull rope of support cylinder top from line three-way hole after walking around fixed pulley.Described stationary body includes fixed pulley, for the support that fixed pulley is installed, and is arranged on the spacing latch on support;
Described support cylinder is hollow structure, the sidewall of this support cylinder is additionally provided with rinse liquid outlet, the cleanout fluid putting bag connected with rinse liquid outlet it is additionally provided with in this hollow structure, the cleanout fluid putting bag at adjacent threads lead to the hole site place is additionally provided with perforation, it is additionally provided with pressing plate in this rack tube body, being provided with connected 3rd pull rope in one end on this pressing plate, the 3rd pull rope other end extends line three-way hole after perforation;On this pressing plate, perforation corresponding position is provided with and is easy to the string holes that the second pull rope passes through;
Second step, petroleum pipeline has two ends, is respectively designated as inserting end and external part, and the free end of the first pull rope and the second pull rope stretches into petroleum pipeline from inserting end, and stretches out petroleum pipeline from external part;
3rd step, stretches into cleaning body in petroleum pipeline from inserting end, and stationary body is fixed on the inserting end of petroleum pipeline;
4th step, pulls the first pull rope and the second pull rope can effectively realize the cleaning of petroleum pipeline respectively, pulls the cleanout fluid in the 3rd pull rope release cleanout fluid putting bag simultaneously.
By the cooperation of the first pull rope, the second pull rope and fixed pulley, can effectively make support cylinder and clean body follow the movement of rope and move, and then reach the purpose of cleaning.And by the effect of this rope, be effectively easy to pick and place, and more convenient to operate.
Further, described support is circular ring type, and this fixed pulley is installed to the center position of support by connecting rod.The quantity of described support upper limit latch is more than 3, and spacing latch (8) of more than 3 is rounded is evenly spaced on support for this.Described support is additionally provided with bearing bar.
By the setting of above-mentioned optimization, effectively make stationary body be fixed on one end of petroleum pipeline, and then be easy to the free operant of rope body.
In order to enable effectively to promote support cylinder and stable the moving in pipeline of clean body, and then make clean body pressure everywhere and between pipe interior basically identical, be effectively improved clean effect.Described first pull rope is fixed on support cylinder by being stably connected with rope, and this is stably connected with the three rope bodies restricted by length is consistent and forms, and one end of these three rope bodies is fixed on support cylinder, and the other end is fixed as one and is connected with the fixing end of the first pull rope.Described three rope body fixing points on support cylinder are equilateral triangular shape arrangement.
The present invention compared with prior art, has such advantages as and beneficial effect:
1, the present invention is by the cooperation of the first pull rope, the second pull rope and fixed pulley, can effectively make support cylinder and clean body follow the movement of rope and move, and then reaches the purpose of cleaning;
2, the present invention effect by this rope, is effectively easy to pick and place, and more convenient to operate;
3, the present invention can effectively promote support cylinder and stable the moving in pipeline of clean body, and then make clean body pressure everywhere and between pipe interior basically identical, be effectively improved clean effect.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by the embodiment of the present invention, constitutes the part of the application, is not intended that the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is present configuration schematic diagram.
Fig. 2 is the internal structure schematic diagram of cleaning body in the present invention.
The parts title of labelling and correspondence in accompanying drawing:
1-support cylinder, 2-clean body, 3-line three-way hole, 4-the first pull rope, 5-the second pull rope, 6-fixed pulley, 7-support, the spacing latch of 8-, 9-connecting rod, 10-bearing bar, 11-is stably connected with rope, 12-rinse liquid outlet, and 13-bores a hole, 14-pressing plate, 15-the 3rd pull rope.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment and the explanation thereof of the present invention are only used for explaining the present invention, not as a limitation of the invention.
Embodiment
As Figure 1-Figure 2, the present invention is used for the cleanout fluid clean method of petroleum pipeline, including:
The first step, assembles the easy rinser of the petroleum pipeline with cleaning body and stationary body;
Stationary body described in the present embodiment includes fixed pulley 6, for the support 7 that fixed pulley 6 is installed, and is arranged on the spacing latch 8 on support 7.Described support 7 is circular ring type, and this fixed pulley 6 is installed to the center position of support 7 by connecting rod 9.The quantity of described support 7 upper limit latch 8 is more than 3, and spacing latch 8 of more than 3 is rounded is evenly spaced on support 7 for this.Described support 7 is additionally provided with bearing bar 10.
This cleaning body described includes the support cylinder (1) of cylinder, it is arranged on the clean body (2) on (1) one week sidewall of support cylinder, it is arranged on the line three-way hole (3) at the contiguous axial centerline place of support cylinder (1), the first pull rope (4) that one end is fixed on center position place, support cylinder (1) top, the other end is free end, one end is fixed on support cylinder (1) bottom center point position, the other end extends to second pull rope (5) on support cylinder (1) top from line three-way hole (3) after walking around fixed pulley (6);
Described first pull rope 4 is fixed on support cylinder 1 by being stably connected with rope 11, this is stably connected with rope 11 and is made up of three rope bodies that length is consistent, one end of these three rope bodies is fixed on support cylinder 1, and the other end is fixed as one and is connected with the fixing end of the first pull rope 4.Described three rope body fixing points on support cylinder 1 are equilateral triangular shape arrangement.
Described support cylinder (1) is hollow structure, the sidewall of this support cylinder (1) is additionally provided with rinse liquid outlet (12), the cleanout fluid putting bag (12) connected with rinse liquid outlet (12) it is additionally provided with in this hollow structure, the cleanout fluid putting bag (12) of adjacent threads through hole (3) position is additionally provided with perforation (13), it is additionally provided with pressing plate (14) in this support cylinder (1), this pressing plate (14) is provided with connected 3rd pull rope (15) in one end, 3rd pull rope (15) other end extends line three-way hole (3) after perforation (13);The upper perforation of this pressing plate (14) (13) corresponding position is provided with is easy to the string holes (16) that the second pull rope (5) passes through.
Second step, petroleum pipeline has two ends, is respectively designated as inserting end and external part, and the free end of the first pull rope and the second pull rope stretches into petroleum pipeline from inserting end, and stretches out petroleum pipeline from external part.
3rd step, stretches into cleaning body in petroleum pipeline from inserting end, and stationary body is fixed on the inserting end of petroleum pipeline.
4th step, the first pull rope and the second pull rope is pulled to realize the movement of support cylinder respectively, pull the first pull rope and the 3rd pull rope, the cleanout fluid in release cleanout fluid putting bag simultaneously, by the combined effect of the clean body in moving process and cleaning solution, the inner tubal wall of petroleum pipeline is cleared up.
Above-described detailed description of the invention; the purpose of the present invention, technical scheme and beneficial effect have been further described; it is it should be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain being not intended to limit the present invention; all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.

Claims (7)

1. for the cleanout fluid clean method of petroleum pipeline, it is characterised in that including:
The first step, assembles the easy rinser of the petroleum pipeline with cleaning body and stationary body;
Described stationary body is provided with fixed pulley (6);
This cleaning body described includes the support cylinder (1) of cylinder, it is arranged on the clean body (2) on (1) one week sidewall of support cylinder, it is arranged on the line three-way hole (3) at the contiguous axial centerline place of support cylinder (1), the first pull rope (4) that one end is fixed on center position place, support cylinder (1) top, the other end is free end, one end is fixed on support cylinder (1) bottom center point position, the other end extends to second pull rope (5) on support cylinder (1) top from line three-way hole (3) after walking around fixed pulley (6);
Described support cylinder (1) is hollow structure, the sidewall of this support cylinder (1) is additionally provided with rinse liquid outlet (12), the cleanout fluid putting bag (12) connected with rinse liquid outlet (12) it is additionally provided with in this hollow structure, the cleanout fluid putting bag (12) of adjacent threads through hole (3) position is additionally provided with perforation (13), it is additionally provided with pressing plate (14) in this support cylinder (1), this pressing plate (14) is provided with connected 3rd pull rope (15) in one end, 3rd pull rope (15) other end extends line three-way hole (3) after perforation (13);The upper perforation of this pressing plate (14) (13) corresponding position is provided with is easy to the string holes (16) that the second pull rope (5) passes through;
Second step, petroleum pipeline has two ends, is respectively designated as inserting end and external part, and the free end of the first pull rope and the second pull rope stretches into petroleum pipeline from inserting end, and stretches out petroleum pipeline from external part;
3rd step, stretches into cleaning body in petroleum pipeline from inserting end, and stationary body is fixed on the inserting end of petroleum pipeline;
4th step, the first pull rope and the second pull rope is pulled to realize the movement of support cylinder respectively, pull the first pull rope and the 3rd pull rope, the cleanout fluid in release cleanout fluid putting bag simultaneously, by the combined effect of the clean body in moving process and cleaning solution, the inner tubal wall of petroleum pipeline is cleared up.
2. the cleanout fluid clean method for petroleum pipeline according to claim 1, it is characterised in that described stationary body includes fixed pulley (6), for the support (7) that fixed pulley (6) is installed, and is arranged on the spacing latch (8) on support (7).
3. the cleanout fluid clean method for petroleum pipeline according to claim 2, it is characterised in that described support (7) is circular ring type, and this fixed pulley (6) is installed to the center position of support (7) by connecting rod (9).
4. the cleanout fluid clean method for petroleum pipeline according to claim 2, it is characterised in that the quantity of described support (7) upper limit latch (8) is more than 3, spacing latch (8) of more than 3 is rounded is evenly spaced on support (7) for this.
5. the cleanout fluid clean method for petroleum pipeline according to claim 3, it is characterised in that be additionally provided with bearing bar (10) on described support (7).
6. the cleanout fluid clean method for petroleum pipeline according to claim 2, it is characterized in that, described first pull rope (4) is fixed on support cylinder (1) by being stably connected with rope (11), this is stably connected with rope (11) and is made up of three rope bodies that length is consistent, one end of these three rope bodies is fixed on support cylinder (1), and the other end is fixed as one and is connected with the fixing end of the first pull rope (4).
7. the cleanout fluid clean method for petroleum pipeline according to claim 6, it is characterised in that described three rope body fixing points on support cylinder (1) are equilateral triangular shape arrangement.
CN201610321013.8A 2016-05-16 2016-05-16 Cleaning solution clean method for petroleum pipeline Expired - Fee Related CN105772455B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610321013.8A CN105772455B (en) 2016-05-16 2016-05-16 Cleaning solution clean method for petroleum pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610321013.8A CN105772455B (en) 2016-05-16 2016-05-16 Cleaning solution clean method for petroleum pipeline

Publications (2)

Publication Number Publication Date
CN105772455A true CN105772455A (en) 2016-07-20
CN105772455B CN105772455B (en) 2019-02-26

Family

ID=56378843

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610321013.8A Expired - Fee Related CN105772455B (en) 2016-05-16 2016-05-16 Cleaning solution clean method for petroleum pipeline

Country Status (1)

Country Link
CN (1) CN105772455B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113714165A (en) * 2021-11-01 2021-11-30 东营浩辰石油技术开发有限公司 Steel wire rope cleaning equipment for oil extraction pumping unit

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2052233A (en) * 1978-05-12 1981-01-28 Currah I Dispensing apparatus and method
CN2169495Y (en) * 1993-07-08 1994-06-22 广东省英德县英龙水泥厂 Horizontal pipeline ash removal device
CN101564727A (en) * 2009-06-01 2009-10-28 孟祥德 Dirt rain pipe dredging tube-pulling apparatus
CN203955661U (en) * 2014-07-17 2014-11-26 咸阳职业技术学院 For cleaning the oil stain washing brush of petroleum container
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2052233A (en) * 1978-05-12 1981-01-28 Currah I Dispensing apparatus and method
CN2169495Y (en) * 1993-07-08 1994-06-22 广东省英德县英龙水泥厂 Horizontal pipeline ash removal device
CN101564727A (en) * 2009-06-01 2009-10-28 孟祥德 Dirt rain pipe dredging tube-pulling apparatus
CN203955661U (en) * 2014-07-17 2014-11-26 咸阳职业技术学院 For cleaning the oil stain washing brush of petroleum container
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113714165A (en) * 2021-11-01 2021-11-30 东营浩辰石油技术开发有限公司 Steel wire rope cleaning equipment for oil extraction pumping unit

Also Published As

Publication number Publication date
CN105772455B (en) 2019-02-26

Similar Documents

Publication Publication Date Title
CN205732176U (en) Flexible pipeline cleans device
CN205032446U (en) Petroleum pipeline cleaning device
CN204620592U (en) A kind of clinical laboratory test tube automatic flushing device
CN109188626B (en) Optical cable manufacturing method
CN210676240U (en) Cleaning device for natural gas conveying pipeline
CN210847517U (en) High-efficient pipeline cleaning head
CN209636517U (en) A kind of roller washing machine cylindric washer feeding/discharging device free of cleaning
CN105772455A (en) Cleanout fluid cleaning method for petroleum pipeline
CN105964634A (en) Petroleum pipeline cleaning device easy and convenient to operate
CN105945015A (en) Manual operating table for petroleum inner pipeline cleaning device
CN105798025A (en) Energy-saving manual cleaning equipment for inner petroleum pipelines
CN203362120U (en) Horizontal well segmented even negative pressure acid pickling tubular column
CN203370785U (en) Rotary cleaning device of oil conveying pipeline
CN205909735U (en) Heat exchange tube inner wall cleaning device
CN209990481U (en) Petroleum screen pipe convenient to clean
CN105888611A (en) Petroleum pipeline cleaning device based on cleaning fluid ejecting chamber
CN105772456A (en) Simple and convenient cleaning method for petroleum pipeline
CN106001017B (en) Petroleum interior conduit dirt automatic processing equipment
CN105964635A (en) Automatic operation system for cleaning inner petroleum pipeline
CN105804694A (en) Method for treating dirt in petroleum pipeline
CN106001018B (en) Full-automatic petroleum pipe scale cleaning technology
CN110468949A (en) A kind of effluent sewerage pipe facilitating maintenance
CN201644546U (en) Wire rod cleaning device
CN211027386U (en) A scrape wax belt cleaning device for oil production pipe
CN208466757U (en) A kind of Low Damage reducing petroleum pipeline cleaner

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
CB02 Change of applicant information
CB02 Change of applicant information

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.

SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20190227

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.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230426

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.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190226