LU101488B1 - Management System for Integrity of Petroleum Drill and Exploitation Equipment - Google Patents
Management System for Integrity of Petroleum Drill and Exploitation Equipment Download PDFInfo
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- LU101488B1 LU101488B1 LU101488A LU101488A LU101488B1 LU 101488 B1 LU101488 B1 LU 101488B1 LU 101488 A LU101488 A LU 101488A LU 101488 A LU101488 A LU 101488A LU 101488 B1 LU101488 B1 LU 101488B1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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Abstract
The invention discloses a management system for integrity of petroleum drill and exploitation equipment, comprising a set of field equipment and a back-end server. The field equipment comprises multiple equipment operation monitoring devices and multiple clients that are connected on an external network. The equipment operation monitoring devices are used to collect the operation monitoring statuses of petroleum drill and exploitation equipment on a drill and exploitation platform, while the clients are used by users to create data of corresponding petroleum drill and exploitation equipment, upload historical data, and select and check the monitoring results of integrity of corresponding petroleum drill and exploitation equipment. In the invention, the monitoring system for integrity of petroleum drill and exploitation equipment is divided into field equipment and back-end server, wherein the field equipment is connected on an external networks while the back-end server is connected on an internal network. Firewall equipment is arranged at the inlet of the back-end server, so that the integrity of the system can be greatly improved.
Description
Management System for Integrity of Petroleum Drill and Exploitation Equipment
Technical Field The invention discloses a management system for integrity of petroleum drill | and exploitation equipment. | Background | Failure Mode Effects and Criticality Analysis, referred to as FMECA.
FMECA | refers to a systematic activity to analyze all sub-systems, parts and procedures used to produce the product one by one during the product design stage and process design ; stage, to find out all potential failure modes and analyze all potential consequences, ; so that necessary measures can be taken in advance to improve the product quality ; and reliability. ! Currently, the equipment management mode of oil refinery is of a conventional : equipment management based on operating experiences, and focuses on the A perfectness ratio of each set of equipment, with a lower efficiency and a great waste ; as costs and resources will be averagely distributed to the management for each set of | equipment.
Different equipment management modes are adopted by different ; enterprises, and there is no unified systematic method for oil refinery, so the Ë equipment management system is still to be improved. | There are many kinds and a large number of petroleum-related equipment and Ëfacilities | LU10T488 © dozens of or ¢ "Mone dri] and Yen hundreds of ki “Xploitatiyy, 1 équipm kinds of eau Platform, 4, ent and facilitje “Quipmen; and facitis: > “2e may alth S May have difre cilities, Different ki Ough all of 4, em Tent degrees of ; inds of | Can be referred !Mportance 0 | and facitir: to as the . n Product; | Acilities on drill equipment and £ ion, | â . acilitj | nd EXploitatio es.
The Squi © refinement aut N Platform have a 1 Pment ; » auto i . relati . . Mation and integration, so tio atively high degree of C . 2 £ir stru omplex and it is gettin cures are getting mo | ; 0 repair the | fhe repair technology and Management ‘Tr Moreover, our, ently ent system are . | alread : backward in Ching, China |, | Y experienced the development st as | ‘ ages . | 8 of post Mamtenance, regular | | maintenance and state maintenanc . f e fo . Lo | T equipment on drill and exploitation platform and introduced advanced equipment and assets management systems from MAXIMO Ë , and SAP in foreign countries, having achieved certain effects in such aspects as | | reducing equipment failures, controlling accident risks and lowering maintenance | costs.
However, there is still a lack of systematic and targeted technology and system / : for guidance in decision making on repair of equipment and facilities, optimization of / repair, risk assessment and risk control and management in China. / Summary ; | The invention discloses a management system for integrity of petroleum drill ; and exploitation equipment to overcome the shortcomings of existing technology. | / 0 The object of the invention is realized by means of the following technical . solution: ;
: LUT04488 The Invention a: x and N disclos es à <= “*ploitation equi Management Syst !PMent ; Em for ; : Th 1eld equi Petroleyn € field equipm Pment ang back M dril] de Mprises : er; | Vices and Mule: Multiple ean [ ultiple clien ts th QUipment OPera; | . 0 . , equipment operat at are Connecte on n Monitoring . PR Monitoring dev: M external nety & devices are used € ork.
The | Statuses of petro] . 0 Collect the Operatio . l : Cum drill and exploitation n Monitoring | e | Platform hi Qquipment on a drill and 0, | , While the clients are used exploitation | used by users to creat | | ate data of corresponding | petroleum drill and exploitatio i | ' N equipment, yp] istori | | ok à pload historical data, and select and | Check the monitoring results of inteori egrity of corresponding Petroleum drill and | exploitation equipment. | The back-end server comprises a Web server, a firewall device, a central | database server, a basic equipment database server, an importance assessment server, ; | a maintenance program and plan preparation server, a failure risk server, an integrity / . assessment server and an efficiency assessment server, wherein the Web server is | 5 connected with local equipment on an external network and also connected with i . central database server through the firewall device; the central database server, basic ] | equipment database server, importance assessment server, maintenance program and | ; plan preparation server, failure risk server, integrity assessment server and efficiency | assessment server are interconnected on an internal network. | 0 Further, the equipment operation monitoring device comprises a data acquisition : device, a signal conditioner and an industrial personal computer, wherein each set of | petroleum drill and exploitation equipment is provided with a set of data acquisition | |
| 4 LU101488 | device; each set of data acquisition device 1s connected with the industrial personal | computer through corresponding signal conditioner, and the industrial personal | computer is connected to the external network through the network card inside; | The data acquisition device comprises a monitoring device for key parameters of equipment and/or an equipment environment monitoring sensor device, including one or more of equipment temperature monitor, strain monitor, cracking monitor, ) settlement monitor, pressure monitor, current/voltage monitor, flow monitor and image monitor.
| Further, the client includes a PC terminal and a mobile terminal. | 10 Further, the basic equipment database server is used to store the information of all equipment used in the petroleum drill and service well system adopted by each oil / field company, including equipment number, equipment name, equipment location ; and equipment manufacturer, together with design drawings, manufacture documents, installation records, maintenance and care records, accident records, legal inspection reports and assessment reports. | Further, the importance assessment server is used to analyze the importance of | equipment, sub-systems, assemblies, parts and components, wherein the methods of | analysis for importance include: SA1, used for setting a judgment matrix; SA2, used ) for assessing the indicator weight calculation module; SA3, used for calculating the | 20 importance with Monte Carlo method together with the definitions of indicators. | Further, the maintenance program and plan preparation server are used to
LutoTaeg Analyze the ©; a he failure Mode of the equi ; Ipme, . data In the bag; . nt and Influence b | © equ Y the f ObJe . Tr: t . Jects ofr Épair Work the € Maintenang © Program, ; > type of Work ' IN INcludes th | the b . 3 the time j t € / is for Preparatio : terval and the leve] f ; [ "or Maintenance Program ; Topas ang ) repair System InNcludes | and Method, time i n terva] and type of Work, existing Operating Condition, Further the fa; . | s the . / failure risk Server is used to assess the failure 1 : order relations in A; . € risk values and risk | NS In different £ 1 | allure modes of the equipment, sub syst | * 70 SYstems, assemblies, | arts an ; | p d Components, with assessment data based on the equipment importance assessment r ; ; ; | esults and FMECA analysis of the équipment; the failure risks include | the consequences of corresponding risks and probabilities of occurrence of the risks | in the industry; the consequences include hidden consequences, security | . consequences, task consequences and economic consequences. | | Further, the integrity assessment server is used to screen high-risk objects for | assessment and predict of operating conditions on the basis of the importance ‘ | s assessment and failure risk analysis, to determine the current health status and ability | to function healthily in the future of the equipment, wherein the predict and ) ; . ish a ] sessment for integrity comprise the following sub-steps: SBI, establis a { as ; . sr i bjection . haracteristic quantity space for operating conditions; SB2, establish a subj ; | © . . donti atin . function for relative impairment grade; SB3, identify and assess the operating LL ne . : Hi ipment or . dition of the equipment; SB4, predict the operating condition of the equip ; 0 condi > FE estimate the residual service life. | ce of the Further, the efficiency assessment server is used to assess the performan | | Mr
| LU101488 management for equipment integrity, to provide feedback information foroptimization to the back-end server.
The contents of efficiency assessment include | degree of completion of integrity management objectives, degree of completion of | maintenance plan, percentage of improvement in equipment efficiency, input-output |ratio of equipment and efficiency of management for integrity. | Further, the firewall device is used to provide a barrier between external network. |and internal network and supports the TCP/IP seven-layer protocol. |
The invention has the following advantages: | In the invention, the monitoring system for integrity of petroleum drill and } exploitation equipment is divided into field equipment and back-end server, wherein 3 the field equipment is connected on an external network, while the back-end server is | | connected on an internal network.
Firewall equipment is arranged at the inlet of the | back-end server (Web server in the back-end server is connected with local . equipment on an external network, and also connected with the central database | server through firewall device; the central database server, basic equipment database | server, importance assessment server, maintenance program and plan preparation | server, failure risk server, integrity assessment server and efficiency assessment | | server are interconnected on an internal network), so that the integrity of the system |can be greatly improved. |
Brief Description of the Drawings | Fig. 1 is the structural block diagram of the invention. |
‘ 1 ; LU101488 | The following description provides a clear and complete description for the technical schemes in the invention along with the drawings. Obviously, the | embodiments are only some of rather than all of the embodiments of the invention. All other embodiments obtained by persons of ordinary skill in the art based on the | embodiments of the invention without creative efforts fall within the protection scope | of the invention.
It needs to be noted in description of the invention that the directions or position | relationships such as "central", "upper", "lower", "left", "right", "vertical", "horizontal", "inside" and "outside" are based on those on drawings, and are used ; only for facilitating the description of the invention and for simplified description, not for indicating or implying that the target devices or components must have a special | direction and be structured and operated at the special direction, thereby they cannot / be understood as the restrictions to the invention. Moreover, the words "first" and | 15 "second" are used only for description, and cannot be understood as indication or implying of relative importance.
It needs to be noted in the description of the invention that unless otherwise specified or restricted, the words of "installation", "interconnection" and "connection" | shall be understood as a general sense. For example, the connection can be fixed ; 20 connection, removable connection, integrated connection, mechanical connection, | electrical connection, direct connection, indirect connection through intermediate | media or connection between two components. Persons of ordinary skill in the art of
| LU101488 the invention can understand the specific meanings of the terms above in the invention as the case may be.
: Moreover, the technical characteristics involved in different embodiments of the | invention as described below can be combined together provided there is no | 5 discrepancy among them.
} As shown in Fig. 1, a management system for integrity of petroleum drill and exploitation equipment comprises field equipment and back-end server; The field equipment comprises multiple equipment operation monitoring . devices and multiple clients that are connected on an external network. The : 10 equipment operation monitoring devices are used to collect the operation monitoring | statuses of petroleum drill and exploitation equipment on a drill and exploitation | platform, while the clients are used by users to create data of corresponding | petroleum drill and exploitation equipment, upload historical data, and select and check the monitoring results of integrity of corresponding petroleum drill and : 15 exploitation equipment.
| The back-end server comprises a Web server, a firewall device, a central : database server, a basic equipment database server, an importance assessment server, a maintenance program and plan preparation server, a failure risk server, an integrity ; assessment server and an efficiency assessment server, wherein the Web server is ; 20 connected with local equipment on an external network and also connected with ) central database server through the firewall device; the central database server, basic
/ equ; 9 TR / ui LU101488 | Pent databas Ne . € Serve . ; Plan pre > Importan Paration serv ce aSSessme as Cr, failure ; nt Server, mai Sessme Tsk se . dlntep nt Server a+, . Ver, inteo: ance pro are Mierconn ENty assess Sram and Th “ed on an int ent servez and € data Processing | Crag] Network efficiency in . back-cng Sery ablish or updat Ses the follow, / © th 1 8 Steps: | and : C basic . Eps: / “vice ÉQui “quipment q | Dinent: alabase Server |. of Petroleum dil] S2. With im Portance assessme the basic coyj CE Server, assess the ; | € Server ang ident; y the ; QUIpment in | € Imp Ortan te ui | quipment; l With maintenance Program and plan preparati |] On server, pre | Maintenance program, including patrol ins ectio | Prepare à [| pection, repair & Maintenance, minor | repair, medium repair and overhaul plans on the basis of the equipment importance; | | S4. With failure risk server, analyze the failure modes, failure reasons, | influences by failure and hazards of important equipment, and assess the failure risk; / | ; S5. With integrity assessment server, assess the integrity of equipment together / ; 5 with the assessment of equipment importance and failure risk; | ; S6. Optimize the maintenance program and specific maintenance plan on the ; = basis of the integrity of the equipment; | S7. With efficiency assessment server, assess the efficiency in management of : | equipment integrity, and provide feedback information for optimization to update the | 0 database in SI. .
) | LU101488 Preferably, in a demonstrating embodiment, the equipment operation monitoring | device comprises a data acquisition device, a signal conditioner and an industrial | personal computer, wherein each set of petroleum drill and exploitation equipment is ; provided with a set of data acquisition device; each set of data acquisition device is | 5 connected with the industrial personal computer through corresponding signal | conditioner, and the industrial personal computer is connected to the external network | through the network card inside; | The data acquisition device comprises a monitoring device for key parameters of : equipment and/or an equipment environment monitoring sensor device, including one or more of equipment temperature monitor, strain monitor, cracking monitor, | settlement monitor, pressure monitor, current/voltage monitor, flow monitor and : image monitor.
Preferably, in a demonstrating embodiment, the client includes a PC terminal | and a mobile terminal.
| 15 Preferably, in a demonstrating embodiment, the basic equipment database server | is used to store the information of all equipment used in the petroleum drill and service well system adopted by each oil field company, including equipment number, / equipment name, equipment location and equipment manufacturer, together with | design drawings, manufacture documents, installation records, maintenance and care | 20 records, accident records, legal inspection reports and assessment reports.
| Interface of the basic equipment database server can be viewed through the EEE EEE EEE ee
; LU101488 ı client. The "list of equipment" and "list of items" are included on the main interface. The module of "list of equipment" is used to display the information of list of all | equipment in the current system. User with permission of administrator can carry out | the administrative operations including "add the equipment", "clone the equipment", | 5 "set the structure tree", "basic information", "delete" etc. The list of structure ) information of the current equipment is provided in the item of "set the structure tree". | "Create sub-equipment", "function description", "modify" and "delete" can also be | realized. The "basic information" refers to the basic editing function for information | of the equipment. "Delete" refers to the function of permanently deleting equipment : 10 information from the system database, including the attached files. The module of | "list of items" is used to display the information of list of items in the current system. ! User can only check the information corresponding to his/her permission, and can | click the link of item name to turn to the page of "item assessment management". On | the page of "list of items", the functions of modifying the basic information of the | 15 items and deleting the items are also provided only for the user with permission of ; administrator. The function of fuzzy query for the item is also provided on the page of "list of items".
| Preferably, in a demonstrating embodiment, the importance assessment server is ; used to analyze the importance of equipment, sub-systems, assemblies, parts and components, wherein the methods of analysis for importance include: SA1, used for | setting a judgment matrix; SA2, used for assessing the indicator weight calculation | module; SA3, used for calculating the importance with Monte Carlo method together
; with the definitions of indicators. The item of "set judgment matrix" is used to | provide an interface for definition of importance matrix for item assessment, wherein | the leading diagonals have all been defaulted as 1 for user to conveniently refer to the ; judgment matrix, and the inputs from two ends in symmetry with the leading : 5 diagonals are reciprocal inputs, so that user is only required to input one of the items as needed. Calculation of judgment matrix can be started after setting of the judgment matrix is done. Click "calculation of assessment indicator weight" and then the : system will calculate as per the basic settings and the definition of the judgment : matrix input by user, to obtain the importance of each assessment indicator in the / 10 item. After the calculation for user is done, software will automatically save the | calculation results in a back-end database, so that user can conveniently check the importance of each assessment indicator next time instead of running the calculation again. User can click "calculation results of assessment indicator weight" to check the | calculation results of importance matrix for each assessment indicator.
: 15 Preferably, in a demonstrating embodiment, the maintenance program and plan | preparation server are used to analyze the failure mode of the equipment and | influence by the failure based on the data in the basic equipment database server; the . maintenance program includes the objects of repair work, the type of work, the time | interval and the level of repair, and the basis for preparation of maintenance program ; 20 includes type of work, existing repair system and method, time interval and operating | condition.
The type of work of product can be determined on the basis of RCM analysis,
and mathematical model can be introduced to optimize the time interval. Moreover, the maintenance program can be prepared after a comprehensive analysis with reference to the existing maintenance system and method for equipment and facilities.
À scientific maintenance program will be good for reasonably allocating the maintenance resources, reducing the maintenance costs in the service life of the equipment and implementing the maintenance measures in time, so as to ensure | continuous safe and economic operation of equipment and facilities. The maintenance | plan management module also includes the function of optimization of the | maintenance strategy. Monitoring and maintenance are direct means to ensure | continuous safe operation of equipment and facilities in their service lives. Such | preparation work based on the RCM maintenance strategy is primarily to determine | corresponding maintenance and repair methods and timing for maintenance and ; repair on the basis of different failure modes and influences by failure (hidden failure, ; influence on security, task and economy). However, the maintenance strategy and | program for equipment and facilities are not constant ones, and can be continuously : adjusted for change in high-risk failure mode and difference in integrity assessment ] results of equipment and facilities so as to ensure reliable and economic operation in | guarantee period, that is, the maintenance strategy or program will be optimized j dynamically. | Preferably, in a demonstrating embodiment, the failure risk server is used to | assess the failure risk values and risk order relations in different failure modes of the | equipment, sub-systems, assemblies, parts and components, with assessment data j :
LU10148 based on the equipment importance assessment results and FMECA analysis of the | equipment; the failure risks include the consequences of corresponding risks and À probabilities of occurrence of the risks in the industry; the consequences include | hidden consequences, security consequences, task consequences and economic | consequences. | Preferably, in a demonstrating embodiment, the integrity assessment server is | used to screen high-risk objects for assessment and predict of operating conditions on ; ; the basis of the importance assessment and failure risk analysis, to determine the . © current health status and ability to function healthily in the future of the equipment, 2 wherein the predict and assessment for integrity comprise the following sub-steps: . p p 8 p | SB1, establish a characteristic quantity space for operating conditions; SB2, establish ; a subjection function for relative impairment grade; SB3, identify and assess the ; . operating condition of the equipment; SB4, predict the operating condition of the equipment or estimate the residual service life. / : ; i sessment server is | Preferably, in a demonstrating embodiment, the efficiency as |. uipment integrity, to provide | used to assess the performance of the management for equip | ts of . :mizati ck-end server.
The conten | feedback information for optimization to the ba | ; i ity management | t include degree of completion of integrity g efficiency a5S0SSMTE" f ment in A . improve : £ completion of maintenance plan, percentage 0% 1MP / objectives, degree 0 comp ; ; «ment and efficiency of management Ë i input-output ratio of equipm | equipment efficiency, INp for integrity. ; | ice is used to | . iment, the firewall device 1s ; Preferably, in @ demonstrating embodiment |provide a barrier between external network and internal network and supports the TCP/IP seven-layer protocol.
Obviously, the embodiments above are only examples for clear descriptions, not |the restrictions to mode of embodiments.
Persons of ordinary skill in the art can also | make other changes in different forms on the basis of the descriptions above.
It is not |necessary neither possible to exhaustively list each embodiment.
The obvious change |arising from the embodiments above is still in the range of protection by the |invention. ;
ee
Claims (10)
1. A management system for integrity of petroleum drill and exploitation equipment, characterized by comprising field equipment and a back-end server; the field equipment comprises multiple equipment operation monitoring devices and multiple clients that are connected on an external network, wherein the equipment operation monitoring devices are used to collect the operation monitoring statuses of petroleum drill and exploitation equipment on a drill and exploitation platform, and the clients are used to create data of corresponding petroleum drill and exploitation equipment, upload historical data, and select and check the monitoring results of integrity of corresponding petroleum drill and exploitation equipment; the back-end server comprises a Web server, a firewall device, a central database server, a basic equipment database server, an importance assessment server, a maintenance program and plan preparation server, a failure risk server, an integrity assessment server and an efficiency assessment server, wherein the Web server is connected with local equipment on an external network and also connected with the central database server through the firewall device, and the central database server, the basic equipment database server, the importance assessment server, the maintenance program and plan preparation server, the failure risk server, the integrity assessment server and the efficiency assessment server are interconnected on an internal network.
2. The management system for integrity of oil drilling and production equipment according to claim 1, characterized in that the equipment operation monitoring device comprises a data acquisition device, a signal conditioner and an industrial personalcomputer, wherein each set of petroleum drill and exploitation equipment is provided’ 1488 with a set of data acquisition device, which is connected with the industrial personal computer through corresponding signal conditioner, and said industrial personal computer is connected through a network card therein to the external network; the data acquisition device comprises a monitoring device for key parameters of equipment and/or an equipment environment monitoring sensor device, including one or more of an equipment temperature monitor, a strain monitor, a cracking monitor, a settlement monitor, a pressure monitor, a current/voltage monitor, a flow monitor and an image monitor.
3. The management system for integrity of oil drilling and production equipment according to claim 1, characterized in that the client comprises a PC terminal and a mobile terminal.
4. The management system for integrity of oil drilling and production equipment according to claim 1, characterized in that the basic equipment database server is used to store the information of all equipment of the petroleum drill and service well system adopted by each oil field company, including equipment number, equipment name, equipment location and equipment manufacturer, together with design drawings, manufacture documents, installation records, maintenance records, accident records, legal inspection records and assessment reports.
5. The management system for integrity of oil drilling and production equipment according to claim 4, characterized in that the importance assessment server is used to analyze the importance of the equipment, sub-systems, assemblies, parts and components, wherein the methods of importance analysis include SA1 for setting ajudgment matrix, SA2 for assessing the indicator weight calculation module and IA301488 for calculating the importance with Monte Carlo method together with the definitions of indicators.
6. The management system for integrity of oil drilling and production equipment according to claim 5, characterized in that the maintenance program and plan preparation server is used to analyze the failure mode of the equipment and the influence of the failure based on the data in the basic equipment database server, wherein the maintenance program includes the objects of repair work, the type of work, the time interval and the level of repair and is based on the type of work, the existing repair system and method, the time interval and the operating condition.
7. The management system for integrity of oil drilling and production equipment according to claim 6, characterized in that the failure risk server is used to assess the failure risk values and the risk order relations in different failure modes of the equipment, sub-systems, assemblies, parts and components, with assessment data based on the importance assessment results and FMECA analysis of the equipment, wherein the failure risks include the consequences of corresponding risks and probabilities of occurrence of the risks in the industry, and said consequences include hidden consequences, security consequences, task consequences and economic consequences.
8. The management system for integrity of oil drilling and production equipment according to claim 7, characterized in that the integrity assessment server is used to assess and predict operating conditions of high-risk objects screened on the basis of the importance assessment and the failure risk analysis, so as to determine the currenthealth status and the ability to function healthily in the future of the equipméllt°1488 wherein the assessment and prediction for integrity comprise the following sub-steps: SBI, establish a characteristic quantity space for operating conditions; SB2, establish a subjection function for relative impairment grade; SB3, identify and assess the operating condition of the equipment; SB4, predict the operating condition of or estimate the residual service life of the equipment.
9. The management system for integrity of oil drilling and production equipment according to claim 8, characterized in that the efficiency assessment server is used to assess the performance of the management for equipment integrity, namely, to provide feedback information for optimization to the back-end server, wherein the efficiency assessment includes such contents as degree of completion of integrity management objectives, degree of completion of the maintenance plan, percentage of improvement in equipment efficiency, input-output ratio of the equipment and efficiency of management for integrity.
10. The management system for integrity of oil drilling and production equipment according to claim 1, characterized in that the firewall device is used to generate a barrier between the external and the internal networks and supports TCP/IP seven-layer protocols.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911054169 | 2019-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU101488B1 true LU101488B1 (en) | 2020-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU101488A LU101488B1 (en) | 2019-10-31 | 2019-11-22 | Management System for Integrity of Petroleum Drill and Exploitation Equipment |
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| Country | Link |
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| LU (1) | LU101488B1 (en) |
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2019
- 2019-11-22 LU LU101488A patent/LU101488B1/en active IP Right Grant
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Effective date: 20200323 |