CN103362499A - Underground and ground information transmission data switching system and method - Google Patents
Underground and ground information transmission data switching system and method Download PDFInfo
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- CN103362499A CN103362499A CN201310268996XA CN201310268996A CN103362499A CN 103362499 A CN103362499 A CN 103362499A CN 201310268996X A CN201310268996X A CN 201310268996XA CN 201310268996 A CN201310268996 A CN 201310268996A CN 103362499 A CN103362499 A CN 103362499A
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Abstract
The invention discloses an underground and ground information transmission data switching system, which relates to the technical field of petroleum drilling, and includes an underground measuring nipple used for measuring and conditioning underground data information, receiving reading commands and performing corresponding operation, a data switching nipple used for format conversion of underground data information, converting the command format into the information format receivable to the underground measuring nipple, a cable-contained drill stem used for forming an underground transmission channel and transmitting the underground data information to a ground system server and sending the command to the underground measuring nipple through the data switching nipple, and the ground system server used for receiving the underground data information, then analyzing data results, formulating a real-time updated drilling decision scheme and feeding the corresponding command back. The invention further discloses an underground and ground information transmission data switching method. According to the invention, various different underground measuring nipples can be switched, and the high-speed bi-directional transmission of the underground system and the ground system can be realized.
Description
Technical field
The present invention relates to the petroleum drilling technology field, particularly a kind of down-hole and terrestrial information the transmission of data adapting system and method.
Background technology
Development along with well logging during and guiding technique, the well logging during method is enriched constantly, diversified logging while drilling technology provides abundant down-hole information for the drilling well staff carries out Real-time Decision, just analyze to judge geology and project situation at drilling strata, thereby control best well track, realize expection drilling well purpose.Yet, along with the log data amount increases sharply, the modes such as traditional transmission means such as mud-pulse transmission, electromagnetic transmission, its maximum transmission rate can not satisfy the requirement of Large Volume Data real-time Transmission far away less than tens bits.
There is the development of cable Drill Pipe Technology to solve down-hole information with wired mode high-speed transmission channel problem, but different underground survey systemic-functions are all not identical, and the form of the communication protocol that each apparatus manufacturer, the employed measurement pipe nipple of client adopt, hardware interface configuration, measurement parameter etc. are all not identical.How that the downhole data information of different-format is unified mutually, and be converted to the bi-directional data information that can transmit in the cable drilling rod high speed transmission system, and the connection that realizes the different hardware interface, be the previous problem demanding prompt solution of order.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of down-hole and terrestrial information the transmission of data adapting system and method, be used for realizing down-hole multiple measuring system information access high speed transmission system, down-hole information is transferred to ground system.
The invention provides a kind of down-hole and terrestrial information the transmission of data adapting system, comprising:
The underground survey pipe nipple is used for measurement and the conditioning of data message under the completed well; And receive the instruction of distinguishing the ground system server feedback, make operation according to instruction; Data switchings pipe nipple is used for realizing the format conversion of the downhole data information after described measurement and the conditioning; And according to the underground survey pipe nipple type that connects, the instruction format of ground system server feedback is converted to the information that described underground survey pipe nipple can receive, be transferred to the underground survey pipe nipple;
The cable drill string is arranged, be used for to consist of the downhole transmitted channel, with the downhole data communication after the conversion in the ground system server; And the instruction of ground system server feedback is issued in the underground survey pipe nipple by data switching pipe nipple;
The ground system server, receive described downhole data information after, data result by analysis draws the decision scheme that creeps into of real-time update, feeds back corresponding instruction.
The present invention also provides a kind of down-hole and terrestrial information the transmission of data forwarding method, comprising:
Measure and conditioning downhole data information, and to measure and conditioning after downhole data information carry out format conversion, by the downhole transmitted channel, with the downhole data communication after the conversion to the ground system server;
After the ground system server received described downhole data information, data result by analysis drew the decision scheme that creeps into of real-time update, feeds back corresponding instruction;
According to underground survey pipe nipple type, be the information that the underground survey pipe nipple can receive with the format conversion of described instruction, be transferred to the underground survey pipe nipple;
Described underground survey pipe nipple receives the instruction of recognition ground system server feedback, makes operation according to instruction.
The invention solves different on different underground survey system hardwares and the software, compatible multiple device for subsurface measuring has access to cable drill string high-speed bidirectional data transmission network.Under routine is crept into working condition, adopt down-hole information data switching technique, realize the real time bidirectional transmission of underground survey or navigation information and ground system, whole system data transfer speed and real-time have been improved, it is low to have overcome conventional wireless metering system transfer rate, and it is not enough to be subjected to that well depth and operating mode affect etc.
Description of drawings
The down-hole that Fig. 1 provides for present embodiment and the structure chart of terrestrial information the transmission of data adapting system;
Fig. 2 is the structure chart of data switching pipe nipple in the present embodiment;
Fig. 3 is based on the down-hole of system shown in Figure 1 and terrestrial information the transmission of data forwarding method flow chart.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
The structure of the down-hole that present embodiment provides and terrestrial information the transmission of data adapting system mainly comprises following components as shown in Figure 1: underground survey pipe nipple 11, data switching pipe nipple 12 and cable drill string 13 is arranged.Hardware using general connector or wireless transmission method connect between three parts, and software adopts private communication protocol, and the modes such as bus protocol, Ethernet protocol that include but not limited to connect.Data message is measured and conditioning functions under the underground survey pipe nipple 11 main completed wells; The data switching pipe nipple 12 main format conversion that realize multiple different measuring data message, comprise hardware voltage, Digital Logic conversion and software protocol conversion etc., unified being converted to can be used for the information format that has the cable DRILL-STRING SYSTEM to transmit, and then has been connected in the cable transmission system; Cable drill string 13 is arranged as main communication path, will transmit through the measurement after the conditioning and control data message.
The concrete technical scheme of each several part is as follows:
Underground survey pipe nipple 11 is used for measurement and the conditioning of data message under the completed well, comprises the functions such as collection, calculating, coded modulation of down-hole many kinds of parameters information.Underground survey pipe nipple 11 comprises multiple measurement pipe nipple, such as measurement while drilling, geosteering and rotary steering etc., and its inner multiple sensors and hardware CPU of placing.Coded modulation herein is front end sensors or the preliminary information processing of other measurement mechanisms, is used for realizing the functions such as information gathering and storage, comprises collection and the processing of some analog quantitys, is not the information conditioning of access network.After the parameter information that this measurement pipe nipple records is nursed one's health through pipe nipple 11 innernal CPUs, can obtain some digitized data messages, but because underground survey pipe nipple 11 can use multiple measurement pipe nipple, such as measurement while drilling, geosteering and rotary steering etc., its inner multiple sensors and hardware CPU of placing, data message after its conditioning can not directly be sent to and continue transmission in the cable drill string, therefore needs usage data switching pipe nipple to change.Underground survey pipe nipple 11 can be measured multiple down-hole information, comprises the geologic parameters such as the engineering parameters such as downhole temperature, pressure, hole deviation and resistivity, gamma, degree of porosity.
Data switchings pipe nipple 12, be used for realizing measuring and conditioning after the format conversion of multiple different downhole data information, unifiedly be converted to the information format that the cable drill string can transmit.
The structural representation of data switching pipe nipple 12 comprises as shown in Figure 2:
Soft coral interface module 121, downhole data information after being used for measuring and nursing one's health is finished the unification of hardware and software, the different measuring pipe nipple that different vendor is made is finished and being connected of notebook data switching pipe nipple hardware interface, realize hardware connect after transmitting data information again, and then it is inner to continue to have transferred to the cable drill string.Transmission can be adopted wired or wireless dual mode.The hardware unification refers to the measurement pipe nipple that different manufacturers has various difference in functionalitys, and its Interface design is also different, can use but is not limited to CAN EBI or USB interface etc., and therefore, the hardware that needs design to transfer connects, and realizes physical connection mechanically.Also need to have software unified after the physical connection, realize that the program among the CPU is consistent with procedural agreement, the data format of measuring pipe nipple, can realize transfer of data.Wired and the wireless dual mode of the unified employing of hardware, wired mode uses general connector to carry out the hardware connection, include but not limited to USB, CAN EBI, USB interface, Ethernet interface etc., wireless mode can use the wireless connector transmission, behind the access signal with different type level, be converted to the discernible data-signal of underground survey pipe nipple.Software is unified realizes that data communication protocol is changed automatically, data format is unified etc., for transfer of data with prepare alternately.
Data switching CPU122 is used for the data of carrying out after unification is processed through module 121 are carried out signal processing and coding computing, mainly comprises the functions such as data extraction, filtering, judgement.After extracting real data, make corresponding judgement by CPU for data type, if data are correct, then process through coding and amplification again, continue to be transferred in the network of cable drill string formation; If wrong, then send false command, be transferred to module 121, and then be transferred to the underground survey pipe nipple after the conversion, request resends data.Data switching CPU is the core of data switching pipe nipple 12, adopt the high performance digital signal process chip, be mainly used in carrying out signal extraction, filtering, identifying processing, again through coding computing, agreement unification etc., but final realize signal hardware, software format all with have cable drill string transmitting data information consistent, be implemented in purpose two-way in the network that the cable drill string consists of, high-speed communication, finally realize the down-hole long distance transmit.The coding computing is that data arranges according to certain agreement, reconfigures, the processing such as compression becomes the form that Internet Transmission is suitable for, and then can realize automatic transmission, identification, application etc. in network.Each the transmission of data all will be through the coding calculation process, to adapt to different transmission channel requirements.Accordingly, will extract after receiving data, the computing such as identification, the concrete operation method all will be carried out according to the agreement of appointing in advance.
Ground system server 14, receive data message after, data result by analysis draws the decision scheme that creeps into of real-time update, feeds back corresponding instruction, is transferred to data switching pipe nipple 12 by cable drill string 13 is arranged, and then is transferred to underground survey pipe nipple 11.
Data switchings pipe nipple 12 is finished the reception server feedback command, and with instruction according to the underground survey pipe nipple type that connects, format transformation becomes the information that it can receive automatically, then transmits this information to the underground survey pipe nipple.After the underground survey pipe nipple receives information, understand first the information content, if can not identify then return bad command, notification server and request resend; If can correctly read and identify, then make the operation of requirement according to command adapted thereto, include but not limited to following several: reading and writing memory data, control and the direction of measurement that rectifies an instrument, change measurement parameter or transmit other data etc.
Whole system forms the information transmission network of a bidirectional high speed.
Fig. 3 is based on the down-hole of system shown in Figure 1 and terrestrial information the transmission of data forwarding method flow chart, may further comprise the steps:
The measurement of many kinds of parameters, multiple measurement data information under step 301, the underground survey pipe nipple completed well, collection and preliminary conditioning can be manufactured a product by different apparatus manufacturers and finish.
The processing such as the downhole data information after the conversion that step 303, data switching CPU will receive is extracted, identification judge whether to meet the Internet Transmission requirement, if meet, after then further coding is processed, continue to carry out next step; Otherwise request underground survey pipe nipple resends, and execution in step 302.
Downhole data communication after step 304, data switching pipe nipple will be changed is to having in the cable drill string.
Present embodiment has been realized the access demand of multiple different underground survey pipe nipples, carries out the harmonious of hardware and software, has sent into cable drill string channel through the data format after the conversion, realizes the speed two-way transmission between down-hole and the ground system; Overcome the difference of different apparatus manufacturer data-interface hardware and softwares, make transmission channel so that the cable drill string to be arranged, information capacity is large, speed is high, effectively reduces the bit error rate, improves real-time and the reliability of communication.
In a word, the above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.
Claims (5)
1. a down-hole and terrestrial information the transmission of data adapting system is characterized in that, comprising:
The underground survey pipe nipple is used for measurement and the conditioning of data message under the completed well; And receive the instruction of distinguishing the ground system server feedback, make operation according to instruction;
Data switchings pipe nipple is used for realizing the format conversion of the downhole data information after described measurement and the conditioning; And according to the underground survey pipe nipple type that connects, the instruction format of ground system server feedback is converted to the information that described underground survey pipe nipple can receive, be transferred to the underground survey pipe nipple;
The cable drill string is arranged, be used for to consist of the downhole transmitted channel, with the downhole data communication after the conversion in the ground system server; And the instruction of ground system server feedback is issued in the underground survey pipe nipple by data switching pipe nipple;
The ground system server, receive described downhole data information after, data result by analysis draws the decision scheme that creeps into of real-time update, feeds back corresponding instruction.
2. down-hole according to claim 1 and terrestrial information the transmission of data adapting system is characterized in that, described underground survey pipe nipple comprises measurement while drilling, geosteering and rotary steering.
3. down-hole according to claim 1 and 2 and terrestrial information the transmission of data adapting system is characterized in that, described data switching pipe nipple comprises:
The soft coral interface module is used for realizing the underground survey pipe nipple of different vendor and being connected of described data switching pipe nipple hardware interface, and finishes the unification of the automatic conversion of data communication protocol and data format;
Data switchings CPU is used for the data that receive are extracted identification, and to the data waiting for transmission computing of encoding.
4. down-hole according to claim 3 and terrestrial information the transmission of data adapting system is characterized in that the connection of described hardware interface specifically comprises:
Adopt general connector to carry out hardware and connect, comprise USB, CAN EBI, USB interface, Ethernet interface; And/or adopt wireless connector to connect.
5. a down-hole and terrestrial information the transmission of data forwarding method is characterized in that, comprising:
Measure and conditioning downhole data information, and to measure and conditioning after downhole data information carry out format conversion, by the downhole transmitted channel, with the downhole data communication after the conversion to the ground system server;
After the ground system server received described downhole data information, data result by analysis drew the decision scheme that creeps into of real-time update, feeds back corresponding instruction;
According to underground survey pipe nipple type, be the information that the underground survey pipe nipple can receive with the format conversion of described instruction, be transferred to the underground survey pipe nipple;
Described underground survey pipe nipple receives the instruction of recognition ground system server feedback, makes operation according to instruction.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103556988A (en) * | 2013-11-12 | 2014-02-05 | 西南石油大学 | Well deviation measuring system for gas drilling |
| CN105507889A (en) * | 2015-12-30 | 2016-04-20 | 中国石油天然气股份有限公司 | Audio communication equipment and method for collecting oil-gas well data |
| CN109594975A (en) * | 2018-11-07 | 2019-04-09 | 西南石油大学 | A kind of acquisition of downhole data and the means of delivery and device |
| CN110741548A (en) * | 2017-06-21 | 2020-01-31 | 施密徳豪泽股份公司 | Control device for controlling an electric motor, electric motor and system having a control device and an electric motor |
| CN110894787A (en) * | 2018-09-12 | 2020-03-20 | 中国石油化工股份有限公司 | Bus driving device for measuring pup joint while drilling |
| CN111502646A (en) * | 2020-04-30 | 2020-08-07 | 中国石油天然气集团有限公司 | Rotary guide instruction downloading system based on motor frequency conversion control |
| CN112214436A (en) * | 2020-09-24 | 2021-01-12 | 电子科技大学 | Analytic method and system for converting underground logging data into universal data format |
| CN115324555A (en) * | 2021-04-25 | 2022-11-11 | 中国石油天然气集团有限公司 | Multi-point high-speed telemetering transmission system and method for single-core cable |
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| CN110741548A (en) * | 2017-06-21 | 2020-01-31 | 施密徳豪泽股份公司 | Control device for controlling an electric motor, electric motor and system having a control device and an electric motor |
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| CN110894787A (en) * | 2018-09-12 | 2020-03-20 | 中国石油化工股份有限公司 | Bus driving device for measuring pup joint while drilling |
| CN109594975A (en) * | 2018-11-07 | 2019-04-09 | 西南石油大学 | A kind of acquisition of downhole data and the means of delivery and device |
| CN111502646A (en) * | 2020-04-30 | 2020-08-07 | 中国石油天然气集团有限公司 | Rotary guide instruction downloading system based on motor frequency conversion control |
| CN112214436A (en) * | 2020-09-24 | 2021-01-12 | 电子科技大学 | Analytic method and system for converting underground logging data into universal data format |
| CN115324555A (en) * | 2021-04-25 | 2022-11-11 | 中国石油天然气集团有限公司 | Multi-point high-speed telemetering transmission system and method for single-core cable |
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Application publication date: 20131023 |