CN203978425U - A kind of wireline logging HRT high-rate telemetry communication apparatus - Google Patents
A kind of wireline logging HRT high-rate telemetry communication apparatus Download PDFInfo
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- CN203978425U CN203978425U CN201420261007.4U CN201420261007U CN203978425U CN 203978425 U CN203978425 U CN 203978425U CN 201420261007 U CN201420261007 U CN 201420261007U CN 203978425 U CN203978425 U CN 203978425U
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Abstract
The utility model discloses a kind of wireline logging HRT high-rate telemetry communication apparatus, comprise ground system, downhole system and logging cable; Ground system comprises well logging main frame, embedded computer, time server, ground modulation /demodulation module and switch; Downhole system comprises remote measurement gamma-ray tool and a plurality of logging instrument, remote measurement gamma-ray tool comprises down-hole modulation /demodulation module, ethernet switching module, communication module, gamma data acquisition module and gamma-ray probe, and modulation /demodulation module in down-hole is connected with ground modulation /demodulation module by logging cable; Each logging instrument includes ethernet switching module, communication module, data acquisition module and probe; The ethernet switching module of remote measurement gamma-ray tool and the ethernet switching module of a plurality of logging instruments are connected successively.Wireline logging HRT high-rate telemetry communication apparatus of the present utility model has improved the data transmission bauds of ground system and downhole system, and simple in structure, be easy to expansion.
Description
Technical field
The utility model belongs to logging equipment technical field, specifically, relates to a kind of for carrying out the wireline logging equipment of data high-speed transmission.
Background technology
Petroleum well logging technology is to adopt the measuring methods such as acoustics, electricity, magnetics, radioactivity, application modern electronic technology, every physical parameter to stratum in wellhole is carried out continuous measurement, by the data that record are processed and explained, obtain the parameters such as lithology, degree of porosity, permeability and oil saturation on stratum.
Wireline logging equipment is comprised of ground system, logging cable and downhole system, logging cable is the data transmission medium between ground system and downhole system, ground system sends control command to downhole system according to actual needs, and downhole system uploads to ground system by log data.
Raising along with modern logging theory method and electronic technology level, various big data quantities, high-resolution imaging instrument device are researched and developed in a large number and are applied, add the combination logging of downhole instrument, the log data that need to upload and the well logging order of assigning are more and more, data transmission bauds requires more and more higher, existing wireline logging equipment cannot meet its demand, and the wireline logging equipment of therefore setting up a set of high speed is very important.
Summary of the invention
The utility model provides a kind of wireline logging HRT high-rate telemetry communication apparatus, has improved the data transmission bauds of ground system and downhole system.
In order to solve the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A wireline logging HRT high-rate telemetry communication apparatus, comprises ground system, downhole system and logging cable, described ground system comprises well logging main frame, embedded computer, time server and ground modulation /demodulation module, and described well logging main frame, embedded computer, time server and ground modulation /demodulation module are connected respectively communication with switch, described downhole system comprises remote measurement gamma-ray tool and a plurality of logging instrument, described remote measurement gamma-ray tool comprises down-hole modulation /demodulation module, ethernet switching module, communication module, gamma data acquisition module and gamma-ray probe, described gamma data acquisition module gathers the detectable signal of gamma-ray probe output, and transfer to communication module, described communication module by the transfer of data receiving to ethernet switching module, and transfer to down-hole modulation /demodulation module through ethernet switching module, described down-hole modulation /demodulation module is connected communication by described logging cable with described ground modulation /demodulation module, each logging instrument includes ethernet switching module, communication module, data acquisition module and probe, the detectable signal of described data collecting module collected probe output, and transfer to communication module, described communication module by the transfer of data receiving to ethernet switching module, the ethernet switching module of remote measurement gamma-ray tool and the ethernet switching module of a plurality of logging instruments are connected successively.
Further, described ground modulation /demodulation module and down-hole modulation /demodulation module include network controller, ARM, DSP, FPGA and AFE(analog front end); The transfer of data being received by network controller, to ARM, transfers to DSP after ARM processes, and DSP transfers to FPGA after the data that receive are processed, and after FPGA processes, transfers to AFE(analog front end); The AFE(analog front end) of described ground modulation /demodulation module is connected communication by described logging cable with the AFE(analog front end) of down-hole modulation /demodulation module.
Further again, in described ground modulation /demodulation module and down-hole modulation /demodulation module, be provided with FLASH chip, described FLASH chip is connected with FPGA with DSP respectively.
Preferably, also comprise electric power system in described ground system, described electric power system is connected communication by described switch with well logging main frame, and described electric power system is connected with downhole system by described logging cable.
Further, described logging cable is single core or multicore.
Further again, described logging cable is provided with one or more pairs of.
Compared with prior art, advantage of the present utility model and good effect are: wireline logging HRT high-rate telemetry communication apparatus of the present utility model has improved the data transmission bauds of ground system and downhole system, and simple in structure, be convenient to install and use.
Read by reference to the accompanying drawings after the detailed description of the utility model embodiment, other features of the present utility model and advantage will become clearer.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of an embodiment of the wireline logging HRT high-rate telemetry communication apparatus that proposes of the utility model;
Fig. 2 is the structured flowchart of downhole system in Fig. 1;
Fig. 3 is the structured flowchart of down-hole modulation /demodulation module in ground modulation /demodulation module and Fig. 2 in Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in more detail.
Embodiment mono-, and the wireline logging HRT high-rate telemetry communication apparatus of the present embodiment mainly consists of ground system, downhole system and logging cable etc., and shown in Figure 1, described ground system is connected communication with downhole system by logging cable.Ground system sends logging signal by logging cable to downhole system, and downhole system receives the logging signal that ground system sends, and logs well, and log data is transferred to ground system by logging cable.
Described ground system is mainly comprised of well logging main frame, embedded computer, time server, ground modulation /demodulation module etc., shown in Figure 1, described well logging main frame, embedded computer, time server and ground modulation /demodulation module are connected respectively communication with switch, form ground Ethernet.Described well logging main frame is connected communication with embedded computer by switch, described embedded computer is connected communication by switch with ground modulation /demodulation module.Time server provides time reference for whole system.Time server is connected with well logging main frame, embedded computer, ground modulation /demodulation module respectively by switch.
Described well logging main frame transmits control signal to embedded computer by switch, after described embedded computer is processed the control signal receiving, by switch, be sent to ground modulation /demodulation module, through ground modulation /demodulation module, carry out sending after modulation treatment.Modulation /demodulation module in ground carries out the log data receiving by switch, to transfer to embedded computer after demodulation process, after embedded computer is processed, by switch, transfers to well logging main frame.
Described downhole system is mainly comprised of remote measurement gamma-ray tool and a plurality of logging instrument, and remote measurement gamma-ray tool and a plurality of logging instrument connect successively, shown in Figure 1.
Described remote measurement gamma-ray tool is mainly comprised of down-hole modulation /demodulation module, ethernet switching module, communication module, gamma data acquisition module and gamma-ray probe etc., shown in Figure 2.Down-hole modulation /demodulation module, ethernet switching module, communication module, gamma data acquisition module, gamma-ray probe connect successively, and modulation /demodulation module in down-hole is connected with the ground modulation /demodulation module of ground system by logging cable.Described gamma data acquisition module is for gathering the detectable signal of gamma-ray probe output, the detectable signal of gamma-ray probe output is pulse signal, gamma data acquisition module transfers to communication module by the pulse signal collecting, described communication module transfers to ethernet switching module by the log data receiving, and transfer to down-hole modulation /demodulation module through ethernet switching module, described down-hole modulation /demodulation module is carried out the log data receiving after modulation treatment, by logging cable, is sent to ground modulation /demodulation module.
Each logging instrument includes ethernet switching module, communication module, data acquisition module and probe, the detectable signal of described data collecting module collected probe output, and transfer to communication module, described communication module by the transfer of data receiving to ethernet switching module.
The ethernet switching module of described remote measurement gamma-ray tool is connected by two pairs of twisted-pair feeders successively with the ethernet switching module of a plurality of logging instruments, forms down-hole Ethernet.In the present embodiment, it is example that the downhole system of take is provided with remote measurement gamma-ray tool, logging instrument 2, logging instrument 3, logging instrument 4, specifically tells about the annexation of remote measurement gamma-ray tool and a plurality of logging instruments.The ethernet switching module of the ethernet switching module of the ethernet switching module of the ethernet switching module of remote measurement gamma-ray tool, logging instrument 2, logging instrument 3, logging instrument 4 connects successively by two pairs of twisted-pair feeders, shown in Figure 2, the ethernet switching module of logging instrument 4 is connected with the ethernet switching module of logging instrument 3, the ethernet switching module of logging instrument 3 is connected with the ethernet switching module of logging instrument 2, and the ethernet switching module of logging instrument 2 is connected with the ethernet switching module of remote measurement gamma-ray tool.The log data of logging instrument 4 transfers to the ethernet switching module of logging instrument 3 by the ethernet switching module of logging instrument 4, through the ethernet switching module of logging instrument 3, transfer to the ethernet switching module of logging instrument 2, through the ethernet switching module of logging instrument 2, transfer to the ethernet switching module of remote measurement gamma-ray tool.In like manner, the log data of logging instrument 3 transfers to the ethernet switching module of logging instrument 2 by the ethernet switching module of logging instrument 3, transfers to the ethernet switching module of remote measurement gamma-ray tool through the ethernet switching module of logging instrument 2; The log data of logging instrument 2 transfers to the ethernet switching module of remote measurement gamma-ray tool by the ethernet switching module of logging instrument 2.The ethernet switching module of remote measurement gamma-ray tool receives the log data of logging instrument 2, logging instrument 3, logging instrument 4 transmissions, and transfer to down-hole modulation /demodulation module, described down-hole modulation /demodulation module is carried out the log data receiving after modulation treatment, is sent to the ground modulation /demodulation module of ground system by logging cable.
Described ground modulation /demodulation module transfers to logging signal by logging cable the down-hole modulation /demodulation module of remote measurement gamma-ray tool, modulation /demodulation module in down-hole is carried out the logging signal receiving after demodulation process, transfer to the ethernet switching module of remote measurement gamma-ray tool, ethernet switching module through remote measurement gamma-ray tool transfers to each logging instrument, and receives logging signal by the logging instrument matching.
Certainly, the quantity of logging instrument can be determined according to actual needs, is not limited to above-mentioned giving an example.
In the present embodiment, described ground modulation /demodulation module and down-hole modulation /demodulation module all mainly consist of network controller, ARM, DSP, FPGA and AFE(analog front end) etc., the AFE(analog front end) of described ground modulation /demodulation module is connected communication by described logging cable with the AFE(analog front end) of down-hole modulation /demodulation module, shown in Figure 3.
Modulated process is: the data that are transferred to network controller by Ethernet Ethernet, through network controller, transfer to ARM, after processing, ARM transfers to DSP, DSP transfers to FPGA after the data that receive are processed, after processing, FPGA transfers to AFE(analog front end), AFE(analog front end) the data that receive are carried out to digital-to-analogue conversion and amplify to process after output modulation signal, and through transformer coupled to logging cable, shown in Figure 3.
Demodulating process is: the data on logging cable transfer to AFE(analog front end) after the coupling of transformer is extracted, after the amplification processing of AFE(analog front end) and analog-to-digital conversion, transfer to FPGA, after processing, FPGA transfers to DSP, DSP transfers to ARM after the data that receive are processed, after processing, ARM transfers to network controller, network controller sends the data that receive by Ethernet Ethernet, shown in Figure 3.
In described ground modulation /demodulation module and down-hole modulation /demodulation module, be provided with FLASH chip, described FLASH chip is connected with FPGA with DSP respectively, stores the initialize routine of DSP and FPGA in FLASH chip.After DSP and FPGA power on, FLASH chip transfers to initialize routine respectively FPGA and DSP, and DSP and FPGA are initialized.
In described ground system, be also provided with electric power system, described electric power system is connected communication by switch with well logging main frame; And electric power system is connected with downhole system by logging cable, it is downhole system power supply.Well logging main frame sends power supplying control signal by switch to electric power system, and electric power system, according to the power supplying control signal receiving, is powered to each consumer of downhole system by logging cable.
In the present embodiment, described logging cable is single core or multicore, and described logging cable is provided with one or more pairs of.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (6)
1. a wireline logging HRT high-rate telemetry communication apparatus, is characterized in that: comprise ground system, downhole system and logging cable;
Described ground system comprises well logging main frame, embedded computer, time server and ground modulation /demodulation module, and described well logging main frame, embedded computer, time server and ground modulation /demodulation module are connected respectively communication with switch;
Described downhole system comprises remote measurement gamma-ray tool and a plurality of logging instrument, described remote measurement gamma-ray tool comprises down-hole modulation /demodulation module, ethernet switching module, communication module, gamma data acquisition module and gamma-ray probe, described gamma data acquisition module gathers the detectable signal of gamma-ray probe output, and transfer to communication module, described communication module by the transfer of data receiving to ethernet switching module, and transfer to down-hole modulation /demodulation module through ethernet switching module, described down-hole modulation /demodulation module is connected communication by described logging cable with described ground modulation /demodulation module,
Each logging instrument includes ethernet switching module, communication module, data acquisition module and probe, the detectable signal of described data collecting module collected probe output, and transfer to communication module, described communication module by the transfer of data receiving to ethernet switching module;
The ethernet switching module of remote measurement gamma-ray tool and the ethernet switching module of a plurality of logging instruments are connected successively.
2. wireline logging HRT high-rate telemetry communication apparatus according to claim 1, is characterized in that: described ground modulation /demodulation module and down-hole modulation /demodulation module include network controller, ARM, DSP, FPGA and AFE(analog front end); The transfer of data being received by network controller, to ARM, transfers to DSP after ARM processes, and DSP transfers to FPGA after the data that receive are processed, and after FPGA processes, transfers to AFE(analog front end); The AFE(analog front end) of described ground modulation /demodulation module is connected communication by described logging cable with the AFE(analog front end) of down-hole modulation /demodulation module.
3. wireline logging HRT high-rate telemetry communication apparatus according to claim 2, is characterized in that: in described ground modulation /demodulation module and down-hole modulation /demodulation module, be provided with FLASH chip, described FLASH chip is connected with FPGA with DSP respectively.
4. wireline logging HRT high-rate telemetry communication apparatus according to claim 1, it is characterized in that: in described ground system, also comprise electric power system, described electric power system is connected communication by described switch with well logging main frame, and described electric power system is connected with downhole system by described logging cable.
5. according to the wireline logging HRT high-rate telemetry communication apparatus described in any one in claim 1 to 4, it is characterized in that: described logging cable is single core or multicore.
6. according to the wireline logging HRT high-rate telemetry communication apparatus described in any one in claim 1 to 4, it is characterized in that: described logging cable is provided with one or more pairs of.
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| CN201420261007.4U CN203978425U (en) | 2014-05-21 | 2014-05-21 | A kind of wireline logging HRT high-rate telemetry communication apparatus |
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| CN201420261007.4U CN203978425U (en) | 2014-05-21 | 2014-05-21 | A kind of wireline logging HRT high-rate telemetry communication apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839972A (en) * | 2011-06-21 | 2012-12-26 | 中国石油集团长城钻探工程有限公司 | Bus system of logging downhole instrument based on twisted-pair Ethernet and logging method |
| CN106499389A (en) * | 2016-10-31 | 2017-03-15 | 华中科技大学 | Electromagnetic tool send-receive clock synchronization system and method between a kind of well |
| CN109274569A (en) * | 2018-10-18 | 2019-01-25 | 湖南恩智测控技术有限公司 | A kind of instrument connection method and system |
| CN109441436A (en) * | 2018-11-12 | 2019-03-08 | 连云港杰瑞自动化有限公司 | A kind of logging cable high-speed data communications device |
| CN111305830A (en) * | 2020-03-27 | 2020-06-19 | 北京环鼎科技有限责任公司 | Cable logging system based on high-temperature and high-speed ADSL technology |
-
2014
- 2014-05-21 CN CN201420261007.4U patent/CN203978425U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839972A (en) * | 2011-06-21 | 2012-12-26 | 中国石油集团长城钻探工程有限公司 | Bus system of logging downhole instrument based on twisted-pair Ethernet and logging method |
| CN106499389A (en) * | 2016-10-31 | 2017-03-15 | 华中科技大学 | Electromagnetic tool send-receive clock synchronization system and method between a kind of well |
| CN109274569A (en) * | 2018-10-18 | 2019-01-25 | 湖南恩智测控技术有限公司 | A kind of instrument connection method and system |
| CN109441436A (en) * | 2018-11-12 | 2019-03-08 | 连云港杰瑞自动化有限公司 | A kind of logging cable high-speed data communications device |
| CN111305830A (en) * | 2020-03-27 | 2020-06-19 | 北京环鼎科技有限责任公司 | Cable logging system based on high-temperature and high-speed ADSL technology |
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Owner name: LIANYUNGANG JARI AUTOMATION CO., LTD. Free format text: FORMER OWNER: QINGDAO JARI AUTOMATION CO., LTD. Effective date: 20150521 |
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Effective date of registration: 20150521 Address after: Haizhou District of Jiangsu city of Lianyungang province Lian Hai road 222000 No. 42 Patentee after: JARI AUTOMATION Co.,Ltd. CHINA Address before: 266100 Shenzhen Road, Laoshan District, Shandong, No. 21, No. Patentee before: QINGDAO JARI AUTOMATION Co.,Ltd. |
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Granted publication date: 20141203 |