CN106640052A - Embedded type while-drilling downhole working condition measuring device - Google Patents
Embedded type while-drilling downhole working condition measuring device Download PDFInfo
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- CN106640052A CN106640052A CN201510724467.5A CN201510724467A CN106640052A CN 106640052 A CN106640052 A CN 106640052A CN 201510724467 A CN201510724467 A CN 201510724467A CN 106640052 A CN106640052 A CN 106640052A
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- drill collar
- measuring circuit
- skeleton
- sensor
- hole
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- 238000005553 drilling Methods 0.000 title claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims description 18
- 230000035939 shock Effects 0.000 claims description 2
- 230000006870 function Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 230000006698 induction Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Abstract
The invention relates to an embedded type while-drilling downhole working condition measuring device which comprises a drill collar, a framework, a measuring circuit, sensors and a communication connector. The measuring circuit comprises a signal acquisition unit, an MCU, a communication bus, a storage unit and a power management unit. The power management unit provides a working power supply for the sensors and the measuring circuit. A groove is formed in the outer portion of the drill collar. The framework is a flat-bottom arc pressure-bearing shell and is in buckled and sealed connection with the groove. The sensors, the measuring circuit and the communication connector are fixedly mounted on the inner side of the framework and in a cavity of the groove of the drill collar. Induction surfaces of the sensors communicate with the outside in the mode that through holes radially penetrate through the drill collar. The embedded type while-drilling downhole working condition measuring device adopts the integral design, the sensors, the measuring circuit and the communication connector are fixedly mounted on the inner side of the framework, namely the flat-bottom arc pressure-bearing shell, sealing rings are arranged on the periphery of the framework, the downhole working condition information of the pressure, vibration, impact, the temperature and the like can be monitored in real time, the structure is exquisite, functions are independent, and the embedded type while-drilling downhole working condition measuring device can be connected with other instruments through the communication bus in a plugged mode.
Description
Technical field：
The present invention relates to a kind of embedded underground working measurement while drilling device in underground operation tool field.
Background technology：
In oil drilling process, ground drilling technical staff needs to understand the work informations such as down-hole pressure, vibration, impact, temperature in real time, instructs drillng operation to be smoothed out in order to adopt an effective measure in time.The method taken at present mainly has two classes：One class is ground indirect gain, and the shortcoming of the method is the actual condition that the data of measurement can not really under observation well, and the parameters such as annular pressure, vibration, impact, temperature even more cannot be obtained；Another kind of is using underground engineering parameter pipe nipple, sensor and measuring circuit are arranged in independent measurement pipe nipple, tool length increases with the increase of measurement parameter, additional space need to be taken when using cooperatively with the system such as rotary steering, it is unfavorable for that the modularization of system is integrated, and installation site typically apart from drill bit farther out, the real-time of measurement is have impact on, while also improving cost.Therefore, it is necessary to above-mentioned measurement function to be carried out integrated, the modular device of formation One function independence, the measurement function of desired parameters can be provided, additional space need not be increased again.
The content of the invention：
Present invention aims to the problem that prior art is present, provides a kind of simple structure, functional independence, dependable performance stable embedded underground working measurement while drilling device.It can as needed installed in the optional position of downhole instrument, it is adaptable to any with instrument is bored, and both can use as independent monitoring modular, it is also possible to with instrument mounting is bored, measurement data is uploaded in real time.
The content of the invention is as follows：
Embedded underground working measurement while drilling device, including drill collar, skeleton, measuring circuit, sensor and communication joint, measuring circuit includes signal gathering unit, MCU units, communication bus, memory cell and PMU；PMU provides the working power of sensor and measuring circuit；Wherein：Open up outside drill collar fluted, skeleton is flat arc pressure-bearing shell, skeleton is fastened with groove and is tightly connected, and sensor, measuring circuit and communication joint are fixedly mounted in the cavity of skeleton inner side and drill collar groove, and sensor sensing face extends radially through drill collar and is in communication with the outside by through hole.
Such scheme also includes：
The sensor has vibrating sensor, shock transducer, temperature sensor and pressure sensor；The measuring circuit using Power Carrier communication modes or power supply and the detached mode that communicates, be suitable for interface shape be RS-232,485, CAN, monobus, SPI, I2C.
The surrounding of skeleton has sealing ring, and there is screw hole on four sides, and skeleton is secured by bolts in drill collar lateral surface.
The through hole that described sensor sensing face is connected with the external world is to communicate with skeleton outside.
The through hole that described sensor sensing face is connected with the external world arranges through hole on the inside of skeleton in drill collar relevant position, and bottom sealing ring is placed on through hole inner side.
The invention has three kinds of mode of operations：Automatically the multiplexing of monitoring, data answering and two ways, can be set by host computer ways of carrying out：Automatically monitoring pattern can be that real-time measuring data is directly stored in into memory.Communication with the outside world and multiple devices can be independently mounted at diverse location and carry out distributed monitoring under the pattern；Data answering pattern is the specific instruction received according to order wire, and sends the data that measurement is specified toward communication bus.Without instruction when be in holding state.Under the mode of operation, device is used as an independent measurement module and energy consumption is minimum；Multiplexer mode is that real-time measuring data is stored in memory and sends newest specified data toward communication bus according to the specific instruction for receiving by connector.The storage time interval of Three models and secure threshold can be set by host computer, and the response of secure threshold has limit priority.
Benefit of the invention is that the invention takes full advantage of drill collar space using the Integrated design of integration, it is connected with downhole instrument without the need for increasing exceptional space and just can put in place；Meanwhile, the functional independence of the device can be used alone as the real-time monitoring device of down-hole, and distributing installation is monitored in difference to instrument ruuning situation.In addition, when instrument need not monitor work information one piece of empty skeleton without circuit and sensor can be used to be arranged at the fluting of drill collar sealing.
Description of the drawings：
Fig. 1 is the section of structure of the first embodiment of the invention；
Fig. 2 is the mounting structure outside schematic diagram of the present invention；
Fig. 3 is the Power Carrier Principle of Communication schematic diagram in the embodiment of the present invention；
Fig. 4 is the measuring circuit principle schematic in the embodiment of the present invention；
Fig. 5 is the program flow diagram in the embodiment of the present invention；
Fig. 6 is the section of structure of another kind of embodiment of the present invention.
Specific embodiment：
Describe the present invention with the present embodiment below in conjunction with the accompanying drawings
The section of structure of apparatus of the present invention one embodiment is bolted on the outside of drill collar 1 as shown in figure 1, be mainly made up of flat arc pressure-bearing shell skeleton 2, measuring circuit 5, sensor 6 and communication joint 3, there is screw 9 on the side of skeleton 2 four.Wherein, sensor 6, measuring circuit 5 and communication joint 3 are arranged on skeleton inner side, and realize sealing by the sealing ring 4 of surrounding, and the sealing ring of the present embodiment is sealed using one（Multiple tracks can also be adopted）.Sensor includes：Vibration, impact, four kinds of temperature and pressure, only depict pressure sensor 6 in Fig. 1, the wherein sensitive surface of pressure sensor front end is connected by through hole 8 with the external world, and the through hole 8 of the present embodiment is being that annular pressure measurement is carried out on the outside of skeleton.
Fig. 2 is the mounting structure schematic diagram of the present invention, and there is screw 9 on the side of skeleton 2 four, is bolted on the outside of drill collar 1.
The communication joint 3 of the present embodiment uses Micro-D joints, and using the communication modes of Power Carrier, as shown in Figure 3
Fig. 4 is the measuring circuit principle schematic of embodiment illustrated in fig. 1.Four sensors enter 4 tunnels synchronization A/D converter after signal enhanced processing, and by the data of collection MCU cell processings are given；MCU units are responsible for that the data after process are stored in Flash；Meanwhile, MCU units can be communicated and Working mode set with the control word received according to communication bus.The power supply of the connector is taken from insertion power line, and carries out current monitoring by PMU, shut-off operation is carried out when occurring abnormal reliable and stable to guarantee the power supply of the device；In addition, the present embodiment is communicated using Power Carrier mode, communication bus is obtained after carrier signal from power line, is not marked into MCU unit figures through modulation /demodulation, and operation principle is as shown in Figure 3.
The mode of operation of the device has three kinds：Automatic monitoring pattern, data answering pattern and automatic monitoring and data answering multiplexer mode.Wherein, automatically monitoring pattern can be used as the Microprocessor System for Real Time Record of underground working, each status information of down-hole is read after instrument is taken out by host computer to use in order to engineering staff's analysis, can also be used as respective status early warning system, alarm command is sent in the threshold value beyond instrument setting, wherein storage time interval and secure threshold can be that fixed value can also be set by host computer；Data answering pattern be connector according to the specific instruction for receiving after, send the data specified toward communication bus, without being in holding state during instruction, system power dissipation minimum under the pattern；Automatically monitoring and data answering multiplexer mode have the advantage of both of which concurrently, both the data of internal all sensors can in real time have been measured and had been stored in the memory on circuit, the response of different conditions can also be carried out according to secure threshold set in advance, and newest specified data are sent toward communication bus according to the specific instruction for receiving, wherein secure threshold is limit priority.
Fig. 5 is program flow diagram of the present invention under monitoring and data answering multiplexer mode automatically.After system starts, MCU units carry out first the self-inspection of modules and the status information of return are stored in real time in Flash, then abnormality code are sent into host computer by communication bus if there is abnormal.The laggard line sensor data acquisition of system initialization, and secure threshold is seen if fall out, while sending newest specified data toward communication bus according to the specific instruction for receiving.
Shown in Fig. 6 is the embodiment of vertical overpressure test.In the present embodiment, through hole 8 arranges through hole on the inside of skeleton in drill collar correspondence position, and so as to realize column pressure measxurement, the sealing ring of bottom should be placed on through hole inner side by the pattern, to guarantee that mud will not enter framework inner cavity.
Above-described embodiment only illustrates to concentrate embodiment, wherein the structure of each part, connected mode etc. all can be what is changed, every equivalents carried out on the basis of technical solution of the present invention and improvement should not be excluded outside protection scope of the present invention.
Claims (5)
1. embedded underground working measurement while drilling device, including drill collar, skeleton, measuring circuit, sensor and communication joint, measuring circuit includes signal gathering unit, MCU units, communication bus, memory cell and PMU；PMU provides the working power of sensor and measuring circuit；It is characterized in that：Open up outside drill collar fluted, skeleton is flat arc pressure-bearing shell, skeleton is fastened with groove and is tightly connected, and sensor, measuring circuit and communication joint are fixedly mounted in the cavity of skeleton inner side and drill collar groove, and sensor sensing face extends radially through drill collar and is in communication with the outside by through hole.
2. the embedded underground working measurement while drilling device as described in right 1, it is characterised in that：The sensor has vibrating sensor, shock transducer, temperature sensor and pressure sensor；The measuring circuit using Power Carrier communication modes or power supply and the detached mode that communicates, be suitable for interface shape be RS-232,485, CAN, monobus, SPI, I2C.
3. the embedded underground working measurement while drilling device as described in right 1 or 2, it is characterised in that：The surrounding of skeleton has sealing ring, and there is screw hole on four sides, and skeleton is secured by bolts in drill collar lateral surface.
4. the embedded underground working measurement while drilling device as described in right 2, it is characterised in that：The through hole that described pressure sensor sensitive surface is connected with the external world is to communicate with skeleton outside.
5. the embedded underground working measurement while drilling device as described in right 2, it is characterised in that：The through hole that described pressure sensor sensitive surface is connected with the external world arranges through hole on the inside of skeleton in drill collar relevant position, and bottom sealing ring is placed on through hole inner side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510724467.5A CN106640052A (en) | 2015-10-30 | 2015-10-30 | Embedded type while-drilling downhole working condition measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510724467.5A CN106640052A (en) | 2015-10-30 | 2015-10-30 | Embedded type while-drilling downhole working condition measuring device |
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| CN106640052A true CN106640052A (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510724467.5A Pending CN106640052A (en) | 2015-10-30 | 2015-10-30 | Embedded type while-drilling downhole working condition measuring device |
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| CN (1) | CN106640052A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387059A (en) * | 2017-07-10 | 2017-11-24 | 贝兹维仪器(苏州)有限公司 | A kind of underground engineering parameter measuring instrument |
| CN111140225A (en) * | 2019-12-30 | 2020-05-12 | 东莞市德克韦尔能源技术有限公司 | Underground low-power-consumption sound wave two-phase short-distance communication method and device |
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| CN111140225A (en) * | 2019-12-30 | 2020-05-12 | 东莞市德克韦尔能源技术有限公司 | Underground low-power-consumption sound wave two-phase short-distance communication method and device |
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| TA01 | Transfer of patent application right | ||
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Effective date of registration: 20220207 Address after: 100029 Chaoyang District, Beijing Hui Xin Street six, Twelfth level. Applicant after: SINOPEC OILFIELD SERVICE Corp. Applicant after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Applicant after: Sinopec Jingwei Co.,Ltd. Applicant after: Geological measurement and Control Technology Research Institute of Sinopec Jingwei Co.,Ltd. Address before: 100101 Beichen West Road, Chaoyang District, Beijing 8 Beichen world center, block A 703. Applicant before: SINOPEC OILFIELD SERVICE Corp. Applicant before: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Applicant before: SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD. DRILLING TECHNOLOGY Research Institute |
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Effective date of registration: 20221124 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Applicant after: SINOPEC Group Applicant after: SINOPEC OILFIELD SERVICE Corp. Applicant after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Applicant after: Sinopec Jingwei Co.,Ltd. Applicant after: Geological measurement and Control Technology Research Institute of Sinopec Jingwei Co.,Ltd. Address before: 100029 Chaoyang District, Beijing Hui Xin Street six, Twelfth level. Applicant before: SINOPEC OILFIELD SERVICE Corp. Applicant before: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Applicant before: Sinopec Jingwei Co.,Ltd. Applicant before: Geological measurement and Control Technology Research Institute of Sinopec Jingwei Co.,Ltd. |
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Application publication date: 20170510 |