CN104459824B - A kind of equipment and its monitoring method of micro-seismic monitoring fracturing effect - Google Patents
A kind of equipment and its monitoring method of micro-seismic monitoring fracturing effect Download PDFInfo
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- CN104459824B CN104459824B CN201410834659.7A CN201410834659A CN104459824B CN 104459824 B CN104459824 B CN 104459824B CN 201410834659 A CN201410834659 A CN 201410834659A CN 104459824 B CN104459824 B CN 104459824B
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Abstract
The present invention relates to a kind of equipment of micro-seismic monitoring fracturing effect, including central control system, dynamic monitoring component, static monitoring techniques component, gamma tester and display screen, dynamic monitoring component includes some first detectors, some second detectors and the sleeve pipe equal with second detector quantity, and static monitoring techniques component includes ultrasonic transmission device and ultrasonic probe, ultrasonic receiver；A kind of monitoring method of equipment using above-mentioned micro-seismic monitoring fracturing effect, including step：Model foundation, first time gamma logging, dynamic monitoring, static monitoring techniques, second gamma monitoring, data are calculated and graphic simulation.The equipment and its monitoring method of the micro-seismic monitoring fracturing effect are monitored by dynamic and static two ways to micro-seismic event, and combine gamma logging technology, component monitoring and calculating are carried out to microseism signal by three-component geophone, reduce measurement error, improve the accuracy of data monitoring, monitoring effect is improved, is adapted to promote.
Description
Technical field
The present invention relates to oil-gas field development field, the equipment of more particularly to a kind of micro-seismic monitoring fracturing effect and its monitoring
Method.
Background technology
The conventional shale gas well hydraulic fracturing Crack Monitoring of foreign countries mainly has directly near pit shaft Crack Monitoring, underground microseism
Monitoring method, inclinometer monitoring and distributed acoustic sensing Crack Monitoring.The comparative analysis monitoring of this several Crack Monitoring method
Ability and adaptability, directly near pit shaft fracture monitoring technique is only used as complementary technology in these Fracturing Monitoring technologies, and underground is micro-
Seismic Fracture monitoring is current most widely used, most accurate method.
But it is due to complexity and the polytropy of geological condition, particularly bigly noise and other noises to the number that monitors
Larger according to influenceing, the data that the equipment of prior art is obtained for microseism Crack Monitoring accurate must can not be obtained, and effect is not
It is preferable.
The content of the invention
The technical problem to be solved in the present invention is：In order to overcome the deficiencies in the prior art, there is provided a kind of micro-seismic monitoring pressure
Split the equipment and its monitoring method of effect.
The technical solution adopted for the present invention to solve the technical problems is：A kind of equipment of micro-seismic monitoring fracturing effect,
The dynamic monitoring component that is connected including central control system and respectively with central control system, static monitoring techniques component, gamma test
Instrument and display screen, the dynamic monitoring component include some first detectors, some second detectors and with second detector number
The equal sleeve pipe of amount, each first detector is from top to bottom uniformly arranged in monitoring well successively, and each second detector is arranged at
Above sleeve pipe, and a second detector piece sleeve pipe of correspondence, the first detector and second detector with central control
System signal is connected, and the static monitoring techniques component includes ultrasonic transmission device and ultrasonic probe, ultrasonic receiver, the ultrasonic wave hair
Injection device and ultrasonic probe, ultrasonic receiver are electrically connected by oscillograph with central control system.
Preferably, the ultrasonic transmission device includes a ultrasonic wave transmitting probe, the ultrasonic probe, ultrasonic receiver
Including four ultrasonic wave receiving transducers, the ultrasonic wave transmitting probe both sides are respectively equipped with two ultrasonic wave receiving transducers, four
Ultrasonic wave receiving transducer is obliquely installed.
Preferably, the second detector at least four, and the distance between two neighboring second detector is homogeneous
Deng.
Preferably, the first detector and second detector are three-component geophone.
A kind of monitoring method of equipment using above-mentioned micro-seismic monitoring fracturing effect, comprises the following steps：
1) model is set up：System initialization, by well seismic profile, speed data, geologic interpretation section, lithological profile number
According to input central control system, the initial model of Reservoir Section is set up；
2) first time gamma logging：Radioactive tracer is injected into fractured well, and first is carried out using gamma tester
Secondary monitoring, by the data transfer monitored to central control system；
3) dynamic monitoring：Fracturing fluid is injected to internal layer, gathering microseism component by the first detector in monitoring well believes
Number, then the microseism component signal collected is transferred to central control system by first detector, by being arranged on sleeve pipe
Second detector collection microseism component signal, during then the microseism component signal collected is transferred to by second detector
Entreat control system；
4) static monitoring techniques：Stop injection fracturing fluid, stopped by dynamic monitoring assemblies monitor to micro-seismic event after occurring,
Central control system control ultrasonic wave transmitting probe sends ultrasonic wave, and ultrasonic wave occurs to reflect and reflected at crack, and four surpass
Acoustic receiver probe is received from four direction to the ultrasonic wave after occurring to reflect and reflecting, and the ultrasonic wave received is believed
Number come out by oscilloscope display, synchronously, four ultrasonic wave receiving transducers by data signal transmission to central control system, in
Four ultrasonic signals are converted into data signal by centre control system；
5) second of gamma logging：By gamma tester the is carried out to having been injected into the radioactive tracer under fractured well
Secondary monitoring, and by the data transfer collected for the second time to central control system；
6) data are calculated：The data of first time gamma logging, second gamma logging are compared by central control system, then
The data sent with reference to dynamic monitoring component and static monitoring techniques component, according to the spatial distribution of event, with reference to pressure break curve,
Determine fracture spaces spread and the regularity of distribution；
7) graphic simulation：According to initial model, the analog image in crack is shown by display screen.
Preferably, step 2) in radioactive tracer activated by radio isotope.
Preferably, step 3) in, after micro-seismic event stops occurring 60s, ultrasonic wave transmitting probe sends ultrasonic wave.
Pass through the beneficial effects of the invention are as follows the equipment and its monitoring method of, the micro-seismic monitoring fracturing effect dynamic and quiet
State two ways is monitored to micro-seismic event, and combines gamma logging technology, and microseism is believed by three-component geophone
Number component monitoring and calculating are carried out, reduce the influence of external noise, reduce measurement error, improve the accurate of data monitoring
Property, monitoring effect is improved, the data acquisition for the volume fracturing being particularly suitable for use in being developed to shale gas is relatively adapted to promote.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the equipment of micro-seismic monitoring fracturing effect of the present invention；
In figure：1. central control system, 2. display screens, 3. first detectors, 4. second detectors, 5. ultrasonic waves transmitting is visited
Head, 6. ultrasonic wave receiving transducers, 7. oscillographs, 8. sleeve pipes, 9. monitoring wells, 10. gamma testers.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
As shown in figure 1, a kind of equipment of micro-seismic monitoring fracturing effect, including central control system 1 and respectively with center
Dynamic monitoring component, static monitoring techniques component, gamma tester 10 and display screen 2 that control system 1 is connected, the dynamic monitoring group
Part includes some first detectors 3, some second detectors 4 and the sleeve pipe 8 equal with the quantity of second detector 4, each first inspection
Ripple device 3 is from top to bottom uniformly arranged in monitoring well 9 successively, and each second detector 4 is arranged at the top of sleeve pipe 8, and one the
A two wave detectors 4 piece sleeve pipe 8 of correspondence, the first detector 3 and second detector 4 are connected with the signal of central control system 1,
The static monitoring techniques component includes ultrasonic transmission device and ultrasonic probe, ultrasonic receiver, the ultrasonic generator and ultrasonic wave
Reception device is electrically connected by oscillograph 7 with central control system 1.
Preferably, the ultrasonic transmission device includes a ultrasonic wave transmitting probe 5, the ultrasonic probe, ultrasonic receiver
Including four ultrasonic wave receiving transducers 6, the both sides of ultrasonic wave transmitting probe 5 are respectively equipped with two ultrasonic wave receiving transducers 6, four
Individual ultrasonic wave receiving transducer 6 is obliquely installed.
Preferably, the second detector 4 at least four, and the distance between four second detectors 4 are equal.
Preferably, the first detector 3 and second detector 4 are three-component geophone.
A kind of monitoring method of equipment using above-mentioned micro-seismic monitoring fracturing effect, comprises the following steps：
1) model is set up：System initialization, by well seismic profile, speed data, geologic interpretation section, lithological profile etc.
Data input central control system 1, sets up the initial model of Reservoir Section；
2) first time gamma logging：Inject radioactive tracer into fractured well, and the is carried out using gamma tester 10
Once monitor, by the data transfer monitored to central control system 1；
3) dynamic monitoring：Fracturing fluid is injected to internal layer, gathering microseism component by the first detector 3 in monitoring well believes
Number, then the microseism component signal collected is transferred to central control system 1 by first detector 3, by being arranged on sleeve pipe 8
On second detector 4 collection microseism component signal, then second detector 4 by the microseism component signal collected transmit
To central control system 1；
4) static monitoring techniques：Stop injection fracturing fluid, stopped by dynamic monitoring assemblies monitor to micro-seismic event after occurring,
The control ultrasonic wave of central control system 1 transmitting probe 5 sends ultrasonic wave, and ultrasonic wave occurs to reflect at crack and reflected, four
Ultrasonic wave receiving transducer 6 from four direction to occur to reflect and reflection after ultrasonic wave receive, and by the ultrasound received
Ripple signal shows that synchronously, four ultrasonic wave receiving transducers 6 handle data signal transmission to center by oscillograph 7
Four ultrasonic signals are converted into data signal by system 1, central processing system 1；
5) second of gamma logging：Carried out by 10 pairs of radioactive tracers having been injected under fractured well of gamma tester
Second monitors, and by the data transfer collected for the second time to central control system 1；
6) data are calculated：The data of first time gamma logging, second gamma logging are compared by central control system 1,
The data sent in conjunction with dynamic monitoring component and static monitoring techniques component, it is bent with reference to pressure break according to the spatial distribution of event
Line, determines fracture spaces spread and the regularity of distribution；
7) graphic simulation：According to initial model, the analog image in crack is shown by display screen.
Preferably, step 2) in radioactive tracer activated by radio isotope.
Preferably, step 3) in, after micro-seismic event stops occurring 60s, ultrasonic wave transmitting probe 5 sends ultrasound
Ripple.
When fractured well has two mouthfuls or more than two mouthfuls, it is contemplated that interfering between signal, for each pressure
Splitting well can be made a distinction using the ultrasonic wave of different frequency, can also be utilized after the whole dynamic detections of fractured well are finished
Static Detection component is monitored one by one, and the monitoring time is staggered, you can be prevented effectively from interfering between signal.
Compared with prior art, the equipment and its monitoring method of the micro-seismic monitoring fracturing effect pass through dynamic and static state two
The mode of kind is monitored to micro-seismic event, and combines gamma logging technology, and microseism signal is entered by three-component geophone
Row component is monitored and calculated, and is reduced measurement error, is improved the accuracy of data monitoring, improve monitoring effect, is adapted to push away
Extensively.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (7)
1. a kind of equipment of micro-seismic monitoring fracturing effect, it is characterised in that including central control system (1) and respectively with center
Dynamic monitoring component, static monitoring techniques component, gamma tester (10) and the display screen (2) of control system (1) connection, the dynamic
Monitoring assembly includes some first detectors (3), some second detectors (4) and the set equal with second detector (4) quantity
Manage (8), each first detector (3) is from top to bottom uniformly arranged in monitoring well (9) successively, and each second detector (4) is respectively provided with
Above sleeve pipe (8), and second detector (4) piece sleeve pipe (8) of correspondence, the first detector (3) and the second detection
Device (4) is connected with central control system (1) signal, and the static monitoring techniques component includes ultrasonic transmission device and ultrasonic wave connects
Receiving apparatus, the ultrasonic transmission device and ultrasonic probe, ultrasonic receiver are electrically connected by oscillograph (7) with central control system (1)
Connect.
2. the equipment of micro-seismic monitoring fracturing effect according to claim 1, it is characterised in that the ultrasonic wave transmitting dress
Put including a ultrasonic wave transmitting probe (5), the ultrasonic probe, ultrasonic receiver includes four ultrasonic wave receiving transducers (6), described
Ultrasonic wave transmitting probe (5) both sides are respectively equipped with two ultrasonic wave receiving transducers (6), and four ultrasonic wave receiving transducers (6) are inclined
Tiltedly set.
3. the equipment of micro-seismic monitoring fracturing effect according to claim 1, it is characterised in that the second detector
(4) at least four, and the distance between two neighboring second detector (4) is equal.
4. the equipment of micro-seismic monitoring fracturing effect according to claim 1, it is characterised in that the first detector
And second detector (4) is three-component geophone (3).
5. a kind of monitoring method of the equipment of micro-seismic monitoring fracturing effect using as described in claim any one of 1-4, its
It is characterised by, comprises the following steps：
1) model is set up：System initialization, well seismic profile, speed data, geologic interpretation section, lithological profile data are defeated
Enter central control system (1), set up the initial model of Reservoir Section；
2) first time gamma logging：Radioactive tracer is injected into fractured well, and first is carried out using gamma tester (10)
Secondary monitoring, by the data transfer monitored to central control system (1)；
3) dynamic monitoring：Fracturing fluid is injected to internal layer, microseism component is gathered by the first detector (3) in monitoring well (9)
Signal, then first detector (3) the microseism component signal collected is transferred to central control system (1), pass through set
Second detector (4) collection microseism component signal on sleeve pipe (8), then second detector (4) is micro-ly by what is collected
Shake component signal is transferred to central control system (1)；
4) static monitoring techniques：Stop injection fracturing fluid, stopped by dynamic monitoring assemblies monitor to micro-seismic event after occurring, center
Control system (1) control ultrasonic wave transmitting probe (5) sends ultrasonic wave, and ultrasonic wave occurs to reflect at crack and reflected, four
Ultrasonic wave receiving transducer (6) is received from four direction to the ultrasonic wave after occurring to reflect and reflecting, and super by what is received
Acoustic signals show that synchronously, four ultrasonic wave receiving transducers (6) are by data signal transmission into by oscillograph (7)
Control system (1) is entreated, four ultrasonic signals are converted into data signal by central control system (1)；
5) second of gamma logging：By gamma tester (10) the is carried out to having been injected into the radioactive tracer under fractured well
Secondary monitoring, and by the data transfer collected for the second time to central control system (1)；
6) data are calculated：The data of first time gamma logging, second gamma logging are compared by central control system (1), then
The data sent with reference to dynamic monitoring component and static monitoring techniques component, according to the spatial distribution of event, with reference to pressure break curve,
Determine fracture spaces spread and the regularity of distribution；
7) graphic simulation：According to initial model, the analog image in crack is shown by display screen (2).
6. the monitoring method of the equipment of micro-seismic monitoring fracturing effect as claimed in claim 5, it is characterised in that step 2) in
Radioactive tracer activated by radio isotope.
7. the monitoring method of the equipment of micro-seismic monitoring fracturing effect as claimed in claim 5, it is characterised in that step 3)
In, after micro-seismic event stops occurring 60s, ultrasonic wave transmitting probe (5) sends ultrasonic wave.
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| CN201410834659.7A CN104459824B (en) | 2014-12-29 | 2014-12-29 | A kind of equipment and its monitoring method of micro-seismic monitoring fracturing effect |
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| CN104459824A CN104459824A (en) | 2015-03-25 |
| CN104459824B true CN104459824B (en) | 2017-10-03 |
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| CN106353527B (en) * | 2015-07-14 | 2019-02-01 | 中国石油化工股份有限公司 | Method of the artificial fracturing crack along preset direction extension speed in measurement rock |
| CN107642355B (en) * | 2017-08-24 | 2020-11-06 | 中国石油天然气集团公司 | Hydraulic fracturing fracture monitoring system and method based on ultrasonic emission method |
| CN109580451B (en) * | 2018-11-14 | 2022-01-11 | 浙江海洋大学 | Rock burst stress monitoring method adopting fluorescent tracer |
| CN109580450B (en) * | 2018-11-14 | 2021-11-09 | 浙江海洋大学 | Rock burst stress monitoring method adopting radioactive tracer |
| CN112990629B (en) * | 2019-12-17 | 2024-03-29 | 中国石油化工股份有限公司 | Unconventional oil and gas reservoir exploitation method and unconventional oil and gas reservoir exploitation system |
| CN111487692B (en) * | 2020-04-27 | 2022-05-20 | 吉林大学 | Method for predicting seismic response characteristics and reservoir thickness of salt shale oil rhythm layer |
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| US9540889B2 (en) * | 2004-05-28 | 2017-01-10 | Schlumberger Technology Corporation | Coiled tubing gamma ray detector |
| CN201771489U (en) * | 2009-12-17 | 2011-03-23 | 西安思坦仪器股份有限公司 | Acoustic variable density logging instrument |
| CN201993473U (en) * | 2011-01-11 | 2011-09-28 | 北京合嘉鑫诺市政工程有限公司 | Microseismic monitoring system |
| CN103513280B (en) * | 2012-06-19 | 2016-05-04 | 中国石油化工股份有限公司 | A kind of microseism monitoring simulation system |
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| CB03 | Change of inventor or designer information |
Inventor after: Tong Kailin Inventor after: Li Rui Inventor after: Qi Liyang Inventor before: Wang Changchun Inventor before: Zhong Chuanrong Inventor before: Yang Chen Inventor before: Wang Xiuyu Inventor before: Li Ruinan Inventor before: Wang Yansheng Inventor before: Li Quan Inventor before: Liu Tianyang |
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Effective date of registration: 20181127 Address after: 618300 No. 6 East Guangdong Road, Guanghan, Deyang, Sichuan Patentee after: SICHUAN SHENGNUODI GAS ENGINEERING TECHNOLOGY SERVICE CO., LTD. Address before: 610059 1 East three road, Erxian bridge, Chenghua District, Chengdu, Sichuan Patentee before: Chengdu University of Technology |