CN203161209U - Gamma multi-term detection cement density logger - Google Patents
Gamma multi-term detection cement density logger Download PDFInfo
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- CN203161209U CN203161209U CN 201320137807 CN201320137807U CN203161209U CN 203161209 U CN203161209 U CN 203161209U CN 201320137807 CN201320137807 CN 201320137807 CN 201320137807 U CN201320137807 U CN 201320137807U CN 203161209 U CN203161209 U CN 203161209U
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Abstract
The utility model relates to the technical field of cement density loggers, and provides a gamma multi-term detection cement density logger. The gamma multi-term detection cement density logger comprises gamma detectors and an electronic circuit shell. One end of each gamma detector is connected with the electronic circuit shell. A signal processing module, a power supply device, a data acquisition control module, a data receiving / sending driving module, a high-voltage rectifying module and a power transformer are respectively and fixedly mounted inside the electronic circuit shell. The gamma multi-term detection cement density logger is reasonable and compact in structure and convenient to use. A thickness gamma detector and a density gamma detector are used for measuring the average density and the maximum density outside a casing pipe, the eccentricity ratio of the casing pipe relative to the wall of a well, the average wall thickness of the casing pipe, the position of a measuring casing pipe joint support, the position of a casing pipe centralizer and other parameters, and for transmitting measured signals to a ground system to make working staff know conditions of well cementation under the well. Therefore, measuring efficiency is improved, measuring items are increased, the cementation quality can be known more accurately, and the practicability is high.
Description
Technical field
The utility model relates to cement density logging instrument technical field, is the multinomial detection cement density of a kind of gamma logging instrument.
Background technology
Along with oil-gas reservoir is increasingly sophisticated, many new, higher requirements have been proposed logging technique; The logging instrument of traditional method evaluating cementing quality of utilizing sound wave can only be judged the bonding quality at the II interface of the I interface of cement and sleeve pipe and cement and the borehole wall, and can not judge the quality of the inner bonding quality of cement sheath; The data that detect are not comprehensive, can not accurately reflect the quality of well cementation.
Summary of the invention
The utility model provides the multinomial detection cement density of a kind of gamma logging instrument, overcome the deficiency of above-mentioned prior art, it can effectively solve the logging instrument that tradition is utilized the method evaluating cementing quality of sound wave, and survey data is not comprehensive, can not accurately reflect the problem of cementing quality.
The technical solution of the utility model realizes by following measure: the multinomial detection cement density of a kind of gamma logging instrument comprises gamma detector and electronic circuit housing; One end of gamma detector is connected with the electronic circuit housing; The inside of electronic circuit housing is installed with signal processing module, supply unit, data acquisition and control module, data respectively and receives/send driver module, high-voltage rectifying module and power transformer; Power transformer comprises elementary winding and secondary windings, the power input of secondary windings and supply unit is electrically connected by lead, and first power output end of supply unit, second source output, the 3rd power output end, the 4th power output end link together with the power input that power input, the power input of signal processing module, the power input of data acquisition and control module, the data of high-voltage rectifying module received/sent driver module respectively; The power output end of high-voltage rectifying module and the power input of gamma detector are electrically connected by lead, the signal output part of gamma detector is electrically connected by lead by the signal input part of shaping pulse module and signal processing module, first signal input part of the signal output part of signal processing module and data acquisition and control module is electrically connected by lead, the signal input part that first signal output part and the data of data acquisition and control module received/sent driver module is electrically connected by lead, the secondary signal output of data acquisition and control module and the signal input part of signal processing module are electrically connected by lead, and data receive/send the signal output part of driver module and the secondary signal input of data acquisition and control module is electrically connected by lead.
Be the further optimization and/or improvements to above-mentioned utility model technical scheme below:
Above-mentioned gamma detector can comprise thickness gamma detector and density gamma detector; Thickness gamma detector and density gamma detector are fixedly installed togather; The power output end of high-voltage rectifying module is electrically connected by lead with the power input of thickness gamma detector and density gamma detector respectively; The signal output part of thickness gamma detector and density gamma detector is electrically connected by lead by the signal input part of shaping pulse module and signal processing module.
The left end of above-mentioned electronic circuit housing and the right-hand member of gamma detector can be installed with left centralizer and right centralizer respectively.
The main control chip of above-mentioned data acquisition and control module can adopt single-chip microcomputer.
Can have on the above-mentioned supply unit and can export positive 5 volts and can export positive 12 volts output port of power source.
The utility model reasonable and compact in structure, easy to use; By thickness gamma detector and density gamma detector to sleeve pipe outer averag density, maximal density, the eccentricity of the relative borehole wall of sleeve pipe, sleeve pipe average wall thickness, the measuring unit tube coupling drags measures with the parameters such as position of casing stabbing board, and the signal after will measuring is delivered to ground system, makes the staff understand the situation of down-hole well cementation; Improved measurement efficient, the measurement project increases, and can effectively improve the degree of accuracy of understanding fixed mass, and is practical.
Description of drawings
Accompanying drawing 1 is the main TV structure schematic diagram of the utility model most preferred embodiment.
Accompanying drawing 2 is circuit structure diagram of the present utility model.
Coding in the accompanying drawing is respectively: 1 is gamma detector, and 2 is the electronic circuit housing, and 3 is left centralizer, 4 is right centralizer, 5 is signal processing module, and 6 is supply unit, and 7 is data acquisition and control module, 8 receive/send driver module for data, 9 is the high-voltage rectifying module, and 10 are the shaping pulse module, and 11 is the thickness gamma detector, 12 is the density gamma detector, and 13 is power transformer.
The specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
In the utility model, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description 1 is described, as: the position relation of upper and lower, left and right etc. is what to determine according to the Butut direction of Figure of description 1.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
Shown in accompanying drawing 1,2, the multinomial detection cement density of this gamma logging instrument comprises gamma detector 1 and electronic circuit housing 2; One end of gamma detector 1 is connected with electronic circuit housing 2; The inside of electronic circuit housing 2 is installed with signal processing module 5, supply unit 6, data acquisition and control module 7, data respectively and receives/send driver module 8, high-voltage rectifying module 9 and power transformer 13; Power transformer 13 comprises elementary winding and secondary windings, the power input of secondary windings and supply unit 6 is electrically connected by lead, and first power output end of supply unit 6, second source output, the 3rd power output end, the 4th power output end link together with the power input that power input, the power input of signal processing module 5, the power input of data acquisition and control module 7, the data of high-voltage rectifying module 9 received/sent driver module 8 respectively; The power input of the power output end of high-voltage rectifying module 9 and gamma detector 1 is electrically connected by lead, the signal output part of gamma detector 1 is electrically connected by lead by the signal input part of shaping pulse module 10 with signal processing module 5, first signal input part of the signal output part of signal processing module 5 and data acquisition and control module 7 is electrically connected by lead, the signal input part that first signal output part and the data of data acquisition and control module 7 received/sent driver module 8 is electrically connected by lead, the secondary signal output of data acquisition and control module 7 and the signal input part of signal processing module 5 are electrically connected by lead, and data receive/send the signal output part of driver module 8 and the secondary signal input of data acquisition and control module 7 is electrically connected by lead.Power transformer 13 has the function of instrument power supply; This power transformer 13 is divided into elementary winding and secondary windings; When ground system sent power supply to the utility model by cable, the secondary windings of this power transformer 13 was connected with supply unit 6, and supply unit 6 connects mainly powers to the utility model; During transfer of data, data acquisition and control module 7 receives/sends driver module 8 and links to each other with data; The startup of the main control chip control signal processing module 5 of data acquisition and control module 7, the transmission that stops and controlling its signal, data acquisition and control module 7 also have and will upload the function of the coding of data-signal; When ground system by cable core with power supply supply power device 6, with log-on data acquisition control module 7, data acquisition and control module 7 sends reset signals and enabling signal to signal processing module 5 after the supply unit 6 power takings successes; Be to send the peek signal in time interval in cycle with 50 milliseconds again, obtain valid data, these data send to data and receive/send driver module 8, then data are uploaded by the CAN bus format; Signal processing module 5 is by data acquisition and control module 7 controls, and it implements the collection of signal and the transmission of signal according to control signal; Signal processing module 5 sends corresponding data to data acquisition and control module 7 according to signal after receiving the peek control signal; Parameters such as eccentricity, sleeve pipe average wall thickness and the measuring unit tube coupling that can effectively measure the outer averag density of well cementation rear sleeve, maximal density, the relative borehole wall of sleeve pipe like this drags; Accomplish better to understand subsurface environment, for place mat is carried out in the safety in production of down-hole; Can be used for monitoring cementing quality and sleeve technology situation simultaneously, and be applicable to that open well, 146 to 168 millimeters of sleeve pipe external diameters and gradient reach 50 ° well, and monitoring of environmental such as inflation filling mixture well cementation, applicability is strong.
Can according to actual needs the multinomial detection cement density of above-mentioned gamma logging instrument be made further optimization and/or improvements:
Shown in accompanying drawing 1,2, gamma detector 1 comprises thickness gamma detector 11 and density gamma detector 12; Thickness gamma detector 11 and density gamma detector 12 are fixedly installed togather; The power output end of high-voltage rectifying module 9 is electrically connected by lead with the power input of thickness gamma detector 11 and density gamma detector 12 respectively; The signal output part of thickness gamma detector 11 and density gamma detector 12 is electrically connected by lead by the signal input part of shaping pulse module 10 with signal processing module 5.Like this, can increase the project of detection, make the parameter of measurement more comprehensively.
As shown in Figure 1, be installed with left centralizer 3 and right centralizer 4 respectively at the left end of electronic circuit housing 2 and the right-hand member of gamma detector 1.Left side centralizer 3 and 4 pairs of the utility model of right centralizer play the effect that centering is set upright.
As required, the main control chip of data acquisition and control module 7 adopts single-chip microcomputer.
As required, have at supply unit 6 and can export positive 5 volts and can export positive 12 volts output port of power source.Supply unit can be exported positive 5 volts and positive 12 volts of voltages simultaneously, and positive 12 volts of voltages can be used for high-voltage rectifying module 9 and transform high voltage source; Positive 5 volts of voltages can be used for the instrument power supply that signal processing module 5, data acquisition and control module 7 and data received/sent driver module 8 simultaneously.
Above technical characterictic has constituted most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
The use of the utility model most preferred embodiment: by power transformer 13 elementary two 120 volts alternating current input is transferred to 40 volts secondary alternating current output, this alternating current is to supply unit 6 power supplies, supply unit 6 changes DC circuit by exchanging, become positive 12 volts of power supplys and positive 5 volts direct current output, positive 5 volts output port of power source receives/sends driver module 8 with signal processing module 5, data acquisition and control module 7 respectively and is connected with data, and power supply is provided; The positive 12 volts output port of power source of supply unit is connected with high-voltage rectifying module 9, and by high-voltage rectifying module 9 12 volts of power supplys generation high voltage sourcies is flowed to thickness gamma detector 11 and density gamma detector 12; The signal output of thickness gamma detector 11 and density gamma detector 12 enters signal processing module 5 behind pulse Shaping Module 10; Signal receives/sends driver module 8 and cable transmission to ground system through data acquisition and control module 7, data successively, and ground system carries out data analysis to signal, draws the respective change curve map, makes the staff understand the situation of down-hole well cementation.
Claims (9)
1. the multinomial detection cement density of a gamma logging instrument is characterized in that comprising gamma detector and electronic circuit housing; One end of gamma detector is connected with the electronic circuit housing; The inside of electronic circuit housing is installed with signal processing module, supply unit, data acquisition and control module, data respectively and receives/send driver module, high-voltage rectifying module and power transformer; Power transformer comprises elementary winding and secondary windings, the power input of secondary windings and supply unit is electrically connected by lead, and first power output end of supply unit, second source output, the 3rd power output end, the 4th power output end link together with the power input that power input, the power input of signal processing module, the power input of data acquisition and control module, the data of high-voltage rectifying module received/sent driver module respectively; The power output end of high-voltage rectifying module and the power input of gamma detector are electrically connected by lead, the signal output part of gamma detector is electrically connected by lead by the signal input part of shaping pulse module and signal processing module, first signal input part of the signal output part of signal processing module and data acquisition and control module is electrically connected by lead, the signal input part that first signal output part and the data of data acquisition and control module received/sent driver module is electrically connected by lead, the secondary signal output of data acquisition and control module and the signal input part of signal processing module are electrically connected by lead, and data receive/send the signal output part of driver module and the secondary signal input of data acquisition and control module is electrically connected by lead.
2. the multinomial detection cement density of gamma according to claim 1 logging instrument is characterized in that gamma detector comprises thickness gamma detector and density gamma detector; Thickness gamma detector and density gamma detector are fixedly installed togather; The power output end of high-voltage rectifying module is electrically connected by lead with the power input of thickness gamma detector and density gamma detector respectively; The signal output part of thickness gamma detector and density gamma detector is electrically connected by lead by the signal input part of shaping pulse module and signal processing module.
3. the multinomial detection cement density of gamma according to claim 1 and 2 logging instrument is characterized in that the left end of electronic circuit housing and the right-hand member of gamma detector are installed with left centralizer and right centralizer respectively.
4. the multinomial detection cement density of gamma according to claim 1 and 2 logging instrument is characterized in that the main control chip of data acquisition and control module adopts single-chip microcomputer.
5. the multinomial detection cement density of gamma according to claim 3 logging instrument is characterized in that the main control chip of data acquisition and control module adopts single-chip microcomputer.
6. the multinomial detection cement density of gamma according to claim 1 and 2 logging instrument is characterized in that having on the supply unit and can export positive 5 volts and can export positive 12 volts output port of power source.
7. the multinomial detection cement density of gamma according to claim 3 logging instrument is characterized in that having on the supply unit and can export positive 5 volts and can export positive 12 volts output port of power source.
8. the multinomial detection cement density of gamma according to claim 4 logging instrument is characterized in that having on the supply unit and can export positive 5 volts and can export positive 12 volts output port of power source.
9. the multinomial detection cement density of gamma according to claim 5 logging instrument is characterized in that having on the supply unit and can export positive 5 volts and can export positive 12 volts output port of power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320137807 CN203161209U (en) | 2013-03-25 | 2013-03-25 | Gamma multi-term detection cement density logger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320137807 CN203161209U (en) | 2013-03-25 | 2013-03-25 | Gamma multi-term detection cement density logger |
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| Publication Number | Publication Date |
|---|---|
| CN203161209U true CN203161209U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320137807 Expired - Lifetime CN203161209U (en) | 2013-03-25 | 2013-03-25 | Gamma multi-term detection cement density logger |
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| CN (1) | CN203161209U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9885566B2 (en) | 2014-07-24 | 2018-02-06 | Johnson Matthey Public Limited Company | Apparatus for determining thickness of lining layer |
| US11320563B2 (en) | 2020-05-28 | 2022-05-03 | Halliburton Energy Services, Inc. | Layer density measurement using a narrow energy attenuation track |
| US11378715B2 (en) | 2020-05-28 | 2022-07-05 | Halliburton Energy Services, Inc. | Density measurement of a selected layer by gamma spectral deconvolution |
| US11493662B2 (en) | 2020-05-28 | 2022-11-08 | Halliburton Energy Services, Inc. | Determining density of multiple layers using gamma spectroscopy |
-
2013
- 2013-03-25 CN CN 201320137807 patent/CN203161209U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9885566B2 (en) | 2014-07-24 | 2018-02-06 | Johnson Matthey Public Limited Company | Apparatus for determining thickness of lining layer |
| US11320563B2 (en) | 2020-05-28 | 2022-05-03 | Halliburton Energy Services, Inc. | Layer density measurement using a narrow energy attenuation track |
| US11378715B2 (en) | 2020-05-28 | 2022-07-05 | Halliburton Energy Services, Inc. | Density measurement of a selected layer by gamma spectral deconvolution |
| US11493662B2 (en) | 2020-05-28 | 2022-11-08 | Halliburton Energy Services, Inc. | Determining density of multiple layers using gamma spectroscopy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190828 Address after: 100120 Liupu Kang, Xicheng District, Beijing Co-patentee after: CHINA PETROLEUM LOGGING Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 834000 Yujiannan Road 217 Logging Company, Karamay City, Xinjiang Uygur Autonomous Region Patentee before: CNPC Xibu Drilling Engineering Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |
|
| CX01 | Expiry of patent term |