CN212479212U - Storage type dual-spectrum natural gamma-ray energy spectrum logging instrument - Google Patents
Storage type dual-spectrum natural gamma-ray energy spectrum logging instrument Download PDFInfo
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- CN212479212U CN212479212U CN202021059977.8U CN202021059977U CN212479212U CN 212479212 U CN212479212 U CN 212479212U CN 202021059977 U CN202021059977 U CN 202021059977U CN 212479212 U CN212479212 U CN 212479212U
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Abstract
The utility model discloses a two spectrum type nature gamma-ray energy spectrum logging instrument of storage formula. The logging instrument comprises an instrument main body, a data acquisition processor, a high-voltage module, a storage module and a power supply module, wherein a detection element and a spectrum stabilizing element are arranged in the instrument main body; the data acquisition processor is electrically connected with the detection element and the spectrum stabilizing element respectively; the high-voltage module is electrically connected with the data acquisition processor; the storage module is electrically connected with the data acquisition processor; the power module comprises an energy storage battery which is respectively and electrically connected with the instrument main body, the data acquisition processor, the high-voltage module and the storage module. The embodiment of the utility model provides a can be according to the reference signal in the well that the stationary spectrum component provided, the detection signal in the well that the detection component was received is rectified to can carry out real-time storage to the storage data after rectifying.
Description
Technical Field
The embodiment of the utility model provides a relate to oil instrument technical field, especially relate to a two spectrum type nature gamma energy spectrum logging instruments of storage formula.
Background
The natural gamma energy spectrum logging instrument is mainly used for measuring gamma energy rays of different energy levels in a stratum, analyzing and determining the concentrations of thorium, potassium and uranium in the stratum through the research on gamma ray energy spectrums, and further ascertaining the oil gas content and distribution in the stratum.
In the logging process of the energy spectrum logging instrument, the detection element can receive gamma ray signals sent by an underground stratum, after gamma ray statistical information is transmitted to surface software, the gamma ray statistical information is processed in the surface software to obtain the content distribution of potassium, uranium and thorium elements in the stratum, and a characteristic energy peak is generated in a main spectrum.
In the logging process, due to severe underground temperature change, fatigue aging of components in the instrument and continuous operation of the instrument, a characteristic energy peak in a main spectrum can drift in a track address space, namely, the peak position or the spectrum shape of the main spectrum of the spectrum logging instrument is changed compared with a standard spectrum under a set condition for the same substance under a certain condition, and finally logging data distortion is caused.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a two spectrum type nature gamma energy spectrum logging instrument of storage formula to reach the accuracy that improves logging data, and can carry out real-time storage's purpose to data.
The embodiment of the utility model provides a two spectrum type nature gamma-ray spectroscopy logging instruments of storage formula, include: the device comprises an instrument main body, a data acquisition processor, a high-voltage module, a storage module and a power supply module;
a detection element and a spectrum stabilizing element are arranged in the instrument main body; the detection element is used for receiving a detection signal in the well; the spectrum stabilizing element is used for providing a borehole reference signal;
the data acquisition processor is electrically connected with the detection element and the spectrum stabilizing element respectively; the data acquisition processor is used for acquiring the detection signal and the reference signal and outputting a regulation signal;
the high-voltage module is electrically connected with the data acquisition processor; the high-voltage module is used for receiving the regulation and control signal and outputting a correction signal to the detection element and the spectrum stabilizing element;
the storage module is electrically connected with the data acquisition processor; the storage module is used for receiving the storage data output by the data acquisition processor and storing the storage data;
the power supply module comprises an energy storage battery which is respectively and electrically connected with the instrument main body, the data acquisition processor, the high-voltage module and the storage module; the energy storage battery is used for providing power signals for the instrument main body, the data acquisition processor, the high-voltage module and the storage module.
Optionally, the detection element comprises a detection crystal; the detection crystal comprises a sodium iodide crystal or a brilliant iodide crystal.
Optionally, the detection element further comprises a first photomultiplier tube; one end of the first photomultiplier is electrically connected with the detection crystal, and the other end of the first photomultiplier is electrically connected with the data acquisition processor.
Optionally, the spectrum stabilizing element comprises calcium fluoride crystals; a spectrum stabilizing source is arranged in the calcium fluoride crystal.
Optionally, the spectrum stabilizing source comprises an americium source.
Optionally, the spectrum stabilizing element further comprises a second photomultiplier tube; one end of the second photomultiplier is electrically connected with the spectrum stabilizing crystal, and the other end of the second photomultiplier is electrically connected with the data acquisition processor.
Optionally, the data acquisition processor includes a data acquisition chip and a data processor.
Optionally, the data acquisition chip is electrically connected to the detection element and the spectrum stabilization element respectively; the data acquisition chip is used for acquiring the detection signal and the reference signal.
Optionally, the data processor is electrically connected to the data acquisition chip, the high voltage module and the storage module respectively; the data processor is used for outputting a regulation signal to the high-voltage module or outputting storage data to the storage module according to the detection signal and the reference signal acquired by the data acquisition chip.
Optionally, the power module further includes a short section; the short section is connected with the instrument main body; the nipple comprises a battery placing cavity; the energy storage battery is placed in the battery placing cavity.
The embodiment of the utility model provides a storage formula bispectrum type nature gamma energy spectrum logging instrument, storage battery through power module provides power supply for other structures of storage formula bispectrum type nature gamma energy spectrum logging instrument, and adopt the reference signal that the data acquisition treater provided according to the steady register for easy reference component, control high-pressure module corrects the reference signal that the steady register for easy reference component provided and the detection signal that the detection component received, and the data storage after will correcting in storage module, thereby can be to the detection signal limit storage of rectifying, the accuracy and the real-time of storage data have been improved, data processing's efficiency has been improved. And simultaneously, the embodiment of the utility model provides a be provided with energy storage battery in the power module of storage formula bispectrum type nature gamma energy spectrum logging instrument, this energy storage battery can set up in the nipple joint, and this nipple joint can set up independently for storage formula bispectrum type nature gamma energy spectrum logging instrument has independent nipple joint mode, with other instrument mutually noninterferes in the pit, thereby can improve the success rate of logging.
Drawings
FIG. 1 is a block diagram of a storage-type dual-spectrum natural gamma-ray spectroscopy logging tool according to an embodiment of the present invention;
fig. 2 is a block diagram of another storage type dual-spectrum natural gamma ray spectrum logging tool according to an embodiment of the present invention;
fig. 3 is a block diagram of another storage type dual-spectrum natural gamma ray spectrum logging tool according to an embodiment of the present invention;
fig. 4 is a block diagram of a power module according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
The embodiment of the utility model provides a two spectrum type nature gamma-ray spectroscopy logging instruments of storage formula, this storage formula logging instrument can be when oil drilling, carries out the logging. Fig. 1 is a structural block diagram of a storage-type dual-spectrum natural gamma-ray spectroscopy logging instrument provided in an embodiment of the present invention, as shown in fig. 1, the storage-type dual-spectrum natural gamma-ray spectroscopy logging instrument includes an instrument main body 10, a data acquisition processor 20, a high-voltage module 30, a storage module 40, and a power module 50. Wherein, the power module 50 is provided with an energy storage battery 510, and the energy storage battery 510 can provide power supply for the instrument main body 10, the data acquisition processor 20, the high voltage module 30 and the storage module 40 of the storage type dual-spectrum natural gamma-ray spectrum logging instrument, so that each module of the storage type dual-spectrum natural gamma-ray spectrum logging instrument can directly work underground, and real-time processing, analysis and storage of data are realized.
A detection element 110 and a spectrum stabilizing element 120 are arranged in the instrument body, wherein the detection element 110 can receive detection signals emitted by different energy elements of underground formations such as potassium, thorium, uranium and the like, can be gamma-ray signals, and can also detect reference signals emitted by the spectrum stabilizing element; wherein spectrum stabilization element 120 is capable of providing a reference signal within the well.
The data acquisition processor 20 is electrically connected with the detection element 110 and can acquire detection signals sent by the substances in the well received by the detection element 110; the data acquisition processor 20 is electrically connected with the detection element 110, the spectrum stabilizing element 120 and the high voltage module 30 respectively, and can acquire the in-well reference signal provided by the spectrum stabilizing element 120 and the in-well detection signal received by the detection element 110; in this case, the data acquisition processor 20 can also output a regulation signal to the high voltage module 30 according to the borehole reference signal provided by the spectrum stabilizing element 120 to control the high voltage module 30 to output a correction signal, which may be a voltage signal, for example, to the detecting element 110 and the spectrum stabilizing element 120. The data acquisition processor 20 may compare the standard signal of the spectrum stabilizing element 120 with the downhole reference signal provided by the spectrum stabilizing element 120, and output a control signal to the high voltage module 30 according to the comparison result, so that the high voltage module 30 outputs a correction signal to the spectrum stabilizing element 120 and the detecting element 110, and corrects the spectrum stabilizing element 120 and the detecting element 110 simultaneously, until the downhole reference signal provided by the spectrum stabilizing element 120 matches the standard signal of the spectrum stabilizing element 120, and the acquired detection signal is stored as storage data. In addition, the data acquisition processor 20 is also electrically connected to a storage module 40, and the storage module 40 can receive the storage data output by the data acquisition processor 20 and store the storage data.
So, storage battery through power module provides power supply for other structures of storage formula bispectrum type nature gamma energy spectrum logging instrument, and adopt data acquisition treater according to the reference signal that the stationary spectrum component provided, control high-voltage module and rectify the reference signal that the stationary spectrum component provided and the detecting signal that detecting element received, and to store the data after rectifying in storage module, thereby can rectify the while storage to the detecting signal, the accuracy and the real-time of storage data have been improved, can improve data processing's efficiency simultaneously.
It should be noted that fig. 1 is only the structural diagram of the storage type dual-spectrum natural gamma ray spectrum logging instrument provided by the embodiment of the present invention, the real-time structural diagram of the present invention only represents the connection relationship between the structures of the storage type dual-spectrum natural gamma ray spectrum logging instrument, and does not represent the relative position relationship between the structures.
Optionally, fig. 2 is a block diagram of another storage type dual-spectrum natural gamma-ray spectroscopy logging instrument according to an embodiment of the present invention. As shown in fig. 2, the detection element 110 is capable of receiving a detection signal, which may be, for example, a radioactive source within a well being detected; the detecting element 110 includes a detecting crystal 112, and the detecting crystal 112 may be, for example, a sodium iodide crystal or a cobalt iodide crystal.
Optionally, as shown in fig. 2, a first photomultiplier 111 is further disposed in the detection element 110, and the detection crystal 112 of the detection element 110 is electrically connected to the first photomultiplier 111. An optical coupler may also be disposed between the detection crystal 112 and the first photomultiplier 111 to ensure that the detection crystal 112 can be in sufficient contact with the first photomultiplier 111 to ensure that the detection signal has a high intensity. Wherein, one end of the first photomultiplier 111 is electrically connected with the detecting crystal 112, and the other end is electrically connected with the data acquisition processor 20; the first photomultiplier 111 converts the detection signal received by the detection crystal into a corresponding electrical pulse signal, and outputs the electrical pulse signal to the data acquisition processor 20 electrically connected thereto.
Optionally, with continued reference to fig. 2, the spectrum stabilization component 120 can provide a reference signal, which can be, for example, a reference radiation source. The spectrum stabilizing element 120 includes a spectrum stabilizing crystal 122, the spectrum stabilizing crystal 122 may be, for example, a calcium fluoride crystal, a spectrum stabilizing source is disposed inside the spectrum stabilizing crystal 122, the spectrum stabilizing source may be, for example, an americium source, at this time, the americium source in the spectrum stabilizing crystal 122 may generate an α ray having an energy of 60Kev, the calcium fluoride crystal is utilized to receive the α ray, an graduation spectrum is generated, and a single energy peak spectrum shape is formed.
Optionally, with continued reference to fig. 2, a second photomultiplier tube 121 is also disposed in the spectrum stabilizing element 120. The spectrum stabilizing crystal 122 of the spectrum stabilizing element 120 is electrically connected to the second photomultiplier 121, and an optical coupler may be further disposed between the spectrum stabilizing crystal 122 and the second photomultiplier 121 to ensure that the spectrum stabilizing crystal 122 can be in full contact with the second photomultiplier 121 and ensure that the reference signal has high intensity; one end of the second photomultiplier 121 is electrically connected with the spectrum stabilizing crystal 122, and the other end of the second photomultiplier 121 is electrically connected with the data acquisition processor 20; the second photomultiplier 121 is capable of converting the reference signal provided by the spectrum stabilizing crystal 122 into a corresponding electrical pulse signal, and outputting the electrical pulse signal to the data acquisition processor 20 electrically connected thereto.
At this time, the α ray absorbed by the spectrum stabilizing crystal 122 in the spectrum stabilizing element 120 becomes a reference signal, the reference signal is converted into photoelectrons by the second photomultiplier 121, and the amplified function of the photoelectrons outputs a voltage to generate an energy spectrum, i.e., a correction spectrum; meanwhile, the detection crystal 112 in the detection element 110, i.e., a sodium iodide crystal or a cesium iodide crystal, can absorb gamma rays emitted by an americium source in a spectrum stabilizing crystal 122, i.e., a calcium fluoride crystal, and gamma rays emitted by downhole substances, so that the two rays are converted into detection signals, the detection signals are converted into photoelectrons through the first photomultiplier 111, and the detection signals output voltages by using the amplification function of the photoelectrons, so that the voltages generated by the gamma rays emitted by the americium source are filtered, and an energy spectrum, i.e., a main spectrum, is generated. The spectrum peak of the correction spectrum of the spectrum stabilizing element is about 47 paths, but when the temperature rises, the number of main spectrum peaks is shifted to the left, and the number of correction spectrum peaks is also shifted to the left; the data acquisition processor 20 can know that the peak of the correction spectrum drifts by comparing the correction spectrum with the standard spectrum, and at this time, the data acquisition processor 20 sends a regulation signal to the high voltage module 30, so that the high voltage module 30 sends out a correction signal to correct the correction spectrum and the main spectrum at the same time, and stabilize the peak of the correction spectrum at 47 paths and the main spectrum at the same time. When the temperature is decreased, the process is reversed, and reference is made to the above description of the process when the temperature is increased, and the description is not repeated here.
Optionally, fig. 3 is a block diagram of another storage type dual-spectrum natural gamma-ray spectroscopy logging instrument according to an embodiment of the present invention. As shown in fig. 3, the data acquisition processor 20 may include a data acquisition chip 210 and a data processor 220; the data acquisition chip 210 is electrically connected with the detection element 110 and the spectrum stabilizing element 120 respectively to acquire the detection signal received by the detection element 110 and the reference signal provided by the spectrum stabilizing element 120; the data processor 220 is electrically connected to the data acquisition chip 210, and the data processor 220 can output a control signal to the high voltage module 30 or output storage data to the storage module 40 according to the detection signal and the reference signal acquired by the data acquisition chip 210. When the data processor 220 outputs the regulation signal to the high voltage module 30, the high voltage module 30 outputs a correction signal to the detection element 110 and the spectrum stabilizing element 120 to correct the detection signal of the detection element 110 and the reference signal of the spectrum stabilizing element 120, and at this time, the data acquisition chip 210 acquires the corrected detection signal and the corrected reference signal; when the corrected reference signal matches the standard signal, the detected signal may be stored in the storage module 40. In addition, the high voltage module 30 may also be electrically connected to the storage module 40, and the storage module 40 may also store the correction signal output by the high voltage module 30.
Therefore, the data acquisition chip of the data acquisition processor can acquire the detection signal received by the detection element and the reference signal provided by the spectrum stabilizing element, and the data processor can output a regulation signal to the high-voltage module or output storage data to the storage module according to the detection signal and the reference signal acquired by the data acquisition chip so as to improve the working efficiency of the storage type dual-spectrum natural gamma-ray spectrum logging instrument.
Optionally, fig. 4 is a block diagram of a power module structure provided in the embodiment of the present invention. As shown in fig. 3 and 4, the power module 50 may also include a nipple. The short section comprises a battery placing cavity 525, the battery placing cavity 525 is provided, and an energy storage battery 510 is placed in the battery placing cavity 525. Wherein, nipple joint and instrument main part 10 are connected, and this nipple joint can also include nipple joint body 521, top connection 522, lower clutch 523 and hollow pipeline 524, and battery is placed chamber 525 and is located between nipple joint body 521 lateral wall and hollow pipeline 524.
Therefore, the energy storage battery of the power supply module is placed in the battery placing cavity of the short section, so that the stable work of the energy storage battery in the power supply module is facilitated; meanwhile, the battery placing cavity is placed in the short section, an independent power supply is adopted for supplying power, an independent chip is used for carrying out data processing and measurement while drilling, measurement can be kept for a long time in the pit and is not interfered with other underground instruments, and therefore the operation stability and reliability of the storage type dual-spectrum natural gamma-ray spectrum logging instrument are improved.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (8)
1. A storage bispectrum type natural gamma spectrometry logging tool, comprising: the device comprises an instrument main body, a data acquisition processor, a high-voltage module, a storage module and a power supply module;
a detection element and a spectrum stabilizing element are arranged in the instrument main body; the detection element is used for receiving a detection signal in the well; the spectrum stabilizing element is used for providing a borehole reference signal;
the data acquisition processor is electrically connected with the detection element and the spectrum stabilizing element respectively; the data acquisition processor is used for acquiring the detection signal and the reference signal and outputting a regulation signal;
the high-voltage module is electrically connected with the data acquisition processor; the high-voltage module is used for receiving the regulation and control signal and outputting a correction signal to the detection element and the spectrum stabilizing element;
the storage module is electrically connected with the data acquisition processor; the storage module is used for receiving the storage data output by the data acquisition processor and storing the storage data;
the power supply module comprises an energy storage battery which is respectively and electrically connected with the instrument main body, the data acquisition processor, the high-voltage module and the storage module; the energy storage battery is used for providing power signals for the instrument main body, the data acquisition processor, the high-voltage module and the storage module.
2. A storage-type bi-spectral natural gamma ray spectroscopy tool according to claim 1 wherein the power module further comprises a sub;
the short section is connected with the instrument main body; the nipple comprises a battery placing cavity; the energy storage battery is placed in the battery placing cavity.
3. The storage bispectral natural gamma spectrometry logging instrument of claim 1, wherein the data acquisition processor comprises a data acquisition chip and a data processor;
the data acquisition chip is electrically connected with the detection element and the spectrum stabilizing element respectively; the data acquisition chip is used for acquiring the detection signal and the reference signal;
the data processor is electrically connected with the data acquisition chip, the high-voltage module and the storage module respectively; the data processor is used for outputting a regulation signal to the high-voltage module or outputting storage data to the storage module according to the detection signal and the reference signal acquired by the data acquisition chip.
4. A storage bispectral natural gamma ray spectroscopy tool according to claim 1 wherein the detection element comprises a detection crystal; the detection crystal comprises a sodium iodide crystal or a brilliant iodide crystal.
5. A storage bispectral natural gamma ray spectroscopy tool according to claim 4 wherein the detection element further comprises a first photomultiplier tube;
one end of the first photomultiplier is electrically connected with the detection crystal, and the other end of the first photomultiplier is electrically connected with the data acquisition processor.
6. A storage bispectral natural gamma ray spectroscopy tool according to claim 1 wherein the spectrum stabilizing element comprises a calcium fluoride crystal; a spectrum stabilizing source is arranged in the calcium fluoride crystal.
7. A storage-type bispectral natural gamma ray spectroscopy tool according to claim 6, wherein the spectrum stabilization source comprises an americium source.
8. A storage bispectral natural gamma ray spectroscopy tool according to claim 6 wherein the spectrum stabilizing element further comprises a second photomultiplier tube;
one end of the second photomultiplier is electrically connected with the spectrum stabilizing crystal, and the other end of the second photomultiplier is electrically connected with the data acquisition processor.
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| CN202021059977.8U CN212479212U (en) | 2020-06-09 | 2020-06-09 | Storage type dual-spectrum natural gamma-ray energy spectrum logging instrument |
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| CN202021059977.8U CN212479212U (en) | 2020-06-09 | 2020-06-09 | Storage type dual-spectrum natural gamma-ray energy spectrum logging instrument |
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Address after: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee after: Jiai (Tianjin) automatic control intelligent equipment Co.,Ltd. Address before: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee before: JIAI (TIANJIN) PETROLEUM ENGINEERING Co.,Ltd. |
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Address after: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee after: Jichen Intelligent Equipment Group Co.,Ltd. Address before: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee before: Jiai (Tianjin) automatic control intelligent equipment Co.,Ltd. |
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