CN213175619U - Small-bore horizontal well storage and cementing quality detector and logging system - Google Patents
Small-bore horizontal well storage and cementing quality detector and logging system Download PDFInfo
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- CN213175619U CN213175619U CN202022086043.XU CN202022086043U CN213175619U CN 213175619 U CN213175619 U CN 213175619U CN 202022086043 U CN202022086043 U CN 202022086043U CN 213175619 U CN213175619 U CN 213175619U
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Abstract
The utility model discloses a slim hole horizontal well storage well cementation quality detector and logging system has solved current detector function singleness, has measured then takes trouble hard problem. In the small-bore horizontal well storage and cementing quality detector, a high-voltage pulse signal unit provides a controlled sound wave vibration source through a transmitting probe; the waveform processing unit is used for generating a sound wave amplitude logging Curve (CBL) and a sound wave variable density logging curve (VDL); the magnetic positioning processing unit is used for generating a magnetic positioning logging curve (CCL); the natural gamma processing unit is used for generating a natural gamma logging curve (GR); the output ends of the waveform processing unit, the magnetic positioning processing unit and the natural gamma processing unit are respectively connected with the ARM processor, and the storage unit stores logging data. The instrument is high in integration level, can support the simultaneous acquisition of four logging curves of CBL, VDL, GR and CCL, and is high in stability and reliability.
Description
Technical Field
The utility model relates to a detector in the pit, concretely relates to slim hole horizontal well storage well cementation quality detector and logging system.
Background
Most of the global energy needs still have to be met by means of fossil fuels, both currently and for a considerable time in the future. Therefore, there is a need in the oil and gas industry to enhance exploration and development activities to meet future energy needs.
In the current oil and gas exploration and development process, more and more slim-hole horizontal wells are generated. The existing logging device is independent in testing function, although various testing technologies are mature, the underground condition of a slim-hole horizontal well is complex, the logging device with a single function cannot meet the logging requirement, and if multiple logging devices are adopted for simultaneous measurement, the logging device is troublesome and laborious.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the current detector function is single, the measurement is then troublesome and laborious.
For the purpose of realizing, the utility model provides a slim hole horizontal well storage well cementation quality detector, its technical scheme as follows:
a slim-hole horizontal well storage and cementing quality detector comprises an ARM processor, a high-voltage pulse signal unit, a transmitting probe, a receiving probe, a signal acquisition unit, a waveform processing unit, a magnetic positioning processing unit, a natural gamma processing unit, a storage unit and a power management unit; the first control output end of the ARM processor is connected to the transmitting probe through the high-voltage pulse signal unit and used for providing a controlled sound wave vibration source; the signal acquisition unit is used for acquiring three-ruler and five-ruler sound wave signals, magnetic positioning signals and instrument working state signals; the waveform processing unit is connected with the first output end of the signal acquisition unit and is used for generating a sound wave amplitude logging Curve (CBL) and a sound wave variable density logging curve (VDL); the magnetic positioning processing unit is connected with a second output end of the signal acquisition unit and used for generating a magnetic positioning logging curve (CCL); the natural gamma processing unit is used for generating a natural gamma logging curve (GR); the output ends of the waveform processing unit, the magnetic positioning processing unit and the natural gamma processing unit are respectively connected with the ARM processor; the storage unit is also connected with the ARM processor and used for storing logging data.
Furthermore, the ARM processor, the signal acquisition unit, the waveform processing unit, the magnetic positioning processing unit and the storage unit are integrated on the same mainboard.
Further, the high-voltage pulse signal unit comprises a boosting module and a switching tube, wherein the boosting module is used for boosting 24V to 170V, and the switching tube is used for driving the transducer to form a controlled sound wave vibration source.
Furthermore, the waveform processing unit is divided into two paths of signals corresponding to three and five scales, and each path comprises a differential amplifying circuit, a band-pass filter circuit and an amplifying circuit which are connected in sequence.
Further, the storage unit is composed of two mutually independent storages, wherein one of the storages is used as a main storage and the other storage is used as a backup storage.
Furthermore, the signal acquisition unit comprises two paths of 16-bit high-speed ADCs and four paths of 12-bit low-speed ADCs, wherein the high-speed ADCs are used for acquiring three-ruler and five-ruler sound wave signals, and the low-speed ADCs are used for acquiring magnetic positioning signals and instrument working state signals.
Further, the power management unit comprises a battery pack for providing low-voltage direct current power supply for the power management unit.
Based on the slim-hole horizontal well storage and cementing quality detector, the slim-hole horizontal well storage and cementing quality detector can also form a slim-hole horizontal well storage logging system together with a ground depth metering device and a logging full data processing unit, wherein the slim-hole horizontal well storage and cementing quality detector and the ground depth metering device are respectively connected to the logging full data processing unit through USB data lines.
Compared with the prior art, the utility model has the advantages of it is following:
the instrument integration level is high, can support to obtain four well logging curves of CBL, VDL, GR, CCL simultaneously, and stability and reliability are high.
Based on the digital integrated circuit technology, the device is beneficial to optimizing the size of the instrument, and is convenient to use and simple to maintain.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of the structure principle of the present invention;
fig. 2 is a schematic diagram of the overall system configuration of the present invention.
Detailed Description
As shown in fig. 1 and 2, the instrument for detecting the quality of the small-bore horizontal well storage and cementing comprises an ARM processor, a high-voltage pulse signal unit, a transmitting probe, a receiving probe, a signal acquisition unit, a waveform processing unit, a magnetic positioning processing unit, a natural gamma processing unit, a storage unit and a power management unit. The first control output end of the ARM processor is connected to the transmitting probe through the high-voltage pulse signal unit and used for providing a controlled sound wave vibration source (sound system); the signal acquisition unit is used for acquiring three-ruler and five-ruler sound wave signals, magnetic positioning signals and instrument working state signals; the waveform processing unit is connected with the first output end of the signal acquisition unit and is used for generating a sound wave amplitude logging Curve (CBL) and a sound wave variable density logging curve (VDL); the magnetic positioning processing unit is connected with a second output end of the signal acquisition unit and used for generating a magnetic positioning logging curve (CCL); the natural gamma processing unit is used for generating a natural gamma logging curve (GR); the output ends of the waveform processing unit, the magnetic positioning processing unit and the natural gamma processing unit are all connected with the ARM processor; the storage unit is also connected with the ARM processor and used for storing logging data.
Specifically, the method comprises the following steps:
a storage unit: the data storage device is composed of two independent 8G memories, one is main storage and the other is backup storage during data storage, the two data independent storages are not interfered with each other, and when one storage data is damaged, the other backup data can be used.
A waveform processing unit: each path of the three-ruler and the five-ruler is composed of differential amplification, filtering and program control amplification, signals enter a filtering circuit after differential amplification, unnecessary high-frequency and low-frequency signals are filtered out, and the signals are amplified to proper amplitude through program control amplification.
A magnetic positioning processing unit: the differential amplifier circuit comprises a protection circuit, a reference voltage and a differential amplification circuit.
A natural gamma processing unit: the device consists of a natural gamma signal processing circuit, a series voltage-stabilized power supply, a signal following circuit, a signal comparison and shaping circuit, a high-voltage rod, a photomultiplier and a sodium iodide scintillator.
A signal acquisition unit: the device comprises 2 paths of 16-bit high-speed ADCs and 4 paths of low-speed 12 ADCs, wherein the high-speed ADCs are used for collecting three-ruler signals and five-ruler signals, and the low-speed ADCs are used for collecting CCL signals and instrument working state signals.
High-voltage pulse signal unit: the energy converter consists of a boosting module and a switching tube, wherein the boosting module generates 170V high voltage for 24V, and the high voltage drives the energy converter to work through the switching tube.
A power management unit: the battery detects the voltage and current of the battery in real time in the discharging process, provides stable working voltage for the instrument and detects the working state of the battery.
In addition, a ground depth metering device is also arranged and is connected to the ARM processor (mainboard) through a data interface line.
The small-bore horizontal well storage cementing quality detector can be used for detecting the cementing quality of a horizontal well in coal bed gas exploration, recording the amplitude of the first wave of a casing wave in the casing to reflect the cementing quality of the casing and cement in the well, recording a sonic wave train variable density diagram, and analyzing the cementing quality between a cement ring and a stratum by explaining the variable density diagram; the magnetic positioning and natural gamma signals may provide a basis for subsequent operation of the wellbore.
As shown in fig. 2, based on the slim-hole horizontal well storage and cementation quality detector, the slim-hole horizontal well storage and cementation quality detector and the logging full-data processing unit can also form a slim-hole horizontal well storage logging system, and the slim-hole horizontal well storage and cementation quality detector and the ground depth measuring device are respectively connected to the logging full-data processing unit through USB data lines.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (8)
1. A slim-hole horizontal well storage and cementing quality detector is characterized by comprising an ARM processor, a high-voltage pulse signal unit, a transmitting probe, a receiving probe, a signal acquisition unit, a waveform processing unit, a magnetic positioning processing unit, a natural gamma processing unit, a storage unit and a power management unit; the first control output end of the ARM processor is connected to the transmitting probe through the high-voltage pulse signal unit and used for providing a controlled sound wave vibration source; the signal acquisition unit is used for acquiring three-ruler and five-ruler sound wave signals, magnetic positioning signals and instrument working state signals; the waveform processing unit is connected with the first output end of the signal acquisition unit and is used for generating a sound wave amplitude logging Curve (CBL) and a sound wave variable density logging curve (VDL); the magnetic positioning processing unit is connected with a second output end of the signal acquisition unit and used for generating a magnetic positioning logging curve (CCL); the natural gamma processing unit is used for generating a natural gamma logging curve (GR); the output ends of the waveform processing unit, the magnetic positioning processing unit and the natural gamma processing unit are respectively connected with the ARM processor; the storage unit is also connected with the ARM processor and used for storing logging data.
2. The slim hole horizontal well storage and cementing quality detector according to claim 1, wherein the ARM processor, the signal acquisition unit, the waveform processing unit, the magnetic positioning processing unit and the storage unit are integrated on the same main board.
3. The instrument for detecting the storage and cementing quality of the slim hole horizontal well according to claim 1, wherein the high-voltage pulse signal unit comprises a boosting module and a switching tube, the boosting module is used for boosting the voltage of 24V to 170V, and the switching tube drives the transducer to form a controlled sound wave vibration source.
4. The slim hole horizontal well storage and cementing quality detector according to claim 1, wherein the waveform processing unit is divided into two paths of signals corresponding to three and five feet, and each path comprises a differential amplifying circuit, a band-pass filter circuit and an amplifying circuit which are connected in sequence.
5. The slim hole horizontal well storage cementing quality detector according to claim 1, wherein the storage unit is composed of two mutually independent storages, one of which is used as a main storage and the other is used as a backup storage.
6. The slim hole horizontal well storage and cementing quality detector according to claim 1, wherein the signal acquisition unit comprises two paths of 16-bit high-speed ADCs and four paths of 12-bit low-speed ADCs, wherein the high-speed ADCs are used for acquiring three-ruler and five-ruler sound wave signals, and the low-speed ADCs are used for acquiring magnetic positioning signals and instrument working state signals.
7. The slim hole horizontal well storage and cementing quality detector according to claim 1, further comprising a battery pack for providing a low voltage DC power supply to the power management unit.
8. A slim hole horizontal well storage type well logging system is characterized by comprising the slim hole horizontal well storage and well cementation quality detector, a ground depth metering device and a well logging full data processing unit, wherein the slim hole horizontal well storage and well cementation quality detector and the ground depth metering device are respectively connected into the well logging full data processing unit through USB data lines.
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| CN202022086043.XU CN213175619U (en) | 2020-09-22 | 2020-09-22 | Small-bore horizontal well storage and cementing quality detector and logging system |
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| CN202022086043.XU CN213175619U (en) | 2020-09-22 | 2020-09-22 | Small-bore horizontal well storage and cementing quality detector and logging system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198094A (en) * | 2021-12-27 | 2022-03-18 | 河北环鼎石油设备有限责任公司 | Time-depth data correction method, system and device for storage well cementation |
| CN115788421A (en) * | 2023-02-14 | 2023-03-14 | 山东交通学院 | Integrated natural gamma energy spectrum logging instrument |
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2020
- 2020-09-22 CN CN202022086043.XU patent/CN213175619U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198094A (en) * | 2021-12-27 | 2022-03-18 | 河北环鼎石油设备有限责任公司 | Time-depth data correction method, system and device for storage well cementation |
| CN115788421A (en) * | 2023-02-14 | 2023-03-14 | 山东交通学院 | Integrated natural gamma energy spectrum logging instrument |
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