CN211115977U - Electromagnetic wave orientation resistivity measuring instrument while drilling - Google Patents
Electromagnetic wave orientation resistivity measuring instrument while drilling Download PDFInfo
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- CN211115977U CN211115977U CN201921223308.7U CN201921223308U CN211115977U CN 211115977 U CN211115977 U CN 211115977U CN 201921223308 U CN201921223308 U CN 201921223308U CN 211115977 U CN211115977 U CN 211115977U
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Abstract
The application provides a measurement instrument for the azimuthal resistivity of electromagnetic waves while drilling, which comprises a detection short section; and two ends of the detection short section are respectively connected with a corresponding drill bit and a corresponding screw rod for detecting the resistivity of the stratum where the detection short section is located. According to the technical scheme provided by the embodiment of the application, the detection short section is installed between the drill bit and the screw rod, the measuring point is close to the drill bit, the formation resistivity information at the drill bit can be measured in real time, the resistivity can be timely adjusted when changing, and the working efficiency can be effectively improved.
Description
Technical Field
The application relates to the technical field of drilling, in particular to a measurement instrument for measuring the orientation resistivity of an electromagnetic wave while drilling.
Background
The near-bit while-drilling electromagnetic wave azimuth resistivity measurement mainly aims to judge an oil-gas-water layer by determining the physical quantity of the resistivity of an underground rock stratum and provide indispensable geological measurement parameters for drilling engineering; the method has wide application range, and comprises various drilling engineering technologies such as a highly deviated well, a large displacement well, a branch well, a horizontal well (especially a thin layer horizontal well) and the like in the land and offshore oil and gas development.
At present, the resistivity of the electromagnetic wave while drilling is mainly hung behind a screw or a rotary guide, a measuring point is far away from a drill bit, if the formation resistivity measurement changes, the drill bit actually exceeds the measured formation, and the readjustment takes time and labor.
Disclosure of Invention
In view of the above-mentioned shortcomings or drawbacks of the prior art, it is desirable to provide an electromagnetic wave azimuthal resistivity measuring instrument while drilling.
The application provides a measurement instrument for the azimuthal resistivity of electromagnetic waves while drilling, which comprises a detection short section; and two ends of the detection short section are respectively connected with a corresponding drill bit and a corresponding screw rod for detecting the resistivity of the stratum where the detection short section is located.
Furthermore, the device also comprises a communication module; the communication module is positioned in the screw rod; the communication module is in signal connection with the control center and is configured to transmit data to the control center.
Further, a control module is arranged inside the detection short section; the control module is in signal connection with the communication module and is configured to upload the processed data to the communication module.
Furthermore, an orientation module is also arranged in the screw; the azimuth module is in signal connection with the control module and is configured for detecting the rotation angle of the detection short section to complete azimuth measurement of azimuth resistivity.
Furthermore, a transmitting antenna and a receiving antenna are arranged inside the detection short section; the transmitting antenna and the receiving antenna are respectively and electrically connected with the antenna matching module.
Furthermore, the control module is in signal connection with the antenna matching module and is configured to send a signal transmitting instruction to the antenna matching module, receive signal receiving data uploaded by the antenna matching module and process the data.
Further, the receiving antenna comprises two vertical antennas and a horizontal antenna; the vertical antenna is annular and is positioned on the inner wall of the detection short section; the horizontal antenna is located between the two vertical antennas and perpendicular to the vertical antennas.
Furthermore, the transmitting antenna is annular and is arranged on the inner wall of the detection short section; the transmitting antenna is positioned on one side of the vertical antenna away from the horizontal antenna.
Furthermore, a strip-shaped hole for passing through the electromagnetic wave is formed in the detection short section corresponding to the transmitting antenna and the receiving antenna.
Furthermore, a power supply element is arranged inside the screw rod.
The application has the advantages and positive effects that: the detection nipple is arranged between the drill bit and the screw rod, the measuring point is close to the drill bit, formation resistivity information at the drill bit can be measured in real time, the resistivity can be timely adjusted when changing, and the working efficiency can be effectively improved.
According to the technical scheme provided by some embodiments of the application, the direction of the resistivity change of the stratum can be identified through the azimuth module, so that the azimuth from which the instrument passes through the stratum can be determined, and great help is provided for engineering.
Drawings
FIG. 1 is a schematic structural diagram of an electromagnetic wave orientation resistivity measurement while drilling instrument provided in an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a detection nipple of the measurement instrument for electromagnetic wave azimuthal resistivity while drilling provided by the embodiment of the present application.
The text labels in the figures are represented as: 100-detecting short joints; 110-a transmitting antenna; 120-a receiving antenna; 130-an antenna matching module; 140-a control module; 200-a drill bit; 300-a screw; 310-a communication module; 320-orientation module; 330-supply elements.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
Referring to fig. 1, the present embodiment provides an electromagnetic wave azimuthal resistivity measurement while drilling instrument, including a probe sub 100; two ends of the detection short joint 100 are respectively connected with a corresponding drill bit 200 and a corresponding screw rod; the detection nipple is arranged between the drill bit and the screw rod, the measuring point is close to the drill bit, formation resistivity information at the drill bit can be measured in real time, the resistivity can be timely adjusted when changing, and the working efficiency can be effectively improved.
In a preferred embodiment, the screw 300 further comprises a communication module 310, wherein the communication module 310 is located inside the screw 300, and the communication module 310 is in signal connection with the control center and configured to transmit data to the control center.
In a preferred embodiment, the probe sub 100 is provided with a control module 140 therein, and the control module 140 is further in signal connection with the communication module 310 and configured to upload the result of the geological analysis to the communication module 130.
In a preferred embodiment, the inside of the screw 300 is further provided with an orientation module 320, the orientation module 320 is in signal connection with the control module 140, and after a certain state of the probe sub 100 is defined as an initial state, the orientation module 320 can detect the angle of the probe sub 100 along the axis in real time, and provide orientation information for measuring the orientation resistivity, so as to determine which orientation the instrument passes through the formation from, and provide great help for the engineering.
Referring further to fig. 2, in a preferred embodiment, a transmitting antenna 110 and a receiving antenna 120 are disposed inside the probe sub 100; the transmitting antenna 110 and the receiving antenna 120 are electrically connected to the antenna matching module 130, respectively; the antenna matching module 130 controls the transmitting antenna 110 to transmit the electromagnetic wave signals of 2MHz and 400KHz, and controls the receiving antenna to receive the electromagnetic wave signals of 2MHz and 400 KHz.
In a preferred embodiment, the control module 140 is in signal connection with the antenna matching module 130, and configured to send a signal transmission instruction to the antenna matching module 130, receive signal reception data uploaded by the antenna matching module 130, and obtain the azimuthal resistivity of the formation in combination with the angle data uploaded by the azimuthal module 320.
In a preferred embodiment, the receiving antenna 120 includes two vertical antennas and one horizontal antenna; the vertical antenna is annular and is positioned on the inner wall of the detection short section 100; the horizontal antenna is located between the two vertical antennas and perpendicular to the vertical antennas.
In a preferred embodiment, the transmitting antenna 110 is annular and is installed on the inner wall of the probe sub 100, and the transmitting antenna 110 is disposed near one end of the screw 300 and is located on the side of the vertical antenna away from the horizontal antenna.
In a preferred embodiment, the detecting nipple 100 is provided with strip-shaped holes corresponding to the transmitting antenna 110 and the receiving antenna 120 for passing electromagnetic waves, so that the detecting nipple 100 is prevented from weakening electromagnetic wave signals, and the detection effect is effectively improved.
In a preferred embodiment, a power supply unit 330 is further disposed inside the screw 300, and the power supply unit 330 supplies power to each power utilization module.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (10)
1. An electromagnetic wave orientation resistivity measuring instrument while drilling is characterized by comprising a detection short joint (100); and two ends of the detection short section (100) are respectively connected with a corresponding drill bit (200) and a corresponding screw (300) and are used for detecting the resistivity of the stratum where the detection short section is located.
2. The electromagnetic wave azimuthal resistivity measuring while drilling instrument of claim 1, further comprising a communication module (310); the communication module (310) is positioned inside the screw rod (300); the communication module (310) is in signal connection with a control center and is configured to transmit data to the control center.
3. The while-drilling electromagnetic wave azimuthal resistivity measuring instrument as recited in claim 2, wherein a control module (140) is arranged inside the probe sub (100); the control module (140) is in signal connection with the communication module (310) and is configured to upload the processed data to the communication module (310).
4. The while-drilling electromagnetic wave orientation resistivity measuring instrument as recited in claim 3, characterized in that an orientation module (320) is further arranged inside the screw (300); the azimuth module (320) is in signal connection with the control module (140) and is configured to detect the rotation angle of the probe sub (100) and complete azimuth measurement of azimuth resistivity.
5. The electromagnetic wave azimuthal resistivity measuring while drilling instrument as recited in claim 3, characterized in that the probe sub (100) is internally provided with a transmitting antenna (110) and a receiving antenna (120); the transmitting antenna (110) and the receiving antenna (120) are respectively electrically connected with an antenna matching module (130).
6. The electromagnetic wave azimuthal resistivity measuring while drilling instrument as recited in claim 5, wherein the control module (140) is in signal connection with the antenna matching module (130), and is configured to send a signal transmission instruction to the antenna matching module (130), receive signal reception data uploaded by the antenna matching module (130), and process the signal reception data.
7. The electromagnetic wave azimuthal resistivity measuring while drilling instrument as recited in claim 5, wherein the receiving antenna (120) comprises two vertical antennas and one horizontal antenna; the vertical antenna is annular and is positioned on the inner wall of the detection short section (100); the horizontal antenna is positioned between the two vertical antennas and is perpendicular to the vertical antennas.
8. The while-drilling electromagnetic wave azimuthal resistivity measuring instrument as recited in claim 7, wherein the transmitting antenna (110) is annular and is mounted on the inner wall of the probe sub (100); the transmitting antenna (110) is positioned on the side of the vertical antenna away from the horizontal antenna.
9. The electromagnetic wave azimuthal resistivity measuring while drilling instrument as recited in claim 8, wherein the probe sub (100) is provided with strip-shaped holes corresponding to the transmitting antenna (110) and the receiving antenna (120) for passing electromagnetic waves.
10. The while-drilling electromagnetic wave azimuthal resistivity measuring instrument as recited in claim 1, wherein a power supply element (330) is further disposed inside the screw (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921223308.7U CN211115977U (en) | 2019-07-31 | 2019-07-31 | Electromagnetic wave orientation resistivity measuring instrument while drilling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921223308.7U CN211115977U (en) | 2019-07-31 | 2019-07-31 | Electromagnetic wave orientation resistivity measuring instrument while drilling |
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| Publication Number | Publication Date |
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| CN211115977U true CN211115977U (en) | 2020-07-28 |
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| CN201921223308.7U Active CN211115977U (en) | 2019-07-31 | 2019-07-31 | Electromagnetic wave orientation resistivity measuring instrument while drilling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424957A (en) * | 2019-07-31 | 2019-11-08 | 奥瑞拓能源科技股份有限公司 | One kind is with brill electromagnetic wave azimuthal resistivity measuring instrument |
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2019
- 2019-07-31 CN CN201921223308.7U patent/CN211115977U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424957A (en) * | 2019-07-31 | 2019-11-08 | 奥瑞拓能源科技股份有限公司 | One kind is with brill electromagnetic wave azimuthal resistivity measuring instrument |
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