CN112065362B - Anti-interference type natural potential logging device and method - Google Patents

Anti-interference type natural potential logging device and method Download PDF

Info

Publication number
CN112065362B
CN112065362B CN202011013564.0A CN202011013564A CN112065362B CN 112065362 B CN112065362 B CN 112065362B CN 202011013564 A CN202011013564 A CN 202011013564A CN 112065362 B CN112065362 B CN 112065362B
Authority
CN
China
Prior art keywords
frame
natural potential
logging device
signal
operation converter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202011013564.0A
Other languages
Chinese (zh)
Other versions
CN112065362A (en
Inventor
韩春娟
芮法成
刘彦昌
张利国
郭福田
侯彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northeast Petroleum University
Original Assignee
Northeast Petroleum University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Northeast Petroleum University filed Critical Northeast Petroleum University
Priority to CN202011013564.0A priority Critical patent/CN112065362B/en
Publication of CN112065362A publication Critical patent/CN112065362A/en
Application granted granted Critical
Publication of CN112065362B publication Critical patent/CN112065362B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/30Assessment of water resources

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

The invention relates to the technical field of engineering detection, in particular to an anti-interference natural potential logging device and an anti-interference natural potential logging method. This application forms the shield assembly lid of magnetic field formula and closes in the well head position, and then guarantees the operation accuracy of detection end, reduces the interference of external electric wave.

Description

Anti-interference type natural potential logging device and method
Technical Field
The invention relates to engineering detection equipment, in particular to an anti-interference natural potential logging device and method.
Background
For modern society, a big data era has been entered, and network informatization is convenient in various regions, but certain defects exist, for example, for related technical operation monitoring in the field, external network information electric waves inevitably interfere detection.
Disclosure of Invention
The invention aims to provide an anti-interference natural potential logging device and an anti-interference natural potential logging method, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an anti-interference formula nature electric potential logging device, includes the frame, be provided with the operation converter in the frame, a plurality of digital control receiver of built-in installation of operation converter, the bottom of operation converter is provided with the chassis board, be provided with the support protective sheath on the chassis board, the signal end of digital control receiver erects in supporting the protective sheath, the equal downwardly extending of signal end of digital control receiver installs the stereoplasm connecting pipe, the electric lead has been worn in the stereoplasm connecting pipe, and the end of stereoplasm connecting pipe is provided with the detection end, the top of frame is provided with the protection frame, the both sides of protection frame are provided with the otter board that opens and shuts, the face outer end of opening and shutting the otter board is installed the down tube through the gim peg, the bottom of the both sides wall of frame all is provided with the bridging peg, the bottom of down tube is through block hook bridging peg, the top of frame is provided with the electromagnetism frame, the electromagnetism frame erects at the top of operation converter and sets up, be provided with the connection torch on the electromagnetism frame, the top of connection torch is provided with the insulation material structure, the inner chamber of connection torch, the current bar is connected to the shunt bar electricity connection of connection to the shunt bar, the operation converter is connected to the shunt connection of the overhead wire frame.
As a further scheme of the invention: a safety plug is arranged at the electric connector.
As a further scheme of the invention: the electromagnetism frame passes through the insulating support post and installs the top at the operation converter, the outside of electromagnetism frame is provided with insulating frame, insulating frame department is provided with a plurality of installation notches, the outside of insulating frame is provided with the linking and colludes the bolt.
As a further scheme of the invention: an insulating partition plate is padded between the electromagnetic frame and the operation converter.
As a further scheme of the invention: the electrode detection device is characterized in that an electrode acquisition terminal detector is arranged in the detection end, a fixed point position measurement module, a signal gathering module and a processor are arranged in the operation converter, the electrode acquisition terminal detector is externally connected with a GPS map display module, and a data output end of the processor is externally connected with a data storage module.
As a further scheme of the invention: the signal output end of the electrode acquisition terminal detector is a signal collecting module, and the information output end of the signal collecting module is connected with a processor.
As a further scheme of the invention: the data storage module may be a storage cloud.
For the above operation mechanism, the present application also discloses corresponding operation method steps for further explaining the present application:
step one, adjusting the signal frequency of a numerical control receiver, setting a signal frequency matched with each electrode acquisition terminal detector at the bottom, and feeding back the information frequency to a computer end;
step two, starting a GPS map display module, obtaining a geomorphic map of the area at a computer terminal through GPS map positioning, and determining corresponding measuring point positions according to the geomorphic map;
matching the determined measuring point position with a corresponding electrode acquisition terminal detector, and matching the acquisition terminal detector with a regulating numerical control receiver to form an upper-lower integrated butt joint frequency connection relation;
step four, unfolding the opening and closing screen plates arranged on the two sides of the protection frame, and forming a closed magnetic field protection net on the opening and closing screen plates by the electromagnetic frame;
and step five, collecting the information of each electrode acquisition terminal detector through a signal collecting module, correspondingly processing the information by a processor, and storing the data in a data storage module.
Compared with the prior art, the invention has the beneficial effects that:
the utility model provides a this application is provided with the otter board that opens and shuts in the both sides of protection frame, it opens and shuts the otter board and can expand and support through the down tube strut, the electromagnetism erects the top setting at the operation converter, through connect the electric work, with reposition of redundant personnel line frame circular telegram processing, reposition of redundant personnel line frame is netted the disposition on the otter board bottom plane that opens and shuts, and then forms the magnetic field of closed formula at the top of operation converter, the shield assembly who forms the magnetic field formula closes in the well head position, and then guarantees the operation accuracy of detection end, reduces the interference of external electric wave.
In order to further improve the safety of operation, the electromagnetic frame is arranged on the top of the operation converter through an insulating support column, an insulating partition plate is arranged on the electromagnetic frame in a cushioning mode, and the electromagnetic frame and the insulating support column are not in electric contact; the external installation component of electromagnetism frame all sets up in insulating frame, and the conducting rod is only electric output component to the maximize avoids the risk of electric leakage, even there is the damaged problem in the shell, as long as the conducting rod does not expose, can not produce the electric leakage risk promptly.
In order to further improve the accuracy of the multilevel detection, the method matches the detection structure with GPS positioning, obtains a geomorphologic map of the area at a computer end through GPS map positioning, determines the number of required measurement point positions and then achieves the operation effect of multi-point position acquisition; the processor processes the signal data and calculates the geological profile information of the well drilling; therefore, the three-dimensional comprehensive measurement is integrally formed, and the measurement is more accurate.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. Also, the drawings and the description are not intended to limit the scope of the present concepts in any way, but rather to illustrate the concepts of the present disclosure to those skilled in the art by reference to specific embodiments.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of an electromagnetic stand according to the present invention.
Fig. 3 is a flowchart illustrating a third exemplary embodiment of the present invention.
Fig. 4 is a schematic view of a top view of the operation converter according to the present invention.
Fig. 5 is a schematic view illustrating the installation of the hard coupling pipe according to the present invention.
In the figure: the system comprises a machine frame 1, an operation converter 11, a numerical control receiver 12, a chassis plate 14, a support protective sleeve 15, a hard connecting pipe 16, a detection end 17, a protection frame 21, an opening and closing screen plate 22, a steering bolt 23, a diagonal support rod 24, a bridging bolt 25, an electromagnetic frame 3, a flashlight 31, a flashlight 32, a contact head 33, a conducting rod 34, an incoming line 35, a shunt wire frame 37, a safety bolt 37, an insulating support column 41, an insulating outer frame 42, an engaging hook bolt 43, an installation notch 44, an insulating partition plate 45, a GPS map display module 51, a fixed-point positioning module 52, an electrode acquisition terminal detector 53, a signal collecting module 55, a processor 56 and a data storage module 57.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, examples of which are shown in the drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements, unless otherwise indicated.
It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1 and 5, an anti-interference natural potential logging device includes a frame 1, an operation converter 11 is disposed on the frame 1, a plurality of digital control receivers 12 are mounted in the operation converter 11, a bottom frame plate 14 is disposed at the bottom of the operation converter 11, a supporting protective sleeve 15 is disposed on the bottom frame plate 14, signal ends of the digital control receivers 12 are erected in the supporting protective sleeve 15, signal ends of the digital control receivers 12 extend downward and are provided with hard connecting pipes 16, electric leads penetrate through the hard connecting pipes 16, and a detection end 17 is disposed at the tail end of the hard connecting pipes 16.
Referring to fig. 1, 2 and 4, a protective frame 21 is disposed at the top of the machine frame 1, opening and closing mesh plates 22 are disposed at two sides of the protective frame 21, inclined support rods 24 are mounted at the outer ends of the faces of the opening and closing mesh plates 22 through steering bolts 23, bridging bolts 25 are disposed at the bottoms of two side walls of the machine frame 1, and the bottom ends of the inclined support rods 24 are bridged on the bridging bolts 25 through clamping hooks. The top of frame 1 is provided with electromagnetism frame 3, electromagnetism frame 3 erects the top setting at operation converter 11, be provided with on the electromagnetism frame 3 and connect torch 31, the top that connects torch 31 is provided with connects electrical head 32, the outer wall that connects torch 31 adopts insulating material structure, the inner chamber that connects torch 31 is provided with conducting rod 33, and the passing through of electrical head 32 is connected with conducting rod 33 and is the electricity through income streamline 34, the leading electrically conductive end of conducting rod 33 stretches into the inside to operation converter 11, the top of operation converter 11 is provided with reposition of redundant personnel line frame 35, conducting rod 33 is the electricity with reposition of redundant personnel line frame 35 and is connected, reposition of redundant personnel line frame 35 is connected to on the otter board 22 that opens and shuts and just is netted disposition on the otter board 22 base plane that opens and shuts, connects electrical head 32 department and is provided with safety cock 37.
The working principle of the invention is as follows: this application is put well logging under the rigid connection pipe 16, and its detection end 17 is the detection end, and numerical control receiver 12 is the data reception processing end. To reduce interference; this application is provided with the otter board 22 that opens and shuts in the both sides of protection frame 21, it opens and shuts the otter board 22 and can launch and support through oblique branch pole 24, electromagnetism frame 3 erects the top setting at operation converter 11, through connecing the electric operation, with reposition of redundant personnel line frame 35 circular telegram processing, reposition of redundant personnel line frame 35 is netted the arrangement on the otter board 22 otter board baseplanes that opens and shuts, and then form the magnetic field of closed form at the top of operation converter 11, the shield assembly who forms the magnetic field formula covers at the well head position, and then guarantee the operation accuracy of detection end 17, reduce the interference of external electric wave. Meanwhile, the safety plug 37 is arranged at the position of the power connection head 32, so that the leakage protection is realized, and the risk of short circuit and leakage is avoided.
The second embodiment:
referring to fig. 1, fig. 2 and fig. 4, the embodiment is a further optimization of the embodiment, on the basis that the electromagnetic frame 3 is installed on the top of the operation converter 11 through an insulating support column 41, an insulating outer frame 42 is disposed on the outer side of the electromagnetic frame 3, a plurality of installation slots 44 are disposed at the insulating outer frame 42, a connecting hook 43 is disposed on the outer side of the insulating outer frame 42, and an insulating partition plate 45 is disposed between the electromagnetic frame 3 and the operation converter 11.
In order to further improve the safety of the operation, the electromagnetic frame 3 is arranged on the top of the operation converter 11 through an insulating support column 41 and is padded with an insulating partition plate 45, and the electromagnetic frame and the operation converter are not in electric contact; the external installation component of electromagnetism frame 3 all sets up in insulating frame 42 for electricity output structure sets up in insulating structure completely, and conducting rod 33 is only electricity output component, thereby the maximize avoids the risk of electric leakage, even there is the damaged problem in the shell, as long as conducting rod 33 does not expose, can not produce the electric leakage risk promptly.
Example three:
referring to fig. 1 and fig. 3, this embodiment is a further optimization of the embodiment, on the basis that an electrode collecting terminal detector 53 is arranged in the detection end head 17, a fixed point positioning module 52, a signal summarizing module 55 and a processor 56 are arranged in the operation converter 11, the electrode collecting terminal detector 53 is externally connected with a GPS map display module 51, and a data output end of the processor 56 is externally connected with a data storage module 57. The signal output end of the electrode acquisition terminal detector 53 is a signal summarizing module 55, and the information output end of the signal summarizing module 55 is connected with a processor 56. The data storage module 57 may be a storage cloud.
In order to further improve the accuracy of the multilevel detection, the detection structure is matched with the GPS positioning, the independent signal frequency is set at the position of each electrode acquisition terminal detector 53, the landform map of the area is acquired at the computer terminal through the GPS map positioning, and the number of the required measurement point positions is determined. Then, the signal frequency is matched with the corresponding point location, and a data end of the signal frequency generates 'measuring point location 1, measuring point location 2 … … measuring point location N'; the 'measuring point position 1 and the measuring point position 2 … … measuring point position N' respectively correspond to 'an electrode acquisition terminal signal 1, an electrode acquisition terminal signal 2 and a … … electrode acquisition terminal signal N'; the operation effect of multi-point position acquisition is achieved; the processor processes the signal data and calculates the geological profile information of the well drilling; therefore, the three-dimensional comprehensive measurement is integrally formed, and the measurement is more accurate.
For the above-mentioned operating mechanism, this application still discloses an anti-interference formula natural potential well logging method for further explain this application: the method comprises the following steps:
step one, adjusting the signal frequency of the numerical control receiver 12, setting a signal frequency matched with the signal frequency at each electrode acquisition terminal detector 53 at the bottom, and feeding back the information frequency to a computer end;
step two, starting a GPS map display module 51, obtaining a geomorphic map of the area at a computer end through GPS map positioning, and determining a corresponding measuring point position according to the geomorphic map;
step three, matching the determined measuring point position with a corresponding electrode acquisition terminal detector 53, and matching the acquisition terminal detector 53 with the adjusting numerical control receiver 12 to form an upper and lower integrated butt joint frequency connection relation;
step four, unfolding the opening and closing screen plates 22 arranged on the two sides of the protective frame 21, and forming a closed magnetic field protective net on the electromagnetic frame 3 at the opening and closing screen plates 22;
and step five, collecting the information of each electrode acquisition terminal detector 53 through a signal summarizing module 55, correspondingly processing the information by a processor 56, and storing the data in a data storage module 57.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (9)

1. The utility model provides an anti-interference formula natural potential logging device, includes frame (1), be provided with operation converter (11) on frame (1), a plurality of numerical control receiver (12) are installed to operation converter (11) embeds, the bottom of operation converter (11) is provided with bottom plate (14), its characterized in that, the equal downwardly extending of signal end of numerical control receiver (12) and install stereoplasm connecting pipe (16), wear the electric lead in stereoplasm connecting pipe (16), the end of stereoplasm connecting pipe (16) is provided with detects end (17), the top of frame (1) is provided with protection frame (21), the both sides of frame (21) are provided with the otter board that opens and shuts (22), oblique branch (24) are installed through steering bolt (23) in the face of opening and shutting otter board (22) outer end, the bottom of the both sides wall of frame (1) all is provided with puts up bolt (25), the bottom of oblique branch (24) is put up on putting up bolt (25) through the block hook, the top of frame (1) is provided with electromagnetism frame (3), the top of operation converter (11) is provided with the insulating torch (31) and connects the material (31) and the torch (31) is provided with the connection structure, the inner chamber that connects torch (31) is provided with conducting rod (33), connects passing through of electric head (32) and goes into streamline (34) and conducting rod (33) and be the electricity and be connected, the leading electrically conductive end of conducting rod (33) stretches into the inside to operation converter (11), the top of operation converter (11) is provided with reposition of redundant personnel line frame (35), conducting rod (33) are the electricity with reposition of redundant personnel line frame (35) and are connected to respectively and open and shut above otter board (22) and be netted disposition on the otter board base plane of otter board (22) that opens and shuts of reposition of redundant personnel line frame (35).
2. The anti-interference natural potential logging device according to claim 1, wherein a supporting protective sleeve (15) is disposed on the chassis plate (14), and the signal end of the digital control receiver (12) is erected in the supporting protective sleeve (15).
3. The tamper-resistant natural potential logging device of claim 1, wherein a safety catch (37) is provided at the electrical connection head (32).
4. The anti-interference natural potential logging device according to claim 1, wherein the electromagnetic frame (3) is mounted on the top of the operation converter (11) through an insulating support column (41), an insulating outer frame (42) is arranged on the outer side of the electromagnetic frame (3), a plurality of mounting notches (44) are arranged at the insulating outer frame (42), and a linking hook bolt (43) is arranged on the outer side of the insulating outer frame (42).
5. The antijam natural potential logging device of claim 4, wherein an insulating spacer (45) is disposed between the electromagnetic stand (3) and the operation converter (11).
6. The anti-interference natural potential logging device according to claim 1, wherein an electrode acquisition terminal detector (53) is arranged in the detection end head (17), a fixed-point position measurement module (52), a signal summarizing module (55) and a processor (56) are arranged in the operation converter (11), the electrode acquisition terminal detector (53) is externally connected with a GPS map display module (51), and a data output end of the processor (56) is externally connected with a data storage module (57).
7. The anti-interference natural potential logging device according to claim 6, wherein the signal output end of the electrode collecting terminal detector (53) is a signal summarizing module (55), and the information output end of the signal summarizing module (55) is connected with a processor (56).
8. The tamper-resistant natural potential logging device of claim 6, wherein the data storage module (57) is a cloud storage.
9. A method of logging by a tamper resistant natural potential logging device according to any of claims 1-8, comprising the steps of:
step one, adjusting the signal frequency of a numerical control receiver (12), setting a signal frequency matched with each electrode acquisition terminal detector (53) at the bottom, and feeding back the information frequency to a computer end;
step two, starting a GPS map display module (51), acquiring a geomorphic graph at a computer end through GPS map positioning, and determining corresponding measuring point positions according to the geomorphic graph;
matching the determined measurement point position with a corresponding electrode acquisition terminal detector (53), and matching the electrode acquisition terminal detector (53) with the adjusting numerical control receiver (12) to form an upper-lower integrated butt joint frequency connection relation;
step four, unfolding the opening and closing screen plates (22) arranged at two sides of the protective frame (21), and forming a closed magnetic field protective net on the electromagnetic frame (3) at the opening and closing screen plates (22);
and step five, collecting information of each electrode acquisition terminal detector (53) through a signal collecting module (55), correspondingly processing the information by a processor (56), and storing data in a data storage module (57).
CN202011013564.0A 2020-09-24 2020-09-24 Anti-interference type natural potential logging device and method Expired - Fee Related CN112065362B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011013564.0A CN112065362B (en) 2020-09-24 2020-09-24 Anti-interference type natural potential logging device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011013564.0A CN112065362B (en) 2020-09-24 2020-09-24 Anti-interference type natural potential logging device and method

Publications (2)

Publication Number Publication Date
CN112065362A CN112065362A (en) 2020-12-11
CN112065362B true CN112065362B (en) 2023-03-31

Family

ID=73683373

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011013564.0A Expired - Fee Related CN112065362B (en) 2020-09-24 2020-09-24 Anti-interference type natural potential logging device and method

Country Status (1)

Country Link
CN (1) CN112065362B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2363534A1 (en) * 2000-12-22 2002-06-22 Schlumberger Canada Limited Shielding method and apparatus using transverse slots
CN202810838U (en) * 2012-09-04 2013-03-20 中国海洋石油总公司 Signal transmitting device of electromagnetic wave resistivity logging instrument
CN103235241A (en) * 2013-04-27 2013-08-07 国家电网公司 Thunder and lightning electromagnetic wave distribution monitoring device for electric power line

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB752296A (en) * 1954-08-15 1956-07-11 Socony Mobil Oil Co Mechanically coupled acoustic well logging system
US4536714A (en) * 1982-04-16 1985-08-20 Schlumberger Technology Corporation Shields for antennas of borehole logging devices
US4785247A (en) * 1983-06-27 1988-11-15 Nl Industries, Inc. Drill stem logging with electromagnetic waves and electrostatically-shielded and inductively-coupled transmitter and receiver elements
US4808929A (en) * 1983-11-14 1989-02-28 Schlumberger Technology Corporation Shielded induction sensor for well logging
EP0771419A4 (en) * 1994-07-18 1999-06-23 Babcock & Wilcox Co Sensor transport system for flash butt welder
NO963770L (en) * 1995-09-13 1997-03-14 Schlumberger Technology Bv A borehole acoustic reflection logging method and apparatus
CN200964853Y (en) * 2006-10-13 2007-10-24 大庆石油管理局 High resolution natural potential logging device
CN201945686U (en) * 2011-03-06 2011-08-24 东北石油大学 Ultrasonic distance meter based on AT89C51 singlechip
CN203097884U (en) * 2013-02-06 2013-07-31 中国石油天然气集团公司 Sound wave digital receiver for well logging
US9726776B2 (en) * 2013-08-13 2017-08-08 Groundwater Imaging Pty Ltd. Towable transient electromagnetic survey device
US20170160324A1 (en) * 2014-08-11 2017-06-08 Halliburton Energy Services, Inc. Probe assembly for performing electromagnetic field mapping around an antenna
CN205277409U (en) * 2016-01-13 2016-06-01 杨仕勇 Portable high noise immunity energy conversion device that logs well
GB201604440D0 (en) * 2016-03-16 2016-04-27 Imp Innovations Ltd Guided wave testing
CN108768418B (en) * 2018-06-05 2020-03-31 湖南智领通信科技有限公司 Antenna radio frequency front end device with direction finding and active anti-interference functions
CN210422600U (en) * 2019-05-14 2020-04-28 成都威尔普斯石油工程技术服务有限公司 Distributed acoustic logging system
CN111121949A (en) * 2019-11-20 2020-05-08 中国电力科学研究院有限公司 Anti-interference device for noise measurement probe in strong magnetic field
CN111648769B (en) * 2020-07-16 2024-09-17 中铁四局集团第一工程有限公司 Drilling pile drilling while-drilling device suitable for judging boundary depth of earth-going and rock-going formations

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2363534A1 (en) * 2000-12-22 2002-06-22 Schlumberger Canada Limited Shielding method and apparatus using transverse slots
CN202810838U (en) * 2012-09-04 2013-03-20 中国海洋石油总公司 Signal transmitting device of electromagnetic wave resistivity logging instrument
CN103235241A (en) * 2013-04-27 2013-08-07 国家电网公司 Thunder and lightning electromagnetic wave distribution monitoring device for electric power line

Also Published As

Publication number Publication date
CN112065362A (en) 2020-12-11

Similar Documents

Publication Publication Date Title
CN102184625B (en) Third generation (3G) communication network-based transmission line fault area positioning system
CN101871980B (en) Combined lightning monitoring and forecasting system
CN103293443A (en) Overhead wire grounding fault locating method for power distribution network
CN205333777U (en) Phase to earth fault positioner
CN112065362B (en) Anti-interference type natural potential logging device and method
CN111207845A (en) Wireless temperature on-line monitoring and early warning system
CN103675569B (en) The detection Apparatus and system of aerial line ground fault
CN102495332B (en) System and method for sampling unbalanced current
CN209471183U (en) A kind of highly reliable pole tower ground resistance measuring device
CN112557809A (en) Transmission line fault positioning device
CN216526121U (en) Multifunctional cable comprehensive detector
CN110702255A (en) Built-in high-voltage cable joint temperature measuring device
CN214277220U (en) Intelligent detection system for construction temperature field of subway communication channel by freezing method
CN210803587U (en) Online ground resistance in-situ detection terminal
CN106770490A (en) A kind of multichannel conductivity measuring apparatus
CN207799698U (en) Herbage observation device and system
CN221765631U (en) Non-contact distribution network fault monitoring device
CN215679624U (en) Meter reading concentrator signal receiving equipment for communication tower mounting
CN219957868U (en) Integrated displacement measurement terminal equipment based on GNSS high-precision positioning
CN212675072U (en) Distributed fault line selection equipment
CN217901884U (en) Ring main unit electric energy metering device
CN212366176U (en) Integrated time service antenna
CN210741462U (en) Online monitoring system for surface settlement
CN216352732U (en) Dangerous rock mass collapse monitoring and early warning system
CN216434326U (en) Power transmission line ground fault positioning device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20230331