CN103726830B - Pole plate component for logger - Google Patents
Pole plate component for logger Download PDFInfo
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- CN103726830B CN103726830B CN201210381068.XA CN201210381068A CN103726830B CN 103726830 B CN103726830 B CN 103726830B CN 201210381068 A CN201210381068 A CN 201210381068A CN 103726830 B CN103726830 B CN 103726830B
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Abstract
The present invention relates to a kind of pole plate components for logger, the pole plate component includes: Polar plate matrix (1), and the Polar plate matrix (1) includes at least one internal cavity for accommodating data acquisition processing circuit (5) and limits at least one opening of sensible at least one internal cavity in lower surface；And at least one rear cover (2), at least one described rear cover (2) is mounted in at least one opening of the Polar plate matrix (1) by sealing screw (3), wherein, the Polar plate matrix (1) includes at least one support column (15) extended downwardly from top, at least one described rear cover (2) includes at least one support column (19) with the cooperation of at least one support column (15) of the Polar plate matrix (1).
Description
Technical field
The present invention relates to the pole plate component for logger, relate more specifically to the sealing of this pole plate component, pressure-bearing,
Insulation and shielding construction.
Background technique
Small-scale resistance spot welding is mainly used for crack identification and evaluation, high-resolution Thin-bed Evaluation, sedimentation environment
Analysis, ground interior structure and structure interpretation layer by layer and rock core positioning and description.Being logged well using Microresistivity Imaging Tool device can get
True visual high quality borehole wall geologic image.
Microresistivity device measures borehole surface resistivity with fine dimension, and the measurement result of this resistivity is converted to
Pixel intensity value, to obtain borehole wall image.Originally developing such logging instrument is in order to for conductive drilling fluid (such as water base mud
Slurry).However, because surrounding the impedance variations in the oil-base mud of logging instrument, the resistive of such as oil-base mud etc
Drilling fluid can interfere such measurement.
Oil-base mud and artificial synthesized drilling mud can greatly reduce drilling risk by enhancing hole stability, together
When greatly improve drilling efficiency.But under such circumstances, the advantage of micro-resistivity imaging technology has not existed, conventional micro- electricity
Resistance rate imager cannot work well in such non-conductive mud.In most cases, microresistivity wellbore image
Shortage represent to successfully develop reservoir important information loss.Therefore, the micro resistance that can be used for oil-base mud is developed
Rate Image-forming instrument is very urgent.
Sensor of the pole plate as small-scale resistance spot welding instrument is scanned, the work such as data processing.The quality of pole plate
Directly affect logging quality.Pole plate component is support and the hermetic unit of pole plate.Due to pole plate component built-in electronic route, because
Sealing, pressure-bearing, insulation and the shielding of this pole plate component become the key of pole plate invention.
Summary of the invention
It is an object of the invention to be oil well logging instrument, especially oil-base mud resistivity imaging tool provides one kind
It can be under 180 DEG C, the working environment of 140MPa, pressure bearing and seal internal cavity not be leaked, and inner lead will not produce circuit
The pole plate modular construction of raw interference.
In order to meet above-mentioned requirements, the present invention provides a kind of pole plate component for logger, the pole plate component packets
It includes:
Polar plate matrix, the Polar plate matrix include at least one internal cavity for accommodating data acquisition processing circuit and
At least one opening of sensible at least one internal cavity is limited in lower surface；And
At least one rear cover, at least one described rear cover by sealing screw be mounted on the Polar plate matrix it is described at least
In one opening,
Wherein, the Polar plate matrix includes at least one support column extended downwardly from top, at least one described rear cover
Including at least one support column with the cooperation of at least one support column of the Polar plate matrix.
Preferred embodiment in accordance with the present invention, the pole plate component further includes wiring cover, and the wiring cover is pacified by screw
Mounted in the lower surface of Polar plate matrix front end.
Preferred embodiment in accordance with the present invention, at least one described support column of the Polar plate matrix and it is described at least one
At least one described support column of rear cover all has strip tee section, and the data acquisition processing circuit is provided with elongate holes.
Preferred embodiment in accordance with the present invention, the quantity of internal cavity two, two internal cavities are logical by multiple cablings
Road and multiple cabling channels communicate with each other.
Preferred embodiment in accordance with the present invention, it is mutually isolated between the multiple cable tray, and between multiple cabling channels
Mutually isolated, when at least one described rear cover is mounted on Polar plate matrix, the multiple cabling channel constitutes enclosed construction.
Preferred embodiment in accordance with the present invention, Polar plate matrix front end are provided with multiple first sealing holes, at the top of Polar plate matrix
Both ends and centre have the second sealing hole and third sealing hole, and the second sealing hole is symmetrical relative to third sealing hole.
The multiple first sealing hole of preferred embodiment in accordance with the present invention, Polar plate matrix front end is held equipped with multiple singles
Densification blocking and a multicore pressure bearing and seal plug.
Preferred embodiment in accordance with the present invention, the second sealing hole at the top of Polar plate matrix are equipped with emission electrode sealing-plug, pole
The third sealing hole of plate baseline top is equipped with receiving electrode sealing-plug (36).
Preferred embodiment in accordance with the present invention, Polar plate matrix internal cavity, which is equipped with, places the rectangular of data acquisition processing circuit
Slot, square groove both ends are equipped with step to support data acquisition processing circuit.
Preferred embodiment in accordance with the present invention, at least one described rear cover are provided with the threaded hole for accommodating sealing screw, and
The dimensions of threaded hole is more bigger than sealing screw, at least one described rear cover is by by dimensions identical as threaded hole
Screw screws in threaded hole and ejects from Polar plate matrix.
Preferred embodiment in accordance with the present invention, sealing screw use end face seal, and the head of sealing screw is close to screw thread
Side is provided with seal groove.
Preferred embodiment in accordance with the present invention, at least one described rear cover surrounding are provided with the sealing for accommodating sealing ring
Slot.
Preferred embodiment in accordance with the present invention, the upper surface of the Polar plate matrix are provided with recess portion, and the pole plate component is also
Include:
Insulation board, the both ends of the insulation board are provided with a pair of of groove；
A pair of of the emission electrode plate being laterally embedded in the groove of the insulation board；With
Electricity button, the electricity button are embedded in the middle part of the insulation board；
This is symmetrically arranged emission electrode plate relative to the electricity button.
Preferred embodiment in accordance with the present invention, the pad electrode system further include multiple volute springs and multiple emission electrodes
Sealing-plug, the volute spring is mounted in the hole of insulation board ends, between emission electrode plate and emission electrode sealing-plug,
And it is in contact with emission electrode plate and emission electrode sealing-plug；The emission electrode sealing-plug is mounted on the close of Polar plate matrix both ends
In sealing of hole；The emission electrode plate, volute spring and emission electrode sealing-plug constitute emission electrode system.
Preferred embodiment in accordance with the present invention, the pad electrode system further includes multiple receiving electrode sealing-plugs, described to connect
It receives electrode sealing-plug to be mounted in the sealing hole in the middle part of Polar plate matrix, insulation board, electricity button and receiving electrode sealing-plug are constituted and received
Electrode system.
Preferred embodiment in accordance with the present invention, insulation board are curved thin plates, and width is equal with Polar plate matrix, the insulation
Plate is made of PEEK resin material, and insulation board covers the surface other than Polar plate matrix removing front end and tail portion.
Preferred embodiment in accordance with the present invention, the insulation plate thickness between emission electrode plate and Polar plate matrix are more than 5mm.
Preferred embodiment in accordance with the present invention, emission electrode plate are the sheet metals of arc.
There are circular groove in preferred embodiment in accordance with the present invention, electricity button bottom, arrange consistent with receiving electrode sealing-plug.
According to another embodiment of the invention, a kind of method for installing the pole plate component for logger, packet are provided
Include following steps:
Polar plate matrix is provided, the Polar plate matrix includes at least one inner chamber for accommodating data acquisition processing circuit
Body and at least one opening of sensible at least one internal cavity is limited in lower surface；
Data acquisition processing circuit is passed through on screw fixed polar plate matrix；And
At least one rear cover is mounted in at least one opening of the Polar plate matrix by sealing screw,
Wherein, the Polar plate matrix includes at least one support column extended downwardly from top, at least one described rear cover
Including at least one support column with the cooperation of at least one support column of the Polar plate matrix.
Preferred embodiment in accordance with the present invention, the method also includes: wiring cover is mounted on Polar plate matrix by screw
The lower surface of front end.
Preferred embodiment in accordance with the present invention, Polar plate matrix front end are provided with multiple first sealing holes, at the top of Polar plate matrix
Both ends and centre have the second sealing hole and third sealing hole, and the second sealing hole is symmetrical relative to third sealing hole, described
Method further include:
Multiple single pressure bearing and seal plugs and a multicore pressure bearing and seal plug are mounted on the described more of Polar plate matrix (1) front end
In a sealing hole；
Emission electrode sealing-plug is mounted in the second sealing hole at the top of Polar plate matrix；And
Receiving electrode sealing-plug is mounted in the third sealing hole at the top of Polar plate matrix.
Preferred embodiment in accordance with the present invention, at least one described rear cover surrounding are provided with seal groove, and the method is also wrapped
It includes:, will before in at least one opening that at least one rear cover is mounted on the Polar plate matrix by sealing screw
Sealing ring is placed in the seal groove of at least one rear cover.
The upper surface of preferred embodiment in accordance with the present invention, the Polar plate matrix is provided with recess portion, the method also includes:
Insulation board is mounted in the recess portion of the Polar plate matrix, the both ends of the insulation board are provided with a pair of of groove；
A pair of of emission electrode plate is laterally embedded in the groove of the insulation board；With
Electricity button is embedded in the middle part of the insulation board；
This is symmetrically arranged emission electrode plate relative to the electricity button.
The beneficial effects of the present invention are: Polar plate matrix internal cavity and rear cover all have the support column arrangement of strip, it should
Structure can be improved the bearing strength of rear cover, moreover it is possible to the shielding construction as intracavitary data acquisition processing circuit.The pole plate base
Body tool is communicated, this design can be such that the pole plate component is provided with more between internal cavity there are two pressure-bearing internal cavity
Data acquisition processing circuit, and rear cover and sealing ring is cooperated reliably to seal.Cabling is equipped with around Polar plate matrix internal cavity
Slot, after rear cover is assembled on Polar plate matrix, the cabling channel is isolated into individual cable tray by rear cover and Polar plate matrix, leads to
The signal wire and power supply line crossed in cable tray will not generate interference to data acquisition processing circuit.Polar plate matrix forward end seal hole
It is provided with multiple single pressure bearing and seal plugs and multicore pressure bearing and seal plug, it is mutually separated between sealing-plug and reliably close by sealing ring
Envelope, this design separate power supply and signal code, will not generate interference.
Detailed description of the invention
By detailed description with reference to the accompanying drawing, these and other objects and advantages of the invention be will be apparent,
In the accompanying drawings:
Fig. 1 is the rear isometric view of pole plate component according to an embodiment of the invention.
Fig. 2 is the isometric front view of pole plate component according to an embodiment of the invention.
Fig. 3 is the side sectional view of pole plate component according to an embodiment of the invention, wherein insulation board is removed,
Polar plate matrix is better shown.
Fig. 4 is the positive cross-sectional view of the Polar plate matrix of pole plate component according to an embodiment of the invention.
Fig. 5 is the horizontal cross of the Polar plate matrix of pole plate component according to an embodiment of the invention.
Fig. 6 is the perspective view of the rear cover of pole plate component according to an embodiment of the invention.
Fig. 7 is the side sectional view of pole plate component according to an embodiment of the invention.
Fig. 8 is the horizontal cross of pole plate component according to an embodiment of the invention.
Fig. 9 is the positive cross-sectional view of pole plate component according to an embodiment of the invention.
Figure 10 is the perspective view of pole plate component according to an embodiment of the invention.
Figure 11 is the side sectional view of pole plate component according to an embodiment of the invention.
Specific embodiment
The present invention is carried out further specifically by illustrative mode with reference to the accompanying drawings and detailed description
It is bright.
Fig. 1 and Fig. 2 describes the structure of the pole plate component of oil-base mud instrument by perspective view, including Polar plate matrix 1, more
A rear cover 2, sealing screw 3, wiring cover 4, data acquisition processing circuit 5, single pressure bearing and seal plug 6 and multicore pressure bearing and seal plug 7.
Although pole plate component includes two rear covers 2 as shown in figs. 1 and 2 it should be appreciated that pole plate component may include it
The rear cover 2 of its quantity, is made without departing from the scope of the present invention by such as, but not limited to 3,4 etc..
The Polar plate matrix 1 includes at least one internal cavity for accommodating data acquisition processing circuit 5 and in following table
Face limits at least one opening of sensible at least one internal cavity.Rear cover 2 is mounted on the pole plate by sealing screw 3
In at least one opening of matrix 1.
As shown in Figure 1, the Polar plate matrix 1 includes at least one support column 15 extended downwardly from top.Such as Fig. 2 institute
Show, the rear cover 2 includes at least one support column 19 with the cooperation of at least one support column 15 of the Polar plate matrix 1.Although
Each internal cavity of Polar plate matrix 1 includes 5 support columns 15 as shown in figs. 1 and 2 and each rear cover 2 includes 5 supports
Column 19 it should be appreciated that pole plate component may include the support column 15 and support column 19 of other quantity, such as but unlimited
In 3,4 etc., it is made without departing from the scope of the present invention.
As illustrated in fig. 1 and 2, at least one described support column 15 of the Polar plate matrix 1 and at least one rear cover 2
At least one described support column 19 all has strip tee section.Correspondingly, the data acquisition processing circuit 5 is provided with strip
Hole, for making at least one described at least one support column 15 described in the Polar plate matrix 1 or at least one described rear cover 2
A support column 19 extends there through.It should be understood that at least one described support column 15 of the Polar plate matrix 1, it is described at least
At least one described support column 1 of one rear cover 2 and the hole of data acquisition processing circuit 5 can use other shapes, without
Deviate the scope of the present invention.
There are multiple sealing holes in 1 front end of Polar plate matrix, and the inside is equipped with single pressure bearing and seal plug 6 and multicore pressure bearing and seal plug 7, close
Blocking is fixed by screwing in the sealing hole of 1 front end of Polar plate matrix.1 internal cavity of Polar plate matrix is provided with data acquisition
Processing circuit 5, data acquisition processing circuit 5 pass through on screw fixed polar plate matrix 1.Before wiring cover 4 is mounted on Polar plate matrix 1
End, is fixed by screws on Polar plate matrix 1.
As shown in figure 3, there is multi-diameter shaft 8 in 1 front end of Polar plate matrix, there are two mutually perpendicular pin hole 9, the two parts for rear end
Fit connection connect pole plate component with oil-base mud instrument other parts.
The both ends and centre at the top of Polar plate matrix 1 are provided with sealing hole 10 and sealing hole 11, the sealing hole 10 at both ends relative to
Intermediate seal hole 11 is symmetrical.
As shown in figure 4, multiple sealing holes 11 among Polar plate matrix 1 are distributed at sector, 11 axis of sealing hole and pole plate base
1 cambered surface normal of body is overlapped, these sealing holes are used to install corresponding sealing-plug.
As shown in figure 5,1 front end of Polar plate matrix is provided with multiple first sealing holes 12 laterally side by side, filled in the first sealing hole 12
There are multiple single pressure bearing and seal plugs 6 and a multicore pressure bearing and seal plug 7.It should be understood that single pressure bearing and seal plug 6 and multicore
The quantity of pressure bearing and seal plug 7 can be other quantity, be made without departing from the scope of the present invention.Single pressure bearing and seal plug 6 and multicore are held
Densification blocking 7, which is connected through a screw thread, to be fixed on Polar plate matrix 1.Single pressure bearing and seal plug 6 and multicore pressure bearing and seal plug 7 are resistance to height
Warm pressure part is made using PEEK resin material, has good insulating properties and heat-resisting quantity.
As shown in figure 5,1 internal cavity of Polar plate matrix is equipped with the square groove 13 for placing data acquisition processing circuit 5, square groove
13 both ends are equipped with semicircular step 14 to support data acquisition processing circuit 5, and step is instead of common stud is led to, effectively
Space is utilized.With the support column 15 of strip in the middle part of square groove 13.Support column 15 improves Polar plate matrix 1 and rear cover 2
Bearing strength, and provide shielding construction for the element in intracavitary data acquisition processing circuit 5.
Cabling channel 16 is additionally provided on Polar plate matrix 1, for placing the conducting wire drawn from sealing hole 11.
As shown in fig. 6, rear cover 2 is mounted on Polar plate matrix 1, and fixed by sealing screw 3.Rear cover 2 is equipped with sealing
Slot 17, cooperation sealing ring can guarantee the reliable sealing under the high temperature and high pressure environment of underground.
The rear cover 2 is provided with the threaded hole 18 for accommodating sealing screw 3, and the dimensions of threaded hole 18 compares sealing screw
3 is bigger.Rear cover 2 is ejected and screw screw-in threaded hole 18 by dimensions identical as threaded hole 18 from Polar plate matrix 1.
Rear cover 2 equally has 19 structure of strip support column, matches with the support column 15 on Polar plate matrix 1, improves holding for rear cover 2
Compressive Strength.
Sealing screw 3 uses end face seal, and the head of sealing screw 3 is provided with seal groove close to the side of screw thread.Sealing
Slot is provided with sealing ring, it is ensured that reliable sealing.
Wiring cover 4 is fixed by screws in 1 front end of Polar plate matrix, can protect the single being mounted on Polar plate matrix 1 and holds
Densification blocking 6 plug 7 with multicore pressure bearing and seal and the conducting wire that is connected.
As shown in Fig. 7 to Fig. 9, multiple data acquisition processing circuits 5 are mounted in the internal cavity of Polar plate matrix 1.Single
Pressure bearing and seal plug 6 and multicore pressure bearing and seal plug 7 are mounted in 1 forward end seal hole of Polar plate matrix.Sealing-plug external cabling and instrument
It is connected, back panel wiring is connected by cabling channel 20 with data acquisition processing circuit 5.
Cabling channel 20 is isolated into individual passage 23 by rear cover 2 and Polar plate matrix 1, and rear cover 2 and Polar plate matrix 1 are equipped with channel
Outlet 21, can be such that the back panel wiring is connected in data acquisition processing circuit 5.
It also is provided with cable tray 22 between two internal cavities of Polar plate matrix 1, it is mutually isolated between channel, from pole plate base
The conducting wire that the first sealing hole 11 on body 1 is drawn is connected to the data acquisition process on both sides by cable tray 22 and cabling channel 16
On circuit 5, when rear cover 2 is mounted on Polar plate matrix 1, cabling channel 16 will not be interfered between conducting wire therein at enclosed construction.
Figure 10 and Figure 11 describes the structure and composition of oil-base mud pad electrode system, wherein pole plate component includes pole plate
Ontology 1, insulation board 32, emission electrode plate 33, volute spring 34, emission electrode sealing-plug 35, receiving electrode sealing-plug 36 and electricity
Button 31.The upper surface of the pole plate ontology 1 is provided with opening.The insulation board 32 is mounted in the opening of the pole plate ontology 1,
The both ends of the insulation board 32 are provided with a pair of of groove.A pair of of emission electrode plate 33 is laterally embedded in the recessed of the insulation board 32
In slot.The electricity button 31 is embedded in the middle part of the insulation board 32.This is symmetrical relative to the electricity button 31 to emission electrode plate 33
Ground setting.Receiving electrode sealing-plug 36 is mounted in the third sealing hole 11 at 1 middle part of pole plate ontology, and electricity button 31 is embedded in insulation board
In 32, and contacted with 36 head fits of receiving electrode sealing-plug.
As shown in Figure 10, the middle part of the insulation board 32 is arranged in 10 electricity buttons 31, and is arranged to two rows.It should be understood that
It is that the electricity button 31 of other quantity and arrangement can be set in insulation board 32, is made without departing from the scope of the present invention.
The pole plate component may include multiple volute springs 34 and multiple emission electrode sealing-plugs 35, the volute spring
34 are mounted in the hole of insulation board ends, between emission electrode plate 33 and emission electrode sealing-plug 35, and and emission electrode
Plate 33 and emission electrode sealing-plug 35 are in contact；It is second close to be mounted on 1 both ends of pole plate ontology for the emission electrode sealing-plug 35
In sealing of hole 10.
The pole plate component may include multiple receiving electrode sealing-plugs 36, and the receiving electrode sealing-plug 36 is mounted on pole
In the third sealing hole 11 at 1 middle part of plate ontology.
Insulation board 32, emission electrode plate 33, volute spring 34, emission electrode sealing-plug 35 constitute the hair of pad electrode system
Radio polar system.Insulation board 32, electricity button 31, receiving electrode sealing-plug 36 constitutes the receiving electrode system of pad electrode system.
As shown in Figure 10, insulation board 32 is curved thin plate, and width and pole plate ontology 1 are consistent and tight with 1 cambered surface of pole plate ontology
Closely connected conjunction.Insulation board 32 is made of PEEK resin material, has good insulating properties.Insulation board 32 covers pole plate ontology 1
The surface for removing front end and tail portion, makes the electric field formed between pole plate emission electrode system and receiving electrode system not and will receive pole plate sheet
Body 1 influences.
As shown in figure 11, emission electrode plate 33 is curved metal thin plate, laterally disposed to be embedded in 32 both ends of insulation board, and phase
31 are detained at symmetrical to the electricity at 32 middle part of insulation board.Emission electrode plate 33 increases emission electrode system area, makes emission current signal
Covering surface is wider.
32 thickness of insulation board between emission electrode plate 33 and pole plate ontology 1 is more than 5mm, ensure that emission electrode plate 33 with
Insulating properties between pole plate ontology 1.
It is connected between emission electrode plate 33 and emission electrode sealing-plug 35 by volute spring 34, volute spring 34 and up and down
Both sides form pressure contact, keep signal transmitting good.Volute spring 34 occupies little space, and flexible deformation is big, is suitble to narrow
It is used in space.
Emission electrode sealing-plug 35 is mounted in the sealing hole at 1 both ends of pole plate ontology, and position is corresponding with emission electrode plate.
Although Figure 11 illustrate only each emission electrode plate 33 and be provided with an emission electrode sealing-plug 35.It is to be understood that
It is that the emission electrode sealing-plug 35 of other quantity can be set in each emission electrode plate 33, is made without departing from the scope of the present invention.
Method of the installation for the pole plate component of logger will now be described, the described method comprises the following steps:
There is provided Polar plate matrix 1, the Polar plate matrix 1 include for accommodate data acquisition processing circuit 5 at least one in
Portion's cavity and at least one opening of sensible at least one internal cavity is limited in lower surface；
Data acquisition processing circuit 5 is passed through on screw fixed polar plate matrix 1；And
At least one rear cover 2 is mounted in at least one opening of the Polar plate matrix 1 by sealing screw 3.
Wherein, the Polar plate matrix 1 includes at least one support column 15 extended downwardly from top, described after at least one
Lid 2 includes at least one support column 19 with the cooperation of at least one support column 15 of the Polar plate matrix 1.
The method can also include: that wiring cover 4 is mounted on to the lower surface of 1 front end of Polar plate matrix by screw.
1 front end of Polar plate matrix is provided with multiple first sealing holes 12, and the both ends and centre at 1 top of Polar plate matrix have the
Two sealing holes 10 and third sealing hole 11, the second sealing hole 10 is symmetrical relative to third sealing hole 11, and the method can also wrap
It includes:
Multiple single pressure bearing and seal plugs 6 and a multicore pressure bearing and seal plug 7 are mounted on the described more of 1 front end of Polar plate matrix
In a sealing hole 12；
Emission electrode sealing-plug 25 is mounted in second sealing hole 10 at 1 top of Polar plate matrix；And
Receiving electrode sealing-plug 36 is mounted in the third sealing hole 11 at 1 top of Polar plate matrix.
At least one described 2 surrounding of rear cover is provided with seal groove 17, and the method can also include: after by least one
Before lid 2 is mounted in at least one opening of the Polar plate matrix 1 by sealing screw 3, sealing ring is placed on institute
It states in the seal groove 17 of at least one rear cover 2.
The upper surface of the Polar plate matrix 1 is provided with recess portion, and the method can also include:
Insulation board 32 is mounted in the recess portion of the Polar plate matrix 1, the both ends of the insulation board 32 are provided with a pair of recessed
Slot；
A pair of of emission electrode plate 33 is laterally embedded in the groove of the insulation board 32；With
Electricity button 31 is embedded in the middle part of the insulation board 32；
This is symmetrically arranged emission electrode plate 33 relative to the electricity button 31.
1 internal cavity of Polar plate matrix and rear cover 2 all have the support column arrangement 15 and 19 of strip, which can be improved
The bearing strength of rear cover, moreover it is possible to the shielding construction as intracavitary data acquisition processing circuit 5.There are two the tools of Polar plate matrix 1
Pressure-bearing internal cavity communicates between internal cavity, and this design can make the pole plate component be provided with more data acquisitions
Processing circuit 5, and rear cover 2 and sealing ring is cooperated reliably to seal.Cabling channel 16 is equipped with around 1 internal cavity of Polar plate matrix, after
After lid 2 is assembled on Polar plate matrix 1, the cabling channel 16 is isolated into individual cable tray by rear cover 2 and Polar plate matrix 1,
By signal wire in cable tray and power supply line interference will not be generated to data acquisition processing circuit 5.1 front end of Polar plate matrix is close
Sealing of hole is provided with multiple single pressure bearing and seal plugs 6 and multicore pressure bearing and seal plug 7, single pressure bearing and seal plug 6 and multicore pressure bearing and seal
It fills in mutually separated between 7 and is reliably sealed by sealing ring, this design separates power supply and signal code, will not generate dry
It disturbs.
It should be understood that the above embodiments are only used to illustrate and not limit the technical solutions of the present invention.Although referring to upper
Embodiment is stated to describe the invention in detail, but those skilled in the art should understand that: it still can be to this
Invention is modified or replaced equivalently, and without departing from the spirit and scope of the present invention, and appended claims are intended to fall
Enter these modifications or the equivalent replacement in spirit and scope of the invention.
Claims (24)
1. a kind of pole plate component for logger, the pole plate component include:
Polar plate matrix (1), the Polar plate matrix (1) include for accommodate data acquisition processing circuit (5) at least one inside
Cavity and at least one opening of sensible at least one internal cavity is limited in lower surface；And
At least one rear cover (2), at least one described rear cover (2) are mounted on the Polar plate matrix (1) by sealing screw (3)
In at least one opening,
Wherein, the Polar plate matrix (1) includes at least one support column (15) extended downwardly from top, described after at least one
Lid (2) includes at least one support column (19) with the cooperation of at least one support column (15) of the Polar plate matrix (1), the number
Acquisition process circuit (5) is provided with hole, for making at least one described support column (15) or the institute of the Polar plate matrix (1)
At least one the described support column (19) for stating at least one rear cover (2) extends there through, thus on data acquisition processing circuit (5)
Element provide shielding construction.
2. pole plate component according to claim 1, which is characterized in that the pole plate component further includes wiring cover (4), described
Wiring cover (4) is mounted on the lower surface of Polar plate matrix (1) front end by screw.
3. pole plate component according to claim 1, which is characterized in that at least one described branch of the Polar plate matrix (1)
At least one described support column (19) of dagger (15) and at least one rear cover (2) all has strip tee section, the number
Acquisition process circuit (5) is provided with elongate holes.
4. pole plate component according to claim 1, which is characterized in that the quantity of internal cavity two, two internal cavities
It is communicated with each other by multiple cable tray (22) and multiple cabling channels (16).
5. pole plate component according to claim 4, which is characterized in that between the multiple cable tray (22) mutually every
From, and it is mutually isolated between multiple cabling channels (16), when at least one described rear cover (2) is mounted on Polar plate matrix (1), institute
It states multiple cabling channels (16) and constitutes enclosed construction.
6. pole plate component according to claim 1, which is characterized in that Polar plate matrix (1) front end is provided with multiple first sealings
Hole (12), both ends and centre at the top of Polar plate matrix (1) have the second sealing hole (10) and third sealing hole (11), and second
Sealing hole (10) is symmetrical relative to third sealing hole (11).
7. pole plate component according to claim 6, which is characterized in that the multiple the first of Polar plate matrix (1) front end is close
Sealing of hole (12) is equipped with multiple single pressure bearing and seal plugs (6) and a multicore pressure bearing and seal plug (7).
8. pole plate component according to claim 6, which is characterized in that the second sealing hole (10) at the top of Polar plate matrix (1)
Equipped with emission electrode sealing-plug (25), the third sealing hole (11) at the top of Polar plate matrix (1) is equipped with receiving electrode sealing-plug (36).
9. pole plate component according to claim 1, which is characterized in that Polar plate matrix (1) internal cavity, which is equipped with, places data
The square groove (13) of acquisition process circuit (5), square groove (13) both ends are equipped with step (14) to support data acquisition process electric
Road (5).
10. pole plate component according to claim 1, which is characterized in that it is close that at least one described rear cover (2) is provided with receiving
Seal the threaded hole (18) of screw (3), and the dimensions of threaded hole (18) is more bigger than sealing screw (3), it is described at least one
Rear cover (2) by will dimensions identical as threaded hole (18) screw screw in threaded hole (18) from Polar plate matrix (1) eject.
11. pole plate component according to claim 10, which is characterized in that sealing screw (3) uses end face seal, seals spiral shell
The head of nail (3) is provided with seal groove close to the side of screw thread.
12. pole plate component according to claim 5, which is characterized in that at least one rear cover (2) surrounding setting is useful
In the seal groove (17) for accommodating sealing ring.
13. pole plate component according to claim 1, which is characterized in that the upper surface of the Polar plate matrix (1) is provided with recessed
Portion, the pole plate component further include:
Insulation board (32), the insulation board (32) are mounted in the recess portion of the Polar plate matrix (1), and the two of the insulation board (32)
End is provided with a pair of of groove；
A pair of of the emission electrode plate (33) being laterally embedded in the groove of the insulation board (32)；With
Electricity button (31), the electricity button (31) are embedded in the middle part of the insulation board (32)；
This is symmetrically arranged emission electrode plate (33) relative to the electricity button (31).
14. pole plate component according to claim 13, which is characterized in that the pole plate component further includes multiple volute springs
(34) it is mounted in the hole of insulation board ends with multiple emission electrode sealing-plugs (35), the volute spring (34), is located at transmitting
Between electrode plate (33) and emission electrode sealing-plug (35), and connect with emission electrode plate (33) and emission electrode sealing-plug (35)
Touching；The emission electrode sealing-plug (35) is mounted in the sealing hole at Polar plate matrix (1) both ends；The emission electrode plate (33),
Volute spring (34) and emission electrode sealing-plug (35) constitute emission electrode system.
15. pole plate component according to claim 14, which is characterized in that the pole plate component further includes multiple receiving electrodes
Sealing-plug (36), the receiving electrode sealing-plug (36) are mounted in the sealing hole in the middle part of Polar plate matrix (1), insulation board (32),
Electricity button (31) and receiving electrode sealing-plug (36) constitute receiving electrode system.
16. pole plate component according to claim 13, which is characterized in that insulation board (32) is curved thin plate, width with
Polar plate matrix (1) is equal, and the insulation board (32) is made of PEEK resin material, and insulation board (32) covers Polar plate matrix
(1) surface other than front end and tail portion is removed.
17. pole plate component according to claim 13, which is characterized in that emission electrode plate (33) and Polar plate matrix (1) it
Between insulation board (32) thickness be more than 5mm.
18. pole plate component according to claim 13, which is characterized in that emission electrode plate (33) is the metal foil of arc
Plate.
19. pole plate component according to claim 15, which is characterized in that circular groove arranged at electricity button (31) bottom, arrangement with
Receiving electrode sealing-plug (36) is consistent.
20. a kind of method of pole plate component of installation for logger, comprising the following steps:
There is provided Polar plate matrix (1), the Polar plate matrix (1) include for accommodate data acquisition processing circuit (5) at least one
Internal cavity and at least one opening of sensible at least one internal cavity is limited in lower surface；
Data acquisition processing circuit (5) are passed through on screw fixed polar plate matrix (1)；And
At least one rear cover (2) is mounted on at least one opening of the Polar plate matrix (1) by sealing screw (3)
In,
Wherein, the Polar plate matrix (1) includes at least one support column (15) extended downwardly from top, described after at least one
Lid (2) includes at least one support column (19) with the cooperation of at least one support column (15) of the Polar plate matrix (1), the number
Acquisition process circuit (5) is provided with hole, for making at least one described support column (15) or the institute of the Polar plate matrix (1)
At least one the described support column (19) for stating at least one rear cover (2) extends there through, thus on data acquisition processing circuit (5)
Element provide shielding construction.
21. according to the method for claim 20, which is characterized in that the method also includes: wiring cover (4) is passed through into screw
It is mounted on the lower surface of Polar plate matrix (1) front end.
22. according to the method for claim 20, which is characterized in that Polar plate matrix (1) front end is provided with multiple first sealing holes
(12), the both ends at the top of Polar plate matrix (1) and centre have the second sealing hole (10) and third sealing hole (11), and second is close
Sealing of hole (10) relative to third sealing hole (11) symmetrically, the method also includes:
Multiple single pressure bearing and seal plugs (6) and a multicore pressure bearing and seal plug (7) are mounted on the described of Polar plate matrix (1) front end
In multiple first sealing holes (12)；
Emission electrode sealing-plug (25) is mounted in the second sealing hole (10) at the top of Polar plate matrix (1)；And
Receiving electrode sealing-plug (36) is mounted in the third sealing hole (11) at the top of Polar plate matrix (1).
23. according to the method for claim 20, which is characterized in that at least one described rear cover (2) surrounding is provided with sealing
Slot (17), the method also includes: at least one rear cover (2) is being mounted on the Polar plate matrix (1) by sealing screw (3)
At least one opening in front of, sealing ring is placed in the seal groove (17) of at least one rear cover (2).
24. according to the method for claim 20, which is characterized in that the upper surface of the Polar plate matrix (1) is provided with recess portion,
The method also includes:
Insulation board (32) is mounted in the recess portion of the Polar plate matrix (1), the both ends of the insulation board (32) are provided with a pair
Groove；
A pair of of emission electrode plate (33) is laterally embedded in the groove of the insulation board (32)；With
Electricity button (31) is embedded in the middle part of the insulation board (32)；
This is symmetrically arranged emission electrode plate (33) relative to the electricity button (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210381068.XA CN103726830B (en) | 2012-10-10 | 2012-10-10 | Pole plate component for logger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210381068.XA CN103726830B (en) | 2012-10-10 | 2012-10-10 | Pole plate component for logger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103726830A CN103726830A (en) | 2014-04-16 |
| CN103726830B true CN103726830B (en) | 2019-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210381068.XA Active CN103726830B (en) | 2012-10-10 | 2012-10-10 | Pole plate component for logger |
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| CN (1) | CN103726830B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321091B (en) * | 2016-08-29 | 2020-06-09 | 中国石油天然气集团公司 | High-temperature ultrahigh-pressure micro-resistivity scanning imaging polar plate and preparation method thereof |
| CN108316914A (en) * | 2017-01-16 | 2018-07-24 | 中国石油集团长城钻探工程有限公司 | Portable resistor rate scanning imagery instrument pole plate |
| CN107178362A (en) * | 2017-07-26 | 2017-09-19 | 中国石油大学(华东) | A kind of oil/gas drilling gas cut early detection device based on impedance bioelectrical measurement |
| CN107605460A (en) * | 2017-10-31 | 2018-01-19 | 中国石油集团川庆钻探工程有限公司 | Cross drilling tool memory-type logger pole plate of microresistivity scanning imaging |
| CN110725681A (en) * | 2018-07-16 | 2020-01-24 | 中国石油化工股份有限公司 | Near-bit measuring device |
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|---|---|
| CN103726830A (en) | 2014-04-16 |
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