CN106246174B - A kind of column specific retention detection probe based on electromagnetic wave - Google Patents
A kind of column specific retention detection probe based on electromagnetic wave Download PDFInfo
- Publication number
- CN106246174B CN106246174B CN201610663697.XA CN201610663697A CN106246174B CN 106246174 B CN106246174 B CN 106246174B CN 201610663697 A CN201610663697 A CN 201610663697A CN 106246174 B CN106246174 B CN 106246174B
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- China
- Prior art keywords
- helicla flute
- detection probe
- electromagnetic wave
- specific retention
- cable
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
Abstract
The column specific retention detection probe based on electromagnetic wave that the invention discloses a kind of, bottom mounting base, cubic locking post and helicla flute cylinder including integrated molding from bottom to top；Wherein, it is offered in the circumferential direction of bottom mounting base for the external screw thread with the locking connection of electromagnetic wave retention rate instrument shell, 6 T-type helicla flutes disposed in parallel are offered in the circumferential direction of helicla flute cylinder, line block mounting hole was offered at the center of bottom mounting base and cubic locking post, T-type helicla flute one end is connected to by the 6 oblique cable-through holes opened up in the circumferential direction of helicla flute cylinder bottom with line block mounting hole is crossed, the horizontal cable-through hole corresponding connection two-by-two that the T-type helicla flute other end passes through 3 horizontal parallels opened up at the top of helicla flute cylinder.Column specific retention detection probe provided by the invention, installation dimension is small, high resolution, can satisfy the design requirement of the array instrument suitable for high angle hole and horizontal well, structure is simple, easy to use, and practical significance is great.
Description
Technical field:
The column specific retention detection probe based on electromagnetic wave that the present invention relates to a kind of is used for petroleum exploration logging field water holding
The detector of rate instrument.
Background technique:
In Petroleum Production logger field, it is related to a kind of utilizing electromagnetic phase shift size and underground oil-water mixed proportion
Between the instrument logged well of relationship；In this production logging instrument, common probe is coaxial-type electromagnetic wave phase method
Probe, due to being limited by this probe measurement mode and internal and external conductor proportionate relationship, probe size is larger, existing structure without
Method meets the array measurement requirement of high angle hole and horizontal well, and equivalent length of popping one's head in is shorter, and resolution ratio is low.
Summary of the invention:
The purpose of the invention is to improve detector resolution, increase investigation depth, reduces detector volume, provide
A kind of cylindrical helical line probe based on electromagnetic wave phase method, installation dimension is small, high resolution, can satisfy and is suitable for greatly tiltedly
The design requirement of the array instrument of well and horizontal well is spent, structure is simple, easy to use, and practical significance is great.
In order to achieve the above objectives, the present invention adopts the following technical scheme that realize:
A kind of column specific retention detection probe based on electromagnetic wave, the bottom installation including integrated molding from bottom to top
Seat, cubic locking post and helicla flute cylinder；Wherein,
It is offered in the circumferential direction of bottom mounting base for the external screw thread with the locking connection of electromagnetic wave retention rate instrument shell, spiral shell
6 T-type helicla flutes disposed in parallel are offered in the circumferential direction of spin slot cylinder, are opened at bottom mounting base and the center of cubic locking post
It was equipped with line block mounting hole, T-type helicla flute one end passes through the 6 oblique cable-through holes opened up in the circumferential direction of helicla flute cylinder bottom and crosses line
The connection of block mounting hole, the T-type helicla flute other end pass through the horizontal cable-through hole two of 3 horizontal parallels opened up at the top of helicla flute cylinder
Two corresponding connections.
A further improvement of the present invention lies in that being additionally provided with first shaft shoulder between bottom mounting base and cubic locking post.
A further improvement of the present invention lies in that being also provided with sealing ring mounting groove between bottom mounting base and first shaft shoulder.
A further improvement of the present invention lies in that being additionally provided with second shaft shoulder between cubic locking post and helicla flute cylinder.
A further improvement of the present invention lies in that the top of helicla flute cylinder is cone-shaped.
A further improvement of the present invention lies in that further including line block, cross equal in the circumferential direction of its axis along being parallel in line block
It is even to offer 6 cable-through holes, when work, crosses the setting of line block and crossing line block mounting hole.
A further improvement of the present invention lies in that 3 screw type conductors are after 3 cable-through holes from 3 oblique lines excessively when work
Hole is drawn, and is wrapped in 3 T-type helicla flutes, and is wrapped in other 3 T-type helicla flutes after drawing from 3 horizontal cable-through holes
It is interior, it eventually passes through other 3 cable-through holes and draws, wherein one end of 3 screw type conductors and the transmitting terminal of transmitter and receiver circuit
It is connected, the other end is connected with the receiving end of transmitter and receiver circuit.
A further improvement of the present invention lies in that the column specific retention detection probe uses high-temperature-resistant high-pressure-resistant insulating materials system
At.
A further improvement of the present invention lies in that 6 T-type helicla flutes disposed in parallel equidistantly arrange.
Compared with prior art, a kind of column specific retention detection probe based on electromagnetic wave provided by the invention is big oblique
The industry section specific retention measurement of degree well and horizontal well provides new technical support, establishes for the design of array image-forming instrument
Basis.Volume is the 1/10 of coaxial-type detector, and effective length is 3 times of coaxial-type detector, and dynamic range is increased to by 240
810, investigation depth is significantly improved with resolution ratio.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of column specific retention detection probe；
Fig. 2 was the structural schematic diagram of line block；
Fig. 3 is the bottom schematic view of column specific retention detection probe；
Fig. 4 is the connection schematic diagram of column specific retention detection probe.
In figure: the bottom 1- mounting base, 2- sealing ring mounting groove, first shaft shoulder of 3-, the four directions 4- locking post, second shaft shoulder of 5-,
6- helicla flute cylinder, 7- cross line block, 8- screw type conductor；
101- crosses line block mounting hole, the oblique cable-through hole of 601-, 602-T type helicla flute, the horizontal cable-through hole of 603-, and 701- crosses line
Hole.
Specific embodiment:
Below in conjunction with attached drawing, the present invention is described in further detail.
Referring to attached drawing 1 to Fig. 3, a kind of column specific retention detection probe based on electromagnetic wave provided by the invention, including from
The bottom mounting base 1 of lower and upper integrated molding, cubic locking post 4 and helicla flute cylinder 6；Wherein, the week of bottom mounting base 1
The external screw thread for connecting with the locking of electromagnetic wave retention rate instrument shell is offered upwards, is opened up in the circumferential direction of helicla flute cylinder 6
There are 6 T-type helicla flutes 602 disposed in parallel, offered the installation of line block at bottom mounting base 1 and the center of cubic locking post 4
Hole 101,602 one end of T-type helicla flute are pacified by 6 opened up in 6 bottom circumferential direction of helicla flute cylinder oblique cable-through holes 601 with line block is crossed
It fills hole 6 to be connected to, 602 other end of T-type helicla flute passes through the horizontal cable-through hole of 3 horizontal parallels opened up at the top of helicla flute cylinder 6
603 corresponding connections two-by-two.Wherein, first shaft shoulder 3, bottom mounting base are additionally provided between bottom mounting base 1 and cubic locking post 4
1 and first is also provided with sealing ring mounting groove 2 between the shaft shoulder 3, and seal groove is for installing sealing ring, to ensure retention rate instrument
Interior storehouse is isolated with external high temperature hyperbaric environment.Second shaft shoulder 5 is additionally provided between cubic locking post 4 and helicla flute cylinder 6.Its
In, cubic locking post 4 is the cubic column structure designed in column specific retention detection probe, and column specific retention is facilitated to examine
Fixture is puted forth effort when probing head is installed.External screw thread in the mounting base circumferential direction of bottom is held for column specific retention detection probe with electromagnetic wave
The locking connection of water rate Instrument shell.The screw type conductor 8 is made of the good conductor of surface insulation, and the screw type conductor 8 is pacified
Loaded in above-mentioned T-type helicla flute 602, conductor is higher than damaged surface after installation.
When work, the screw type conductor 8 processed is mounted in T-type helicla flute 602, screw type conductor 8 is in column knot
It is connected to two-by-two at the top of structure by 3 parallel horizontal cable-through holes 603；Screw type conductor 8 is from column structure lower end T-type helicla flute
602 corresponding 6 oblique cable-through holes 601 penetrate, and converge at columnar shape basal end and install in the cable-through hole 701 of line block 7, and by mistake
The cable-through hole 701 of line block 7 is drawn.The end of 6 screw type conductors was inserted into one end of 6 cable-through holes of line block respectively, and with
Slowly uniform speed draws 6 conductors from the cable-through hole other end, holds 6 conductor helix ends, keeping parallelism, then
It slowly will be in the mounting hole of cable-through hole push-in columnar shape basal bottom；Referring to shown in attached drawing 4,3 helix connections are passed through coaxial
Radio frequency line is connected to transmitter and receiver circuit.
In addition, the performance in order to guarantee good column specific retention detection probe, there is following 3 point requirement:
1, the material thermal expansion coefficient of screw type conductor 8 is almost the same with column specific retention detection probe, and material has
Preferable ductility；
2, the mechanical structure of each T-type helicla flute, including assembly geometric tolerance, will there is higher coherence request.
3, the T-type helicla flute in column specific retention detection probe wants smooth, impulse- free robustness, and screw type conductor ensures to install completely
In T-type helicla flute, screw type conductor will be in close contact with T-type helicla flute slot bottom；
4, material high temperature high voltage resistant, the acid-alkali-corrosive-resisting of column specific retention detection probe.
Claims (7)
1. a kind of column specific retention detection probe based on electromagnetic wave, which is characterized in that including integrated molding from bottom to top
Bottom mounting base (1), cubic locking post (4) and helicla flute cylinder (6)；Wherein,
It is offered in the circumferential direction of bottom mounting base (1) for the external screw thread with the locking connection of electromagnetic wave retention rate instrument shell, spiral shell
6 T-type helicla flutes (602) disposed in parallel, bottom mounting base (1) and four directions locking are offered in the circumferential direction of spin slot cylinder (6)
Line block mounting hole (101) was offered at the center of column (4), T-type helicla flute (602) one end passes through helicla flute cylinder (6) bottom
The oblique cable-through hole (601) of 6 opened up in circumferential direction is connected to line block mounting hole (6) are crossed, and T-type helicla flute (602) other end passes through spiral shell
The corresponding connection two-by-two of the horizontal cable-through hole (603) of 3 horizontal parallels opened up at the top of spin slot cylinder (6)；In addition, further including line
Block (7) is crossed in line block (7) and is uniformly provided with 6 cable-through holes (701) along being parallel in the circumferential direction of its axis, when work, crosses line block
(7) setting is being crossed in line block mounting hole (101)；
When work, 3 screw type conductors (8) are drawn after passing through 3 cable-through holes (701) from 3 oblique cable-through holes (601), and are wound
Other 3 T-type helicla flutes (602) are wrapped in 3 T-type helicla flutes (602), and after drawing from 3 horizontal cable-through holes (603)
It is interior, it eventually passes through other 3 cable-through holes (701) and draws, wherein one end of 3 screw type conductors (8) and transmitter and receiver circuit
Transmitting terminal be connected, the other end is connected with the receiving end of transmitter and receiver circuit.
2. a kind of column specific retention detection probe based on electromagnetic wave according to claim 1, which is characterized in that bottom peace
First shaft shoulder (3) are additionally provided between dress seat (1) and cubic locking post (4).
3. a kind of column specific retention detection probe based on electromagnetic wave according to claim 2, which is characterized in that bottom peace
Sealing ring mounting groove (2) are also provided between dress seat (1) and first shaft shoulder (3).
4. a kind of column specific retention detection probe based on electromagnetic wave according to claim 2, which is characterized in that four directions lock
Second shaft shoulder (5) are additionally provided between tight column (4) and helicla flute cylinder (6).
5. a kind of column specific retention detection probe based on electromagnetic wave according to claim 1, which is characterized in that helicla flute
The top of cylinder (6) is cone-shaped.
6. a kind of column specific retention detection probe based on electromagnetic wave according to claim 1, which is characterized in that the column
Specific retention detection probe is made of high-temperature-resistant high-pressure-resistant insulating materials.
7. a kind of column specific retention detection probe based on electromagnetic wave according to claim 1, which is characterized in that 6 flat
The T-type helicla flute (602) of row setting equidistantly arranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610663697.XA CN106246174B (en) | 2016-08-12 | 2016-08-12 | A kind of column specific retention detection probe based on electromagnetic wave |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610663697.XA CN106246174B (en) | 2016-08-12 | 2016-08-12 | A kind of column specific retention detection probe based on electromagnetic wave |
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| CN106246174A CN106246174A (en) | 2016-12-21 |
| CN106246174B true CN106246174B (en) | 2019-06-11 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654226A (en) * | 2017-08-23 | 2018-02-02 | 中国石油天然气股份有限公司 | Underground moisture content meter |
| CN110578512B (en) * | 2019-08-29 | 2023-08-18 | 长江大学 | Transmission line sensor and array type water holdup detecting instrument |
| CN111119844A (en) * | 2019-12-27 | 2020-05-08 | 中国石油天然气集团有限公司 | Array water holdup imaging detector based on high-frequency periodic wave phase shift method |
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| CN106246174A (en) | 2016-12-21 |
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