CN110244422A - A kind of armored optical cable adherent coupling device and method in metallic sheath pipe well - Google Patents
A kind of armored optical cable adherent coupling device and method in metallic sheath pipe well Download PDFInfo
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- CN110244422A CN110244422A CN201910644201.8A CN201910644201A CN110244422A CN 110244422 A CN110244422 A CN 110244422A CN 201910644201 A CN201910644201 A CN 201910644201A CN 110244422 A CN110244422 A CN 110244422A
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- cable
- optical cable
- armored optical
- armouring
- optoelectronic composite
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/4459—Ducts; Conduits; Hollow tubes for air blown fibres
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/56—Processes for repairing optical cables
- G02B6/562—Processes for repairing optical cables locatable, e.g. using magnetic means
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The present invention discloses a kind of armored optical cable or armouring optoelectronic composite cable adherent coupling device and method in metallic sheath pipe well, applied to wellhole technical field of geophysical exploration, for the adherent coupled problem for solving existing armored optical cable or armouring optoelectronic composite cable and casing or tube inner wall, the present invention by installing magnet and its magnetic metal sheath at equal intervals on armored optical cable or armouring optoelectronic composite cable, the armored optical cable or armouring optoelectronic composite cable for being placed on cloth in metal sleeve or metal oil conduit are able to carry out reliable adherent coupling, and there are grooves in magnetic metal sheath side, armored optical cable or armouring optoelectronic composite cable are fixed in the groove, and there are groove sides can fit closely with metal sleeve under magnetic force sucking action for magnetic metal sheath, enhance the degree of coupling of armored optical cable or armouring optoelectronic composite cable and metal sleeve, so that Seismic data or borehole microseismic data in higher-quality well can be acquired by sensing armored optical cable or armouring optoelectronic composite cable with distributed sound wave.
Description
Technical field
The invention belongs to wellhole technical field of geophysical exploration, in particular to a kind of armored optical cable is in metallic sheath pipe well
Adherent coupling device and method.
Background technique
Distribution type fiber-optic vibration-sensing technology uses the earthquake in production wells in well of armored optical cable or armouring optoelectronic composite cable
Data carry out micro-seismic monitoring.Armored optical cable or armouring optoelectronic composite cable can be fixed on outside casing with cement is permanent
Side can also be fixed on the outside of oil pipe with clip, can also be transferred in casing or in oil pipe with weight, be used for production wells
Middle seismic data carries out micro-seismic monitoring.When being transferred in casing or in oil pipe with weight, due to armored optical cable or
The rigidity of armouring optoelectronic composite cable itself, most armored optical cable or armouring optoelectronic composite cable can be as stretching the spring held
It sticks on internal surface of sleeve pipe or tube inner wall, close adherent armored optical cable or armouring optoelectronic composite cable can preferably and casing
Or tube inner wall coupling travels to earthquake or microseism signal in the well on casing or oil pipe to incude.
Due to variation when casing inner diameter is in more casing replacing etc., causes armored optical cable or armouring optoelectronic composite cable exists
Part well section can not be carried out with casing or tube inner wall it is adherent couple, cause the armored optical cable of these well sections or armouring photoelectricity compound
Cable can not effectively incude earthquake or microseism signal in the well for traveling to casing or oil pipe, with reaching in the well of casing or oil pipe
Shake signal also will cause the oscillation of no adherent coupled section armored optical cable or armouring optoelectronic composite cable simultaneously, in the not adherent of record
There is macroseism width oscillator noise in seismic data in coupling armored optical cable or the well of armouring optoelectronic composite cable position, greatly reduces
The quality of earthquake or microseism data in the well of distribution type fiber-optic vibration-sensing system acquisition.
Summary of the invention
In order to solve the above technical problems, the present invention proposes a kind of armored optical cable or armouring optoelectronic composite cable in metallic sheath pipe well
In adherent coupling device and method, using alnico magnets or electromagnet, so that armored optical cable or armouring optoelectronic composite cable and set
Pipe or tube inner wall carry out adherent coupling.
One of the technical solution adopted by the present invention are as follows: a kind of armored optical cable or armouring optoelectronic composite cable are in metallic sheath pipe well
Adherent coupling device, comprising: hollow metal sleeve 1, armored optical cable or armouring optoelectronic composite cable 2, armored optical cable or armouring light
Magnetic metal sheath fixing piece, the magnetic metal sheath 5, permanent magnet installed at equal intervals on photoelectric compound cable 2；The armored optical cable
Or armouring optoelectronic composite cable 2 passes through the metal sleeve 1；The permanent magnet is wrapped in magnetic metal sheath 5；The magnetic gold
Belong to sheath 5 to be installed at the magnetic metal sheath fixing piece on armored optical cable or armouring optoelectronic composite cable 2；When armored optical cable or armour
After filling the decentralization to shaft bottom or predetermined depth of optoelectronic composite cable 2, loosen the pulling force on armored optical cable or armouring optoelectronic composite cable 2, wraps
It wraps up in while the protective metal shell 5 of magnet is adsorbed on 1 inner wall of metal sleeve and pushes against armored optical cable or armouring optoelectronic composite cable 2
On 1 inner wall of metal sleeve.
Further, the permanent magnet is replaced with into electromagnet, further includes: cable 3 and surface power supply power supply, the electricity
Magnet is wrapped in magnetic metal sheath 5；The cable 3 is integrated in armored optical cable or armouring optoelectronic composite cable 2, and cable 3 connects
Ground plane power supply, and cable 3 also with the electromagnetism iron phase at the magnetic metal sheath fixing piece on armouring optoelectronic composite cable 2
Even；After armored optical cable or the decentralization of armouring optoelectronic composite cable 2 to shaft bottom or predetermined depth, surface power supply power supply is that electromagnet is positive
Power supply is wrapped up while the protective metal shell 5 of electromagnet is adsorbed on 1 inner wall of metal sleeve that armored optical cable or armouring photoelectricity is compound
Cable 2 pushes against on 1 inner wall of metal sleeve.
Further, there are grooves, the groove aperture to be greater than or equal to armored optical cable for 5 side of magnetic metal sheath
Or outer diameter at the magnetic metal sheath fixing piece on armouring optoelectronic composite cable 2, magnetic metal sheath are fixed on armour by the groove
It fills at the magnetic metal sheath fixing piece on optoelectronic composite cable 2；The magnetic metal sheath 5 stays reeded side can be in magnetic force
It is close under sucking action with 1 inner wall of metal sleeve.
Further, the electromagnet further includes reverse power supply；When reverse power supply, the protective metal shell 5 of magnet is wrapped up
Armored optical cable or armouring optoelectronic composite cable 2 are pushed away into 1 inner wall of metal sleeve while pushing away 1 inner wall of metal sleeve.
The two of the technical solution adopted by the present invention are as follows: a kind of armored optical cable or armouring optoelectronic composite cable are in metallic sheath pipe well
Adherent coupling process, by the mounting permanent magnet module at equal intervals on armored optical cable or armouring optoelectronic composite cable 2, when armouring light
After cable or the decentralization to shaft bottom or predetermined depth of armouring optoelectronic composite cable 2, loosen the drawing on armored optical cable or armouring optoelectronic composite cable 2
Armored optical cable or armouring optoelectronic composite cable 2 are pushed against gold while permanent magnet module is adsorbed on 1 inner wall of metal sleeve by power
Belong on 1 inner wall of casing.
Further, there are groove, armored optical cable or armouring optoelectronic composite cables 2 to be fixed on for permanent magnet module side
In the groove, the permanent magnet module stays reeded side that can fit closely with 1 inner wall of metal sleeve.
A kind of the three of the technical solution adopted by the present invention are as follows: armouring optoelectronic composite cable adherent coupling side in metallic sheath pipe well
Method, by installing electromagnet module at equal intervals on armored optical cable or armouring optoelectronic composite cable 2, when armored optical cable or armouring photoelectricity
After the decentralization to shaft bottom or predetermined depth of composite rope 2, by powering for electromagnet module forward direction, electromagnet module is adsorbed to metallic sheath
Armored optical cable or armouring optoelectronic composite cable 2 are pushed against on 1 inner wall of metal sleeve while on 1 inner wall of pipe.
Further, there are groove, armored optical cable or armouring optoelectronic composite cables 2 to be fixed on this for the electromagnet module side
In groove, the electromagnet module stays reeded side that can fit closely with 1 inner wall of metal sleeve.
It further, further include so that electromagnet module is pushed away 1 inner wall of metal sleeve to electromagnet module reverse power supply
Armored optical cable or armouring optoelectronic composite cable 2 are pushed away into 1 inner wall of metal sleeve simultaneously.
Beneficial effects of the present invention: the present invention is by the way that installation is permanent at equal intervals on armored optical cable or armouring optoelectronic composite cable
Magnet, by armored optical cable or the backup of armouring optoelectronic composite cable to metal pipe sleeve inner wall, adds when magnet is adsorbed onto metal pipe sleeve
Strong armored optical cable or armouring optoelectronic composite cable are coupled with metal pipe sleeve inner wall, and the present invention has following advantages:
1, the magnetic metal sheath side for wrapping up magnet is equipped with groove, is fixed the magnetic metal sheath by the groove
On armored optical cable or armouring optoelectronic composite cable；And it can be fitted closely with metal sleeve equipped with groove side；It further enhances
Armored optical cable or armouring optoelectronic composite cable are coupled with metal pipe sleeve inner wall；So that distributed sound wave sensing armored optical cable or armouring light
Photoelectric compound cable collects seismic data or borehole microseismic data in higher-quality well；
2, electromagnet of the present invention can be changed electromagnet magnetic force direction, will be adsorbed by mud by reverse power supply
The armored optical cable or armouring optoelectronic composite cable that can not be fallen off on metal sleeve inner wall push away metal sleeve.
Detailed description of the invention
Fig. 1 is armored optical cable of the invention or armouring the optoelectronic composite cable adherent coupling device in metallic sheath pipe well；
Fig. 2 is armored optical cable of the invention or armouring the optoelectronic composite cable adherent coupling device perspective in metallic sheath pipe well
Figure；
Fig. 3 is magnetic metal sheath top view provided in an embodiment of the present invention；
Fig. 4 is electromagnetic induction coil and shaped iron core combined structure signal in electromagnet protective metal shell provided in an embodiment of the present invention
Figure；
Appended drawing reference: 1 is metal sleeve, and 2 be armored optical cable or armouring optoelectronic composite cable, and 3 be cable, and 4 be optical fiber, and 5 are
Magnetic metal sheath, 6 be circular groove, and 7 be electromagnet coil, and 8 be iron core.
Specific embodiment
In order to solve armored optical cable or armouring optoelectronic composite cable existing in the prior art part well section can not be with casing
Or tube inner wall carries out the problem of adherent coupling, the present invention is by installing permanent magnetic on armored optical cable or armouring optoelectronic composite cable
The method of iron or electromagnet, so that can make armored optical cable or armouring optoelectronic composite cable reliable in metal sleeve or metal oil conduit
Adherent coupling, in order to use distributed sound wave sensing armored optical cable or armouring optoelectronic composite cable acquisition high quality well in earthquake
Data or borehole microseismic data.
It is illustrated below in conjunction with the attached drawing contents of the present invention:
Embodiment one
As shown in Figure 1, a kind of armored optical cable of the invention or the adherent coupling in metallic sheath pipe well of armouring optoelectronic composite cable
Device, comprising: hollow metal sleeve 1, armored optical cable or armouring optoelectronic composite cable 2, armored optical cable or armouring optoelectronic composite cable 2
On magnetic metal sheath fixing piece, the magnetic metal sheath 5, permanent magnet installed at equal intervals；The permanent magnet is wrapped in magnetic
In property protective metal shell 5；The magnetic metal sheath 5 is installed on the shield of the magnetic metal on armored optical cable or armouring optoelectronic composite cable 2
It covers at fixing piece；After armored optical cable or the decentralization of armouring optoelectronic composite cable 2 to shaft bottom or predetermined depth, loosen armored optical cable or armour
The pulling force on optoelectronic composite cable 2 is filled, is wrapped up armour while the protective metal shell 5 of permanent magnet is adsorbed on 1 inner wall of metal sleeve
Dress optical cable or armouring optoelectronic composite cable 2 push against on 1 inner wall of metal sleeve.
The magnetic metal sheath fixing piece institute installed at equal intervals on armored optical cable or armouring optoelectronic composite cable 2 in the present embodiment
Stating at equal intervals can be 10 meters with reference to casing length in practice, by fixing one by magnetic force attraction at the middle part of every casing
Magnetic metal sheath realizes the effect for protecting and being secured across armored optical cable or armouring optoelectronic composite cable therein, then of the invention
In adjacent two Magnetic protection sleeve interval be set as 10 meters.
In order to improve the degree of coupling of armored optical cable or armouring optoelectronic composite cable 2 and 1 inner wall of metal sleeve, the present invention is in magnetic
Property 5 side of protective metal shell there are groove, the groove aperture is greater than or equal to the magnetic on armored optical cable or armouring optoelectronic composite cable 2
Outer diameter at property protective metal shell fixing piece, magnetic metal sheath are fixed on armored optical cable or armouring optoelectronic composite cable 2 by the groove
On magnetic metal sheath fixing piece at；The magnetic metal sheath 5 stay reeded side can under magnetic force sucking action with
Metal sleeve inner wall is close to.
As shown in Fig. 2, common metal casing or metal oil conduit are hollow cylinder, it can be by magnetic metal in the present embodiment
Sheath 5 is made as semicircle, as shown in figure 3, semicircle magnetic metal sheath 5 circular arc side midline position there are circular groove 6,
For disposing armored optical cable or armouring optoelectronic composite cable 2, the aperture of the circular groove 6 is greater than or equal to the circular groove 6
The outer diameter at magnetic metal sheath fixing piece on armored optical cable or armouring optoelectronic composite cable 2；The semicircle magnetic metal shield
The radius of set 5 is identical as the radius of 1 inner wall of metal sleeve or is close, and magnetic metal sheath 5 can be enabled to exist in this way
It is close to 1 inner wall of casing, while the armouring light that will be placed among 5 circular arc side of magnetic metal sheath in circular groove 6 when work
Cable or armouring optoelectronic composite cable 2 push against 1 inner wall of casing up, ensure that armored optical cable or armouring optoelectronic composite cable 2 and metal
The degree of coupling of 1 inner wall of casing, so that distributed sound wave sensing armored optical cable or armouring optoelectronic composite cable 2 collect higher quality
Well in seismic data or borehole microseismic data.
Embodiment two
It further include cable 3 when using electromagnet, the cable 3 connects surface power supply power supply, and is integrated in armored optical cable
Or in armouring optoelectronic composite cable 2, cable 3 is connected with each electromagnet；As shown in figure 4, the electromagnet further include: electromagnet coil
7, the iron core 8 at electromagnet center；After armored optical cable or the decentralization of armouring optoelectronic composite cable 2 to shaft bottom or predetermined depth, pass through ground
The electromagnet that face power supply and control unit are equidistantly mounted on armored optical cable or armouring optoelectronic composite cable 2 to 10 meters or so
Coil 7 is powered, and electric current converts electrical energy into magnetic field, then the magnetic force generated by magnetic field by coil 7, acts on electromagnet center
Iron core 8 acts iron core 8, so that magnetic metal sheath 5 can be adsorbed onto 1 inner wall of metal sleeve up as magnet, simultaneously
Armored optical cable or armouring optoelectronic composite cable 2 are pushed against on 1 inner wall of metal sleeve.
The working principle of electromagnet is exactly to use electromagnetic induction principle, mainly uses Bio-Salva law and kirchhoff
Law carries out Magnetic Field Design, calculates.Electromagnet itself has nonmagnetic, can be controlled by electric current of make-and-break, magnetic size can
To be controlled by the size for changing electric current, the direction of magnetic pole is determined by sense of current.Electromagnet is by the outside of iron core
Winding is constituted with the conductive winding that its power matches, and this coil to alive has magnetism as magnet.Usually system
It is in strip or ungulate shape, so that iron core is more easier to magnetize.In addition, often using and disappearing to make electromagnet power off demagnetization immediately
The faster soft iron of magnetic or silicon steel material make.Such electromagnet is magnetic when being powered, magnetic after power-off just to disappear therewith.
Electromagnet can be divided into DC electromagnet and alternating electromagnet by the property of its coil current；Traction electromagnetism can be divided by purposes difference
Iron, Breake Electromagnet, lifting electromagnet and other kinds of Special electric magnet.Tractive magnet is mainly used for automatic control equipment
In, for drawing or repulsion mechanical device, to achieve the purpose that automatic control or remote control.
Electromagnet after energization can be such that semicircular electromagnet magnetic metal sheath 5 is adsorbed onto and be close to metal sleeve 1
Inner wall will be placed in armored optical cable or armouring photoelectricity among 5 circular arc side of semicircular electromagnet magnetic metal sheath in circular trough 6
Composite rope 2 pushes against 1 inner wall of casing up, improves armored optical cable or armouring optoelectronic composite cable 2 in the adherent coupling of 1 inner wall of casing
Degree.During earthquake or borehole microseismic data acquire in well, surface power supply and control unit be always maintained at it is continual to
The electromagnet forward direction of all undergrounds is powered, to guarantee 5 steady operation of semicircular electromagnet and its magnetic metal sheath, by armouring light
On cable or the firm adherent inner wall for being coupled in Steel Casing 1 of armouring optoelectronic composite cable 2.
After earthquake in well or borehole microseismic data acquire, the power supply on ground and control unit are disconnected in time to well
The power supply of lower electromagnet, the magnetic force of electromagnet disappears at this time, and semicircular electromagnet magnetic metal sheath 5 is no longer attracted by the magnetic force
On 1 inner wall of Steel Casing, armored optical cable or armouring optoelectronic composite cable 2 be will be disengaged from and adherent the coupling of 1 inner wall of Steel Casing.If
Electromagnetism ferromagnetic metal sheath 5 and armored optical cable or armouring optoelectronic composite cable 2 after power-off is since long-time is by the magnetic of electromagnet
Gravitational attraction can be reversed when being adsorbed on after on 1 inner wall of metal sleeve by the mud in well can not fall off on 1 inner wall of casing to electricity
Magnet power supply, magnetic force direction at this time change, and reversed magnetic force will push away electromagnetism ferromagnetic metal sheath 5 in casing 1
Wall makes electromagnetism ferromagnetic metal sheath 5 and armored optical cable or armouring optoelectronic composite cable 2 get rid of the absorption of mud in well.At this time
The winch of face armouring optoelectronic composite cable 2 starts, and armored optical cable or armouring optoelectronic composite cable 2 are proposed in well upwards, are recovered to
On the armored optical cable on ground or the winch of armouring optoelectronic composite cable 2, when each semicircle permanent magnet or electromagnetism ferromagnetic metal
When sheath 5 mentions well head, permanent magnet or electromagnet sheath 5 are removed into recycling from armored optical cable or armouring optoelectronic composite cable 2.
It further include optical fiber 4 in armored optical cable or armouring optoelectronic composite cable 2 in above-mentioned two embodiment.
Those of ordinary skill in the art will understand that the embodiments described herein, which is to help reader, understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such specific embodiments and embodiments.For ability
For the technical staff in domain, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made
Any modification, equivalent substitution, improvement and etc. should be included within scope of the presently claimed invention.
Claims (9)
1. a kind of armored optical cable or armouring the optoelectronic composite cable adherent coupling device in metallic sheath pipe well characterized by comprising
Hollow metal sleeve (1), armored optical cable or armouring optoelectronic composite cable (2), armored optical cable or armouring optoelectronic composite cable (2) are first-class
It is spaced magnetic metal sheath fixing piece, the magnetic metal sheath (5), permanent magnet of installation；The armored optical cable or armouring photoelectricity
Composite rope (2) passes through the metal sleeve (1)；The permanent magnet is wrapped in magnetic metal sheath (5)；The magnetic metal shield
Set (5) is installed at the magnetic metal sheath fixing piece on armored optical cable or armouring optoelectronic composite cable (2)；When armored optical cable or armour
After filling optoelectronic composite cable (2) decentralization to shaft bottom or predetermined depth, loosen the drawing on armored optical cable or armouring optoelectronic composite cable (2)
Power is wrapped up while the protective metal shell (5) of magnet is adsorbed on metal sleeve (1) inner wall that armored optical cable or armouring photoelectricity is compound
Cable (2) pushes against on metal sleeve (1) inner wall.
2. a kind of armored optical cable according to claim 1 or armouring the optoelectronic composite cable adherent coupling dress in metallic sheath pipe well
It sets, which is characterized in that the permanent magnet is replaced with into electromagnet, further includes: cable (3) and surface power supply power supply, the electricity
Magnet is wrapped in magnetic metal sheath (5)；The cable (3) is integrated in armored optical cable or armouring optoelectronic composite cable (2), electricity
Cable (3) connects surface power supply power supply, and cable (3) is also protected with the magnetic metal on armored optical cable or armouring optoelectronic composite cable (2)
The electromagnet at fixing piece is covered to be connected；After armored optical cable or armouring optoelectronic composite cable (2) decentralization to shaft bottom or predetermined depth, ground
Face power supply be electromagnet forward direction power supply, wrap up electromagnet protective metal shell (5) be adsorbed to it is same on metal sleeve (1) inner wall
When armored optical cable or armouring optoelectronic composite cable (2) are pushed against on metal sleeve (1) inner wall.
3. a kind of armored optical cable according to claim 1 or 2 or armouring the optoelectronic composite cable adherent coupling in metallic sheath pipe well
It attaches together and sets, which is characterized in that there are groove, the groove apertures to be greater than or equal to armouring for magnetic metal sheath (5) side
Outer diameter at magnetic metal sheath fixing piece on optical cable or armouring optoelectronic composite cable (2), magnetic metal sheath are solid by the groove
At the magnetic metal sheath fixing piece on armored optical cable or armouring optoelectronic composite cable (2)；The magnetic metal sheath (5) is stayed
Reeded side can be close under magnetic force sucking action with metal sleeve (1) inner wall.
4. a kind of armored optical cable according to claim 3 or armouring the optoelectronic composite cable adherent coupling dress in metallic sheath pipe well
It sets, which is characterized in that the electromagnet further includes reverse power supply；When reverse power supply, the protective metal shell (5) for wrapping up magnet is pushed away
Armored optical cable or armouring optoelectronic composite cable (2) are pushed away into metal sleeve (1) inner wall while metal sleeve (1) inner wall.
5. a kind of armored optical cable or armouring the optoelectronic composite cable adherent coupling process in metallic sheath pipe well, which is characterized in that pass through
The mounting permanent magnet module at equal intervals on armored optical cable or armouring optoelectronic composite cable (2), when armored optical cable or armouring photoelectricity are multiple
After closing cable (2) decentralization to shaft bottom or predetermined depth, loosen the pulling force on armored optical cable or armouring optoelectronic composite cable (2), permanent magnetic
Armored optical cable or armouring optoelectronic composite cable (2) are pushed against into metallic sheath while swage block is adsorbed on metal sleeve (1) inner wall
It manages on (1) inner wall.
6. a kind of armored optical cable according to claim 5 or armouring the optoelectronic composite cable adherent coupling side in metallic sheath pipe well
Method, which is characterized in that there are groove, armored optical cable or armouring optoelectronic composite cables (2) to be fixed on for permanent magnet module side
In the groove, the permanent magnet module stays reeded side that can fit closely with metal sleeve (1) inner wall.
7. a kind of armored optical cable or armouring the optoelectronic composite cable adherent coupling process in metallic sheath pipe well, which is characterized in that pass through
Electromagnet module is installed at equal intervals on armored optical cable or armouring optoelectronic composite cable (2), when armored optical cable or armouring photoelectricity are compound
After cable (2) decentralization to shaft bottom or predetermined depth, by powering for electromagnet module forward direction, electromagnet module is adsorbed to metal sleeve
(1) on inner wall armored optical cable or armouring optoelectronic composite cable (2) are pushed against on metal sleeve (1) inner wall while.
8. a kind of armored optical cable according to claim 7 or armouring the optoelectronic composite cable adherent coupling side in metallic sheath pipe well
Method, which is characterized in that there are groove, armored optical cable or armouring optoelectronic composite cables (2) to be fixed on this for the electromagnet module side
In groove, the electromagnet module stays reeded side that can fit closely with metal sleeve (1) inner wall.
9. a kind of armored optical cable according to claim 8 or armouring the optoelectronic composite cable adherent coupling side in metallic sheath pipe well
Method, which is characterized in that further include making electromagnet module push away the same of metal sleeve (1) inner wall to electromagnet module reverse power supply
When armored optical cable or armouring optoelectronic composite cable (2) pushed away into metal sleeve (1) inner wall.
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| CN201910644201.8A CN110244422A (en) | 2019-07-17 | 2019-07-17 | A kind of armored optical cable adherent coupling device and method in metallic sheath pipe well |
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| CN110965984A (en) * | 2019-10-23 | 2020-04-07 | 电子科技大学 | Downhole testing optical cable and downhole testing method thereof |
| CN112764179A (en) * | 2020-12-31 | 2021-05-07 | 中油奥博(成都)科技有限公司 | Downhole optical cable and downhole method |
| CN113359258A (en) * | 2021-07-05 | 2021-09-07 | 富通集团（嘉善）通信技术有限公司 | Accompanying optical cable |
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