CN112837854B - Pressure-resistant water-tight and hydrogen-tight distributed sensing optical fiber logging cable - Google Patents
Pressure-resistant water-tight and hydrogen-tight distributed sensing optical fiber logging cable Download PDFInfo
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- CN112837854B CN112837854B CN202011528738.7A CN202011528738A CN112837854B CN 112837854 B CN112837854 B CN 112837854B CN 202011528738 A CN202011528738 A CN 202011528738A CN 112837854 B CN112837854 B CN 112837854B
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- optical fiber
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- cable core
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/22—Cables including at least one electrical conductor together with optical fibres
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0225—Three or more layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1895—Internal space filling-up means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/005—Power cables including optical transmission elements
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Abstract
The invention relates to the technical field of sensing optical fiber logging cables, and discloses a myriameter pressure-resistant watertight and hydrogen-tight distributed sensing optical fiber logging cable which comprises a fixing line rod, wherein a bearing frame is fixedly arranged on the outer surface of the fixing line rod. This ten thousand meters resistance to compression watertight hydrogen density distributed sensing optical fiber logging cable, through setting up the inner filler, outer filler, bear frame and connecting block, can let the bearing load exploration cable make circularly, thereby can effectively transmit at the in-process of output, through setting up main insulation layer and auxiliary insulation layer, six auxiliary insulation layers are around the surface at the main insulation layer, can let the main insulation layer atress the same, thereby avoided main insulation layer and auxiliary insulation layer to take place to bend, let the signal can effectively transmit, bear the frame through setting up, the fixed line pole, the conductor cable core, optical fiber cable core and sensor cable core, can let the sensor cable core atress the same, prevent to take place to bend, transmission rate is low, the problem of bending can take place for the cable.
Description
Technical Field
The invention relates to the technical field of sensing optical fiber logging cables, in particular to a kilometer pressure-resistant watertight and hydrogen-tight distributed sensing optical fiber logging cable.
Background
The logging cable is used for logging, perforating, coring and other operations of various oil wells and gas wells, can also be used for the aspects of water conservancy hydrological measurement, coal field geological exploration, geothermal logging and the like, belongs to a cable for electrical equipment, and has the main functions of bearing tension, supplying power to a system, transmitting signals and controlling depth.
Aiming at the distributed sensing optical fiber logging cable used at present, the existing distributed sensing optical fiber logging cable has certain separation in transmission, and then the transmission rate is influenced, the other distributed sensing optical fiber logging cable can be bent, so that signals can only be partially transmitted and cannot be transmitted, and the use is very inconvenient, and therefore the ten thousand-meter pressure-resistant watertight and hydrogen-tight distributed sensing optical fiber logging cable is provided to solve the problem.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a kilometer pressure-resistant watertight and hydrogen-tight distributed sensing optical fiber logging cable which has the advantages of high transmission rate and capability of avoiding the cable from being bent, and solves the problems of low transmission rate and bending of the cable.
(II) technical scheme
In order to realize the purposes of high transmission rate and avoiding the cable from bending, the invention provides the following technical scheme: the myriameter pressure-resistant watertight and hydrogen-dense distributed sensing optical fiber logging cable comprises a fixed wire rod, wherein a bearing frame is fixedly installed on the outer surface of the fixed wire rod, a conductor cable core is fixedly installed on the outer surface of the bearing frame, an optical fiber cable core corresponding to the conductor cable core is fixedly installed on the outer surface of the bearing frame, a sensor cable core corresponding to the conductor cable core and the optical fiber cable core is fixedly installed on the outer surface of the bearing frame, inner fillers corresponding to the sensor cable core are fixedly installed on the outer surfaces of the conductor cable core and the optical fiber cable core, a main insulating layer is fixedly installed on the outer surface of each inner filler, an auxiliary insulating layer is fixedly installed on the outer surface of each main insulating layer and each auxiliary insulating layer, an outer filler is fixedly installed on the outer surface of each outer filler, a pressure-bearing sheath is fixedly installed on the outer surface of each pressure-bearing sheath, and an outer sheath is fixedly installed on the outer surface of each steel sheath.
Preferably, the number of the auxiliary insulating layers is six, the water-blocking filling layers are filled in the auxiliary insulating layers, the conductor cable cores, the optical fiber cable cores and the sensor cable cores are embedded in the water-blocking filling layers, and the conductor cable cores, the optical fiber cable cores and the sensor cable cores are fixedly connected through the connecting blocks.
Preferably, the outer diameter and the inner diameter of the main insulating layer and the auxiliary insulating layer are the same, and the inner filler and the outer filler are made of clay.
Preferably, the pressure-bearing sheath, the steel armor and the outer sheath are all annular, and the steel armor is made of steel wires.
Preferably, the outer sheath and the pressure-bearing sheath are made of rubber.
Preferably, an included angle formed between the axis of the fixed line rod and the centers of every two adjacent main insulating layers is sixty degrees.
(III) advantageous effects
Compared with the prior art, the invention provides a myriameter pressure-resistant watertight and hydrogen-tight distributed sensing optical fiber logging cable which has the following beneficial effects:
this ten thousand meters resistance to compression watertight hydrogen density distributed sensing optical fiber logging cable, through setting up the inner filler, outer filler, bear frame and connecting block, can let the bearing load exploration cable make circularly, thereby can effectively transmit at the in-process of output, through setting up main insulation layer and auxiliary insulation layer, six auxiliary insulation layers are around the surface at the main insulation layer, can let the main insulation layer atress the same, thereby avoided main insulation layer and auxiliary insulation layer to take place to bend, let the signal can effectively transmit, bear the frame through setting up, the fixed line pole, the conductor cable core, optical fiber cable core and sensor cable core, can let the sensor cable core atress the same, prevent to take place to bend, transmission rate is low, the problem of bending can take place for the cable.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: the cable comprises a fixed wire rod 1, a conductor cable core 2, an inner filler 3, an optical fiber cable core 4, a sensor cable core 5, a bearing frame 6, an outer sheath 7, a steel armor 8, an outer filler 9, a pressure-bearing sheath 10, an auxiliary insulating layer 11 and a main insulating layer 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a millimeter pressure-resistant watertight and hydrogen-tight distributed sensing optical fiber logging cable comprises a fixed wire rod 1, an included angle formed between the axis of the fixed wire rod 1 and the centers of every two adjacent main insulating layers 12 is sixty degrees, a bearing frame 6 is fixedly mounted on the outer surface of the fixed wire rod 1, a conductor core 2 is fixedly mounted on the outer surface of the bearing frame 6, an optical fiber core 4 corresponding to the conductor core 2 is fixedly mounted on the outer surface of the bearing frame 6, a sensor core 5 corresponding to the conductor core 2 and the optical fiber core 4 is fixedly mounted on the outer surface of the bearing frame 6, an inner filler 3 corresponding to the sensor core 5 is fixedly mounted on the outer surfaces of the conductor core 2 and the optical fiber core 4, the main insulating layers 12 are fixedly mounted on the outer surfaces of the inner fillers 3, and the outer diameters and inner diameters of the main insulating layers 12 and the auxiliary insulating layers 11 are the same, the inner filler 3 and the outer filler 9 are made of earth, the outer surface of the main insulating layer 12 is fixedly provided with the auxiliary insulating layer 11, the number of the auxiliary insulating layers 11 is six, the inner portion of the auxiliary insulating layer 11 is filled with a water-blocking filling layer, the conductor cable core 2 is embedded in the water-blocking filling layer, the optical fiber cable core 4 and the sensor cable core 5 are connected through a connecting block, the outer filler 9 is fixedly arranged on the outer surfaces of the main insulating layer 12 and the auxiliary insulating layer 11, the pressure-bearing sheath 10 is fixedly arranged on the outer surface of the outer filler 9, the pressure-bearing sheath 10, the steel armor 8 and the outer sheath 7 are annular, the steel armor 8 is made of steel wires, the armor 8 is fixedly arranged on the outer surface of the pressure-bearing sheath 10, the outer surface of the steel armor 8 is fixedly arranged on the outer surface of the outer armor 7, and the outer sheath 7 and the pressure-bearing sheath 10 are made of rubber.
In conclusion, this ten thousand meters resistance to compression watertight hydrogen density distributed sensing optical fiber logging cable, through setting up inner filler 3, outer filler 9, bear frame 6 and connecting block, can let the load-bearing detection cable make circularly, thereby can effectively transmit at the in-process of output, through setting up main insulation layer 12 and auxiliary insulation layer 11, six auxiliary insulation layers 11 are around the surface at main insulation layer 12, can let main insulation layer 12 atress the same, thereby main insulation layer 12 and auxiliary insulation layer 11 have been avoided taking place to bend, let the signal can effectively transmit, through setting up bear frame 6, fixed line pole 1, conductor cable core 2, optical fiber cable core 4 and sensor cable core 5, can let the sensor cable core atress the same, prevent to take place to bend, the problem that transmission rate is low, the cable can take place to bend is solved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A myriameter pressure-resistant watertight and hydrogen-tight distributed sensing optical fiber logging cable comprises a fixed line rod (1), and is characterized in that: a bearing frame (6) is fixedly mounted on the outer surface of the fixed wire rod (1), a conductor cable core (2) is fixedly mounted on the outer surface of the bearing frame (6), an optical fiber cable core (4) corresponding to the conductor cable core (2) is fixedly mounted on the outer surface of the bearing frame (6), a sensor cable core (5) corresponding to the conductor cable core (2) and the optical fiber cable core (4) is fixedly mounted on the outer surface of the bearing frame (6), an inner filler (3) corresponding to the sensor cable core (5) is fixedly mounted on the outer surfaces of the conductor cable core (2) and the optical fiber cable core (4), a main insulating layer (12) is fixedly mounted on the outer surface of the inner filler (3), a secondary insulating layer (11) is fixedly mounted on the outer surface of the main insulating layer (12), an outer filler (9) is fixedly mounted on the outer surfaces of the main insulating layer (12) and the secondary insulating layer (11), a steel armor (8) is fixedly mounted on the outer surface of the bearing sheath (10), and an outer sheath (7) is fixedly mounted on the outer surface of the steel armor (8);
the cable is characterized in that the number of the auxiliary insulating layers (11) is six, the water-blocking filling layers are filled in the auxiliary insulating layers (11), the conductor cable cores (2), the optical fiber cable cores (4) and the sensor cable cores (5) are embedded in the water-blocking filling layers, and the conductor cable cores (2), the optical fiber cable cores (4) and the sensor cable cores (5) are fixedly connected through connecting blocks.
2. The kilometer pressure-resistant water-tight and hydrogen-tight distributed sensing optical fiber logging cable of claim 1, which is characterized in that: the outer diameter and the inner diameter of the main insulating layer (12) and the inner diameter of the auxiliary insulating layer (11) are the same, and the inner filler (3) and the outer filler (9) are both made of clay.
3. The kilometer pressure-resistant watertight and hydrogen-tight distributed sensing optical fiber logging cable according to claim 1, wherein: the pressure-bearing sheath (10), the steel armor (8) and the outer sheath (7) are all annular, and the steel armor (8) is made of steel wires.
4. The kilometer pressure-resistant water-tight and hydrogen-tight distributed sensing optical fiber logging cable of claim 1, which is characterized in that: the outer sheath (7) and the pressure-bearing sheath (10) are made of rubber.
5. The kilometer pressure-resistant water-tight and hydrogen-tight distributed sensing optical fiber logging cable of claim 1, which is characterized in that: an included angle formed between the axis of the fixed line rod (1) and the centers of every two adjacent main insulating layers (12) is sixty degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011528738.7A CN112837854B (en) | 2020-12-22 | 2020-12-22 | Pressure-resistant water-tight and hydrogen-tight distributed sensing optical fiber logging cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011528738.7A CN112837854B (en) | 2020-12-22 | 2020-12-22 | Pressure-resistant water-tight and hydrogen-tight distributed sensing optical fiber logging cable |
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| Publication Number | Publication Date |
|---|---|
| CN112837854A CN112837854A (en) | 2021-05-25 |
| CN112837854B true CN112837854B (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011528738.7A Active CN112837854B (en) | 2020-12-22 | 2020-12-22 | Pressure-resistant water-tight and hydrogen-tight distributed sensing optical fiber logging cable |
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Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6559437B1 (en) * | 2000-09-20 | 2003-05-06 | Ralph E. Pope, Jr. | Fiber optic damage sensor for wire and cable |
| CN207624450U (en) * | 2017-11-24 | 2018-07-17 | 江苏华能电缆股份有限公司 | Oil exploration robot wear-resisting high temperature-proof photoelectricity charge bearing detecting cable against corrosion |
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- 2020-12-22 CN CN202011528738.7A patent/CN112837854B/en active Active
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