CN108086933B - Cable conveying device for horizontal well - Google Patents
Cable conveying device for horizontal well Download PDFInfo
- Publication number
- CN108086933B CN108086933B CN201611028596.1A CN201611028596A CN108086933B CN 108086933 B CN108086933 B CN 108086933B CN 201611028596 A CN201611028596 A CN 201611028596A CN 108086933 B CN108086933 B CN 108086933B
- Authority
- CN
- China
- Prior art keywords
- cable
- conveying
- horizontal well
- well section
- input channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 13
- 239000013013 elastic material Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/14—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/001—Self-propelling systems or apparatus, e.g. for moving tools within the horizontal portion of a borehole
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Electric Cable Installation (AREA)
- Pusher Or Impeller Conveyors (AREA)
Abstract
The invention provides a cable conveying device for a horizontal well. The horizontal well includes vertical well section and the horizontal well section that communicates with vertical well section, and cable conveyor includes: one end of the conveying pipeline is positioned inside the vertical well section, and the other end of the conveying pipeline extends to the free end of the horizontal well section; and the traction piece is slidably arranged in the conveying pipeline and is connected with the cable so as to draw the cable into the horizontal well section. The technical scheme of the invention can solve the problem that the cable is difficult to be sent to the horizontal well section of the horizontal well in the prior art.
Description
Technical Field
The invention relates to the technical field of oil well testing, in particular to a cable conveying device for a horizontal well.
Background
The oil field of China widely adopts a horizontal well structure, and the oil well with the structure is provided with a vertical section and a horizontal well section communicated with the vertical well section. Wherein, horizontal well section is parallel with ground, can promote exploitation efficiency. In order to test a horizontal well, a plurality of cables for testing are required to be arranged in a horizontal well section of the horizontal well, and related parameters in the well are measured.
In the prior art, as shown in fig. 1 to 3, an oil pipe 10 'is generally used as a carrier for conveying a cable 40', a plurality of cables 40 'are arranged in the oil pipe 10', a track rotating pushing device is used for providing pushing force when the cable 40 'enters a well, the cable 40' is clamped by tracks arranged on two rollers, the two rollers rotate in opposite directions, and the cable 40 'is conveyed into the well by the friction force between the tracks and the cable 40'. Because the cable 40 'is thin, flexible and easy to bend, it is very difficult to send the cable 40' into the horizontal well section of the horizontal well by adopting the pushing force provided by the crawler rotating and pushing device. Therefore, the above-described method has a problem that it is difficult to convey the cable into the horizontal well section of the horizontal well.
Disclosure of Invention
The invention mainly aims to provide a cable conveying device for a horizontal well, which aims to solve the problem that a cable is difficult to convey into a horizontal well section of the horizontal well in the prior art.
In order to achieve the above object, according to one aspect of the present invention, there is provided a cable transportation device for a horizontal well, the horizontal well including a vertical section and a horizontal section communicating with the vertical section, the cable transportation device comprising: one end of the conveying pipeline is positioned inside the vertical well section, and the other end of the conveying pipeline extends to the free end of the horizontal well section; and the traction piece is slidably arranged in the conveying pipeline and is connected with the cable so as to draw the cable into the horizontal well section.
Further, the cable conveying device also comprises an inlet assembly connected with the conveying pipeline, the inlet assembly comprises a body, the body is provided with a medium input channel and a cable input channel communicated with the medium input channel, and the medium input channel and the cable input channel are both communicated with the conveying pipeline.
Further, an included angle is formed between the central axis of the medium input channel and the central axis of the cable input channel.
Further, the cable conveying device further comprises a sealing member arranged at the inlet of the cable input channel, the cable is in sealing fit with the sealing member, and one end of the cable penetrates through the sealing member and is arranged in a sliding mode relative to the sealing member.
Further, the cable conveying device further comprises a driving part, and the driving part is matched with the traction piece to push the traction piece to slide along the conveying pipeline.
Further, at least a portion of the pulling member is made of an elastic material so that an outer wall of the pulling member engages an inner wall of the conveying pipe.
Further, the conveying pipeline comprises a plurality of pipe sections which are connected in sequence.
Furthermore, one or more pressure relief through holes are formed in the wall surface of the conveying pipeline.
Furthermore, one end of the conveying pipeline facing the free end of the horizontal well section is provided with a plugging piece.
Further, the distance between the pressure relief through hole and the plugging piece is larger than the length of the traction piece.
Further, the cable conveying device further includes: the detection unit is connected with the traction piece; and the control unit is connected with the detection unit to control the movement of the traction piece according to the information detected by the detection unit.
By applying the technical scheme of the invention, the conveying pipeline is arranged in the horizontal well, one end of the conveying pipeline is positioned in the vertical well section, the other end of the conveying pipeline extends to the free end of the horizontal well section, the slidable traction part is arranged in the conveying pipeline, and the traction part is connected with the cable, so that the cable can be pulled into the horizontal well section by the traction part along the conveying pipeline, the conveying of the cable is realized through the traction action of the traction part on the cable, the problem of cable bending caused by the fact that the cable is conveyed by adopting pushing force is avoided, and the cable can be smoothly conveyed into the horizontal well section of the horizontal well under the traction of the traction part.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 shows a schematic representation of a prior art track-rotating pusher conveyor cable;
FIG. 2 shows a cross-sectional structural view of the cable and tubing assembly of FIG. 1;
FIG. 3 shows a schematic view of the track-rotating pusher of FIG. 1;
figure 4 shows a schematic structural view of an embodiment of a cable transportation device for horizontal wells according to the present invention;
FIG. 5 shows a schematic view of the pulling member of FIG. 4 in connection with a cable;
FIG. 6 shows a cross-sectional view of the inlet assembly of FIG. 4;
FIG. 7 shows a cross-sectional view of the delivery conduit of FIG. 4;
FIG. 8 shows a schematic view of a pulling member positioned within the first pipe segment of the conveying pipe of FIG. 7;
FIG. 9 shows a schematic view of a pulling member located within a second segment of the conveying conduit of FIG. 7;
FIG. 10 shows a schematic view of a pulling member located within a third segment of the conveying conduit of FIG. 7;
figure 11 shows a schematic view of the delivery conduit of figure 4 after assembly with a closure;
FIG. 12 shows a schematic view of the pulling member in an unpressurized state within the delivery conduit of FIG. 11; and
figure 13 shows a schematic view of the pulling member in a deflated condition in the delivery duct of figure 11.
Wherein the figures include the following reference numerals:
10. a delivery conduit; 11. a pressure relief through hole; 12. a blocking member; 13. a pipe section; 20. a traction member; 30. an inlet assembly; 31. a body; 32. a seal member; 311. a media input channel; 312. a cable input channel; 40. a cable.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The invention provides a cable conveying device for a horizontal well. In the embodiments of the invention, the cable conveying device is used for conveying the test cable of the horizontal well.
In the embodiment of the present invention, in order to solve the problem that it is difficult to send the cable 40 into the horizontal well section of the horizontal well in the prior art, the structure of the cable conveying device is improved, and the following specific description is provided:
as shown in fig. 4, the horizontal well includes a vertical well section and a horizontal well section in communication with the vertical well section.
As shown in fig. 4 to 13, the present invention provides a cable transportation apparatus for a horizontal well. The cable transportation device comprises a transportation duct 10 and a pulling element 20. One end of the conveying pipe 10 is located inside the vertical shaft section and the other end of the conveying pipe 10 extends to the free end of the horizontal shaft section. A pulling member 20 is slidably arranged in the conveying pipe 10, the pulling member 20 being connected with the cable 40 for pulling the cable 40 into the horizontal wellbore section.
Through set up pipeline 10 in the horizontal well, pipeline 10's one end is located vertical well section, pipeline 10's the other end extends to the free end of horizontal well section, and set up slidable traction piece 20 in pipeline 10, and traction piece 20 is connected with cable 40, and like this, traction piece 20 can draw cable 40 to horizontal well section in along pipeline 10, thereby realize the transport of cable 40 through traction piece 20 to the traction force effect of cable 40, the problem of cable 40 buckling that has avoided adopting propelling movement power transmission cable 40 to cause is avoided. Therefore, after the cable conveying device of the embodiment is used, the cable 40 can be smoothly conveyed into the horizontal well section of the horizontal well under the traction of the traction member 20.
Specifically, as shown in fig. 5, in the embodiment of the present invention, there are a plurality of cables 40, and each of the plurality of cables 40 is connected to the pulling member 20. The traction element 20 moves along the conveying pipe 10 towards the free end of the horizontal well section of the horizontal well under the action of an external driving force, so that the plurality of cables 40 are pulled to penetrate through the whole conveying pipe 10 and the plurality of cables 40 are conveyed into the horizontal well section of the horizontal well.
Of course, in an alternative embodiment not shown in the drawings, the cable 40 may have only one.
In an embodiment of the invention, the cable transportation device further comprises a driving portion cooperating with the pulling member 20 to push the pulling member 20 to slide along the transportation conduit 10.
By providing a driving portion cooperating with the pulling member 20, the pulling member 20 can be moved along the conveying pipe 10 to a horizontal well section of the horizontal well by the driving force of the driving portion.
Specifically, in the embodiment of the present invention, the driving portion is a pump body, and a driving medium such as gas or liquid can be input into the conveying pipe 10 through the pump body, and the driving medium such as gas or liquid transmits the power of the pump body to the traction member 20, so that a pressure difference is generated at two ends of the traction member 20, and the traction member 20 is pushed to slide along the conveying pipe 10, that is, the traction member 20 is pushed to run into the horizontal well section.
Of course, in an alternative embodiment of the present invention, the driving portion may also be a mechanical driving device connected to the traction member 20, and the mechanical driving device provides the pushing force to the traction member 20.
In the embodiment of the present invention, as shown in fig. 4 and 6, the cable transportation device further includes an inlet assembly 30 connected to the transportation pipe 10. Specifically, as shown in fig. 6, the inlet assembly 30 includes a body 31, the body 31 having a media input channel 311 and a cable input channel 312 in communication with the media input channel 311, both the media input channel 311 and the cable input channel 312 being in communication with the delivery conduit 10.
By providing the inlet assembly 30 with a medium supply channel 311 and communicating the medium supply channel 311 with the conveying pipe 10, a driving medium can be supplied to the conveying pipe 10 via the medium supply channel 311, wherein the driving medium can form a positive pressure on the end face of the pulling element 20 on the side remote from the free end of the horizontal shaft section, thereby driving the pulling element 20 towards the free end of the horizontal shaft section. At the same time, the cable 40 can be fed into the conveying pipe 10 through the cable feeding channel 312 communicating with the conveying pipe 10 and connected with the pulling member 20, so that the pulling member 20 pulls the cable 40 to the horizontal well section of the horizontal well under the driving of the driving medium.
Specifically, as shown in fig. 6, in the embodiment of the present invention, there are one medium input channel 311 and a plurality of cable input channels 312. The body 31 has a cavity that communicates with both the media input passage 311 and the cable input passage 312. Connecting the inlet assembly 30 to the delivery conduit 10 allows the media input channel 311 and the plurality of cable input channels 312 to both communicate with the delivery conduit 10.
Through setting up a plurality of cable input channels 312 that communicate with pipeline 10, can carry many cables 40 simultaneously, and make every cable 40 pass through solitary cable input channel 312 and carry pipeline 10, prevent that many cables 40 from taking place winding, the phenomenon of friction. The driving medium such as liquid or gas enters the interior of the conveying pipe 10 through the medium input channel 311, so that the traction element 20 can be driven to move along the conveying pipe 10 into the horizontal well section.
As shown in fig. 6, in the embodiment of the present invention, the central axis of the medium input channel 311 and the central axis of the cable input channel 312 form an included angle therebetween.
With the above arrangement, by arranging the medium input passage 311 and the cable input passage 312 in different directions of the body 31, it is possible to avoid interference between the driving portion communicating with the medium input passage 311 and the cable 40.
Specifically, as shown in fig. 6, in the embodiment of the present invention, an included angle between a central axis of the medium input channel 311 and a central axis of the cable input channel 312 is 90 °, the central axis of the medium input channel 311 is parallel to a horizontal well section of a horizontal well, and the central axis of the cable input channel 312 is parallel to a vertical well section of the horizontal well.
Through the arrangement, on the one hand, the processing of the body 31, the medium input channel 311 and the cable input channel 312 can be facilitated, on the other hand, the transmission of the cable 40 can be facilitated, and the bending of the cable 40 is avoided.
Preferably, as shown in fig. 6, in the embodiment of the present invention, the medium input passage 311 is provided on a side wall of the body 31, and a side of the body 31 where the medium input passage 311 is provided has a protruding end to facilitate the connection of the body 31 with the driving part.
As shown in fig. 6, in the embodiment of the present invention, the cable feeding device further includes a sealing member 32 disposed at the entrance of the cable input channel 312, the cable 40 is in sealing engagement with the sealing member 32, and one end of the cable 40 passes through the sealing member 32 and is slidably disposed relative to the sealing member 32.
Through the arrangement, a sliding seal can be formed between the cable 40 and the cable input channel 312, when the driving part is connected with the medium input channel 311, a closed medium conveying channel can be formed between the inlet of the medium input channel 311 and the traction piece 20, the driving medium is prevented from leaking between the cable 40 and the cable input channel 312, the waste of the driving medium is avoided, and the driving efficiency is improved.
Specifically, the sealing element 32 is a sealing cap that is sleeved outside the cable 40 and connected to the inlet of the cable input channel 312, and the sealing cap forms a sliding seal with the cable 40, so as to prevent the leakage of the driving medium.
In an embodiment of the invention, at least a part of the pulling member 20 is made of an elastic material, and the outer wall of the pulling member 20 cooperates with the inner wall of the conveying pipe 10.
Through the arrangement, at least one part of the traction piece 20 is made of elastic material, under the extrusion action of external force, the traction piece 20 can elastically stretch and contract and change the shape of the traction piece 20 to adapt to the change of the conveying pipeline 10, so that the outer wall of the traction piece 20 can be matched with the inner wall of the conveying pipeline 10 when the inner diameter and the angle of the conveying pipeline 10 are changed, and the sliding sealing of the traction piece 20 and the conveying pipeline 10 is realized. Like this, when there is the change in the corner of horizontal well section and vertical well section or the internal diameter of pipeline 10, pull 20 homoenergetic and change along with pipeline 10, guarantee to pull 20 sealed effect of removing the in-process in pipeline 10, prevent that the driving medium from leaking, avoid the waste of driving medium, improve drive efficiency.
Preferably, the traction element 20 is made entirely of an elastic material.
As shown in fig. 7 to 10, in the embodiment of the present invention, the conveying pipe 10 includes a plurality of pipe sections 13 connected in series.
Through the arrangement, the conveying pipeline 10 can be formed by the plurality of pipe sections 13, the problem that in the prior art, only a coiled tubing can be used as the conveying pipeline 10 is solved, and the cost of the conveying pipeline 10 and the difficulty of the conveying pipeline 10 in a horizontal well section of a horizontal well are reduced.
Preferably, in the embodiment of the present invention, the outer wall diameter of the pulling member 20 is larger than the maximum inner diameter of the plurality of pipe segments 13 in a natural state without being compressed.
Through the arrangement, the traction piece 20 can be ensured to be in sealing fit with the conveying pipeline when moving to different pipe sections 13 of the conveying pipeline 10.
Specifically, as shown in fig. 7, the plurality of pipe sections 13 includes a first pipe section, a second pipe section, and a third pipe section connected in sequence, each having a different inner diameter. Wherein the inner diameter of the first pipe section is the largest and is d 1; the second tube section has the smallest inside diameter, d 2. The outer wall diameter of pulling member 20 may vary between a maximum inner diameter d1 and a minimum inner diameter d2 to enable a sealing engagement with each of the plurality of pipe sections 13.
As shown in fig. 8-10, since the outer wall diameter of the pulling member 20 is greater than d1 in the uncompressed natural state, when the pulling member 20 moves within the first pipe segment, the pulling member 20 is in a compressed state and the outer wall of the pulling member 20 can form a sealing fit with the inner wall of the first pipe segment. As the pulling member 20 is advanced from the first pipe section into the second pipe section, the outer wall diameter may be reduced to enter the second pipe section. The outer wall diameter may also be increased to form a sealing engagement with the third pipe section as the pulling member 20 passes from the second pipe section into the third pipe section.
Preferably, as shown in fig. 5 to 13, the side of the pulling element 20 facing the free end of the horizontal shaft section is provided with a guide having a circular arc-shaped surface.
The guide part can guide the traction part 20 to smoothly pass through the position with smaller diameter or bending of the conveying pipeline 10, and the traction part 20 is prevented from being stuck in the conveying pipeline 10.
As shown in fig. 4 to 13, in the embodiment of the present invention, one or more pressure relief through holes 11 are formed in the wall surface of the conveying pipeline 10.
Through the arrangement, the pressure relief through hole 11 can communicate the inside of the conveying pipeline 10 with the outside of the conveying pipeline 10. When the traction piece 20 does not reach the position of the pressure relief through hole 11, the pressure relief through hole 11 can release the air pressure in the conveying pipeline 10; after the traction member 20 passes through the pressure relief through hole 11, the driving medium can be discharged through the pressure relief through hole 11, so that the driving pressure is released, and the traction member 20 automatically stops moving after passing through the pressure relief through hole 11.
Specifically, as shown in fig. 11 to 13, a plurality of pressure relief through holes 11 are provided at intervals in the circumferential direction of the conveying pipe 10.
Since the traction member 20 can automatically stop moving after passing through the pressure relief through hole 11 arranged along the circumferential direction of the conveying pipeline 10, the traction member can be input into the position of the horizontal well section of the horizontal well through the arrangement position control cable 40 of the pressure relief through hole 11.
Of course, in an alternative embodiment not shown in the drawings, a plurality of pressure relief through holes 11 may also be provided at intervals in the radial direction of the conveying pipe 10.
As shown in fig. 11 to 13, in an embodiment of the invention, the end of the conveying pipe 10 facing the free end of the horizontal wellbore section is provided with a closure 12.
By providing the closure 12 at the end of the delivery conduit 10, the pulling member 20 is prevented from sliding out of the delivery conduit 10 under the effect of inertia.
As shown in fig. 12, in the embodiment of the present invention, the distance L between the pressure relief through hole 11 and the blocking member 12 is greater than the length of the pulling member 20.
Through the arrangement, an accommodating cavity of the traction piece 20 can be formed between the pressure relief through hole 11 and the blocking piece 12 to bear the traction piece 20.
Specifically, when the traction piece 20 moves into the accommodating cavity formed between the pressure relief through hole 11 and the blocking piece 12, the pressure of the driving medium is released by the pressure relief through hole 11, the traction piece 20 does not advance any more, and the process of conveying the cable 40 is finished. After the conveying process is completed, the inlet assembly 30 is disassembled, the cable 40 of the wellhead is sealed, and the installation of the cable 40 can be completed.
In an embodiment of the invention, the cable transportation device further comprises a detection unit and a control unit. The detection unit is connected with the traction member 20 and the control unit is connected with the detection unit to control the movement of the traction member 20 according to the information detected by the detection unit.
Through the arrangement, the detection unit can detect information such as the movement speed and the position of the traction piece 20 and the pressure in the conveying pipeline 10, the control unit can receive signals fed back by the detection unit and feed the detected information back to the control unit, and the control unit can control the movement speed and the position of the traction piece 20 according to the information fed back by the detection unit.
Preferably, the control unit is connected to the driving part, and the control unit sends a control signal to the driving part, and controls the movement of the traction member 20 through the driving part.
Preferably, the control unit controls the speed and position of movement of the traction element 20 by controlling the flow or pressure of the driving medium.
The cable conveying device adopted for conveying the cable 40 comprises the following steps: firstly, conveying a conveying pipeline 10 into a horizontal well section of a horizontal well; connecting the cable 40 with the pulling member 20 through the cable input channel 312 of the inlet assembly 30, placing the pulling member 20 in the conveying pipe 10, and connecting the inlet assembly 30 with the conveying pipe 10, thereby forming a closed space between the inlet of the medium input channel 311 and the pulling member 20; then, a driving medium is introduced into the medium input channel 311 by the driving part, a pressure difference is formed at two ends of the traction member 20, and the traction member 20 pulls the cable 40 to a specified position of a horizontal well section of the horizontal well under the pushing of the driving medium.
The cable conveying device solves the problems of high labor intensity, more required equipment, more vehicles and high capital investment in the prior art in a forward pushing force mode, can directly place one or more test cables into the underground oil pipe by means of forward pressure, and can save the cost of operation of a coiled oil pipe, vehicles and the like.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: through set up pipeline in the horizontal well, pipeline's one end is located vertical well section, pipeline's the other end extends to the free end of horizontal well section, and set up slidable in pipeline and pull the piece, and pull a and be connected with the cable, and like this, let in drive medium and can promote to pull the piece and move at pipeline in pipeline, and pull the cable to horizontal well section in, thereby realize the transport of cable through the traction force effect of pulling the piece to the cable, the problem of the cable that has avoided adopting the propelling movement to carry the cable to cause is buckled.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A cable transportation device for a horizontal well, wherein the horizontal well comprises a vertical well section and a horizontal well section communicated with the vertical well section, the cable transportation device comprising:
a conveying pipe (10), one end of the conveying pipe (10) is positioned inside the vertical well section, and the other end of the conveying pipe (10) extends to the free end of the horizontal well section;
a tractor (20) slidably disposed within the conveying conduit (10), the tractor (20) being connected to a cable (40) to draw the cable (40) into the horizontal wellbore section;
one or more pressure relief through holes (11) are formed in the wall surface of the conveying pipeline (10);
a plugging piece (12) is arranged at one end of the conveying pipeline (10) facing to the free end of the horizontal well section;
the distance between the pressure relief through hole (11) and the plugging piece (12) is larger than the length of the traction piece (20).
2. The cable transportation device according to claim 1, further comprising an inlet assembly (30) connected to the transportation duct (10), the inlet assembly (30) comprising a body (31), the body (31) having a medium input channel (311) and a cable input channel (312) communicating with the medium input channel (311), the medium input channel (311) and the cable input channel (312) both communicating with the transportation duct (10).
3. A cable transportation device according to claim 2, characterized in that the centre axis of the medium inlet channel (311) is at an angle to the centre axis of the cable inlet channel (312).
4. The cable transportation apparatus according to claim 2, further comprising a seal member (32) disposed at an entrance of the cable input channel (312), the cable (40) being in sealing engagement with the seal member (32), an end of the cable (40) passing through the seal member (32) and being slidably disposed relative to the seal member (32).
5. Cable conveying device according to any one of claims 1 to 4, characterized in that it further comprises a drive portion cooperating with the traction member (20) to push the traction member (20) to slide along the conveying duct (10).
6. Cable conveying device according to any one of claims 1 to 4, characterized in that at least a portion of the pulling member (20) is made of an elastic material so that the outer wall of the pulling member (20) cooperates with the inner wall of the conveying duct (10).
7. Cable conveying device according to any one of claims 1 to 4, characterized in that the conveying conduit (10) comprises a plurality of successively connected pipe sections (13).
8. The cable transportation apparatus according to any one of claims 1 to 4, further comprising:
a detection unit connected to the traction member (20);
a control unit connected with the detection unit to control the movement of the traction member (20) according to the information detected by the detection unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611028596.1A CN108086933B (en) | 2016-11-21 | 2016-11-21 | Cable conveying device for horizontal well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611028596.1A CN108086933B (en) | 2016-11-21 | 2016-11-21 | Cable conveying device for horizontal well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108086933A CN108086933A (en) | 2018-05-29 |
| CN108086933B true CN108086933B (en) | 2020-05-08 |
Family
ID=62169482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611028596.1A Active CN108086933B (en) | 2016-11-21 | 2016-11-21 | Cable conveying device for horizontal well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108086933B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111323820A (en) * | 2018-12-17 | 2020-06-23 | 中国石油天然气股份有限公司 | Reconstruction method and device for ground microseismic record |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201620785U (en) * | 2010-03-03 | 2010-11-03 | 中国石油天然气股份有限公司 | Pressure-controlled hydraulic pushing tool |
| CN101979830A (en) * | 2009-05-01 | 2011-02-23 | 普拉德研究及开发股份有限公司 | Force monitoring tractor |
| CN202611638U (en) * | 2012-01-16 | 2012-12-19 | 克拉玛依新宇宙油气技术开发有限公司 | Oil pipe crawler for underground traction cable and collector |
| CN103247975A (en) * | 2013-05-28 | 2013-08-14 | 四川宏华石油设备有限公司 | Cable injection and recovery system |
| CN203515406U (en) * | 2013-09-17 | 2014-04-02 | 中国石油集团西部钻探工程有限公司 | Down-hole instrument traction device |
| CN105332667A (en) * | 2015-11-26 | 2016-02-17 | 长江大学 | Coiled tubing tractor |
| CN205477590U (en) * | 2016-01-13 | 2016-08-17 | 陕西济龙科工贸有限公司 | Hydraulic drive horizontal well test draw gear |
| CN105952403A (en) * | 2016-06-27 | 2016-09-21 | 清华大学 | Oil well cable tractor |
| CN106089137A (en) * | 2016-08-16 | 2016-11-09 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of coiled tubing throttling traction apparatus and application thereof |
-
2016
- 2016-11-21 CN CN201611028596.1A patent/CN108086933B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979830A (en) * | 2009-05-01 | 2011-02-23 | 普拉德研究及开发股份有限公司 | Force monitoring tractor |
| CN201620785U (en) * | 2010-03-03 | 2010-11-03 | 中国石油天然气股份有限公司 | Pressure-controlled hydraulic pushing tool |
| CN202611638U (en) * | 2012-01-16 | 2012-12-19 | 克拉玛依新宇宙油气技术开发有限公司 | Oil pipe crawler for underground traction cable and collector |
| CN103247975A (en) * | 2013-05-28 | 2013-08-14 | 四川宏华石油设备有限公司 | Cable injection and recovery system |
| CN203515406U (en) * | 2013-09-17 | 2014-04-02 | 中国石油集团西部钻探工程有限公司 | Down-hole instrument traction device |
| CN105332667A (en) * | 2015-11-26 | 2016-02-17 | 长江大学 | Coiled tubing tractor |
| CN205477590U (en) * | 2016-01-13 | 2016-08-17 | 陕西济龙科工贸有限公司 | Hydraulic drive horizontal well test draw gear |
| CN105952403A (en) * | 2016-06-27 | 2016-09-21 | 清华大学 | Oil well cable tractor |
| CN106089137A (en) * | 2016-08-16 | 2016-11-09 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of coiled tubing throttling traction apparatus and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108086933A (en) | 2018-05-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20150316195A1 (en) | System and method for pipeline maintenance | |
| US9446455B2 (en) | Drilling apparatus | |
| CN108086933B (en) | Cable conveying device for horizontal well | |
| WO1996018797A1 (en) | Method and apparatus for the injection of cable into coiled tubing | |
| CN111373189A (en) | Device convenient for pipeline maintenance | |
| EP2192259B1 (en) | Pipeline pressure device with endless conveyor members for use during a horizontal directional drilling process | |
| AU713808B2 (en) | Apparatus for movement along an underground passage and method using same | |
| CN111648750A (en) | Underground electro-hydraulic group control intelligent well completion system and self-adaptive measuring and adjusting method thereof | |
| CN103247975A (en) | Cable injection and recovery system | |
| CN107825686B (en) | Hose traction device | |
| CN212867514U (en) | Underground electro-hydraulic group control intelligent well completion system | |
| CN105782544A (en) | Pipeline valve capable of controlling downhole divided flow on ground | |
| CN203881989U (en) | Air-blowing optical cable laying machine | |
| US20070269269A1 (en) | Fiber optic installation method | |
| US8776580B2 (en) | System and process for detecting leakage in umbilicals | |
| CN104051060A (en) | Multi-channel parallel transmission pipe integration system | |
| NL2013043B1 (en) | System of flexible pipes and coupling elements and method of producing such a flexible pipe. | |
| CN109869569B (en) | Intelligent control pipeline plugging device | |
| CN103244110A (en) | Coiled tubing drum device with cable | |
| CN116594134B (en) | Optical cable air-blowing laying passing equipment and method under deformation of buried pipeline | |
| CN102581680A (en) | Device for fixing or gripping workpieces i.e. plate-shaped workpieces, has hose installed at channel and comprising end that is connected with block suction device by opened side of channel, where opened side is formed as slot | |
| US20240322534A1 (en) | Transmission line advancement system with a continuous air feed | |
| CN111981221B (en) | Connecting device and automatic detection system with same | |
| CN213902759U (en) | Fire hose air tightness detection device | |
| CN113460701B (en) | Method for conveying objects in pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |