CN212428677U - Through tubular column TV in pit washes salvage small-size junk instrument - Google Patents
Through tubular column TV in pit washes salvage small-size junk instrument Download PDFInfo
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- CN212428677U CN212428677U CN202021081161.5U CN202021081161U CN212428677U CN 212428677 U CN212428677 U CN 212428677U CN 202021081161 U CN202021081161 U CN 202021081161U CN 212428677 U CN212428677 U CN 212428677U
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Abstract
The utility model belongs to the technical field of situation processing in the oil gas field well, concretely relates to pass through tubular column TV in pit and wash and salvage small-size junk instrument. The utility model is composed of a derrick, a derrick base, a ground cable car imaging terminal, a cable, a ground pulley, a crown block, a pipe column, an underground television and a washing and fishing tool; the derrick is fixed on the ground of a wellhead through a derrick base; the upper end of the pipe column is connected to the derrick, and the lower end of the pipe column is connected with a washing fishing tool; the ground pulley is fixedly connected to the derrick base through a rope; the top pulley is fixedly connected to the derrick body through a rope; one end of the cable is connected with the ground cable car imaging terminal, the other end of the cable is connected with the underground television through the ground pulley and the crown block in sequence, and the underground television moves up and down in the pipe column through the cable. The utility model provides a can promote the small-size junk fishing tool of salvaging operating efficiency and operation success rate.
Description
Technical Field
The utility model belongs to the technical field of situation processing in the oil gas field well, concretely relates to pass through tubular column TV in pit and wash and salvage small-size junk instrument.
Background
In the production process of an oil-gas well, various abnormal conditions can occur in the well, such as the oil casing pipe column is blocked or broken, a bit cone falls, a logging instrument or a cable is blocked, a cable wire rope is broken, a packer is blocked and the like, the bottom hole falling object is generally divided into a block body, a tubular body and a rope body, including an oil pipe, a bit, a drill rod, a metal ring, a clamp tooth, a piece, a cable and the like, when the bottom hole falling object is fished, the actual condition of the bottom hole falling object in the shaft is firstly detected and clearly detected, then a fishing tool which is suitable for the actual condition is selected and processed, the commonly used measure for judging the bottom hole falling object at present is the lead printing and the underground television imaging technology, the suitable fishing tool is selected according to the lead printing condition or the underground television imaging, but the observation sign is not obvious due to the successful fishing of the small falling object in the field fishing, the experience operation is, the fishing failure often occurs, the fishing needs to be carried out by pulling out the drill bit for many times, which not only takes time and labor, but also causes the damage of the bottom hole junk due to repeated fishing, and causes the fishing failure and even the severe catching result of repairing the abandoned well.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pass through tubular column TV in pit and wash and salvage small-size junk instrument, aim at provides one kind and can promote the fishing tool who salvages operating efficiency and operation success rate.
In order to achieve the above object, the utility model adopts the following technical scheme:
a television flushing and fishing small-sized junk tool in a tubular column underground at least comprises a derrick and a derrick base; the derrick is fixed on the ground of a wellhead through a derrick base; the system also comprises a ground cable car imaging terminal, a cable, a ground pulley, a crown block, a pipe column, an underground television and a washing fishing tool; the upper end of the pipe column is connected to the derrick, and the lower end of the pipe column is connected with a washing fishing tool; the ground pulley is fixedly connected to the derrick base through a rope; the top pulley is fixedly connected to the derrick body through a rope; one end of the cable is connected with the ground cable car imaging terminal, the other end of the cable is connected with the underground television through the ground pulley and the crown block in sequence, and the underground television moves up and down in the pipe column through the cable.
The flushing fishing tool is a fishing tool or a flushing tool; the fishing tool is a fishing female cone or other hollow fishing tools; the flushing tool is a flushing tool inclined tip or other hollow type cleaning tools.
The inner diameter of the flushing fishing tool is larger than 60 mm.
The ground cable car imaging terminal at least comprises a roller, a power supply and a signal receiver; the signal receiver is connected with an underground television electric signal through a cable; the cable is wound on the drum; the power supply is electrically connected with the roller and provides power for the rotation of the roller.
The underground television comprises a horse-head, a weighting rod, an electronic circuit short section, a centralizer short section and a camera short section; the bridle, the weighting rod, the electronic circuit short section, the centralizer short section and the camera short section are sequentially connected from top to bottom; and the camera short section is connected with an imaging terminal of the ground cable car through an electric signal through a cable after passing through the electronic circuit short section and the bridle.
An illuminating lamp, a storage battery, a side-looking camera lens and a downward-looking camera lens are arranged in the camera short section; the downward-looking camera lens and the side-looking camera lens are in electrical signal connection with the electronic circuit pup joint; the illuminating lamp is electrically connected with the storage battery.
The maximum outer diameter of the underground television is 54 mm.
The internal diameter of the pipe string is greater than 62 mm.
Has the advantages that:
(1) the utility model discloses utilize TV in the pit to form images in real time to the shaft bottom junk circumstances in real time, the real-time observation pit shaft bottom junk washing condition has avoided invalid circulation or shaft bottom junk to wash unclean the difficulty of causing salvage.
(2) Utilize the utility model discloses when snatching the shaft bottom junk, accessible TV is real-time imaging in the pit, can observe in real time whether fishing tool snatchs the shaft bottom junk, avoids the shaft bottom junk to drag for invalid tripping operation or the improper destruction shaft bottom junk that causes of technical scheme when successful, is showing and is improving the site operation success rate.
The above description is only an overview of the technical solution of the present invention, and in order to clearly understand the technical means of the present invention and to implement the technical solution according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the TV-flushing tool for small-sized falling objects passing through 2-7/8 inch tubing in a well;
FIG. 3 is a schematic view of the TV-flushing tool for small-sized falling objects passing through a 3-1/2 inch oil pipe in a well;
FIG. 4 is a schematic view of the small-sized falling object flushing tool for watching and flushing the 2-7/8 inch oil tube in the well by the TV set in real time;
FIG. 5 is a schematic view of the TV set fishing tool for small junk in a well passing through 3-1/2 inches of drill pipes.
In the figure: 1-ground cable car imaging terminal; 2-a cable; 3-a ground pulley; 4-day pulley; 5-a derrick; 6-a derrick substructure; 7-a wellbore; 8-a pipe column; 9-a downhole television; 10-flushing the fishing tool; 11-bottom hole junk; 12-fishing tool female cone; 13-flushing tool bevel tip.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-5, the television washing and salvaging small-sized junk tool in a tubular column well at least comprises a derrick 5 and a derrick base 6; the derrick 5 is fixed on the ground of a wellhead through a derrick base 6; the underground cable car is characterized by further comprising a ground cable car imaging terminal 1, a cable 2, a ground pulley 3, a crown block 4, a pipe column 8, an underground television 9 and a washing fishing tool 10; the upper end of the pipe column 8 is connected to the derrick 5, and the lower end of the pipe column 8 is connected with a washing fishing tool 10; the ground pulley 3 is fixedly connected to a derrick base 6 through a rope; the crown block 4 is fixedly connected to the derrick 5 body through a rope; one end of the cable 2 is connected with the ground cable car imaging terminal 1, the other end of the cable 2 is sequentially connected with the underground television 9 through the ground pulley 3 and the top pulley 4, and the underground television 9 moves up and down in the pipe column 8 through the cable 2.
In practical use, the through-pipe underground television flushing and fishing small-sized junk tools are firstly connected.
If the cleaning operation is needed, when the operator cannot judge whether the bottom hole falling object is washed clean according to experience and the clean state of the returned flushing fluid, the lower end of the pipe column 8 is connected with a washing tool, and then the washing pipe column 8 is put into the shaft 7 through a lifting system of the derrick 5; controlling the ground cable car imaging terminal 1 to slowly lower the cable 2, and observing the washing effect of the bottom sediment 11 through the underground television 9 at any time when the underground television 9 is lowered to the bottom of the washing tool at the bottom of the washing pipe column 8; if the imaging effect of the underground television 9 judges that no sundries are washed cleanly on the bottom-hole junk 11, the circulation is stopped, the ground cable car imaging terminal 1 is controlled to lift the cable 2 until the underground television 9 is lifted out of the washing pipe column 8, after the underground television 9 is lifted out, the crown block 4 and the ground block 3 are disassembled, the lifting system of the derrick 5 is operated to lift out the washing pipe column 8 in the shaft 7, and the washing operation is finished; if the imaging effect of the underground television 9 judges that the sundries on the bottom-hole falling objects 11 are not washed clean, the circulation is continued to the bottom-hole falling objects 11 to wash clean the sundries.
If fishing operation is required, when an operator cannot judge whether the bottom hole junk is fished according to the change of the suspended weight of the hoisting system, after the lower end of the pipe column 8 is connected with a fishing tool, the pipe column 8 is lowered into the shaft 7 through the hoisting system of the derrick 5; slowly lowering the cable 2 by controlling the imaging terminal 1 of the ground cable car, and observing the salvaging effect of the bottom falling object 11 by the underground television 9 at any time when the underground television 9 is positioned above the salvaging tool at the bottom of the pipe column 8; if the fishing of the bottom hole junk 11 is judged to be successful through the imaging effect of the underground television 9, the cable 2 is lifted up through controlling the ground cable car imaging terminal 1 until the underground television 9 is lifted out of the pipe column 8, after the underground television 9 is lifted out, the top pulley 4 and the ground pulley 3 are disassembled, the lifting system of the derrick 5 is operated to lift out the pipe column 8 and the bottom hole junk 11 in the shaft 7, and the fishing operation is completed.
The underground television of the utility model is used for imaging the condition of the fallen objects at the bottom of the well in real time, when underground cleaning operation is carried out, the cleaning condition of the fallen objects at the bottom of the shaft can be observed in real time, and the fishing difficulty caused by invalid cleaning circulation or unclean flushing of the fallen objects at the bottom of the well is avoided; when the underground fishing operation is carried out, the underground television can be used for real-time imaging, whether the fishing tool catches the bottom hole junk or not can be observed in real time, the phenomenon that the bottom hole junk is not successfully fished to cause invalid tripping operation or the bottom hole junk is improperly damaged by the technical scheme is avoided, and the success rate of the field operation is obviously improved.
Example two:
referring to fig. 1-5, a television flushing and fishing tool for a tubular column in a well is different from the first embodiment in that: the flushing fishing tool 10 is a fishing tool or a flushing tool; the fishing tool is a fishing female cone 12 or other hollow fishing tools; the flushing tool is a flushing tool inclined tip 13 or other hollow type cleaning tools.
Further, the inner diameter of the flushing fishing tool 10 is greater than 60 mm.
In practical use, after the lower end of the pipe column 8 is connected with the fishing tool female cone 12 or the flushing tool inclined tip 13, television real-time imaging under different operation tasks can be conveniently realized, and different task requirements can be conveniently and efficiently met. The fishing tool or the cleaning tool is hollow, and the passing requirement of the underground television 9 is met.
Example three:
referring to fig. 1-5, a television flushing and fishing tool for a tubular column in a well is different from the first embodiment in that: the ground cable car imaging terminal 1 at least comprises a roller, a power supply and a signal receiver; the signal receiver is in electric signal connection with an underground television 9 through a cable 2; the cable 2 is wound on a drum; the power supply is electrically connected with the roller and provides power for the rotation of the roller.
During the in-service use, set up the cylinder in ground cable car imaging terminal 1, can play out or go into pit shaft 7 with TV 9 in the pit when the surplus cable 2 of ground twines and collects, the convenient transfer and the lifting of TV 9 in the pit of accomplishing. The power for the rotation of the roller comes from a power supply arranged in the imaging terminal 1 of the ground cable car, and a vehicle-mounted generator can also be used for providing power for the rotation of the roller.
The signal receiver can process and decode the received image signal to form an image, and the real-time condition under the well can be conveniently judged.
Example four:
referring to fig. 1-5, a television flushing and fishing tool for a tubular column in a well is different from the first embodiment in that: the underground television 9 comprises a horse-head, a weighting rod, an electronic circuit short section, a centralizer short section and a camera short section; the bridle, the weighting rod, the electronic circuit short section, the centralizer short section and the camera short section are sequentially connected from top to bottom; the camera short section passes through the electronic circuit short section and the bridle and is connected with the ground cable car imaging terminal 1 through a cable 2.
Furthermore, an illuminating lamp, a storage battery, a side-looking camera lens and a downward-looking camera lens are arranged in the camera short section; the downward-looking camera lens and the side-looking camera lens are in electrical signal connection with the electronic circuit pup joint; the illuminating lamp is electrically connected with the storage battery.
When the underground television is actually used, a downward-looking camera lens of the camera short section can shoot and photograph falling objects below under the illumination of the rear lighting, and the downward-looking camera lens can judge whether the downward-looking depth of the underground television 9 is still in the tubular column 8; the centralizer short section can ensure that the underground television 9 is positioned at the central position in the pipe column when being put in, and the abrasion caused by the contact of a camera lens on the camera short section and the inner wall of the pipe column 8 when the underground television 9 is put in is avoided; and the electronic circuit pup joint amplifies the image signal acquired by the camera pup joint to generate a frequency pulse signal, and the frequency pulse signal is transmitted to the ground cable car imaging terminal 1 through the cockhead and the cable.
The camera nipple joint embeds there is light and downward-looking camera lens, can wash the limit and make a video recording observation shaft bottom junk and wash the condition, avoids washing the ineffectiveness after clean, promotes and washes the operating efficiency.
Example five:
referring to fig. 1-5, a television flushing and fishing tool for a tubular column in a well is different from the first embodiment in that: the maximum outer diameter of the underground television 9 is 54 mm.
The underground television 9 adopts the technical scheme, so that the requirement that the underground television 9 can smoothly pass through the flushing fishing tool 10 and the pipe column 8 is met.
Example six:
referring to fig. 1-5, a television flushing and fishing tool for a tubular column in a well is different from the first embodiment in that: the internal diameter of the pipe string 8 is greater than 62 mm.
In practical use, the tubular column 8 adopts the technical scheme, so as to meet the requirement of passing the underground television 9.
Example seven:
a salvaging and cleaning method for a television washing and salvaging small-sized junk tool under a tubular column comprises the following steps
The method comprises the following steps: tool connection
Connecting a television washing and salvaging small-sized junk tool under the tubular column according to the task property; when the operator cannot judge whether the bottom hole falling object is washed clean according to experience and the clean state of the returned flushing fluid, the lower end of the pipe column 8 is connected with a flushing tool inclined tip 13, and then the step II is carried out; if the operator can not judge whether the bottom hole junk is salvaged according to the change of the suspended weight of the lifting system, the third step is carried out after the lower end of the pipe column 8 is connected with a fishing tool female cone 12;
step two: running a flushing string 8 into the wellbore 7 through the hoisting system of the derrick 5; controlling a roller in the ground cable car imaging terminal 1 to slowly lower the cable 2, and observing the washing effect of the shaft bottom falling object 11 through the underground television 9 when the underground television 9 falls to the inclined tip 13 of the washing tool at the bottom of the washing pipe column 8; if the imaging effect of the underground television 9 is used for judging that no sundries are washed cleanly on the falling object 11 at the bottom of the well, the circulation is stopped, the cable 2 is lifted up by a roller in the imaging terminal 1 of the ground cable car until the underground television 9 is lifted out of the washing pipe column 8, after the underground television 9 is lifted out, the crown block 4 and the ground block 3 are disassembled, the lifting system of the derrick 5 is operated to lift out of the washing pipe column 8 in the shaft 7, and the washing operation is finished; if the imaging effect of the underground television 9 judges that the sundries on the bottom-hole falling objects 11 are not washed clean, the circulation is continued to the bottom-hole falling objects 11 to wash clean the sundries.
Step three: lowering the tubular string 8 into the wellbore 7 through the hoisting system of the derrick 5; slowly lowering the cable 2 by controlling a roller in the ground cable car imaging terminal 1, and observing the salvaging effect of the bottom sediment 11 through the underground television 9 at any time when the underground television 9 reaches the position above a salvaging tool female cone 12 at the bottom of the pipe column 8; if the fishing of the bottom hole junk 11 is judged to be successful through the imaging effect of the underground television 9, the cable 2 is lifted up by controlling the drum in the imaging terminal 1 of the ground cable car until the underground television 9 is lifted out of the pipe column 8, after the underground television 9 is lifted out, the crown block 4 and the ground block 3 are disassembled, the lifting system of the derrick 5 is operated to lift out the pipe column 8 and the bottom hole junk 11 in the shaft 7, and the fishing operation is completed.
Example eight:
referring to fig. 2, the present embodiment provides a 2-7/8 inch tubing downhole television flushing small-sized falling object tool, which comprises a surface cable car imaging terminal 1, a cable 2, a ground pulley 3, a crown pulley 4, a derrick 5, a derrick base 6, a shaft 7, a flushing pipe column 8, a downhole television 9, a flushing tool inclined tip 13 and a downhole falling object 11. The ground pulley 3 is fixed on a derrick base 6 through a steel wire rope; the crown block 4 is fixed on the derrick 5 body through a steel wire rope; the flushing pipe column 8 is lifted out or lowered into the shaft 7 through a lifting system of the derrick 5; the washing pipe column 8 is an oil pipe of 2-7/8 inches, and the inner diameter is 62 mm; the operation method for judging the flushing effect by stopping circulation after the flushing operation of the bottom hole junk 11 is finished comprises the following steps: when an operator judges that the bottom hole falling objects are washed clean according to experience and the cleaning state of the returned flushing liquid, the circulation is stopped, the operator operates the derrick 5 to lift the flushing pipe column 8 by about 10m, and slowly lowers the cable 2 by controlling the internal roller of the ground cable car imaging terminal 1 until the operator can see the flushing effect of the bottom hole falling objects 11 by the underground television 9; if it is judged through the TV 9 imaging effect in the pit that there is not debris on the junk 11 in the pit bottom to wash totally, the operation personnel lifts cable 2 through the inside cylinder of control ground cable car imaging terminal 1 until TV 9 in the pit plays out washing pipe column 8, and after TV 9 in the pit plays out, dismantles crown block 4 and ground pulley 3, and the operation personnel operates the hoist system of derrick 5 and plays out washing pipe column 8 in pit shaft 7, and this washing operation is accomplished.
Example nine:
referring to fig. 3, the present embodiment provides a 3-1/2 inch tubing downhole television flushing small-sized falling object tool, which comprises a surface cable car imaging terminal 1, a cable 2, a ground pulley 3, a crown pulley 4, a derrick 5, a derrick base 6, a shaft 7, a flushing pipe column 8, a downhole television 9, a flushing tool inclined tip 13 and a downhole falling object 11. The ground pulley 3 is fixed on a derrick base 6 through a steel wire rope; the crown block 4 is fixed on the derrick 5 body through a steel wire rope; the flushing pipe column 8 is lifted out or lowered into the shaft 7 through a lifting system of the derrick 5; the washing pipe column 8 is an oil pipe of 3-1/2 inches, and the inner diameter is 76 mm; the operation method for judging the flushing effect by stopping circulation after the flushing operation of the bottom hole junk 11 is finished comprises the following steps: when an operator judges that the bottom hole falling objects are washed clean according to experience and the cleaning state of the returned flushing liquid, the circulation is stopped, the operator operates the derrick 5 to lift the flushing pipe column 8 by about 10m, and slowly lowers the cable 2 by controlling the internal roller of the ground cable car imaging terminal 1 until the operator can see the flushing effect of the bottom hole falling objects 11 by the underground television 9; if the imaging effect of the underground television 9 is used for judging that sundries still exist on the bottom falling object 11 and are not washed clean, an operator slowly lifts the cable 2 until the underground television 9 is lifted into the washing pipe column 8 by controlling an internal roller of the imaging terminal 1 of the ground cable car, operates the lifting system of the derrick 5 to lower the washing pipe column 8 in the shaft 7 by about 10m and continues washing operation.
Example ten:
referring to fig. 4, the present embodiment provides a tool for observing and flushing small-sized falling objects through a 2-7/8 inch tubing downhole television at any time, which comprises a ground cable car imaging terminal 1, a cable 2, a ground pulley 3, a crown pulley 4, a derrick 5, a derrick base 6, a shaft 7, a flushing pipe column 8, a downhole television 9, a flushing tool inclined tip 13 and a downhole falling object 11. The ground pulley 3 is fixed on a derrick base 6 through a steel wire rope; the crown block 4 is fixed on the derrick 5 body through a steel wire rope; the flushing pipe column 8 is lifted out or lowered into the shaft 7 through a lifting system of the derrick 5; the washing pipe column 8 is an oil pipe of 2-7/8 inches, and the inner diameter is 62 mm; the operation method for observing the flushing effect at any time during the flushing operation of the bottom hole junk 11 comprises the following steps: when an operator cannot judge whether the bottom hole falling object is washed cleanly according to experience and the clean state of the returned flushing liquid, the operator can continuously and circularly wash the bottom hole falling object 11, slowly lower a cable 2 down a television 9 to a washing tool inclined tip 13 at the bottom of a washing pipe column 8 by controlling an internal roller of an imaging terminal 1 of a ground cable car, and observe the washing effect of the bottom hole falling object 11 through the television 9; if the imaging effect of the underground television 9 is used for judging that no sundries are washed cleanly on the fallen objects 11 at the bottom of the well, the circulation can be stopped, an operator lifts the cable 2 by controlling a roller in the imaging terminal 1 of the ground cable car until the underground television 9 lifts up the washing pipe column 8, the upper pulley 4 and the ground pulley 3 are disassembled after the underground television 9 is lifted up, the operator operates a lifting system of the derrick 5 to lift up the washing pipe column 8 in the shaft 7, and the washing operation is finished; if the imaging effect of the underground television 9 judges that the sundries on the bottom-hole falling objects 11 are not washed clean, the circulation is continued to the bottom-hole falling objects 11 to wash clean the sundries.
Example eleven:
referring to fig. 5, the present embodiment provides a 3-1/2 inch drill pipe-passing downhole television fishing small-sized junk tool, which comprises a surface cable car imaging terminal 1, a cable 2, a ground pulley 3, a crown pulley 4, a derrick 5, a derrick base 6, a shaft 7, a pipe column 8, a downhole television 9, a fishing tool female cone 12 and a downhole junk 11. The ground pulley 3 is fixed on a derrick base 6 through a steel wire rope; the crown block 4 is fixed on the derrick 5 body through a steel wire rope; the pipe column 8 is lifted out or lowered into the shaft 7 through a lifting system of the derrick 5; the pipe column 8 is a 3-1/2 inch drill rod with an inner diameter of 70 mm; the operation method for observing the fishing effect in real time during fishing operation of the bottom hole junk 11 comprises the following steps: when an operator cannot judge whether the bottom hole junk is fished according to the change of the suspended weight of the lifting system, the operator slowly lowers the cable 2 through controlling an internal roller of the ground cable car imaging terminal 1 to a position above a fishing tool female cone 12 at the bottom of the pipe column 8 through the underground television 9, and constantly observes the fishing effect of the bottom hole junk 11 through the underground television 9; if the fishing of the bottom hole junk 11 is judged to be successful through the imaging effect of the underground television 9, an operator lifts the cable 2 through controlling the drum in the imaging terminal 1 of the ground cable car until the underground television 9 lifts out of the pipe column 8, the top pulley 4 and the ground pulley 3 are disassembled after the underground television 9 is lifted out, the operator operates the lifting system of the derrick 5 to lift out the pipe column 8 and the bottom hole junk 11 in the shaft 7, and the fishing operation is completed.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
In the case of no conflict, a person skilled in the art may combine the related technical features in the above examples according to actual situations to achieve corresponding technical effects, and details of various combining situations are not described herein.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
The foregoing is illustrative of the preferred embodiments of the present invention, and the present invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention.
Claims (8)
1. A television flushing and fishing small-sized junk tool in a tubular column well at least comprises a derrick (5) and a derrick base (6); the derrick (5) is fixed on the ground of a wellhead through a derrick base (6); the method is characterized in that: the underground cable car is characterized by further comprising a ground cable car imaging terminal (1), a cable (2), a ground pulley (3), a crown block (4), a pipe column (8), an underground television (9) and a washing fishing tool (10); the upper end of the pipe column (8) is connected to the derrick (5), and the lower end of the pipe column (8) is connected with a washing fishing tool (10); the ground pulley (3) is fixedly connected to a derrick base (6) through a rope; the top pulley (4) is fixedly connected to the derrick (5) body through a rope; one end of the cable (2) is connected with the ground cable car imaging terminal (1), the other end of the cable (2) is connected with the underground television (9) through the ground pulley (3) and the top pulley (4) in sequence, and the underground television (9) moves up and down in the pipe column (8) through the cable (2).
2. A tubular string downhole television flushing and fishing tool as claimed in claim 1, wherein: the flushing fishing tool (10) is a fishing tool or a flushing tool; the fishing tool is a fishing female cone (12) or other hollow fishing tools; the flushing tool is a flushing tool inclined tip (13) or other hollow type cleaning tools.
3. A tubular string downhole tv washout and fishing tool as claimed in claim 1 or 2, wherein: the inner diameter of the flushing fishing tool (10) is larger than 60 mm.
4. A tubular string downhole television flushing and fishing tool as claimed in claim 1, wherein: the ground cable car imaging terminal (1) at least comprises a roller, a power supply and a signal receiver; the signal receiver is in electric signal connection with the underground television (9) through a cable (2); the cable (2) is wound on the drum; the power supply is electrically connected with the roller and provides power for the rotation of the roller.
5. A tubular string downhole television flushing and fishing tool as claimed in claim 1, wherein: the underground television (9) comprises a horse-head, a weighting rod, an electronic circuit short section, a centralizer short section and a camera short section; the bridle, the weighting rod, the electronic circuit short section, the centralizer short section and the camera short section are sequentially connected from top to bottom; the camera short section passes through the electronic circuit short section and the bridle and is connected with the ground cable car imaging terminal (1) through a cable (2) in an electric signal mode.
6. A tubular string downhole TV flushing and fishing tool as claimed in claim 5, wherein: an illuminating lamp, a storage battery, a side-looking camera lens and a downward-looking camera lens are arranged in the camera short section; the downward-looking camera lens and the side-looking camera lens are in electrical signal connection with the electronic circuit pup joint; the illuminating lamp is electrically connected with the storage battery.
7. A tubular string downhole TV flushing and fishing tool as claimed in claim 1 or 5, wherein: the maximum outer diameter of the underground television (9) is 54 mm.
8. A tubular string downhole television flushing and fishing tool as claimed in claim 1, wherein: the inner diameter of the pipe column (8) is larger than 62 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021081161.5U CN212428677U (en) | 2020-06-12 | 2020-06-12 | Through tubular column TV in pit washes salvage small-size junk instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021081161.5U CN212428677U (en) | 2020-06-12 | 2020-06-12 | Through tubular column TV in pit washes salvage small-size junk instrument |
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| Publication Number | Publication Date |
|---|---|
| CN212428677U true CN212428677U (en) | 2021-01-29 |
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|---|---|---|---|
| CN202021081161.5U Active CN212428677U (en) | 2020-06-12 | 2020-06-12 | Through tubular column TV in pit washes salvage small-size junk instrument |
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| CN (1) | CN212428677U (en) |
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2020
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