CN204457669U - Drilling well prosthetic device - Google Patents
Drilling well prosthetic device Download PDFInfo
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- CN204457669U CN204457669U CN201520049609.8U CN201520049609U CN204457669U CN 204457669 U CN204457669 U CN 204457669U CN 201520049609 U CN201520049609 U CN 201520049609U CN 204457669 U CN204457669 U CN 204457669U
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Abstract
The utility model provides a kind of drilling well prosthetic device, the camera head comprising carrier pipe and be connected with described carrier pipe, described camera head is connected with ground control unit, described ground control unit is for controlling the unlatching of described camera head, described drilling well prosthetic device also comprises air injection pipe and is arranged on several air bags be communicated with in described air injection pipe and with described air injection pipe, wherein the first air bag is fixed on the bottom of described air injection pipe, second air bag and the 3rd air bag are all flexibly connected with described air injection pipe, described carrier pipe has the output between described second air bag and described 3rd air bag.Not only can the position of accurate fault point by this device, and increased substantially the speed of repairing.
Description
Technical field
The utility model relates to coal underground gasification technology field, refers in particular to a kind of drilling well prosthetic device.
Background technology
Underground coal gasification(UCG) a kind ofly melts the multidisciplinary comprehensive energy production new technology be integrated, and belongs to second generation coal-mining method, and its task is fuel gas by underground coal resource in situ conversion.During underground coal gasification(UCG), usually on the ground boring is set to subterranean coal, in described boring, sleeve pipe is set, then the adherends such as cement are filled between described boring and described sleeve pipe, thus forming the process equipment being used for carrying gas, the said equipment buries in underground, once described equipment breaks down, the problems such as such as screw thread disconnection, point-like leakage, casing failure, any one fault above-mentioned all can affect the normal operation of gasification furnace.Because residing space structures its degree of depth limited of described equipment itself is more than 100 meters, and be full of continuous high-turbidity sewage in space, if equipment goes wrong how accurately to find trouble point and then be convenient to reparation become key point.The visual probe of conventional method general, comes looking up the fault point position by being stretched in boring by visual probe, and then injects repair materials from the opening part of boring.During practice of construction, in boring, general existence precipitates sewage in a large number, cause can not from described visual probe the position of failure judgement point clearly.
In order to overcome the problems referred to above, existing document discloses a kind of servicing unit improving drilling television imager observing effect in muddy water hole, described servicing unit is made up of sediment tube, upper connecting base, diffuser, lower connecting base and sealing bottom, upper connecting base top is connected with sediment tube spiral, between upper connecting base bottom and diffuser, activity patches connection, lower connecting base bottom is connected with bottom spiral, between lower connecting base and bottom, be provided with air bag, the axle center of bottom has hydraulic pressure adjustment hole.Symmetrical water hole on lower connecting base has, servicing unit of the present invention can reduce the spacing between device and hole wall, strengthens light transmittance, solves the past cannot meet observation requirement problem because muddy water causes light source not enough.It can ensure that picture pick-up device is stable, easy for going up and down in boring, it is clear to make former picture pick-up device light source can meet brill deep dynamic consolidation in use; It is rational in infrastructure, installs additional easy, uses quick, is easy to carry, can meet the test needs of different pore size boring.Although above-mentioned document can in muddy water the position of failure judgement point, for different geology in gasification, also may have a large amount of tar water in described boring, light is difficult to penetrate tar water thus or causes adverse influence to imaging effect in the case.
Utility model content
Therefore, the technical problems to be solved in the utility model be to overcome in prior art problem that the trouble point be difficult in accurately location drilling well causes being unfavorable for repairing drilling well thus provide a kind of can accurate fault point and the drilling well prosthetic device of trouble point can be repaired fast.
For solving the problems of the technologies described above, the utility model provides a kind of drilling well prosthetic device, the camera head comprising carrier pipe and be connected with described carrier pipe, described camera head is connected with ground control unit, described ground control unit is for controlling the unlatching of described camera head, described drilling well prosthetic device also comprises air injection pipe and is arranged on several air bags be communicated with in described air injection pipe and with described air injection pipe, wherein the first air bag is fixed on the bottom of described air injection pipe, second air bag and the 3rd air bag are all flexibly connected with described air injection pipe, described carrier pipe has the output between described second air bag and described 3rd air bag.
In an embodiment of the present utility model, the outer wall of described water fetching device is provided with pressure sensor, and described pressure sensor is connected with described camera head.
In an embodiment of the present utility model, described drilling well prosthetic device also comprises the water fetching device be connected with described carrier pipe, sewage in drilling well is discharged by water fetching device by described carrier pipe, and described camera head is connected to described ground control unit by holding wire by described pressure sensor.
In an embodiment of the present utility model, described camera head is positioned at the top of described water fetching device, and described camera head comprises camera probe and is arranged on the protective cover on camera probe.
In an embodiment of the present utility model, the carrier pipe above described water fetching device is provided with tee one-way valve.
In an embodiment of the present utility model, described tee one-way valve in repair process all the time between described second air bag and described 3rd air bag.
In an embodiment of the present utility model, described tee one-way valve is in repair process, and plugging material is flowed into by the confined space formed after described second air bag and described 3rd air bag expansion from described carrier pipe by the horizontal segment of described tee one-way valve.
In an embodiment of the present utility model, described air injection pipe communicates with source of the gas, for being inputed to continuously in described air injection pipe by the gas in described source of the gas.
In an embodiment of the present utility model, described first air bag and described second air bag and described 3rd air bag are expanded by the air inlet of described air injection pipe thus are sealed in described well bore.
In an embodiment of the present utility model, described second air bag and described 3rd air bag arrange pressure-control valve respectively, described pressure-control valve is for controlling the air inflow inputing to described second air bag or described 3rd air bag from described air injection pipe.
Technique scheme of the present utility model compared with prior art has the following advantages:
At device of the present utility model by observing drilling situation again after disturbing water body to take away in boring, be different from water body, to add medicine or set up after servicing unit improves water body light penetration ability and observe drilling situation again, can the position of looking up the fault point clearly; Moreover, this device by air bag telescopic resilience shutoff underground water source, can adapt to closing of water source under sleeve pipe irregular conditions, be different from stopper and plug shutoff, thus the entering of the sewage of imaging effect of thoroughly eliminating the effects of the act, ensureing can the position of looking up the fault point clearly; In addition, form confined space among a small circle, inject repair materials with this understanding, utilize intake pipe to do transfer passage simultaneously by the air bag after expanding, be different from the empty prosthetic device of conventional brill, not only engineering construction scope is little, and the speed of reparation is more convenient.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the schematic diagram of drilling well prosthetic device described in the utility model;
Flow direction schematic diagram when Fig. 2 is tee one-way valve described in the utility model work.
Detailed description of the invention
As shown in Figure 1, the utility model provides a kind of drilling well prosthetic device, the camera head 13 comprising carrier pipe 11 and be connected with described carrier pipe 11, described camera head 13 is connected with ground control unit 14, described ground control unit 14 is for controlling the unlatching of described camera head 13, described drilling well prosthetic device also comprises air injection pipe 15 and is arranged on several air bags 16 be communicated with in described air injection pipe 15 and with described air injection pipe 15, wherein the first air bag 16A is fixed on the bottom of described air injection pipe, second air bag 16B and the 3rd air bag 16C is all flexibly connected with described air injection pipe 15, described carrier pipe 11 has the output between described second air bag 16B and described 3rd air bag 16C.
Above-mentioned is core technology scheme of the present utility model, the water fetching device 12 that described drilling well prosthetic device comprises carrier pipe 11 and is connected with described carrier pipe 11, sewage in drilling well is discharged by water fetching device 12 by described carrier pipe 11, described carrier pipe 11 connects camera head 13, described camera head 13 is connected with ground control unit 14, described ground control unit 14 is for controlling the unlatching of described camera head 13, because the sewage in drilling well is discharged, now be beneficial to the shooting of described camera head 14, be convenient to search the trouble point in drilling well and accurate fault point position, described drilling well prosthetic device also comprises air injection pipe 15 and is arranged on several air bags 16 be communicated with in described air injection pipe 15 and with described air injection pipe 15, wherein the first air bag 16A is fixed on the bottom of described air injection pipe, can by the underground water source shutoff in drilling well after described first air bag 16A expands, thus the space of described first more than air bag 16A and underground water source are isolated, prevent endlessly effluent stream to the top of described well bore, completely eliminate entering of the high-turbidity sewage affecting imaging effect, not only decrease the discharge rate of sewage, and the position be beneficial in inner position trouble point, described space, when not finding trouble point in described space, can continue to transfer described air injection pipe to darker position, still utilize described first air bag 16A shutoff underground water source mode until find the position of trouble point, described first air bag 16A and described air injection pipe 15 form gas injection shutoff function.Described second air bag 16B and described 3rd air bag 16C is all flexibly connected with described air injection pipe 15, therefore described second air bag 16B and described 3rd air bag 16C all can along on the vertical direction of described air injection pipe 15, lower movement, after the position of described trouble point is determined, regulate the position of described second air bag 16B and described 3rd air bag 16C respectively, make the position of described trouble point between described second air bag 16B and described 3rd air bag 16C, after described second air bag 16B and described 3rd air bag 16C expands, the position at place, described trouble point is surrounded a confined space, described carrier pipe 11 has the output between described second air bag 16B and described 3rd air bag 16C, by described output, plugging material is inputted in this confined space, thus realize the object of repairing trouble point, so, not only the scope of engineering construction is little, effectively save plugging material, and the speed of reparation is more efficient and convenient.
In order to judge that in the sewage whether described drilling well prosthetic device has stretched in drilling well, the outer wall of described water fetching device 12 is provided with pressure sensor 17, described pressure sensor 17 is connected with described camera head 13.Particularly, described camera head 13 is connected to described ground control unit 14 by holding wire 18 by described pressure sensor 17, the unlatching of described camera head 13 can be controlled by described ground control unit 14, and the data of described pressure sensor 17 transmission can be received.When existing owing to there being sewage in drilling well, now the pressure compared with normal atmospheric pressure of described pressure sensor 17 is higher, therefore the data recorded by described pressure sensor 17 can calculate the degree of depth of described sewage, being convenient to assess described air injection pipe 15 transfers to the position in described drilling well, and therefore described pressure sensor 17, holding wire 18 and ground control unit 14 have controlling functions.
Described camera head 13 is positioned at the top of described water fetching device 12; described camera head 13 has detecting function; and described camera head 13 comprises camera probe 13A and is arranged on the protective cover 13B on camera probe 13A; described camera probe 13A and described protective cover 13B is fixed on the outer wall of described carrier pipe 11, and described camera probe 13A is connected with described ground control unit 14 by holding wire 18.
As shown in Figure 2, not only in order to realize making described carrier pipe 11 may be used for effluent sewerage but also described plugging material can be transported to trouble point annex area of space, the output of described carrier pipe 11 can adopt tee one-way valve 19, and carrier pipe 11 above described water fetching device 12 is provided with tee one-way valve 19, and described tee one-way valve 19 in repair process all the time between described second air bag 16B and described 3rd air bag 16C.In drainage procedure, in order to prevent the effluent stream of discharging to other position in drilling well, the horizontal segment of described tee one-way valve 19 is now closed, described sewage by below drilling well discharged to top, now described water fetching device 12, described carrier pipe 11 and described tee one-way valve 19 form water plug, in repair process, after described second air bag 16B and described 3rd air bag 16C expands, the position at place, described trouble point is surrounded a confined space, continued to flow to below by top to prevent described plugging material, the vertical section of described tee one-way valve 19 is now closed, described plugging material flows into described confined space from described carrier pipe 11 by the horizontal segment of described tee one-way valve 19, by described carrier pipe 11, plugging material is inputted in this confined space, thus realize the object of repairing trouble point, now described water fetching device 12, described carrier pipe 11 and described tee one-way valve 19 form grouting device.
In order to realize gas to input to continuously in described air injection pipe 15, described air injection pipe 15 communicates with source of the gas, described first air bag 16A is expanded by the air inlet of described air injection pipe 15 thus is sealed in the bottom of described well bore, thus is isolated in the space of described first more than air bag 16A and underground water source; Described second air bag 16B and described 3rd air bag 16C is positioned at the top of described water fetching device 12, described second air bag 16B and described 3rd air bag 16C is expanded by the air inlet of described air injection pipe 15 thus is sealed in described well bore and forms confined space, is beneficial to the input of plugging material.
Because described second air bag 16B and described 3rd air bag 16C is all flexibly connected with described air injection pipe 15, and all can move up and down along the vertical direction of described air injection pipe 15, described second air bag 16B and described 3rd air bag 16C arranges pressure-control valve respectively, and described pressure-control valve is for controlling the air inflow inputing to described second air bag 16B or described 3rd air bag 16C from described air injection pipe 15.When trouble point repaired by needs, can fit with the inwall of drilling well completely after the air inflow of described second air bag 16B and described 3rd air bag 16C will ensure to expand, thus be convenient to formation confined space; When continuing trouble-shooting point, by described pressure-control valve, the gas of described second air bag 16B and described 3rd air bag 16C is discharged, thus the vertical direction be convenient to along described air injection pipe 15 moves up and down.
The assemble method of drilling well prosthetic device described in the utility model is as follows:
Step S1: described water fetching device 12 is connected with described carrier pipe 11, and carrier pipe 11 above described water fetching device 12 arranges tee one-way valve 19; Step S2: the gas injection plugging device be made up of described air injection pipe 15 and some air bags 16 is fixed on the outer wall of described water fetching device 12, and make described second air bag 16B and described 3rd air bag 16C all be socketed on described carrier pipe 11; Step S3: described pressure sensor 17 is connected with described holding wire 18 and is fixed on the outer wall of described water fetching device 12; Step S4: the protective cover 13B of described camera probe 13A and described camera probe 13A is all fixed on the outer wall of described carrier pipe 11; Step S5: described pressure sensor 17 is connected with described camera probe 13A and described ground control unit 14 by holding wire 18.
In described step S2, described first air bag 16A is positioned at below the bottom of described water fetching device, described second air bag 16B and described 3rd air bag 16C is positioned at more than the top of described water fetching device, and the mutual alignment of described second air bag 16B and described 3rd air bag 16C can be exchanged mutually, the confined space formed after expanding when the spacing of described second air bag 16B and described 3rd air bag 16C is between 2 meters to 8 meters is more conducive to the reparation of described trouble point; In described step S3, described pressure sensor 17 is positioned on the inwall of described water fetching device 12, and between described pressure sensor 17 top that is located at described water fetching device 12 and bottom; In described step S4, the protective cover 13B of described camera probe 13A and described camera probe 13A is all positioned at the top of described tee one-way valve 19.
Also described step S2 can be omitted in the utility model, namely described air injection pipe 15 can be fixed on the outer wall of described water fetching device 12, also can interfix, but preferably make described second air bag 16B and described 3rd air bag 16C all be socketed on described carrier pipe 11, thus can ensure that described second air bag 16B and described 3rd air bag 16C can form confined space after expanding, if described second air bag 16B and described 3rd air bag 16C is not all socketed on described carrier pipe 11, the confined space so formed causes the deleterious of axial seal drilling well due to the impact of carrier pipe 11.If described air injection pipe 12 is fixed on the outer wall of described water fetching device 12, the control of manpower can be reduced, otherwise when the position of looking up the fault point, also need to configure special messenger and stretch into the degree of depth in drilling well to regulate described air injection pipe 15, guarantee and described carrier pipe 11 better cooperating.
Described drilling well prosthetic device entirety need be preset in well bore to be seen, according to different depth with described carrier pipe 11 be support transfer to the set depth in boring to be seen, wherein said carrier pipe 11 can increase step by step according to situation, connects any two carrier pipes by adpting flange.In addition according to demand, described air injection pipe 15 and described holding wire 18 can be fixed on the outer wall of described carrier pipe 11 with band.
The method of work of drilling well prosthetic device described in the utility model is as follows:
Step S1: by described air injection pipe 15 to injecting gas in described first air bag 16A, isolates the space of the first more than air bag 16A described in drilling well and underground water source after described first air bag 16A is expanded; Step S2: the sewage in described space is discharged by described carrier pipe 11; Step S3: when described pressure sensor 17 arrives setting value, opens the protective cover 13B of described camera probe 13A by ground control unit 14 and opens described camera probe 13A for observation of making a video recording, by the position of image pickup signal line scale fault point; Step S4: according to the position of described trouble point, regulates the position of described second air bag 16B and described 3rd air bag 16C, and makes the position of described trouble point between described second air bag 16B and described 3rd air bag 16C; Step S5: by described air injection pipe 15 to described second air bag 16B and described 3rd air bag 16C gas injection, makes the described second air bag 16B after expansion and described 3rd air bag 16C in drilling well, surround a confined space; Step S6: by described carrier pipe 11, plugging material is injected described confined space, complete the reparation of trouble point.
In described step S1, in order to ensure in follow-up operation, described first air bag 16A prolonged expansion thus keep the space of the first more than air bag 16A described in drilling well and underground water source to isolate, in described first air bag 16A, lasting injecting gas maintains this pressure to 1.5MPa; In described step S2, for ease of sewage discharge, when the pressure that described pressure sensor 17 records is approximately equal to external atmosphere pressure, as pressure reach 0.2MPa time, just can by described carrier pipe 11 by described space sewage discharge; In described step S3, due in the process of sewer, pressure durations in described space declines, when described pressure sensor 17 arrives setting value, as as described in the force value of pressure sensor be less than 0.03MPa time, open the protective cover 13B of described camera probe 13A by described ground control unit 14 and open described camera probe 13A for observation of making a video recording, by the position of image pickup signal line scale fault point; In described step S5, by described air injection pipe 15 to described second air bag 16B and described 3rd air bag 16C gas injection, and gas injection pressure maintains between 3.8MPa to 4.0MPa, make the described second air bag 16B after expansion and described 3rd air bag 16C in drilling well, surround a confined space; In described step S6, by described carrier pipe 11, plugging material is injected described confined space, control plugging effect by grouting pressure and equilibration time, complete the reparation of trouble point.
After utilizing described drilling well prosthetic device to complete the reparation of trouble point, by described air injection pipe 15, the gas of described second air bag 16B and described 3rd air bag 16C is discharged, complete pressure release, finally carry overall for drilling well prosthetic device to ground in boring.
In the utility model, described plugging material is liquid for plugging, and described liquid for plugging is made up of the water shutoff material such as mud, water glass.Several air bags described are inflatable shape, by the underground water source shutoff in drilling well, thus can be isolated in space more than described first air bag and underground water source after described first air bag is expanded, and now adopt pumping equipment sewage in space can be discharged.
To sum up, technique scheme of the present utility model has the following advantages:
1. at described drilling well prosthetic device of the present utility model, because the sewage in drilling well is discharged, be therefore beneficial to the shooting of described camera head, be convenient to search the trouble point in drilling well and accurate fault point position; Can by the underground water source shutoff in drilling well after described first air bag expands, thus space more than described first air bag and underground water source are isolated, prevent endlessly effluent stream to the top of described well bore, completely eliminate entering of the high-turbidity sewage affecting imaging effect, not only decrease the discharge rate of sewage, and be beneficial to the position checking trouble point in described space.After described second air bag and described 3rd air bag expand, the position at place, described trouble point is surrounded a confined space, by described carrier pipe, plugging material is inputted in this confined space, thus realize the object of repairing trouble point, so, not only the scope of engineering construction is little, effectively saved plugging material, and the speed of reparation is more efficient and convenient.
2. on the outer wall of described water fetching device of the present utility model, be provided with pressure sensor, described pressure sensor is connected with described camera head.When existing owing to there being sewage in drilling well, now the pressure compared with normal atmospheric pressure of described pressure sensor is higher, therefore the data recorded by described pressure sensor can calculate the degree of depth of described sewage, are convenient to assess described air injection pipe and transfer to the position in described drilling well.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain that the utility model creates.
Claims (10)
1. a drilling well prosthetic device, the camera head (13) comprising carrier pipe (11) and be connected with described carrier pipe (11), described camera head (13) is connected with ground control unit (14), described ground control unit (14) is for controlling the unlatching of described camera head (13), it is characterized in that: described drilling well prosthetic device also comprises air injection pipe (15) and is arranged on described air injection pipe (15) to be gone up and several air bags (16) be communicated with described air injection pipe (15), wherein the first air bag (16A) is fixed on the bottom of described air injection pipe (15), second air bag (16B) and the 3rd air bag (16C) are all flexibly connected with described air injection pipe (15), described carrier pipe (11) has the output be positioned between described second air bag (16B) and described 3rd air bag (16C).
2. drilling well prosthetic device according to claim 1, it is characterized in that: described drilling well prosthetic device also comprises the water fetching device (12) be connected with described carrier pipe (11), sewage in drilling well is discharged by water fetching device (12) by described carrier pipe (11), the outer wall of described water fetching device (12) is provided with pressure sensor (17), and described pressure sensor (17) is connected with described camera head (13).
3. drilling well prosthetic device according to claim 2, is characterized in that: described camera head (13) is connected to described ground control unit (14) by holding wire (18) by described pressure sensor (17).
4. drilling well prosthetic device according to claim 3; it is characterized in that: described camera head (13) is positioned at the top of described water fetching device (12), and described camera head (13) comprises camera probe (13A) and is arranged on the protective cover (13B) on camera probe (13A).
5. drilling well prosthetic device according to claim 2, is characterized in that: the carrier pipe (11) of described water fetching device (12) top is provided with tee one-way valve (19).
6. drilling well prosthetic device according to claim 5, is characterized in that: described tee one-way valve (19) is positioned at all the time between described second air bag (16B) and described 3rd air bag (16C) in repair process.
7. drilling well prosthetic device according to claim 6, it is characterized in that: described tee one-way valve (19) is in repair process, and plugging material is flowed into by the confined space formed after described second air bag (16B) and described 3rd air bag (16C) expansion from described carrier pipe (11) by the horizontal segment of described tee one-way valve (19).
8. drilling well prosthetic device according to claim 1, is characterized in that: described air injection pipe (15) communicates with source of the gas, for being inputed to continuously in described air injection pipe (15) by the gas in described source of the gas.
9. drilling well prosthetic device according to claim 8, is characterized in that: described first air bag (16A) and described second air bag (16B) and described 3rd air bag (16C) are expanded by the air inlet of described air injection pipe (15) thus be sealed in described well bore.
10. drilling well prosthetic device according to claim 1, it is characterized in that: described second air bag (16B) and described 3rd air bag (16C) arrange pressure-control valve respectively, described pressure-control valve is used for the air inflow controlling to input to described second air bag (16B) or described 3rd air bag (16C) from described air injection pipe (15).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520049609.8U CN204457669U (en) | 2015-01-23 | 2015-01-23 | Drilling well prosthetic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520049609.8U CN204457669U (en) | 2015-01-23 | 2015-01-23 | Drilling well prosthetic device |
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| CN204457669U true CN204457669U (en) | 2015-07-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109989726A (en) * | 2018-11-22 | 2019-07-09 | 上海中煤物探测量有限公司 | Cellular-type underground, which pinpoints syringe and its applies, is repairing the method in water supply well |
-
2015
- 2015-01-23 CN CN201520049609.8U patent/CN204457669U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109989726A (en) * | 2018-11-22 | 2019-07-09 | 上海中煤物探测量有限公司 | Cellular-type underground, which pinpoints syringe and its applies, is repairing the method in water supply well |
| CN109989726B (en) * | 2018-11-22 | 2024-06-11 | 中煤地质集团有限公司 | Divided downhole fixed-point injector and method for repairing water supply pipe well by using same |
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Effective date of registration: 20170213 Address after: 065001 Hebei economic and Technological Development Zone, Langfang science and Technology Park in the Southern District of B building, room 522 Patentee after: ENN SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: The 065001 Hebei economic and Technological Development Zone of Langfang Huaxiang Xinyuan host new Austrian Science and Technology Park in Southern District Patentee before: ENN Coal Gasification Co., Ltd. |