CN210127847U - Fracture-type easily-leaked stratum leaking stoppage pressure-bearing capacity evaluation device - Google Patents
Fracture-type easily-leaked stratum leaking stoppage pressure-bearing capacity evaluation device Download PDFInfo
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- CN210127847U CN210127847U CN201920934086.3U CN201920934086U CN210127847U CN 210127847 U CN210127847 U CN 210127847U CN 201920934086 U CN201920934086 U CN 201920934086U CN 210127847 U CN210127847 U CN 210127847U
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Abstract
The utility model discloses a leak stoppage bearing capacity evaluation device for a fissile and easily-leaked stratum, which comprises an evaluation device main body, a machine body and a top plate, wherein the periphery of the evaluation device main body is fixedly connected with the machine body, the middle part of the evaluation device main body is fixedly connected with fissile natural rock, the middle part of the fissile natural rock is connected with an open hole shaft in a penetrating way, the bottom of the fissile natural rock is fixedly connected with a bottom plate, two sides of the bottom plate are embedded and connected with movable grooves, the middle part of the movable grooves is embedded and connected with a connecting block, the middle part of the other side of the evaluation device main body is fixedly connected with a control box, two sides of the fissile natural rock are fixedly connected with an extrusion plate, the extrusion plate is driven to move upwards through the upward pushing of a first hydraulic cylinder, so that an extrusion elastic rod, thereby extrude fracture nature natural rock, effectively improved the practicality of evaluation device main part.
Description
Technical Field
The utility model discloses lost circulation evaluation device technical field specifically is a fissuring nature stratum leaking stoppage bearing capacity evaluation device that easily leaks.
Background
The well leakage problem is always a major engineering technical problem which puzzles oil exploration and development and can not be completely solved up to now. Lost circulation problems cause losses to the petroleum industry of up to hundreds of millions of dollars each year, including losses from various types of complicated accidents and delays in production. The leakage of the fractured stratum is the most common leakage type, the complexity is high, the leakage problem is difficult to solve, the leakage problem is more complex and difficult to control, in the drilling operation of the fractured developing stratum, the initial leakage amount is not large, the leakage layer position is uncertain, and the repeated plugging and the repeated leakage of the same well section can often occur. The reasons for the occurrence of the above-mentioned repetitive leakage include the factors of the formation conditions, the closure and opening of the leakage path due to the stress sensitivity of the formation, and the uncertainty of the leakage range. The cause of loss in fractured formations is usually due to the fact that the mud density in the well is higher than the fracture pressure gradient of the formation, resulting in the restart or enlargement of the natural fractures in the formation, and also in the creation of induced fractures in the formation, causing a large loss of mud into the formation. Therefore, once the well leakage problem occurs in the deep fractured stratum, the mud leakage period is long and the difficulty of the leakage stopping operation is high.
At present, the application range of the domestic leaking stoppage pressure-bearing capacity evaluation device is greatly limited, the application range is smaller, the existing installation is also more strenuous, and the cleaning of the leaking stoppage slurry inside is also more troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems of troublesome installation and troublesome cleaning, the device for evaluating the plugging and bearing capacity of the stratum with the fractured property and easy leakage is provided.
In order to achieve the above object, the utility model provides a following technical scheme:
a leaking stoppage and bearing capacity evaluation device for a fractured leaky stratum comprises an evaluation device main body, a machine body and a top plate, wherein the periphery of the evaluation device main body is fixedly connected with the machine body, fractured natural rock is fixedly connected to the middle part of the evaluation device main body, a naked eye shaft is connected to the middle part of the fractured natural rock in a penetrating manner, a bottom plate is fixedly connected to the bottom of the fractured natural rock, movable grooves are embedded and connected to the two sides of the bottom plate, connecting blocks are embedded and connected to the middle part of the movable grooves, a control box is fixedly connected to the middle part of the other side of the evaluation device main body, extrusion plates are fixedly connected to the two sides of the fractured natural rock, connecting rods are fixedly connected to the bottom of the extrusion plates, a brake plate is fixedly connected to the middle part of the connecting rods, through holes are connected to the two sides of the brake plate in, the middle part fixedly connected with pressure plate of stripper plate, the opposite side bottom through connection of stripper plate has the extrusion passageway, one side top fixedly connected with coupling hook of extrusion passageway, the top middle part fixedly connected with connecting seat of bottom plate, the middle part through connection of bottom plate has the outage, the bottom plate both sides through connection has the extrusion passageway, the bottom fixedly connected with coupling hook activity groove of pressure plate, one side swing joint in coupling hook activity groove has the spring, the back middle part embedding of pressure plate is connected with the erection column activity groove.
Further, the top fixedly connected with roof of evaluation device main part, one side bottom fixedly connected with stopper of extrusion passageway, the bottom embedding of braking plate is connected with first hydraulic stem, the bottom embedding of roof is connected with the second pneumatic cylinder, the bottom fixedly connected with mud separator of second pneumatic cylinder, the both sides fixedly connected with cartridge heater of mud separator.
Furthermore, two sides of the top of the brake plate are movably connected with extrusion elastic rods.
Furthermore, an acoustic emitter is fixedly connected to the middle part of the extrusion channel.
Furthermore, the bottom of the bottom plate is fixedly connected with a baffle.
Furthermore, the first hydraulic cylinder, the brake plate, the connecting rod, the extrusion plate and the pressure plate jointly form the extrusion mechanism.
Furthermore, the mounting mechanism of the pressure plate is composed of the mounting column, the connecting hook, the mounting column movable groove, the spring and the connecting hook movable groove.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, constitute extrusion mechanism jointly by first pneumatic cylinder, braking plate, connecting rod, stripper plate and pressure plate, upwards promote through first pneumatic cylinder, will drive the braking plate rebound, like this extrusion spring pole will drive the connecting rod shrink, then the stripper plate will remove to the direction of the natural rock of fissile through the passageway to extrude the natural rock of fissile, effectively improved the practicality of evaluation device main part.
2. The utility model discloses in, by the erection column, the coupling hook, erection column activity groove, the installation mechanism of pressure plate is constituteed jointly to spring and coupling hook activity groove, the erection column inserts erection column activity inslot, just so connect the top of pressure plate, insert coupling hook activity inslot again, just so connect the bottom of pressure plate, these connected mode makes the pressure plate can move about, thereby inside shrink, the fissionability natural rock that just so can be applicable to the cube in extrusion channel length extrudees, the effectual practicality that improves the evaluation device main part.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged cross-sectional view of the utility model at A;
FIG. 3 is a schematic view of the enlarged cross-sectional structure at B of the present invention;
fig. 4 is a schematic view of the overall top-view cross-sectional structure of the present invention;
fig. 5 is a schematic view of the cross-sectional structure of the back of the pressure plate according to the present invention;
fig. 6 is a schematic view of the structure of the evaluation device of the present invention.
In the figure: 1. the device comprises an evaluation device body, 2, a machine body, 3, a first hydraulic cylinder, 4, a brake plate, 5, a through hole, 6, an extrusion elastic rod, 7, a connecting rod, 8, a control box, 9, a bottom plate, 10, a connecting block, 11, a movable groove, 12, a second hydraulic cylinder, 13, fissured natural rock, 14, an open hole shaft, 15, a heating cylinder, 16, a mud separator, 17, a top plate, 18, an extrusion plate, 19, a connecting hook, 20, a mounting column, 21, a pressure plate, 22, an acoustic emitter, 23, a limiting block, 24, an extrusion channel, 25, a connecting seat, 26, a liquid discharge hole, 27, a baffle, 28, a connecting hook movable groove, 29, a spring, 30 and a mounting column movable groove.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-6, the present invention provides a technical solution: a device for evaluating the plugging and bearing capacity of a fractured leaky stratum comprises an evaluation device main body 1, a machine body 2 and a top plate 17, wherein the periphery of the evaluation device main body 1 is fixedly connected with the machine body 2, the middle part of the evaluation device main body 1 is fixedly connected with fractured natural rock 13, the middle part of the fractured natural rock 13 is connected with an open hole shaft 14 in a penetrating way, the bottom of the fractured natural rock 13 is fixedly connected with a bottom plate 9, two sides of the bottom plate 9 are connected with movable grooves 11 in an embedding way, the middle part of the movable grooves 11 is connected with a connecting block 10 in an embedding way, the middle part of the other side of the evaluation device main body 1 is fixedly connected with a control box 8, two sides of the fractured natural rock 13 are fixedly connected with extrusion plates 18, the bottom of the extrusion plates 18 is fixedly connected with a connecting rod 7, the middle part of the connecting rod 7 is fixedly connected with a brake plate 4, two, another side top fixedly connected with erection column 20 of stripper plate 18, the middle part fixedly connected with pressure plate 21 of stripper plate 18, another side bottom through connection of stripper plate 18 has extrusion passageway 24, one side top fixedly connected with coupling hook 19 of extrusion passageway 24, the top middle part fixedly connected with connecting seat 25 of bottom plate 9, the middle part through connection of bottom plate 9 has outage 26, bottom plate 9 both sides through connection has extrusion passageway 24, the bottom fixedly connected with coupling hook activity groove 28 of pressure plate 21, one side swing joint of coupling hook activity groove 28 has spring 29, the back middle part embedding of pressure plate 21 is connected with erection column activity groove 30.
Further, a top plate 17 is fixedly connected to the top of the evaluation device body 1, a limiting block 23 is fixedly connected to the bottom of one side of the extrusion channel 24, a first hydraulic rod 3 is connected to the bottom of the brake plate 4 in an embedded manner, a second hydraulic cylinder 12 is connected to the bottom of the top plate 17 in an embedded manner, a mud separator 16 is fixedly connected to the bottom of the second hydraulic cylinder 12, and heating cylinders 15 are fixedly connected to the two sides of the mud separator 16.
Further, top both sides swing joint of braking plate 4 has extrusion elastic rod 6, extrusion elastic rod 6 can contract and strut connecting rod 7, upwards when packing up at connecting rod 7, extrusion elastic rod 6 will receive the extrusion force of connecting rod 7, thereby shrink, so just can contract connecting rod 7, on the contrary, if connecting rod 7 is down, connecting rod 7 just needs to strut, so extrusion elastic rod 6 will receive connecting rod 7's thrust, so extrusion elastic rod 6 will strut connecting rod 7, can not contract or strut when avoiding connecting rod 7 to rise and descend, and extrusion elastic rod 6 supports on connecting rod 7, also can improve connecting rod 7's stability, the effectual practicality that improves evaluation device main part 1.
Further, the middle part of the extrusion channel 24 is fixedly connected with an acoustic emitter 22, the acoustic emitter 22 can monitor the crack inside the fractured natural rock 13 and the leakage repairing condition in real time, the acoustic emitter 22 monitors the acoustic wave to the fractured natural rock 13 through emission, then the monitoring acoustic wave can monitor the crack inside and the leakage repairing condition, and the practicability of the evaluation device main body 1 is effectively improved.
Further, the bottom fixedly connected with baffle 27 of bottom plate 9, baffle 27 can discharge inside leaking stoppage mud, when evaluation device main part 1 pours into leaking stoppage mud into, baffle 27 can prevent that the leaking stoppage mud that pours into from discharging through outage 26, after accomplishing the evaluation, leaking stoppage mud need discharge, remove baffle 27 from the bottom of outage 26 for leaking stoppage mud passes through outage 26 and discharges, just so can be convenient for clear up, the effectual convenience that improves evaluation device main part 1.
Further, by first pneumatic cylinder 3, the braking plate 4, the connecting rod 7, the extrusion mechanism is constituteed jointly to stripper plate 18 and pressure plate 21, promote upwards through first pneumatic cylinder 3, will drive braking plate 4 rebound, because there is extrusion elastic rod 6 in braking plate 4 both sides, extrusion elastic rod 6 opposite side is being connected on connecting rod 7, so extrusion elastic rod 6 will drive connecting rod 7 shrink like this, then stripper plate 18 will be through the passageway to the direction removal of fissile natural rock 13, thereby extrude fissile natural rock 13, strengthen the extrusion force of fissile natural rock through pressure plate 21, the practicality of evaluation device main part 1 has effectively been improved.
Further, the installation mechanism of the pressure plate 21 is composed of the installation column 20, the connecting hook 19, the installation column movable groove 30, the spring 29 and the connecting hook movable groove 28, the installation column 20 is inserted into the installation column movable groove 30, so that the top of the pressure plate 21 is connected, the connecting hook 19 is inserted into the connecting hook movable groove 28, so that the bottom of the pressure plate 21 is connected, the pressure plate 21 can move due to the connection modes, and the connection modes shrink inwards, so that the device can be suitable for extruding the cubic crack natural rock 13 within the length of the extrusion channel 24, and the practicability of the evaluation device main body 1 is effectively improved.
The working principle is as follows:
firstly, the mounting column 20 is inserted into the mounting column movable groove 30, so that the top of the pressure plate 21 is connected, then the connecting hook 19 is inserted into the connecting hook movable groove 28, so that the bottom of the pressure plate 21 is connected, the pressure plate 21 can move by the connecting modes and is contracted inwards, and therefore the device can be suitable for extruding the cubic fissured natural rock 13 within the length of the extrusion channel 24, and the practicability of the evaluation device main body 1 is effectively improved;
then, the connecting rod 7 can be contracted and unfolded by the elastic extrusion rod 6, when the connecting rod 7 is folded upwards, the elastic extrusion rod 6 can receive the extrusion force of the connecting rod 7, so that the connecting rod 7 can be contracted, otherwise, if the connecting rod 7 is folded downwards, the connecting rod 7 needs to be unfolded, so that the elastic extrusion rod 6 can receive the thrust of the connecting rod 7, so that the elastic extrusion rod 6 can unfold the connecting rod 7, the connecting rod 7 is prevented from being contracted or unfolded when the connecting rod 7 is lifted and lowered, and the elastic extrusion rod 6 is supported on the connecting rod 7, so that the stability of the connecting rod 7 can be improved, and the practicability of the evaluation device main body 1 is effectively improved;
then, the first hydraulic cylinder 3 pushes upwards to drive the brake plate 4 to move upwards, and due to the fact that the two sides of the brake plate 4 are provided with the extrusion elastic rods 6, the other side of the extrusion elastic rods 6 is connected to the connecting rod 7, the extrusion elastic rods 6 drive the connecting rod 7 to contract, then the extrusion plate 18 moves towards the direction of the fractured natural rock 13 through the channel, so that the fractured natural rock 13 is extruded, the extrusion force of the fractured natural rock is enhanced through the pressure plate 21, and the practicability of the evaluation device main body 1 is effectively improved;
next, the baffle 27 can discharge the internal plugging slurry, when the evaluation device main body 1 injects the plugging slurry, the baffle 27 can prevent the injected plugging slurry from being discharged through the liquid discharge hole 26, after the evaluation is completed, the plugging slurry needs to be discharged, the baffle 27 is moved away from the bottom of the liquid discharge hole 26, so that the plugging slurry is discharged through the liquid discharge hole 26, the cleaning is convenient, and the convenience of the evaluation device main body 1 is effectively improved;
finally, the acoustic emitter 22 can monitor the crack and the mending leakage inside the fractured natural rock 13 in real time, the acoustic emitter 22 monitors the acoustic wave to the fractured natural rock 13 through emission, and then the internal crack and the mending leakage can be monitored by monitoring the acoustic wave, so that the practicability of the evaluation device main body 1 is effectively improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a fracture nature is stratum leaking stoppage bearing capacity evaluation device easily leaks, includes evaluation device main part (1), organism (2) and roof (17), its characterized in that: the periphery of the evaluation device body (1) is fixedly connected with an organism (2), the middle part of the evaluation device body (1) is fixedly connected with fractured natural rock (13), the middle part of the fractured natural rock (13) is connected with an open hole shaft (14) in a penetrating way, the bottom of the fractured natural rock (13) is fixedly connected with a bottom plate (9), two sides of the bottom plate (9) are embedded and connected with a movable groove (11), the middle part of the movable groove (11) is embedded and connected with a connecting block (10), the middle part of the other side of the evaluation device body (1) is fixedly connected with a control box (8), two sides of the fractured natural rock (13) are fixedly connected with extrusion plates (18), the bottom of the extrusion plates (18) is fixedly connected with a connecting rod (7), and the middle part of the connecting rod (7) is fixedly connected with a brake plate (4), both sides of the brake plate (4) are connected with through holes (5) in a penetrating way, the top of the other side of the extrusion plate (18) is fixedly connected with a mounting column (20), the middle part of the extrusion plate (18) is fixedly connected with a pressure plate (21), the bottom of the other side of the extrusion plate (18) is connected with an extrusion channel (24) in a penetrating way, the top of one side of the extrusion channel (24) is fixedly connected with a connecting hook (19), the middle part of the top of the bottom plate (9) is fixedly connected with a connecting seat (25), a liquid discharge hole (26) is connected in the middle of the bottom plate (9) in a penetrating way, extrusion channels (24) are connected on two sides of the bottom plate (9) in a penetrating way, the bottom of the pressure plate (21) is fixedly connected with a connecting hook movable groove (28), one side of the connecting hook movable groove (28) is movably connected with a spring (29), the middle part of the back of the pressure plate (21) is embedded and connected with a mounting column movable groove (30).
2. The device for evaluating the plugging and pressure-bearing capacity of the fractured leaky stratum according to claim 1 is characterized in that: the top fixedly connected with roof (17) of evaluation device main part (1), one side bottom fixedly connected with stopper (23) of extrusion passageway (24), the bottom embedding of brake disc (4) is connected with first pneumatic cylinder (3), the bottom embedding of roof (17) is connected with second pneumatic cylinder (12), the bottom fixedly connected with mud separator (16) of second pneumatic cylinder (12), the both sides fixedly connected with heating cylinder (15) of mud separator (16).
3. The device for evaluating the plugging and pressure-bearing capacity of the fractured leaky stratum according to claim 1 is characterized in that: and extrusion elastic rods (6) are movably connected to two sides of the top of the brake plate (4).
4. The device for evaluating the plugging and pressure-bearing capacity of the fractured leaky stratum according to claim 1 is characterized in that: an acoustic emitter (22) is fixedly connected to the middle part of the extrusion channel (24).
5. The device for evaluating the plugging and pressure-bearing capacity of the fractured leaky stratum according to claim 1 is characterized in that: the bottom of the bottom plate (9) is fixedly connected with a baffle plate (27).
6. The device for evaluating the plugging and pressure-bearing capacity of the fractured leaky stratum according to claim 1 is characterized in that: the first hydraulic cylinder (3), the brake plate (4), the connecting rod (7), the extrusion plate (18) and the pressure plate (21) jointly form an extrusion mechanism.
7. The device for evaluating the plugging and pressure-bearing capacity of the fractured leaky stratum according to claim 1 is characterized in that: the mounting mechanism of the pressure plate (21) is composed of a mounting column (20), a connecting hook (19), a mounting column movable groove (30), a spring (29) and a connecting hook movable groove (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920934086.3U CN210127847U (en) | 2019-06-20 | 2019-06-20 | Fracture-type easily-leaked stratum leaking stoppage pressure-bearing capacity evaluation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920934086.3U CN210127847U (en) | 2019-06-20 | 2019-06-20 | Fracture-type easily-leaked stratum leaking stoppage pressure-bearing capacity evaluation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210127847U true CN210127847U (en) | 2020-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920934086.3U Expired - Fee Related CN210127847U (en) | 2019-06-20 | 2019-06-20 | Fracture-type easily-leaked stratum leaking stoppage pressure-bearing capacity evaluation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210127847U (en) |
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2019
- 2019-06-20 CN CN201920934086.3U patent/CN210127847U/en not_active Expired - Fee Related
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Granted publication date: 20200306 Termination date: 20210620 |