CN217976164U - Well wall surface sludge cleaning device for oil-based drilling fluid well cementation - Google Patents
Well wall surface sludge cleaning device for oil-based drilling fluid well cementation Download PDFInfo
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- CN217976164U CN217976164U CN202222057613.1U CN202222057613U CN217976164U CN 217976164 U CN217976164 U CN 217976164U CN 202222057613 U CN202222057613 U CN 202222057613U CN 217976164 U CN217976164 U CN 217976164U
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Abstract
The utility model discloses an oil base drilling fluid well cementation is with wall of a well surface mud cleaning device belongs to oil well construction technical field, including a water delivery section of thick bamboo, set up at the roll extrusion subassembly of water delivery section of thick bamboo lower extreme and the adaptation subassembly of setting at the water delivery section of thick bamboo upside, water delivery bobbin base portion is enclosed construction, the lower extreme excircle of water delivery section of thick bamboo is opened porosely, roll extrusion subassembly includes the underframe, the centre of a circle department of underframe is the heart ring, the edge of underframe is equipped with the frame limit ring, it has the frame screw hole to open in the annular part of the adjacent underframe of frame limit ring, the underframe below is fixed with the retainer plate, the inside annular inner ring axle that is equipped with of frame limit ring, the outside cover of inner ring axle between the frame limit ring is equipped with rubber drum, the adaptation subassembly is established including the cover and is established at the outside spring, sliding barrel and the fixed cylinder of water delivery section of thick bamboo, the outside cover of water delivery section of thick bamboo of spring lower extreme is established and is fixed with the spring spacing ring, this oil base drilling fluid well wall of a well surface mud cleaning device can realize the mud cleaning of a well surface.
Description
Technical Field
The utility model belongs to the technical field of the oil well construction, concretely relates to oil base drilling fluid well cementation is with wall of a well surface mud cleaning device.
Background
The oil well engineering refers to a system engineering which utilizes oil drilling equipment to drill through a plurality of sets of stratums from the ground along a designed track to reach a preset target layer to form a stable channel for oil and gas extraction or injection of required fluid, completes coring, logging and testing work in the drilling process and after drilling is completed, and obtains various information required by exploration, development and drilling, wherein oil well construction is a substitute of specific implementation steps in the oil well engineering, the oil well construction comprises a wide construction range and relates to multiple fields, and oil-based drilling fluid well cementation is also one type of the oil well construction.
After the formation of oil base drilling fluid well cementation, the wall of a well surface that does not clear up has a lot of mud, just can carry out subsequent construction after needing to clear away the mud on the wall of a well, avoid silt to cause the interference to subsequent construction, current clearance scheme is that directly strike off or use the squirt to clear away mud on the wall of a well, it is comparatively loaded down with trivial details to directly strike off the operation, use the squirt then to have the poor problem of silt clearance effect, because the squirt is difficult to realize the clearance to all surfaces of the wall of a well, and stubborn silt is also difficult to be taken away by water.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a well wall surface mud cleaning device is used in oil base drilling fluid well cementation to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a well wall surface sludge cleaning device for oil-based drilling fluid cementing comprises a water delivery cylinder, a rolling component arranged at the lower end of the water delivery cylinder and an adaptive component arranged at the upper side of the water delivery cylinder, wherein the bottom of the water delivery cylinder is of a closed structure, and a hole is formed in the outer circle of the lower end of the water delivery cylinder;
the rolling assembly comprises a bottom frame, a center ring is arranged at the center of the bottom frame, frame side rings are arranged at the edges of the bottom frame, frame threaded holes are formed in annular parts of the bottom frame adjacent to the frame side rings, a retainer plate is fixed below the bottom frame, annular inner ring shafts are arranged inside the frame side rings, rubber rollers are sleeved outside the inner ring shafts between the frame side rings, water can be sprayed to sludge on the surface of a well wall through holes in the lower end of a water delivery cylinder to soften the sludge, then the device is sunk to enable the rubber rollers to roll over the sludge to clean the sludge on the well wall, the cleaning scheme has the advantages of water spraying cleaning and direct scraping cleaning, the sludge is softened by water and then is cleaned by rolling through the rubber rollers, and the cleaning effect of the sludge is good;
the adaptive assembly comprises a spring, a sliding barrel and a fixed barrel which are sleeved outside the water delivery barrel, wherein a spring limiting ring is fixedly sleeved outside the water delivery barrel at the lower end of the spring, fixed hinged parts distributed in an annular array are arranged outside the fixed barrel, sliding hinged parts distributed in an annular array are arranged outside the sliding barrel, the fixed hinged parts are hinged to a main rod, the middle part of the main rod is hinged to a supporting rod, the other end of the supporting rod is hinged to the sliding hinged parts, rollers are arranged at one end, far away from the fixed barrel, of the main rod, the rolling assembly is a component connected through the frame limiting ring and can be directly replaced into a required specification as required, the main rod can be attached to a well wall through the sliding barrel in a mode of pulling the supporting rod through the sliding barrel, the scheme can adapt to wells with different diameters and is suitable for being widely popularized and used, the sliding barrel can be fixed to the water delivery barrel in a mode of locking through a sliding locking part, the sliding locking part can be released to push the main rod to press the rollers to the rollers through the pressure of the spring, and the sliding barrel can be selected according to the working condition of the well as to be suitable for fixing the sliding barrel and the water delivery barrel.
Preferably, the retainer plate is internally provided with plate screws distributed in an annular array, and the plate screws penetrate through the retainer plate and enter the frame threaded holes.
Preferably, the lower end of the water delivery cylinder is positioned in the core ring, and frame limiting rings are sleeved and fixed outside the water delivery cylinder at the upper end and the lower end of the core ring.
Preferably, the fixed cylinder is provided with a fixed locking part, the sliding cylinder is provided with a sliding locking part, the sliding locking part and the fixed locking part are in a clip shape, and the sliding locking part and the fixed locking part are fixed outside the water delivery cylinder.
Preferably, one end of the spring is propped against the sliding cylinder, and the other end of the spring is propped against the spring limiting ring.
The utility model discloses a technological effect and advantage:
the device for cleaning the sludge on the surface of the well wall for cementing the oil-based drilling fluid can spray water to the sludge on the surface of the well wall through the hole at the lower end of the water delivery cylinder to soften the sludge, and then the device sinks to enable the rubber roller to roll over the sludge to clean the sludge on the well wall, so that the cleaning scheme has the advantages of both water spraying cleaning and direct scraping cleaning;
the rolling component is a component connected through a frame limiting ring, can be directly replaced into a required specification as required, and the main rod can enable the roller to be attached to the well wall in a mode that the main rod pulls the supporting rod through the sliding cylinder, so that the scheme can be suitable for wells with different diameters and is suitable for being generally popularized and used;
the sliding barrel can be fixed with the water delivery barrel in a mode of locking through the sliding locking part, the sliding locking part can also be loosened to push the main rod to press the roller to the well wall through the pressure of the spring, and whether the sliding barrel is fixed with the water delivery barrel or not can be selected according to the working condition of the well wall.
Drawings
Fig. 1 is a schematic view of a combined state structure according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the rolling assembly according to the embodiment of the present invention in a disassembled state;
fig. 3 is a schematic view of a bottom frame structure according to an embodiment of the present invention.
In the figure: 100. a rolling component; 1. a retainer plate; 2. a plate screw; 3. a rubber roller; 4. an inner ring shaft; 5. a bottom frame; 501. a heart ring; 502. a frame threaded hole; 503. a frame edge ring; 6. a frame retainer ring; 200. an adaptation component; 7. a spring retainer ring; 8. a spring; 9. a sliding cylinder; 901. a sliding hinge; 902. a slide lock portion; 10. a fixed cylinder; 1001. a fixed hinge; 1002. a fixed locking portion; 11. a main rod; 12. a support bar; 13. a roller; 14. a water delivery cylinder.
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.
Referring to fig. 1-3, the device for cleaning sludge on the well wall surface for cementing oil-based drilling fluid comprises a water delivery cylinder 14, a rolling assembly 100 arranged at the lower end of the water delivery cylinder 14, and an adapter assembly 200 arranged at the upper side of the water delivery cylinder 14, wherein the bottom of the water delivery cylinder 14 is of a closed structure, a hole is formed in the outer circle of the lower end of the water delivery cylinder 14, a water pipe is arranged at the upper end of the water delivery cylinder 14, and water is in a state of being obliquely sprayed downwards when the hole at the lower end of the water delivery cylinder 14 outputs water.
Referring to fig. 1, 2 and 3, the rolling assembly 100 includes a bottom frame 5 having an integral structure, a core ring 501 is disposed at a center of the bottom frame 5, an inner diameter of the core ring 501 corresponds to an outer diameter of the water delivery pipe 14, a frame side ring 503 is disposed at an edge of the bottom frame 5, the frame side ring 503 is used for accommodating the inner ring shaft 4, a frame threaded hole 502 is formed in an annular portion of the bottom frame 5 adjacent to the frame side ring 503, and the frame limit ring 6 and the spring limit ring 7 have the same structure;
Referring to fig. 1, the adapter assembly 200 includes a spring 8, a sliding cylinder 9 and a fixed cylinder 10, which are sleeved outside a water delivery cylinder 14, the spring 8 is provided with a spring limiting ring 7, the fixed cylinder 10 is provided with fixed hinge parts 1001 distributed in an annular array, the sliding cylinder 9 is provided with a sliding hinge part 901 distributed in an annular array, the sliding hinge part 901 and the fixed hinge part 1001 are connected by a hinge shaft, the ends of the hinge shaft are in interference fit, the fixed hinge part is hinged to a main rod 11, the middle part of the main rod 1001 is hinged to a support rod 12, the other end of the support rod 12 is hinged to the sliding hinge part 901, one end of the main rod 11, which is far away from the fixed cylinder 10, is provided with a roller 13, and the roller 13 presses against the well wall;
the lower end of the water delivery cylinder 14 is located inside the core ring 501, the core ring 501 cannot block a water outlet hole of the water delivery cylinder 14, frame limiting rings 6 are sleeved and fixed outside the water delivery cylinder 14 at the upper end and the lower end of the core ring 501, the fixed cylinder 10 is provided with a fixed locking part 1002, the sliding cylinder 9 is provided with a sliding locking part 902, the sliding locking part 902 and the fixed locking part 1002 are in a clamp shape, the structures of the sliding locking part 902 and the fixed locking part 1002 are similar to the structures of the frame limiting rings 6 and the spring limiting rings 7, the sliding locking part 902 and the fixed locking part 1002 are fixed outside the water delivery cylinder 14, one end of the spring 8 abuts against the sliding cylinder 9, and the other end of the spring 8 abuts against the spring limiting rings 7.
The working principle is as follows:
when the device for cleaning the sludge on the well wall surface for oil-based drilling fluid cementing is used, the adapting assembly 200 has two use schemes, the first scheme is to loosen the sliding locking part 902, so that the spring 8 pushes the sliding cylinder 9 to move up and down, at the moment, the main rod 11 is in the movable state of the compressible spring 8, and the roller 13 is pressed to the well wall through the elastic action of the spring 8;
the other is that the spring limiting ring 7 on the lower side is loosened to relieve the jacking action of the spring 8, then the space between the sliding cylinder 9 and the fixed cylinder 10 is adjusted to adjust the unfolding state of the three main rods 11 until the space between the three rollers 13 is adjusted to be suitable for a well, and the sliding locking part 902 is fixed with the water delivery cylinder 14 after the adjustment is finished;
selecting a use mode of the adaptive assembly 200 according to the state of the well wall;
when the rolling assembly 100 is in contact with the well wall, the rubber roller 3 rolls to sludge on the well wall, the rubber roller 3 drives the sludge downwards in a rotating rolling mode, the retaining ring plate 1 blocks the sludge turned over along with the rubber roller 3, and the lower end of the water delivery cylinder 14 sprays water before rolling to soften the sludge;
after the sludge enters the bottom of the well along with water, the sludge at the bottom of the well is pumped out by a sludge pump.
Above, only be the embodiment of the preferred of the utility model, but the scope of protection of the utility model is not limited to this, and any person skilled in the art should be covered within the scope of protection of the utility model in the technical scope disclosed by the utility model, according to the technical scheme of the utility model and the design of the utility model, equivalent replacement or change.
Claims (5)
1. The utility model provides an oil base drilling fluid well wall surface mud cleaning device that uses, includes a water delivery section of thick bamboo (14), sets up rolling assembly (100) and adaptation subassembly (200) of setting in a water delivery section of thick bamboo (14) upside at a water delivery section of thick bamboo (14) lower extreme, its characterized in that: the bottom of the water delivery cylinder (14) is of a closed structure, and a hole is formed in the outer circle of the lower end of the water delivery cylinder (14);
the rolling assembly (100) comprises a bottom frame (5), a center ring (501) is arranged at the center of the bottom frame (5), frame side rings (503) are arranged at the edges of the bottom frame (5), frame threaded holes (502) are formed in the annular parts, adjacent to the frame side rings (503), of the bottom frame (5), a retainer plate (1) is fixed below the bottom frame (5), an annular inner ring shaft (4) is arranged inside the frame side rings (503), and a rubber roller (3) is sleeved outside the inner ring shaft (4) between the frame side rings (503);
the adaptive assembly (200) comprises a spring (8), a sliding barrel (9) and a fixed barrel (10) which are sleeved outside a water delivery barrel (14), a spring limiting ring (7) is sleeved outside the water delivery barrel (14) at the lower end of the spring (8), a fixed hinging part (1001) distributed in an annular array is arranged outside the fixed barrel (10), a sliding hinging part (901) distributed in an annular array is arranged outside the sliding barrel (9), the fixed hinging part (1001) is hinged to a main rod (11), the middle part of the main rod (11) is hinged to a supporting rod (12), the other end of the supporting rod (12) is hinged to the sliding hinging part (901), and a roller (13) is arranged at one end, far away from the fixed barrel (10), of the main rod (11).
2. The device for cleaning sludge on the surface of the well wall for well cementation of oil-based drilling fluid according to claim 1, wherein: the retainer plate (1) is internally provided with plate screws (2) distributed in an annular array, and the plate screws (2) penetrate through the retainer plate (1) and enter the frame threaded holes (502).
3. The device for cleaning sludge on the surface of the well wall for well cementation of oil-based drilling fluid according to claim 1, wherein: the lower end of the water delivery tube (14) is positioned in the core ring (501), and the outer parts of the water delivery tube (14) at the upper end and the lower end of the core ring (501) are respectively sleeved with and fixed with a frame limiting ring (6).
4. The device for cleaning sludge on the surface of the well wall for well cementation of oil-based drilling fluid according to claim 1, wherein: the fixed cylinder (10) is provided with a fixed locking part (1002), the sliding cylinder (9) is provided with a sliding locking part (902), the outlines of the sliding locking part (902) and the fixed locking part (1002) are all in a clamping hoop shape, and the sliding locking part (902) and the fixed locking part (1002) are all fixed outside the water delivery cylinder (14).
5. The device for cleaning sludge on the surface of the well wall for well cementation of oil-based drilling fluid according to claim 1, wherein: one end of the spring (8) is propped against the sliding cylinder (9), and the other end of the spring (8) is propped against the spring limiting ring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222057613.1U CN217976164U (en) | 2022-08-05 | 2022-08-05 | Well wall surface sludge cleaning device for oil-based drilling fluid well cementation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222057613.1U CN217976164U (en) | 2022-08-05 | 2022-08-05 | Well wall surface sludge cleaning device for oil-based drilling fluid well cementation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217976164U true CN217976164U (en) | 2022-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222057613.1U Active CN217976164U (en) | 2022-08-05 | 2022-08-05 | Well wall surface sludge cleaning device for oil-based drilling fluid well cementation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217976164U (en) |
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2022
- 2022-08-05 CN CN202222057613.1U patent/CN217976164U/en active Active
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