CN116838290A - Hydraulic drilling-free graded well cementation device - Google Patents

Abstract

The application discloses a hydraulic drilling-free graded well cementation device, which comprises a graded hoop body, wherein a related block is arranged in the graded hoop body, a first-stage rubber plug is arranged at the bottom end of the related block, a cement injection hole is formed in the side surface of the graded hoop body, a first-stage rubber plug supporting ring is sleeved at the top end of the first-stage rubber plug, and a sliding assembly is detachably sleeved at the bottom end of the graded hoop body; the top end of the sliding component is sleeved with driving equipment. The application is provided with the sliding component, the fixed adapting cover and the fixed tube head, and the top ends of the classifying hoop bodies are connected by utilizing the matching of the sliding component, the classifying hoop bodies are driven by the prior art to gradually advance towards the inside of the pouring hole, and the fixed conical cover at the bottom end of the classifying hoop body is firstly contacted with the inner wall surface of the pouring hole, so that the classifying hoop bodies are driven to freely shuttle in the pouring hole under the beneficial effect of the conical outer surface of the fixed conical cover.

Description

Hydraulic drilling-free graded well cementation device

Technical Field

The application relates to the technical field of well cementation equipment, in particular to a hydraulic drilling-free graded well cementation device.

Background

The two-stage (grading) well cementation technology refers to a two-stage or multi-stage well cementation method which is adopted by dividing a longer cement sealing well section into two sections for sealing through a special well cementation tool grading hoop and various matched plugs, and mainly adopts the method for reducing underground leakage cement slurry due to the fact that the cement sealing section is too long, wherein in the grading well cementation, a grading hoop structure is involved, and the method mainly comprises the following steps of (1) mechanical type: the hydraulic well cementing device is used for a vertical well or a well with a well inclination angle smaller than 25 degrees, and is used for secondary well cementing by opening a circulation hole by means of a gravity plug, wherein the opening pressure is lower, (2) the hydraulic well cementing device is hydraulic: the two-stage well cementation device is used for any well type, can be directly and closely pressed without a gravity plug, opens a circulation hole to perform secondary well cementation, has higher opening pressure, is mainly different from the two-stage well cementation device in that the special rubber plug and the gravity plug are used, the slide Kong Xian of the grading hoop is sheared to establish circulation, then the special rubber plug is used for cementing and slurry replacement, and the locking nails are sheared again to enable the sliding sleeve to fall down to seal the circulation hole, so that the working procedure of perforating and cementing paste blastholes is avoided.

It still has some drawbacks in practical use, such as: when the existing hydraulic classification hoop is used, the hydraulic classification hoop needs to extend downwards into the ground along a hole drilled in advance, cement grouting and well cementation operations are carried out under proper pressure and position conditions, when grouting is carried out on two-stage well cementation of an inclined well and a horizontal well, the direction in the inclined well can be gradually changed when the hydraulic classification hoop is lowered and slid, and when the angle is changed to be larger, collision and oblique friction can occur between the classification hoop and a drilling hole, so that the continuous action of the classification hoop is hindered, the classification hoop is blocked in the drilling hole, and the continuous progress of well cementation work is influenced.

Accordingly, the inventor has the problem of providing a hydraulic drilling-free graded well cementing device for achieving the purpose of having more practical value by keeping the experience of the design development and the actual production in the related industry for many years and researching and improving the existing structure and the defects.

Disclosure of Invention

In order to overcome the defects of the prior art, the embodiment of the application provides a hydraulic drilling-free graded well cementation device, by arranging a sliding component, a fixed adapting cover and a fixed pipe head, and utilizing the matching of the sliding component, firstly, an operator carries out normal debugging and checking work on the sliding component and a driving device, then an external connecting wire body connects the top ends of graded hoop bodies, then the graded hoop bodies are integrally arranged in a drilled pouring deep hole, then the graded hoop bodies are gradually advanced towards the inside of the pouring hole under the driving of the prior art, at the moment, a fixed conical cover at the bottom end of the graded hoop body is firstly contacted with the inner wall surface of the pouring hole, under the beneficial effect of the conical outer surface of the fixed conical cover, the graded hoop bodies are driven to freely shuttle in the pouring hole, so that the problems of blockage and blockage of the graded hoop bodies in the inner wall of the pouring deep hole are reduced, the normal operation of the equipment is ensured, through the mutual matching of the driving equipment, the fixed circular cylinder and the fixed adapting cover, when the classifying hoop body moves to a position which turns or is difficult to move because of the rough inner wall of the pouring hole, the internal micro motor is started, then the driving axle center is driven to rotate, the driving axle center drives the driving gear at the bottom end of the driving axle center to rotate, the debugging driving gear drives the fixed teeth meshed with the side surface of the driving gear to rotate and drive the whole fixed ferrule to rotate around the outer side of the fixed circular cylinder, then the poking block at the outer side of the fixed ferrule is in sliding collision contact with the convex strip plate at the inner wall surface of the fixed sleeve, so that the fixed sleeve and the whole fixed adapting cover at the top end of the fixed ferrule vibrate at a small amplitude at a high frequency, thereby continuously vibrating and colliding the classifying hoop body with the contact environment at the outer side, so that the clamped part of the grading hoop body can be changed, shifted and adjusted, thereby the grading hoop body is released from the narrow pouring hole, and can guarantee that the hierarchical hoop body passes through the inside ramp corner of pouring hole smoothly, further promote device's practicality to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the present application provides the following technical solutions: the hydraulic drilling-free graded well cementation device comprises a graded hoop body, wherein a related block is arranged in the graded hoop body, a first-stage rubber plug is arranged at the bottom end of the related block, a cement injection hole is formed in the side face of the graded hoop body, a first-stage rubber plug supporting ring is sleeved at the top end of the first-stage rubber plug, and a sliding assembly is detachably sleeved at the bottom end of the graded hoop body;

the top cover of slip subassembly is equipped with actuating device, actuating device's top cover is equipped with fixed adapter cover, the bottom of classifying hoop body is linked together there is fixed tube head, the bottom of classifying hoop body is linked together and has cup jointed fixed circular cylinder.

In a preferred embodiment, the sliding component comprises a fixed conical cover, the top end of the fixed conical cover is provided with an installation arc plate in a circumferentially equidistant distribution and embedded manner, the lateral surface of the installation arc plate is provided with a sliding notch, the surface of the installation arc plate is detachably sleeved with a fixed sleeve plate in a sliding manner, the outer surface of the fixed conical cover is a smooth surface, and the whole material of the fixed conical cover is an alloy steel material.

In a preferred embodiment, the inner wall side of the fixed sleeve plate is inlaid and connected with a sliding cylinder, the sliding cylinder is mutually matched with the shape of a sliding notch, the outer surface of the sliding notch is coated with a layer of lubricating grease, the shape of the sliding notch is matched with the shape of the fixed circular cylinder, and the side of the sliding notch is in fit contact with the surface of the fixed circular cylinder.

In a preferred embodiment, the outer surface of the fixed sleeve plate is detachably sleeved with a fixed circular sleeve, the whole material of the fixed circular sleeve is made of alloy material, the inner wall surface of the fixed circular sleeve is smooth, the top end of the fixed circular sleeve is in contact with the bottom end of the driving device, and the top end of the fixed circular sleeve and the bottom end surface of the driving device are distributed on the same horizontal plane.

In a preferred embodiment, the driving device comprises a fixing sleeve, wherein the inner wall surface of the fixing sleeve is uniformly equidistant in the peripheral direction and uniformly provided with a mounting arc plate, an inner notch is formed in the fixing sleeve, a bottom end supporting plate is mounted at the bottom end of the fixing sleeve in an embedded mode, and the cross section of the protruding strip plate is semicircular.

In a preferred embodiment, the bottom of the fixing sleeve is provided with mounting blocks equally spaced in the peripheral direction, the top of the bottom fixing support plate is provided with a bayonet, the bayonet is mutually matched with the mounting blocks in shape, the whole shape of the mounting blocks is triangular, and the top of the fixing sleeve is mutually attached to and contacted with the bottom of the fixing adapting cover.

In a preferred embodiment, the top of fixed bottom layer board has placed fixed lasso, fixed lasso's surface mounting has the piece of stirring, fixed lasso's top equidistance is equallyd divide and is provided with fixed tooth, stir the side of piece and the laminating of fixed telescopic internal face and set up.

In a preferred embodiment, the outer side surface of the classifying hoop body is sleeved with a connecting top plate, the bottom end of the connecting top plate is detachably sleeved with a miniature motor, the bottom end of the miniature motor is connected with a driving axle center in an embedded mode, the bottom end of the driving axle center is fixedly sleeved with a driving gear, the bottom end of the driving axle center is detachably sleeved with a limit ferrule, the side surface of the driving gear is connected with a fixed tooth in a meshed mode, the surface of the driving gear is smooth, the driving gear and the whole fixed tooth are made of alloy materials, and the inside of the fixed ferrule is mutually sleeved with the outer surface of the fixed circular cylinder.

In a preferred embodiment, a fixed groove matched with the driving axle center is formed in the center of the inner surface of the driving gear, the inner wall surface of the limit ring is smooth, the bottom end of the driving gear and the top end of the fixed ring are arranged on the same horizontal plane, and the thickness of the driving gear is one millimeter to three millimeters.

The application has the technical effects and advantages that:

according to the application, the sliding component, the fixed adapting cover and the fixed tube head are arranged, and the matching of the sliding component, the fixed adapting cover and the fixed tube head is utilized, firstly, an operator carries out normal debugging and checking work on the sliding component and the driving equipment, then the top end of the grading hoop body is connected by the external connecting wire body, then the whole grading hoop body is arranged in a ready-made pouring deep hole, then the grading hoop body gradually advances towards the inside of the pouring hole under the driving of the prior art, at the moment, the fixed conical cover at the bottom end of the grading hoop body is firstly contacted with the inner wall surface of the pouring hole, and under the beneficial effect of the conical outer surface of the fixed conical cover, the grading hoop body is driven to freely shuttle in the pouring hole, so that the probability of the blockage and blockage of the grading hoop body in the inner wall of the pouring deep hole is reduced, and the normal operation of the equipment is ensured;

according to the application, by means of mutual matching of the driving equipment, the fixed circular cylinder and the fixed adapting cover, when the grading hoop body moves to a position where the grading hoop turns or is difficult to move due to rough inner wall of the pouring hole, the internal micro motor is started, then the driving axle center is driven to rotate, at the moment, the driving axle center drives the driving gear at the bottom end of the grading hoop body to rotate, the driving gear is debugged to drive the fixed teeth meshed with the side surfaces of the driving gear to rotate, so that the whole fixed hoop body rotates around the outer side of the fixed circular cylinder, then the stirring block at the outer side of the fixed hoop body is in sliding collision contact with the convex strip plate at the inner wall surface of the fixed sleeve, so that the fixed sleeve and the whole fixed adapting cover at the top end of the fixed sleeve vibrate at a high frequency with small amplitude, and vibration collision is continuously carried out between the contact environments at the outer side of the grading hoop body, the clamped position of the grading hoop body is transformed, the grading hoop body is released from the narrow pouring hole, the grading hoop body can be ensured to smoothly pass through the turning position inside the pouring hole, and the practicability of the device is further improved;

according to the application, the convex strip plate, the poking block, the fixing sleeve and the fixing ferrule are arranged, and the cross section shape of the convex strip plate is semicircular by utilizing mutual matching of the convex strip plate, so that when the poking block slides after being attached to the inner wall surface of the fixing sleeve, the poking block can relatively slide and collide with the convex strip plate, thereby facilitating the collision of the convex strip plate during sliding, and the problem that the convex strip plate and the fixing sleeve are difficult to jam is solved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present application;

FIG. 2 is a schematic view of a semi-sectional perspective structure of the present application;

FIG. 3 is a schematic view of a three-dimensional assembly structure of the present application;

FIG. 4 is a schematic view of a three-dimensional assembly structure of the present application;

FIG. 5 is a schematic view of a three-dimensional assembly of a slide assembly and a drive apparatus of the present application;

FIG. 6 is a schematic diagram of the overall structure of the driving apparatus of the present application;

fig. 7 is an enlarged schematic view of the structure of fig. 6 a according to the present application.

The reference numerals are: 1. a graded hoop body; 2. closing the closure; 3. a first-level rubber plug; 4. injecting cement holes; 5. a first-level rubber plug supporting ring; 6. a sliding assembly; 7. fixing the adapting cover; 8. a driving device; 9. fixing the tube head; 10. fixing a circular cylinder; 61. fixing the conical cover; 62. installing an arc-shaped plate; 63. a sliding notch; 64. fixing the sleeve plate; 65. a sliding cylinder; 66. fixing a round sleeve; 81. a fixed sleeve; 82. convex strip plates; 83. an internal slot; 84. fixing a bottom end supporting plate; 85. a mounting block; 86. a bayonet; 87. fixing the ferrule; 88. a poking block; 89. a fixed tooth; 891. connecting a top plate; 892. a micro motor; 893. a drive shaft center; 894. a drive gear; 895. a fixing groove; 896. and a limit ferrule.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The hydraulic drilling-free graded well cementation device shown in the drawings 1 to 7 comprises a graded hoop body 1, wherein a related block 2 is arranged in the graded hoop body 1, a first-stage rubber plug 3 is arranged at the bottom end of the closing plug 2, a cement injection hole 4 is arranged on the side surface of the graded hoop body 1, a first-stage rubber plug supporting ring 5 is sleeved at the top end of the first-stage rubber plug 3, and a sliding component 6 is detachably sleeved at the bottom end of the graded hoop body 1;

the top of slip subassembly 6 is equipped with actuating device 8, actuating device 8's top cover is equipped with fixed adapter cover 7, the bottom of classifying hoop body 1 is linked together and is had fixed tube head 9, the bottom of classifying hoop body 1 is linked together and has been cup jointed fixed circular section of thick bamboo 10.

The sliding component 6 comprises a fixed conical cover 61, the top end of the fixed conical cover 61 is provided with a plurality of circumferentially equidistant embedded mounting arc plates 62, the outer surface side surface of each mounting arc plate 62 is provided with a sliding notch 63, the surface of each mounting arc plate 62 is detachably sleeved with a fixed sleeve plate 64 in a sliding manner, the outer surface of the fixed conical cover 61 is smooth, the whole material of the fixed conical cover 61 is made of alloy steel, the inner wall side surface of each fixed sleeve plate 64 is embedded and connected with a sliding cylinder 65, the sliding cylinders 65 are mutually matched with the shapes of the sliding notches 63, the outer surfaces of the sliding notches 63 are respectively coated with a layer of lubricating grease, the shapes of the sliding notches 63 are matched with the surfaces of the fixed circular cylinders 10, the side surfaces of the sliding notches 63 are in abutting contact with the surfaces of the fixed circular cylinders 10, the outer surface of the fixed sleeve plate 64 is detachably sleeved with a fixed circular sleeve 66, the whole material of the fixed circular sleeve 66 is made of alloy material, the inner wall surface of the fixed circular sleeve 66 is smooth, the top end of the fixed circular sleeve 66 is contacted with the bottom end of the driving device 8, the top end of the fixed circular sleeve 66 and the bottom end surface of the driving device 8 are distributed on the same horizontal plane, the bottom end of the fixed sleeve 81 is uniformly provided with mounting blocks 85 in circumferential equidistant mode, the top end of the fixed bottom end supporting plate 84 is provided with bayonets 86, the bayonets 86 are mutually matched with the mounting blocks 85, the whole shape of the mounting blocks 85 is triangular, the top end of the fixed sleeve 81 is mutually attached to and contacted with the bottom end of the fixed adapting cover 7, the top end of the fixed bottom end supporting plate 84 is provided with a fixed ferrule 87, the surface of the fixed ferrule 87 is provided with toggle blocks 88, fixed tooth 89 is equally divided on the top equidistance of fixed lasso 87, stir the side of piece 88 and the interior wall laminating setting of fixed sleeve 81, the fixed slot 895 with the drive axle center 893 looks adaptation has been seted up to the interior face centre of a circle department of drive gear 894, the interior wall department of spacing lasso 896 is all smooth, the bottom of drive gear 894 and the top setting of fixed lasso 87 are on same horizontal plane, the thickness value of drive gear 894 is one millimeter to three millimeters.

Referring to fig. 3-6 of the specification, the driving device 8 includes a fixing sleeve 81, the inner wall surface of the fixing sleeve 81 is uniformly and equidistantly provided with mounting arc plates 62 in the circumferential direction, an inner notch 83 is formed in the fixing sleeve 81, a bottom end supporting plate 84 is mounted on the bottom end of the fixing sleeve 81 in an embedded manner, and the cross section of the convex plate 82 is semicircular.

The implementation mode specifically comprises the following steps: the cross section shape of the convex strip 82 is semicircular, the side surface of the stirring block 88 is attached to the inner wall surface of the fixed sleeve 81, when the whole fixed ferrule 87 rotates around the outer side of the fixed circular cylinder 10, the stirring block 88 on the outer side of the fixed ferrule 87 is in sliding collision contact with the convex strip 82 on the inner wall surface of the fixed sleeve 81, so that the fixed sleeve 81 and the fixed adapting cover 7 on the top end of the fixed sleeve are subjected to high-frequency vibration with small amplitude, and the grading ferrule body 1 is conveniently and quickly released from the deep filling hole.

Referring to fig. 5-7 of the specification, the outer side surface of the classifying hoop body 1 is sleeved with a connecting top plate 891, the bottom end of the connecting top plate 891 is detachably sleeved with a micro motor 892, the bottom end of the micro motor 892 is connected with a driving axle center 893 in an embedded mode, a bottom end fixing sleeve of the driving axle center 893 is provided with a driving gear 894, the bottom end of the driving axle center 893 is detachably sleeved with a limiting ring 896, the side surface of the driving gear 894 is connected with a fixed tooth 89 in a meshed mode, the surface of the driving gear 894 is smooth, the driving gear 894 and the fixed tooth 89 are integrally made of alloy materials, and the inner portion of the fixed ring 87 is mutually sleeved on the outer surface of the fixed circular cylinder 10.

The implementation mode specifically comprises the following steps: the whole driving gear 894 and the fixed teeth 89 are made of alloy materials, so that the driving gear has the advantages of 1 and high strength: for example, titanium alloys generally have a density of about 4.51 g/cc, only 60% of the steel, and pure titanium has a density that approaches that of conventional steel, some high strength titanium alloys exceeding the strength of many alloy structural steels; 2. the heat intensity is high: for example, the temperature is hundreds of degrees higher than that of the aluminum alloy, the required strength can be maintained at the medium temperature, the two types of titanium alloy can still have high specific strength within the range of 150-500 ℃ when working for a long time at the temperature of 450-500 ℃, and the specific strength of the aluminum alloy is obviously reduced at 150 ℃; 3. the corrosion resistance is good, for example, titanium alloy works in humid atmosphere and seawater medium, and the corrosion resistance is far better than stainless steel; the resistance to pitting corrosion, acid corrosion and stress corrosion is particularly strong; 4. the low-temperature performance is good: for example, titanium alloys can maintain their mechanical properties at low and ultra-low temperatures; 5. the chemical activity is large: for example, titanium has a high chemical activity and reacts strongly with O, N, H, CO, CO2, water vapor, ammonia gas, etc. in the atmosphere. When the carbon content is more than 0.2%, hard Tic is formed in the titanium alloy, and the formation of the alloy often improves the properties of elemental elements, such as steel having a strength greater than that of iron, which is the main constituent element. Physical properties of the alloy, such as density, reactivity, young's modulus, electrical and thermal conductivity, may be similar to the constituent elements of the alloy, but the tensile and shear strengths of the alloy are typically quite different from the properties of the constituent elements. This is due to the large difference in atomic arrangement between the alloy and the simple substance, and small amounts of certain elements may have a large influence on the properties of the alloy. For example, impurities in ferromagnetic alloys can change the properties of the alloy, unlike pure metals, where most alloys have no fixed melting point and where the temperature is in the range between melting temperatures, the mixture is in a solid-liquid state.

The working principle of the application is as follows:

the first step: first the operator normally assembles the various components of the device and then normally starts the device.

And a second step of: firstly, an operator carries out normal debugging and checking work on the sliding component 6 and the driving device 8, then the top end of the classifying hoop body 1 is connected by an external connecting wire body, then the classifying hoop body 1 is integrally arranged in a drilled pouring deep hole, then the classifying hoop body 1 gradually advances towards the inside of the pouring hole under the driving of the prior art, at the moment, the fixed conical cover 61 at the bottom end of the classifying hoop body 1 firstly contacts with the inner wall surface of the pouring hole, under the beneficial effect of the conical outer surface of the conical cover, the classifying hoop body 1 is driven to freely shuttle in the pouring hole, when the classifying hoop body 1 advances to a position which turns or is difficult to advance because of the rough inner wall of the pouring hole, the internal micro motor 892 is started, then the driving axle center 893 is driven to rotate, at the moment, the driving axle center 893 drives the driving gear 894 at the bottom end of the classifying hoop body to rotate, the adjusting driving gear 894 drives the fixed teeth 89 meshed with the side surfaces of the fixed sleeve body to rotate, so as to drive the fixed sleeve 87 to integrally rotate around the outer side of the fixed circular cylinder 10, then the fixed sleeve 81 and the fixed adapting cover 7 at the top end of the fixed sleeve 81 are vibrated at a low amplitude and high frequency by utilizing mutual sliding collision contact between the stirring block 88 at the outer side of the fixed sleeve 87 and the convex strip 82 on the inner wall surface of the fixed sleeve 81, so that the graded hoop body 1 continuously collides with the contact environment at the outer side, the clamped part of the graded hoop body 1 is shifted and adjusted, the graded hoop body 1 is released from a narrow pouring hole, the graded hoop body 1 can smoothly pass through the ramp corner in the pouring hole, the advancing work protection process of the graded hoop body 1 is completed, the normal advancing work of the graded hoop body 1 is ensured, and (3) obtaining the product.

And a third step of: the operator first closes the device normally, then checks whether the fixity between the various components of the device is normal, and then replaces and repairs the parts inside the device that are more subject to aging and wear.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the application is not intended to limit the application to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the application are intended to be included within the scope of the application.

Claims (9)

1. The utility model provides a hydraulic pressure exempts from to bore hierarchical well cementation device, includes hierarchical hoop body (1), the inside of hierarchical hoop body (1) is provided with closes stopper (2), the bottom of closing stopper (2) is provided with one-level plug (3), the side of hierarchical hoop body (1) is provided with cementing hole (4), the top cover of one-level plug (3) one-level plug supporting ring (5), its characterized in that: the bottom end of the grading hoop body (1) is detachably sleeved with a sliding component (6);

the top cover of slip subassembly (6) is equipped with driving equipment (8), the top cover of driving equipment (8) is equipped with fixed adaptation cover (7), the bottom of classifying hoop body (1) is linked together and is had fixed tube head (9), the bottom of classifying hoop body (1) is linked together and is cup jointed fixed circular section of thick bamboo (10).

2. The hydraulic drill-free staged cementing device of claim 1 wherein: the sliding assembly (6) comprises a fixed conical cover (61), wherein the top end of the fixed conical cover (61) is provided with an installation arc plate (62) in a circumferentially equidistant distribution embedded manner, a sliding notch (63) is formed in the lateral surface of the installation arc plate (62), a fixed sleeve plate (64) is detachably and slidably sleeved on the surface of the installation arc plate (62), the outer surface of the fixed conical cover (61) is a smooth surface, and the whole material of the fixed conical cover (61) is an alloy steel material.

3. The hydraulic drill-free staged cementing device of claim 2 wherein: the inner wall side of fixed sleeve plate (64) is inlayed and is connected with slip cylinder (65), the shape of slip cylinder (65) and slip notch (63) is mutually adapted, the surface of slip notch (63) all with scribble one deck lubricating grease, the shape of slip notch (63) and fixed circular cylinder (10) looks adaptation, the side of slip notch (63) is in contact with the surface laminating of fixed circular cylinder (10).

4. A hydraulic drill-free staged cementing device according to claim 3, wherein: the outer surface detachable sleeve of fixed sleeve board (64) is equipped with fixed circular sleeve (66), the whole material of fixed circular sleeve (66) is the alloy material, the internal face department of fixed circular sleeve (66) is all smooth, the top of fixed circular sleeve (66) and the bottom contact of actuating device (8), the top of fixed circular sleeve (66) and the bottom face of actuating device (8) are the same horizontal plane on distribution.

5. The hydraulic drill-free staged cementing device of claim 1 wherein: the driving device (8) comprises a fixing sleeve (81), wherein the inner wall surface of the fixing sleeve (81) is uniformly equidistant in the peripheral direction and uniformly provided with an installation arc plate (62), an inner notch (83) is formed in the fixing sleeve (81), a fixing bottom end supporting plate (84) is inlaid and installed at the bottom end of the fixing sleeve (81), and the cross section of the protruding strip plate (82) is semicircular.

6. The hydraulic drill-free staged cementing device of claim 2 wherein: the bottom of fixed sleeve (81) is circumference equidistance and equally divides and be provided with installation piece (85), bayonet socket (86) have been seted up on the top of fixed bottom layer board (84), bayonet socket (86) and the shape looks adaptation of installation piece (85), the overall shape of installation piece (85) is the triangle-shaped, the top of fixed sleeve (81) is laminated each other with the bottom of fixed adaptation cover (7) and is contacted.

7. The hydraulic drill-free staged cementing device of claim 6 wherein: fixed lasso (87) have been placed on the top of fixed bottom layer board (84), fixed surface mounting of lasso (87) has toggle piece (88), fixed tooth (89) are equally divided to the top equidistance of fixed lasso (87), the side of toggle piece (88) is laminated with the inner wall surface of fixed sleeve (81) and is set up.

8. The hydraulic drill-free staged cementing device of claim 7 wherein: the utility model discloses a classifying hoop body, including classifying hoop body (1), connecting roof (891) is equipped with to the lateral surface cover of classifying hoop body (1), the cover is equipped with micro motor (892) can be dismantled to the bottom of connecting roof (891), the bottom of micro motor (892) is inlayed and is connected with drive axle center (893), the bottom fixed cover of drive axle center (893) is equipped with drive gear (894), the cover is equipped with spacing lasso (896) can be dismantled to the bottom of drive axle center (893), intermeshing connects between the side of drive gear (894) and fixed tooth (89), the surface of drive gear (894) is all smooth, drive gear (894) and fixed tooth (89) are whole alloy material preparation, suit each other on the inside of fixed lasso (87) and the fixed circular section of thick bamboo (10) surface.

9. The hydraulic drill-free staged cementing device of claim 8 wherein: the fixed slot (895) matched with the driving axle center (893) is formed in the center of the inner surface of the driving gear (894), the inner wall surface of the limiting ferrule (896) is smooth, the bottom end of the driving gear (894) and the top end of the fixed ferrule (87) are arranged on the same horizontal plane, and the thickness value of the driving gear (894) is one millimeter to three millimeters.