CN214247276U - Novel oil drilling expands structure of changing flow of eyes - Google Patents
Novel oil drilling expands structure of changing flow of eyes Download PDFInfo
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- CN214247276U CN214247276U CN202022948513.9U CN202022948513U CN214247276U CN 214247276 U CN214247276 U CN 214247276U CN 202022948513 U CN202022948513 U CN 202022948513U CN 214247276 U CN214247276 U CN 214247276U
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Abstract
The application discloses novel oil drilling expands class structure of changing current for eyes, including coaxial coupling in the cylindricality body at drilling rod top, cylindricality body axle center is formed with first logical chamber, coaxial coupling has center tube and piston cylinder from top to bottom in proper order in the first logical chamber, the axle center of center tube, piston cylinder is formed with the second through-cavity and the third through-cavity of intercommunication of each other respectively, the laminating rotation of third through-cavity is provided with the cylindricality piston, cylindricality piston axle center is formed with the intercommunication the fourth through-cavity in third through-cavity, the piston cylinder outer wall with be formed with the backward flow chamber between the cylindricality body inner wall, third through-cavity inner wall has evenly laid a plurality of intercommunications along the hoop the first backward flow hole in backward flow chamber, first through-cavity inner wall laid with the second backward flow hole of first backward flow hole one-to-one. The utility model has the advantages of the realization wing of blade that can not stop stretch out and retrieve, can realize reaming or not reaming in the different positions of underground.
Description
Technical Field
The application relates to petroleum drilling, in particular to a novel flow-changing structure for enlarging an eye of the petroleum drilling.
Background
The task of drilling a borehole from the surface using mechanical equipment or manual labor is known as drilling. Generally refers to the engineering of drilling boreholes and large diameter water-supply wells for the exploration or exploitation of liquid and gaseous minerals such as oil, gas, and the like. The application of well drilling in national economic construction is extremely wide.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel oil drilling expands class structure of changing one's eyes.
In order to achieve the above object, the present invention provides the following technical solutions.
The embodiment of the application discloses a novel flow-changing structure for oil drilling and reaming eyes, which comprises a cylindrical body coaxially connected to the top of a drill rod, wherein a first through cavity is formed in the axis of the cylindrical body, a central pipe and a piston cylinder are sequentially and coaxially connected in the first through cavity from top to bottom, a second through cavity and a third through cavity which are mutually communicated are respectively formed in the axes of the central pipe and the piston cylinder, a cylindrical piston is arranged in the third through cavity in a laminating and rotating manner, a fourth through cavity communicated with the third through cavity is formed in the axis of the cylindrical piston, a backflow cavity is formed between the outer wall of the piston cylinder and the inner wall of the cylindrical body, a plurality of first backflow holes communicated with the backflow cavity are uniformly distributed in the inner wall of the third through cavity along the circumferential direction, second backflow holes corresponding to the first backflow holes one to one are distributed in the inner wall of the fourth through cavity, when the cylindrical piston rotates, the first backflow hole is communicated or not communicated with the second backflow hole.
Preferably, in the above-mentioned novel oil drilling expands and uses structure of shifting a class of eyes, the outer wall of cylindricality piston arranges the V word groove of end to end intercommunication along the hoop, the third through intracavity wall is formed with the laminating and rolls in the ball of V word groove, two adjacent second return orifice form central angle become two the central angle that V word groove formed.
Preferably, in the above-mentioned novel oil drilling expands and uses structure of shifting a class of eyes, the fourth cross intracavity wall extends near the bottom and is connected with a claw spring, the inside ball that falls of claw spring is accepted, the ball that falls drives claw spring and moves down and drive the cylindrical piston according to a hypotenuse motion of V word groove simultaneously.
Preferably, in the above-mentioned novel oil drilling reaming diversion structure for eyes, a compression spring is sleeved outside the pawl spring in the fourth through cavity, and the compression spring pushes the cylindrical piston to reset according to the other bevel edge of the V-shaped groove.
Preferably, in the above-mentioned novel oil drilling reaming diversion structure, a steering bearing is arranged between the cylindrical piston and the compression spring, and a first retainer ring is arranged between the steering bearing and the compression spring.
Preferably, in the above-mentioned novel oil drilling expands and uses structure of shifting a class of eyes, the claw spring laminating sets up in first sleeve intraduct, first sleeve inside diameter from top to bottom keeps the tie earlier then increases gradually.
Preferably, in the above-mentioned novel oil drilling expands and uses structure of shifting a class, first sleeve pipe outer wall is fixed in dabber seat inner wall, compression spring bottom support in dabber seat top, dabber seat outer wall fixed mounting is in second sleeve pipe inner wall.
Preferably, in the above-mentioned novel flow-changing structure for oil drilling reamer, the outer wall of the piston cylinder is sealed on the inner wall of the second sleeve below the first return hole, and the outer wall of the second sleeve is sealed and fixed on the inner wall of the first through cavity.
Preferably, in the above-mentioned novel oil drilling reaming diversion structure, a fifth through cavity is formed at the axis of the mandrel base, the inner diameter of the bottom of the fifth through cavity is smaller than the diameter of the falling ball, and a side wall of the fifth through cavity is formed with a side wall hole communicated with the first through cavity.
Preferably, in the above-mentioned novel oil drilling reaming diversion structure, the top of the backflow cavity is formed inside a pushing piston, and the pushing piston pushes the blades to extend out or retract.
Compared with the prior art, the utility model has the advantages of the realization wing of can not stopping stretch out and retrieve, can realize reaming or not reaming in the different positions of underground.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is an initial schematic view of a novel oil drilling reaming structure according to an embodiment of the present invention;
FIG. 2 is an enlarged view of section A of FIG. 1;
fig. 3 is a schematic view of the novel oil drilling reaming structure before the falling ball is separated from the pawl spring according to the embodiment of the invention;
FIG. 4 is an enlarged view of section B of FIG. 1;
fig. 5 is a schematic view of the novel oil drilling reaming structure after the falling ball is separated from the pawl spring according to the embodiment of the invention;
FIG. 6 is an enlarged view of section C of FIG. 5;
FIG. 7 is an enlarged view of section D of FIG. 5;
FIG. 8 is an enlarged view of section E of FIG. 5;
fig. 9 is a perspective view of a cylindrical piston according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail 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, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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.
With reference to fig. 1-9, the novel oil drilling reaming structure 100 is mainly implemented by a flow-changing structure and a blade assembly for oil drilling reaming:
the novel flow-changing structure for the oil drilling reamer mainly changes the flow of the central fluid to drive the pushing piston so as to extend and retract the blades.
The novel oil drilling reaming diversion structure comprises a cylindrical body 101 coaxially connected to the top of a drill rod, a first through cavity 102 is formed in the axis of the cylindrical body 101, a central pipe 103, a piston cylinder 104 and the central pipe 103 are sequentially and coaxially connected in the first through cavity 102 from top to bottom, the axle center of the piston cylinder 104 is respectively provided with a second through cavity 105 and a third through cavity 121 which are communicated with each other, a cylindrical piston 106 is arranged in the third through cavity 121 in a fitting and rotating mode, a fourth through cavity 122 communicated with the third through cavity 121 is formed in the axle center of the cylindrical piston 106, a backflow cavity 108 is formed between the outer wall of the piston cylinder 104 and the inner wall of the cylindrical body 101, a plurality of first backflow holes 109 communicated with the backflow cavity 108 are uniformly distributed in the inner wall of the third through cavity 121 along the circumferential direction, second backflow holes 123 corresponding to the first backflow holes 109 in a one-to-one mode are distributed in the inner wall of the fourth through cavity 122, and when the cylindrical piston 106 rotates, the first backflow holes 109 are communicated or not communicated with the second backflow holes 123.
In the technical scheme, through the movement of the cylindrical piston, the two backflow holes are communicated or not communicated, and when the backflow holes are communicated, fluid can rush to the backflow cavity so as to drive the piston to be pushed to the top of the backflow cavity and push the blade to extend out; when not connected, the piston is pushed to automatically move downwards, namely the blade is retracted. This technical scheme can just drive the cylindricality piston and rotate when needs the wing knife stretches out, and when not needing, continue to drive the cylindricality piston and rotate, can realize stretching out and retrieving of the wing knife that can not stop, can realize reaming or not reaming in the different positions of underground. Compared with the common product which can only realize one reaming and recovery action, the technical scheme has obvious advantages.
Furthermore, the outer wall of the cylindrical piston 106 is circumferentially provided with V-shaped grooves 124 which are communicated end to end, the inner wall of the third through cavity 121 is provided with balls 125 which are attached to and roll in the V-shaped grooves 124, and a central angle formed by two adjacent second backflow holes 123 is equal to a central angle formed by two V-shaped grooves 124.
Among this technical scheme, during concrete operation, the cylindricality piston is because the outside sets up V word groove, and the central angle that two V word grooves 124 formed just equals the central angle that two adjacent second backward flow holes 123 formed, drives cylindricality piston promptly and rotates a V word groove, realizes two backward flow hole intercommunications, rotates a V word groove again, realizes two backward flow hole dislocation not intercommunications to whether this incessantly realizes the backward flow intracavity and has fluid impact, realizes stretching out and retrieving of wing promptly. It should be noted that, the technical solution adopts a V-shaped groove, which can be realized by adopting an S-shaped groove, and only needs to realize the rotation of the cylindrical piston while moving vertically, which all belong to the scope of the present application.
Furthermore, a pawl spring 126 is extended from the inner wall of the fourth through cavity 122 near the bottom, a drop ball 127 is received in the pawl spring 126, and the drop ball 127 drives the pawl spring 126 to move downwards and simultaneously drives the cylindrical piston 106 to move according to an inclined edge of the V-shaped groove 124. A second compression spring 128 is sleeved outside the pawl spring 126 in the fourth passage cavity 122, and the second compression spring 128 pushes the cylindrical piston 106 to return according to the other oblique edge of the V-shaped groove 124.
In the technical scheme, during specific operation, the falling ball drives the cylindrical piston to rotate, and when falling, the falling ball drives the pawl spring to move downwards, so that the cylindrical piston is driven to rotate while moving downwards, namely to move along one side of the V-shaped groove; when the falling ball is separated from the claw spring, the cylindrical piston rebounds due to the action of the compression spring and moves from the other side of the V-shaped groove, namely, the cylindrical piston ascends and rotates simultaneously, so that the V-shaped groove moves, namely, the falling ball falls, the cylindrical piston rotates one V-shaped groove, namely, two backflow holes are communicated, then one falling ball is lost, the cylindrical piston rotates one V-shaped groove again, and the two backflow holes are not communicated in a staggered mode. The ball is dropped ceaselessly to realize the communication or non-communication between the two backflow holes, and whether the backflow cavity is impacted by fluid or not is realized ceaselessly, namely, the extension and the recovery of the blade are realized. It should be noted that the falling ball is preferably used, but not limited to, and it is understood that other falling objects, such as a cylindrical object, can be used to move the cylindrical piston downward, and shall fall within the scope of the present application.
Further, a steering bearing 129 is disposed between the cylindrical piston 106 and the second compression spring 128, and a first retainer ring 130 is disposed between the steering bearing 129 and the second compression spring 128.
In the technical scheme, the cylindrical piston needs to rotate in the process of continuously moving up and down, and other parts cannot be influenced when the cylindrical piston rotates under the action of the steering bearing; because the force is bigger during the falling process of the falling ball, the steering bearing is prevented from being damaged by the protection of the first retaining ring.
Further, the pawl spring 126 is disposed inside the first sleeve 131 in a fitting manner, and the inner diameter of the first sleeve 131 is gradually increased after being leveled from top to bottom.
In the technical scheme, during specific operation, the claw spring is required to catch the falling ball so that the falling ball drives the claw spring and the cylindrical piston to move downwards, so that the V-shaped groove can move, the first sleeve pipe is used for realizing that the falling ball cannot be separated from the claw spring due to the clamping effect of the first sleeve pipe at the upper section with the flat inner diameter of the first sleeve pipe, so that the falling ball drives the claw spring to move downwards, and the cylindrical piston moves downwards; when moving to first sleeve pipe lower part, because the internal diameter grow, the claw spring can't effectively catch the ball that falls, and the ball that falls drops loses power down, and the second compression spring pushes up the cylindricality piston, pushes away to the cylindricality piston and supports and hold in the piston cylinder inner wall. It should be noted that, the section of the first sleeve with the gradually increasing inner diameter can be directly cancelled, and only the holding section needs to be reserved to clamp the falling ball for a certain distance.
Further, the outer wall of the first sleeve 131 is fixed to the inner wall of the spindle seat 132, the bottom of the second compression spring 128 is supported on the top of the spindle seat 132, and the outer wall of the spindle seat 132 is fixedly mounted on the inner wall of the second sleeve 133. The outer wall of the piston cylinder 104 is sealed to the inner wall of the second sleeve 133 below the first return hole 109, and the outer wall of the second sleeve 133 is sealed and fixed to the inner wall of the first through cavity 102.
In the technical scheme, the piston cylinder and other internal components can be installed in advance through the first sleeve and then are installed in the first through cavity in a unified mode, and installation of the components is facilitated.
Further, a fifth through cavity 134 is formed at the axis of the mandrel seat 132, the inner diameter of the bottom of the fifth through cavity 134 is smaller than the diameter of the falling ball 127, and a side wall hole 135 communicated with the first through cavity 102 is formed on the side wall of the fifth through cavity 134.
In the technical scheme, when two backflow holes are communicated, fluid is required to impact in the backflow cavity, so that the downward flowing space of the fluid needs to be compressed, after a falling ball falls down, the bottom hole is blocked, and a part of fluid flows out of the side wall hole and continues to fall into the first through cavity.
Furthermore, a pushing piston 107 is arranged on the outer side of the central tube 103 close to the bottom in a sealing manner, the bottom of the pushing piston 107 extends to the piston cylinder 104, a backflow cavity 108 is formed between the inner wall of the pushing piston 107 and the outer wall of the piston cylinder 104, blades 110 are arranged on the top of the pushing piston 107 in a row along the circumferential direction of the cylindrical body 101, a sliding groove 111 extending obliquely upward to the outer side is formed in the cylindrical body 101, the blades 110 are attached to and slide on the sliding groove 111, and when the piston 107 is pushed to move upward, the pushing blades 110 extend obliquely upward.
In the technical scheme, the blades are slidably mounted in the sliding grooves in a fitting mode, and when the piston is pushed to move upwards under the internal stress, the blades are driven to slide upwards and obliquely outwards, the blades are stretched out, and reaming operation is achieved.
Further, the central tube 103 and the piston cylinder 104 are connected by an upper mandrel 112.
In the technical scheme, the upper mandrel is in transition connection, so that the installation is convenient and the piston cylinder can be protected.
Further, the piston cylinder 104 outer wall seals the first through cavity 102 below the first return orifice 109.
In the technical scheme, the bottom of the backflow cavity needs to be sealed, otherwise, the fluid flows downwards and cannot impact reversely to push the piston.
Further, a second blocking ring 113 is disposed between the pushing piston 107 and the blade 110, and a fixed clamping seat 114 is disposed at the bottom of the second blocking ring 113.
In the technical scheme, the installation is required, the installation is convenient and the stability of the equipment is improved.
Further, a first compression spring 115 is disposed on the top of the blade 110, and the first compression spring 115 pushes the blade 110 to retract obliquely downward.
In this technical scheme, after pushing away the piston and losing power, first compression spring compresses the sword wing downwards along the spout and withdraws.
Further, a third blocking ring 116 is disposed between the first compression spring 115 and the blade 110.
Further, the first compression spring 115 is sleeved outside the central tube 103, and a spring protection tube 117 is disposed outside the first compression spring 115.
Among this technical scheme, be used for the protection spring, prevent card and die and damage.
Further, the top of the spring protection tube 117 is fixedly mounted on the upper fixing seat 118 through threads, the upper fixing seat 118 is fixedly mounted on the inner wall of the first through cavity 102, and an adjusting gap 119 is formed between the bottom of the spring protection tube 117 and the top of the third retainer ring 116.
Among this technical scheme, the biggest distance that stretches out of wing depends on between spring pillar and the third fender ring apart from, and this distance has decided the wing and has moved up the distance at utmost, has decided the distance of stretching out promptly, so can just can adjust the length that the wing stretches out through the screw thread distance between adjusting spring pillar and the last fixing base.
Furthermore, a water hole 120 communicated with the backflow cavity 108 is formed in the side wall of the cylindrical body 101, the water hole 120 extends towards the action direction of the blade 110, and when the piston 107 is pushed to move upwards, the water hole 120 is communicated with the water hole 120; when the push piston 107 moves downwards, the push piston 107 shields the water hole 120.
In the technical scheme, the water hole is used for flushing water, cooling and removing chips when the cutter blade is reamed, so that the cutter blade is protected. And the fluid in the water hole comes from the reflux cavity, so that the structure is compact and reasonable.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.
Claims (10)
1. A novel flow-changing structure for oil drilling and reaming eyes is characterized by comprising a cylindrical body coaxially connected to the top of a drill rod, wherein a first through cavity is formed in the axis of the cylindrical body, a central pipe and a piston cylinder are sequentially and coaxially connected in the first through cavity from top to bottom, a second through cavity and a third through cavity which are mutually communicated are respectively formed in the axes of the central pipe and the piston cylinder, a cylindrical piston is arranged in the third through cavity in a laminating and rotating manner, a fourth through cavity communicated with the third through cavity is formed in the axis of the cylindrical piston, a backflow cavity is formed between the outer wall of the piston cylinder and the inner wall of the cylindrical body, a plurality of first backflow holes communicated with the backflow cavity are uniformly distributed in the inner wall of the third through cavity along the circumferential direction, second backflow holes corresponding to the first backflow holes one to one are distributed in the inner wall of the fourth through cavity, and when the cylindrical piston rotates, the first backflow hole is communicated or not communicated with the second backflow hole.
2. The novel oil drilling reaming diversion structure according to claim 1, wherein end-to-end communicated V-shaped grooves are circumferentially arranged on the outer wall of the cylindrical piston, balls which are attached to and roll in the V-shaped grooves are formed on the inner wall of the third through cavity, and central angles formed by two adjacent second return holes are central angles formed by two V-shaped grooves.
3. The new type of flow-changing structure for oil drilling reamer as claimed in claim 2, wherein a pawl spring is extended from the inner wall of the fourth cavity near the bottom, the pawl spring receives a ball drop therein, and the ball drop drives the pawl spring to move down and simultaneously drives the cylindrical piston to move according to one of the inclined sides of the V-shaped groove.
4. The novel oil drilling reaming diversion structure according to claim 3, wherein a compression spring is sleeved in the fourth through cavity outside the pawl spring and pushes the cylindrical piston to reset according to the other bevel edge of the V-shaped groove.
5. The novel oil drilling reaming diversion structure of claim 4, wherein a steering bearing is arranged between the cylindrical piston and the compression spring, and a first retaining ring is arranged between the steering bearing and the compression spring.
6. The novel oil drilling reaming diversion structure of claim 4, wherein the claw spring is attached to the inside of the first sleeve, and the inner diameter of the first sleeve is gradually increased after being kept flat from top to bottom.
7. The new flow-diverting structure for oil drilling reamer as claimed in claim 6, wherein the outer wall of the first sleeve is fixed to the inner wall of the mandrel holder, the bottom of the compression spring is supported on the top of the mandrel holder, and the outer wall of the mandrel holder is fixedly mounted on the inner wall of the second sleeve.
8. The new flow-changing structure for oil drilling reamer as claimed in claim 7, wherein the outer wall of the piston cylinder is sealed to the inner wall of the second sleeve below the first return hole, and the outer wall of the second sleeve is sealed and fixed to the inner wall of the first through cavity.
9. The new type oil drilling reaming diversion structure according to claim 7, wherein a fifth through cavity is formed on the axle center of the mandrel seat, the bottom inner diameter of the fifth through cavity is smaller than the falling ball diameter, and a side wall of the fifth through cavity is formed with a side wall hole communicating with the first through cavity.
10. The new type of oil drilling reamer re-flow structure as claimed in claim 1, wherein the top of said re-flow cavity is formed inside a pushing piston which pushes the blades to extend or retract.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022948513.9U CN214247276U (en) | 2020-12-10 | 2020-12-10 | Novel oil drilling expands structure of changing flow of eyes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022948513.9U CN214247276U (en) | 2020-12-10 | 2020-12-10 | Novel oil drilling expands structure of changing flow of eyes |
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| CN214247276U true CN214247276U (en) | 2021-09-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027381A (en) * | 2020-12-10 | 2021-06-25 | 苏州安能捷工具有限公司 | Novel oil drilling expands structure of changing flow of eyes |
| CN113027381B (en) * | 2020-12-10 | 2024-10-22 | 苏州安能捷工具有限公司 | Novel oil drilling reaming is with changing structure that flows |
-
2020
- 2020-12-10 CN CN202022948513.9U patent/CN214247276U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027381A (en) * | 2020-12-10 | 2021-06-25 | 苏州安能捷工具有限公司 | Novel oil drilling expands structure of changing flow of eyes |
| CN113027381B (en) * | 2020-12-10 | 2024-10-22 | 苏州安能捷工具有限公司 | Novel oil drilling reaming is with changing structure that flows |
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