CN212898393U - Side drill windowing drill bit suite convenient to locate - Google Patents

Side drill windowing drill bit suite convenient to locate Download PDF

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Publication number
CN212898393U
CN212898393U CN202021377460.3U CN202021377460U CN212898393U CN 212898393 U CN212898393 U CN 212898393U CN 202021377460 U CN202021377460 U CN 202021377460U CN 212898393 U CN212898393 U CN 212898393U
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China
Prior art keywords
drill bit
column
sleeve
positioning
windowing
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CN202021377460.3U
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Chinese (zh)
Inventor
王志刚
李小洋
尹浩
李鑫淼
刘秀美
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Institute of Exploration Technology Chinese Academy of Geological Sciences
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Institute of Exploration Technology Chinese Academy of Geological Sciences
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Abstract

The utility model provides a sidetracking windowing drill bit suite convenient for positioning, which belongs to the technical field of oil exploitation tools and comprises a drill bit body, a positioning sleeve and a positioning mechanism, wherein the positioning sleeve is used for being connected at the end part of a windowing sidetracking drill rod, and the drill bit body is connected on the positioning sleeve; the positioning mechanisms are multiple and are arranged on the outer wall of the positioning sleeve, the drill bit body is in contact with the slope guider, the axial direction of the drill bit body is parallel to the inclined plane of the slope guider, the distance between the drill bit body and the slope guider is adjusted by means of the positioning mechanisms, and the position of the drill bit body drilling on the casing is positioned by means of the positioning mechanisms. The utility model provides a pair of sidetracking drill bit external member of windowing convenient to location has the position location that enables the drill bit to windowing on the sleeve pipe, and the well drilling position of drill bit is adjustable, the technological effect of being convenient for fix a position and creep into.

Description

Side drill windowing drill bit suite convenient to locate
Technical Field
The utility model belongs to the technical field of the oil development instrument, more specifically say, relate to a sidetracking drill bit external member of windowing convenient to location.
Background
The casing sidetrack windowing is an important means for improving the well exploration success rate and the oil gas recovery rate and improving the productivity in the process of oil exploration and development, and the technology is an oil-increasing and production-increasing process technology with low investment and quick effect, can shorten the drilling period and can save the drilling cost. By utilizing the windowing sidetracking process technology, windowing directional sidetracking construction of various wells of different types is carried out on the oilfield site, and a good effect is achieved.
In the process of casing windowing and sidetracking, a borehole is formed as a result of interaction of a drill bit with a casing wall and a stratum, the drill bit is directly broken and is bound to be affected by various aspects such as a drill rod, an inclined guider, a casing and the stratum, and aiming at a sidetracking type windowing process, the position of windowing on the casing cannot be positioned by the conventional drill bit in the drilling process of the drill bit, so that the position of windowing sidetracking is easy to be poorly positioned, and the construction depth of drilling on the inner side of the casing is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sidetracking drill bit external member of windowing convenient to location aims at solving the technical problem that the position of windowing can not fix a position on the sleeve pipe of current drill bit.
In order to achieve the above object, the utility model adopts the following technical scheme: the side-drilling windowing drill bit kit convenient to position comprises a drill bit body, a positioning sleeve and a positioning mechanism, wherein the positioning sleeve is used for being connected to the end part of a windowing side-drilling drill rod, and the drill bit body is connected to the positioning sleeve; the positioning mechanisms are multiple and are arranged on the outer wall of the positioning sleeve, the drill bit body is in contact with the slope guider, the axial direction of the drill bit body is parallel to the inclined plane of the slope guider, the distance between the drill bit body and the slope guider is adjusted by the aid of the positioning mechanisms, and the position of the drill bit body drilling on the casing is positioned by the aid of the positioning mechanisms.
As another embodiment of the application, the positioning sleeve comprises a sleeve body, a threaded portion and a guide portion, a blind hole is formed in one end of the sleeve body, and an internal thread is formed in the blind hole and is in threaded connection with the drill bit body; the threaded part is fixedly arranged at the other end, opposite to the blind hole, of the sleeve body and is used for being connected with an internal thread at the end part of the window sidetracking drill rod; the guide part is arranged on the sleeve body and arranged on one end of the blind hole and is annular, and when the drill bit body is installed on the sleeve body, the guide part is used for guiding the drill bit body to the inside of the blind hole.
As another embodiment of the present application, a slide rail is axially disposed on the sleeve body along the sleeve body, the positioning mechanism includes a first column, a second column and an elastic member, the first column is disposed on the sleeve body, and the first column is telescopically adjustable and has a telescopic direction along a radial direction of the sleeve body; the second column is connected to the sliding rail in a sliding mode, the second column can be adjusted in a telescopic mode, the telescopic direction of the second column is along the radial direction of the sleeve body, the second column and the first column are arranged side by side, and the distance between the second column and the first column can be adjusted; the elastic component is the arc, and one end consolidation is in first column tip portion, the other end consolidation are in the tip of second cylinder, the drill bit body is bored the in-process, the elastic component is used for the butt to lead the sloping ware, the radian of elastic component can be with the help of the second cylinder is adjusted, the elastic component with distance between the cover body is with the help of first column with the second cylinder is adjusted, distance between drill bit body and the sloping ware is with the help of first column with the second cylinder is adjusted, the position that the drill bit body creeps into on to the sleeve pipe is with the help of first column with the second cylinder location.
As another embodiment of this application, first post with the second post all includes the telescopic link of multisection end to end grafting each other, the length of telescopic link is adjustable, every section all be equipped with locating part on the telescopic link, adjacent two sections distance between the telescopic link is with the help of the locating part is spacing.
As another embodiment of the present application, an end of the first column is fixedly connected to the sleeve body through a bolt, an end of the second column is fixedly provided with a sliding block, the sliding block is slidably connected to the sliding rail, and a sliding position of the sliding block on the sliding rail can be located.
As another embodiment of this application, the elastic component includes that both ends are connected respectively first post with arc on the second post with set firmly in the wearing layer in the arc outside, the wearing layer is used for butt slope guide and/or the sleeve pipe.
As another embodiment of this application, on the cover body the bottom of blind hole is equipped with the rebound pad, the drill bit body with the back is connected to the blind hole, the rebound pad is used for the ejection the drill bit body is to keeping away from the direction removal of blind hole.
As another embodiment of this application, the cover body is cylindricly, the blind hole cross-section is the toper, is close to cover body tip the blind hole internal diameter is greater than and is located inside the cover body the blind hole internal diameter.
As another embodiment of this application, screw thread portion is the round frustum form, is equipped with the external screw thread on the periphery, screw thread portion with the coaxial setting of cover body.
As another embodiment of the present application, the sleeve body and the threaded portion are integrally formed.
The utility model provides a pair of sidetracking drill bit external member of windowing convenient to location's beneficial effect lies in: compared with the prior art, the utility model relates to a sidetracking drill bit external member of windowing convenient to location installs the drill bit body on the position sleeve, through setting up a plurality of positioning mechanism on the position sleeve outer wall, when enabling the drill bit body and leading the contact of sloping ware, just after the inclined plane parallel of drill bit body axial and leading sloping ware, the distance between drill bit body and the leading sloping ware is adjusted with the help of positioning mechanism, and the drill bit body is fixed a position with the help of positioning mechanism to the position of creeping into on the sleeve pipe, has solved the technical problem that the position of windowing on the sleeve pipe can not fix a position of current drill bit, has to enable the drill bit to the position location of windowing on the sleeve pipe, and the well drilling position of drill bit is adjustable, the technological effect of being convenient for fix a position and.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a sidetrack windowing drill bit kit convenient for positioning according to an embodiment of the present invention;
fig. 2 is a schematic view of a positioning mechanism and a positioning sleeve connecting structure of a sidetracking windowing drill bit kit convenient for positioning provided by the embodiment of the utility model.
In the figure: 1. a drill bit body;
2. a positioning sleeve; 21. a sleeve body; 22. a threaded portion; 23. a guide portion; 24. blind holes; 25. a slide rail; 26. a rebound pad;
3. a positioning mechanism; 31. a first column; 32. a second column; 33. an elastic member; 331. an arc-shaped plate; 332. a wear layer; 34. a limiting member; 35. a slide block.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-2, a side-drilling windowing drill bit kit for facilitating positioning according to the present invention will now be described. The side-drilling windowing drill bit kit convenient to position comprises a drill bit body 1, a positioning sleeve 2 and a positioning mechanism 3, wherein the positioning sleeve 2 is used for being connected to the end part of a windowing side-drilling drill rod, and the drill bit body 1 is connected to the positioning sleeve 2; the positioning mechanisms 3 are multiple and are arranged on the outer wall of the positioning sleeve 2, the drill bit body 1 is in contact with the slope guider, the axial direction of the drill bit body 1 is parallel to the inclined plane of the slope guider, the distance between the drill bit body 1 and the slope guider is adjusted by means of the positioning mechanisms 3, and the position of the drill bit body 1 for drilling on the casing is positioned by means of the positioning mechanisms 3.
The utility model provides a pair of side drill bit external member of windowing convenient to location, compared with the prior art, the utility model relates to a side drill bit external member of windowing convenient to location installs drill bit body 1 on position sleeve 2, through setting up a plurality of positioning mechanism 3 on 2 outer walls of position sleeve, when enabling drill bit body 1 and the contact of deflector, and drill bit body 1 axial and the inclined plane parallel back of deflector, distance between drill bit body 1 and the deflector is adjusted with the aid of positioning mechanism 3, drill bit body 1 fixes a position with the aid of positioning mechanism 3 to the position of creeping into on the sleeve pipe, the technical problem that the position of windowing on the sleeve pipe can not fix a position has been solved to current drill bit, it can make the drill bit fix a position to the position of windowing on the sleeve pipe to have, the well drilling position of drill bit is adjustable, be convenient for location and the technological effect of creeping into.
In the concrete implementation, position sleeve 2 and drill bit body 1 are the completion of installing in advance, and positioning mechanism 3 also is the completion of installing in advance with position sleeve 2, through just need accomplish positioning mechanism 3's location position control before not creeping into, then go into down the utility model discloses a drill bit, after the drill bit contact deflector, can drill to the sleeve pipe side, the window is opened to the side drill promptly, through adjusting the distance between drill bit body 1 and the deflector, just can adjust the position of opening the window on the drill bit to the sleeve pipe, has realized the function of the drill bit that can fix a position. However, the adjustment range of the positioning mechanism 3 is also limited, and the adjustment can be performed within a certain range.
Specifically, the drill bit body 1 is made of hardened steel, and the drill bit body 1 is required to have good hardness and toughness and can bear large impact load; in addition, because the temperature of the cutting part of the blade is very high in the cutting process, the cutting part of the blade must be ensured not to fall off or be oxidized and deteriorated at high temperature, and YT-type hard alloy with high hardness, wear resistance and good heat conductivity is selected as a cutter material for the drill bit body 1.
As a specific embodiment of the side drill windowing drill bit kit convenient for positioning provided by the present invention, please refer to fig. 1-2, the positioning sleeve 2 includes a sleeve body 21, a threaded portion 22 and a guiding portion 23, one end of the sleeve body 21 is provided with a blind hole 24, and an internal thread is arranged in the blind hole 24 for being in threaded connection with the drill bit body 1; the threaded part 22 is fixedly arranged at the other end, opposite to the blind hole 24, of the sleeve body 21 and is used for being connected with an internal thread at the end part of the window side drilling drill rod; the guide part 23 is arranged on the sleeve body 21 and is arranged on one end of the blind hole 24, the guide part 23 is annular, and when the drill bit body 1 is installed on the sleeve body 21, the guide part 23 is used for guiding the drill bit body 1 to the blind hole 24.
In an embodiment, the guiding portion 23 may be a special-shaped ring structure, when the drill body 1 is installed into the sleeve body 21, the guiding drill body 1 can smoothly enter the blind hole 24 of the sleeve body 21, and the guiding portion 23 is detachably connected to the sleeve body 21.
As a specific embodiment of the drill bit kit for sidetracking and windowing convenient to position provided by the present invention, please refer to fig. 1-2, a slide rail 25 is disposed on the sleeve body 21 along the axial direction of the sleeve body 21, the positioning mechanism 3 includes a first column 31, a second column 32 and an elastic member 33, the first column 31 is disposed on the sleeve body 21, the first column 31 is telescopically adjustable, and the telescopic direction is along the radial direction of the sleeve body 21; the second column 32 is slidably connected to the slide rail 25, the second column 32 can be telescopically adjusted, the telescopic direction of the second column 32 is along the radial direction of the sleeve body 21, the second column 32 and the first column 31 are arranged side by side, and the distance between the second column 32 and the first column 31 can be adjusted; the elastic piece 33 is arc-shaped, one end of the elastic piece is fixedly connected to the end of the first column 31, the other end of the elastic piece is fixedly connected to the end of the second column 32, the elastic piece 33 is used for abutting against the slope guide in the drilling process of the drill bit body 1, the radian of the elastic piece 33 can be adjusted through the second column 32, the distance between the elastic piece 33 and the sleeve body 21 is adjusted through the first column 31 and the second column 32, the distance between the drill bit body 1 and the slope guide is adjusted through the first column 31 and the second column 32, and the drilling position of the drill bit body 1 on the casing is positioned through the first column 31 and the second column 32. According to the position of pre-positioning on the sleeve, the position of the second column 32 relative to the first column 31 is reasonably adjusted, so that the radian or the bending degree of the elastic piece 33 can be adjusted, the distance between the drill bit body 1 and the slope guider can be determined, and the positioning effect on the windowing position on the sleeve can be determined. The larger the distance between the drill bit body 1 and the slope guiding device is, the higher the drilling position of the drill bit body 1 on the casing (in the vertical direction along the casing) is, and the lower the drilling position is, otherwise, the positioning function of determining the side drilling windowing position of the drill bit body 1 on the casing by adjusting the positioning mechanism 3 is realized.
As a specific embodiment of the side drill windowing drill bit suite convenient to location, please refer to fig. 1-2, first post 31 and second post 32 all include the telescopic link of inserting each other end to end of multisection, and the length of telescopic link is adjustable, all is equipped with locating part 34 on every section telescopic link, and the distance between two adjacent sections of telescopic links is spacing with the help of locating part 34. After the total length of the first column 31 and the second column 32 is adjusted, the total length of the first column 31 and the second column 32 can be limited by screwing the limiting member 34, so that the positioning mechanism 3 does not move during the drilling process of the drill bit body 1, and good stability is maintained.
Specifically, the limiting member 34 is a jack screw inserted into the telescopic rod, and by screwing the jack screw, sliding connection or fixed connection between two adjacent telescopic rods can be realized, so that the effect of limiting the total length of the first column 31 and the second column 32 is achieved.
As a specific embodiment of the side-drilling windowing drill bit kit convenient for positioning provided by the present invention, please refer to fig. 1-2, the end of the first column 31 is fixedly connected to the sleeve body 21 through a bolt, the end of the second column 32 is fixedly provided with the slider 35, the slider 35 is slidably connected to the slide rail 25, and the sliding position of the slider 35 on the slide rail 25 can be positioned. The sliding block 35 is also provided with a bolt, the moving position of the sliding block 35 can be limited through the bolt, the moving position of the second limiting column 32 can be further limited, the mutual distance between the elastic part 33 and the slope guide support can be adjusted by adjusting the second limiting column 32, and then the effect on the positioning position of the casing side drilling window opening can be adjusted.
As a specific embodiment of the drill kit for sidetracking and windowing convenient to locate provided by the present invention, please refer to fig. 1-2, the elastic member 33 includes an arc 331 with two ends respectively connected to the first column 31 and the second column 32 and a wear layer 332 fixed outside the arc 331, and the wear layer 332 is used for abutting against the whipstock and/or the casing. Because the drill bit body 1 always bears wear and tear in the drilling process, and the elastic part 33 also bears wear and tear, in order to increase the service life of the elastic part 33, the wear-resistant layer 332 on the outer side of the arc-shaped plate 331 can increase the wear resistance of the arc-shaped plate 331 and prolong the service life.
As a specific embodiment of the drill bit kit for side drilling and windowing convenient to position provided by the present invention, please refer to fig. 1-2, the bottom of the blind hole 24 on the sleeve body 21 is provided with a rebound pad 26, after the drill bit body 1 is connected with the blind hole 24, the rebound pad 26 is used for pushing the drill bit body 1 to move in the direction away from the blind hole 24.
As a specific embodiment of the drill bit kit for sidetracking and windowing convenient to position provided by the present invention, please refer to fig. 1-2, the sleeve body 21 is cylindrical, the cross section of the blind hole 24 is conical, and the inner diameter of the blind hole 24 near the end of the sleeve body 21 is larger than the inner diameter of the blind hole 24 inside the sleeve body 21.
As a specific embodiment of the side drill windowing drill bit kit convenient for positioning provided by the present invention, please refer to fig. 1-2, the threaded portion 22 is in an inverted circular truncated cone shape, the outer periphery is provided with an external thread, and the threaded portion 22 and the sleeve body 21 are coaxially disposed.
As a specific embodiment of the drill bit kit for sidetracking and windowing provided by the present invention, please refer to fig. 1-2, the sleeve body 21 and the threaded portion 22 are integrally formed.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A sidetrack fenestration drill bit kit for facilitating positioning, comprising:
a drill bit body;
the positioning sleeve is used for being connected to the end part of the windowing side-drilling drill rod, and the drill bit body is connected to the positioning sleeve; and
the positioning mechanisms are multiple and are arranged on the outer wall of the positioning sleeve, the drill bit body is in contact with the slope guider, the axial direction of the drill bit body is parallel to the inclined plane of the slope guider, the distance between the drill bit body and the slope guider is adjusted by the aid of the positioning mechanisms, and the position of the drill bit body drilling on the sleeve is positioned by the aid of the positioning mechanisms.
2. The sidetrack window drill bit kit for facilitating positioning of claim 1, wherein the positioning sleeve comprises:
one end of the sleeve body is provided with a blind hole, and an internal thread is arranged in the blind hole and is used for being in threaded connection with the drill bit body;
the threaded part is fixedly arranged at the other end, opposite to the blind hole, of the sleeve body and is used for being connected with an internal thread at the end part of the window side drilling drill rod; and
the guide part is arranged on the sleeve body and arranged on one end of the blind hole and is annular, and when the drill bit body is installed on the sleeve body, the guide part is used for guiding the drill bit body to the inside of the blind hole.
3. The sidetracking fenestration drill bit kit of claim 2 which is convenient for positioning, wherein the sleeve body is provided with a slide rail along the axial direction of the sleeve body, and the positioning mechanism comprises:
the first column is arranged on the sleeve body, can be telescopically adjusted, and has a telescopic direction along the radial direction of the sleeve body;
the second column is connected to the sliding rail in a sliding mode, can be adjusted in a telescopic mode, the telescopic direction of the second column is along the radial direction of the sleeve body, the second column and the first column are arranged side by side, and the distance between the second column and the first column is adjustable; and
the elastic component is the arc, and one end concreties first column end portion, the other end concreties the tip of second cylinder, the drill bit body is bored the in-process, the elastic component is used for the butt to lead the sloping ware, the radian of elastic component can be with the help of the second cylinder is adjusted, the elastic component with distance between the cover body is with the help of first post with the second cylinder is adjusted, distance between drill bit body and the sloping ware is with the help of first post with the second cylinder is adjusted, the position that the drill bit body creeps into on to the sleeve pipe is with the help of first post with the second cylinder location.
4. The lateral drilling windowing drill bit kit facilitating positioning according to claim 3, wherein each of the first column and the second column comprises a plurality of telescopic rods which are inserted end to end, the length of each telescopic rod is adjustable, each telescopic rod is provided with a limiting part, and the distance between two adjacent telescopic rods is limited by the aid of the limiting parts.
5. The lateral drilling windowing drill bit kit facilitating positioning of claim 3, wherein an end of the first column is fixedly connected to the sleeve body through a bolt, an end of the second column is fixedly provided with a sliding block, the sliding block is slidably connected to the sliding rail, and a sliding position of the sliding block on the sliding rail is positionable.
6. The lateral drilling windowing drill bit kit facilitating positioning according to claim 3, wherein the elastic member comprises an arc-shaped plate with two ends connected to the first column and the second column respectively, and a wear-resistant layer fixedly arranged on the outer side of the arc-shaped plate, wherein the wear-resistant layer is used for abutting against the slope guider and/or the sleeve.
7. The side-drilling windowing drill bit kit facilitating positioning of claim 2, wherein a rebound pad is disposed on the sleeve body at the bottom of the blind hole, and the rebound pad is used for pushing the drill bit body to move away from the blind hole after the drill bit body is connected with the blind hole.
8. The sidetrack window drill bit kit for facilitating positioning of claim 2 wherein said sleeve body is cylindrical and said blind hole is tapered in cross-section, said blind hole being closer to said sleeve body end portion having an inner diameter greater than said blind hole located within said sleeve body.
9. The lateral drilling windowing drill bit kit convenient to position as recited in claim 2, wherein said threaded portion is in the shape of an inverted frustum, and has external threads on the outer periphery, said threaded portion being disposed coaxially with said sleeve body.
10. The sidetrack window drill bit kit for facilitating positioning of claim 2, wherein the sleeve body and the threaded portion are integrally formed.
CN202021377460.3U 2020-07-14 2020-07-14 Side drill windowing drill bit suite convenient to locate Active CN212898393U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021377460.3U CN212898393U (en) 2020-07-14 2020-07-14 Side drill windowing drill bit suite convenient to locate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021377460.3U CN212898393U (en) 2020-07-14 2020-07-14 Side drill windowing drill bit suite convenient to locate

Publications (1)

Publication Number Publication Date
CN212898393U true CN212898393U (en) 2021-04-06

Family

ID=75287794

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021377460.3U Active CN212898393U (en) 2020-07-14 2020-07-14 Side drill windowing drill bit suite convenient to locate

Country Status (1)

Country Link
CN (1) CN212898393U (en)

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