CN220302093U

CN220302093U - Windowing milling cone with windowing and trial drilling integrated function

Info

Publication number: CN220302093U
Application number: CN202321235862.3U
Authority: CN
Inventors: 王治国; 沈建中; 王国平; 曹建山; 李云虎; 严燃
Original assignee: China Petroleum and Chemical Corp; Sinopec East China Oil and Gas Co
Current assignee: China Petroleum and Chemical Corp; Sinopec East China Oil and Gas Co
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2024-01-05
Anticipated expiration: 2033-05-22

Abstract

The utility model discloses a windowing milling cone with a windowing and trial drilling integrated function, wherein a milling cone base body is sequentially provided with a milling cone head (1), a body (2) and an upper joint (3) from front to back, the front end face and the rear end face of the milling cone head (1) are respectively provided with a drilling and milling face (8) and a butt joint face, cutting teeth I (5) are radially and uniformly distributed on the drilling and milling face (8), the rest part of the drilling and milling face (8) is further provided with superhard crushed alloy (9) and a diamond composite sheet (10), cutting teeth II (6) are axially and uniformly distributed on the surface of the milling cone head (1), the front end and the rear end of the body (2) are respectively connected with the milling cone head (1) and the upper joint (3), the body (2) is connected with a downhole drilling tool through the upper joint (3), cutting teeth III (7) are axially and uniformly distributed on the front part of the surface of the body (2), and grinding blocks (4) are axially and uniformly distributed on the rear surface of the body (2) in a spiral shape. The utility model has higher window opening success rate and high operation and use efficiency.

Description

Windowing milling cone with windowing and trial drilling integrated function

Technical Field

The utility model relates to a windowing milling cone tool, in particular to a windowing milling cone with a windowing trial-drilling integrated function.

Background

The existing windowing milling cone only adopts alloy cutting teeth to window the thick-wall high-grade alloy sleeve, the windowing milling cone has low one-time success rate of windowing due to the influence of materials, and moreover, the milling cone also needs to be started after windowing, so that the single-bending screw drilling tool belt directional instrument can be used for casing construction, and the drill bit needs to be replaced to drill down for trial drilling 20-30m well depth, so that the use is very inconvenient.

Disclosure of Invention

The utility model provides a windowing milling cone with a windowing and trial drilling integrated function, which has higher windowing success rate and high operation and use efficiency.

The utility model adopts the following technical scheme: the utility model provides a milling cone of windowing with integration function of trial drilling, it mainly includes milling cone base member and cutting assembly, milling cone base member from front to back be equipped with milling cone head, body and top connection in proper order, cutting assembly mainly include a plurality of grinding blocks and cutting tooth assembly, cutting tooth assembly includes a plurality of cutting teeth I, a plurality of cutting teeth II and a plurality of cutting teeth III, front end and the rear end of milling cone head set up respectively to bore milling face and butt joint face, a plurality of cutting teeth I radial evenly distributed is on boring milling face, still distribute super hard garrulous alloy and diamond compact disc at the rest of boring milling face, a plurality of cutting teeth II axial evenly distributed is on milling cone head's surface, front end and the rear end of body be connected with milling cone head and top connection respectively, the body is connected with the drilling tool through the top connection, a plurality of cutting teeth III axial is spiral evenly distributed in the front portion of body surface, a plurality of grinding blocks axial is spiral evenly distributed in the rear surface of body.

Furthermore, the drilling and milling surface on distribute have three cutting tooth I and three water eye, radial evenly distributed of three cutting tooth I is on the drilling and milling surface, intermediate position between every two cutting tooth I is equipped with a water eye I, be equipped with the slope contained angle between water eye I's periphery distribution has super hard garrulous alloy and diamond compact, be equipped with the slope contained angle between diamond compact and the drilling and milling surface, super hard garrulous alloy and diamond compact height that is less than super hard garrulous alloy, mill first surface axial evenly distributed and have six cutting tooth II and three basin I, every basin I distributes between two cutting tooth II, and every basin I is passed in milling the cone head and is linked together with water eye I, the front portion of body surface is spiral form axial evenly distributed and has six cutting tooth II, be equipped with the slope contained angle between every cutting tooth II and the body surface, the rear surface of body is the bolt form evenly distributed and have six abrasive blocks, every cutting tooth II corresponds with every abrasive block, still evenly distributed has three basin II on the body surface axial, evenly distributed has three basin II respectively and water eye I are linked together with the water channel I through the center of every water eye I in proper order, the water cone I is linked together with the water channel I through the water channel I center of every water eye I.

Furthermore, the milling cone head is conical, and the diameter of the butt joint surface of the milling cone head is larger than that of the drilling and milling surface.

Further, the grinding block is arranged as a diamond grinding block.

Further, the body is a cylinder, and the diameter of the body is larger than that of the butt joint surface.

Further, the cutting tooth I, the cutting tooth II and the cutting tooth III are all YD alloy cutting teeth.

The utility model has the following beneficial effects: after the technical scheme is adopted, the cutting assembly comprises the cutting teeth I on the drilling and milling surface, superhard crushed alloy and a diamond composite sheet are distributed on the rest part of the drilling and milling surface, the cutting teeth II on the surface of the milling cone head, the cutting teeth III and the grinding blocks on the surface of the body, and when the milling cone substrate is driven to rotate through the rotation of the drilling tool, the superhard crushed alloy is used for cutting the sleeve, and then the cutting teeth and the diamond grinding blocks made of high-strength alloy material are used for rapidly milling the sleeve; when the milling cone head contacts with the stratum, the diamond composite sheet on the surface of the milling cone head drills into the stratum, so that the milling cone integrates two drilling modes of milling of the thick-wall high-steel-grade sleeve and trial drilling of the hard stratum, oil layer sleeve windowing and trial drilling construction are completed at one time, the construction process of windowing the thick-wall high-steel-grade alloy sleeve and the hard stratum sleeve is simplified, the operation and use efficiency is improved, and meanwhile, the milling cone has the characteristics of high windowing success rate, high reliability and high-efficiency long-life drilling.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic diagram of a drilling and milling surface structure of the milling bit of the present utility model.

Description of the embodiments

The following are specific embodiments of the present utility model patent and the technical solutions of the present utility model patent are further described with reference to the accompanying drawings, but the present utility model patent is not limited to these embodiments.

In fig. 1 and 2, the utility model provides a windowing milling cone with a windowing test drilling integrated function, which mainly comprises a milling cone base body and a cutting assembly, wherein the milling cone base body is sequentially provided with a milling cone head 1, a body 2 and an upper joint 3 from front to back, the cutting assembly mainly comprises a plurality of grinding blocks 4 and a cutting tooth assembly, the cutting tooth assembly comprises a plurality of cutting teeth I5, a plurality of cutting teeth II 6 and a plurality of cutting teeth III 7, the front end surface and the rear end surface of the milling cone head 1 are respectively provided with a drilling milling surface 8 and a butt joint surface, the plurality of cutting teeth I5 are radially and uniformly distributed on the drilling milling surface 8, superhard crushed alloy 9 and a diamond composite sheet 10 are also distributed on the rest part of the drilling milling surface 8, the plurality of cutting teeth II 6 are axially and uniformly distributed on the surface of the milling cone head 1, the front end and the rear end of the body 2 are respectively connected with the milling cone head 1 and the upper joint 3, the body 2 is connected with a downhole drilling tool through an upper joint 3, a plurality of cutting teeth III 7 are uniformly distributed on the front part of the surface of the body 2 in a spiral shape in the axial direction, a plurality of grinding blocks 4 are uniformly distributed on the rear surface of the body 2 in a spiral shape in the axial direction, three cutting teeth I5 and three water holes are distributed on the drilling and milling surface 8 in the embodiment, the three cutting teeth I5 are uniformly distributed on the drilling and milling surface 8 in the radial direction, a water hole I11 is arranged in the middle position between every two cutting teeth I5, superhard crushed alloy 9 and diamond composite sheets 10 are distributed around the water hole I11, inclined included angles are arranged between the diamond composite sheets 10 and the drilling and milling surface 8, the superhard crushed alloy 9 and the diamond composite sheets 10 are distributed in a staggered mode, the height of the diamond composite sheets 10 is lower than that of the superhard crushed alloy 9, six cutting teeth II 6 and three water grooves I12 are uniformly distributed on the surface of the milling head 1 in the axial direction, each water groove I12 is distributed between two cutting teeth II 6, each water groove I12 penetrates through the milling cone head and is communicated with a water hole I11, six cutting teeth II 6 are uniformly distributed on the front part of the surface of the body 2 in a spiral axial direction, an inclined included angle is formed between each cutting tooth II 6 and the surface of the body 2, six grinding blocks 4 are uniformly distributed on the rear surface of the body 2 in a bolt shape, each cutting tooth II 6 corresponds to each grinding block 4, three water grooves II 13 are uniformly distributed on the surface of the body 2 in the axial direction, the three water grooves II 13 respectively correspond to the three water grooves I12 and the water hole I11 in sequence, each water groove II 13 penetrates through the body 2 and is communicated with each water groove I12, every water hole I11 passes through in milling cone head 1 with milling cone base member center's central water hole II be linked together, every water tank II 13 is linked together with milling cone base member center's central water hole II through every water tank I12 and every water hole I11 and forms drilling fluid runner, milling cone head 1 of this embodiment is the toper and milling cone head 1 butt joint face's diameter is greater than the diameter of boring and milling face 8, the abrasive brick 4 of this embodiment sets up to diamond abrasive brick, the body 2 of this embodiment is the cylinder, the diameter of body 2 is greater than the diameter of butt joint face, cutting tooth I5, cutting tooth II 6 and cutting tooth III 7 of this embodiment all set up to YD alloy cutting tooth.

The application process of the utility model is as follows: according to the utility model, the milling cone base body is driven to rotate through the rotation of the drilling tool, the milling cone head 1 in front of the milling cone base body is utilized to cut the sleeve, then the sleeve is rapidly milled through the cutting teeth I5 on the milling surface 8, the cutting teeth II 6 on the surface of the milling cone head 1, the cutting teeth III 7 on the surface of the body 2 and the diamond grinding block, and finally the diamond composite sheet on the milling surface 8 is drilled into a stratum.

The specific embodiments described herein are offered by way of example only. Those skilled in the art to which the utility model relates may make modifications to the described embodiments or substitutions in a similar manner without departing from the spirit of the utility model or exceeding the scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a milling cone of windowing with integration function of trial drilling, characterized by it mainly includes milling cone base member and cutting assembly, milling cone base member be equipped with milling cone head (1), body (2) and top connection (3) in proper order from front to back, cutting assembly mainly include a plurality of grinding blocks (4) and cutting tooth assembly, cutting tooth assembly include a plurality of cutting teeth I (5), a plurality of cutting teeth II (6) and a plurality of cutting teeth III (7), front end face and the rear end face of milling cone head (1) set up respectively to bore milling face (8) and butt joint face, a plurality of cutting teeth I (5) radial evenly distributed are on boring milling face (8), still distribute super hard garrulous alloy (9) and diamond compact (10) at the rest of boring milling face (8), a plurality of cutting teeth II (6) axial evenly distributed are on milling cone head (1)'s surface, front end and rear end of body (2) be connected with conical head (1) and top connection (3) respectively, body (2) are evenly distributed at a plurality of spiral drilling tool (2) axial front and back surface of body (3) through top connection spiral drilling tool (3) and are located at a plurality of axial face of grinding tool (3).

2. The windowing milling cone with the windowing and trial drilling integrated function according to claim 1, wherein three cutting teeth I (5) and three water holes are distributed on the drilling and milling surface (8), the three cutting teeth I (5) are radially and uniformly distributed on the drilling and milling surface (8), a water hole I (11) is arranged at the middle position between every two cutting teeth I (5), superhard crushed alloy (9) and diamond composite sheets (10) are distributed around the water hole I (11), an inclined included angle is formed between the diamond composite sheets (10) and the drilling and milling surface (8), superhard crushed alloy (9) and diamond composite sheets (10) are distributed in a staggered mode, the height of the diamond composite sheets (10) is lower than that of the superhard crushed alloy (9), six cutting teeth II (6) and three water grooves I (12) are uniformly distributed on the surface of the milling head (1), each water groove I (12) is distributed between the two cutting teeth II (6), each water groove I (12) penetrates through the inner surface of the milling head (11) and is uniformly distributed on the surface of the six cutting teeth II (4) of the milling head body (2), the six cutting teeth II (2) are uniformly distributed on the surface of the milling head (1), and the six cutting teeth II (2) are uniformly distributed on the surface of each milling head (2) and the milling head (2) are uniformly distributed on the surface of the milling head (1), the surface of the body (2) is axially and uniformly provided with three water tanks II (13), the three water tanks II (13) are respectively corresponding to the three water tanks I (12) and the water holes I (11) in sequence, each water tank II (13) penetrates through the body (2) and is communicated with each water tank I (12), each water hole I (11) penetrates through the milling cone head (1) and is communicated with the central water hole II in the center of the milling cone base body, and each water tank II (13) is communicated with the central water hole II in the center of the milling cone base body through each water tank I (12) and each water hole I (11) to form a drilling fluid flow channel.

3. The windowing milling cone with the windowing and trial-drilling integrated function according to claim 1 or 2, wherein the milling cone head (1) is conical, and the diameter of a butt joint surface of the milling cone head (1) is larger than that of a drilling and milling surface (8).

4. The windowing milling cone with the windowing trial drilling integrated function according to claim 1 or 2, wherein the grinding block (4) is a diamond grinding block.

5. The windowing milling cone with the windowing trial drilling integrated function according to claim 1 or 2, wherein the body (2) is a cylinder, and the diameter of the body (2) is larger than that of the butt joint surface.

6. The windowing milling cone with the windowing trial drilling integrated function according to claim 1 or 2, wherein the cutting teeth I (5), the cutting teeth II (6) and the cutting teeth III (7) are all YD alloy cutting teeth.