CN205778559U - A kind of jet bit of four wing insert glomerocryst composite teeth - Google Patents

A kind of jet bit of four wing insert glomerocryst composite teeth Download PDF

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Publication number
CN205778559U
CN205778559U CN201620517839.7U CN201620517839U CN205778559U CN 205778559 U CN205778559 U CN 205778559U CN 201620517839 U CN201620517839 U CN 201620517839U CN 205778559 U CN205778559 U CN 205778559U
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China
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wing
perforation
bit
teeth
insert
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CN201620517839.7U
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Chinese (zh)
Inventor
刘新军
尚明
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SHAANXI DIAMOND PETROLEUM MACHINERY Co Ltd
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SHAANXI DIAMOND PETROLEUM MACHINERY Co Ltd
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Abstract

The utility model discloses the jet bit of a kind of four wing insert glomerocryst composite teeth, including integrated bit matrix (3) and drill bit (1), the first wing (12) it is provided with along clockwise direction on described drill bit (1), second wing (13), 3rd wing (14) and the 4th wing (15), each wing is provided with multiple perforation, wherein the perforation on the first wing (12) and the 3rd wing (14) overlaps on rotational trajectory, perforation on second wing (13) and the 4th wing (15) overlaps on rotational trajectory and equidistantly misplaces on rotational trajectory with the perforation on the first wing (12) or the 3rd wing (14).This technical scheme not only has the advantage that teeth consolidating is stable, and the cloth tooth and cleaning to drill bit optimizes from structure, substantially increases bit performance, reduces drilling cost.

Description

A kind of jet bit of four wing insert glomerocryst composite teeth
Technical field
This utility model relates to field of oil drilling, especially relates to a kind of four wing insert glomerocryst composite teeth Jet bit.
Background technology
In the prior art, the patent No.: 200880016630, title " Mixed drilling bit and the brill thereof of patent Enter method ", it is a kind of matrix-type Mixed drilling bit;The patent No.: 2012105525560, patent name " Plant the Mixed drilling bit of strengthening heart portion cutting function ".The PDC tooth of above two Mixed drilling bit is all on manufacturing Soldering composite teeth teeth consolidating (PDC tooth post) technique, it is the most recessed at carcass or steel body wing circumference for closing tooth post On pitted surface and lower surface, tooth post is closed in soldering.This teeth consolidating mode works easy to fall off in hot environment.And And along with the development of bit technique is also required to constantly optimize its structure.
Summary of the invention
The purpose of this utility model is to provide the jet bit of a kind of four wing insert glomerocryst composite teeth, no Address only prior art and use the unstable problem of soldering teeth consolidating, and to the cloth tooth of drill bit and cleaning System optimizes from structure, substantially increases bit performance, reduces drilling cost.
For reaching above-mentioned purpose, this utility model is achieved by the following technical solutions.
A kind of jet bit of four wing insert glomerocryst composite teeth, including integrated bit matrix and Drill bit, it is characterised in that be provided with along clockwise direction on described drill bit the first wing, second Wing, the 3rd wing and the 4th wing, each wing is provided with multiple perforation, wherein the first wing and Perforation on three wings overlaps on rotational trajectory, and the perforation on the second wing and the 4th wing is at rotation rail Overlap on mark and equidistantly misplace on rotational trajectory with the perforation on the first wing or the 3rd wing;
In perforation on described each wing, interference is provided with cutting tooth, the cutting face of described cutting tooth respectively Upper sintering has polycrystalline diamond layer;
The inside of described bit matrix is provided with water injection hole, and the end of bit matrix is provided with four and described water filling The oblique water hole that hole communicates, each oblique water hole lays respectively between two adjacent wings;In described oblique water hole Nozzle is installed, is provided with nozzle cage between nozzle and tiltedly water hole, is provided with nozzle between nozzle and nozzle cage close Seal.
Further, the perforation on described each wing comprises front-seat perforation and heel row perforation, described front row Perforation equidistantly misplaces on rotational trajectory with heel row perforation.
Further, described front-seat perforation cuts tooth equipped with main cutting tooth, heel row perforation equipped with pair.
Further, the main cutting number of teeth amount in described front-seat perforation is five, and the pair in heel row perforation is cut Cutting number of teeth amount is four.
Further, described nozzle is interior six side's hard alloy nozzles.
Further, described drill bit is axially provided with near bit matrix position by multiple gauge teeth groups, Described gauge teeth group comprises multiple gauge teeth.
Further, in described gauge teeth group, at least the cutting face sintering of a gauge teeth has glomerocryst gold Hard rock layer.
Further, described bit matrix is provided with catching groove.
This utility model is improving bit performance, reduces drilling cost aspect and has significant useful effect Really: drilled and reamed on (1) this utility model each wing face perforation, cutting tooth is by riveting craft of consolidating teeth of colding pressing Being pressed into perforation, with perforation interference fit, this interference fit is more firm compared with soldering teeth consolidating;(2) Perforation on each wing of technical solutions of the utility model comprises front-seat perforation and heel row perforation, front toothrow Hole equidistantly misplaces on rotational trajectory with heel row perforation, and perforation row corresponding on the adjacent wing of each two Also being mutual dislocation on rotational trajectory, this structure can preferably make the rock of drilling well obtain comprehensively Efficiency crushing;(3) the technical solution of the utility model is for bit gauge protection, in the gauge teeth group of employing extremely The cutting face sintering of a rare gauge teeth has polycrystalline diamond layer, has antiwear effect, has very Good gauge effect;(4) the oblique water hole being provided with between each two adjacent blades, can be more comprehensive Clean drill bit and carrying to return on the landwaste of shaft bottom.
Accompanying drawing explanation
With specific embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structure master of the jet bit of a kind of four wing insert glomerocryst composite teeth of the present utility model View;
Fig. 2 is Fig. 1 top view.
In figure: 1, drill bit;2, catching groove;3, bit matrix;4, water injection hole;5, oblique water hole; 6, gauge teeth;7, sealed nozzle circle;8, nozzle;9, nozzle cage;10, main cutting tooth;11, secondary Cutting tooth;12, the first wing;13, the second wing;14, the 3rd wing;15, the 4th wing.
Detailed description of the invention
With reference to Fig. 1, the master of the jet bit of a kind of four wing insert glomerocryst composite teeth of the present utility model regards Figure.Figure is provided with four wings on drill bit 1 clockwise, the front row that drilled and reamed on each wing Perforation and heel row perforation, described front-seat perforation equidistantly misplaces on rotational trajectory with heel row perforation, front toothrow Hole is provided with five main cutting teeth 10 by freezing off tooth extruding interference, and heel row perforation extruded by freezing off tooth Being full of and be provided with five secondary cutting teeth 11, this interference fit is more firm compared with soldering teeth consolidating, this All having sintered polycrystalline diamond layer on the cutting face of two kinds of cutting teeth, wearability is the best.
Top view in conjunction with Fig. 2, Fig. 1.In figure, the perforation on the first wing 12 and the 3rd wing 14 is in rotation Transition mark on overlap, the perforation on the second wing 13 and the 4th wing 15 overlap on rotational trajectory and with Perforation on first wing 12 or the 3rd wing 14 equidistantly misplaces on rotational trajectory.This four wings On the cloth tooth that staggers institute's well-drilling bottom rock can be made to obtain comprehensive efficiency crushing, be greatly improved bit performance, Reduce drilling cost.
In Fig. 1, the axle portion of bit matrix 3 is provided with for spacing catching groove 2, and the inside of bit matrix 3 is provided with Water injection hole 4, the end of bit matrix 3 is provided with four oblique water holes 5 communicated with described water injection hole 4, each Tiltedly water hole 5 lays respectively between two adjacent wings;Nozzle 8 is tiltedly installed in water hole 5, nozzle 8 with Tiltedly it is provided with nozzle cage 9 between water hole 5, between nozzle 8 and nozzle cage 9, is provided with sealed nozzle circle 7.From spray The slurry jet bottom-hole cleaning landwaste of mouth 8 ejection and two kinds of cutting teeth, improve the working index of drill bit, Reduce drilling cost.
In view of the requirement of bit gauge protection, axially it is provided with by many near bit matrix position at drill bit The gauge teeth group that individual gauge teeth 6 is constituted, in gauge teeth group, at least the cutting face of a gauge teeth 6 sinters There is polycrystalline diamond layer.This gauge teeth group structure has antiwear effect, and its gauge effect is the most more Good.
This utility model is improving bit performance, reduces drilling cost aspect and has significant useful effect Really: drilled and reamed on (1) this utility model each wing face perforation, cutting tooth is by riveting craft of consolidating teeth of colding pressing Being pressed into perforation, with perforation interference fit, this interference fit is more firm compared with soldering teeth consolidating;(2) Perforation on each wing of technical solutions of the utility model comprises front-seat perforation and heel row perforation, front toothrow Hole equidistantly misplaces on rotational trajectory with heel row perforation, and perforation row corresponding on the adjacent wing of each two Also being mutual dislocation on rotational trajectory, this structure can preferably make the rock of drilling well obtain comprehensively Efficiency crushing;(3) the technical solution of the utility model is for bit gauge protection, in the gauge teeth group of employing extremely The cutting face sintering of a rare gauge teeth has polycrystalline diamond layer, has antiwear effect, has very Good gauge effect;(4) the oblique water hole being provided with between each two adjacent blades, can be more comprehensive Clean drill bit and carrying to return on the landwaste of shaft bottom.
Obviously, those skilled in the art can carry out various change and deformation to this utility model and not take off From spirit and scope of the present utility model.So, if of the present utility model these change and deformation belongs to Within the scope of this utility model claim and equivalent technologies thereof, then this utility model also comprises these changes With including modification.

Claims (8)

1. a jet bit for four wing insert glomerocryst composite teeth, including integrated bit matrix (3) and drill bit (1), it is characterised in that described drill bit sets on (1) along clockwise direction There are the first wing (12), the second wing (13), the 3rd wing (14) and the 4th wing (15), each Wing is provided with multiple perforation, and wherein the perforation on the first wing (12) and the 3rd wing (14) is in rotation Overlapping on transition mark, the perforation on the second wing (13) and the 4th wing (15) is weight on rotational trajectory Close and equidistantly misplace on rotational trajectory with the perforation on the first wing (12) or the 3rd wing (14);
In perforation on described each wing, interference is provided with cutting tooth, the cutting face of described cutting tooth respectively Upper sintering has polycrystalline diamond layer;
The inside of described bit matrix (3) is provided with water injection hole (4), and the end of bit matrix (3) is provided with Four oblique water holes (5) communicated with described water injection hole (4), each oblique water hole (5) lays respectively at two Between adjacent wing;Nozzle (8), nozzle (8) and oblique water hole are installed in described oblique water hole (5) (5) it is provided with nozzle cage (9) between, between nozzle (8) and nozzle cage (9), is provided with sealed nozzle circle (7).
The jet bit of four wing insert glomerocryst composite teeth the most according to claim 1, its feature Being, the perforation on described each wing comprises front-seat perforation and heel row perforation, described front-seat perforation with after Toothrow hole equidistantly misplaces on rotational trajectory.
The jet bit of four wing insert glomerocryst composite teeth the most according to claim 2, its feature Being, described front-seat perforation cuts tooth (11) equipped with main cutting tooth (10), heel row perforation equipped with pair.
The jet bit of four wing insert glomerocryst composite teeth the most according to claim 3, its feature Being, main cutting tooth (10) quantity in described front-seat perforation is five, the secondary cutting in heel row perforation Tooth (11) quantity is four.
The jet bit of four wing insert glomerocryst composite teeth the most according to claim 1, its feature Being, described nozzle (8) is interior six side's hard alloy nozzles.
The jet bit of four wing insert glomerocryst composite teeth the most according to claim 1, its feature Being, described drill bit (1) is axially provided with by multiple gauge teeths near bit matrix (3) position Group, described gauge teeth group comprises multiple gauge teeth (6).
The jet bit of four wing insert glomerocryst composite teeth the most according to claim 6, its feature Being, in described gauge teeth group, at least the cutting face sintering of a gauge teeth (6) has polycrystalline diamond Layer.
The jet bit of four wing insert glomerocryst composite teeth the most according to claim 1, its feature Being, described bit matrix (3) is provided with catching groove (2).
CN201620517839.7U 2016-05-31 2016-05-31 A kind of jet bit of four wing insert glomerocryst composite teeth Active CN205778559U (en)

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CN201620517839.7U CN205778559U (en) 2016-05-31 2016-05-31 A kind of jet bit of four wing insert glomerocryst composite teeth

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105863516A (en) * 2016-05-31 2016-08-17 陕西金刚石油机械有限公司 Spraying type drill bit of four-cutter-blade embedded polycrystalline compound tooth

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105863516A (en) * 2016-05-31 2016-08-17 陕西金刚石油机械有限公司 Spraying type drill bit of four-cutter-blade embedded polycrystalline compound tooth

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