CN107642333A - Slanting-proof quick-drilling utensil - Google Patents

Slanting-proof quick-drilling utensil Download PDF

Info

Publication number
CN107642333A
CN107642333A CN201710930428.XA CN201710930428A CN107642333A CN 107642333 A CN107642333 A CN 107642333A CN 201710930428 A CN201710930428 A CN 201710930428A CN 107642333 A CN107642333 A CN 107642333A
Authority
CN
China
Prior art keywords
slanting
drilling
short circuit
nozzle
block stamp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710930428.XA
Other languages
Chinese (zh)
Inventor
邹灵战
李洪
焦志栓
卓鲁斌
刘力
毕文欣
周翠萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Petroleum Corp
CNPC Engineering Technology R&D Co Ltd
Original Assignee
China National Petroleum Corp
CNPC Drilling Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China National Petroleum Corp, CNPC Drilling Research Institute Co Ltd filed Critical China National Petroleum Corp
Priority to CN201710930428.XA priority Critical patent/CN107642333A/en
Publication of CN107642333A publication Critical patent/CN107642333A/en
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)

Abstract

The invention discloses a kind of slanting-proof quick-drilling utensil, and it includes:The anti-oblique short circuit that is sequentially connected from top to bottom, regulation short circuit, beater mechanism and drill bit, wherein, the anti-oblique short circuit has a first axle, and the regulation short circuit has a second axis, and the first axle is not conllinear with the second axis;The beater mechanism has been internally formed fluid passage, and the beater mechanism includes:Hollow impact chamber, the top of the impact chamber are provided with nozzle, the inside of the impact chamber and are provided with control valve below the nozzle, can periodic reverse movably block stamp when pressure alternately changes in the beater mechanism.Slanting-proof quick-drilling utensil provided by the invention, can realize anti-oblique in the bad ground containing gravel etc., while improve drill bit efficiency of breaking rock, extend drilling life of bit, and improve bit speed.

Description

Slanting-proof quick-drilling utensil
Technical field
The present invention relates to oil exploration drilling technical field, more particularly to a kind of slanting-proof quick-drilling utensil.
Background technology
Straight well drilling well is anti-oblique, is one of live problem through being commonly encountered.In drilling straight-hole, if hole deviation is excessive, well can be made Eye deviates subterranean designation target, upsets the layout of oil-gas field development.For example, for investigation and prospecting, hole deviation is big, can make well It is deep that error occurs, make the geologic information of gained untrue, even deviate from exploration targets.When hole deviation is excessive, i.e., after well is beaten tiltedly, also can It is more difficult to drilling engineering itself, or even cause serious underground failure.Therefore, need to utilize anti-oblique technology during drilling well, prevent Only hole deviation is excessive.
Anti-oblique technology from last century the fifties so far, by the development of decades, from early stage drill finish very, tower combination, Pendulum, the drilling tool structure such as it meet the eye on every side, to having developed into the special anti-deflection drilling tool group such as flexibility, off-axis on the basis of above-mentioned drilling tool structure Close.Further, with the development of directional technology, it is applied to anti-oblique well straightening with screw rod and with the navigational drilling techniques based on brill. But these above-mentioned technology common problems are:The pressure of the drill applied to drill bit is sacrificed, i.e., reaches anti-to apply small the pressure of the drill Oblique effect.After the pressure of the drill is small, corresponding bit speed also can accordingly reduce, therefore often and to sacrifice bit speed as generation Valency.
However, for the stratum containing gravel, its anisotropism is very strong, and during drilling well, it is serious that drill bit collapses tooth.In order to successfully right Gravel stratum is crept into, it is necessary to supporting suitable speed-raising instrument improves rate of penetration, to slow down destruction of the gravel to drill bit, and Improve the broken rock energy of drill bit.At this moment there have been contradiction, i.e., in order to anti-oblique, it is necessary to reduce the pressure of the drill, drilling speed, and in order to realize gravel The drilling on stone stratum needs to improve the pressure of the drill, drilling speed again.
At present, it is still a long and unsolved drilling technology problem for the drilling well containing bad grounds such as gravels, needs Anti-oblique technology, efficiently the Integration ofTechnologies such as tool technique, drill bit optimization that raise speed could obtain preferable effect, skill with setting up Art requires that height, difficulty are big.
The content of the invention
It is an object of the invention to provide a kind of slanting-proof quick-drilling utensil, can be realized in the bad ground containing gravel etc. anti- Tiltedly, while drill bit efficiency of breaking rock is improved, extends drilling life of bit, and improve bit speed.
The above-mentioned purpose of the present invention can be realized using following technical proposal:
A kind of slanting-proof quick-drilling utensil, including:The anti-oblique short circuit that is sequentially connected from top to bottom, regulation short circuit, beater mechanism and Drill bit, wherein,
The anti-oblique short circuit has a first axle, and the regulation short circuit has a second axis, the first axle with it is described Second axis is not conllinear;
The beater mechanism has been internally formed fluid passage, and the beater mechanism includes:Hollow impact chamber, the punching The top for hitting chamber is provided with nozzle, the inside of the impact chamber and is provided with control valve below the nozzle, described Can periodic reverse movably block stamp when pressure alternately changes in beater mechanism;
When drilling fluid enters the impact intracavitary by the nozzle, the upper cavity pressure at the nozzle reduces, The block stamp moves up, and is contacted with the control valve, so as to close the fluid passage, the pressure liter at the epicoele Height, the block stamp is promoted to impact the drill bit downwards.
In one preferred embodiment, the first axle is parallel with the second axis, the first axle The distance between second axis size is directlyed proportional to the size of stratigraphic dip.
In one preferred embodiment, the distance between the first axle and the second axis are at 3 millimeters to 7 Between millimeter.
In one preferred embodiment, the drill bit is in integrally revolving body, and it has a maximum gauge position, it is described most Major diameter position is shoulder region, and the tooth of the drill bit is located at the shoulder region.
In one preferred embodiment, the tooth is in tapered.
In one preferred embodiment, the nozzle is in integrally hollow revolving body, and its top is provided with connecting portion For being connected with the regulation short circuit, the variable cross-section hole that sectional area tapers into, the epicoele position are provided with the inside of its underpart In the downstream of the nozzle.
In one preferred embodiment, the block stamp is in integrally hollow revolving body, its have relative upper end and Lower end, the inner side and outer side of the block stamp upper end are provided with sealing ring.
In one preferred embodiment, in the side wall of the lower end of the block stamp formed with by-pass prot, under the block stamp Coordinate between the outer wall and impact chamber in portion for gap.
In one preferred embodiment, the control valve includes:It is fixed between the nozzle and the impact chamber Valve pocket, and the valve body being located in the valve pocket;Wherein,
The valve pocket is hollow revolving body, and its middle part is provided with the first perforate for wearing the valve body, its circumference It is provided with multiple the second perforates for the drilling fluid that circulates;
The generally hollow revolving body of the valve body, be provided with its side wall can with connected in the middle part of the block stamp so as to Connect the 3rd perforate of the fluid passage.
In one preferred embodiment, the beater mechanism also includes connector, and the connector is integrally in hollow Revolving body, the upper end of the connector is located in the bottom of the impact chamber, and the lower end of the connector is used to connect drill bit, The hollow space of the connector forms cavity of resorption.
The features and advantages of the invention are:The slanting-proof quick-drilling utensil that the application provides, when being rotated at a high speed in underground, by anti- Oblique short circuit produces a centrifugal force, and this power is acted on the borehole wall, forms the active force of confrontation formation natural deflecting, playing prevents The effect of hole deviation.Apply the impact forces of a fixed frequency to drill bit by the block stamp of beater mechanism, and joint pulse is penetrated Stream acts on, and improves drill bit efficiency of breaking rock.The conical tooth of strong shock resistance is further placed in the tire that drill bit easily crumbles Shoulders, improve the anti-ability that crumbles when meeting gravel of boring.On the whole, the slanting-proof quick-drilling utensil can be realized in bad ground containing gravel It is anti-oblique, while drill bit efficiency of breaking rock is improved, extend drilling life of bit, and improve bit speed.
With reference to following explanation and accompanying drawing, the particular implementation of the application is disclose in detail, specifies the original of the application Reason can be in a manner of adopted.It should be understood that presently filed embodiment is not so limited in scope.In appended power In the range of the spirit and terms that profit requires, presently filed embodiment includes many changes, modifications and is equal.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more Used in individual other embodiment, it is combined with the feature in other embodiment, or substitute the feature in other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when being used herein, but simultaneously It is not excluded for the presence or additional of one or more further features, one integral piece, step or component.
Brief description of the drawings
Fig. 1 is a kind of structural representation of slanting-proof quick-drilling utensil in the application embodiment;
Fig. 2 is the structural representation of anti-oblique short circuit and regulation short circuit in a kind of slanting-proof quick-drilling utensil in the application embodiment Figure;
Fig. 3 is the structural representation of beater mechanism and drill bit in a kind of slanting-proof quick-drilling utensil in the application embodiment;
Fig. 4 is that drill bit rotates the contour line and drill teeth to be formed in a kind of slanting-proof quick-drilling utensil in the application embodiment The stacking chart of the line for the amount of force that withstands shocks.
Description of reference numerals:
Anti-oblique short circuit 1;Adjust short circuit 2;Beater mechanism 30;Nozzle 3;Control valve 4;Block stamp 5;Epicoele 6;Cavity of resorption 7;Impact chamber 80;Sealing ring 53;By-pass prot 50;Valve pocket 41;Valve body 42;Second perforate 410;3rd perforate 420;Connector 70;First axle 9;Second axis 10;Drill bit 8;Tooth 11;Shoulder region 12.
Embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme is elaborated, it should be understood that these Embodiment is only illustrative of the invention and is not intended to limit the scope of the invention, after the present invention has been read, this area skill Modification of the art personnel to the various equivalent form of values of the present invention is each fallen within the application appended claims limited range.
It should be noted that when element is referred to as " being arranged at " another element, it can be directly on another element Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " on ", " under ", "left", "right" and similar statement for illustrative purposes only, it is unique embodiment to be not offered as.
Unless otherwise defined, all of technologies and scientific terms used here by the article and the technical field of the application is belonged to The implication that technical staff is generally understood that is identical.The term used in the description of the present application is intended merely to description tool herein The purpose of the embodiment of body, it is not intended that in limitation the application.Term as used herein "and/or" includes one or more The arbitrary and all combination of related Listed Items.
The present invention provides a kind of slanting-proof quick-drilling utensil, can be realized in the bad ground containing gravel etc. anti-oblique, carries simultaneously High drill bit efficiency of breaking rock, extend drilling life of bit, and improve bit speed.
Fig. 1 to Fig. 3 is referred to, a kind of slanting-proof quick-drilling utensil provided in the application embodiment can include:From upper and Under the anti-oblique short circuit 1, regulation short circuit 2, beater mechanism 30 and the drill bit 8 that are sequentially connected, wherein, the anti-oblique short circuit 1 has first Axis 9, the regulation short circuit 2 have second axis 10, and the first axle 9 and the second axis 10 be not conllinear;The punching Hit mechanism 30 and be internally formed fluid passage, the beater mechanism 30 includes:Hollow impact chamber 80, the impact chamber 80 Top is provided with nozzle 3, the inside of the impact chamber 80 and the lower section of the nozzle 3 is provided with control valve 4, in the punching Hitting in mechanism 30 when pressure alternately changes can periodic reverse movably block stamp 5;
When drilling fluid is entered in the impact chamber 80 by the nozzle 3, the pressure of epicoele 6 at the nozzle 3 Reduce, the block stamp 5 moves up, contacted with the control valve 4, so as to close the fluid passage, at the epicoele 6 Pressure rise, the block stamp 5 is promoted to impact the drill bit 8 downwards.
The slanting-proof quick-drilling utensil mainly axis by anti-oblique short circuit 1 and regulation provided in presently filed embodiment Short circuit 2 and deviated with the axis of lower part, so as to realize anti-oblique function.
In the present embodiment, it be in hollow revolution build that the anti-oblique short circuit 1 is overall, and the anti-oblique short circuit 1 is with the One axis 9.The middle part of anti-oblique short circuit 1 is provided with through hole, and it is provided with connecting portion close to the position of upper end, is used for and is located at The drilling tool tubing string on its top is connected, and it is provided with connecting portion close to the position of lower end, for being connected with the regulation short circuit 2 Connect.Specifically, the form of the connecting portion can be the form of screw thread.
In the present embodiment, it be in hollow revolution build that the regulation short circuit 2 is overall, and the regulation short circuit 2 is with the Two axis 10.Regulation short circuit 2 middle part is provided with through hole, and it is provided with connecting portion close to the position of upper end, is used for and institute State anti-oblique short circuit 1 to be connected, it is provided with connecting portion close to the position of lower end, for the impact chamber 80 with bottom is connected.Tool Body, the form of the connecting portion can be the form of screw thread.That is, the anti-oblique short circuit 1 and regulation short circuit 2 can lead to The mode for crossing threaded connection is connected.
In the present embodiment, the first axle 9 and the second axis 10 be not conllinear;Both exist one it is predetermined Offset distance.When slanting-proof quick-drilling utensil rotates at a high speed in underground, anti-oblique short circuit 1 produces a centrifugal force, and this power acts on On the borehole wall, the active force of confrontation formation natural deflecting is formed, it is achieved thereby that the anti-oblique function of slanting-proof quick-drilling utensil.
In one embodiment, the first axle 9 is parallel with the second axis 10, the first axle 9 with The distance between the second axis 10 size is directly proportional to the size of stratigraphic dip.On the whole, it is provided herein anti-oblique Beating the offset distance of the relatively anti-oblique axis of short circuit 1 of regulation short circuit 2 of fast instrument can be adjusted according to stratigraphic dip, in general, When higher formation clination, show to be easier during now drilling well to beat it is oblique, now the offset distance of two axis can with relatively large, with Produce stronger anti-oblique effect;When stratigraphic dip is small, shows to be relatively free of during now drilling well and so easily beat tiltedly, now two The offset distance of axis can be with relatively small.Specifically, the scope of offset distance is typically at 3 millimeters~7 millimeters.Certainly, it is necessary to During stronger anti-oblique action effect, increase this offset distance, such as 7 millimeters can be more than, specifically, the application is herein not Make specific limit.
In the present embodiment, the beater mechanism 30 includes:Hollow impact chamber 80, it is arranged on the impact chamber 80 The nozzle 3 in portion, control valve 4 positioned at the lower section of the nozzle 3, can periodic reverse movably block stamp 5 in the impact chamber 80.
Wherein, the generally hollow housing of the impact chamber 80, its be arranged on the regulation short circuit 2 and the drill bit 8 it Between, for accommodating the control valve 4 and block stamp 5.
It is in hollow revolving body that the nozzle 3 is overall, its top be provided with connecting portion be used for and the short circuit 2 that adjusts connect Connect, the variable cross-section hole that sectional area tapers into is provided with the inside of its underpart.When drilling fluid flows through the variable cross-section hole, flow velocity meeting Increase, and the pressure in the downstream of nozzle 3 can be reduced.The epicoele 6 is located at the downstream of the nozzle 3.Substantially, the epicoele 6 be one section of cavity below nozzle 3, and the epicoele 6 is can be by the area of pressure variations influence when flowing through drilling fluid at nozzle 3 Domain.For example, it can include the local cavity of the block stamp 5 of the local valve body 42 and control valve of control valve 4 below 4.
The control valve 4 is arranged on the lower section of the nozzle 3, for being engaged with the block stamp 5 to open or close State fluid passage.The control valve 4 can be the form of needle-valve, and the concrete form of certain control valve 4 is not limited to Citing is stated, the application does not make specific limit herein.Specifically, the control valve 4 can include:It is fixed on the nozzle 3 With the valve pocket 41 between the impact chamber 80, and the valve body 42 being located in the valve pocket 41.Wherein, during the valve pocket 41 is Empty revolving body, its middle part are provided with the first larger perforate of aperture, and first perforate is used to wear the valve body 42;Its circumference Less second perforate 410 in multiple apertures is provided with, second perforate 410 is used for the drilling fluid that circulates.The valve body 42 is generally Hollow revolving body, the 3rd perforate 420 is provided with its side wall, can be connected with the middle part of the block stamp 5 described so as to connect Fluid passage.Second perforate 410 can be located on the 3rd perforate 420.
In the present embodiment, it is in hollow revolving body that the block stamp 5 is overall, and hollow space is that through hole is used for the brill that circulates Well liquid.The block stamp 5 has relative top and bottom, and the inner side and outer side of the upper end of block stamp 5 is provided with sealing ring 53;Institute State the fit clearance outflow that sealing ring 53 is used for and the cooperation of the control valve 4 prevents drilling fluid between block stamp 5 and control valve 4.
Formed with by-pass prot 50 in the side wall of the lower end of the block stamp 5, the outer wall and impact chamber 80 of the bottom of block stamp 5 it Between for gap coordinate.Specifically, formed necessarily between the bearing of trend of the by-pass prot 50 and the bearing of trend of the block stamp 5 Angle, when the block stamp 5 needs to move up, drilling fluid can enter the block stamp 5 and impact by the by-pass prot 50 In gap between chamber 80, the upward active force of the block stamp 5 is applied to.
In one embodiment, the beater mechanism 30 can also include connector 70, and the connector 70 is used to make The hammering block impacted for block stamp 5.The overall connector 70 is in hollow revolving body, and the hollow space of the connector 70 is formed down Chamber 7;The upper end of the connector 70 is located in the bottom of the impact chamber 80, and the lower end of the connector 70 is used to connect drill bit 8.The lower surface of the block stamp 5 can contact with the upper surface of the connector 70, so as to be applied to the connector 70 1 to Under impulsive force.By the connector 70, the impulsive force can be passed to the drill bit 8 of bottom.
On the whole, the beater mechanism 30 of the slanting-proof quick-drilling utensil is used for the impact forces for providing broken rock needs.Specifically Operation principle it is as follows:During beginning, control valve 4 is initially all located at the lower limit of impulse stroke with block stamp 5, and drilling fluid passes through nozzle 3 When produce jet, cause the reduction of the internal pressure of epicoele 6, the pressure of cavity of resorption 7 do not change.Now, epicoele 6, cavity of resorption 7 form a pressure Poor Δ P1, promote block stamp 5 up.When the block stamp 5 and the Contact of control valve 4 close fluid passage, the instantaneous pressure liter of epicoele 6 Height, more than the pressure of cavity of resorption 7, form second pressure differential deltap P2, so as to promote block stamp 5 to impact downwards, downward impulsive force transmission Onto drill bit 8, so as to improve the energy of broken rock needs.So far, a working cycles terminate.On the whole, block stamp 5 impacts connector Control valve 4 fully opens when 70, and fluid passage is unimpeded, and subsequent cycle starts, and goes round and begins again and ceaselessly impacts, defeated to drill bit 8 Go out impact forces and the pulsing jet effect of fixed frequency, so as to improve broken rock speed.
In one embodiment, the drill bit 8 is to bore the specially designed PDC of easy deviation strata for stratum containing gravel etc. is difficult Drill bit.It is in revolving body that the drill bit 8 is overall, and it has a maximum gauge position, and the maximum gauge position is shoulder region 12, institute The tooth 11 for stating drill bit 8 is located at the shoulder region 12.Further, the tooth 11 is in tapered.Specifically, tooth 11 is Relative to conventional circular PDC toothings, the ability that taper tooth 11 resists impact failure is stronger for taper.Please refer to Fig. 4, tire Shoulders 12 are the positions of the distance from bottom central shaft maximum radius of drill bit 8, and the linear velocity that drill bit 8 rotates at this is maximum, tooth 11 Withstand shocks active force maximum, and tooth 11 is most susceptible to the percussion of gravel and crumbled.Handle during 8 structure design of PDC drill bit Conical tooth is placed in the shoulder region 12 easily to crumble, resists the ability that crumbles when boring so as to improve and meet gravel.
The slanting-proof quick-drilling utensil provided in the application embodiment, when being rotated at a high speed in underground, produced by anti-oblique short circuit 1 One centrifugal force, this power are acted on the borehole wall, form the active force of confrontation formation natural deflecting, play the effect of inclining prevention Fruit.Apply the impact forces of a fixed frequency to drill bit 8 by the block stamp 5 of beater mechanism 30, and combine pulsing jet work With the raising efficiency of breaking rock of drill bit 8.The conical tooth of strong shock resistance is further placed in the tire shoulder that drill bit 8 easily crumbles Position 12, improve the anti-ability that crumbles when meeting gravel of boring.On the whole, the slanting-proof quick-drilling utensil can be realized containing the difficult brill ground such as gravel Layer is anti-oblique, while improves drill bit efficiency of breaking rock, extends drilling life of bit, and improve bit speed.
Herein cited any digital value all include between lower limit to higher limit with the lower value of an incremented and The all values of upper value, the interval of at least two units between any lower value and any much higher value be present.For example, such as Fruit elaborates that the quantity of part or the value of process variable (such as temperature, pressure, time etc.) are from 1 to 90, preferably from 20 To 80, more preferably from 30 to 70, then purpose is to illustrate that such as 15 to 85,22 are also clearly listed in the specification arrives 68th, 43 to 51,30 to 32 is equivalent.For the value less than 1, it is 0.0001,0.001,0.01,0.1 suitably to think a unit. These are only intended to the example clearly expressed, it is believed that the numerical value enumerated between minimum and peak is possible to Combination is all expressly set forth in the specification in a similar manner.
Unless otherwise indicated, all scopes all include all numerals between end points and end points.It is used together with scope " about " or " approximation " be suitable for two end points of the scope.Thus, " about 20 to 30 " are intended to covering " about 20 to about 30 ", including at least the end points indicated.
All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot Together in this.Describe the term " substantially by ... forms " of combination should include determined by element, composition, part or step and reality Other elements, composition, part or the step of the basic novel feature of the combination are not influenceed in matter.Using term "comprising" or " comprising " describes the combination of element here, composition, part or step it is also contemplated that substantially by these elements, composition, part Or the embodiment that step is formed.Here by using term " can with ", it is intended to which illustrate that " can with " include is described any Attribute is all optional.
Multiple element, composition, part or step can be provided by single integrated component, composition, part or step.It is alternative Ground, single integrated component, composition, part or step can be divided into multiple element, composition, part or the step of separation.It is used for The open "a" or "an" for describing element, composition, part or step is not said to exclude other elements, composition, part Or step.
Above-mentioned each embodiment in this specification is described by the way of progressive, identical between each embodiment Similar portion is cross-referenced, and what each embodiment stressed is and other embodiment difference.
The foregoing is only several embodiments of the invention, although disclosed herein embodiment as above, institute Content is stated only to facilitate the embodiment for understanding the present invention and using, is not intended to limit the present invention.Any institute of the present invention Belong to those skilled in the art, do not depart from disclosed herein spirit and scope on the premise of, can be in embodiment Formal and details on make any modification and change, but the scope of patent protection of the present invention still must be with appended claims The scope that book is defined is defined.

Claims (10)

  1. A kind of 1. slanting-proof quick-drilling utensil, it is characterised in that including:The anti-oblique short circuit that is sequentially connected from top to bottom, regulation short circuit, punching Mechanism and drill bit are hit, wherein,
    The anti-oblique short circuit has first axle, and the regulation short circuit has second axis, the first axle and described second Axis is not conllinear;
    The beater mechanism has been internally formed fluid passage, and the beater mechanism includes:Hollow impact chamber, the impact chamber Top be provided with nozzle, the inside of the impact chamber and control valve is provided with below the nozzle, in the impact Can periodic reverse movably block stamp when pressure alternately changes in mechanism;
    When drilling fluid enters the impact intracavitary by the nozzle, the upper cavity pressure at the nozzle reduces, described Block stamp moves up, and is contacted with the control valve, so as to close the fluid passage, the pressure rise at the epicoele, pushes away Move the block stamp and impact the drill bit downwards.
  2. 2. slanting-proof quick-drilling utensil as claimed in claim 1, it is characterised in that the first axle is equal with the second axis OK, the first axle is directlyed proportional to the distance between second axis size to the size of stratigraphic dip.
  3. 3. slanting-proof quick-drilling utensil as claimed in claim 2, it is characterised in that between the first axle and the second axis Distance between 3 millimeters to 7 millimeters.
  4. 4. slanting-proof quick-drilling utensil as claimed in claim 1, it is characterised in that the drill bit is in integrally revolving body, and it has most Major diameter position, the maximum gauge position are shoulder region, and the tooth of the drill bit is located at the shoulder region.
  5. 5. slanting-proof quick-drilling utensil as claimed in claim 4, it is characterised in that the tooth is in tapered.
  6. 6. slanting-proof quick-drilling utensil as claimed in claim 1, it is characterised in that the nozzle is in integrally hollow revolving body, its Top is provided with connecting portion and is used to connect with the regulation short circuit, and the change that sectional area tapers into is provided with the inside of its underpart and is cut Face, the epicoele are located at the downstream of the nozzle.
  7. 7. slanting-proof quick-drilling utensil as claimed in claim 1, it is characterised in that the block stamp is in integrally hollow revolving body, its With relative top and bottom, the inner side and outer side of the block stamp upper end is provided with sealing ring.
  8. 8. slanting-proof quick-drilling utensil as claimed in claim 7, it is characterised in that formed with side in the side wall of the lower end of the block stamp Through hole, coordinate between the outer wall and impact chamber of the block stamp bottom for gap.
  9. 9. slanting-proof quick-drilling utensil as claimed in claim 1, it is characterised in that the control valve includes:It is fixed on the nozzle With the valve pocket between the impact chamber, and the valve body being located in the valve pocket;Wherein,
    The valve pocket is hollow revolving body, and its middle part is provided with the first perforate for wearing the valve body, and its is circumferentially disposed There are multiple the second perforates for the drilling fluid that circulates;
    The generally hollow revolving body of the valve body, be provided with its side wall can be with connecting so as to connect in the middle part of the block stamp 3rd perforate of the fluid passage.
  10. 10. slanting-proof quick-drilling utensil as claimed in claim 1, it is characterised in that the beater mechanism also includes connector, described Connector is in integrally hollow revolving body, and the upper end of the connector is located in the bottom of the impact chamber, the connector Lower end is used to connect drill bit, and the hollow space of the connector forms cavity of resorption.
CN201710930428.XA 2017-10-09 2017-10-09 Slanting-proof quick-drilling utensil Pending CN107642333A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710930428.XA CN107642333A (en) 2017-10-09 2017-10-09 Slanting-proof quick-drilling utensil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710930428.XA CN107642333A (en) 2017-10-09 2017-10-09 Slanting-proof quick-drilling utensil

Publications (1)

Publication Number Publication Date
CN107642333A true CN107642333A (en) 2018-01-30

Family

ID=61122804

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710930428.XA Pending CN107642333A (en) 2017-10-09 2017-10-09 Slanting-proof quick-drilling utensil

Country Status (1)

Country Link
CN (1) CN107642333A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1219638A (en) * 1997-12-12 1999-06-16 石油勘探开发科学研究院钻井工艺研究所 Lower drilling rig combination and its drilling method
CN101260783A (en) * 2008-02-29 2008-09-10 上海大学 Prebending kinetics deviation control and fast drilling method
CN101713279A (en) * 2009-11-04 2010-05-26 中国石油大学(北京) Deviation prevention and fast drilling technology of eccentric drilling tool assembly
CN202360044U (en) * 2011-11-07 2012-08-01 中国石油化工股份有限公司 Anti-deflection shaft joint for well drilling
CN103742074A (en) * 2013-12-25 2014-04-23 中国石油大学(华东) Deviation-preventing and fast-drilling drilling assembly
CN207315232U (en) * 2017-10-09 2018-05-04 中国石油天然气集团公司 Slanting-proof quick-drilling utensil

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1219638A (en) * 1997-12-12 1999-06-16 石油勘探开发科学研究院钻井工艺研究所 Lower drilling rig combination and its drilling method
CN101260783A (en) * 2008-02-29 2008-09-10 上海大学 Prebending kinetics deviation control and fast drilling method
CN101713279A (en) * 2009-11-04 2010-05-26 中国石油大学(北京) Deviation prevention and fast drilling technology of eccentric drilling tool assembly
CN202360044U (en) * 2011-11-07 2012-08-01 中国石油化工股份有限公司 Anti-deflection shaft joint for well drilling
CN103742074A (en) * 2013-12-25 2014-04-23 中国石油大学(华东) Deviation-preventing and fast-drilling drilling assembly
CN207315232U (en) * 2017-10-09 2018-05-04 中国石油天然气集团公司 Slanting-proof quick-drilling utensil

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"液力冲击工具在新疆玛湖地区提速应用", 《西部探矿工程》, pages 1 - 2 *
邹灵战等: "玛湖含砾难钻地层防斜打快技术研究及试验", 《新疆石油天然气》, pages 1 - 3 *

Similar Documents

Publication Publication Date Title
CN104832083B (en) Helicoid hydraulic motor and its rock-breaking and well-drilling method
EP3655616B1 (en) Downhold oscillation apparatus
US7533737B2 (en) Jet arrangement for a downhole drill bit
CN102777122B (en) Impact screw drilling tool
CN105178846B (en) Damping rock crushing tool
CN105201402B (en) Torsional pulse drilling rig
CN106223832B (en) composite impact drilling tool
CN105909177B (en) Shake and turn round composite impact speed-raising drill bit
CN202745686U (en) Impact screw drilling tool
CN102199992A (en) A spinning-reaming composite drill
CN105888554B (en) Surge and push away multiple shock oscillator
CN106574484A (en) Real-time variable depth of cut control for a downhole drilling tool
US9334692B2 (en) Drilling apparatus and method
CN102966305A (en) Near-bit circumferential resonance impacter
US8327951B2 (en) Drill bit having functional articulation to drill boreholes in earth formations in all directions
CN102733756A (en) Vibration and pressure well drilling tool
CN102232138B (en) Anti-whirl drill bits, wellsite systems, and methods of using the same
CN105317377A (en) Center differential pressure type drill bit
CN106593293A (en) High-speed axial percussion drilling method and device
WO2019161158A1 (en) Downhole vibratory tool with fluid driven rotor
CN107100541A (en) A kind of impact type drilling tool by producing the pressure of the drill disturbance
CN107605396A (en) A kind of shunting penetrates suction hydraulic impacter
CN207315232U (en) Slanting-proof quick-drilling utensil
CN106437518A (en) Throttle-type pulse vibration drilling tool
US5435402A (en) Self-propelled earth drilling hammer-bit assembly

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination