CN106150348B - A kind of mechanical torsional impact drilling tool - Google Patents

A kind of mechanical torsional impact drilling tool Download PDF

Info

Publication number
CN106150348B
CN106150348B CN201510166838.2A CN201510166838A CN106150348B CN 106150348 B CN106150348 B CN 106150348B CN 201510166838 A CN201510166838 A CN 201510166838A CN 106150348 B CN106150348 B CN 106150348B
Authority
CN
China
Prior art keywords
impact
drilling tool
base
pedestal
block piece
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.)
Active
Application number
CN201510166838.2A
Other languages
Chinese (zh)
Other versions
CN106150348A (en
Inventor
崔晓杰
秦金立
张瑞
尹垒
刘阳
马兰荣
韩峰
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 Petroleum and Chemical Corp
Sinopec Research Institute of Petroleum Engineering
Original Assignee
China Petroleum and Chemical Corp
Sinopec Research Institute of Petroleum Engineering
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 Petroleum and Chemical Corp, Sinopec Research Institute of Petroleum Engineering filed Critical China Petroleum and Chemical Corp
Priority to CN201510166838.2A priority Critical patent/CN106150348B/en
Publication of CN106150348A publication Critical patent/CN106150348A/en
Application granted granted Critical
Publication of CN106150348B publication Critical patent/CN106150348B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The present invention relates to a kind of mechanical torsional impact drilling tool, including:Inside has the upper pedestal that at least one mounting groove is offered on hollow area and internal perisporium;The lower base being connected with the upper pedestal;The jump bit component of the hollow area is penetrated, the impact hammer portion projected radially outward and in the mounting groove is provided with the jump bit component;The center rotating shaft that the inside of the jump bit component is in contact to its penetrating end with the lower base is penetrated, is provided with and projects radially outward and for driving the impact hammer portion to carry out the outer lug boss of reciprocally swinging in the mounting groove on the center rotating shaft.The percussion drilling tool has the advantages of avoiding drill bit stick-slip phenomenon is produced during drilling well the drawbacks of, and also has the advantages of improving rate of penetration, stable drilling process and improving drill string and PDC drill bit service life.

Description

A kind of mechanical torsional impact drilling tool
Technical field
The present invention relates to petroleum gas underground drilling tool technical field, more particularly to a kind of mechanical torsional pulse to bore Well instrument.
Background technology
With gradually going deep into for oil and gas development, land Shallow Oil-Gas resource starts to peter out, thus, to petroleum resources Exploration is increasingly turned to deep bottom.Higher burden pressure be present in deep bottom, the rock for causing to be located in the bottom of deep it is hard Degree, compression strength, shearing strength and abrasiveness are all higher, so, will cause the mechanical drilling tool for extending into deep bottom Rotating speed drastically decline.
At present, the drilling well main force drill bit in oil and gas development is PDC (diamond compact) drill bit.However, PDC drill bit exists During deep bottom is crept into, serious stick-slip phenomenon be present.This stick-slip phenomenon easily causes to be connected with PDC drill bit The drill string connect produces torsional oscillation in drilling process, so that the PDC drill bit has rate of penetration during drilling The problem of low and fatiguability failure.
Thus, above-mentioned PDC drill bit needs to coordinate torsional pulse device to use during deep bottom is crept into, with this The drawbacks of overcoming PDC drill bit to produce stick-slip phenomenon in the bottom drilling process of deep.
The content of the invention
In view of the above-mentioned problems, a kind of mechanical torsional impact drilling tool is proposed according to the present invention, including:Inside has The upper pedestal of at least one mounting groove is offered on hollow area and internal perisporium;The lower base being connected with the upper pedestal;Penetrate The jump bit component of the hollow area, it is provided with the jump bit component and projects radially outward and in the mounting groove Impact hammer portion;Penetrate the center rotating shaft that the inside of the jump bit component is in contact to its penetrating end with the lower base, institute State to be provided with center rotating shaft and project radially outward and for driving the impact hammer portion to be carried out in the mounting groove back and forth The outer lug boss of swing.When the percussion drilling tool is started working, screw rod or turbine rotor and center in screw rod or turbodrill Rotary shaft connects for keyway, so, the center can be driven to turn in the case where screw rod or turbine rotor start to turn clockwise Moving axis is turned clockwise together.
When percussion drilling tool is just at the enlightenment state for starting impact, the outer lug boss that sets on the center rotating shaft Side with impact block piece inclined-plane it is mutually chimeric.So, in the case where center rotating shaft turns clockwise, the punching is promoted Block piece is hit to be turned clockwise together with jump bit component.When above-mentioned center rotating shaft rotates to the side for causing to impact hammer portion When striking the side of the mounting groove of upper pedestal, a moment of torsion in the same direction with the percussion drilling tool can be produced, causes the moment of torsion Superimposed with the normal drilling moment of torsion of drill bit, dynamic clamping head and quiet clamping head resets jump bit component afterwards, and center rotating shaft rotates at a high speed Jump bit component is driven frequently to hit upper pedestal, so as to be superimposed the moment of torsion arteries and veins of a high frequency on the normal drilling moment of torsion of drill bit The drawbacks of stick-slip phenomenon occurs in drilling process for PDC drill bit can be reduced or eliminated in punching, this drilling mode.
Preferably, offer location notch hole in the impact hammer portion.
Preferably, being provided with impact block piece in the location notch hole, the thickness of the impact block piece is more than the positioning The depth of slotted eye.
Preferably, being provided with slot to make way on the madial wall of the upper pedestal, the slot to make way is connected with the location notch hole Accommodating the impact block piece after logical.
Preferably, it is provided with the swing space being configured between the impact hammer portion and the internal perisporium of the upper pedestal Dynamic clamping head and quiet clamping head, the dynamic clamping head and quiet clamping head are used for after side wall of the side wall impact for impacting hammer portion to the mounting groove, driven The dynamic impact hammer portion is resetted.By the way that the dynamic clamping head and quiet clamping head is arranged in swing space, can to impact hammer portion The cell wall of the mounting groove of side wall and upper pedestal can be brought into close contact.In addition, after impact hammer portion strikes the cell wall of mounting groove, by It can continue to rotate along the original direction that turns clockwise in the outer lug boss set on center rotating shaft.Now, positioned at jump bit Impact block piece in portion will go into slot to make way.So, the outer lug boss will be unable to mutually be fitted together to impact block piece, i.e., can not continue Act on the torque rotated clockwise to impact block piece.
Preferably, the percussion drilling tool also includes the periphery wall position for being set in the upper pedestal and the lower base Put, and be the shell that is fixedly connected with the lower end of the lower base.The fixed company for being provided for realizing with lower base of the shell Connect, and for connecting drill string, drive drill string to be crept into together.
Preferably, the upper surface of the lower base is circumferentially spaced to be provided with annular groove, the bottom of the lower base is set It is equipped with the screwed hole to concave.The setting of the screwed hole, it is possible to achieve the threaded connection with drill bit, be so easy to and the drill bit Installation and dismounting.
Preferably, the anti-off line being internally provided with for being fixedly connected with the shell and the lower base of the lower base Structure.The setting of the escapement, it is possible to achieve shell is fixedly connected with lower base so that shell and lower base are in the axial direction On play will not occur, and then, the drawbacks of avoiding influenceing drill bit drilling speed because difference in torque be present between shell and lower base, more enter The drawbacks of avoiding to one step drill bit that stick-slip phenomenon occurs in drilling process.
Preferably, the escapement includes the anticreep block piece being correspondingly arranged in the annular groove, and also include The anticreep support member being fixedly mounted in the screwed hole.
Preferably, the internal perisporium position of the shell lower end be provided be connected to accommodate with the annular groove it is described The anticreep stopper slot of anticreep block piece.
Preferably, it is provided with the upper end of the upper pedestal for limiting the center rotating shaft and the jump bit component The bearing bottom end cover of play occurs vertically.The setting of the bearing bottom end cover, it can effectively limit center rotating shaft and impact Play occurs vertically during rotation for hammer component, serves fixed and spacing effect.
Preferably, thrust bearing is installed in the upper grooves of the bearing bottom end cover.The setting of the thrust bearing, rise Pressure when being crept into the drilling tool that withstands shocks, also, when impacting the side wall for the mounting groove that hammer portion strikes upper pedestal, Thrust bearing also greatly reduces the loss of torque because of caused by friction.
Play occurs vertically preferably, being provided with to limit the thrust bearing on the top of the thrust bearing Bearing upper end cover.The bearing upper end cover can limit thrust bearing axially occur play.
In summary, the percussion drilling tool have avoid drill bit during drilling well produce stick-slip phenomenon the drawbacks of The advantages of, and also there is the advantages of improving rate of penetration, stable drilling and improving drill string and PDC drill bit service life.In addition, Due to being not provided with any rubber seal in the percussion drilling tool, thus, in drilling well to the environment temperature and brill of surrounding The condition of well liquid requires relatively low, and thus, the use range of the percussion drilling tool is relatively broad.
Brief description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.In figure:
Fig. 1 is the half section structure diagram of the mechanical torsional impact drilling tool of the present invention.
Fig. 2 is Fig. 1 B-B cross-sectional views.
Fig. 3 is the half section structure diagram (E-E sections) of the escapement in Fig. 1.
Fig. 4 is Fig. 3 E-E schematic cross-sections.
Fig. 5 is the shell status architecture schematic diagram mutually chimeric with lower base.
Fig. 6 is the schematic cross-section (D-D sections) of the initial state of the jump bit component impact in Fig. 1.
Status architecture schematic diagram when Fig. 7 is the jump bit component impact in Fig. 1.
Fig. 8 is the status architecture schematic diagram resetted after the jump bit component in Fig. 1 impacts.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not according to the scaling of reality.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As depicted in figs. 1 and 2, the percussion drilling tool includes upper pedestal 1, lower base 2, jump bit component 3, center rotating Axle 4.The screw rod or turbodrill (not shown) that the percussion drilling tool is set by its top provide rotary power, that is, pass through So that the flower that the spline that the screw rod or turbine rotor lower end in screw rod or turbodrill are set is set with the upper end of center rotating shaft 4 Keyway 41 (see Fig. 2) coordinates installation, so as to realize purpose that screw rod or turbine rotor drive center rotating shaft 4 to rotate together.
As shown in figure 1, in embodiments herein, the inside of the upper pedestal 1 has hollow area 11.The upper pedestal 1 Profile for example can be the column with hollow area 11.Mounting groove 12 (see Fig. 6) is offered on the internal perisporium of the upper pedestal 1, should Mounting groove 12 for example can be fan-shaped or circular arc.In embodiments herein, the number of the mounting groove 12 can be two.
In embodiments herein, the lower base 2 is connected with upper pedestal 1.The lower base 2 for example can be with upper pedestal 1 For key slot type connection or plug-in connection.So, be achieved that lower base 2 with upper pedestal 1 being fixedly connected circumferentially, so as to, Enable lower base 2 and the synchronous axial system of upper pedestal 1.
In embodiments herein, jump bit component 3 is penetrated in hollow area 11.The jump bit component 3 for example can with it is upper Coordinate between pedestal 1 for gap.The impact hammer portion 31 projected radially outward is provided with the jump bit component 3.When the jump bit After component 3 penetrates the hollow area 11, just the impact hammer portion 31 is slipped into the installation groove 12.The impact hammer portion 31 is cut Face shape for example can be fan-shaped or circular arc.I.e. the impact hammer portion 31 can be that cross sectional shape is fan-shaped or circular arc and along jump bit One end of the periphery wall of component 3 is stretched to other end construction and formed.The impact hammer portion 31 can be carried out back and forth in the mounting groove 12 Swing.
In embodiments herein, the impact hammer portion 31 for example can symmetrical expression be arranged on the both sides of jump bit component 3.This Sample, the impact hammer portion 31 rotate under the drive of center rotating shaft 4, so that impact hammer portion 31 strikes the peace of upper pedestal 1 After the side wall of tankage 12, act on and give the 1 uniform torsional impact of upper pedestal, avoid the upper pedestal 1 because of the torsional impact received It is uneven and occur to side rock the drawbacks of.Further, since the impact hammer portion 31 is set for symmetrical expression, so, can cause The impact hammer portion 31 that symmetrical expression is set can hit upper pedestal 1 simultaneously.Further so that the percussion drilling tool can be stablized Drilling, further, ensure that stability of the drill string in drilling process.
As shown in figures 1 to 6, in a preferred embodiment, impact in hammer portion 31 and offer location notch hole 311, should Location notch hole 311 for example can be rectangle.
In a preferred embodiment, impact block piece 5 is installed in the location notch hole 311.So, just realize pair The impact block piece 5 it is radially fixed.The thickness of the impact block piece 5 is more than the depth of location notch hole 311, i.e. the impact block piece 5 Upper surface protrudes from the upper surface of the location notch hole 311.The impact block piece 5 can be for example impact block, and the impact block is with determining Position slotted eye 311 coordinates for gap.
As shown in fig. 6, in a preferred embodiment, slot to make way 13 is provided with the madial wall of upper pedestal 1.The resigning Groove 13 can for example be located in swing space 32 as described below.After the slot to make way 13 is connected with location notch hole 311, it can be used to hold Receive the impact block piece 5.Now, the groove depth that the thickness of the impact block piece 5 is formed after being connected with slot to make way 13 and location notch hole 311 It is identical.
In embodiments herein, center rotating shaft 4 penetrates the inside of jump bit component 3 to the center rotating shaft 4 Penetrating end 42 (see Fig. 1) is in contact with lower base 2.Be provided with the center rotating shaft 4 project radially outward outer lug boss 43 (see Fig. 6).In the case where screw rod or turbodrill rotor start rotation, the center rotating shaft 4 is driven to occur by spline 41 suitable Hour hands rotate.So, the outer lug boss 43 will be mutually chimeric with the inclined-plane 51 of impact block piece 5 (see Fig. 6) as described below, and then promotes The impact block piece 5 turns clockwise together with jump bit component 3.When impact hammer portion 31 strikes the side wall of mounting groove 12 When, clockwise torque can be produced, caused moment of torsion is overlapped mutually in itself rotary course of the moment of torsion and percussion drilling tool, so as to Enhance the moment of torsion of drill bit (not shown) broken rock, and then, the stick slip vibration for being dramatically reduced or eliminating drill bit is asked Topic, improves drilling speed of the drill bit in drilling process, improves operating efficiency.
As shown in figures 1 to 6, in a preferred embodiment, between impact hammer portion 31 and the internal perisporium of upper pedestal 1 Swing space 32 is configured with, dynamic clamping head and quiet clamping head 6 is installed with the swing space 32.The dynamic clamping head and quiet clamping head 6 for example can be Other elastomeric elements of torsion spring, spring or flexible performance.The dynamic clamping head and quiet clamping head 6 for example can directly be set in jump bit component 3 periphery wall position, realize the installation and fixation of the dynamic clamping head and quiet clamping head 6.By the way that the dynamic clamping head and quiet clamping head 6 is arranged on into swing space In 32, the side wall of impact hammer portion 31 and the cell wall of the mounting groove 12 of upper pedestal 1 can be enabled to be brought into close contact.In addition, rushing After hammer portion 31 strikes the cell wall of mounting groove 12, because the outer lug boss 43 that is set on center rotating shaft 4 can be along original suitable Continue to rotate in hour hands direction of rotation.Now, the impact block piece 5 in impact hammer portion 31 will go into slot to make way 13.So, The outer lug boss 43 will be unable to mutually be fitted together to impact block piece 5, i.e., can not continue the power that effect rotates clockwise to impact block piece 5 Square.Now, in the presence of the elastic force of dynamic clamping head and quiet clamping head 6 so that the jump bit component 3 starts gradually to reset.
As shown in Figure 1 and Figure 5, in a preferred embodiment, the percussion drilling tool also includes shell 7.The shell 7 Substantially it is cylindrical in shape, and inside is aerial configurations.The shell 7 includes connecting portion 71 and sleeved part 72.72 sets of the sleeved part of the shell 7 The periphery wall position of upper pedestal 1 and lower base 2 is located at, the bottom of the sleeved part 72 is to be fixedly connected with the lower end of lower base 2.Should The mode of being fixedly connected is, for example, that the keyway 21 that the keyway 721 that the bottom of sleeved part 72 is set is set with the bottom of lower base 2 is mutually chimeric.This Sample, just realize the circumferentially fixed connection between shell 7 and lower base 2.Further, can be with the case where shell 7 rotates The lower base 2 is driven to synchronize rotation, so as to transmit drill string torque in drilling process.
In embodiments herein, the connecting portion 71 is used to connect drill string.The connecting portion 71 can be for example spiral shell with drill string Line connects.So it is easy to the installation and dismounting of drill string.Further, the connecting portion 71 can be that inside is aerial, and in perisporium On be provided with internal thread, or the inside of the connecting portion 71 is provided with external screw thread for solid exterior.The specific of the connecting portion 71 sets Meter can determine according to the screw thread button-type situation that coupled drill string is set.
In a preferred embodiment, the circumferentially spaced annular groove 22 that is provided with the upper surface of lower base 2 is (see figure 4).The annular groove 22 for example can be in the upper surface spaced set of lower base 2.The bottom of the lower base 2, which is provided with, to concave Screw thread 23.The setting of the screw thread 23, it is possible to achieve the threaded connection with drill bit, the specific design of screw thread 23 can according to its phase Screw thread button-type situation that the drill bit of connection is set determines.
In embodiments herein, the internal perisporium position of the lower end of shell 7 is provided with to be connected with each annular groove 22 Anticreep stopper slot 73 (see Fig. 3).The openend of the anticreep stopper slot 73 for example can be towards the inside center direction of the shell 7. The setting of the anticreep stopper slot 73, to accommodate anticreep block piece 81 as described below together with annular groove 22 (see Fig. 3).
Shown as shown in Figure 1, Figure 3 and Figure 4, in a preferred embodiment, the lower base 2 is internally provided with escapement 8.The escapement 8 includes anticreep block piece 81 and anticreep support member 82.The anticreep block piece 81 can be anticreep block.The anticreep block piece 81 are embedded in above-mentioned annular groove 22.Gradually revolved in the screwed hole 23 that the anticreep support member 82 can be set from the bottom of lower base 2 Enter lateral wall of the periphery wall to the inside of lower base 2 to the upper end of anticreep support member 82 just with each anticreep block piece 81 to be affixed Close.So so that right angle platform terrace phase of the outer rim of each anticreep block piece 81 just with anticreep stopper slot 73 (see Fig. 6) bottom Clamping, realize the suspension of the anticreep block piece 81.And then realize the side for being partially embedded into lower base 2 of each anticreep block piece 81 In wall.Further, being fixedly connected for shell 7 and lower base 2 is realized so that lower base 2 connects as one with shell 7. On axial direction, play will not occur between shell 7 and lower base 2.As can be seen here, shell 7 and lower seat can greatly be avoided Body 2 is together in rotary course, the drawbacks of drill bit drilling speed is influenceed because difference in torque be present, further avoids drill bit from creeping into During occur stick-slip phenomenon the drawbacks of.
When being needed to be maintained after the completion of the percussion drilling tool use, the anticreep support member 82 is laid down first, then Through the shell 7 pin is headed into each anticreep block piece 81.So so that each anticreep block piece 81 is radially shunk, from And the radial diameter of each anticreep block piece 81 is caused to be less than the external diameter of lower base 15.Now, each anticreep block piece 81 will no longer with The phase clamping of anticreep stopper slot 73 set in shell 7, thus, extracts the shell 7 upwards, just realizes shell 7 and lower base 2 Separation.
As shown in figure 1, the upper end of upper pedestal 1 is provided with bearing bottom end cover 101.The bearing bottom end cover 101 can for example lead to Pin fastener is crossed in the periphery wall position of center rotating shaft 4.The setting of the bearing bottom end cover 101, it can effectively limit center Play occurs vertically during rotation for rotary shaft 4 and jump bit component 3, serves fixed and spacing effect.
In a preferred embodiment, thrust bearing is installed in the top installation groove of bearing bottom end cover 101 103.The setting of the thrust bearing 103, pressure when withstanding shocks drilling tool drilling is served, also, in impact hammer portion 31 When striking the side wall of mounting groove 12 of upper pedestal 1, thrust bearing 103 also greatly reduces the moment of torsion because of caused by friction and damaged Consumption.
In a preferred embodiment, the top of thrust bearing 103 is provided with bearing upper end cover 104.On the bearing End cap 104 can limit thrust bearing 103 axially occur play.
As shown in figure 1, according to the present invention, in the gap between center rotating shaft 4 and bearing bottom end cover 101 and in Needle bearing is installed with gap between heart rotary shaft 4 and lower base 2.The needle bearing primarily serves to be turned at center Moving axis 4 drives jump bit component 3 relative to during upper pedestal 1 is rotated, can reduce jump bit component 3 and the seat of honour together Frictional force and loss of torque between body 1.
As shown in Fig. 6, Fig. 7 and Fig. 8, according to first example of the present invention, when the percussion drilling tool is started working, spiral shell Screw rod or turbine rotor in bar or turbodrill are connected with center rotating shaft 4 for keyway, it is achieved thereby that screw rod or turbine turn Son is fixedly connected with circumferential between center rotating shaft 4.So, in the case where screw rod or turbine rotor start to turn clockwise The center rotating shaft can be driven to be turned clockwise together.
As shown in fig. 6, now percussion drilling tool is just at the enlightenment state for starting impact.On the center rotating shaft 4 The side of the outer lug boss 43 of setting is mutually chimeric with the inclined-plane 51 for impacting block piece 5.So, dextrorotation occurs in center rotating shaft 4 In the case of turning, the impact block piece 5 is promoted to be turned clockwise together with jump bit component 3.Due to impact hammer portion 31 with Swing space 32 is configured between the internal perisporium of upper pedestal 1, dynamic clamping head and quiet clamping head 6 is installed in swing space 32.In above-mentioned During heart rotary shaft 4 is rotated, the dynamic clamping head and quiet clamping head 6 will be compressed, flexible power.When above-mentioned center rotating shaft 4 rotate to cause impact hammer portion 31 side impact to the mounting groove 12 of upper pedestal 1 side when, one and the impact can be produced Drilling tool moment of torsion in the same direction, causing the moment of torsion, certainly in drilling process, caused moment of torsion is superimposed with percussion drilling tool. So, just the percussion drilling tool is caused to be provided with larger drilling moment of torsion.The larger drilling moment of torsion is applied on drill bit, just The drilling moment of torsion of the drill bit is improved, so as to improve the drilling speed of drill bit, further, the drill bit be reduced or eliminated and has bored The drawbacks of stick-slip phenomenon occurs during entering.
As shown in fig. 7, when the outer lug boss 43 set on center rotating shaft 4 promotes impact block piece 5 to enter in slot to make way 13 When, the side of outer lug boss 43 and the inclined-plane 51 for impacting block piece 5 are no longer mutually chimeric.So, center rotating shaft 4 will be acted on no longer to this Impact block piece 5 continues the driving force of rotation, and the center rotating shaft 4 will continue up time under the drive of screw rod or turbine rotor Pin rotates.Jump bit component 3 now drives impact block piece 5 to start to reset in the presence of above-mentioned dynamic clamping head and quiet clamping head 6, i.e. the punching Hammer component 3 will drive impact block piece 5 to start to be rotated in the counterclockwise direction.
As shown in figure 8, when the jump bit component 3 and impacting block piece 5 in the presence of the elastic force of dynamic clamping head and quiet clamping head 6, make The impact hammer portion 31 is obtained during rotating in the counterclockwise direction, the peace of the side collision of the impact hammer portion 31 to upper pedestal 1 The side of tankage 12.Now, center rotating shaft 4 is under the drive of screw rod or turbine rotor so that the outer lug boss 43 comes back to Its side state mutually chimeric with the inclined-plane 51 for impacting block piece 5, it is ready to repeat next percussion action.As can be seen here, Behind the side of the mounting groove 12 during above-mentioned jump bit component 3 constantly moves in circles shock upper pedestal 1, you can the drill bit is produced High-frequency percussion., can be significantly when moment of torsion caused by the drill bit circumferentially receives the high frequency torsional and drill string of pulsed is superimposed Ground is reduced or eliminated drill bit and stick-slip phenomenon occurs in drilling process.Further, since the height for circumferentially receiving pulsed of drill bit After frequency moment of torsion with drill string caused by moment of torsion it is superimposed, so, avoid due to creep into moment of torsion unexpected release to drill bit and drill string Shock loading is produced, and then the drawbacks of the drill bit or drill string may be damaged, so as to which extend the drill bit and drilling tool uses the longevity Life.
According to the present invention, the percussion drilling tool have avoid drill bit during drilling well produce stick-slip phenomenon the drawbacks of The advantages of, and also there is raising rate of penetration, stable drilling process and raising drill string and PDC (diamond compact) drill bit to make The advantages of with the life-span.Further, since any rubber seal is not provided with the percussion drilling tool, thus, in drilling well to week The environment temperature and the condition of drilling fluid enclosed require relatively low, and thus, the use range of the percussion drilling tool is relatively broad.
Although by reference to preferred embodiment, invention has been described, is not departing from the situation of the scope of the present invention Under, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as being rushed in the absence of structure Prominent, the every technical characteristic being previously mentioned in each embodiment can combine in any way.The invention is not limited in text Disclosed in specific embodiment, but all technical schemes including falling within the scope of the appended claims.

Claims (8)

1. a kind of mechanical torsional impact drilling tool, including:
Inside has the upper pedestal that at least one mounting groove is offered on hollow area and internal perisporium;
The lower base being connected with the upper pedestal;
The jump bit component of the hollow area is penetrated, is provided with the jump bit component and projects radially outward and be located at the peace Impact hammer portion in tankage;
Penetrate the center rotating shaft that the inside of the jump bit component is in contact to its penetrating end with the lower base, the center It is provided with and projects radially outward and for driving the impact hammer portion to carry out reciprocally swinging in the mounting groove in rotary shaft Outer lug boss,
Location notch hole is offered in the impact hammer portion,
Impact block piece is installed in the location notch hole, the thickness of the impact block piece is more than the depth of the location notch hole,
Be provided with slot to make way on the madial wall of the upper pedestal, the slot to make way be connected with the location notch hole after accommodating The impact block piece,
Dynamic clamping head and quiet clamping head is installed in the swing space being configured between the impact hammer portion and the internal perisporium of the upper pedestal, The dynamic clamping head and quiet clamping head is used for after side wall of the side wall impact for impacting hammer portion to the mounting groove, drives the jump bit Portion is resetted.
2. mechanical torsional impact drilling tool according to claim 1, it is characterised in that the percussion drilling tool is also Periphery wall position including being set in the upper pedestal and the lower base, and be fixedly connected with the lower end of the lower base Shell.
3. mechanical torsional impact drilling tool according to claim 2, it is characterised in that the upper surface of the lower base Circumferentially spaced to be provided with annular groove, the bottom of the lower base is provided with the screwed hole to concave.
4. mechanical torsional impact drilling tool according to claim 3, it is characterised in that the inside of the lower base is set The escapement for being fixedly connected with the shell and the lower base is equipped with,
The escapement includes the anticreep block piece being correspondingly arranged in the annular groove, and also includes being fixedly mounted on institute State the anticreep support member in screwed hole.
5. mechanical torsional impact drilling tool according to claim 4, it is characterised in that the inner circumferential of the shell lower end Wall position, which is provided with, is connected the anticreep stopper slot for accommodating the anticreep block piece with the annular groove.
6. mechanical torsional impact drilling tool according to any one of claim 1 to 5, it is characterised in that described The upper end of upper pedestal is provided with occurs the bearing of play vertically for limiting the center rotating shaft and the jump bit component Bottom end cover.
7. mechanical torsional impact drilling tool according to claim 6, it is characterised in that in the bearing bottom end cover Thrust bearing is installed in upper grooves.
8. mechanical torsional impact drilling tool according to claim 7, it is characterised in that in the upper of the thrust bearing Portion is provided with to limit the bearing upper end cover that play occurs vertically for the thrust bearing.
CN201510166838.2A 2015-04-09 2015-04-09 A kind of mechanical torsional impact drilling tool Active CN106150348B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510166838.2A CN106150348B (en) 2015-04-09 2015-04-09 A kind of mechanical torsional impact drilling tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510166838.2A CN106150348B (en) 2015-04-09 2015-04-09 A kind of mechanical torsional impact drilling tool

Publications (2)

Publication Number Publication Date
CN106150348A CN106150348A (en) 2016-11-23
CN106150348B true CN106150348B (en) 2018-04-10

Family

ID=57336397

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510166838.2A Active CN106150348B (en) 2015-04-09 2015-04-09 A kind of mechanical torsional impact drilling tool

Country Status (1)

Country Link
CN (1) CN106150348B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107386959B (en) * 2017-08-28 2019-04-19 长江大学 A kind of single screw spins microseism transmitter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102454364A (en) * 2010-10-19 2012-05-16 中国石油化工集团公司 Torsional impact drilling tool
CN103075097A (en) * 2013-01-16 2013-05-01 西南石油大学 Torsional impact drilling acceleration tool
CN203430420U (en) * 2013-08-28 2014-02-12 杨明合 Novel torque percussion drilling tool
CN103696696A (en) * 2012-09-28 2014-04-02 中国石油化工股份有限公司 Anti-clamp sliding PDC (polycrystalline diamond compact) drill bit
CN104499941A (en) * 2014-12-11 2015-04-08 中国石油大学(华东) Device for converting longitudinal vibration of drill stem into torsional impact of drill bit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6742609B2 (en) * 2001-05-11 2004-06-01 United Diamond Ltd. Rotational impact drill assembly
US7096980B2 (en) * 2002-12-07 2006-08-29 Halliburton Energy Services, Inc. Rotary impact well drilling system and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102454364A (en) * 2010-10-19 2012-05-16 中国石油化工集团公司 Torsional impact drilling tool
CN103696696A (en) * 2012-09-28 2014-04-02 中国石油化工股份有限公司 Anti-clamp sliding PDC (polycrystalline diamond compact) drill bit
CN103075097A (en) * 2013-01-16 2013-05-01 西南石油大学 Torsional impact drilling acceleration tool
CN203430420U (en) * 2013-08-28 2014-02-12 杨明合 Novel torque percussion drilling tool
CN104499941A (en) * 2014-12-11 2015-04-08 中国石油大学(华东) Device for converting longitudinal vibration of drill stem into torsional impact of drill bit

Also Published As

Publication number Publication date
CN106150348A (en) 2016-11-23

Similar Documents

Publication Publication Date Title
CN104847259B (en) A kind of power drilling tool rotary impact speed enhancing apparatus
CN101463709B (en) Torsional impact drilling tool
CN102268961B (en) Screw drill transmission shaft assembly with vibration reduction function
CN104499941B (en) Method of longitudinal vibration of drilling string is converted into the device of drill bit torsional pulse
CN108625769B (en) Torsional pulse drilling speed tool
CN106121513A (en) A kind of composite impact drilling tool
CN205172416U (en) Mechanical oscillation strikes transmission shaft
CN102174876A (en) A drilling apparatus having in-line extending wings and driving method thereof
CN107299825B (en) A kind of inertial confinement induction drilling apparatus of adjoint PDC drill bit
CN208734274U (en) One kind is spun screw drive axle assembly
CN103174380A (en) Spring energy-storage inspiring type rotary percussive drill device
CN102913165B (en) Well-drilling downhole turbine-drive while-drilling vibrator
CN109162634A (en) High frequency axial pulse percussion drilling tool
CN106150348B (en) A kind of mechanical torsional impact drilling tool
CN204060517U (en) Hydraulical impact rotary tools
CN108533170B (en) Pulse-percussion drilling tool
CN208010276U (en) A kind of rotary impact tool of the underground based on magnetic force
CN205558849U (en) Utilize turbine to produce downhole tool of shock oscillation
CN108915583B (en) Mechanical composite impact drilling speed tool
CN205154008U (en) Dish spring formula drilling tool that spins
CN204326969U (en) Method of longitudinal vibration of drilling string is converted into the device of drill bit torsional pulse
CN108547571B (en) A kind of centering type torsion impact drilling tool
CN202157745U (en) Screw drilling tool transmission shaft assembly with vibration reduction function
CN109268419B (en) Well drilling speed-up mechanism
CN105604491B (en) A kind of PDC cutting tooths based on shock-damping structure

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant