CN106761465A - Drilling tool shock absorbing tool and its well drilling pipe column - Google Patents
Drilling tool shock absorbing tool and its well drilling pipe column Download PDFInfo
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- CN106761465A CN106761465A CN201710129696.1A CN201710129696A CN106761465A CN 106761465 A CN106761465 A CN 106761465A CN 201710129696 A CN201710129696 A CN 201710129696A CN 106761465 A CN106761465 A CN 106761465A
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- damping
- drilling tool
- shock absorbing
- dummy piston
- outer tube
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- 238000005553 drilling Methods 0.000 title claims abstract description 114
- 230000035939 shock Effects 0.000 title claims abstract description 57
- 238000013016 damping Methods 0.000 claims abstract description 162
- 230000008520 organization Effects 0.000 claims abstract description 48
- 230000033001 locomotion Effects 0.000 claims abstract description 17
- 239000012530 fluid Substances 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 32
- 238000007789 sealing Methods 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 8
- 210000004907 gland Anatomy 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 4
- 238000011282 treatment Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 9
- 239000011435 rock Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000002153 concerted effect Effects 0.000 description 4
- 241001074085 Scophthalmus aquosus Species 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 241001484259 Lacuna Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
- E21B17/076—Telescoping joints for varying drill string lengths; Shock absorbers between rod or pipe and drill bit
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The present invention discloses a kind of drilling tool shock absorbing tool and its well drilling pipe column, and drilling tool shock absorbing tool includes：Damping executing agency, it includes：Outer tube, the damping dummy piston in the outer tube；The damping dummy piston is provided with the first flow run through along the outer tube bearing of trend；The outer wall of the damping dummy piston is provided with reducing step；The wall of the outer tube is provided with pressure conducting bores；The pressure conducting bores can be conducted to the reducing step external pressure outside the drilling tool shock absorbing tool；The damping dummy piston is acted on interior pressure on its end face and in opposite direction with the external pressure in the outer tube by drilling fluid；The damping dummy piston can be moved in the presence of the external pressure and the interior pressure along the bearing of trend of the outer tube；The controlling organization being connected with the damping executing agency, it can control the movement of the damping dummy piston according to the vibration information of drilling tool according to pre-defined rule.
Description
Technical field
The present invention relates to Petroleum Production scene drilling applications, the drilling tool that drilling tool improves drill bit efficiency of breaking rock is particularly protected to subtract
Shake instrument and its well drilling pipe column.
Background technology
During oil, natural gas and geological drilling often bore meet some hard formations, gravel and it is soft or hard staggeredly
Stratum.Shaft bottom is uneven, drill teeth interval press-in rock and rock interval is broken, drill string oculocentric around well whirling motion situations such as all
Can make drill string that circumferential vibrations, transverse vibration and axial vibrations occur.Longitudinal vibration frequency and the vibrations of drilling tool longitudinal direction when drill bit
When intrinsic frequency matches, bouncing of drilling tool phenomenon i.e. covibration will be produced.Drill string resonance will cause engineering accident, make drill string too early
Fail, or even ultimately result in oil well and scrap.Causality loss is beautiful up to 300,000,000 caused by the annual vibrations because of down-hole equipment of relevant reported literature
Unit.The vibration problems of drill string are to cause downhole tool and other bottom drill tools to damage and cause the main of various down-hole accidents generations
One of reason, severely impacts drill tool life, causes drill bit premature failure, has a strong impact on bit life and drilling efficiency.
Drilling well shock absorbing tool is for mitigating drilling tool vibrations, eliminating or mitigate drilling failure, improve one kind of drilling efficiency
Instrument.Conventional axial damping instrument has mechanical disk spring type shock absorbing tool, fluid pressure type shock absorbing tool.Shock absorbing tool is arranged on and is bored
In tool, when bit drilling tool shakes caused by brill chance bad ground, axial damping instrument can be effectively reduced drilling tool, bit vibration,
Drilling tool premature failure is avoided, drill bit efficiency of breaking rock is improved.
The rigidity of traditional drilling well axial direction shock absorbing tool has set when being and dispatching from the factory, for different drilling tool vibration frequencies and amplitude
Can not make and targetedly adjust, therefore conventional axial shock absorbing tool using effect is uneven.
The content of the invention
In view of the deficiencies in the prior art, it is an object of the invention to provide a kind of drilling tool shock absorbing tool and its well drilling pipe column, energy
Mitigate drilling tool vibrations in real time according to underground shock conditions, improve drill bit efficiency of breaking rock, protect drilling tool.
The present invention is solved the above problems using following scheme：
A kind of drilling tool shock absorbing tool, including：
Damping executing agency, it includes：Outer tube, the damping dummy piston in the outer tube；The damping balance is lived
Plug is provided with the first flow run through along the outer tube bearing of trend；The outer wall of the damping dummy piston is provided with reducing platform
Rank；The wall of the outer tube is provided with pressure conducting bores；The pressure conducting bores can be by the external pressure outside the drilling tool shock absorbing tool
Conduct to the reducing step；The damping dummy piston acted on by drilling fluid in the outer tube on its end face and with institute
State external pressure interior pressure in opposite direction；The damping dummy piston can edge in the presence of the external pressure and the interior pressure
The bearing of trend movement of the outer tube；
The controlling organization being connected with the damping executing agency, it can be according to the vibration information of drilling tool according to pre-defined rule
Control the movement of the damping dummy piston.
As it is a kind of preferred embodiment, the controlling organization include the shell body of the described outer tube one end of connection and
It is arranged at detection means and processing unit on the shell body；The detection means is connected with the processing unit；It is described
Processing unit connects the damping dummy piston；
The second flow channel that the shell body is run through along the outer tube bearing of trend；The detection means can detect brill
The vibration information of tool；The processing unit can control the damping balance to live according to the vibration information of drilling tool according to pre-defined rule
The movement of plug.
As one kind preferred embodiment, the wall of the shell body is provided with the first pockets and the second receiving is recessed
Groove；The detection means includes being located at the vibration survey sensor of the first pockets and covers in first pockets
On sensor sealing gland；The processing unit includes being located at the damping processor of second pockets and covers
Processor sealing gland on second pockets；The vibration survey sensor subtracts by described in data line connection
Shake processor.
As one kind preferred embodiment, controlling organization control when the vibration information exceedes predetermined value is described
Damping dummy piston is moved；The controlling organization stops the damping dummy piston when the vibration information is less than predetermined value and moves
It is dynamic.
As one kind preferred embodiment, when the vibration information exceedes predetermined value, the controlling organization is according to institute
State damping dummy piston movement described in the strength control of vibration information.
As one kind preferred embodiment, the controlling organization is controlled by changing the internal diameter size of the first flow
The movement of the damping dummy piston.
As one kind preferred embodiment, the damping dummy piston is provided with diameter changing mechanism；The controlling organization connection
The diameter changing mechanism；The controlling organization can control the diameter changing mechanism to change the internal diameter size of the first flow.
As one kind preferred embodiment, the diameter changing mechanism is the reducing electricity being arranged on the wall of the first flow
Magnet valve；The reducing magnetic valve includes multiple electromagnetism Diameter changeable valve blocks circumferentially arranged；The two neighboring electromagnetism Diameter changeable valve block
Between be provided with stage clip；The controlling organization by control the two neighboring electromagnetism Diameter changeable valve block away from or be close to, so as to change
Multiple electromagnetism Diameter changeable valve blocks surround the size of circumference.
As one kind preferred embodiment, the quantity of the reducing magnetic valve is multiple；Multiple reducing magnetic valves
Arranged along the bearing of trend of the outer tube.
As one kind preferred embodiment, the wall of the first flow is provided with the circumference for accommodating the reducing magnetic valve
Groove；The internal diameter of the first flow is constant along its length during the reducing magnetic valve non-reducing.
As one kind preferred embodiment, the upper surface area of the damping dummy piston is more than its lower surface area；
The outer wall of the damping dummy piston is along in top-down direction through reducing outer diameter of step diminution.
As it is a kind of preferred embodiment, the wall spline fitted of the damping dummy piston and the first flow.
As one kind preferred embodiment, the pressure conducting bores are provided with filter, are carried out with to the liquid for flowing into
Filtering.
As one kind preferred embodiment, the lower end of the damping dummy piston is stretched out the outer tube and is connected with down and connects
Head.
As one kind preferred embodiment, also including passing through power supply with the damping executing agency and the controlling organization
The supply of electric power mechanism of cable connection, it can be that the damping executing agency and the controlling organization are powered.
As one kind preferred embodiment, the bottom of first pockets and the second pockets is respectively equipped with
It is passed through the threading hole of the second flow channel；The service cable by the threading hole connect the vibration survey sensor and
The damping processor.
As one kind preferred embodiment, the supply of electric power mechanism includes upper tube body, is fixedly installed on the upper pipe
Internal battery unit；The battery unit connects the damping executing agency and the control machine by the service cable
Structure.
As one kind preferred embodiment, the battery unit includes battery case and in the battery case
Battery；The excessively stream annular space passed through for drilling fluid is provided between the inwall of the battery unit and the upper tube body；The battery case
The cell sealing lid on battery cavities is covered with battery cavities and sealing；The lower end of the battery case is provided with power outlet, institute
State service cable and the electricity of the battery is delivered to by the damping executing agency and the controlling organization by the power outlet.
As one kind preferred embodiment, between inwall of the upper end of the battery case by upper flange and the upper tube body
Gap coordinates；The lower end of the battery case is coordinated by lower flange with the inwall gap of the upper tube body；The upper flange and described
Opening was respectively equipped with lower flange.
As one kind preferred embodiment, the controlling organization is located at vibrations executing agency and the supply of electric power
Between mechanism；The upper end of the shell body is threadedly coupled with the lower end of the upper tube body；The lower end of the shell body is outer with described
The threaded upper ends connection of pipe.
A kind of well drilling pipe column, including：Drilling tool shock absorbing tool and drill bit described in drilling rod, as above any embodiment.
By above technical scheme, drilling tool shock absorbing tool and its well drilling pipe column in the present invention are held by damping executing agency
Row damping is acted, meanwhile, controlling organization is provided with according to the vibration information of drilling tool according to pre-defined rule control damping executing agency
The movement of damping dummy piston, so that, drilling tool shock absorbing tool and its well drilling pipe column in the present invention can shake feelings according to underground
Condition mitigates drilling tool vibrations in real time, improves drill bit efficiency of breaking rock, protects drilling tool.
With reference to explanation hereinafter and accompanying drawing, only certain exemplary embodiments of this invention is disclose in detail, specify original of the invention
Reason can be in adopted mode.It should be understood that embodiments of the present invention are not so limited in scope.In appended power
In the range of the spirit and terms that profit is required, embodiments of the present invention include many changes, modifications and are equal to.
The feature for describing and/or showing for a kind of implementation method can be in same or similar mode one or more
Used in individual other embodiment, it is combined with 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 of one or more further features, one integral piece, step or component or additional.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those skilled in the art, without having to pay creative labor, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the drilling tool shock absorbing tool that one embodiment of the present invention is provided；
Fig. 2 is the cooperation schematic diagram of damping dummy piston and outer tube in Fig. 1；
Fig. 3 A are the non-undergauge status architecture schematic diagrames of electromagnetism Diameter changeable valve；
Fig. 3 B are electromagnetism Diameter changeable valve undergauge status architecture schematic diagrames；
Fig. 4 A are pressure schematic diagrames suffered by damping dummy piston under the non-undergauge state of electromagnetism Diameter changeable valve；
Fig. 4 B are the stress diagrams of damping dummy piston in Fig. 4 A；
Fig. 5 A are pressure schematic diagrames suffered by damping dummy piston under electromagnetism Diameter changeable valve undergauge state；
Fig. 5 B are the stress diagrams of damping dummy piston in Fig. 5 A；
Fig. 6 A are damping executing agency working state schematic representations under the non-undergauge state of electromagnetism Diameter changeable valve；
Fig. 6 B are damping executing agency working state schematic representations under electromagnetism Diameter changeable valve undergauge state.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in the present invention, below in conjunction with of the invention real
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described implementation
Example is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained on the premise of creative work is not made, should all belong to guarantor of the present invention
The scope of shield.
It should be noted that when element is referred to as " being arranged at " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
For illustrative purposes only, it is unique implementation method to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article with belong to technical field of the invention
The implication that technical staff is generally understood that is identical.The term for being used in the description of the invention herein is intended merely to description tool
The purpose of the implementation method of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more
The arbitrary and all of combination of related Listed Items.
Fig. 1 is referred to, is a kind of structural representation of drilling tool shock absorbing tool that one embodiment of the present invention is provided, such as schemed
Shown in 1, the drilling tool shock absorbing tool includes：Damping executing agency, it includes：Outer tube 301, the damping in the outer tube 301
Dummy piston 302；The damping dummy piston 302 is provided with the first flow run through along the bearing of trend of the outer tube 301；Institute
The outer wall for stating damping dummy piston 302 is provided with reducing step；The wall of the outer tube 301 is provided with pressure conducting bores 306；It is described
Pressure conducting bores 306 can be conducted to the reducing step external pressure outside the drilling tool shock absorbing tool；The damping balance is lived
Plug 302 is acted on interior pressure on its end face and in opposite direction with the external pressure by drilling fluid in the outer tube 301；Institute
Stating damping dummy piston 302 can move in the presence of the external pressure and the interior pressure along the bearing of trend of the outer tube 301
It is dynamic；The controlling organization being connected with the damping executing agency, it can be according to the vibration information of drilling tool according to pre-defined rule control
The movement of the damping dummy piston 302.
In the present embodiment, the controlling organization can include the described one end of outer tube 301 of connection shell body 201, with
And it is arranged at detection means and processing unit on the shell body 201；The detection means is connected with the processing unit；
The processing unit connects the damping dummy piston 302.
Wherein, the second flow channel that the shell body 201 is run through along the bearing of trend of the outer tube 301.As shown in figure 1,
Second flow channel is communicated with outer tube 301, and drilling fluid is flowed into outer tube 301 through second flow channel.The detection means can detect brill
The vibration information of tool.The processing unit can control the damping balance to live according to the vibration information of drilling tool according to pre-defined rule
The movement of plug.
As shown in figure 1, the wall of the shell body 201 is provided with the first pockets and the second pockets.The detection
Device includes being located at the vibration survey sensor 202 of the first pockets and covers the sensing on first pockets
Device sealing gland 203.The processing unit includes being located at the damping processor 205 of second pockets and covers in institute
State the processor sealing gland 204 on the second pockets；The vibration survey sensor 202 is connected by data line 206
Connect the damping processor.
In the present embodiment, vibration survey sensor 202 can be shaken with real-time monitoring, treatment, analysis down-hole equipment, according to
According to program setting in case of need, damping processor is passed the signal along to.
Wherein, shell body 201 is overall cylindrical.The upper end and lower end of shell body 201 offer joint screw thread, wherein,
The screw thread of upper end can be connected with the upper tube body 101 of following supply of electric power mechanisms, screw thread and the damping execution system of lower end
Outer tube 301 is connected.
Vibration survey sensor 202 can be by being threadably mounted on shell body 201, and sensor sealing gland 203 will shake
Dynamic measurement sensor 202 is sealed in the first pockets.
Damping processor 205 is arranged on shell body 201, and damping processor sealing gland 204 is close by damping processor 205
Envelope.Damping processor 205 is to be loaded with software program on hardware configuration or hardware configuration.Specifically, damping processor 205
Can be CPU, circuit board, PLC, single-chip microcomputer etc..The number that vibration survey sensor 202 will be measured by data line 206
According to signal transmission to damping processor 205.
In the present embodiment, the controlling organization controls the damping to balance when the vibration information exceedes predetermined value
Piston 302 is moved；The controlling organization stops the damping dummy piston 302 and moves when the vibration information is less than predetermined value
It is dynamic.Further, when the vibration information exceedes predetermined value, strength control of the controlling organization according to the vibration information
The damping dummy piston 302 is moved.Specifically, the controlling organization is controlled by changing the internal diameter size of the first flow
The movement of the damping dummy piston 302.
Sample frequency collection vibration survey sensing data of the damping processor 205 first according to program setting, it is then right
Vibration data carries out Treatment Analysis, and is contrasted with the data of setting in program.
In a specific embodiment, damping processor 205 can first contrast vibration information intensity (shockproofness)
Whether setting value is more than, if big then setting value, damping processor 205 is classified to intensity.
Damping processor 205 determines to start first of different inner diameters in damping execution system according to vibration information strength grade
Runner, starts shock-damping structure (damping dummy piston 302) operation, mitigates drilling tool vibrations.Vibration information intensity can under normal circumstances
To be divided into 5-8 grades of shockproofness, and 5-8 grades of different first flow internal diameter of correspondence.
When underground vibration data (vibration information) is less than setting value, damping processor 205 will perform signal transmission to damping
Processor shock-damping structure is stopped.This can damping eliminate down-hole equipment axial vibrations to drilling tool, the destruction of drill bit, improve and bore
Head efficiency of breaking rock, can effectively improve life tools again.
The drilling tool shock absorbing tool of present embodiment can also include logical with the damping executing agency and the controlling organization
The supply of electric power mechanism of service cable connection is crossed, it can be that the damping executing agency and the controlling organization are powered.In this reality
Apply in mode, supply of electric power mechanism provides power supply for drilling tool shock absorbing tool, it is ensured that the underground electricity consumption of drilling tool shock absorbing tool.
Continue from the preceding paragraph description, the bottom of first pockets and the second pockets is respectively equipped with and is passed through described
The threading hole of two runners；The service cable is connected at the vibration survey sensor and the damping by the threading hole
Reason device.
Supply of electric power mechanism can be used battery to power, and can also be powered using turbogenerator.In present embodiment, preferably
Powered using battery, so as to long power cable need not be set, be easy to set and reduces cost.
Please continue to refer to Fig. 1, the supply of electric power mechanism can include upper tube body 101, be fixedly installed on the upper tube body
Battery unit in 101.Wherein, upper tube body 101 is cylinder, inside there is step through-hole.The step through-hole is communicated with second flow channel,
Drilling fluid enters second flow channel through step through-hole.
The epimere of the step through-hole is provided with internal thread, (is such as bored with connecting the instrument above drilling tool shock absorbing tool
Bar), the hypomere of step through-hole shrinks, meanwhile, the lower end of upper tube body 101 is shunk and to form external screw thread and be connected with shell body 201.
As shown in figure 1, battery unit fixes the interlude positioned at step through-hole, the interlude substantially cylindrical cavity.
The battery unit connects the damping executing agency and the controlling organization by the service cable 107.
Specifically, the battery unit can include battery case 103 and the battery in the battery case 103
105.The excessively stream annular space passed through for drilling fluid is provided between the inwall of the battery unit and the upper tube body；The battery case tool
There is the cell sealing lid 102 that battery cavities and sealing are covered on battery cavities.The lower end of the battery case 103 is provided with power outlet
106, the electricity of the battery 105 is delivered to the damping executing agency by the service cable 107 by the power outlet 106
And the controlling organization.
Further, the upper end of the battery case 103 is coordinated by upper flange with the inwall gap of the upper tube body；It is described
The lower end of battery case is coordinated by lower flange with the inwall gap of the upper tube body；On the upper flange and the lower flange respectively
It was provided with opening 104.
As shown in figure 1, upper flange and lower flange are flange ring, upper flange and lower flange rise to the upper and lower ends of battery case
To centralizing function.Upper flange and lower flange were provided with opening 104, so that drilling fluid flows through.The lower flange end face of battery case 103
It is placed in upper tube body 101 on stepped hole, external diameter and the interporal lacuna in upper tube body 101 of upper flange and lower flange coordinate.Battery 105
It is placed in battery case 103, the sealed cell of battery cavities closure 102 is arranged at top.Power outlet 106 can be provided with seal approach,
Electricity is transported to controlling organization and damping execution system by service cable 107 by the power outlet 106 that lower bands are sealed.
It can be seen that in the present embodiment, the controlling organization may be located at vibrations executing agency and the electric power
Between organization of supply.The upper end of the shell body 201 is threadedly coupled with the lower end of the upper tube body 101；The shell body 201
Lower end is connected with the threaded upper ends of the outer tube 301.Service cable 107 (is worn by the power supply sealing hole on the endoporus of shell body 201
String holes) electricity is respectively delivered to shock sensor 202 and damping processor 205.
In the present embodiment, damping execution system is by receiving the signal enabling of controlling organization or stopping damping work
Make.Damping execution system includes outer tube 301, damping dummy piston 302, pressure conducting bores 306.Wherein, outer tube 301 is generally justified
Cylindricality, top is provided with screw thread and is connected with the screw thread of shell body 201, and the inside of outer tube 301 is similar to upper tube body 101, is again provided with step
Hole.
Damping dummy piston 302 is the T-shaped cylinder for having an inner via hole (i.e. first flow), Upper cylindrical and outer tube 301
Interior circular hole coordinates, and lower bottom end is provided with screw thread and is connected with lower contact 308.As shown in Fig. 2 interlude is spline segment and outer tube 301
Lower end spline be connected.The damping dummy piston, can be in transmitting torque by the wall spline fitted with the first flow
Can move up and down again simultaneously.As shown in figure 1, the lower end of the damping dummy piston 302 is stretched out the outer tube 301 and is connected with down
Joint 308.The lower contact 308 can connect the instrument below drilling tool shock absorbing tool, be moved through in damping dummy piston 302
The instrument on Cheng Zhong, outer tube 301 and its top can also occur relative change with the distance of lower contact 308 and the instrument of lower section.
The upper end cylinder of damping dummy piston 302 is cylindrical to be provided with seal combination 303 (such as sealing ring, sealing pair), sealing group
Closing 303 is used between the Upper cylindrical of seal shock-proof dummy piston 302 section and the inwall of damping executing agency outer tube 301.
In the present embodiment, interior pressure is downward with one of external pressure, another upward.For ease of implementing, the damping is put down
The upper surface area of weighing apparatus piston is more than its lower surface area, so that the direction of interior pressure is downward.Further, the damping
The outer wall of dummy piston is along in top-down direction through reducing outer diameter of step diminution.The drilling well that pressure conducting bores 306 are passed through
Liquid (being located between drilling tool shock absorbing tool and the borehole wall) is acted on reducing step.
Pressure conducting bores 306 are located at the bottom of outer tube 301, and filter 307 can be provided with thereon.Generally, filter 307 can
To be arranged at the inside of pressure conducting bores 306.In the present embodiment, pressure conducting bores 306 are used to transmit annular space drilling hydraulic
Power, the liquid of 307 pairs of inflows of filter is filtered, so as to avoid landwaste from blocking damping actuator pressure conduction hole 306.
The damping dummy piston is provided with diameter changing mechanism；The controlling organization connects the diameter changing mechanism；The control machine
Structure can control the diameter changing mechanism to change the internal diameter size of the first flow.Wherein, controlling organization can be controlled to reducing
The size of current of mechanism's input or the size in voltage swing or magnetic field, so that the size of diameter changing mechanism is controlled, certainly, control
Mechanism can also control the internal diameter size of diameter changing mechanism by transmission information instruction.The side of reducing is realized in view of diameter changing mechanism
It is various no matter formula exists from the form of structure or structure combination software, and present embodiment is not intended to be limited in any herein.
Specifically, the diameter changing mechanism can be the reducing magnetic valve 304 being arranged on the wall of the first flow.Power supply
Cable 107 and the connection electromagnetism of signal-transmitting cable 206 Diameter changeable valve 304.
Wherein, the reducing magnetic valve 304 includes multiple electromagnetism Diameter changeable valve blocks 3041 circumferentially arranged, such as electromagnetism becomes
Footpath valve block 3041 can be 2-10 blocks.Stage clip 305 is provided between the two neighboring electromagnetism Diameter changeable valve block.The controlling organization passes through
Control the two neighboring electromagnetism Diameter changeable valve block 3041 away from or be close to, so as to change multiple institutes of electromagnetism Diameter changeable valve block 3041
Surround the size of circumference.
Specifically, two neighboring electromagnetism Diameter changeable valve block 3041 can be attracted by the magnetic field produced by electromagnetic induction or
Repel, accordingly, controlling organization can control the size of current being input into electromagnetism Diameter changeable valve block 3041, so as to control each electromagnetism
The size in magnetic field produced by Diameter changeable valve block 3041.
In the present embodiment, as shown in Fig. 3 A, Fig. 3 B, electromagnetism Diameter changeable valve 304 includes pressure to the structure of electromagnetism Diameter changeable valve 304
Spring 305 and electromagnetism Diameter changeable valve block 3041.Fig. 3 A be the original state of electromagnetism Diameter changeable valve 304 (it can be appreciated that non-undergauge state,
Electromagnetism Diameter changeable valve 304 can be not powered under this state, i.e. controlling organization is by between supply of electric power mechanism and electromagnetism Diameter changeable valve 304
Block), electromagnetism Diameter changeable valve block 3041 is in open configuration, now, fast 3041 groups of electromagnetism Diameter changeable valve under the active force of stage clip 305
Into a flowing hole for circular hole, this flowing hole can be consistent or identical with the inner via hole diameter of damping dummy piston 302.
Specifically such as Fig. 4 A to Fig. 6 B, the wall of the first flow is provided with the circumference for accommodating the reducing magnetic valve 304
Groove；The internal diameter of the first flow is constant along its length during the 304 non-reducing of reducing magnetic valve.In present embodiment
In, the quantity of the reducing magnetic valve 304 can be multiple (two and more than).Multiple reducing magnetic valves 304 are along described
The bearing of trend arrangement of outer tube.Wherein, the quantity of circumferential groove is identical with the quantity of reducing magnetic valve 304 and corresponds.Phase
Can be spaced a distance between adjacent two reducing magnetic valves 304, so as to play preferably damping effect.
In the present embodiment, Fig. 3 B are the states after electromagnetism Diameter changeable valve 304 starts, and electromagnetism Diameter changeable valve block 3041 encloses composition
One circular closure passage, first flow internal diameter of the close passage diameter less than damping dummy piston 302.Due to first flow
Internal diameter diminishes, therefore, the upper end area increase of damping dummy piston 302 is that this drilling fluid acts on damping dummy piston 302 and produces
A raw bigger down force.
In the present embodiment, it is the not actuated stress of electromagnetism Diameter changeable valve 304 of damping dummy piston shown in Fig. 4 A and Fig. 4 B
Figure.As shown in Figure 4 A, the upper surface of damping dummy piston 302 is Pp by pressure in drilling tool, and upper surface area is Auo, reducing step
Annular pressure Pa is received in face, and reducing step surface area is Ado.
Fig. 4 B are the stressing conditions of damping dummy piston 302, by downward directed force F o, upward directed force F a, to realize essence
Really control, considers active force WOB of the drilling fluid in drilling tool shock absorbing tool to the lower surface of damping dummy piston 302 in the lump.So as to,
Relation is as follows between these power：
Fo=Auo×Pp
Fa=Ado×Pa
WOB+Fa＞ Fo
Now, damping dummy piston 302 is suffered makes a concerted effort upwards, therefore, as shown in Figure 6A, damping dummy piston 302 is in
Upper dead center position (has been provided with the reducing of position-limiting action) in the inwall of upper dead center position outer tube.
It is force diagram after damping dummy piston electromagnetism Diameter changeable valve starts shown in Fig. 5 A and Fig. 5 B.Shown in Fig. 5 A, damping balance
The upper surface of piston 302 is Pp by pressure in drilling tool, and upper surface area is Aso, and reducing step surface receives annular pressure Pa, lower surface face
Product is Ado.
Comparison diagram 4A and Fig. 5 A, because electromagnetism Diameter changeable valve 304 starts, area becomes big to the upper surface of damping dummy piston 302.
Fig. 5 B are the stressing conditions of damping dummy piston 302, by upper and lower effect Fs, upward directed force F a, drilling tool damping work are considered in the lump
The active force WOB of drilling fluid in tool to the lower surface of damping dummy piston 302.Relation is as follows between these power：
Fs=Aus×Pp
Fa=Ado×Pa
Fs＞ WOB+Fa
Now, damping dummy piston 302 is suffered makes a concerted effort downwards, therefore, as shown in Figure 6B, damping dummy piston 302 is in
Lower dead point position.Under normal circumstances, now damping dummy piston 302 is downward makes a concerted effort more than the upward 20-30KN that makes a concerted effort.
In this case, when beating occurs in drill bit, drill bit drives the flat piston 302 of damping upward by lower contact 308
Motion, then under hydrodynamic thrust effect, damping dummy piston 302 is moved downwardly to bottom dead centre (Fig. 6 B) again.Pushed away in fluid power
Under dynamic, drilling tool, the axial vibrations of drill bit are mitigated significantly by the effect of this hydraulic resistance balance, so as to protect drilling tool, drill bit, improve
Drill bit efficiency of breaking rock, extends drill tool life.
The upper surface of damping dummy piston 302 is different after the different startups of electromagnetism Diameter changeable valve 304, therefore provides damping intensity
Scope is also differed, it is generally the case that the quantity of electromagnetism Diameter changeable valve 304 is 1-10 in damping execution system.
In sum, present embodiments provide for a kind of shock absorbing tool suitable for reducing drilling tool axial vibrations, the damping
Instrument can carry out real-time data acquisition, analyzing and processing and control to underground axial vibration, be that one kind can carry out closed loop in underground
The axial damping instrument of control.
The drilling tool shock absorbing tool measures underground axial vibration in real time by vibration survey sensor, and damping processor is according to setting
Program is determined according to preset frequency collection analysis axial vibration data, it is big according to oscillation intensity when axial vibration exceedes setting value
Different electromagnetism Diameter changeable valves, makes damping executing agency be in damping working state in small startup damping execution system.Damping is performed
Mechanism mitigates drilling tool, drill vibration significantly by hydraulic resistance balance, improves the bit drilling tool life-span, improves drill bit efficiency of breaking rock.
In addition, present embodiment provide shock absorbing tool again when axial vibration be no more than setting value when, do not start electromagnetism change
Footpath valve.So as to the drilling tool shock absorbing tool of present embodiment can in real time start damping executing agency, improve drill bit efficiency, also can
Do not worked in the case where underground vibrating does not influence drillng operation, to extend the axial shock absorbing tool life-span.
Another implementation method of the invention also provides a kind of well drilling pipe column, including：Described in drilling rod, as above any embodiment
Drilling tool shock absorbing tool and drill bit.
Herein cited any digital value all include between lower limit to higher limit with a lower value for incremented and
The all values of upper value, the interval that there are at least two units between any lower value and any much higher value.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 also clearly listing such as 15 to 85,22 in the specification arrives
68th, 43 to 51,30 to 32 is equivalent.For the value less than 1, suitably think that a unit is 0.0001,0.001,0.01,0.1.
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 " approximate " be suitable for two end points of the scope.Thus, " about 20 to 30 " are intended to covering " about 20 to about
30 ", at least end points including indicating.
The all articles and reference for disclosing, including patent application and publication, for various purposes by quoting knot
Together in this.The term " substantially by ... constitutes " for describing combination should include identified element, composition, part or step and reality
There is no other elements, composition, part or the step of the basic novel feature for influenceing the combination in matter.Using term "comprising" or
" including " combination of element here, composition, part or step is described it is also contemplated that basic by these elements, composition, part
Or the implementation method that step is constituted.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.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" of description element, composition, part or step is not said to exclude other elements, composition, part
Or step.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouching
State, many implementation methods and many applications outside the example for being provided all will be for a person skilled in the art aobvious and easy
See.Therefore, the scope of this teaching should not determine with reference to foregoing description, but should with reference to appended claims and this
The four corner of the equivalent that a little claims are possessed determines.It is for comprehensive purpose, all articles and special with reference to including
The disclosure of profit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as inventor the theme is not thought of as it is disclosed
A part for subject matter.
Claims (21)
1. a kind of drilling tool shock absorbing tool, it is characterised in that including：
Damping executing agency, it includes：Outer tube, the damping dummy piston in the outer tube；The damping dummy piston sets
There is the first flow run through along the outer tube bearing of trend；The outer wall of the damping dummy piston is provided with reducing step；
The wall of the outer tube is provided with pressure conducting bores；The pressure conducting bores can conduct the external pressure outside the drilling tool shock absorbing tool
To the reducing step；The damping dummy piston is acted on its end face and outer with described in the outer tube by drilling fluid
The opposite interior pressure of pressure direction；The damping dummy piston can be along described in the presence of the external pressure and the interior pressure
The bearing of trend movement of outer tube；
The controlling organization being connected with the damping executing agency, it can be according to the vibration information of drilling tool according to pre-defined rule control
The movement of the damping dummy piston.
2. drilling tool shock absorbing tool as claimed in claim 1, it is characterised in that：The controlling organization includes the connection outer tube one
The shell body at end and the detection means and processing unit that are arranged on the shell body；The detection means and the treatment
Device is connected；The processing unit connects the damping dummy piston；
The second flow channel that the shell body is run through along the outer tube bearing of trend；The detection means can detect drilling tool
Vibration information；The processing unit can control the damping dummy piston according to the vibration information of drilling tool according to pre-defined rule
It is mobile.
3. drilling tool shock absorbing tool as claimed in claim 2, it is characterised in that：It is recessed that the wall of the shell body is provided with the first receiving
Groove and the second pockets；The detection means includes being located at the vibration survey sensor of the first pockets and covers in institute
State the sensor sealing gland on the first pockets；The processing unit is included at the damping of second pockets
Manage device and cover the processor sealing gland on second pockets；The vibration survey sensor is passed by data
Defeated line connects the damping processor.
4. drilling tool shock absorbing tool as claimed in claim 1, it is characterised in that：The controlling organization exceedes in the vibration information
The damping dummy piston is controlled to move during predetermined value；The controlling organization stops institute when the vibration information is less than predetermined value
State the movement of damping dummy piston.
5. drilling tool shock absorbing tool as claimed in claim 4, it is characterised in that：When the vibration information exceedes predetermined value, institute
State controlling organization damping dummy piston movement according to the strength control of the vibration information.
6. drilling tool shock absorbing tool as claimed in claim 1, it is characterised in that：The controlling organization is described first-class by changing
The internal diameter size in road controls the movement of the damping dummy piston.
7. drilling tool shock absorbing tool as claimed in claim 6, it is characterised in that：The damping dummy piston is provided with diameter changing mechanism；
The controlling organization connects the diameter changing mechanism；The controlling organization can control the diameter changing mechanism to change the first flow
Internal diameter size.
8. drilling tool shock absorbing tool as claimed in claim 7, it is characterised in that：The diameter changing mechanism is described first-class to be arranged at
Reducing magnetic valve on the wall in road；The reducing magnetic valve includes multiple electromagnetism Diameter changeable valve blocks circumferentially arranged；It is two neighboring
Stage clip is provided between the electromagnetism Diameter changeable valve block；The controlling organization by control the two neighboring electromagnetism Diameter changeable valve block away from
Or be close to, so as to change the size that multiple electromagnetism Diameter changeable valve blocks surround circumference.
9. drilling tool shock absorbing tool as claimed in claim 8, it is characterised in that：The quantity of the reducing magnetic valve is multiple；It is many
The individual reducing magnetic valve is arranged along the bearing of trend of the outer tube.
10. drilling tool shock absorbing tool as claimed in claim 8, it is characterised in that：The wall of the first flow is provided with receiving institute
State the circumferential groove of reducing magnetic valve；The internal diameter of the first flow is not along its length during the reducing magnetic valve non-reducing
Become.
11. drilling tool shock absorbing tools as claimed in claim 1, it is characterised in that：The upper surface area of the damping dummy piston
More than its lower surface area；The outer wall of the damping dummy piston is along in top-down direction through reducing outer diameter of step diminution.
12. drilling tool shock absorbing tools as claimed in claim 1, it is characterised in that：The damping dummy piston is first-class with described
The wall spline fitted in road.
13. drilling tool shock absorbing tools as claimed in claim 1, it is characterised in that：The pressure conducting bores are provided with filter, with
Liquid to flowing into is filtered.
14. drilling tool shock absorbing tools as claimed in claim 1, it is characterised in that：Institute is stretched out in the lower end of the damping dummy piston
State outer tube and be connected with lower contact.
15. drilling tool shock absorbing tools as claimed in claim 3, it is characterised in that：Also include and the damping executing agency and institute
The supply of electric power mechanism that controlling organization is connected by service cable is stated, it can be the damping executing agency and the controlling organization
Power supply.
16. drilling tool shock absorbing tools as claimed in claim 15, it is characterised in that：First pockets and the second receiving
The bottom of groove is respectively equipped with the threading hole for being passed through the second flow channel；The service cable connects described by the threading hole
Vibration survey sensor and the damping processor.
17. drilling tool shock absorbing tools as claimed in claim 15, it is characterised in that：The supply of electric power mechanism include upper tube body,
It is fixedly installed on the battery unit in the upper tube body；The battery unit connects the damping and performs by the service cable
Mechanism and the controlling organization.
18. drilling tool shock absorbing tools as claimed in claim 17, it is characterised in that：The battery unit include battery case and
Battery in the battery case；The mistake passed through for drilling fluid is provided between the inwall of the battery unit and the upper tube body
Stream annular space；The battery case has the cell sealing lid that battery cavities and sealing are covered on battery cavities；Under the battery case
End is provided with power outlet, and the electricity of the battery is delivered to the damping and performs machine by the service cable by the power outlet
Structure and the controlling organization.
19. drilling tool shock absorbing tools as claimed in claim 18, it is characterised in that：The upper end of the battery case by upper flange with
The inwall gap of the upper tube body coordinates；Matched somebody with somebody with the inwall gap of the upper tube body by lower flange the lower end of the battery case
Close；Opening was respectively equipped with the upper flange and the lower flange.
20. drilling tool shock absorbing tools as claimed in claim 17, it is characterised in that：The controlling organization is located at the vibrations and performs
Between mechanism and the supply of electric power mechanism；The upper end of the shell body is threadedly coupled with the lower end of the upper tube body；It is described outer
The lower end of housing is connected with the threaded upper ends of the outer tube.
A kind of 21. well drilling pipe columns, it is characterised in that including：Drilling rod, the drilling tool damping work as described in claim 1-20 is any
Tool and drill bit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129696.1A CN106761465B (en) | 2017-03-07 | 2017-03-07 | Drilling tool shock absorbing tool and its well drilling pipe column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129696.1A CN106761465B (en) | 2017-03-07 | 2017-03-07 | Drilling tool shock absorbing tool and its well drilling pipe column |
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| CN106761465B CN106761465B (en) | 2019-01-18 |
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| US20150176334A1 (en) * | 2012-04-05 | 2015-06-25 | Mincon International Limited | Symmetrical bit for directional drilling tool |
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| CN206753510U (en) * | 2017-03-07 | 2017-12-15 | 中国石油天然气集团公司 | Drilling tool shock absorbing tool and its well drilling pipe column |
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2017
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| US5323852A (en) * | 1992-11-03 | 1994-06-28 | Atlantic Richfield Company | Torque limiter for auger gravel pack assembly |
| CN2284294Y (en) * | 1996-03-06 | 1998-06-17 | 张益友 | Level well propellor |
| CN102031938A (en) * | 2010-11-25 | 2011-04-27 | 中国石油化工股份有限公司 | Shock absorber for drilling tool in oil-gas drilling |
| US20150176334A1 (en) * | 2012-04-05 | 2015-06-25 | Mincon International Limited | Symmetrical bit for directional drilling tool |
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|---|---|
| CN106761465B (en) | 2019-01-18 |
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Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC ENGINEERING TECHNOLOGY R & D Co.,Ltd. Address before: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee before: China National Petroleum Corp. Patentee before: CNPC Drilling Engineering Technology Research Institute Co.,Ltd. Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: China National Petroleum Corp. Patentee after: CNPC Drilling Engineering Technology Research Institute Co.,Ltd. Address before: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee before: China National Petroleum Corp. Patentee before: DRILLING RESEARCH INSTITUTE OF CHINA NATIONAL PETROLEUM Co. |
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Effective date of registration: 20230104 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC ENGINEERING TECHNOLOGY R & D Co.,Ltd. Patentee after: BEIJING PETROLEUM MACHINERY Co.,Ltd. Address before: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee before: CHINA NATIONAL PETROLEUM Corp. Patentee before: CNPC ENGINEERING TECHNOLOGY R & D Co.,Ltd. |
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