CN107676032A - Moushroom valve formula composite impact mechanism - Google Patents
Moushroom valve formula composite impact mechanism Download PDFInfo
- Publication number
- CN107676032A CN107676032A CN201710788588.5A CN201710788588A CN107676032A CN 107676032 A CN107676032 A CN 107676032A CN 201710788588 A CN201710788588 A CN 201710788588A CN 107676032 A CN107676032 A CN 107676032A
- Authority
- CN
- China
- Prior art keywords
- moushroom valve
- impact mechanism
- formula composite
- tup
- composite impact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/02—Fluid rotary type drives
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
Abstract
The invention discloses a kind of moushroom valve formula composite impact mechanism, solves the problems, such as that auto-excitation type percussion tool part life is low under existing well.Moushroom valve assembly, tup and moushroom valve seat are specifically included, drilling fluid driving power system drives the rotation of moushroom valve assembly, produces axial-periodic pulse, drives tup hammering hammer seat to produce circumferential high-frequency percussion.The present invention combines fluid mechanics principle and theory of elastic mechanics, and the moushroom valve formula composite impact mechanism of design is excited using dynamical system, can not only produce circumferential high-frequency percussion, axial high frequency waterpower pulse shock can also be produced, Element Design space layout is reasonable, few easy workout part, lifetime of system length.
Description
Technical field
The present invention relates to oilfield drilling field, specifically a kind of underground auto-excitation type percussion tool.
Background technology
The present widest helicoid hydraulic motor of field use is using drilling fluid as power, and liquid pressure energy is converted into mechanical energy
Positive displacement mud motor, cause part to cross heat ageing due to rubber parts inside actuating unit be present, influence life tools.
The invention of triumph drilling well research institute torsional impact drilling tool (CN 102454364 A), Northeast Petroleum University invention high frequency it is low
Width axial impact device (CN 103821452 A), by fluid driving power mechanism, circumferential high-frequency percussion is produced, improves power auger
Speed.Both are that auto-excitation type impact assembly excites without dynamical system, thus compact-sized, but the part longevity under the conditions of phase same material
Order low.
The content of the invention
The present invention provides a kind of moushroom valve formula composite impact mechanism, for solving the auto-excitation type percussion tool part longevity under existing well
Order the problem of low.
For achieving the above object, the technical solution adopted by the present invention is：A kind of moushroom valve formula composite impact mechanism, including
Moushroom valve assembly, tup and moushroom valve seat, drilling fluid driving power system drive the rotation of moushroom valve assembly, produce axial-periodic pulse, band
Dynamic tup hammering hammer seat produces circumferential high-frequency percussion, improves drilling machinery so as to aid in drill bit broken rock, while protecting drill bit and bores
Speed.
Preferably, the moushroom valve assembly, including upper moushroom valve and lower moushroom valve, the upper moushroom valve are a disk with hollow shaft,
Hollow shaft is laterally provided with the first oblique circular hole, and disk is provided with flowing hole on drilling fluid；The lower moushroom valve is provided with two and upper mistake
Lower flowing hole corresponding to discharge orifice shape, and be provided between two lower flowing holes to deserving to be called groove, lower moushroom valve is worn by center portion circular hole
It is connected in moushroom valve hollow shaft.
Further preferably, the first oblique circular hole that hollow shaft is laterally provided with is with hollow shaft into 60 °.
Further preferably, the upper flowing hole, lower flowing hole are elliptical aperture.
Further preferably, two lower flowing holes are distributed into 92.5 °.
Preferably, the moushroom valve formula composite impact mechanism also includes flow guiding disc, and the flow guiding disc is provided with two symmetrically
Deep-slotted chip breaker, symmetrically lower groove is provided between two symmetrical deep-slotted chip breakers, symmetrically lower groove is consistent with to deserving to be called groove, and flow guiding disc is justified by center portion
Hole, which is worn, to be connected in moushroom valve hollow shaft.
Further preferably, the shape of the deep-slotted chip breaker is in 92.5 ° of distributions.
Preferably, the tup, there is two arc wings, and hammer shaft top is provided with upper counterbore, and upper counterbore root is provided with the
Two oblique circular holes, hammer shaft bottom are provided with lower counterbore, internal preparation piece；Tup wing penetrates flow guiding disc deep-slotted chip breaker, the tup heart
Axle coordinates with flow guiding disc.
Further preferably, the arc wing is 60 ° of arcs.
Further preferably, the second oblique circular hole and hammer shaft are into 60 °, and the second oblique circular hole and the first oblique circular hole of upper moushroom valve
Area of passage is consistent.
Preferably, the moushroom valve seat is provided with fan groove, and moushroom valve seat center is provided with counterbore, tup by a pair of composite sheets with
Moushroom valve seat counterbore coordinates.
Further preferably, fan groove is distributed into 92.5 °.
Preferably, the moushroom valve formula composite impact mechanism also includes lower dental inlay, and the lower dental inlay includes upper and lower two ladders
Shoulder, upper shoulder thickness and flow guiding disc consistency of thickness, lower shoulder thickness are consistent with tup spindle height.
The lower tooth is packed with shoulder, and symmetrically upper groove, flow guiding disc symmetrically descend groove to wear company with lower moushroom valve.
Invention effect：
The present invention has advantages below compared with prior art：
1）Beater mechanism of the present invention is excited using dynamical system, and Element Design space layout is reasonable, few easy workout part, lifetime of system
It is long；
2）Beater mechanism of the present invention can be used cooperatively with turbine power system, screw rod dynamical system etc., to field apparatus without any
Particular/special requirement, applied in deep ＆ ultra-deep well, can effectively reduce bit wear, improve rate of penetration；
3）The present invention can not only produce circumferential high-frequency percussion, can also produce axial high frequency waterpower arteries and veins under the driving of dynamical system
Hit in a state of excitement.
Brief description of the drawings
By below with reference to description of the accompanying drawing to the embodiment of the present invention, above-mentioned and other purpose of the invention, feature and
Advantage is apparent, in the accompanying drawings：
Fig. 1 is the structural representation of the moushroom valve formula composite impact mechanism of the embodiment of the present invention.
Fig. 2A is upper moushroom valve schematic diagram in Fig. 1.
Fig. 2 B are A-A views in Fig. 2A.
Fig. 3 A are lower moushroom valve schematic diagram in Fig. 1.
Fig. 3 B are A-A views in Fig. 3 A.
Fig. 4 is flow guiding disc schematic diagram in Fig. 1.
Fig. 5 A are tup schematic diagram in Fig. 1.
Fig. 5 B are Fig. 5 A longitudinal section.
Fig. 5 C are C-C views in Fig. 5 B.
Fig. 6 A are Fig. 1 mid-game valve seat schematic diagrames.
Fig. 6 B are Fig. 6 A top view.
Fig. 7 A are lower dental inlay schematic diagram in Fig. 1.
Fig. 7 B are Fig. 7 A side view.
Embodiment
Below based on embodiment, present invention is described, but what deserves to be explained is, the present invention is not limited to these embodiments.
Below to the present invention detailed description in, it is detailed to describe some specific detail sections.However, for no detailed description
Part, those skilled in the art can also understand the present invention completely.
In addition, it should be understood by one skilled in the art that the accompanying drawing provided simply to illustrate that the purpose of the present invention,
Feature and advantage, accompanying drawing are not to be actually drawn to scale.
Meanwhile unless the context clearly requires otherwise, the otherwise " comprising " in entire disclosure and claims, "comprising" etc.
Similar word should be construed to the implication included rather than exclusive or exhaustive implication；That is, it is " including but not limited to "
Implication.
As shown in Figure 1：A kind of moushroom valve formula composite impact mechanism, including upper moushroom valve 1, lower moushroom valve 2, flow guiding disc 3, tup 4, under
Dental inlay 5, PDC composite sheets and moushroom valve seat 7, drilling fluid driving power system drive upper moushroom valve 1 and lower moushroom valve 2 to rotate, produced axially
Recurrent pulse, drive tup 4 to hammer moushroom valve seat 7 and produce circumferential high-frequency percussion, so as to aid in drill bit broken rock, while protecting drill bit
Improve drilling machinery drilling speed.
As shown in Fig. 2A combination Fig. 2 B, the upper moushroom valve 1 is a disk with hollow shaft, and it is oblique that hollow shaft is laterally provided with first
Circular holea, oblique circular holeaAnd the pressure drop needed for of hollow shaft area of passage designs, disk is provided with flowing hole on drilling fluidB,Its mistake
Flow area flow design needed for.
As shown in Fig. 3 A combination Fig. 3 B, the lower moushroom valve 2 is provided with lower flowing hole corresponding with upper excessively stream hole shapecUnder and
Flowing holed, and be provided between two lower flowing holes to deserving to be called groovee, lower moushroom valve 2 is worn by center portion circular hole is connected in upper moushroom valve 1
In hollow shaft.
Further, the first oblique circular hole that hollow shaft is laterally provided withaWith hollow shaft into 60 °.
Further, the upper flowing holeb, lower flowing holec, lower flowing holedIt is elliptical aperture.
Further, two lower flowing holes are distributed into 92.5 °.
As shown in Figure 4：The flow guiding disc 3, it which is provided with two symmetrical deep-slotted chip breakersf, two symmetrical deep-slotted chip breakersfBetween set
There is symmetrically lower grooveg, symmetrically descend groovegWith to deserving to be called grooveeUnanimously, flow guiding disc 3 wears the hollow shaft for being connected in upper moushroom valve 1 by center portion circular hole
On.
Further, the deep-slotted chip breakerfShape according to the lower flowing hole on lower moushroom valve 2c,dDesign, in 92.5 ° of distributions.
As shown in Fig. 5 A, Fig. 5 B and Fig. 5 C：The tup 4, there are two arc wingsh, hammer shaft top is provided with upper counterbore,
Upper counterbore root is provided with the second oblique circular holei, hammer shaft bottom is provided with lower counterborel, PDC composite sheets 6 are inlayed in inside；Tup wing is worn
Enter flow guiding disc deep-slotted chip breaker, tup mandrel coordinates with flow guiding disc.
Further, the arc winghFor 60 ° of arcs.
Further, the second oblique circular hole and hammer shaft are into 60 °, and the second oblique circular holeiWith the first oblique circular hole of upper moushroom valve 1a
Area of passage it is consistent.
As shown in Fig. 6 A and Fig. 6 B：The moushroom valve seat 7 is provided with fan groovem, moushroom valve seat center is provided with counterbore, and tup 4 is logical
A pair of composite sheets 6 are crossed with moushroom valve seat counterbore to coordinate.
Further, fan groovemInto 92.5 ° of distributions.
As shown in Fig. 7 A and Fig. 7 B：The lower dental inlay 5, include upper and lower two stepped landsj、k, upper shoulderjThickness is with leading
The consistency of thickness of flow table 3, lower shoulderkThickness is consistent with the spindle height of tup 4.
The lower tooth is packed with shoulderjGroove is symmetrically gone up with lower moushroom valvee, flow guiding disc symmetrically descend groovegThe company of wearing.
During oil gas well drilling, upper moushroom valve 1 is driven to rotate by drilling fluid actuating unit.When excessively stream on upper moushroom valve 1
HolebWith flowing hole under two ellipses on lower moushroom valve 2c、dWhen misaligned, drilling fluid passes through the first oblique circular holeaBy hollow shaft,
By the second oblique circular hole on tup 5iOutflow, passes through the fan groove on moushroom valve seat 7mPut on drill bit.
Upper flowing hole on upper moushroom valve 1bWith flowing hole under the ellipse on lower moushroom valve 2cDuring coincidence, flow channelsb-c
Open, the arc wing that drilling fluid passes through channel impulse tup 5h, drive the rotate counterclockwise of tup 5 to produce high-frequency percussion power, lead to
The fan groove crossed on moushroom valve seat 7mPut on drill bit.When flowing hole on upper moushroom valve 1bWith the lower flowing hole of ellipse on lower moushroom valve 2d
During coincidence, flow channelsb-dOpen, the arc wing that drilling fluid passes through channel impulse tup 5h, drive tup 5 to turn clockwise
High-frequency percussion power is produced, passes through the fan groove on moushroom valve seat 7mPut on drill bit.Flow channelsb-cWithb-dCycle, which opens, closes
Generation recurrent pulses are closed, drive tup 5 to move reciprocatingly, by changing the wing both sides spatial volume of tup 5, change two effluents
Body pressure difference, produce waterpower pulse.
Under the collective effect of circumferential high-frequency percussion and axial waterpower pulse, drill bit remains continuous with shaft bottom all the time
High frequency is cut, and shear efficiency significantly improves.
Embodiment described above only expresses embodiments of the present invention, and its description is more specific and detailed, but can not
Therefore it is interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that to those skilled in the art,
On the premise of not departing from present inventive concept, some deformations, equal replacement can also be made, improved etc., these belong to the present invention
Protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of moushroom valve formula composite impact mechanism, including moushroom valve assembly, tup and hammer seat, it is characterised in that：Drilling fluid driving is dynamic
Force system drives the moushroom valve rotation, produces axial-periodic pulse, drives the tup hammering hammer seat to produce circumferential high frequency
Impact.
2. moushroom valve formula composite impact mechanism according to claim 1, it is characterised in that：The moushroom valve assembly, including upper disk
Valve and lower moushroom valve, the upper moushroom valve are a disk with hollow shaft, and hollow shaft is laterally provided with the first oblique circular hole, and disk, which is provided with, to be bored
Flowing hole in well liquid；The lower moushroom valve is provided with two lower flowing holes corresponding with upper excessively stream hole shape, and in two lower excessively streams
It is provided between hole to deserving to be called groove, lower moushroom valve is worn by center portion circular hole to be connected in upper moushroom valve hollow shaft.
3. moushroom valve formula composite impact mechanism according to claim 2, it is characterised in that：The hollow shaft be laterally provided with
One oblique circular hole is with hollow shaft into 60 °；The upper flowing hole, lower flowing hole are elliptical aperture, and two lower flowing holes are into 92.5 °
Distribution.
4. moushroom valve formula composite impact mechanism according to claim 1, it is characterised in that：The moushroom valve formula composite impact mechanism
Also including flow guiding disc, the flow guiding disc is provided with two symmetrical deep-slotted chip breakers, and symmetrically lower groove is provided between two symmetrical deep-slotted chip breakers,
Symmetrically lower groove is consistent with to deserving to be called groove, and flow guiding disc is worn by center portion circular hole to be connected in upper moushroom valve hollow shaft.
5. moushroom valve formula composite impact mechanism according to claim 4, it is characterised in that：The shape of the deep-slotted chip breaker is in
92.5 ° distribution.
6. moushroom valve formula composite impact mechanism according to claim 1, it is characterised in that：The tup, there are two curved knifes
The wing, hammer shaft top are provided with upper counterbore, and upper counterbore root is provided with the second oblique circular hole, and hammer shaft bottom is provided with lower counterbore, inside edge
Embedding composite sheet；Tup wing penetrates flow guiding disc deep-slotted chip breaker, and tup mandrel coordinates with flow guiding disc.
7. moushroom valve formula composite impact mechanism according to claim 6, it is characterised in that：The arc wing is 60 ° of arcs, the
Two oblique circular holes and hammer shaft are into 60 °, and the second oblique circular hole is consistent with the area of passage of the first oblique circular hole of upper moushroom valve.
8. moushroom valve formula composite impact mechanism according to claim 1, it is characterised in that：The moushroom valve seat is provided with sector
Groove, moushroom valve seat center are provided with counterbore, and tup is coordinated by a pair of composite sheets and moushroom valve seat counterbore.
9. moushroom valve formula composite impact mechanism according to claim 8, it is characterised in that：The fan groove is distributed into 92.5 °.
10. moushroom valve formula composite impact mechanism according to claim 1, it is characterised in that：The moushroom valve formula composite impact machine
Structure also includes lower dental inlay, and the lower dental inlay includes upper and lower two stepped lands, upper shoulder thickness and flow guiding disc consistency of thickness, under
Shoulder thickness is consistent with tup spindle height；The lower tooth is packed with shoulder, and symmetrically upper groove, flow guiding disc symmetrically descend groove to wear with lower moushroom valve
Even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710788588.5A CN107676032A (en) | 2017-09-05 | 2017-09-05 | Moushroom valve formula composite impact mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710788588.5A CN107676032A (en) | 2017-09-05 | 2017-09-05 | Moushroom valve formula composite impact mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107676032A true CN107676032A (en) | 2018-02-09 |
Family
ID=61135098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710788588.5A Pending CN107676032A (en) | 2017-09-05 | 2017-09-05 | Moushroom valve formula composite impact mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107676032A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305747A (en) * | 2019-10-22 | 2020-06-19 | 大庆石油管理局有限公司 | Novel self-excited impact mechanism |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2044939A5 (en) * | 1969-05-23 | 1971-02-26 | Stenuick Freres | |
| SU1745850A1 (en) * | 1988-09-26 | 1992-07-07 | А.Б.Кушелевич, Д.И.Карабаш и А.П.Репьев | Hydraulic percussive machine |
| CN201730549U (en) * | 2010-04-19 | 2011-02-02 | 大庆石油管理局 | Disc valve revolving drilling tool |
| CN105239929A (en) * | 2015-11-24 | 2016-01-13 | 西南石油大学 | Downhole tool for achieving efficient rock breaking through spin vibration |
| CA2832212C (en) * | 2011-04-08 | 2016-06-21 | National Oilwell Varco, L.P. | Drilling motor valve and method of using same |
| CN205558849U (en) * | 2016-03-21 | 2016-09-07 | 西南石油大学 | Utilize turbine to produce downhole tool of shock oscillation |
-
2017
- 2017-09-05 CN CN201710788588.5A patent/CN107676032A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2044939A5 (en) * | 1969-05-23 | 1971-02-26 | Stenuick Freres | |
| SU1745850A1 (en) * | 1988-09-26 | 1992-07-07 | А.Б.Кушелевич, Д.И.Карабаш и А.П.Репьев | Hydraulic percussive machine |
| CN201730549U (en) * | 2010-04-19 | 2011-02-02 | 大庆石油管理局 | Disc valve revolving drilling tool |
| CA2832212C (en) * | 2011-04-08 | 2016-06-21 | National Oilwell Varco, L.P. | Drilling motor valve and method of using same |
| CN105239929A (en) * | 2015-11-24 | 2016-01-13 | 西南石油大学 | Downhole tool for achieving efficient rock breaking through spin vibration |
| CN205558849U (en) * | 2016-03-21 | 2016-09-07 | 西南石油大学 | Utilize turbine to produce downhole tool of shock oscillation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305747A (en) * | 2019-10-22 | 2020-06-19 | 大庆石油管理局有限公司 | Novel self-excited impact mechanism |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180209 |
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| RJ01 | Rejection of invention patent application after publication |