CN106812461B - Fluid power axially promotes churn drilling tools and fluid power axially to promote impact method - Google Patents
Fluid power axially promotes churn drilling tools and fluid power axially to promote impact method Download PDFInfo
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- CN106812461B CN106812461B CN201610099032.0A CN201610099032A CN106812461B CN 106812461 B CN106812461 B CN 106812461B CN 201610099032 A CN201610099032 A CN 201610099032A CN 106812461 B CN106812461 B CN 106812461B
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- 239000012530 fluid Substances 0.000 title claims abstract description 177
- 238000005553 drilling Methods 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000033001 locomotion Effects 0.000 claims description 17
- 230000009471 action Effects 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims 1
- 238000004080 punching Methods 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 10
- 230000035515 penetration Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
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- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
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Abstract
A kind of fluid power of present invention offer axially promotes churn drilling tools and fluid power, and axially propulsion impact method, drilling tool include：Axial fluid cylinder assembly (1) and rotating impact device assembly (2)；The axial direction fluid cylinder assembly (1) is set to the top of the rotating impact device assembly (2), and the axial direction fluid cylinder assembly (1) includes fluid cylinder group (101) and push rod group (102)；The end of the push rod group (102) is fixedly connected with the rotating impact device assembly (2), and energy is pressed for providing axial stepping fluid power flexibility to the rotating impact device assembly (2).Fluid power provided by the invention axially promotes churn drilling tools, it the axial of flexible bit pressure can be provided for a kind of existing rotary impact function and to drill bit promotes churn drilling tools, the drilling tool drilling efficiency is high and rate of penetration is high, it can solve the problems, such as that the wells difficulty such as horizontal well, extended reach well, long horizontal sections, labyrinth is bored, earth boring bit broken rock energy is insufficient, solve the problems, such as to drag pressure, drill chuck cunning, bit bouncing.
Description
Technical field
The invention belongs to drilling technology fields, and in particular to a kind of fluid power is axial to promote churn drilling tools and fluid power axially to push away
Into impact method.
Background technology
With the emergence of deep-well, ultradeep well, Holes of Complicated Wells, horizontal well, extended reach well, equipped not in original conventional drilling
In the case of change, for bad ground, since long horizontal sections frictional resistance is big, it is difficult to transmit bit pressure, a large amount of energy expenditure is thousands of
In the complex vibration of rice top drilling tool, thus cause slow rate of penetration, drill bit broken rock energy deficiency and problem accident more, therefore,
Drill bit safety, the difficulty of quick drill up to target zone are increasing.
Although since 2010, rotating impact device (turn round and rush tool) is gradually ripe at home, it utilizes drilling fluid
Energy provides the rotary impact broken rock energy supply of high frequency in the place nearest apart from drill bit for drill bit, meets the broken of PDC drill bit
Rock principle is conducive to stablize drilling process and protection drill bit.But it does not act on load transfer, therefore, rotating impact device
It is only used at present in straight well section.On the other hand, in terms of load transfer, though there is the tool (axial vibration of spinning of national oil well (NOV)
Motor) axial impact of certain frequency can be generated, horizontal well has certain effect, but axial impact so that PDC drill bit is compound
Piece is easily damaged, the lost of life of conventional PDC drill bit, and cost-effectiveness is cancelled out each other.Therefore, the productions such as horizontal well, extended reach well
Well is badly in need of exploitation and carries effect tool equipment.
Invention content
In view of the defects existing in the prior art, a kind of fluid power of present invention offer axially promotes churn drilling tools and fluid power axial
Impact method is promoted, can effectively be solved the above problems.
The technical solution adopted by the present invention is as follows：
The present invention provides a kind of fluid power axial direction propulsion churn drilling tools, including：Axial fluid cylinder assembly (1) and rotating impact device are total
At (2)；The axial direction fluid cylinder assembly (1) is set to the top of the rotating impact device assembly (2), the axial direction fluid cylinder assembly
(1) include fluid cylinder group (101) and push rod group (102)；The end of the push rod group (102) and the rotating impact device assembly (2)
It is fixedly connected, energy is pressed for providing axial stepping fluid power flexibility to the rotating impact device assembly (2).
Preferably, the fluid cylinder group (101) includes top connection (1011), fluid cylinder (1012), inlet opening (1013) and deck
(1014)；The push rod group (102) includes piston (1021), mesoporous (1022), torsion push rod (1023) and deflector hole (1024)；
Wherein, the top connection (1011) is arranged in the upper end of the fluid cylinder (1012), and the top connection (1011) is for solid
Dingan County loads onto portion's drilling tool, and forms higher-pressure region；In addition, the top connection (1011) and the upper cavity of the fluid cylinder (1012) connect
Logical, the piston (1021) is placed in the cavity of the fluid cylinder (1012), and the top of the piston (1021) is made to be made by high pressure
With；The lower end of the piston (1021) is fixedly connected with the upper end of the torsion push rod (1023), also, the torsion push rod
(1023) lower end passes through the cavity of the fluid cylinder (1012) and extends to the outsides of the fluid cylinder (1012), and with the rotation
Impactor assembly (2) is fixedly connected；
In addition, the deck (1014), the deck (1014) and institute are arranged at the bottom opening of the fluid cylinder (1012)
It states and forms the inlet opening (1013) between fluid cylinder (1012), i.e.,：The inlet opening (1013) is connected to the fluid cylinder (1012)
Lower cavity and annular space make the bottom of the piston (1021) be acted on by low pressure；Also, the deck (1014) opens up useful
In the through-hole for making the torsion push rod (1023) pass through, the through-hole is equipped with for making the deck (1014) and the torsion
The connector that push rod (1023) mutually fastens, for transmitting torque；
The top of the piston (1021) is acted on by high pressure, and bottom is acted on by low pressure, and pressure difference pushes the piston
(1021) downward movement and low-pressure area is squeezed, until when moving to piston cut-off position, closes the inlet opening (1013)；Then,
Top drilling tool pushes the whole downward movement of fluid cylinder group (101), ends position until moving to fluid cylinder, inlet opening (1013) is opened at this time
It opens, piston (1021) downward movement again under the action of pressure difference, so move in circles axial propulsion；
The piston (1021) and the torsion push rod (1023) offer the mesoporous (1022) being mutually communicated in the axial direction,
The mesoporous (1022) is connected to fluid cylinder (1012) cavity above the piston (1021), makes the mesoporous (1022) shape
At higher-pressure region；The bottom of the torsion push rod (1023) opens up the deflector hole being connected with the mesoporous (1022)
(1024), the deflector hole (1024) is made to form higher-pressure region；
The high-pressure fluid of deflector hole (1024) output is for driving the rotating impact device assembly (2) to carry out high frequency rotation
Turn ballistic motion.
Preferably, the axial fluid cylinder assembly (1) is n grades of axial fluid cylinder assemblies, wherein n is natural number；
Described n grades axial fluid cylinder assembly includes concatenated 1st grade axial fluid cylinder assembly, the 2nd grade of axial fluid cylinder assembly ... n-th
The axial fluid cylinder assembly of grade；The axial fluid cylinder assemblies at different levels include fluid cylinder group (101) and push rod group (102)；The 1st grade of axis
It is used to be fixedly connected with top drilling tool to fluid cylinder assembly；The end of the push rod group (102) of described n-th grade axial fluid cylinder assembly and institute
It states rotating impact device assembly (2) to be fixedly connected, for providing axial stepping fluid power flexibility pressure to the rotating impact device assembly (2)
Hold energy.
Preferably, the rotating impact device assembly (2) includes outer barrel (201), rotary impact hammer (202), rotation inner sleeve
(203) and lower contact (204)；
Wherein, the outer barrel (201), the rotary impact hammer (202) and the rotation inner sleeve (203) are hollow cylinder
Structure, in the inside of the outer barrel (201), the rotation inner sleeve (203) coaxially sets for rotary impact hammer (202) coaxial arrangement
It is placed in the inside of the rotary impact hammer (202), the torsion on the top of the outer barrel (201) and the axial fluid cylinder assembly (1)
Push rod (1023) is fixedly connected, and the lower contact (204), the lower contact (204) is fixedly mounted in the bottom end of the outer barrel (201)
For lower drilling tool to be fixedly mounted.
Preferably, outer barrel (201) inner surface offers the 1st axial groove (2011) and the 2nd axial groove (2012)；
The rotary impact hammer (202) includes jump bit hollow cylinder, and is symmetrically disposed on the jump bit open tubular column
Outer hammer (2021) at left and right sides of body and interior hammer (2022)；Wherein, described outer hammer (2021) both sides have the 1st export-oriented hole
(2023) and the 2nd export-oriented hole (2024)；Described interior hammer (2022) both sides have interior to hole to hole (2025) and the 2nd in the 1st
(2026)；
The rotation inner sleeve (203) includes inner sleeve hollow cylinder, and the external cylindrical surface of the inner sleeve hollow cylinder is equipped with the 1st diameter
To support (2031), the 2nd radial support (2032) and evagination (2033), the evagination (2033) offers radial through-hole
(2034)；
The lower contact (204) include lower part connection button (2041), top coupling part (2042), tap hole (2043) and
Discharge orifice (2044)；The lower part connection button (2041) with lower drilling tool for being fixedly connected, the top coupling part
(2042) it is fixedly connected with the outer barrel (201).
Preferably, the 1st axial groove (2011) and the 2nd axial groove (2012) of the outer barrel (201) and the push rod group
(102) deflector hole (1024) communicates, and belongs to higher-pressure region；To hole and the 1st axial groove (2011) in one of the interior hammer (2022)
Or the 2nd axial groove (2012) communicate to form higher-pressure region, and the interior hammer (2022) another in hole and the discharge orifice
(2044) it communicates to form low-pressure area, interior hammer pressure at both sides difference driving rotation inner sleeve (203) is opposite in rotary impact hammer (202) to be turned
It is dynamic；
The export-oriented hole of described outer hammer (2021) side communicates to form high pressure with the radial through-hole (2034) of rotation inner sleeve (203)
Area, and hammer the export-oriented hole of (2021) other side into shape outside and discharge orifice (2044) communicates to form low-pressure area, outer hammer pressure at both sides difference driving
Rotary impact hammer (202) relatively rotates in outer barrel (201).
The present invention also provides a kind of fluid power axially to promote impact method, includes the following steps：
When work, drilling fluid enters top connection through top drilling tool, then is flowed into fluid cylinder, the top of piston (1021) and liquid
Cylinder communicates, and forms higher-pressure region；And the bottom of piston (1021) is connected to the low-pressure area of annular space, upper and lower pressure difference pushes piston
(1021) downlink squeezes low-pressure area, until moving to piston cut-off position, closes inlet opening (1013)；Then, top drilling tool pushes
Fluid cylinder group (101) entirety downward movement ends position until moving to fluid cylinder, and inlet opening (1013) is opened at this time, piston (1021)
The downward movement again under the action of pressure difference, axial promote of so moving in circles provide axial fluid power flexible drilling pressure to drill bit；
At the same time, cleaner for high-pressure drilling fluid flows through rotating impact device assembly (2), outer barrel through mesoporous (1022) and deflector hole
(201) the 1st axial groove (2011) and the 2nd axial groove (2012) is communicated with the deflector hole (1024) of push rod group (102), belongs to high pressure
Area；It communicates to form higher-pressure region with the 1st axial groove (2011) or the 2nd axial groove (2012) to hole in one of interior hammer (2022), and
It communicates to form low-pressure area with discharge orifice (2044) to hole in another of interior hammer (2022), in interior hammer pressure at both sides difference driving rotation
(203) are covered to relatively rotate in rotary impact hammer (202)；
The export-oriented hole of outer hammer (2021) side communicates to form higher-pressure region with the radial through-hole (2034) of rotation inner sleeve (203),
And hammer the export-oriented hole of (2021) other side into shape outside and discharge orifice (2044) communicates to form low-pressure area, outer hammer pressure at both sides difference driving rotation
Jump bit (202) relatively rotates in outer barrel (201)；
It is thus achieved that the circumference that rotary impact hammer (202) does certain frequency under the action of drilling fluid moves back and forth, give
Drill bit provides endlessly high-frequency rotating impact energy.
Fluid power provided by the invention axially promotes churn drilling tools and fluid power axially impact method to be promoted to has the following advantages：
Fluid power provided by the invention axially promotes churn drilling tools, can carry for a kind of existing rotary impact function and to drill bit
Axial for flexible bit pressure promotes churn drilling tools, and the drilling tool drilling efficiency is high and rate of penetration is high, can solve horizontal well, big position
Move well, long horizontal sections, the wells difficulty such as labyrinth bore, the problem of earth boring bit broken rock energy deficiency, solution drag pressure, drill chuck cunning,
The problem of bit bouncing.
Description of the drawings
Fig. 1 is the diagrammatic cross-section that fluid power provided by the invention axially promotes churn drilling tools；
It is marked in figure：1- axial direction fluid cylinder assemblies；2- rotating impact device assemblies；101- fluid cylinder groups；102- push rod groups；Outside 201-
Cylinder；202- rotary impact hammers；203- rotates inner sleeve；204- lower contacts；1011- top connections；1012- fluid cylinders；1013- inlet openings；
1014- decks；1021- pistons；1022- mesoporous；1023- reverses push rod；1024- deflector holes；The lower parts 2041- connection button；2042-
Top coupling part；2043- tap holes；2044- discharge orifices；
Fig. 2 is the Section X-X figure of Fig. 1, is also K-K sectional views, H-H sectional views in Fig. 7 two-stage fluid cylinder assembly diagrams；
Fig. 3 is the Y-Y sectional views a of Fig. 1；
It is marked in figure：The 1st axial grooves of 2011-；The 2nd axial grooves of 2012-；
Fig. 4 is the Y-Y sectional views b of Fig. 1；
It is marked in figure：The 1st axial grooves of 2011-；The 2nd axial grooves of 2012-；
Fig. 5 is the Y-Y sectional views of the rotary impact hammer provided in Fig. 1；
It is marked in figure：It is hammered into shape outside 2021-；Hammer in 2022-；The export-oriented holes 2023- the 1st；The export-oriented holes 2024- the 2nd；In 2025- the 1st
Xiang Kong；To hole in 2026- the 2nd；
Fig. 6 is the Y-Y sectional views of the rotation inner sleeve provided in Fig. 1；
It is marked in figure：The 1st radial supports of 2031-；The 2nd radial supports of 2032-；2033- evaginations；2034- radial through-hole；
Fig. 7 is two-stage fluid cylinder assembly diagram provided by the invention；
1012A- level-one fluid cylinders；1021A- first stage pistons；1031A- level-one fluid cylinder inlet openings；1014A- level-one decks；
1023A- level-ones reverse push rod；1012B- two level fluid cylinders；1021B- second pistons；1031B- two level fluid cylinder inlet openings；1014B-
Two level deck；1023B- two levels reverse push rod.
Specific implementation mode
In order to make the technical problems, technical solutions and beneficial effects solved by the present invention be more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein only to
It explains the present invention, is not intended to limit the present invention.
The present invention provides a kind of fluid power axial direction propulsion churn drilling tools, mainly total by axial fluid cylinder assembly 1 and rotating impact device
It is formed at 2 two parts.The present invention using drilling fluid or fluid simultaneously driving axial fluid cylinder be axially moved, rotating impact device into
Row circumference reciprocating impact move so that tool can to drill bit provide rotary impact broken rock energy and along drillstring axis it is downward
It gives drill bit to provide flexible bit pressure, can solve that deep-well, ultradeep well, horizontal well, extended reach well rate of penetration be slow, load transfer obstacle
The problems such as, Simultaneous Stabilization drilling process, protection simultaneously extend bit life.
Specifically, in conjunction with Fig. 1, the present invention provides a kind of fluid power axial direction propulsion churn drilling tools, including：Axial fluid cylinder assembly 1
With rotating impact device assembly 2；Axial fluid cylinder assembly 1 is set to the top of rotating impact device assembly 2, and axial fluid cylinder assembly 1 includes
Fluid cylinder group 101 and push rod group 102；The end of push rod group 102 is fixedly connected with rotating impact device assembly 2, is used for rotary impact
Device assembly 2 provides axial stepping fluid power flexibility pressure holding energy.
Axial fluid cylinder assembly 1 and rotating impact device assembly 2 are introduced individually below：
(1) axial fluid cylinder assembly
Axial fluid cylinder assembly 1 includes fluid cylinder group 101 and push rod group 102, wherein fluid cylinder group 101 includes top connection 1011, liquid
Cylinder 1012, inlet opening 1013 and deck 1014；Push rod group 102 includes piston 1021, mesoporous 1022, torsion push rod 1023 and water conservancy diversion
Hole 1024；
Wherein, top connection 1011 is arranged in the upper end of fluid cylinder 1012, and top connection 1011 is for being fixedly mounted top drilling tool, top
Drilling tool includes but not limited to the tops such as drill collar, drilling rod or drill string drilling tool, and forms higher-pressure region；In addition, top connection 1011 and fluid cylinder
1012 upper cavity connection, piston 1021 are placed in the cavity of fluid cylinder 1012, and the top of piston 1021 is made to be acted on by high pressure；
The lower end of piston 1021 is fixedly connected with the upper end of torsion push rod 1023, also, the lower end for reversing push rod 1023 passes through fluid cylinder
1012 cavity and the outside for extending to fluid cylinder 1012, and be fixedly connected with rotating impact device assembly 2；
In addition, deck 1014 is arranged at the bottom opening of fluid cylinder 1012, feed liquor is formed between deck 1014 and fluid cylinder 1012
Hole 1013, i.e.,：Inlet opening 1013 is connected to the lower cavity and annular space of fluid cylinder 1012, and the bottom of piston 1021 is made to be made by low pressure
With；Also, deck 1014 offers the through-hole for making torsion push rod 1023 pass through, and through-hole is equipped with for making 1014 He of deck
The connector that torsion push rod 1023 mutually fastens, with reference to figure 2, respectively uses key connecting, quadrangular, five for transmitting torque
Prism, hexagonal prisms structure are realized and transmit torque.
As it can be seen that the top of piston 1021 is acted on by high pressure, bottom is acted on by low pressure, and pressure difference pushes under piston 1021
Row moves and squeezes low-pressure area, until when moving to piston cut-off position, closes inlet opening 1013；Then, top drilling tool pushes liquid
The whole downward movement of cylinder group 101 ends position until moving to fluid cylinder, and inlet opening 1013 is opened at this time, and piston 1021 is in pressure difference
Downward movement again under effect, so move in circles axial propulsion；
Piston 1021 and torsion push rod 1023 offer the mesoporous 1022 being mutually communicated in the axial direction, mesoporous 1022 be located at
1012 cavity of the fluid cylinder connection of 1021 top of piston, makes mesoporous 1022 form higher-pressure region；Torsion push rod 1023 bottom open up with
The deflector hole 1024 that mesoporous 1022 is connected makes deflector hole 1024 form higher-pressure region；
The high-pressure fluid that deflector hole 1024 exports is for driving rotating impact device assembly 2 to carry out high-frequency rotating ballistic motion.
For axial fluid cylinder assembly 1 provided by the invention, n grades of axial fluid cylinder assemblies can be used, wherein n is natural number；n
The axial fluid cylinder assembly of grade includes that concatenated 1st grade axial fluid cylinder assembly, the 2nd grade of axial axial fluid cylinder of n-th grade of fluid cylinder assembly ... are total
At；Axial direction fluid cylinder assemblies at different levels include fluid cylinder group 101 and push rod group 102；1st grade of axial fluid cylinder assembly is used for and top drilling tool
It is fixedly connected；The end of the push rod group 102 of n-th grade of axial fluid cylinder assembly is fixedly connected with rotating impact device assembly 2, is used for rotation
Turn impactor assembly 2 and axial stepping fluid power flexibility pressure holding energy is provided.
Be the schematic diagram for the two-stage axial direction fluid cylinder assembly that n is 2 with reference to figure 7, in the figure 7, level-one fluid cylinder 1012A outside, one
Including grade piston 1021A, two level fluid cylinder 1012B outside, including second piston 1021B, first stage piston 1021A and two level fluid cylinder
1012B one；Level-one fluid cylinder 1012A offers level-one fluid cylinder inlet opening 1013A, is connected to level-one fluid cylinder 1012A and annular space；Two level
Fluid cylinder 1012B offers two level fluid cylinder inlet opening 1013B, is connected to two level fluid cylinder 1012B and annular space；Level-one reverses push rod 1023A
Couple with level-one deck 1014A, sectional view is shown in that Fig. 2, two level torsion push rod 1023B couple with two level deck 1014B, and sectional view is shown in
Fig. 2.
(2) rotating impact device assembly
Rotating impact device assembly 2 includes outer barrel 201, rotary impact hammer 202, rotation inner sleeve 203 and lower contact 204；
Wherein, it is the assembling schematic diagram of outer barrel 201, rotary impact hammer 202, rotation inner sleeve 203, outside referring to Fig. 3 and Fig. 4
Cylinder 201, rotary impact hammer 202 and rotation inner sleeve 203 are hollow cylinder structure, and rotary impact hammer 202 is coaxially disposed in outer barrel
201 inside, for the coaxial arrangement of rotation inner sleeve 203 in the inside of rotary impact hammer 202, the top of outer barrel 201 and axial fluid cylinder are total
It is fixedly connected at 1 torsion push rod 1023, lower contact 204 is fixedly mounted in the bottom end of outer barrel 201, and lower contact 204 is pacified for fixed
Lower drilling tool is filled, for example, drill bit.
Specifically, 201 inner surface of outer barrel offers the 1st axial groove 2011 and the 2nd axial groove 2012；
Structural reference Fig. 5 of rotary impact hammer 202, including jump bit hollow cylinder, and it is symmetrically disposed on jump bit sky
Outer hammer 2021 at left and right sides of stem body and interior hammer 2022；Wherein, 2021 both sides of outer hammer have the 1st export-oriented hole 2023 and the
2 export-oriented holes 2024；2022 both sides of interior hammer have in the 1st into hole 2025 and the 2nd to hole 2026；
Structural reference Fig. 6 of inner sleeve 203 is rotated, including inner sleeve hollow cylinder, the external cylindrical surface of inner sleeve hollow cylinder are equipped with
1st radial support 2031, the 2nd radial support 2032 and evagination 2033, evagination 2033 offer radial through-hole 2034；
Lower contact 204 includes lower part connection button 2041, top coupling part 2042, tap hole 2043 and discharge orifice 2044；
For being fixedly connected with lower drilling tool, top coupling part 2042 is fixedly connected lower part connection button 2041 with outer barrel 201.
In the present invention, with reference to figure 3, Fig. 4, the 1st axial groove 2011 of outer barrel 201 and the 2nd axial groove 2012 and push rod group
102 deflector hole 1024 communicates, and belongs to higher-pressure region；To hole and the 1st axial groove 2011 or the 2nd axial groove in one of interior hammer 2022
2012 communicate to form higher-pressure region, and it is interior hammer 2022 another in communicate to form low-pressure area with discharge orifice 2044 to hole, it is interior hammer into shape two
Side pressure force difference driving rotation inner sleeve 203 relatively rotates in rotary impact hammer 202；
The export-oriented hole of 2021 sides of outer hammer communicates to form higher-pressure region with the radial through-hole 2034 of rotation inner sleeve 203, and hammers into shape outside
The export-oriented hole of 2021 other sides communicates to form low-pressure area with discharge orifice 2044, and outer hammer pressure at both sides difference drives rotary impact hammer 202
It is relatively rotated in outer barrel 201.
Fluid power provided by the invention axially promotes churn drilling tools, its working principle is that：
When work, drilling fluid enters top connection through top drilling tool, then is flowed into fluid cylinder, the top of piston 1021 and fluid cylinder
It communicates, forms higher-pressure region；And the bottom of piston 1021 is connected to the low-pressure area of annular space, upper and lower pressure difference pushes 1021 downlink of piston
Low-pressure area is squeezed, until moving to piston cut-off position, closes inlet opening 1013；Then, top drilling tool pushes fluid cylinder group 101 whole
Downward movement, until move to fluid cylinder end position, at this time inlet opening 1013 open, piston 1021 under the action of pressure difference again under
Row movement, axial promote of so moving in circles provide axial fluid power flexible drilling pressure to drill bit；
At the same time, cleaner for high-pressure drilling fluid flows through rotating impact device assembly 2 through mesoporous 1022 and deflector hole, and the 1st of outer barrel 201 the
Axial groove 2011 and the 2nd axial groove 2012 are communicated with the deflector hole 1024 of push rod group 102, belong to higher-pressure region；One of interior hammer 2022
It is interior to communicate with the 1st axial groove 2011 or the 2nd axial groove 2012 to hole and to form higher-pressure region, and it is interior hammer 2022 another in hole with
Discharge orifice 2044 communicates to form low-pressure area, and interior hammer pressure at both sides difference driving rotation inner sleeve 203 is opposite in rotary impact hammer 202 to be turned
It is dynamic；
The export-oriented hole of 2021 sides of outer hammer communicates to form higher-pressure region with the radial through-hole 2034 of rotation inner sleeve 203, and hammers into shape outside
The export-oriented hole of 2021 other sides communicates to form low-pressure area with discharge orifice 2044, and outer hammer pressure at both sides difference drives rotary impact hammer 202
It is relatively rotated in outer barrel 201.
It is thus achieved that the circumference that rotary impact hammer 202 does certain frequency under the action of drilling fluid moves back and forth, to brill
Head provides endlessly high-frequency rotating impact energy.Therefore, churn drilling tools, drill bit energy are axially promoted using the fluid power of the present invention
Enough rotary impact energy received from nearly drill bit certain frequency and axial fluid power flexibility press energy so that the well under thousands of rice
Subdrilling head can obtain more direct, effective broken rock power.
The present invention provides a kind of fluid power axial direction propulsion churn drilling tools, using hydraulic axial propulsion device and rotary impact device
Composite structure, has the following advantages：
1) there is the advantage for turning round the tool that rushes：First, providing high-frequency rotating rock fracture in dynamic indentation energy to drill bit；It is bored second is that stablizing
Into process, the transmission efficiency of top drilling tool broken rock energy is improved；Third, steady drill bit working face, promotes the broken rock effect of PDC drill bit
Fruit and wellbore quality, while protecting and extending drilling depth.
2) advantage that fluid cylinder axially promotes is had both：The effect of bit pressure is continuous pressure holding drill bit wedging stratum, therefore, in bit pressure
In terms of transmission, the composite sheet axial vibration mode that is easily damaged is not used, and utilizes the flexible chip hold down of drilling fluid hydraulic pressure steady
Automatic bit feed, balance, protection drill bit simultaneously effectively transmit bit pressure.
Above 2 advantages make the present invention in the deep-well in drilling engineering field, ultradeep well, horizontal well, extended reach well, answer
There is advantage in the speed-raising operation such as miscellaneous well.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
Depending on protection scope of the present invention.
Claims (6)
1. a kind of fluid power axially promotes churn drilling tools, which is characterized in that including：Axial fluid cylinder assembly (1) and rotating impact device are total
At (2)；The axial direction fluid cylinder assembly (1) is set to the top of the rotating impact device assembly (2), the axial direction fluid cylinder assembly
(1) include fluid cylinder group (101) and push rod group (102)；The end of the push rod group (102) and the rotating impact device assembly (2)
It is fixedly connected, energy is pressed for providing axial stepping fluid power flexibility to the rotating impact device assembly (2)；
Wherein, the fluid cylinder group (101) includes top connection (1011), fluid cylinder (1012), inlet opening (1013) and deck (1014)；
The push rod group (102) includes piston (1021), mesoporous (1022), torsion push rod (1023) and deflector hole (1024)；
Wherein, the top connection (1011) is arranged in the upper end of the fluid cylinder (1012), and the top connection (1011) is pacified for fixed
Portion's drilling tool is loaded onto, and forms higher-pressure region；In addition, the top connection (1011) is connected to the upper cavity of the fluid cylinder (1012),
The piston (1021) is placed in the cavity of the fluid cylinder (1012), and the top of the piston (1021) is made to be acted on by high pressure；
The lower end of the piston (1021) is fixedly connected with the upper end of the torsion push rod (1023), also, the torsion push rod
(1023) lower end passes through the cavity of the fluid cylinder (1012) and extends to the outsides of the fluid cylinder (1012), and with the rotation
Impactor assembly (2) is fixedly connected；
In addition, the deck (1014) is set at the bottom opening of the fluid cylinder (1012), the deck (1014) and the liquid
The inlet opening (1013) is formed between cylinder (1012), i.e.,：The inlet opening (1013) is connected to the lower part of the fluid cylinder (1012)
Cavity and annular space make the bottom of the piston (1021) be acted on by low pressure；Also, the deck (1014) offers for making
The through-hole that the torsion push rod (1023) passes through, the through-hole are equipped with for making the deck (1014) and the torsion push rod
(1023) connector mutually fastened, for transmitting torque；
The top of the piston (1021) is acted on by high pressure, and bottom is acted on by low pressure, and pressure difference pushes the piston
(1021) downward movement and low-pressure area is squeezed, until when moving to piston cut-off position, closes the inlet opening (1013)；Then,
Top drilling tool pushes the whole downward movement of fluid cylinder group (101), ends position until moving to fluid cylinder, inlet opening (1013) is opened at this time
It opens, piston (1021) downward movement again under the action of pressure difference, so move in circles axial propulsion；
The piston (1021) and the torsion push rod (1023) offer the mesoporous (1022) being mutually communicated in the axial direction, described
Mesoporous (1022) is connected to fluid cylinder (1012) cavity above the piston (1021), so that the mesoporous (1022) is formed high
Pressure area；The bottom of the torsion push rod (1023) opens up the deflector hole (1024) being connected with the mesoporous (1022), makes
The deflector hole (1024) forms higher-pressure region；
The high-pressure fluid of deflector hole (1024) output is for driving the rotating impact device assembly (2) to carry out high-frequency rotating punching
Hit movement.
2. fluid power according to claim 1 axially promotes churn drilling tools, which is characterized in that the axial direction fluid cylinder assembly (1)
For n grades of axial fluid cylinder assemblies, wherein n is natural number；
Described n grades axial fluid cylinder assembly includes concatenated 1st grade axial fluid cylinder assembly, the 2nd grade of axial fluid cylinder n-th grade of axis of assembly ...
To fluid cylinder assembly；The axial fluid cylinder assemblies at different levels include fluid cylinder group (101) and push rod group (102)；The 1st grade of axial liquid
Cylinder assembly with top drilling tool for being fixedly connected；The end of the push rod group (102) of described n-th grade axial fluid cylinder assembly and the rotation
Turn impactor assembly (2) to be fixedly connected, energy is pressed for providing axial stepping fluid power flexibility to the rotating impact device assembly (2)
Amount.
3. fluid power according to claim 1 axially promotes churn drilling tools, which is characterized in that the rotating impact device assembly
(2) include outer barrel (201), rotary impact hammer (202), rotation inner sleeve (203) and lower contact (204)；
Wherein, the outer barrel (201), the rotary impact hammer (202) and the rotation inner sleeve (203) are hollow cylinder knot
Structure, rotary impact hammer (202) coaxial arrangement is in the inside of the outer barrel (201), rotation inner sleeve (203) coaxial arrangement
Inside in the rotary impact hammer (202), the top of the outer barrel (201) and the torsion of the axial fluid cylinder assembly (1) push away
Bar (1023) is fixedly connected, and the lower contact (204) is fixedly mounted in the bottom end of the outer barrel (201), and the lower contact (204) is used
In fixed installation lower drilling tool.
4. fluid power according to claim 3 axially promotes churn drilling tools, which is characterized in that outer barrel (201) inner surface
Offer the 1st axial groove (2011) and the 2nd axial groove (2012)；
The rotary impact hammer (202) includes jump bit hollow cylinder, and is symmetrically disposed on the jump bit hollow cylinder left side
The outer hammer (2021) of right both sides and interior hammer (2022)；Wherein, described outer hammer (2021) both sides have the 1st export-oriented hole (2023)
With the 2nd export-oriented hole (2024)；Described interior hammer (2022) both sides have interior to hole (2026) to hole (2025) and the 2nd in the 1st；
The rotation inner sleeve (203) includes inner sleeve hollow cylinder, and the external cylindrical surface of the inner sleeve hollow cylinder is equipped with the 1st radial branch
Support (2031), the 2nd radial support (2032) and evagination (2033), the evagination (2033) offer radial through-hole (2034)；
The lower contact (204) includes lower part connection button (2041), top coupling part (2042), tap hole (2043) and aerial drainage
Hole (2044)；Lower part connection button (2041) for being fixedly connected with lower drilling tool, the top coupling part (2042) with
The outer barrel (201) is fixedly connected.
5. fluid power according to claim 4 axially promotes churn drilling tools, which is characterized in that the 1st axis of the outer barrel (201)
It is communicated to slot (2011) and the 2nd axial groove (2012) with the deflector hole (1024) of the push rod group (102), belongs to higher-pressure region；It is described
It communicates to form higher-pressure region with the 1st axial groove (2011) or the 2nd axial groove (2012) to hole in one of interior hammer (2022), and it is described
It communicates to form low-pressure area with the discharge orifice (2044) to hole in another of interior hammer (2022), interior hammer pressure at both sides difference driving rotation
Turn inner sleeve (203) to relatively rotate in rotary impact hammer (202)；
The export-oriented hole of described outer hammer (2021) side communicates to form higher-pressure region with the radial through-hole (2034) of rotation inner sleeve (203),
And hammer the export-oriented hole of (2021) other side into shape outside and discharge orifice (2044) communicates to form low-pressure area, outer hammer pressure at both sides difference driving rotation
Jump bit (202) relatively rotates in outer barrel (201).
6. a kind of fluid power based on described in claim 4 axially promotes the fluid power of churn drilling tools axially to promote impact method, special
Sign is, includes the following steps：
When work, drilling fluid enters top connection through top drilling tool, then is flowed into fluid cylinder, top and the fluid cylinder phase of piston (1021)
It is logical, form higher-pressure region；And the bottom of piston (1021) is connected to the low-pressure area of annular space, upper and lower pressure difference pushes under piston (1021)
Row squeezes low-pressure area, until moving to piston cut-off position, closes inlet opening (1013)；Then, top drilling tool pushes fluid cylinder group
(101) whole downward movement ends position until moving to fluid cylinder, and inlet opening (1013) is opened at this time, and piston (1021) is in pressure difference
Under the action of downward movement again, axial promote of so moving in circles provide axial fluid power flexible drilling pressure to drill bit；
At the same time, cleaner for high-pressure drilling fluid flows through rotating impact device assembly (2) through mesoporous (1022) and deflector hole, outer barrel (201)
1st axial groove (2011) and the 2nd axial groove (2012) are communicated with the deflector hole (1024) of push rod group (102), belong to higher-pressure region；Interior hammer
(2022) it communicates to form higher-pressure region with the 1st axial groove (2011) or the 2nd axial groove (2012) to hole in one, and interior hammer
(2022) it communicates to form low-pressure area with discharge orifice (2044) to hole in another, interior hammer pressure at both sides difference driving rotation inner sleeve
(203) it is relatively rotated in rotary impact hammer (202)；
The export-oriented hole of outer hammer (2021) side communicates to form higher-pressure region with the radial through-hole (2034) of rotation inner sleeve (203), and outer
The export-oriented hole of hammer (2021) other side communicates to form low-pressure area with discharge orifice (2044), and outer hammer pressure at both sides difference drives rotary impact
(202) are hammered into shape to relatively rotate in outer barrel (201)；
It is thus achieved that the circumference that rotary impact hammer (202) does certain frequency under the action of drilling fluid moves back and forth, drill bit is given
Endlessly high-frequency rotating impact energy is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610099032.0A CN106812461B (en) | 2016-02-23 | 2016-02-23 | Fluid power axially promotes churn drilling tools and fluid power axially to promote impact method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610099032.0A CN106812461B (en) | 2016-02-23 | 2016-02-23 | Fluid power axially promotes churn drilling tools and fluid power axially to promote impact method |
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| Publication Number | Publication Date |
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| CN106812461A CN106812461A (en) | 2017-06-09 |
| CN106812461B true CN106812461B (en) | 2018-10-09 |
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| CN110501240A (en) * | 2019-09-16 | 2019-11-26 | 南京工业职业技术学院 | A kind of impact opening characteristics of surrounding rock test macro |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4512417A (en) * | 1981-11-05 | 1985-04-23 | Ingersoll-Rand Company | Hydraulic reciprocating device |
| CN101956526A (en) * | 2009-07-13 | 2011-01-26 | 丁明明 | Rotary percussion hammer |
| CN202227979U (en) * | 2011-09-24 | 2012-05-23 | 邵金安 | Hydraulic vibration impacter and piling power head formed by same |
| CN105201402A (en) * | 2014-06-30 | 2015-12-30 | 中国石油化工股份有限公司 | Torsional impact drilling device |
| CN205477356U (en) * | 2016-02-23 | 2016-08-17 | 上海鑫地能源科技有限公司 | Hydraulic axial impels churn drilling tools |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6464023B2 (en) * | 1999-01-27 | 2002-10-15 | William N. Patterson | Hydraulic in-the-hole percussion rock drill |
-
2016
- 2016-02-23 CN CN201610099032.0A patent/CN106812461B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4512417A (en) * | 1981-11-05 | 1985-04-23 | Ingersoll-Rand Company | Hydraulic reciprocating device |
| CN101956526A (en) * | 2009-07-13 | 2011-01-26 | 丁明明 | Rotary percussion hammer |
| CN202227979U (en) * | 2011-09-24 | 2012-05-23 | 邵金安 | Hydraulic vibration impacter and piling power head formed by same |
| CN105201402A (en) * | 2014-06-30 | 2015-12-30 | 中国石油化工股份有限公司 | Torsional impact drilling device |
| CN205477356U (en) * | 2016-02-23 | 2016-08-17 | 上海鑫地能源科技有限公司 | Hydraulic axial impels churn drilling tools |
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| CN106812461A (en) | 2017-06-09 |
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