CN205477356U - Hydraulic axial impels churn drilling tools - Google Patents

Hydraulic axial impels churn drilling tools Download PDF

Info

Publication number
CN205477356U
CN205477356U CN201620136005.1U CN201620136005U CN205477356U CN 205477356 U CN205477356 U CN 205477356U CN 201620136005 U CN201620136005 U CN 201620136005U CN 205477356 U CN205477356 U CN 205477356U
Authority
CN
China
Prior art keywords
fluid cylinder
axial
assembly
push rod
hammer
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.)
Withdrawn - After Issue
Application number
CN201620136005.1U
Other languages
Chinese (zh)
Inventor
沈达
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Xindi Energy Technology Co Ltd
Original Assignee
Shanghai Xindi Energy Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Xindi Energy Technology Co Ltd filed Critical Shanghai Xindi Energy Technology Co Ltd
Priority to CN201620136005.1U priority Critical patent/CN205477356U/en
Application granted granted Critical
Publication of CN205477356U publication Critical patent/CN205477356U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a hydraulic axial impels churn drilling tools, the drilling tool includes: axial hydraulic cylinder assembly (1) and rotatory impacter assembly (2), axial hydraulic cylinder assembly (1) set up in the top of rotatory impacter assembly (2), axial hydraulic cylinder assembly (1) is including hydraulic cylinder group (101) and push rod (102), push rod (102) terminal with rotatory impacter assembly (2) fixed connection, be used for to rotatory impacter assembly (2) provide flexible pressure of the step -by -step hydraulic of axial and hold the energy. The utility model provides a hydraulic axial impels churn drilling tools, for an existing rotatory ballistic work can, can impel the churn drilling tools for the axial that the drill bit provide flexible weight on bit again, the efficient and mechanical drilling speed of this drilling tool well drilling is high, and wells such as resoluble breach dikes horizontal well, big displacement well, long horizontal segment, complex construction are difficult to be bored, the problem of the broken rock energy shortage of stratum drill bit, solves to drag pressure, the drill chuck to slide, suppress the brill problem.

Description

Fluid power axially advances churn drilling tools
Technical field
This utility model belongs to drilling technology field, is specifically related to a kind of fluid power and axially advances churn drilling tools.
Background technology
With deep-well, ultradeep well, Holes of Complicated Wells, horizontal well, the continuous appearance of extended reach well, in the case of original conventional drilling equipment is constant, for bad ground, owing to long horizontal sections frictional resistance is big, transmission the pressure of the drill difficulty, substantial amounts of energy expenditure is in the complex vibration of thousands of meters of top drilling tools, thus cause that rate of penetration is slow, drill bit breaks that rock energy is not enough and problem accident is many, and therefore, the difficulty that drill bit safety, quick drill reach target zone is increasing.
Although since 2010; rotating impact device (i.e. turn round and rush instrument) is the most ripe; it utilizes drilling fluid fluid energy to provide the rotary impact of high frequency to break rock energy supply in the place that distance drill bit is nearest for drill bit; meet the broken rock principle of PDC drill bit, be conducive to stablizing drilling process and protection drill bit.But it does not act on for load transfer, therefore, rotating impact device the most only uses in straight well section.On the other hand, load transfer aspect, though the instrument that spins (axial vibration motor) having national oil well (NOV) can produce the axial impact of certain frequency, horizontal well has certain effect, but axial impact makes PDC drill bit composite sheet be easily damaged, the lost of life of conventional PDC drill bit, and cost benefit is cancelled out each other.Therefore, the producing well such as horizontal well, extended reach well be badly in need of exploitation speed-raising carry effect tool coating standby.
Utility model content
The defect existed for prior art, this utility model provides a kind of fluid power axially to advance churn drilling tools, can effectively solve the problems referred to above.
The technical solution adopted in the utility model is as follows:
This utility model provides a kind of fluid power axially to advance churn drilling tools, including: axially fluid cylinder assembly (1) and rotating impact device assembly (2);Described axial fluid cylinder assembly (1) is arranged at the top of described rotating impact device assembly (2), and described axial fluid cylinder assembly (1) includes fluid cylinder group (101) and push rod group (102);The end of described push rod group (102) is fixing with described rotating impact device assembly (2) to be connected, for providing axial stepping fluid power flexibility pressure holding energy to described rotating impact device assembly (2).
Preferably, described fluid cylinder group (101) includes top connection (1011), fluid cylinder (1012), inlet opening (1013) and deck (1014);Described push rod group (102) includes piston (1021), mesopore (1022), reverses push rod (1023) and pod apertures (1024);
Wherein, the upper end of described fluid cylinder (1012) arranges described top connection (1011), and described top connection (1011) is used for fixedly mounting top drilling tool, and forms higher-pressure region;Additionally, described top connection (1011) connects with the upper cavity of described fluid cylinder (1012), described piston (1021) is placed in the cavity of described fluid cylinder (1012), makes the top of described piston (1021) by high pressure effect;The lower end of described piston (1021) is fixing with the upper end of described torsion push rod (1023) to be connected, and, the lower end of described torsion push rod (1023) extends to the outside of described fluid cylinder (1012) through the cavity of described fluid cylinder (1012), and fixing with described rotating impact device assembly (2) is connected;
Additionally, described deck (1014) is set at the bottom opening of described fluid cylinder (1012), described inlet opening (1013) is formed between described deck (1014) and described fluid cylinder (1012), that is: described inlet opening (1013) connects lower cavity and the annular space of described fluid cylinder (1012), makes the bottom of described piston (1021) by low pressure effect;And, described deck (1014) offers the through hole for making described torsion push rod (1023) pass, described through hole is provided with the connector for making described deck (1014) and described torsion push rod (1023) mutually fasten, and is used for transmitting moment of torsion;
The top of described piston (1021) is by high pressure effect, by low pressure effect bottom it, pressure reduction promotes (1021) downward movement of described piston and extrudes low-pressure area, during until moving to piston cut-off position, closes described inlet opening (1013);Then, top drilling tool promotes the overall downward movement of fluid cylinder group (101), until moving to fluid cylinder cut-off position, now inlet opening (1013) is opened, piston (1021) downward movement again under the effect of pressure reduction, so moves in circles and axially advances;
Described piston (1021) and described torsion push rod (1023) offer the mesopore (1022) being mutually communicated in the axial direction, described mesopore (1022) connects with fluid cylinder (1012) cavity being positioned at described piston (1021) top, makes described mesopore (1022) form higher-pressure region;The described pod apertures (1024) being connected with described mesopore (1022) is offered in the bottom of described torsion push rod (1023), makes described pod apertures (1024) form higher-pressure region;
The high-pressure fluid that described pod apertures (1024) exports carries out high-frequency rotating ballistic movement for driving described rotating impact device assembly (2).
Preferably, described axial fluid cylinder assembly (1) is n level axial fluid cylinder assembly, and wherein, n is natural number;
Described n level axial fluid cylinder assembly includes the 1st grade of axial fluid cylinder assembly of series connection, the 2nd grade of axial fluid cylinder assembly ... n-th grade of axial fluid cylinder assembly;Described axial fluid cylinder assemblies at different levels all include fluid cylinder group (101) and push rod group (102);Described 1st grade of axial fluid cylinder assembly is connected for fixing with top drilling tool;The end of the push rod group (102) of described n-th grade of axial fluid cylinder assembly is fixing with described rotating impact device assembly (2) to be connected, for providing axial stepping fluid power flexibility pressure holding energy to described rotating impact device assembly (2).
Preferably, described rotating impact device assembly (2) includes urceolus (201), rotary impact hammer (202), rotates inner sleeve (203) and lower contact (204);
Wherein, described urceolus (201), described rotary impact hammer (202) and described rotation inner sleeve (203) are hollow cylinder structure, described rotary impact hammer (202) is coaxially disposed in the inside of described urceolus (201), described rotation inner sleeve (203) is coaxially disposed in the inside of described rotary impact hammer (202), the top of described urceolus (201) is fixing with the torsion push rod (1023) of described axial fluid cylinder assembly (1) to be connected, the bottom of described urceolus (201) fixedly mounts described lower contact (204), described lower contact (204) is used for fixedly mounting lower drilling tool.
Preferably, described urceolus (201) inner surface offers the 1st axial groove (2011) and the 2nd axial groove (2012);
Described rotary impact hammer (202) includes jump bit hollow cylinder, and is symmetricly set in outer hammer (2021) and the interior hammer (2022) of the described jump bit hollow cylinder left and right sides;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 in the 1st in hole (2025) and the 2nd to hole (2026);
Described rotation inner sleeve (203) includes inner sleeve hollow cylinder, the external cylindrical surface of described inner sleeve hollow cylinder is provided with the 1st and radially supports (2031), the 2nd radial direction support (2032) and evagination (2033), and described evagination (2033) offers radial direction through hole (2034);
Described lower contact (204) includes that bottom couples button (2041), coupling part, top (2042), tap hole (2043) and discharge orifice (2044);Described bottom couples button (2041) and is connected for fixing with lower drilling tool, and coupling part, described top (2042) is fixing with described urceolus (201) to be connected.
Preferably, the 1st axial groove (2011) and the 2nd axial groove (2012) of described urceolus (201) communicate with the pod apertures (1024) of described push rod group (102), belong to higher-pressure region;Communicate formation higher-pressure region with the 1st axial groove (2011) or the 2nd axial groove (2012) to hole in of described interior hammer (2022), and described interior hammer (2022) another in communicate formation low-pressure area with described discharge orifice (2044) to hole, interior hammer pressure at both sides difference drives rotation inner sleeve (203) to relatively rotate in rotary impact hammer (202);
The export-oriented hole of described outer hammer (2021) side communicates formation higher-pressure region with the radial direction through hole (2034) rotating inner sleeve (203), the export-oriented hole hammering (2021) opposite side outside and into shape communicates formation low-pressure area with discharge orifice (2044), and outer hammer pressure at both sides difference drives rotary impact hammer (202) to relatively rotate in urceolus (201).
The fluid power that this utility model provides axially advances churn drilling tools to have the advantage that
The fluid power that this utility model provides axially advances churn drilling tools, for a kind of existing rotary impact function, can axially advance churn drilling tools to what drill bit provided flexible the pressure of the drill again, this drilling tool drilling efficiency is high and rate of penetration is high, can solve the well difficulty brills such as horizontal well, extended reach well, long horizontal sections, labyrinth, earth boring bit breaks the problem that rock energy is not enough, and solution drags pressure, drill chuck to slide, the problem of bit bouncing.
Accompanying drawing explanation
Fig. 1 axially advances the generalized section of churn drilling tools for the fluid power that this utility model provides;
Labelling in figure: 1-axial fluid cylinder assembly;2-rotating impact device assembly;101-fluid cylinder group;102-push rod group;201-urceolus;202-rotary impact hammer;203-rotates inner sleeve;204-lower contact;1011-top connection;1012-fluid cylinder;1013-inlet opening;1014-deck;1021-piston;1022-mesopore;1023-reverses push rod;1024-pod apertures;2041-bottom couples button;Coupling part, 2042-top;2043-tap hole;2044-discharge orifice;
Fig. 2 be Fig. 1 when the 1st kind of connected mode Section X-X figure, be also K-K sectional view, H-H sectional view in Figure 10 two-stage fluid cylinder assembly schematic diagram;
Fig. 3 be Fig. 1 when the 1st kind of connected mode Section X-X figure, be also K-K sectional view, H-H sectional view in Figure 10 two-stage fluid cylinder assembly schematic diagram;
Fig. 4 be Fig. 1 when the 1st kind of connected mode Section X-X figure, be also K-K sectional view, H-H sectional view in Figure 10 two-stage fluid cylinder assembly schematic diagram;
Fig. 5 be Fig. 1 when the 1st kind of connected mode Section X-X figure, be also K-K sectional view, H-H sectional view in Figure 10 two-stage fluid cylinder assembly schematic diagram;
Fig. 6 is the Y-Y sectional view a of Fig. 1;
Labelling in figure: 2011-the 1st axial groove;2012-the 2nd axial groove;
Fig. 7 is the Y-Y sectional view b of Fig. 1;
Labelling in figure: 2011-the 1st axial groove;2012-the 2nd axial groove;
The Y-Y sectional view of the Fig. 8 rotary impact hammer for providing in Fig. 1;
Labelling in figure: hammer into shape outside 2021-;Hammer in 2022-;The export-oriented hole of 2023-the 1st;The export-oriented hole of 2024-the 2nd;To hole in 2025-the 1st;To hole in 2026-the 2nd;
The Y-Y sectional view of the Fig. 9 rotation inner sleeve for providing in Fig. 1;
Labelling in figure: 2031-the 1st radially supports;2032-the 2nd radially supports;2033-evagination;2034-radial direction through hole;
The two-stage fluid cylinder assembly schematic diagram that Figure 10 provides for this utility model;
1012A-one-level fluid cylinder;1021A-first stage piston;1031A-one-level fluid cylinder inlet opening;1014A-one-level deck;1023A-one-level reverses push rod;Bis-grades of fluid cylinders of 1012B-;1021B-second piston;Bis-grades of fluid cylinder inlet openings of 1031B-;Bis-grades of decks of 1014B-;1023B-bis-grades reverses push rod.
Detailed description of the invention
In order to make this utility model be solved the technical problem that, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
This utility model provides a kind of fluid power axially to advance churn drilling tools, is mainly made up of axial fluid cylinder assembly 1 and rotating impact device assembly 2 two parts.This utility model utilizes drilling fluid or fluid to simultaneously drive, and axial fluid cylinder carries out axially-movable, rotating impact device carries out circumference reciprocating impact motion; make instrument rotary impact can be provided to break rock energy to drill bit; flexible the pressure of the drill can be provided to drill bit downwards again along drillstring axis; can solve the problem that the problems such as slow, the load transfer obstacle of deep-well, ultradeep well, horizontal well, extended reach well rate of penetration, Simultaneous Stabilization drilling process, protect and extend bit life.
Concrete, in conjunction with Fig. 1, this utility model provides a kind of fluid power axially to advance churn drilling tools, including: axially fluid cylinder assembly 1 and rotating impact device assembly 2;Axially fluid cylinder assembly 1 is arranged at 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 fixing with rotating impact device assembly 2 to be connected, for providing axial stepping fluid power flexibility pressure holding energy to rotating impact device assembly 2.
Individually below axial fluid cylinder assembly 1 and rotating impact device assembly 2 are introduced:
(1) axial fluid cylinder assembly
Axially fluid cylinder assembly 1 includes fluid cylinder group 101 and push rod group 102, and wherein, fluid cylinder group 101 includes top connection 1011, fluid cylinder 1012, inlet opening 1013 and deck 1014;Push rod group 102 includes piston 1021, mesopore 1022, reverses push rod 1023 and pod apertures 1024;
Wherein, the upper end of fluid cylinder 1012 arranges top connection 1011, and top connection 1011 is used for fixedly mounting top drilling tool, and top drilling tool includes but not limited to the top drilling tools such as drill collar, drilling rod or drill string, and forms higher-pressure region;It addition, top connection 1011 connects with the upper cavity of fluid cylinder 1012, piston 1021 is placed in the cavity of fluid cylinder 1012, makes the top of piston 1021 by high pressure effect;The lower end of piston 1021 is fixing with the upper end reversing push rod 1023 to be connected, and, the lower end reversing push rod 1023 extends to the outside of fluid cylinder 1012 through the cavity of fluid cylinder 1012, and fixes with rotating impact device assembly 2 and be connected;
It addition, arrange deck 1014 at the bottom opening of fluid cylinder 1012, form inlet opening 1013 between deck 1014 and fluid cylinder 1012, it may be assumed that inlet opening 1013 connects lower cavity and the annular space of fluid cylinder 1012, makes the bottom of piston 1021 by low pressure effect;And, deck 1014 offers the through hole for making torsion push rod 1023 pass, through hole is provided with for making deck 1014 and reversing the connector that push rod 1023 mutually fastens, for transmitting moment of torsion, with reference to Fig. 2, respectively use key connecting, quadrangular, pentagonal prism, six prism structures, it is achieved transmission moment of torsion.
Visible, the top of piston 1021 is by high pressure effect, and by low pressure effect bottom it, pressure reduction promotes piston 1021 downward movement and extrudes low-pressure area, during until moving to piston cut-off position, closes inlet opening 1013;Then, top drilling tool promotes the overall downward movement of fluid cylinder group 101, until moving to fluid cylinder cut-off position, now inlet opening 1013 is opened, and piston 1021 is downward movement again under the effect of pressure reduction, so moves in circles and axially advances;
Piston 1021 and torsion push rod 1023 offer the mesopore 1022 being mutually communicated in the axial direction, and mesopore 1022 connects with fluid cylinder 1012 cavity being positioned at above piston 1021, makes mesopore 1022 form higher-pressure region;The pod apertures 1024 being connected with mesopore 1022 is offered in the bottom reversing push rod 1023, makes pod apertures 1024 form higher-pressure region;
The high-pressure fluid of pod apertures 1024 output is used for driving rotating impact device assembly 2 to carry out high-frequency rotating ballistic movement.
The axial fluid cylinder assembly 1 provided for this utility model, can use n level axial fluid cylinder assembly, and wherein, n is natural number;N level axial fluid cylinder assembly includes the 1st grade of axial fluid cylinder assembly of series connection, the 2nd grade of axial fluid cylinder assembly ... n-th grade of axial fluid cylinder assembly;Axial fluid cylinder assemblies at different levels all include fluid cylinder group 101 and push rod group 102;1st grade of axial fluid cylinder assembly is connected for fixing with top drilling tool;The end of the push rod group 102 of n-th grade of axial fluid cylinder assembly is fixing with rotating impact device assembly 2 to be connected, for providing axial stepping fluid power flexibility pressure holding energy to rotating impact device assembly 2.
With reference to Figure 10, for the schematic diagram of the axial fluid cylinder assembly of two-stage that n is 2, in Fig. 10, one-level fluid cylinder 1012A outside, including first stage piston 1021A, two grades of fluid cylinder 1012B outside, including second piston 1021B, first stage piston 1021A and two grades of fluid cylinder 1012B are integrally;One-level fluid cylinder 1012A offers one-level fluid cylinder inlet opening 1013A, connection one-level fluid cylinder 1012A and annular space;Two grades of fluid cylinder 1012B offer two grades of fluid cylinder inlet opening 1013B, connect two grades of fluid cylinder 1012B and annular space;One-level is reversed push rod 1023A and is coupled with one-level deck 1014A, and sectional view is shown in Fig. 2, and two grades are reversed push rod 1023B and two grades of deck 1014B and couple, and sectional view is shown in Fig. 2.
(2) rotating impact device assembly
Rotating impact device assembly 2 includes urceolus 201, rotary impact hammer 202, rotates inner sleeve 203 and lower contact 204;
Wherein, see Fig. 6 and Fig. 7, for urceolus 201, rotary impact hammer 202, the assembling schematic diagram of rotation inner sleeve 203, urceolus 201, rotary impact hammer 202 and rotation inner sleeve 203 are hollow cylinder structure, rotary impact hammer 202 is coaxially disposed in the inside of urceolus 201, rotate inner sleeve 203 and be coaxially disposed in the inside of rotary impact hammer 202, the top of urceolus 201 is fixing with the torsion push rod 1023 of axial fluid cylinder assembly 1 to be connected, the bottom fixed installation lower contact 204 of urceolus 201, lower contact 204 is used for fixedly mounting lower drilling tool, such as, drill bit.
Concrete, urceolus 201 inner surface offers the 1st axial groove the 2011 and the 2nd axial groove 2012;
Structural reference Fig. 8 of rotary impact hammer 202, including jump bit hollow cylinder, and is symmetricly set in outer hammer 2021 and the interior hammer 2022 of the jump bit hollow cylinder left and right sides;Wherein, outer hammer 2021 both sides have the 1st export-oriented hole 2024, export-oriented hole the 2023 and the 2nd;Interior hammer 2022 both sides have in the 1st in hole 2025 and the 2nd to hole 2026;
Rotating structural reference Fig. 9 of inner sleeve 203, including inner sleeve hollow cylinder, the external cylindrical surface of inner sleeve hollow cylinder is provided with the 1st and radially supports the 2031, the 2nd radial direction support 2032 and evagination 2033, and evagination 2033 offers radial direction through hole 2034;
Lower contact 204 includes that bottom couples button 2041, coupling part, top 2042, tap hole 2043 and discharge orifice 2044;Bottom couples button 2041 and is connected for fixing with lower drilling tool, and coupling part, top 2042 is fixing with urceolus 201 to be connected.
In this utility model, with reference to Fig. 6, Fig. 7, the 1st axial groove the 2011 and the 2nd axial groove 2012 of urceolus 201 communicates with the pod apertures 1024 of push rod group 102, genus higher-pressure region;Communicate formation higher-pressure region with the 1st axial groove the 2011 or the 2nd axial groove 2012 to hole in of interior hammer 2022, and interior hammer 2022 another in communicate formation low-pressure area with discharge orifice 2044 to hole, interior hammer pressure at both sides difference drives rotation inner sleeve 203 to relatively rotate in rotary impact hammer 202;
The export-oriented hole of outer hammer 2021 side communicates formation higher-pressure region with the radial direction through hole 2034 rotating inner sleeve 203, the export-oriented hole hammering 2021 opposite sides outside and into shape communicates formation low-pressure area with discharge orifice 2044, and outer hammer pressure at both sides difference drives rotary impact hammer 202 to relatively rotate in urceolus 201.
The fluid power that this utility model provides axially advances churn drilling tools, and its operation principle is:
During work, drilling fluid enters top connection through top drilling tool, then is flowed in fluid cylinder, and the top of piston 1021 communicates with fluid cylinder, forms higher-pressure region;And to be the low-pressure area with annular space connect in the bottom of piston 1021, upper and lower pressure reduction promotes piston 1021 descending extruding low-pressure area, until moving to piston cut-off position, closes inlet opening 1013;Then, top drilling tool promotes the overall downward movement of fluid cylinder group 101, until moving to fluid cylinder cut-off position, now inlet opening 1013 is opened, piston 1021 is downward movement again under the effect of pressure reduction, and so moving in circles axially to advance provides axial fluid power flexible drilling pressure to drill bit;
Meanwhile, cleaner for high-pressure drilling fluid flows through rotating impact device assembly 2 through mesopore 1022 and pod apertures, and the 1st axial groove the 2011 and the 2nd axial groove 2012 of urceolus 201 communicates with the pod apertures 1024 of push rod group 102, belongs to higher-pressure region;Communicate formation higher-pressure region with the 1st axial groove the 2011 or the 2nd axial groove 2012 to hole in of interior hammer 2022, and interior hammer 2022 another in communicate formation low-pressure area with discharge orifice 2044 to hole, interior hammer pressure at both sides difference drives rotation inner sleeve 203 to relatively rotate in rotary impact hammer 202;
The export-oriented hole of outer hammer 2021 side communicates formation higher-pressure region with the radial direction through hole 2034 rotating inner sleeve 203, the export-oriented hole hammering 2021 opposite sides outside and into shape communicates formation low-pressure area with discharge orifice 2044, and outer hammer pressure at both sides difference drives rotary impact hammer 202 to relatively rotate in urceolus 201.
Thus achieve rotary impact hammer 202 under the effect of drilling fluid, do the circumference reciprocating motion of certain frequency, provide high-frequency rotating impact energy endlessly to drill bit.Therefore, fluid power of the present utility model is used axially to advance churn drilling tools, drill bit is able to receive that the rotary impact energy from nearly drill bit certain frequency and axial fluid power flexibility pressure holding energy so that the shaft bottom drill bit under thousands of rice is obtained in that more directly, effective broken rock power.
This utility model provides a kind of fluid power axially to advance churn drilling tools, uses the combinative structure of hydraulic axial propulsion plant and rotary impact device, has the advantage that
1) there is torsion and rush the advantage of instrument: one is to provide high-frequency rotating rock fracture in dynamic indentation energy to drill bit;Two is stable drilling process, improves top drilling tool and breaks the transmission efficiency of rock energy;Three is steady drill bit work surface, promotes rock breaking efficiency and the wellbore quality of PDC drill bit, protects simultaneously and extends drilling depth.
2) advantage that fluid cylinder axially advances is had concurrently: the effect of the pressure of the drill is continuous pressure holding drill bit wedging stratum; therefore; in terms of load transfer; do not use and be easily damaged composite sheet axial vibration mode; and utilize the steady automatic bit feed of flexible chip hold down of drilling fluid hydraulic pressure, balance, protect drill bit and effectively transmit the pressure of the drill.
Above 2 advantages make have advantage in the speed-raising operations such as this utility model deep-well in drilling engineering field, ultradeep well, horizontal well, extended reach well, Holes of Complicated Wells.
The above is only preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, on the premise of without departing from this utility model principle; can also make some improvements and modifications, these improvements and modifications also should regard protection domain of the present utility model.

Claims (6)

1. a fluid power axially advances churn drilling tools, it is characterised in that including: axially fluid cylinder assembly (1) With rotating impact device assembly (2);Described axial fluid cylinder assembly (1) is arranged at described rotating impact device assembly (2) Top, described axial fluid cylinder assembly (1) includes fluid cylinder group (101) and push rod group (102);Described push away The end of bar group (102) is fixing with described rotating impact device assembly (2) to be connected, for rotating punching to described Hit device assembly (2) and axial stepping fluid power flexibility pressure holding energy is provided.
Fluid power the most according to claim 1 axially advances churn drilling tools, it is characterised in that described fluid cylinder Group (101) includes top connection (1011), fluid cylinder (1012), inlet opening (1013) and deck (1014); Described push rod group (102) includes piston (1021), mesopore (1022), reverses push rod (1023) and water conservancy diversion Hole (1024);
Wherein, the upper end of described fluid cylinder (1012) arranges described top connection (1011), described top connection (1011) For fixedly mounting top drilling tool, and form higher-pressure region;It addition, described top connection (1011) and described liquid The upper cavity connection of cylinder (1012), described piston (1021) is placed in the cavity of described fluid cylinder (1012) In, make the top of described piston (1021) by high pressure effect;The lower end of described piston (1021) and institute State the fixing connection in upper end reversing push rod (1023), and, the lower end of described torsion push rod (1023) is worn Cross the cavity of described fluid cylinder (1012) and extend to the outside of described fluid cylinder (1012), and with described rotation Impacter assembly (2) is fixing to be connected;
It addition, arrange described deck (1014), described deck (1014) at the bottom opening of described fluid cylinder (1012) And form described inlet opening (1013) between described fluid cylinder (1012), it may be assumed that described inlet opening (1013) is even The lower cavity of logical described fluid cylinder (1012) and annular space, make the bottom of described piston (1021) by low pressure Effect;Further, described deck (1014) offers logical for make described torsion push rod (1023) pass Hole, described through hole is provided with for making described deck (1014) and described torsion push rod (1023) mutually detain The connector closed, is used for transmitting moment of torsion;
The top of described piston (1021) is by high pressure effect, and by low pressure effect bottom it, pressure reduction promotes (1021) downward movement of described piston also extrudes low-pressure area, during until moving to piston cut-off position, closes institute State inlet opening (1013);Then, top drilling tool promotes the overall downward movement of fluid cylinder group (101), until fortune Move fluid cylinder cut-off position, now inlet opening (1013) open, piston (1021) under the effect of pressure reduction again Secondary downward movement, so moves in circles and axially advances;
Described piston (1021) and described torsion push rod (1023) offer in being mutually communicated in the axial direction Hole (1022), described mesopore (1022) is empty with the fluid cylinder (1012) being positioned at described piston (1021) top Chamber connects, and makes described mesopore (1022) form higher-pressure region;The bottom of described torsion push rod (1023) is offered The described pod apertures (1024) being connected with described mesopore (1022), makes described pod apertures (1024) be formed Higher-pressure region;
The high-pressure fluid that described pod apertures (1024) exports enters for driving described rotating impact device assembly (2) Row high-frequency rotating ballistic movement.
Fluid power the most according to claim 1 axially advances churn drilling tools, it is characterised in that described axially Fluid cylinder assembly (1) is n level axial fluid cylinder assembly, and wherein, n is natural number;
Described n level axial fluid cylinder assembly includes that the 1st grade of axial fluid cylinder assembly of series connection, the 2nd grade of axial fluid cylinder are total Become ... n-th grade of axial fluid cylinder assembly;Described axial fluid cylinder assemblies at different levels all include fluid cylinder group (101) and push rod Group (102);Described 1st grade of axial fluid cylinder assembly is connected for fixing with top drilling tool;Described n-th grade axially The end of the push rod group (102) of fluid cylinder assembly is fixing with described rotating impact device assembly (2) to be connected, and is used for Axial stepping fluid power flexibility pressure holding energy is provided to described rotating impact device assembly (2).
Fluid power the most according to claim 2 axially advances churn drilling tools, it is characterised in that described rotation Impacter assembly (2) include urceolus (201), rotary impact hammer (202), rotate inner sleeve (203) and under Joint (204);
Wherein, described urceolus (201), described rotary impact hammer (202) and described rotation inner sleeve (203) Being hollow cylinder structure, it is interior that described rotary impact hammer (202) is coaxially disposed in described urceolus (201) Portion, described rotation inner sleeve (203) is coaxially disposed in the inside of described rotary impact hammer (202), described outside The top of cylinder (201) is fixing with the torsion push rod (1023) of described axial fluid cylinder assembly (1) to be connected, institute The bottom stating urceolus (201) fixedly mounts described lower contact (204), and described lower contact (204) is for solid Dingan County's dress lower drilling tool.
Fluid power the most according to claim 4 axially advances churn drilling tools, it is characterised in that described urceolus (201) inner surface offers the 1st axial groove (2011) and the 2nd axial groove (2012);
Described rotary impact hammer (202) includes jump bit hollow cylinder, and is symmetricly set in described impact The outer hammer (2021) of the hammer hollow cylinder left and right sides 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 To hole (2026) in hole (2025) and the 2nd in having the 1st;
Described rotation inner sleeve (203) includes that inner sleeve hollow cylinder, the external cylindrical surface of described inner sleeve hollow cylinder set Have the 1st radially to support (2031), the 2nd radial direction supports (2032) and evagination (2033), described evagination (2033) Offer radial direction through hole (2034);
Described lower contact (204) includes that bottom couples button (2041), coupling part, top (2042), shunting Hole (2043) and discharge orifice (2044);Described bottom couples button (2041) and connects for fixing with lower drilling tool Connecing, coupling part, described top (2042) is fixing with described urceolus (201) to be connected.
Fluid power the most according to claim 5 axially advances churn drilling tools, it is characterised in that described urceolus (201) the 1st axial groove (2011) and the 2nd axial groove (2012) are led with described push rod group (102) Discharge orifice (1024) communicates, and belongs to higher-pressure region;To hole and the 1st axial groove (2011) in of described interior hammer (2022) Or the 2nd axial groove (2012) communicate formation higher-pressure region, and described interior hammer (2022) another in hole with Described discharge orifice (2044) communicates formation low-pressure area, and interior hammer pressure at both sides difference drives rotation inner sleeve (203) to exist Rotary impact hammer relatively rotates in (202);
The export-oriented hole of described outer hammer (2021) side and radial direction through hole (2034) phase rotating inner sleeve (203) The logical higher-pressure region that formed, and the export-oriented hole hammering outward (2021) opposite side into shape communicate with discharge orifice (2044) formed low Nip, outer hammer pressure at both sides difference drives rotary impact hammer (202) to relatively rotate in urceolus (201).
CN201620136005.1U 2016-02-23 2016-02-23 Hydraulic axial impels churn drilling tools Withdrawn - After Issue CN205477356U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620136005.1U CN205477356U (en) 2016-02-23 2016-02-23 Hydraulic axial impels churn drilling tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620136005.1U CN205477356U (en) 2016-02-23 2016-02-23 Hydraulic axial impels churn drilling tools

Publications (1)

Publication Number Publication Date
CN205477356U true CN205477356U (en) 2016-08-17

Family

ID=56678763

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620136005.1U Withdrawn - After Issue CN205477356U (en) 2016-02-23 2016-02-23 Hydraulic axial impels churn drilling tools

Country Status (1)

Country Link
CN (1) CN205477356U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106812461A (en) * 2016-02-23 2017-06-09 上海鑫地能源科技有限公司 Axially propulsion churn drilling tools and fluid power axially advance impact method to fluid power
CN106837178A (en) * 2017-01-19 2017-06-13 倪建挺 A kind of efficient three-dimensional impact drilling speed device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106812461A (en) * 2016-02-23 2017-06-09 上海鑫地能源科技有限公司 Axially propulsion churn drilling tools and fluid power axially advance impact method to fluid power
CN106812461B (en) * 2016-02-23 2018-10-09 上海鑫地能源科技有限公司 Fluid power axially promotes churn drilling tools and fluid power axially to promote impact method
CN106837178A (en) * 2017-01-19 2017-06-13 倪建挺 A kind of efficient three-dimensional impact drilling speed device
CN106837178B (en) * 2017-01-19 2019-10-11 倪建挺 A kind of efficient three-dimensional impact drilling speed device

Similar Documents

Publication Publication Date Title
CN103256007B (en) Underground dynamic pressurizing drilling rig
CN107842317A (en) Hard-rock boring punching composite drill bit
CN106223832B (en) composite impact drilling tool
CN102733756B (en) Vibration and pressure well drilling tool
CN104832083B (en) Helicoid hydraulic motor and its rock-breaking and well-drilling method
CN105909177B (en) Shake and turn round composite impact speed-raising drill bit
CN205477356U (en) Hydraulic axial impels churn drilling tools
CN107420061A (en) Underbalance pulse oscillator
CN102966305A (en) Near-bit circumferential resonance impacter
CN208981966U (en) Twin-stage drill bit
CN208010276U (en) A kind of rotary impact tool of the underground based on magnetic force
CN203145879U (en) Combined core drill for improving core-drilling effect of fractured stratum
CN107605396A (en) A kind of shunting penetrates suction hydraulic impacter
CN106988671A (en) A kind of power rotation system for being integrated with flushing dreg removing system for core drilling rig
CN109707313A (en) Vane type multiple-pulse hydroscillator
CN109653691A (en) A kind of waterpower and mechanical composite controllable cutting bed cleanout tool
CN109667536A (en) High frequency torsional oscillation viscosity reduction tool
CN107542405A (en) Waterpower pulse helicoid hydraulic motor
CN206016669U (en) Composite impact drilling tool
CN207795050U (en) A kind of frequency low-amplitude complex vibration impactor
CN106593293A (en) High-speed axial percussion drilling method and device
CN108222873A (en) Complex vibration impactor
CN106812461B (en) Fluid power axially promotes churn drilling tools and fluid power axially to promote impact method
CN110469278A (en) A kind of cutting bed cleaning tool and application method
CN207673304U (en) A kind of rope salvaging type torsional pulse core drill

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20160817

Effective date of abandoning: 20181009

AV01 Patent right actively abandoned