CN206111095U - Horizontal well autogyration pulse internal grinding drill bit - Google Patents
Horizontal well autogyration pulse internal grinding drill bit Download PDFInfo
- Publication number
- CN206111095U CN206111095U CN201621148103.3U CN201621148103U CN206111095U CN 206111095 U CN206111095 U CN 206111095U CN 201621148103 U CN201621148103 U CN 201621148103U CN 206111095 U CN206111095 U CN 206111095U
- Authority
- CN
- China
- Prior art keywords
- cavity
- chamber
- runner
- drill bit
- jet
- 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.)
- Expired - Fee Related
Links
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a horizontal well autogyration pulse internal grinding drill bit. Be different from conventional PDC drill bit, the utility model discloses it spouts brokenly rock device, negative pressure pumping device and detritus internal grinding device soon to have installed pulse jet additional. Pulse jet spout brokenly soon the rock device include the resonating tube, down the sport way, from rotating nozzle, wing, based on organ pipe, produce the high -voltage pulse efflux through arousing liquid resonance, improve the supplementary broken rock efficiency of water conservancy, through cut tensile broken rock from rotating nozzle forward efflux, the side direction efflux provides the drill bit from advancing power, negative pressure pumping device is including reverse high -speed runner, pumping chamber, based on the jet pump, relies on the high -speed characteristic of backward -jet to form the negative pressure in the pumping chamber, and the upward movement of pumping detritus reduces the chip hold down effect, does detritus internal grinding device include hybrid chamber, throat, accelerating cavity, internal grinding chamber, the internal grinding body, bypass and diffusion cavity, based on the granule granule and granule the detritus is smashed to high pressure force, water wedge effect between the internal grinding body, does benefit to rock carrying, clears away cuttings bed.
Description
Technical field
This utility model belongs to oil gas well drilling field, crusher drill in specially a kind of horizontal well spinning pulse.
Background technology
In horizontal well drilling, often due to taking, rock is unfavorable, clear rock causes not in time talus deposit, cutting bed is produced, seriously
Rate of penetration and drilling cost are govern, causes to suppress pump, bit bouncing, or even the generation of the drilling complexity accident such as bit freezing.Conventional solution
Certainly method mostly improves drilling speed, increase discharge capacity, addition lubricant, and by putting in short distance drilling tool is put, will be big near drill bit
Granule landwaste pushes back shaft bottom and repeats broken, although has certain effect, but is reduction of rate of penetration, it is impossible to fundamentally removes
Horizontal well cutting bed.The reason for generation cutting bed one is critically important is exactly that bulky grain landwaste cannot be crushed effectively, and theory is ground
Study carefully and field test is all fully proved, the rock efficiency of taking of small size landwaste is substantially better than large scale landwaste.Therefore by bulky grain rock
Bits are crushed can preferably Cutting Disposal for smaller particle.
Hydraulic drilling is applied on a large scale in mechanical drilling applications, and achieves good benefit, base at the scene
In the theoretical spinning nozzle of water jet in horizontal well drilling, shear tension efficiency of breaking rock height, little frictional resistance, life-span length, work
Steadily.
Pulsing jet can be greatly improved waterpower with its asymmetric, non-homogeneous, unstable characteristic, relatively conventional stable state jet
Auxiliary rock efficiency, theoretical research and field test prove that pulsing jet has quite wide application front in drilling applications
Scape.
Jet pump is applied on a large scale in fields such as oil recovery, well cementation, and how to be applied to jet pump theory
The clear rock of drilling well, to take rock be but a new problem, will be based on jet pump negative pressure pumping theory be applied to the design of new drill will
It is a new direction, to remove horizontal well cutting bed a kind of new approaches is provided.
Utility model content
The purpose of this utility model is to provide crusher drill in a kind of horizontal well spinning pulse, is penetrated using spinning waterpower
The characteristics such as the shear tension broken rock of stream, efficiency high, power consumption is little, frictional resistance is little, life-span length, with reference to pulsing jet, negative pressure pumping
With grind Crushing Behavior in landwaste, improve broken rock, clear rock efficiency, remove horizontal well cutting bed.In order to achieve this, this utility model
Mill apparatus in pulsing jet churning broken rock device, negative pressure pumping means and landwaste are installed additional on the basis of conventional PDC drill bit.
Described pulsing jet churning broken rock device includes resonatron, lower jet flow road, spinning nozzle, wing.
Described resonatron is made up of drilling fluid runner, feeding chamber, resonator cavity, resonatron outlet, shunting zone.Each several part sets
Coaxial circle cylindrical configuration is calculated as, connection is mutually butted, wherein shunting zone outlet is connected with reverse high speed nozzle, lower jet flow road；
And optimize caliber and be：Feeding lumen footpath is 1.2 times of drilling fluid runner, and resonator cavity caliber is 0.8 times of runner, and resonatron is exported
Caliber is 0.5 times of runner, and shunting zone caliber is 2 times of runner.
Drilling fluid runner, feeding chamber are the passages that drilling fluid enters resonatron；Resonatron outlet produces initial pressure fluctuation,
And initial pressure fluctuation is fed back to into resonator cavity；Resonator cavity：Initial pressure fluctuation and resonator cavity natural frequency phase when feedback
Timing, excites liquid resonant, high-speed eddy is produced, so as to obtain pulsing jet；Shunting zone and lower jet flow road, reverse high speed runner
It is connected, realizes assignment of traffic.
Lower jet flow road is connected with shunting zone, exports in drill bit end, internal uniformly to install 3 spinning nozzles, realizes
The clear rock of drill bit bottom, cooling and lubricating drill bit and cutting carring；The high-speed pulse jet waterpower auxiliary efficient rock-breaking of ejection.
Spinning nozzle be arranged on lower jet flow road, by spinning center axis body, positive nozzle, lateral nozzle, nozzle housing,
The part such as self-rotating body constitutes.Fluid flows through the forward direction of spinning nozzle and lateral nozzle, produces positive and lateral jet, positive
Jet shear tension broken rock, periodic shock, surface sweeping formula broken rock；Lateral jet provides drill bit from power is entered, realize self-rotating body around
The spinning of spinning center axis body, and play the role of reaming, improve broken rock and clear rock efficiency.
Described negative pressure pumping means include reverse high speed runner and pumping chamber, are considered to be worth doing using backward jet swabbing well bed rock,
Reduce chip hold down effect, improve rate of penetration.Reversely high-speed jet nozzle is connected with shunting zone, exports in mixing intracavity；It is based on
Jet pump principle, by the high speed characteristics of backward jet, in pumping chamber-shaft bottom negative pressure is produced, and is returned on pumping landwaste；Pumping chamber with
Drill bit end chip area is connected, and exports in mixing intracavity, is the passage returned in landwaste pumping.
Mill apparatus include hybrid chamber, venturi, accelerating cavity, inner grinding cavity, interior mill body, bypass and diffusion chamber in described landwaste.
Hybrid chamber is connected with pumping chamber, reverse high speed nozzle, and outlet is docked and connected with venturi, realizes that landwaste is mixed with reverse high-velocity fluid
Close；High-voltage pulse jet Jing nozzle at high speeds sprays, and pressure discharges rapidly, and in pumping intracavity negative pressure, under suction function, rock are formed
Bits form biphase High Speed Turbulent by high-speed jet beam pumping.
Venturi is docked and connected with accelerating cavity, is designed as cylindrical structure, and caliber is 0.5 times of accelerating cavity caliber, with abundant
Accelerate landwaste.Its contracted section strengthens the impulsive force of backward jet.
Accelerating cavity is connected with inner grinding cavity, is designed as cylindrical structure, is utilized with avoiding attached jet and improving jet energy
Rate, by drilling fluid viscous force landwaste is accelerated, and realizes the energy transmission between main fluid and landwaste.
Inner grinding cavity is connected with accelerating cavity, is prismatic configuration, and cross section is the external regular hexagon of accelerating cavity circular cross-section,
Axis is in 138 ° of angles with acceleration cavity axis；Interior mill body is invested in inner grinding cavity, just to accelerating cavity, to reduce drilling fluid resistance, have
Effect crushes landwaste, and using the high-pressure forces between pellet-pellet and granule-interior mill body, water wedge effect landwaste is crushed.
Diffusion chamber and bypass are connected with inner grinding cavity, are cylindrical structure, and diffusion cavity axis are in 138 ° with inner grinding cavity
Angle simultaneously connects annular space, bypasses and inner grinding cavity coaxial line, to reduce impact of the talus glacier to the borehole wall.When talus glacier speed lowers it
Afterwards, Jing its outer enter annular space.
In sum, compared with prior art, this utility model has the advantages that：
(1) resonance tubular construction, by the stabilized fluid of circulation drilling pulsing jet is converted to, relative to conventional solid jet,
Pulsing jet is non-homogeneous, asymmetric, unstable rock fracture in dynamic indentation, improves waterpower auxiliary rock ability；
(2) spinning nozzle, spinning provides drill bit centripetal force, is different from conventional rock fracture in dynamic indentation, jet shear tension
Broken rock, efficiency high, power consumption is little, frictional resistance is little, life-span length, stable working, can improve broken rock, clear rock efficiency；
(3) reversely high speed runner, the reverse high-speed jet of generation, in pumping chamber-drill bit bottom negative pressuren zone, pumping rock are formed
Bits, reduce chip hold down effect；
(4) interior grinding structure, by pulverizing fragmentary debris in interior mill high-pressure forces, reduces grain diameter, improves drilling fluid
Rock efficiency is taken, horizontal well cutting bed is removed.
Description of the drawings
Fig. 1 is crusher drill schematic diagram in a kind of horizontal well spinning pulse.
Fig. 2 is spinning nozzle schematic diagram.
Fig. 3 is A-A generalized sections in Fig. 1.
Fig. 4 is B-B generalized sections in Fig. 1.
Fig. 5 is C-C generalized sections in Fig. 1.
Fig. 6 is D-D generalized sections in Fig. 1.
Fig. 7 is E-E generalized sections in Fig. 1.
Fig. 8 regards schematic diagram for the right side of Fig. 1.
In Fig. 1：1st, diffusion chamber, 2, bypass, 3, inner grinding cavity, 4, accelerating cavity, 5, shunting zone, 6, hybrid chamber, 7, pumping chamber, 8,
Lower jet flow road, 9, spinning nozzle, 10, drilling fluid runner, 11, feeding chamber, 12, interior mill body, 13, resonator cavity, 14, PDC drill bit
Body, 15, resonatron outlet, 16, venturi, 17, reverse high speed runner, 18, wing.
In Fig. 2：19th, spinning center axis body, 20, lateral nozzle, 21, nozzle housing, 22, self-rotating body, 23, positive spray
Mouth.
Specific embodiment
As shown in figure 1, a kind of be used for crusher drill in horizontal well spinning pulse, including：1st, diffusion chamber, 2, bypass, 3, interior
Mill chamber, 4, accelerating cavity, 5, shunting zone, 6, hybrid chamber, 7, pumping chamber, 8, lower jet flow road, 9, spinning nozzle, 10, drilling fluid stream
Road, 11, feeding chamber, 12, interior mill body, 13, resonator cavity, 14, PDC drill bit body, 15, resonatron outlet, 16, venturi, 17, reversely
High speed runner, 18, wing.Spinning nozzle is included outside spinning center axis body 19, positive nozzle 23, lateral nozzle 20, nozzle
Shell 21, self-rotating body 22.Predominantly four parts：Pulse generating portion, churning broken rock part, return in negative pressure pumping part and
Intragranular grinds part.
Pulse generating portion includes drilling fluid runner 10, feeding chamber 11, the outlet 15, shunting zone 5 of resonator cavity 13, resonatron,
Produce pulsing jet.As shown in figure 1, stable drilling fluid Jing drilling fluids runner 10, feeding chamber 11 enter resonatron, resonance is flowed through
During pipe outlet 15, under contracted section effect initial pressure oscillation is produced；The pressure oscillation of generation is fed back to resonator cavity 13；
When the frequency of pressure oscillation is consistent with the natural frequency of resonator cavity 13, liquid resonant is excited, high-speed eddy is produced, so as in resonance
Pulsing jet is obtained in chamber 13；Pulsing jet Jing shunting zones 5 flow to reverse high speed runner 17 and lower jet flow road 8.
Churning broken rock part includes spinning nozzle 9, lower jet flow road 8, wing 18.Spinning nozzle 9 is by spinning center
Axis body 19, positive nozzle 23, lateral nozzle 20, nozzle housing 21, self-rotating body 22 are constituted, using wing mechanical rock breaking, spin
Turn nozzle waterpower auxiliary rock.As depicted in figs. 1 and 2, jet flow road 8 under the high-speed pulse jet Jing of lower spray, Jing spinnings nozzle 9
Positive nozzle 23 and lateral nozzle 20 spray, produce positive and lateral jet, positive jet rotary impact, by shearing, drawing
Stretch and act on shaft bottom and form circular broken rock face, and backward jet provides feeding due to there is reverse subtended angle and eccentric throw for drill bit
Power and rotary power, realize spinning of the self-rotating body 21 around spinning center axis body 19.Churning broken rock portion produce it is asymmetric,
Uneven pulsing jet auxiliary rock, agitation and landwaste is cleaned, and the landwaste for carrying the cutting of Jing wings 18 as main fluid enters
Enter pumping chamber.
Part is returned in negative pressure pumping includes reverse high speed runner 17 and pumping chamber 7, returns on negative pressure pumping landwaste, reduces pressure holding
Effect.As shown in figure 1, on the reverse high speed runners 17 of drilling fluid pulse jet Jing that return spray, form reversely high energy-gathering jetting, its
High speed characteristics form negative pressure in pumping chamber 7- drill bits bottom, and under suction function, high concentration landwaste is pumped disengaging shaft bottom, mixed
Close chamber 6 to realize and the mixing for above returning jet.
Mill part includes hybrid chamber 6, venturi 16, accelerating cavity 4, inner grinding cavity 3, interior mill body 12, bypass 2 and diffusion chamber in landwaste
1, reduce landwaste particle diameter, rock efficiency is taken in raising.As shown in figure 1, flowing through venturi 16 in the mixed drilling fluid-landwaste of hybrid chamber 6
Into accelerating cavity 4, due to the effect of drilling fluid viscous force, landwaste is accelerated and in inner grinding cavity 3, is produced with interior mill body 12 and is touched
Hit；In inner grinding cavity 3, due to the high-pressure forces between granule and granule, granule and inner chamber body 3, the effect of water wedge effect, rock
Bits are further crushed, and Jing diffusion chambers 1 are discharged with bypass 2 after its speed lowers.
Claims (1)
1. crusher drill in a kind of New Horizontal Well spinning pulse, it is characterised in that install additional on the basis of conventional PDC drill bit
Mill apparatus in pulsing jet churning broken rock device, negative pressure pumping means and landwaste：
Described pulsing jet churning broken rock device includes resonatron, lower jet flow road, spinning nozzle, wing, and resonatron is by boring
Well liquid runner, feeding chamber, resonator cavity, resonatron outlet and shunting zone composition；Resonatron each several part is mutually butted successively connection, point
The outlet of stream area is connected with reverse high speed runner, lower jet flow road；Drilling fluid runner, feeding chamber, resonator cavity, resonatron are exported and divided
Stream area is coaxial circle cylindrical configuration；Feeding lumen footpath is 1.2 times of drilling fluid runner, and resonator cavity caliber is 0.8 times of runner,
Resonatron outlet caliber is 0.5 times of runner, and shunting zone caliber is 2 times of runner；Lower jet flow road is connected with shunting zone, outlet
In drill bit end, wherein being uniformly provided with 3 spinning nozzles；
Described negative pressure pumping means include reverse high speed runner, pumping chamber；Reversely high speed runner is connected with shunting zone outlet,
Outlet is in hybrid chamber；Pumping chamber is connected with drill bit end chip area, exports in hybrid chamber；
Mill apparatus include hybrid chamber, venturi, accelerating cavity, inner grinding cavity, interior mill body, bypass and diffusion chamber in described landwaste；Mixing
Chamber outside is connected with pumping chamber, reverse high speed runner, and inner side is docked and connected with venturi；Venturi is docked and connected with accelerating cavity, is
Cylindrical structure, caliber is 0.5 times of accelerating cavity caliber；Inner grinding cavity is connected with accelerating cavity, and both axis are in 138 ° of angles, plus
Fast chamber is cylindrical structure, and inner grinding cavity is prismatic configuration, and inner grinding cavity cross section is external positive six side of accelerating cavity circular cross-section
Shape；Interior mill body invests inner grinding cavity inwall, and just accelerating cavity is exported；Bypass and diffusion chamber are connected with inner grinding cavity, are cylinder
Construction, bypass and inner grinding cavity coaxial line, diffusion cavity axis are in 138 ° of angles with inner grinding cavity axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621148103.3U CN206111095U (en) | 2016-10-24 | 2016-10-24 | Horizontal well autogyration pulse internal grinding drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621148103.3U CN206111095U (en) | 2016-10-24 | 2016-10-24 | Horizontal well autogyration pulse internal grinding drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206111095U true CN206111095U (en) | 2017-04-19 |
Family
ID=58527858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621148103.3U Expired - Fee Related CN206111095U (en) | 2016-10-24 | 2016-10-24 | Horizontal well autogyration pulse internal grinding drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206111095U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285493A (en) * | 2016-10-24 | 2017-01-04 | 中国石油大学(北京) | Crusher drill in horizontal well spinning pulse |
| CN107829688A (en) * | 2017-11-21 | 2018-03-23 | 中南大学 | One kind, which is spun, shakes jetting type PDC drill bit |
| CN109611030A (en) * | 2018-11-28 | 2019-04-12 | 中国石油大学(北京) | Chip space type variable flow jet flow drill |
-
2016
- 2016-10-24 CN CN201621148103.3U patent/CN206111095U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285493A (en) * | 2016-10-24 | 2017-01-04 | 中国石油大学(北京) | Crusher drill in horizontal well spinning pulse |
| CN107829688A (en) * | 2017-11-21 | 2018-03-23 | 中南大学 | One kind, which is spun, shakes jetting type PDC drill bit |
| CN107829688B (en) * | 2017-11-21 | 2024-04-12 | 中南大学 | Jet-type PDC drill bit with rotary impact and vibration |
| CN109611030A (en) * | 2018-11-28 | 2019-04-12 | 中国石油大学(北京) | Chip space type variable flow jet flow drill |
| CN109611030B (en) * | 2018-11-28 | 2019-11-29 | 中国石油大学(北京) | Chip space type variable flow jet flow drill |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106285493A (en) | Crusher drill in horizontal well spinning pulse | |
| CN106285482A (en) | Crusher drill in self-excited oscillation pulse enhanced | |
| CN106246114A (en) | Mill drill pipe nipple in horizontal well pulse | |
| CN206111093U (en) | Pulse internal grinding drill bit is spouted soon at center | |
| CN101105115B (en) | Waterpower pulse cavitation jet well drilling device and drill bit | |
| CN200989162Y (en) | Hydraulic pulse cavitation jet-flow well drilling device and drill bit | |
| CN103790521B (en) | Horizontal well safe and efficient mud drilling jet mill drill bit | |
| CN206111095U (en) | Horizontal well autogyration pulse internal grinding drill bit | |
| US20160084083A1 (en) | Borehole Mining System and Methods Using Sonic-Pulsed Jetting Excavation and Eductor Slurry Recovery Apparatus | |
| CN206346717U (en) | Reacting cycle pulse pumping drill pipe nipple | |
| CN103628822B (en) | Horizontal well safe and efficient gas drilling jet mill drill bit | |
| CN104373044A (en) | Tangential injection type whirl flow jet flow grinding drill bit for horizontal well | |
| CN109611030B (en) | Chip space type variable flow jet flow drill | |
| CN106246110A (en) | Runner staggered form center churning underbalance pulse drill bit | |
| CN104806173A (en) | Oblique-crossing back mixing type jet mill drill bit of horizontal well | |
| CN206205787U (en) | Crusher drill in self-excited oscillation pulse enhanced | |
| CN206111094U (en) | Tandem type pulse reinforcing formula internal grinding drill bit | |
| CN204283227U (en) | A kind of horizontal well fixed guide vane type swirl jet crusher drill | |
| CN206111096U (en) | Horizontal well pulse internal grinding drill bit | |
| CN100582433C (en) | Hole bottom annular spacing strong suction device of through type down-the-hole hammer | |
| CN106703686B (en) | Pulsing jet formula impact of collision device | |
| CN109812232A (en) | A kind of self-advancing type multiple jet drill bit with support plate | |
| CN102913136B (en) | Helical-blade spiral-flow type flow-channel drill | |
| CN204283228U (en) | The tangential pouring-in swirl jet crusher drill of a kind of horizontal well | |
| CN106285491A (en) | Crusher drill in the churning pulse of center |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170419 Termination date: 20171024 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |