CN106869795A - A kind of well dynamic drill bit device - Google Patents
A kind of well dynamic drill bit device Download PDFInfo
- Publication number
- CN106869795A CN106869795A CN201710256405.5A CN201710256405A CN106869795A CN 106869795 A CN106869795 A CN 106869795A CN 201710256405 A CN201710256405 A CN 201710256405A CN 106869795 A CN106869795 A CN 106869795A
- Authority
- CN
- China
- Prior art keywords
- drill bit
- drilling fluid
- fuel cell
- hydrogen
- bit device
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 claims abstract description 115
- 239000012530 fluid Substances 0.000 claims abstract description 89
- 239000000446 fuel Substances 0.000 claims abstract description 51
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000001257 hydrogen Substances 0.000 claims abstract description 38
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 38
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000001301 oxygen Substances 0.000 claims abstract description 29
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 29
- 238000002309 gasification Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 33
- 238000003825 pressing Methods 0.000 claims description 20
- 239000011435 rock Substances 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 16
- 238000003466 welding Methods 0.000 claims description 13
- 210000002683 foot Anatomy 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 238000009792 diffusion process Methods 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 description 8
- 238000003860 storage Methods 0.000 description 7
- 241001074085 Scophthalmus aquosus Species 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005842 biochemical reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004227 thermal cracking Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
-
- 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
- E21B10/00—Drill bits
- E21B10/08—Roller bits
-
- 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
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
- E21B17/1021—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs
- E21B17/1028—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs with arcuate springs only, e.g. baskets with outwardly bowed strips for cementing operations
-
- 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
- E21B4/04—Electric drives
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The present invention provides a kind of well dynamic drill bit device, is related to energy drilling technique field, including：Fuel cell, heater, pressue device and drill bit, wherein, the fuel cell, hydrogen and oxygen for receiving outside transmission make the hydrogen be reacted with the oxygen and discharge heat and electric energy；The heater, heats for absorbing the heat with to drilling fluid, above-critical state drilling fluid is formed under specified temp pressure and accelerates drilling well；The pressue device, for pressurizeing the drilling fluid after the gasification in the presence of the electric energy, the drilling fluid after pressurization is sprayed by the drill bit to carry out jet drilling well.The present invention realizes efficient quick drill and enters, and can reach bigger drilling well well depth, meets the demand of deep layer probing at present.
Description
Technical field
The present invention, on energy drilling technique field, is concretely a kind of especially with regard to petroleum engineering well drilling technology
Well dynamic drill bit device.
Background technology
With the exploration and development degree more and more higher of Shallow Oil-Gas resource, Deep Oil And Gas Exploration resource turns into China's petroleum resources war
The key areas slightly taken over.About 40% is in deep formation (>=4500m) in China's Remaining Oil And Gas resource, and Deep Oil And Gas Exploration resource is surveyed
Visiting exploitation has turned into the great demand of China's oil gas development.Therefore, it is current grinding how Deep Oil And Gas Exploration resource exploit
Study carefully emphasis.
During deep-well, the drilling prospection of ultradeep well, ground energy is transmitted traditional drill bit device from ground to shaft bottom
During there is greater loss, thus result in that bottom pressure is not enough, the drilling speed relatively slow, inefficiency of drilling well.If increasing ground
The pressure of face energy, although the energy for being transferred to shaft bottom can be lifted, but too high pressure can bend again the drilling rod of drill bit device
Clothes deformation is even squeezed and ruined.Additionally, the liquid in traditional drill bit device returns consideration of the heat-extraction system for safety factor, ground cannot carry
For too high pump pressure, and drilling fluid loses larger along stroke pressure in deep-well, ultradeep well, causes bottom hydraulic energy not enough, takes
Rock is inefficient.
Meanwhile, basin, mountain area are imbedded in Deep Oil And Gas Exploration resource more, the supply of electric power of drilling prospection depends on power plant to set up
Power network, electric cost is higher, and traditional power plant is generated electricity using fossil energy, and capacity usage ratio is relatively low, while can also put
Go out poisonous and harmful particulate matter and greenhouse gases, severe contamination environment aggravates greenhouse effects.Further, since deep formation rock
Hardness is high, drillability is poor, traditional WJD deep hard formation drilling efficiency it is low, the cycle is long, high cost.
Therefore, how to research and develop out a kind of new equipment, its can be applied to Deep Oil And Gas Exploration resource be this area urgently
Technical barrier to be solved.
The content of the invention
The invention provides a kind of well dynamic drill bit device, chemical energy is converted into by electric energy and then straight using fuel cell
Downhole drill bit device energy supply is connected in, due to, bottom pressure abundance small along journey energy loss, it is achieved that efficient quick drill enters,
Bigger drilling well well depth is can reach, the demand of deep layer probing at present is met.
It is an object of the present invention to provide a kind of lower power drill bit device, fuel cell, heater, pressue device and
Drill bit,
Wherein, wherein, the fuel cell, hydrogen and oxygen for receiving outside transmission make the hydrogen and institute
Oxygen is stated to react and discharge heat and electric energy；
The heater, heating and gasifying is carried out for absorbing the heat with to drilling fluid；
The pressue device, for being pressurizeed to the drilling fluid after the gasification in the presence of the electric energy, will add
Drilling fluid after pressure sprays to carry out jet drilling well by the drill bit.
In a preferred embodiment of the invention, the fuel cell includes the relative air stream field plate and hydrogen for combining
Flow-field plate.
In a preferred embodiment of the invention, the air stream field plate is annular, including air circular hole runner, air
Gas diffusion chamber and air coolant flow channel.
In a preferred embodiment of the invention, the hydrogen stream field plate is annular, including hydrogen circular hole runner, hydrogen
Gas diffusion chamber and hydrogen_cooling runner, the air coolant flow channel are mutually correspondingly formed ring-type with the hydrogen_cooling runner
Runner.
In a preferred embodiment of the invention, multiple welding foots are provided with the fuel cell, by the welding
With the drill bit be fixedly connected the fuel cell by pin.
In a preferred embodiment of the invention, the drill bit device also includes drill bit drilling fluid reclamation pipe, drill bit drilling well
Liquid reclaims header, shell and drill bit drilling fluid conveying header；The drill bit drilling fluid conveys header welding in the shell
Surface, the bend loss of the drill bit drilling fluid reclamation pipe is welded with the cylindrical anchor ring of the drill bit drilling fluid reclamation header, described
The straight section of drill bit drilling fluid reclamation pipe is located in the outer side annular clearance.
In a preferred embodiment of the invention, the heater includes heating fin and heating tube, the heating
Pipe is welded on the fuel cell, and the heating fin is welded in the fuel cell and the heating tube.
In a preferred embodiment of the invention, the pressue device includes explosion-proof electric rotating machine, motor fixed disk, blade
Fixed disk and pressing blade, the explosion-proof electric rotating machine are fixed on the motor fixed disk by screw, and the motor is consolidated
Price fixing is welded in the shell inner ring surface inwall, and the main shaft of the explosion-proof electric rotating machine is carried out with the blade fixed disk upper surface
Socket weld, the pressing blade is fixed on the blade fixed disk by high-strength screw, and the drill bit is solid with the blade
Price fixing lower surface carries out socket weld, and the explosion-proof electric rotating machine is powered and rotates and drive the pressing blade and the drill bit turn
It is dynamic.
In a preferred embodiment of the invention, the drill bit device also includes bow spring centralizer, the bow spring centralizer
Two ends be welded in the outer ring surface of the shell.
In a preferred embodiment of the invention, the drill bit is rock bit.
The beneficial effects of the present invention are, there is provided a kind of well dynamic drill bit device, chemical energy is turned by fuel cell
Turn to electric energy and then directly for downhole drill bit device energy supply, due to small along journey energy loss, bottom pressure is sufficient, it is achieved that
Efficient quick drill enters, and can reach bigger drilling well well depth, meets the demand of deep layer probing at present.
It is that above and other objects, features and advantages of the invention can be become apparent, preferred embodiment cited below particularly,
And coordinate institute's accompanying drawings, it is described in detail below.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of structured flowchart of well dynamic drill bit device provided in an embodiment of the present invention；
The front view of drill bit device in the specific embodiment that Fig. 2 present invention is provided；
The profile of drill bit device in the specific embodiment that Fig. 3 present invention is provided；
The schematic internal view of drill bit device in the specific embodiment that Fig. 4 present invention is provided.
The practical application schematic diagram of well dynamic drill bit device in the specific embodiment that Fig. 5 is provided for the present invention.
Drawing reference numeral：
1 hydrogen expansion box
2 oxygen expansion boxes
3 pressurized with hydrogen delivery pumps
4 oxygen pressing delivery pumps
5 capstan winches
6 coiled tubings
7 drilling fluid reclamation pipelines
8 drilling fluid feed-lines
9 drilling fluid draw-off pumps
10 drilling fluid pressurized delivered pumps
11 drilling fluid storage tanks
12 hydrogen delivery tube lines
13 oxygen conveying pipe lines
14 bow spring centralizers
15 drill bit drilling fluid reclamation pipes
16 drill bit drilling fluid reclamation headers
17 shells
18 drill bit drilling fluids convey header
19 fuel cells
20 heating fins
21 heating tubes
22 explosion-proof electric rotating machines
23 motor fixed disks
24 blade fixed disks
25 pressing blades
26 drill bits
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Below with reference to some representative embodiments of the invention, principle of the invention and spirit are explained in detail.It is situated between first
Continue technical know-how of the invention.With reference to high-pressure water jet method and rock thermal cracking rock breaking method, the present invention proposes high temp jet
New departure of efficient rock-breaking, high-pressure water jet scheme is mainly crushed using water jets impact power to bottom rock, rock fever
Cracking allows its inside to produce the thermal stress of non-homogeneous expansion using the high-temperature mediums such as hot-air, flame heating rock, splits rock
Solution is broken.High temp jet Mathematical Modeling includes：
(1) continuity equation
In formula, ux、uy、uzRespectively tri- velocity components in direction of X, Y, Z, m/s；T is time, s；ρ is density, kg/
m3。
In formula：It is fluid velocity vectors, unit m/s.
(2) equation of momentum
In formula, p is the pressure on fluid micro unit, Pa；μ is dynamic viscosity, Pas；fx、fy、fzIt is three lists in direction
Position mass force, m/s2.
(3) energy equation
In formula：E is the total energy of fluid micellar, J/kg, comprising interior energy, potential energy and kinetic energy sum, E=h-p/ ρ+u2/2；H is
Enthalpy, J/kg；hjIt is the enthalpy of component j, J/kg；keffIt is size fractal dimension, W/ (mK), keff=k+kt, ktFor turbulent flow heat is passed
Coefficient is led, is defined according to turbulence model used；JjIt is the diffusion flux of component j；ShFor contain chemical reaction heat and other
User-defined volumetric sources.
(4) equation of gas state
If real gas considers compressibility, state equation is that p=Z ρ RT, Z are the compressed coefficient of real gas.R is pervasive
Gas constant, Jmol1K1.
The transport equation of realizable k-ε model is：
Wherein：
In formula, GkAnd GbIt is to be produced by tubulence energy；C1ε、C2ε、C3ε、C2And A0It is empirical, C1ε=1.44, C2ε=
1.9、C3ε=0.09, C2=0.9, A0=4.0；σk、σεThe respectively tubulence energy Prandtl number corresponding with turbulence dissipative shock wave.
According to above-mentioned principle, the invention provides a kind of well dynamic drill bit device, Fig. 1, the drill bit device are referred to
Including fuel cell 19, heater, pressue device and drill bit 26；
The fuel cell 19, hydrogen and oxygen for receiving outside transmission, makes the hydrogen be sent out with the oxygen
Raw reaction simultaneously discharges heat and electric energy.
In other embodiment of the invention, hydrogen mouthful, oxygen port can be set in fuel cell 19, for realizing hydrogen
The conveying of gas, oxygen.
The heater, heating and gasifying is carried out for absorbing the heat with to drilling fluid；
The pressue device, for being pressurizeed to the drilling fluid after the gasification in the presence of the electric energy, will add
Drilling fluid after pressure sprays to carry out jet drilling well by the drill bit 26.
In one embodiment of the invention, the fuel cell 19 includes the relative air stream field plate and hydrogen for combining
Air-flow field plate.The air stream field plate be annular, including air circular hole runner, air gas diffusion chamber and air cooling stream
Road, the hydrogen stream field plate is annular, including hydrogen circular hole runner, hydrogen gas diffusion chamber and hydrogen_cooling runner, institute
State air coolant flow channel and be mutually correspondingly formed annular runner with the hydrogen_cooling runner, the fuel cell 19 uses metal material
Material is made.
In the specific embodiment shown in Fig. 3, fuel cell uses a kind of annular fuel battery double plates, air flow field
Plate and hydrogen stream field plate are mutually corresponding with the circular hole runner that membrane electrode is contacted.It is and general because bipolar plates are made of metal material
Logical graphite bi-polar plate is hardly damaged compared to having good mechanical performance, easy processing and thickness of thin, thus can reduce pile
Volume, and using the relatively conventional parallel fluid channels of the shearing force suffered by round dot runner its membrane electrode, serpentine flow path and interdigital
Runner is small, thus can improve the impact resistance of pile.
In one embodiment of the invention, the drill bit device is also bored including drill bit drilling fluid reclamation pipe 15, drill bit
Well liquid reclaims header 16, shell 17 and drill bit drilling fluid conveying header 18；
The heater includes heating fin 20 and heating tube 21；
The pressue device includes explosion-proof electric rotating machine 22, motor fixed disk 23, blade fixed disk 24 and pressing blade
25。
In specific embodiment shown in the front view and Fig. 3 of the drill bit device in the specific embodiment shown in Fig. 2
Visible in the profile of drill bit device, the drill bit drilling fluid conveying header 18 is welded in the surface of the shell 17, the brill
The bend loss of head drilling fluid reclamation pipe 15 is welded with the cylindrical anchor ring of the drill bit drilling fluid reclamation header 16, the drill bit drilling well
The straight section of liquid recovery tube 15 is located in the outside annular clearance of the shell 17, and the heating tube 21 is welded to the fuel cell 19
Shell ring surface on, it is described heating fin 20 be welded in the shell of the fuel cell 19 and the heating tube 21, it is described
Explosion-proof electric rotating machine 22 is fixed on the motor fixed disk 23 by screw, and the motor fixed disk 23 is welded in the shell
17 inner ring surface inwalls, the main shaft of explosion-proof electric rotating machine 22 carries out socket weld with the upper surface of blade fixed disk 24, described to add
Pressure blade 25 is fixed on the blade fixed disk 24 by high-strength screw, under the drill bit 26 and the blade fixed disk 24
Surface carries out socket weld, and the explosion-proof electric rotating machine 22 is powered and rotates and drive the pressing blade 25 and 26 turns of the drill bit
It is dynamic.
In the specific embodiment shown in Fig. 2, Fig. 3, the drill bit is rock bit, and heating tube 21 is along the circumferential direction uniform
Multiple, heating fin 20 is multiple along the shell radial equipartition of fuel cell 19.By high temperature high voltage resistant aviation plug by fuel cell
19 electric energy for being discharged are incorporated on explosion-proof electric rotating machine 22 rotates motor, and drill bit 26 is in this embodiment rock bit,
It carries out socket weld with the lower surface of gasification drilling fluid pressing blade fixed disk 24, and explosion-proof electric rotating machine 22 is powered, and simultaneously band is taken offence for rotation
Drilling fluid pressing blade 25 and rock bit are rotated.Heated pipe 21 and heating fin 20 carry out the brill after high-temperature heating gasification
Well liquid, the gasification drilling fluid for carrying out pressurization so as to HTHP is obtained is rotated by the drilling fluid pressing blade 25 that gasifies, and high temperature is high
Drilling fluid of calming the anger sprays by rock bit central cavity and carries out jet drilling well.
In one embodiment of the invention, the shell body of the fuel cell 19 is provided with multiple welding foots, passes through
With the shell 17 of the drill bit be fixedly connected the fuel cell 19 by welding foot.
In the particular embodiment, as shown in figure 4, the shell body of fuel cell 19 can process four welding foots, by welding
With shell inner ring surface side wall be fixedly connected fuel cell 19 by pin, and hydrogen and oxygen are input in new fuel cell 19
Portion, hydrogen issues biochemical reaction and produces huge electric energy and heat energy with oxygen in the effect of the internal accelerator of fuel cell 19.
In one embodiment of the invention, the drill bit device 400 also includes bow spring centralizer 14, and the bow spring is helped
The two ends of positive device 14 are welded in the outer ring surface of the shell 17.
In the particular embodiment, bow spring 14 circumferencial directions of centralizer are uniformly multiple, and the Main Function of bow spring centralizer 14 is
Carrying out righting to drill bit in drilling process prevents eccentric well from occurring, and the middle straight section outer surface of bow spring centralizer 14 is welded with
Three steel balls of protrusion, prevent whole head device from occurring, with situation is turned, causing upper pipeline to occur during bit
Winding.
With reference to specific embodiment, the drill bit device of present invention offer is discussed in detail.As shown in figure 5, in the implementation
In example, drill bit device is arranged in specific well system, as shown in figure 5, being provided with hydrogen expansion box in the well system
1st, oxygen expansion box 2, pressurized with hydrogen delivery pump 3, oxygen pressing delivery pump 4, coiled tubing conveying capstan winch 5, coiled tubing 6, brill
Well liquid recovery line 7, drilling fluid feed-line 8, drilling fluid draw-off pump 9, drilling fluid pressurized delivered pump 10, drilling fluid storage tank 11,
Hydrogen delivery tube line 12, oxygen conveying pipe line 13, with drill bit device co-ordination, carry out drilling well work.Specifically：
Hydrogen expansion box 1 is connected with the hydrogen mouth of fuel cell 19 by hydrogen delivery tube line 12 and realizes that hydrogen is conveyed, hydrogen
Gas pressurized delivered pump 3 provides hydrogen conveying power source, and hydrogen delivery tube line 12 is prepared using the high pressure resistant flexible pipe of high-strength high temperature-resistant.
Oxygen expansion box 2 carries out mouth and is connected to realize that oxygen is defeated by oxygen conveying pipe line 13 and the oxygen of fuel cell 19
Send, oxygen pressing delivery pump 4 provides oxygen conveying power source, oxygen conveying pipe line 13 uses the high pressure resistant flexible pipe of high-strength high temperature-resistant
Prepare.
The upper end of coiled tubing 6 conveys capstan winch 5 and is drawn by coiled tubing, and lower end is welded in the upper surface of drill bit shell 17
On, the traction to whole rig, drilling fluid reclamation pipeline 7, the conveying of drilling fluid feed-line 8, hydrogen are realized by coiled tubing 6
Pipeline 12, oxygen conveying pipe line 13 in company with coiled tubing 6 one remove into realize medium transmit.
Drilling fluid feed-line 8 collects with drilling fluid storage tank 11, the conveying of drilling fluid pressurized delivered pump 10, drill bit drilling fluid respectively
Case 18 is welded, and carries out extracting pressurization that to be transported to drill bit drilling fluid defeated to drilling fluid by drilling fluid pressurized delivered pump 10
Send in header 18, drill bit drilling fluid conveying header 18 is welded in the upper surface of drill bit shell 17, under drill bit drilling fluid conveying header 18
Hold as annular space makes drilling fluid enter into drill bit internal, drilling fluid feed-line 8 is prepared using the high pressure resistant flexible pipe of high-strength high temperature-resistant.
Drilling fluid reclamation pipeline 7 respectively with drilling fluid storage tank 11, drilling fluid draw-off pump 9, drill bit drilling fluid reclamation header 16
Welded, drill bit drilling fluid reclamation 15 circumferencial directions of pipe are uniformly multiple, the bend loss of drill bit drilling fluid reclamation pipe 15 is bored with drill bit
Well liquid reclaims the cylindrical anchor ring of header 16 and is welded, and the straight section of drill bit drilling fluid reclamation pipe 15 is located at the outside annular space of drill bit shell 17
In gap, drilling fluid is reclaimed by drill bit drilling fluid reclamation pipe 15, drilling fluid reclamation pipeline 7 is resistance to using high-strength high temperature-resistant
It is prepared by high-pressure hose.
The two ends of bow spring centralizer 14 are welded in the outer ring surface of drill bit shell 17, and bow spring 14 circumferencial directions of centralizer are uniformly multiple,
The Main Function of bow spring centralizer 14 is to carry out righting to drill bit in drilling process to prevent eccentric well from occurring, bow spring centralizer 14
Middle straight section outer surface be welded with three protrusion steel balls, prevent whole head device occur during bit with turn
Situation, causes upper pipeline to wind.
The shell body of fuel cell 19 is machined with four welding foots, by welding foot by fuel cell 19 and drill bit shell inner ring
Surface side wall is fixedly connected, and hydrogen and oxygen are input to new combustion by hydrogen delivery tube line 12 respectively with oxygen conveying pipe line 13
Inside material battery 19, hydrogen issues biochemical reaction and produces huge electric energy with oxygen in the effect of the internal accelerator of fuel cell 19
And heat energy.
Heating tube 21 is welded on the shell ring surface of fuel cell 19 and along the circumferential direction uniform multiple, heating fin 20 edge
The shell radial equipartition of new fuel cell 19 is multiple and is welded in the shell of new fuel cell 19 and heating tube 21, heating tube 21
And heating fin 20 absorbs the heat that new fuel cell internal chemical reacts discharged, and drill bit drilling fluid is conveyed into header 18
The drilling fluid of output is heated and gasified.
Explosion-proof electric rotating machine 22 is fixed on motor fixed disk 23 by screw, and motor fixed disk 23 is welded in drill bit shell
17 inner ring surface inwalls, explosion-proof rotation is incorporated into by high temperature high voltage resistant aviation plug by the electric energy that new fuel cell 19 is discharged
Motor is rotated on motor 22, the main shaft of explosion-proof electric rotating machine 22 is held with the upper surface of gasification drilling fluid pressing blade fixed disk 24
Weldering is inserted, gasification drilling fluid pressing blade 25 is fixed on gasification drilling fluid pressing blade fixed disk 24 by high-strength screw, bored
First 26 carry out socket weld with the lower surface of gasification drilling fluid pressing blade fixed disk 24, and explosion-proof electric rotating machine 22 is powered and rotates and drive
Gasification drilling fluid pressing blade 25 and drill bit 26 are rotated.
Heated pipe 21 and heating fin 20 carry out the drilling fluid after high-temperature heating gasification, by the drilling fluid pressurization leaf that gasifies
Piece 25 rotates the gasification drilling fluid for carrying out pressurization so as to HTHP is obtained, and HTHP gasifies drilling fluid by rock bit 26
Central cavity sprays carries out jet drilling well.
In sum, the invention provides a kind of well dynamic drill bit device, with advantages below：
1. in drill bit device fuel cell as electric power system for downhole electrical motor provides power, direct shaft bottom energy supply, along journey
Energy loss is smaller, and bottom pressure is sufficient, it is ensured that efficient quick drill enters, and can reach bigger drilling well well depth；
2. in drill bit device, the drilling fluid in shaft bottom can be extracted on ground, in the case where ground provides identical pump pressure, well
The hydraulic energy at bottom is higher, and it is in hgher efficiency to take rock, effectively prevents shaft bottom landwaste bit freezing, increases drilling speed, improves drilling efficiency；
3. the chemical energy of fuel is directly converted into electric energy by drill bit device using fuel cell and transformer, it is to avoid chemistry
Heat energy can be arrived, then to the energy loss in mechanical energy, power process, with up to 45%~60% energy transformation ratio, while
The discharge of pollutant reduces several orders of magnitude, greatly reduces environmental pollution；
4. by outlet at bottom be transferred in heat riser the liquid after burning by drill bit device, then is injected by connecting tube
To in pressue device, this high-temperature, high pressure fluid is injected into shaft bottom by pressue device by triple valve, forms high-temperature high-pressure jet-flow
Impact deep layer hard rock；
5. because this programme is based on thermal cracking, and the new drill of high temp jet drilling well is combined up to conventional drilling method brill
More than five times of speed, are conducive to rapid drilling, meet the demand of deep layer probing at present.
6., by the drill bit of energy supply heating system under fuel cells applications to drilling well industry, particularly planned well, perfect can solve
The certainly energy supply problem of mud motor, and the hot properties of fuel cell is innovatively carried out into high temp jet broken rock, can
Play a part of to turn waste into wealth.
As seen through the above description of the embodiments, those skilled in the art can be understood that the application can
Realized by the mode of software plus required general hardware platform.Based on such understanding, the technical scheme essence of the application
On the part that is contributed to prior art in other words can be embodied in the form of software product, the computer software product
Can store in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are used to so that a computer equipment
(can be personal computer, server, or network equipment etc.) performs some of each embodiment of the application or embodiment
Method described in part.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.Especially for system reality
Apply for example, because it is substantially similar to embodiment of the method, so description is fairly simple, related part is referring to embodiment of the method
Part explanation.
The application can be used in numerous general or special purpose computing system environments or configuration.For example：Personal computer, clothes
Business device computer, handheld device or portable set, laptop device, multicomputer system, the system based on microprocessor, put
Top box, programmable consumer-elcetronics devices, network PC, minicom, mainframe computer, including any of the above system or equipment
DCE etc..
The application can be described in the general context of computer executable instructions, such as program
Module.Usually, program module includes performing particular task or realizes routine, program, object, the group of particular abstract data type
Part, data structure etc..The application can also be in a distributed computing environment put into practice, in these DCEs, by
Remote processing devices connected by communication network perform task.In a distributed computing environment, program module can be with
In local and remote computer-readable storage medium including including storage device.
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that the application have it is many deformation and
Change is without deviating from spirit herein, it is desirable to which appended claim includes these deformations and changes without deviating from the application's
Spirit.
Claims (10)
1. a kind of well dynamic drill bit device, it is characterized in that, the drill bit device includes fuel cell, heater, pressurization dress
Put and drill bit,
Wherein, the fuel cell, hydrogen and oxygen for receiving outside transmission, makes the hydrogen occur with the oxygen
React and discharge heat and electric energy；
The heater, heating and gasifying is carried out for absorbing the heat with to drilling fluid；
The pressue device, for being pressurizeed to the drilling fluid after the gasification in the presence of the electric energy, after pressurization
Drilling fluid sprayed carrying out jet drilling well by the drill bit.
2. drill bit device according to claim 1, it is characterized in that, the fuel cell includes the relative air flow field for combining
Plate and hydrogen stream field plate.
3. drill bit device according to claim 2, it is characterized in that, the air stream field plate is annular, including air circle
Hole runner, air gas diffusion chamber and air coolant flow channel.
4. drill bit device according to claim 3, it is characterized in that, the hydrogen stream field plate is annular, including hydrogen circle
Hole runner, hydrogen gas diffusion chamber and hydrogen_cooling runner, the air coolant flow channel are mutual with the hydrogen_cooling runner
It is correspondingly formed annular runner.
5. drill bit device according to claim 2, it is characterized in that, multiple welding foots are provided with the fuel cell, lead to
The welding foot is crossed to be fixedly connected the fuel cell with the drill bit.
6. drill bit device according to claim 1, it is characterized in that, the drill bit device also includes drill bit drilling fluid reclamation
Pipe, drill bit drilling fluid reclamation header, shell and drill bit drilling fluid conveying header, drill bit drilling fluid conveying header welding in
The surface of the shell, the cylindrical anchor ring of the bend loss of the drill bit drilling fluid reclamation pipe and the drill bit drilling fluid reclamation header
Welding, the straight section of the drill bit drilling fluid reclamation pipe is located in the outer side annular clearance.
7. drill bit device according to claim 6, it is characterized in that, the heater includes heating fin and heating
Pipe, the heating tube is welded on the fuel cell, and the heating fin is welded to the fuel cell and the heating tube
On.
8. drill bit device according to claim 7, it is characterized in that, the pressue device includes explosion-proof electric rotating machine, motor
Fixed disk, blade fixed disk and pressing blade, the explosion-proof electric rotating machine are fixed on the motor fixed disk by screw,
The motor fixed disk is welded in the shell inner ring surface inwall, the main shaft of the explosion-proof electric rotating machine and the blade fixed disk
Upper surface carries out socket weld, and the pressing blade is fixed on the blade fixed disk by high-strength screw, the drill bit with
The blade fixed disk lower surface carries out socket weld, and the explosion-proof electric rotating machine is powered and rotates and drive the pressing blade and institute
State drill bit rotation.
9. drill bit device according to claim 6, it is characterized in that, the drill bit device also includes bow spring centralizer, described
The two ends for bending spring centralizer are welded in the outer ring surface of the shell.
10. drill bit device according to claim 1, it is characterized in that, the drill bit is rock bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256405.5A CN106869795B (en) | 2017-04-19 | 2017-04-19 | A kind of well dynamic drill bit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256405.5A CN106869795B (en) | 2017-04-19 | 2017-04-19 | A kind of well dynamic drill bit device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106869795A true CN106869795A (en) | 2017-06-20 |
| CN106869795B CN106869795B (en) | 2018-11-20 |
Family
ID=59163809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710256405.5A Active CN106869795B (en) | 2017-04-19 | 2017-04-19 | A kind of well dynamic drill bit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106869795B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281606A (en) * | 2018-09-19 | 2019-01-29 | 成都理工大学 | The electronic drilling apparatus and system of shallow well |
| CN114991671A (en) * | 2022-08-08 | 2022-09-02 | 奥瑞拓能源科技股份有限公司 | Underground self-pressurization type jet device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3818996A (en) * | 1972-10-10 | 1974-06-25 | Sun Oil Co | Repulsing clays on drill bits |
| DE3144799A1 (en) * | 1981-10-29 | 1983-07-14 | Christian Dipl.-Ing. 8900 Augsburg Strobel | Percussion drilling rig |
| CN201013230Y (en) * | 2007-03-07 | 2008-01-30 | 王国庚 | Novel portable demodulator drilling machine |
| CN101672170A (en) * | 2009-09-01 | 2010-03-17 | 中国地质大学（北京） | Novel electronic directional corer |
| CN101772614A (en) * | 2007-06-26 | 2010-07-07 | 普拉德研究及开发股份有限公司 | Rotary steerable drilling system |
| DE102010010637A1 (en) * | 2010-03-09 | 2011-09-15 | Abf-Bohrtechnik Gmbh & Co. Kg | Drilling equipment for drilling ground holes into building, has transverse bore running transverse to axis of tool, drive cultivated at kelly bar or at intermediate piece or at tool, and bolt moved out from bore by drive |
-
2017
- 2017-04-19 CN CN201710256405.5A patent/CN106869795B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3818996A (en) * | 1972-10-10 | 1974-06-25 | Sun Oil Co | Repulsing clays on drill bits |
| DE3144799A1 (en) * | 1981-10-29 | 1983-07-14 | Christian Dipl.-Ing. 8900 Augsburg Strobel | Percussion drilling rig |
| CN201013230Y (en) * | 2007-03-07 | 2008-01-30 | 王国庚 | Novel portable demodulator drilling machine |
| CN101772614A (en) * | 2007-06-26 | 2010-07-07 | 普拉德研究及开发股份有限公司 | Rotary steerable drilling system |
| CN101672170A (en) * | 2009-09-01 | 2010-03-17 | 中国地质大学（北京） | Novel electronic directional corer |
| DE102010010637A1 (en) * | 2010-03-09 | 2011-09-15 | Abf-Bohrtechnik Gmbh & Co. Kg | Drilling equipment for drilling ground holes into building, has transverse bore running transverse to axis of tool, drive cultivated at kelly bar or at intermediate piece or at tool, and bolt moved out from bore by drive |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281606A (en) * | 2018-09-19 | 2019-01-29 | 成都理工大学 | The electronic drilling apparatus and system of shallow well |
| CN114991671A (en) * | 2022-08-08 | 2022-09-02 | 奥瑞拓能源科技股份有限公司 | Underground self-pressurization type jet device |
| CN114991671B (en) * | 2022-08-08 | 2022-11-08 | 奥瑞拓能源科技股份有限公司 | Underground self-pressurization type jet device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106869795B (en) | 2018-11-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11788516B2 (en) | Systems and methods of generating electricity using heat from within the earth | |
| US20200217304A1 (en) | Systems and methods of generating electricity using heat from within the earth | |
| CN107939621B (en) | S-CO based on geothermal energy of heating dry rock of fin sleeve 2 Power generation system and method | |
| CN106869782B (en) | A kind of hole-bottom power drilling system | |
| US6962054B1 (en) | Method for operating a heat exchanger in a power plant | |
| CN102493795A (en) | Method for gasification fracturing of liquid nitrogen in hydrocarbon reservoirs | |
| CN106437669B (en) | A kind of thermal cracking seam method and system for deep hot dry rock formation production | |
| US8610303B2 (en) | System and method for downhole geothermal electrical power generation | |
| CN106382097B (en) | A kind of drilling rig and method using liquid nitrogen injection efficient rock-breaking | |
| CN106869795B (en) | A kind of well dynamic drill bit device | |
| US20150101779A1 (en) | System and Method of Maximizing Performance of a Solid-State Closed Loop Well Heat Exchanger | |
| WO1996003566A2 (en) | Improvements in or relating to drilling with gas liquid swirl generator hydrocyclone separation combustion thermal jet spallation | |
| Ledgerwood Jr | Efforts to develop improved oilwell drilling methods | |
| CN111520110A (en) | Supercritical CO of horizontal well2Method and system for developing enhanced geothermal energy by fracturing | |
| WO2016057765A1 (en) | Thermally assisted oil production wells | |
| CN111305755B (en) | High-temperature abrasive jet drilling system and drilling method | |
| WO2009158629A1 (en) | Methods and systems for hole reclamation for power generation via geo-saturation of secondary working fluids | |
| CN212867523U (en) | Coal underground gasification and geothermal combined system | |
| JP2023539504A (en) | Cooling for geothermal well drilling | |
| US20100270001A1 (en) | System and method of maximizing grout heat conductibility and increasing caustic resistance | |
| WO2010144073A1 (en) | System and method of maximizing heat transfer at the bottom of a well using heat conductive components and a predictive model | |
| US6820422B1 (en) | Method for improving power plant thermal efficiency | |
| Shi et al. | Simulation and Analysis of a Split Drill Bit for Pneumatic DTH Hammer Percussive Rotary Drilling | |
| US11512635B2 (en) | Gas turbine waste heat utilization | |
| US20240287970A1 (en) | Drilling equipment powered by geothermal energy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |