CN106869782B - A kind of hole-bottom power drilling system - Google Patents
A kind of hole-bottom power drilling system Download PDFInfo
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- CN106869782B CN106869782B CN201710256417.8A CN201710256417A CN106869782B CN 106869782 B CN106869782 B CN 106869782B CN 201710256417 A CN201710256417 A CN 201710256417A CN 106869782 B CN106869782 B CN 106869782B
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- oxygen
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- 238000005553 drilling Methods 0.000 title claims abstract description 202
- 239000012530 fluid Substances 0.000 claims abstract description 161
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000001257 hydrogen Substances 0.000 claims abstract description 74
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 74
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000001301 oxygen Substances 0.000 claims abstract description 63
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 63
- 239000000446 fuel Substances 0.000 claims abstract description 52
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 230000009471 action Effects 0.000 claims abstract description 16
- 238000002309 gasification Methods 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims abstract 2
- 238000003825 pressing Methods 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 238000009792 diffusion process Methods 0.000 claims description 7
- 239000000284 extract Substances 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 11
- 239000011435 rock Substances 0.000 description 14
- 210000002683 foot Anatomy 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 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
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 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
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 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
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000013178 mathematical model 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
- 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
- 239000010959 steel 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/04—Electric drives
-
- 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
-
- 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
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)
- Fuel Cell (AREA)
Abstract
The present invention provides a kind of hole-bottom power drilling system, is related to energy drilling technique field, comprising: hydrogen conveyor；Oxygen conveying device；Drilling fluid conveying device, for conveying drilling fluid to the drill bit device；Traction device, for being drawn to the drill bit device；Drilling fluid draw-out device, for extracting the drilling fluid in drill bit device；Drill bit device includes fuel cell, heating device, pressurizing device and drill bit；Fuel cell makes the hydrogen and the oxygen react and release heat and electric energy for receiving the hydrogen and the oxygen；The heating device, for absorbing the heat to carry out heating and gasifying to the drilling fluid；The pressurizing device sprays the drilling fluid after pressurization to carry out jet stream drilling well by the drill bit for pressurizeing under the action of the electric energy to the drilling fluid after the gasification.The present invention realizes efficient quick drill into can reach bigger drilling well well depth, meet the needs of deep layer is drilled at present.
Description
Technical field
The present invention is about energy drilling technique field, is concretely a kind of especially with regard to petroleum engineering well drilling technology
Hole-bottom power drilling system.
Background technique
As the exploration and development degree of Shallow Oil-Gas resource is higher and higher, Deep Oil And Gas Exploration resource is fought as China's petroleum resources
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
Visit the great demand that exploitation has become the development of China's oil gas.Therefore, how to carry out exploitation to Deep Oil And Gas Exploration resource is current grind
Study carefully emphasis.
Traditional well system deep-well, ultradeep well drilling prospection during, ground energy from ground to shaft bottom transmit
During there are greater loss, thus lead to that bottom pressure is insufficient, drilling speed is relatively slow, drilling well inefficiency.If increasing ground
The pressure of face energy, although the energy for being transferred to shaft bottom can be promoted, excessively high pressure can be such that the drilling rod of well system bends again
Clothes deformation, which is even squeezed, ruins.In addition, the liquid in traditional well system returns the considerations of heat-extraction system is for safety factor, ground can not be mentioned
For excessively high pump pressure, and drilling fluid is larger along stroke pressure loss in deep-well, ultradeep well, causes bottom hydraulic energy insufficient, takes
Rock is inefficient.
Meanwhile Deep Oil And Gas Exploration resource is imbedded in basin, mountain area more, the power supply of drilling prospection is set up dependent on power plant
Power grid, electric cost is higher, and traditional power plant using fossil energy generate electricity, capacity usage ratio is lower, while can also put
Poisonous and harmful particulate matter and greenhouse gases out seriously pollute environment, aggravate greenhouse effects.Further, since deep formation rock
Hardness is high, drillability is poor, and traditional water jet drilling is deep hard formation drilling efficiency is low, the period is long, at high cost.
Therefore, how to research and develop out a kind of new equipment, can be applied to Deep Oil And Gas Exploration resource be this field urgently
Technical problem to be solved.
Summary of the invention
The present invention provides a kind of hole-bottom power drilling systems, use hydrogen conveyor, oxygen conveying device for fuel
Battery makees conveying hydrogen, oxygen, is converted electric energy for chemical energy by fuel cell and then is directly energized for downhole drill bit device, by
In small along journey energy loss, bottom pressure is sufficient, it is achieved that efficient quick drill into, can reach bigger drilling well well depth, it is full
The demand that sufficient deep layer is drilled at present.
It is an object of the present invention to provide a kind of lower power well system, including hydrogen conveyor, oxygen conveying device,
Traction device, drilling fluid conveying device, drilling fluid draw-out device and drill bit device；
Wherein, the hydrogen conveyor, for conveying hydrogen to the drill bit device；
The oxygen conveying device, for inputting oxygen to the drill bit device；
The drilling fluid conveying device, for conveying drilling fluid to the drill bit device；
The traction device, for being drawn to the drill bit device；
The drilling fluid draw-out device, for extracting the drilling fluid in the drill bit device；
The drill bit device, including fuel cell, heating device, pressurizing device and drill bit；
The fuel cell occurs the hydrogen and the oxygen anti-for receiving the hydrogen and the oxygen
Should and it release heat and electric energy；
The heating device, for absorbing the heat to carry out heating and gasifying to the drilling fluid；
The pressurizing device will add for pressurizeing under the action of the electric energy to the drilling fluid after the gasification
Drilling fluid after pressure is sprayed by the drill bit to carry out jet stream drilling well.
In a preferred embodiment of the invention, the hydrogen conveyor includes:
Hydrogen expansion box, hydrogen delivery tube line and pressurized with hydrogen delivery pump；
The hydrogen expansion box is under the action of the pressurized with hydrogen delivery pump by the hydrogen delivery tube line to described
Fuel cell conveys hydrogen.
In a preferred embodiment of the invention, the oxygen conveying device includes:
Oxygen expansion box, oxygen conveying pipe line and oxygen pressing delivery pump；
The oxygen expansion box is under the action of the oxygen pressing delivery pump by the oxygen conveying pipe line to described
Fuel cell conveys oxygen.
In a preferred embodiment of the invention, the drill bit device further include:
Drill bit drilling fluid reclamation pipe, drill bit drilling fluid reclamation header, shell and drill bit drilling fluid convey header；
The heating device includes heating fin and heating tube；
The pressurizing device includes explosion-proof rotating electric machine, motor fixing plate, blade fixed disk and pressing blade；
The drill bit drilling fluid conveying header welding is in the surface of the shell, the bend pipe of the drill bit drilling fluid reclamation pipe
The outer circle anchor ring of section and the drill bit drilling fluid reclamation header welds, and the straight section of the drill bit drilling fluid reclamation pipe is located at described outer
On the outside of shell in annular clearance, the heating tube is welded on the shell annular surface of the fuel cell, the heating fin spot welding
It fixes on the shell of the fuel cell and the heating tube, the explosion-proof rotating electric machine is fixed on the motor by screw
On disk, the motor fixing plate is welded in the shell inner ring surface inner wall, and the explosion-proof rotating electric machine main shaft and the blade are solid
Price fixing upper surface carries out socket weld, and the pressing blade is fixed in the blade fixed disk by high-strength screw, the brill
Head carries out socket weld with blade fixed disk lower surface, and the explosion-proof rotating electric machine, which is powered, to be rotated and drive the pressing blade
And the drill bit rotation.
In a preferred embodiment of the invention, the drilling fluid conveying device includes:
Drilling fluid feed-line, drilling fluid pressurized delivered pump and drilling fluid storage tank；
The drilling fluid feed-line is defeated after extracting drilling fluid under the action of the drilling fluid pressurized delivered pumps and pressurizeing
It send into drill bit drilling fluid conveying header, the lower end of the drill bit drilling fluid conveying header is annular space, makes the drilling fluid
It enters inside the drill bit device.
In a preferred embodiment of the invention, the drilling fluid draw-out device includes:
Drilling fluid reclamation pipeline and drilling fluid draw-off pump；
The drill bit drilling fluid reclamation pipe carries out the drilling fluid to be recycled to the drill bit drilling fluid reclamation header, described
Drilling fluid reclamation pipeline extracts the drilling well inside the drill bit drilling fluid reclamation header under the action of drilling fluid draw-off pump
It is delivered in the drilling fluid storage tank after liquid and pressurization.
In a preferred embodiment of the invention, the traction device includes:
Capstan winch and coiled tubing；
The coiled tubing draws the drill bit device by the capstan winch, the lower end welding of the coiled tubing
In the surface of the shell of the drill bit, the drilling fluid reclamation pipeline, the drilling fluid feed-line, the hydrogen delivery tube line
And the oxygen conveying pipe line is transmitted by the coiled tubing and the drill bit device.
In a preferred embodiment of the invention, the fuel cell includes the opposite air stream field plate and hydrogen combined
Flow-field plate, the air stream field plate are circular ring shape, including the cooling stream of air circular hole runner, air gas diffusion chamber and air
Road, the hydrogen stream field plate are circular ring shape, including hydrogen circular hole runner, hydrogen gas diffusion chamber and hydrogen_cooling runner, institute
Air coolant flow channel is stated to correspond to each other to form annular runner with the hydrogen_cooling runner.
In a preferred embodiment of the invention, the outer housing of the fuel cell is provided with multiple welding foots, passes through weldering
The shell of the fuel cell and the drill bit is fixedly connected by pin.
In a preferred embodiment of the invention, the drill bit device further includes bow spring centralizer, the bow spring centralizer
Both ends be welded in the shell outer ring surface.
The beneficial effects of the present invention are provide a kind of hole-bottom power drilling system, using hydrogen conveyor, oxygen
Conveying device is that fuel cell makees conveying hydrogen, oxygen, converts electric energy for chemical energy by fuel cell and then is directly underground
Drill bit device energy supply, due to small along journey energy loss, bottom pressure is sufficient, it is achieved that efficient quick drill is into can reach more
Big drilling well well depth, meets the needs of deep layer is drilled at present.
For above and other objects, features and advantages of the invention can be clearer and more comprehensible, preferred embodiment is cited below particularly,
And cooperate institute's accompanying drawings, it is described in detail below.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural block diagram of hole-bottom power drilling system provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of one of specific embodiment provided by the invention hole-bottom power drilling system；
The main view of drill bit device in Fig. 3 specific embodiment provided by the invention；
The sectional view of drill bit device in Fig. 4 specific embodiment provided by the invention；
The schematic internal view of drill bit device in Fig. 5 specific embodiment provided by the invention.
Drawing reference numeral:
100 hydrogen conveyors
200 oxygen conveying devices
300 traction devices
400 drilling fluid conveying devices
500 drilling fluid draw-out devices
600 drill bit devices
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 delivereds pump
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 rotating electric machines
23 motor fixing plates
24 blade fixed disks
25 pressing blades
26 drill bits
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Below with reference to several representative embodiments of the invention, the principle and spirit of the present invention are explained in detail.It is situated between first
Continue technical know-how of the invention.In conjunction with 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 are mainly crushed bottom rock using water jets impact power, rock fever
Cracking heats rock using high-temperature mediums such as hot-air, flames, allows its inside to generate thermal stress of non-homogeneous expansion, splits rock
Solution is broken.High temp jet mathematical model includes:
(1) continuity equation
In formula, ux、uy、uzThe respectively velocity component in tri- directions X, Y, Z, m/s；T is time, s；ρ is density, kg/
m3。
In formula:For 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、fzFor the list in three directions
Position mass force, m/s2.
(3) energy equation
In formula: E is the total energy of fluid micellar, and J/kg includes the sum of interior energy, potential energy and kinetic energy, E=h-p/ ρ+u2/2；H is
Enthalpy, J/kg；hjFor the enthalpy of component j, J/kg；keffFor size fractal dimension, W/ (mK), keff=k+kt, ktFor turbulent flow heat biography
Coefficient is led, is defined according to turbulence model used；JjFor the diffusion flux of component j；ShTo contain chemical reaction heat and other
User-defined volumetric sources item.
(4) equation of gas state
If real gas considers compressibility, state equation is p=Z ρ RT, and Z is the compressed coefficient of real gas.R is pervasive
Gas constant, Jmol1K1.
The transport equation of realizable k-ε model are as follows:
Wherein:
In formula, GkAnd GbIt is to be generated by tubulence energy；C1ε、C2ε、C3ε、C2And A0For empirical, C1ε=1.44, C2ε=
1.9、C3ε=0.09, C2=0.9, A0=4.0；σk、σεRespectively tubulence energy Prandtl number corresponding with turbulence dissipative shock wave.
According to above-mentioned principle, the present invention provides a kind of hole-bottom power drilling systems, referring to Fig. 1, the well system
It is extracted including hydrogen conveyor 100, oxygen conveying device 200, traction device 300, drilling fluid conveying device 400, drilling fluid
Device 500 and drill bit device 600；
Wherein, the hydrogen conveyor 100, for conveying hydrogen to the drill bit device 600；
The oxygen conveying device 200, for inputting oxygen to the drill bit device 600；
The drilling fluid conveying device 400, for conveying drilling fluid to the drill bit device 600；
The traction device 300, for being drawn to the drill bit device 600；
The drilling fluid draw-out device 500, for extracting the drilling fluid in the drill bit device 600；
The drill bit device 600, including fuel cell 19, heating device, pressurizing device and drill bit 26；
The hydrogen and the oxygen occurs for receiving the hydrogen and the oxygen in the fuel cell 19
It reacts and releases heat and electric energy；
The heating device, for absorbing the heat to carry out heating and gasifying to the drilling fluid；
The pressurizing device will add for pressurizeing under the action of the electric energy to the drilling fluid after the gasification
Drilling fluid after pressure is sprayed by the drill bit 26 to carry out jet stream drilling well.
A kind of hole-bottom power drilling system provided by the invention uses hydrogen conveyor, oxygen conveying device for combustion
Material battery makees conveying hydrogen, oxygen, is drawn by traction device, complete by drilling fluid conveying device, drilling fluid draw-out device
At conveying of the drilling fluid from ground to drilling rig, electric energy is converted by chemical energy by fuel cell and then is directly downhole drill bit
Device energy supply, due to small along journey energy loss, bottom pressure is sufficient, it is achieved that efficient quick drill is into can reach bigger
Drilling well well depth, meets the needs of deep layer is drilled at present.
In one embodiment of the invention, the hydrogen conveyor 100 includes hydrogen expansion box 1, hydrogen conveying
Pipeline 12 and pressurized with hydrogen delivery pump 3.The hydrogen expansion box 1 passes through institute under the action of pressurized with hydrogen delivery pump 3
It states hydrogen delivery tube line 12 and conveys hydrogen to the fuel cell 19.The resistance to height of high-strength high temperature-resistant can be used in hydrogen delivery tube line 12
Press hose preparation.
In other embodiments of the invention, settable hydrogen mouth, passes through hydrogen delivery tube line 12 in fuel cell 19
It is connect with hydrogen expansion box 1, realizes hydrogen conveying.
In one embodiment of the invention, the oxygen conveying device 200 includes oxygen expansion box 2, oxygen conveying
Pipeline 13 and oxygen pressing delivery pump 4.The oxygen expansion box 2 passes through institute under the action of oxygen pressing delivery pump 4
It states oxygen conveying pipe line 13 and conveys oxygen to the fuel cell 19.Oxygen conveying pipe line 13 is high pressure resistant using high-strength high temperature-resistant
Hose preparation.
In other embodiments of the invention, settable oxygen port in fuel cell 19 passes through oxygen conveying pipe line 13
It is connect with oxygen expansion box 2, realizes oxygen conveying.The sectional view of the drill bit device shown in Fig. 4 of fuel cell 19 is high-visible.
In one embodiment of the invention, the fuel cell 19 includes the opposite air stream field plate and hydrogen combined
Air-flow field plate, the air stream field plate are circular ring shape, including the cooling stream of air circular hole runner, air gas diffusion chamber and air
Road, the hydrogen stream field plate are circular ring shape, including hydrogen circular hole runner, hydrogen gas diffusion chamber and hydrogen_cooling runner, institute
It states air coolant flow channel to correspond to each other to form annular runner with the hydrogen_cooling runner, the fuel cell 19 uses metal material
Material is made.
In specific embodiment shown in Fig. 3, fuel cell uses a kind of circular ring shape fuel battery double plates, air flow field
The circular hole runner that plate and hydrogen stream field plate are contacted with membrane electrode corresponds to each other.It is and general since bipolar plates are made of metal material
Logical graphite bi-polar plate, which is compared, has good mechanical performance, is hardly damaged, easy processing and thickness is thin, thus can reduce pile
Volume, and using the relatively traditional parallel fluid channels of shearing force suffered by its membrane electrode of dot runner, serpentine flow path and interdigital
Runner wants impact resistance small, thus that pile can be improved.
In one embodiment of the invention, the drill bit device 600 further includes drill bit drilling fluid reclamation pipe 15, drill bit
Drilling fluid reclamation header 16, shell 17 and drill bit drilling fluid convey header 18；
The heating device includes heating fin 20 and heating tube 21；
The pressurizing device includes explosion-proof rotating electric machine 22, motor fixing plate 23, blade fixed disk 24 and pressing blade
25。
In the main view of drill bit device in specific embodiment shown in Fig. 3 and specific embodiment shown in Fig. 4
As it can be seen that drill bit drilling fluid conveying header 18 is welded in the surface of the shell 17, the brill in the sectional view of drill bit device
The bend loss of head drilling fluid reclamation pipe 15 and the outer circle anchor ring of the drill bit drilling fluid reclamation header 16 weld, the drill bit drilling well
The straight section of liquid recovery tube 15 is located in the 17 outside annular clearance of shell, and the heating tube 21 is welded to the fuel cell 19
Shell annular surface on, the heating fin 20 is welded in shell and the heating tube 21 of the fuel cell 19, described
Explosion-proof rotating electric machine 22 is fixed in the motor fixing plate 23 by screw, and the motor fixing plate 23 is welded in the shell
17 inner ring surface inner walls, explosion-proof 22 main shaft of rotating electric machine and 24 upper surface of blade fixed disk carry out socket weld, described to add
Pressure blade 25 is fixed in 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 rotating electric machine 22, which is powered, to be rotated and drive the pressing blade 25 and 26 turns of the drill bit
It is dynamic.
In Fig. 3, Fig. 4 and specific embodiment shown in fig. 5, heating tube 21 is along the circumferential direction uniformly distributed multiple, heats wing
Piece 20 is multiple along 19 shell radial equipartition of fuel cell.The electricity for being discharged fuel cell 19 by high temperature high voltage resistant aviation plug
Can be introduced on explosion-proof rotating electric machine 22 rotates motor, and drill bit 26 is rock bit in this embodiment, with gasification drilling well
24 lower surface of liquid pressing blade fixed disk carries out socket weld, and explosion-proof rotating electric machine 22, which is powered, to be rotated and drive gasification drilling fluid pressurization
Blade 25 and rock bit rotation.Heated pipe 21 and heating fin 20 carry out the drilling fluid after high-temperature heating gasification, pass through gas
Drilling fluid pressing blade 25 rotates the gasification drilling fluid for carrying out pressurization to which high temperature and pressure be made, high temperature and pressure gasification drilling fluid
It is sprayed by rock bit central cavity and carries out jet stream drilling well.
In one embodiment of the invention, the outer housing of the fuel cell 19 is provided with multiple welding foots, passes through
The shell 17 of the fuel cell 19 and the drill bit is fixedly connected by welding foot.
In the particular embodiment, four welding foots can be processed in 19 outer housing of fuel cell, by welding foot that fuel is electric
Pond 19 is fixedly connected with shell inner ring surface side wall, and hydrogen delivery tube line 12 and oxygen conveying pipe line 13 are respectively by hydrogen and oxygen
Gas is input to inside new fuel cell 19, and hydrogen issues biochemical react in the effect of 19 internal accelerator of fuel cell with oxygen
Generate huge electric energy and thermal energy.
In one embodiment of the invention, the drill bit device 400 further includes bow spring centralizer 14, and the bow spring is helped
The both ends of positive device 14 are welded in 17 outer ring surface of shell.
In the particular embodiment, bow 14 circumferencial direction of spring centralizer is uniformly distributed multiple, and bow 14 main function of spring centralizer is
Carrying out righting to drill bit in drilling process prevents eccentric well from occurring, and the bow intermediate straight section outer surface of spring centralizer 14 is welded with
The steel ball of three protrusions, prevents entire head device from occurring leading to upper pipeline with situation is turned during bit
Winding.
In one embodiment of the invention, the drilling fluid conveying device 400 includes drilling fluid feed-line 8, bores
Well liquid pressurized delivered pump 10 and drilling fluid storage tank 11.The drilling fluid feed-line 8 pumps 10 in the drilling fluid pressurized delivered
Under the action of extract drilling fluid and be delivered to after pressurizeing in drill bit drilling fluid conveying header 18, the drill bit drilling fluid conveying
The lower end of header 18 is annular space, enters the drilling fluid inside the drill bit device 600.
In the particular embodiment, drilling fluid feed-line 8 is pumped with drilling fluid storage tank 11, drilling fluid pressurized delivered respectively
10, drill bit drilling fluid conveying header 18 is welded, and drill bit drilling fluid conveying header 18 is welded in 17 upper surface of drill bit shell, is bored
Well liquid feed-line 8 is using the high pressure resistant hose preparation of high-strength high temperature-resistant.
In one embodiment of the invention, the drilling fluid draw-out device includes drilling fluid reclamation pipeline 7 and bores
Well liquid draw-off pump 9.The drill bit drilling fluid reclamation pipe 15 carries out the drilling fluid to be recycled to the drill bit drilling fluid reclamation collection
Case 16, the drilling fluid reclamation pipeline 7 extract the drill bit drilling fluid reclamation header under the action of drilling fluid draw-off pump 9
It is delivered to after drilling fluid and pressurization inside 16 in the drilling fluid storage tank 11.
In a specific embodiment of the present invention, such as Fig. 2, Fig. 4, 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 are welded, and 15 circumferencial direction of drill bit drilling fluid reclamation pipe is uniformly distributed more
A, drilling fluid reclamation pipeline 7 is using the high pressure resistant hose preparation of high-strength high temperature-resistant.
In one embodiment of the invention, the traction device 300 includes capstan winch 5 and coiled tubing 6；
The coiled tubing 6 draws the drill bit device 600 by the capstan winch 5, under the coiled tubing 6
End is welded in the surface of the shell 17 of the drill bit, the drilling fluid reclamation pipeline 7, the drilling fluid feed-line 8, the hydrogen
Letter shoot line 12 and the oxygen conveying pipe line 13 are transmitted by the coiled tubing 6 with the drill bit device.
In specific embodiment shown in Fig. 1,6 upper end of coiled tubing conveys capstan winch 5 by coiled tubing and is drawn, under
End is welded on 17 upper surface of drill bit shell, the traction by the realization of coiled tubing 6 to entire drilling machine, drilling fluid reclamation pipeline 7,
Drilling fluid feed-line 8, hydrogen delivery tube line 12, oxygen conveying pipe line 13 realize that medium passes in company with coiled tubing 6 together tripping in
It is defeated.
In conclusion being had the advantage that the present invention provides a kind of hole-bottom power drilling system
1. using coiled tubing drilling in well system, fuel cell can be cooperated to provide as power supply system for downhole electrical motor
Power, the energy supply of direct shaft bottom, smaller along journey energy loss, bottom pressure is sufficient, guarantees efficient quick drill into can reach bigger
Drilling well well depth；
2. in well system, drilling fluid is injected into drill collar by drilling fluid pressurized delivered pump by drilling fluid feed-line
Pipeline, and underground is got to, then be extracted into the drilling fluid in shaft bottom on ground by the return pipe in drill collar by drilling fluid draw-off pump,
In the case where ground provides identical pump pressure, the hydraulic energy in shaft bottom is higher, and it is more efficient to take rock, effectively prevent shaft bottom landwaste card
It bores, increases drilling speed, improve drilling efficiency；
3. well system directly converts electric energy for the chemical energy of fuel using fuel cell and transformer, chemistry is avoided
Thermal energy can be arrived, then to the energy loss in mechanical energy, power process, with up to 45%~60% energy transformation ratio, simultaneously
The discharge of pollutant reduces several orders of magnitude, greatly reduces environmental pollution；
4. the liquid after burning is transferred in heat riser by well system by outlet at bottom, then is injected by connecting tube
Into pressurizing device, this high-temperature, high pressure fluid is injected into shaft bottom by triple valve by pressurizing device, forms high-temperature high-pressure jet-flow
Impact deep layer hard rock；
5. since this programme is based on thermal cracking, and the new drill of high temp jet drilling well is combined to bore up to conventional drilling method
Five times or more of speed, are conducive to rapid drilling, meet the needs of deep layer is drilled at present.
6. perfect can be solved the drill bit of heating system is energized under fuel cells applications to drilling well industry, especially planned well
The certainly energy supply problem of mud motor, and the hot properties of fuel cell is innovatively subjected to high temp jet broken rock, it can
Play the role of turning waste into wealth.
As seen through the above description of the embodiments, those skilled in the art can be understood that the application can
It realizes by means of software and necessary general hardware platform.Based on this understanding, the technical solution essence of the application
On in other words the part that contributes to existing technology can be embodied in the form of software products, the computer software product
It can store in storage medium, such as ROM/RAM, magnetic disk, CD, including some instructions are used so that a computer equipment
(can be personal computer, server or the network equipment etc.) executes the certain of each embodiment of the application or embodiment
Method described in part.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality
For applying example, since it is substantially similar to the method embodiment, so being described relatively simple, related place 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.Such as: personal computer, clothes
Business device computer, handheld device or portable device, laptop device, multicomputer system, microprocessor-based system, set
Top box, programmable consumer-elcetronics devices, network PC, minicomputer, mainframe computer including any of the above system or equipment
Distributed computing environment etc..
The application can describe in the general context of computer-executable instructions executed by a computer, such as program
Module.Generally, program module includes routines performing specific tasks or implementing specific abstract data types, programs, objects, group
Part, data structure etc..The application can also be practiced in a distributed computing environment, in these distributed computing environments, by
Task is executed by the connected remote processing devices of communication network.In a distributed computing environment, program module can be with
In the local and remote computer storage media including storage equipment.
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that the application there are many deformation and
Variation is without departing from spirit herein, it is desirable to which the attached claims include these deformations and change without departing from the application's
Spirit.
Claims (10)
1. a kind of hole-bottom power drilling system, characterized in that the well system includes hydrogen conveyor, oxygen conveying dress
It sets, traction device, drilling fluid conveying device, drilling fluid draw-out device and drill bit device,
Wherein, the hydrogen conveyor, for conveying hydrogen to the drill bit device；
The oxygen conveying device, for inputting oxygen to the drill bit device；
The drilling fluid conveying device, for conveying drilling fluid to the drill bit device；
The traction device, for being drawn to the drill bit device；
The drilling fluid draw-out device, for extracting the drilling fluid in the drill bit device；
The drill bit device, including fuel cell, heating device, pressurizing device and drill bit；
The fuel cell makes the hydrogen and the oxygen react simultaneously for receiving the hydrogen and the oxygen
Release heat and electric energy；
The heating device, for absorbing the heat to carry out heating and gasifying to the drilling fluid；
The pressurizing device, for pressurizeing under the action of the electric energy to the drilling fluid after gasification, after pressurization
Drilling fluid by the drill bit spray to carry out jet stream drilling well.
2. well system according to claim 1, characterized in that the hydrogen conveyor includes:
Hydrogen expansion box, hydrogen delivery tube line and pressurized with hydrogen delivery pump；
The hydrogen expansion box is under the action of the pressurized with hydrogen delivery pump by the hydrogen delivery tube line to the fuel
Battery conveys hydrogen.
3. well system according to claim 2, characterized in that the oxygen conveying device includes:
Oxygen expansion box, oxygen conveying pipe line and oxygen pressing delivery pump；
The oxygen expansion box passes through the oxygen conveying pipe line to the fuel under the action of oxygen pressing delivery pump
Battery conveys oxygen.
4. well system according to claim 3, characterized in that the drill bit device further include:
Drill bit drilling fluid reclamation pipe, drill bit drilling fluid reclamation header, shell and drill bit drilling fluid convey header；
The heating device includes heating fin and heating tube；
The pressurizing device includes explosion-proof rotating electric machine, motor fixing plate, blade fixed disk and pressing blade；
Drill bit drilling fluid conveying header welding in the surface of the shell, the bend loss of the drill bit drilling fluid reclamation pipe with
The outer circle anchor ring of the drill bit drilling fluid reclamation header welds, and the straight section of the drill bit drilling fluid reclamation pipe is located at outside the shell
In side ring empty gap, the heating tube is welded on the shell annular surface of the fuel cell, and the heating fin is welded to institute
It states on the shell and the heating tube of fuel cell, the explosion-proof rotating electric machine is fixed on the motor fixing plate by screw
On, the motor fixing plate is welded in the shell inner ring surface inner wall, and the explosion-proof rotating electric machine main shaft is fixed with the blade
Disk upper surface carries out socket weld, and the pressing blade is fixed in the blade fixed disk by high-strength screw, the drill bit
Carry out socket weld with blade fixed disk lower surface, the explosion-proof rotating electric machine be powered rotate and drive the pressing blade and
The drill bit rotation.
5. well system according to claim 4, characterized in that the drilling fluid conveying device includes:
Drilling fluid feed-line, drilling fluid pressurized delivered pump and drilling fluid storage tank；
The drilling fluid feed-line extracts drilling fluid under the action of the drilling fluid pressurized delivered pumps and is delivered to after pressurizeing
In the drill bit drilling fluid conveying header, the lower end of the drill bit drilling fluid conveying header is annular space, enters the drilling fluid
To inside the drill bit device.
6. well system according to claim 5, characterized in that the drilling fluid draw-out device includes:
Drilling fluid reclamation pipeline and drilling fluid draw-off pump；
The drill bit drilling fluid reclamation pipe carries out the drilling fluid to be recycled to the drill bit drilling fluid reclamation header, the drilling well
Liquid recovery line extracts the drilling fluid inside the drill bit drilling fluid reclamation header simultaneously under the action of the drilling fluid draw-off pump
It is delivered to after pressurization in the drilling fluid storage tank.
7. well system according to claim 6, characterized in that the traction device includes:
Capstan winch and coiled tubing；
The coiled tubing draws the drill bit device by the capstan winch, and the lower end of the coiled tubing is welded in institute
State the surface of the shell of drill bit, the drilling fluid reclamation pipeline, the drilling fluid feed-line, the hydrogen delivery tube line and
The oxygen conveying pipe line is transmitted by the coiled tubing and the drill bit device.
8. well system according to claim 4, characterized in that the fuel cell includes the opposite air flow field combined
Plate and hydrogen stream field plate, the air stream field plate are circular ring shape, including air circular hole runner, air gas diffusion chamber and sky
Air cooling runner, the hydrogen stream field plate are circular ring shape, including hydrogen circular hole runner, hydrogen gas diffusion chamber and hydrogen_cooling
Runner, the air coolant flow channel correspond to each other to form annular runner with the hydrogen_cooling runner.
9. well system according to claim 8, characterized in that the outer housing of the fuel cell is provided with multiple welding
The shell of the fuel cell and the drill bit is fixedly connected by foot by welding foot.
10. well system according to claim 9, characterized in that the drill bit device further includes bow spring centralizer, described
The both ends of bow spring centralizer are welded in the shell outer ring surface.
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| CN201710256417.8A CN106869782B (en) | 2017-04-19 | 2017-04-19 | A kind of hole-bottom power drilling system |
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| CN201710256417.8A CN106869782B (en) | 2017-04-19 | 2017-04-19 | A kind of hole-bottom power drilling system |
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| CN107165576B (en) * | 2017-07-07 | 2019-07-19 | 中国石油大学(北京) | Well system with heating power flow jet flow drill |
| CN108533172B (en) * | 2018-03-28 | 2019-05-28 | 中国石油大学(北京) | A kind of well system and method |
| CN109281606A (en) * | 2018-09-19 | 2019-01-29 | 成都理工大学 | The electronic drilling apparatus and system of shallow well |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| GB2450498A (en) * | 2007-06-26 | 2008-12-31 | Schlumberger Holdings | Battery powered rotary steerable drilling system |
| CN101672170B (en) * | 2009-09-01 | 2013-10-23 | 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 |
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