CN111997527A - Long nozzle alloy drill bit for oil field drilling and use method thereof - Google Patents
Long nozzle alloy drill bit for oil field drilling and use method thereof Download PDFInfo
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- CN111997527A CN111997527A CN202011187053.0A CN202011187053A CN111997527A CN 111997527 A CN111997527 A CN 111997527A CN 202011187053 A CN202011187053 A CN 202011187053A CN 111997527 A CN111997527 A CN 111997527A
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- 239000000956 alloy Substances 0.000 title claims abstract description 37
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 37
- 238000005553 drilling Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 109
- 238000010521 absorption reaction Methods 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 7
- 239000010802 sludge Substances 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims 1
- 239000011435 rock Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
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- 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
- E21B10/18—Roller 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
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
- E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by sealing details
-
- 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
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- 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 invention discloses a long nozzle alloy drill bit for oil field drilling and a use method thereof, and relates to the technical field of oil field drilling. According to the invention, through the matching design of the piston rod and the piston, the primary water inlet channel is designed in the piston rod, and the secondary water inlet channel is designed in the piston, so that water flow can pass through the primary water inlet channel and the secondary water inlet channel, and then the design of the movable piston and the piston rod is matched, the flow velocity of the water flow in the drill bit main flow channel can be improved.
Description
Technical Field
The invention relates to the technical field of oil field drilling, in particular to a long nozzle alloy drill bit for oil field drilling and a using method thereof.
Background
In the field of oil field drilling, the nozzles of common nozzle alloy drill bits are consistent in length, and when drilling fluid passes through the nozzles of jet type drill bits during drilling, the generated high-speed jet hydraulic rock breaking and cleaning effects are utilized, so that the mechanical drilling speed is improved, and the drill bits are cooled. The existing common nozzle alloy drill bit comprises the following components: after the jet flow of the common nozzle alloy drill bit flows out of the nozzle, the erosion of the drilling mud liquid-solid two-phase flow is realized, the hydraulic jet is positioned in a jet diffusion area, a high-pressure area and a low-pressure area are not obvious, the repeated crushing exists at the drill bit, the sweeping effect of the overflow flow on the rock debris at the bottom of the well is weakened, the hydraulic effect is not completely exerted, the hydraulic energy is lost, the erosion of local vortexes on the alloy drill bit is serious, the drill bit is easily wrapped by mud in the rapid drilling process, and the drilling efficiency and the service life of the alloy drill bit are seriously influenced.
Patent document (201410552935.0) discloses a long nozzle alloy drill bit for oil field drilling, in which a first nozzle, a second nozzle, a third nozzle and a third nozzle are arranged on a main body, the first nozzle is arranged in a quadrant I on the upper surface of the main body, the second nozzle is arranged in a quadrant II on the upper surface of the main body, the third nozzle is arranged in a quadrant III on the upper surface of the main body, the third nozzle is arranged in a quadrant IV on the upper surface of the main body, the first nozzle and the third nozzle are 55 mm higher than the upper surface of the main body, and the second nozzle and the third nozzle are 35 mm higher than the upper surface of the main body. By utilizing the asymmetric combination of the long and short nozzles, the high pressure area and the low pressure area are relatively concentrated, and the hydraulic energy of jet flow reaching the bottom of a well is greatly improved, so that a better bottom liquid flow field is provided, and the area of the low pressure area is larger, so that the rock cleaning effect is better; the produced bottom hole pressure has better rock cleaning effect and hydraulic rock breaking effect is improved. Therefore, the long nozzle alloy drill bit for oil field well drilling has the characteristics of improving the hydraulic energy of jet flow reaching the bottom of the well, improving the hydraulic energy distribution of a flow field at the bottom of the well, enhancing the hydraulic rock breaking and cleaning effects and reducing the erosion of local vortexes to the alloy drill bit. But this drill bit does not design the structure of guaranteeing the high-efficient impact of rivers, and the length of nozzle can't be adjusted simultaneously, can't guarantee the impact to the stone and the cooling to the cone as required, and the cone uses easily to damage for a long time simultaneously, and how to guarantee also the problem of treating the solution to the effective cooling of cone.
Disclosure of Invention
The invention aims to provide a long nozzle alloy drill bit for oil field drilling aiming at the defects in the prior art. On one hand, the invention can improve the flow velocity of water flow in the main flow channel of the drill bit, and the water flow breaks stone blocks in the well; on the other hand, the temperature of the cone body can be reduced, and the service life of the cone body is guaranteed.
The invention also provides a using method of the drill bit.
The purpose of the invention can be realized by the following technical scheme:
a long nozzle alloy drill bit for oil field drilling comprises a drill bit body, wherein three gear wheel bodies are arranged on the drill bit body, three nozzle holders are arranged on the drill bit body, first nozzles are arranged on the nozzle holders, second nozzles are arranged on the first nozzles, three drill bit inner flow channels are arranged in the drill bit body, the three drill bit inner flow channels correspond to the three nozzle holders one by one, the drill bit inner flow channels are communicated with the nozzle holders, a drill bit main flow channel is arranged in the drill bit body, and the three drill bit inner flow channels are all communicated with the drill bit main flow channel;
a piston rod and a piston are arranged in the drill bit main flow passage, the piston is installed at one end of the piston rod, three sealing rings are installed on the piston, and three sludge passages are formed in the drill bit body;
the improved roller cone comprises a cone body, and is characterized in that a plurality of first moisture absorption holes and a plurality of second moisture absorption holes are formed in the cone body, a first ring pipe and a second ring pipe are arranged in the cone body, the first moisture absorption holes are communicated with the first ring pipe, the second moisture absorption holes are communicated with the second ring pipe, exhaust holes are formed in the first ring pipe and the second ring pipe, linking air pipes are mounted on the first ring pipe and the second ring pipe, the two linking air pipes correspond to the two exhaust holes in a one-to-one mode, the linking air pipes are communicated with the exhaust holes, counterweight balls are arranged in the first ring pipe and the second ring pipe, guide columns are mounted on the counterweight balls, one ends, far away from the counterweight balls, of the guide columns are connected with floating balls through steel wire ropes, the floating balls are arranged in the linking water pipes, the two linking water pipes are communicated with the first ring pipe and.
Furthermore, three cone bodies are arranged on the drill bit body in an equal radian mode, a plurality of wedge-shaped alloy teeth are arranged on the cone bodies, and two locking steel balls are arranged between the cone bodies and the drill bit body.
Furthermore, the three nozzle seats are installed on the drill bit body in an equal radian mode, a nozzle flow channel is arranged in the first nozzle, the two ends of the nozzle flow channel are communicated with the first nozzle, the second nozzle is in threaded connection with the nozzle flow channel, and the nozzle flow channel is communicated with the second nozzle.
Further, the piston rod slidable mounting is in the drill bit sprue, be provided with one-level inlet channel in the piston rod, the piston rod is run through at one-level inlet channel both ends, be provided with the check valve in the one-level inlet channel, be provided with second grade inlet channel in the piston, the piston is all run through at second grade inlet channel both ends, one-level inlet channel is linked together with second grade inlet channel, and equidistant the installing in the piston outer lane of three sealing washer, be provided with two expanding spring in the drill bit sprue, two expanding spring symmetries set up in drill bit sprue inner chamber both sides, expanding spring installs on the connecting seat, connecting seat fixed connection drill bit sprue inner wall, expanding spring is connected with the piston.
Furthermore, three sludge channels are installed on the bit body in equal radian, and a plurality of first moisture absorption holes are arranged on the cone body in equal radian.
Furthermore, the second moisture absorption holes are formed in the cone body in an equal radian mode, the diameter of the first ring pipe is smaller than that of the second ring pipe, and the inner walls of the first ring pipe and the second ring pipe are provided with water absorption cotton.
Furthermore, the second moisture absorption holes are formed in the cone body in an equal radian mode, the diameter of the first ring pipe is smaller than that of the second ring pipe, and the inner walls of the first ring pipe and the second ring pipe are provided with water absorption cotton.
Furthermore, two exhaust holes are respectively arranged at the same side of the first ring pipe and the second ring pipe, and the linking air pipe and the linking water pipe are respectively arranged at two ends of the second ring pipe.
Further, blast pipe, drain pipe symmetry set up in gear wheel body both sides, and two link up the trachea and all communicate the blast pipe, and two link up the water pipe and all communicate the drain pipe, blast pipe, drain pipe homonymy all run through gear wheel body.
Further, the use method of the long nozzle alloy drill bit for oil field drilling comprises the following steps:
the method comprises the following steps: before the drill bit enters the well, the second nozzle on the first nozzle is rotated to screw the second nozzle out, the total length of the first nozzle and the second nozzle is increased, the drill bit is placed in the well, the check valve in the primary water inlet channel is opened, water is injected into the drill bit main flow channel, the water enters the secondary water inlet channel through the primary water inlet channel, the water then enters the three drill bit inner flow channels respectively, continuous water in the subsequent drill bit main flow channel impacts one side of the piston rod, the piston rod pushes the piston under the action of impact force, the expansion spring between the piston and the connecting seat contracts, the piston pushes the water into the three drill bit inner flow channels, the expansion spring rebounds after being stressed, the piston and the piston rod rebound, the piston rod after the rebound head repeats the previous action to push the water into the three drill bit inner flow channels, the water enters the nozzle flow channel of the first nozzle, and the water in the nozzle flow channel is sprayed out through the, the water flow washes stones in the well into pieces;
step two: when the drill bit finishes the work of entering a well, the second nozzle on the first nozzle is rotated reversely, the second nozzle is screwed inwards, the total length of the first nozzle and the second nozzle is reduced, the drill bit is placed in the well, the wedge-shaped alloy teeth on the cone body crush crushed rocks in the well, water sprayed by the second nozzle cools the cone body, the first ring pipe on the cone body absorbs moisture around the cone body through the first moisture absorption hole, the second ring pipe on the cone body absorbs moisture around the cone body through the second moisture absorption hole, moisture evaporation in the first ring pipe and the second ring pipe cools the cone body, evaporated water vapor in the first ring pipe and the second ring pipe is discharged into the exhaust pipe through the exhaust hole and is discharged into the exhaust pipe through the connecting air pipe, the evaporated water vapor in the exhaust pipe is discharged into the water discharge pipe through the connecting water pipe, and is discharged from the drain pipe.
The invention has the beneficial effects that:
the invention relates to a long nozzle alloy drill bit for oil field drilling and a using method thereof, wherein before a drill bit enters a well, a second nozzle on a first nozzle is rotated to screw out the second nozzle, the total length of the first nozzle and the second nozzle is increased, the drill bit is placed in the well, a one-way valve in a primary water inlet channel is opened to inject water into a main flow channel of the drill bit, the water enters a secondary water inlet channel through the primary water inlet channel, the water then respectively enters three inner flow channels of the drill bit, the continuous water in the subsequent main flow channel of the drill bit impacts one side of a piston rod, the piston rod pushes the piston under the action of impact force, a telescopic spring between the piston and a connecting seat is contracted, the piston pushes the water into the three inner flow channels of the drill bit, the telescopic spring rebounds after being stressed, the piston and the piston rod rebound, the piston rod moves to push the water into the three inner flow, the long nozzle alloy drill bit for oil field drilling is designed by matching a piston rod and a piston, a primary water inlet channel is designed in the piston rod, a secondary water inlet channel is designed in the piston, so that water can pass through the primary water inlet channel and the secondary water inlet channel, and then the movable piston and the piston rod are matched, so that the flow rate of water in a drill bit main channel can be improved, the design is ingenious, the piston and the piston rod which are subjected to water impact displacement can be rebounded by the design of a telescopic spring, the continuous displacement of the piston and the piston rod is ensured, and the water flow passing through the primary water inlet channel and the secondary water inlet channel can not flow backwards by the design of three sealing rings;
when the drill bit finishes the work of entering a well, the second nozzle on the first nozzle is rotated reversely, the second nozzle is screwed inwards, the total length of the first nozzle and the second nozzle is reduced, the drill bit is placed in the well, the wedge-shaped alloy teeth on the cone body crush crushed rocks in the well, water sprayed by the second nozzle cools the cone body, the first ring pipe on the cone body absorbs moisture around the cone body through the first moisture absorption hole, the second ring pipe on the cone body absorbs moisture around the cone body through the second moisture absorption hole, moisture evaporation in the first ring pipe and the second ring pipe cools the cone body, evaporated water vapor in the first ring pipe and the second ring pipe is discharged into the exhaust pipe through the exhaust hole and is discharged into the exhaust pipe through the connecting air pipe, the evaporated water vapor in the exhaust pipe is discharged into the water discharge pipe through the connecting water pipe, and discharge from the drain pipe, through the design of first nozzle and second nozzle, can adjust the length of first nozzle and second nozzle, guarantee can be with the whole length extension of first nozzle and second nozzle before the drill bit goes into the well, the long mouth that first nozzle and second nozzle constitute can be closer with the rubble distance in the well, guarantee the impact strength of rivers, simultaneously through reducing the whole length of first nozzle and second nozzle, can wash out the cooling to the cone body surface, through the design of first ring canal and second ring canal in the cone body, guarantee that the cone body can self cool down, guarantee the life of cone body.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a long nozzle alloy drill bit for oilfield drilling according to the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an internal block diagram of a cone body of the present invention;
FIG. 4 is a schematic diagram of the structure of a second grommet according to the present invention;
FIG. 5 is a schematic view of the construction of the piston rod of the present invention;
fig. 6 is an internal structural view of the first nozzle of the present invention.
In the figure: 1. a drill bit body; 2. a cone body; 3. locking the steel ball; 4. wedge-shaped alloy teeth; 5. a nozzle holder; 6. a first nozzle; 7. a second nozzle; 8. a nozzle flow passage; 9. a drill bit inner flow passage; 10. a drill bit main runner; 11. a piston rod; 12. a piston; 13. a primary water inlet channel; 14. a one-way valve; 15. a secondary water inlet channel; 16. a seal ring; 17. a tension spring; 18. a connecting seat; 19. a sludge channel; 20. a first moisture absorbing aperture; 21. a second moisture-absorbing aperture; 22. a first grommet; 23. a second collar pipe; 24. an exhaust hole; 25. connecting the trachea; 26. a counterweight ball; 27. a guide post; 28. a floating ball; 29. connecting the water pipe; 30. an exhaust pipe; 31. and a water discharge pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the invention relates to a long nozzle alloy drill bit for oil field drilling, which comprises a drill bit body 1, wherein the drill bit body 1 is provided with three cone bodies 2, the drill bit body 1 is provided with three nozzle holders 5, the nozzle holders 5 are provided with first nozzles 6, the first nozzles 6 are provided with second nozzles 7, the drill bit body 1 is internally provided with three drill bit inner channels 9, the three drill bit inner channels 9 correspond to the three nozzle holders 5 one by one, the drill bit inner channels 9 are communicated with the nozzle holders 5, the drill bit body 1 is internally provided with a drill bit main channel 10, and the three drill bit inner channels 9 are all communicated with the drill bit main channel 10;
a piston rod 11 and a piston 12 are arranged in the drill bit main flow passage 10, the piston 12 is installed at one end of the piston rod 11, three sealing rings 16 are installed on the piston 12, and three sludge passages 19 are formed in the drill bit body 1;
a plurality of first moisture absorption holes 20 and a plurality of second moisture absorption holes 21 are formed in the cone body 2, a first circular pipe 22 and a second circular pipe 23 are arranged in the cone body 2, the first moisture absorption holes 20 are all communicated with the first circular pipe 22, the second moisture absorption holes 21 are all communicated with the second circular pipe 23, exhaust holes 24 are formed in the first circular pipe 22 and the second circular pipe 23, linking air pipes 25 are mounted on the first circular pipe 22 and the second circular pipe 23, the two linking air pipes 25 are in one-to-one correspondence with the two exhaust holes 24, the linking air pipes 25 are communicated with the exhaust holes 24, counterweight balls 26 are arranged in the first circular pipe 22 and the second circular pipe 23, guide columns 27 are mounted on the counterweight balls 26, one ends, far away from the counterweight balls 26, of the guide columns 27 are connected with floating balls 28 through steel wire ropes, the floating balls 28 are arranged in the linking water pipes 29, the two linking water pipes 29 are respectively communicated with the first circular pipe 22 and the, A drain pipe 31.
Specifically, three cone bodies 2 are arranged on a bit body 1 in an equal radian mode, a plurality of wedge-shaped alloy teeth 4 are arranged on the cone bodies 2, and two locking steel balls 3 are arranged between the cone bodies 2 and the bit body 1.
The three nozzle seats 5 are installed on the drill bit body 1 in an equal radian mode, a nozzle flow channel 8 is arranged in the first nozzle 6, two ends of the nozzle flow channel 8 are communicated with the first nozzle 6, the second nozzle 7 is in threaded connection with the nozzle flow channel 8, and the nozzle flow channel 8 is communicated with the second nozzle 7.
Three sludge channels 19 are arranged on the bit body 1 in equal radian, and a plurality of first moisture absorption holes 20 are arranged on the cone body 2 in equal radian.
The second moisture absorption holes 21 are arranged on the cone body 2 in an equal radian mode, the diameter of the first ring pipe 22 is smaller than that of the second ring pipe 23, and the inner walls of the first ring pipe 22 and the second ring pipe 23 are provided with water absorption cotton.
The two exhaust holes 24 are respectively arranged at the same side of the first ring pipe 22 and the second ring pipe 23, and the connecting air pipe 25 and the connecting water pipe 29 are respectively arranged at two ends of the second ring pipe 23.
Referring to fig. 1-6, the operation of the long nozzle alloy drill bit for oilfield drilling according to the present embodiment is as follows:
the method comprises the following steps: before a drill bit enters a well, a second nozzle 7 on a first nozzle 6 is rotated, the second nozzle 7 is screwed out, the total length of the first nozzle 6 and the second nozzle 7 is increased, the drill bit is placed in the well, a check valve 14 in a primary water inlet channel 13 is opened, water is injected into a drill bit main flow channel 10, the water enters a secondary water inlet channel 15 through the primary water inlet channel 13, the water then respectively enters three drill bit inner flow channels 9, continuous water in a subsequent drill bit main flow channel 10 impacts one side of a piston rod 11, the piston rod 11 pushes the piston 12 under the action of impact force, an expansion spring 17 between the piston 12 and a connecting seat 18 contracts, the piston 12 pushes the water into the three drill bit inner flow channels 9, the expansion spring 17 rebounds after being stressed, the piston 12 rebounds from the piston rod 11, and the piston rod 11 after rebounds to push the water into the three drill bit inner flow channels 9 before repeating, water enters a nozzle flow channel 8 of the first nozzle 6, the water in the nozzle flow channel 8 is sprayed out through the second nozzle 7, and the water flow breaks stone blocks in the well;
step two: when the drill bit finishes the work of entering a well, the second nozzle 7 on the first nozzle 6 is rotated reversely, the second nozzle 7 is screwed inwards, the total length of the first nozzle 6 and the second nozzle 7 is reduced, the drill bit is placed in the well, the wedge-shaped alloy teeth 4 on the cone body 2 crush crushed stone blocks in the well, water sprayed by the second nozzle 7 cools the cone body 2, the first ring pipe 22 on the cone body 2 absorbs moisture around the cone body 2 through the first moisture absorption holes 20, the second ring pipe 23 on the cone body 2 absorbs moisture around the cone body 2 through the second moisture absorption holes 21, moisture in the first ring pipe 22 and the second ring pipe 23 evaporates to cool the cone body 2, water vapor evaporated in the first ring pipe 22 and the second ring pipe 23 is discharged through the exhaust holes 24 and is discharged into the exhaust pipe 30 through the connecting air pipe 25, the exhaust pipe 30 discharges the evaporated water vapor, the water vapor which is not evaporated in the first loop pipe 22 and the second loop pipe 23 is discharged into a drain pipe 31 through a connecting water pipe 29, and is discharged from the drain pipe 31.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (9)
1. The alloy drill bit with the long nozzle for oil field drilling is characterized by comprising a drill bit body (1), wherein three cone bodies (2) are arranged on the drill bit body (1), three nozzle holders (5) are arranged on the drill bit body (1), first nozzles (6) are arranged on the nozzle holders (5), second nozzles (7) are arranged on the first nozzles (6), three drill bit inner flow channels (9) are arranged in the drill bit body (1), the three drill bit inner flow channels (9) correspond to the three nozzle holders (5) one by one, the drill bit inner flow channels (9) are communicated with the nozzle holders (5), a drill bit main flow channel (10) is arranged in the drill bit body (1), and the three drill bit inner flow channels (9) are all communicated with the drill bit main flow channel (10);
a piston rod (11) and a piston (12) are arranged in the drill bit main flow passage (10), the piston (12) is installed at one end of the piston rod (11), three sealing rings (16) are installed on the piston (12), and three sludge channels (19) are formed in the drill bit body (1);
the roller cone is characterized in that a plurality of first moisture absorption holes (20) and a plurality of second moisture absorption holes (21) are formed in the roller cone body (2), a first circular pipe (22) and a second circular pipe (23) are arranged in the roller cone body (2), the first moisture absorption holes (20) are communicated with the first circular pipe (22), the second moisture absorption holes (21) are communicated with the second circular pipe (23), exhaust holes (24) are formed in the first circular pipe (22) and the second circular pipe (23), linking air pipes (25) are arranged on the first circular pipe (22) and the second circular pipe (23), the two linking air pipes (25) are in one-to-one correspondence with the two exhaust holes (24), the linking air pipes (25) are communicated with the exhaust holes (24), counterweight balls (26) are arranged in the first circular pipe (22) and the second circular pipe (23), guide columns (27) are arranged on the counterweight balls (26), one ends, far away from the counterweight balls (26), of the guide columns (27) are connected with the floating balls (28) through, the floating ball (28) is arranged in the connecting water pipes (29), the two connecting water pipes (29) are respectively communicated with the first circular pipe (22) and the second circular pipe (23), and an exhaust pipe (30) and a drain pipe (31) are arranged in the cone body (2).
2. The alloy drill bit with the long nozzle for oilfield drilling according to claim 1, wherein three cone bodies (2) are installed on the drill bit body (1) in an equal radian manner, a plurality of wedge-shaped alloy teeth (4) are installed on the cone bodies (2), and two locking steel balls (3) are arranged between the cone bodies (2) and the drill bit body (1).
3. The alloy drill bit with the long nozzle for oilfield drilling according to claim 1, wherein the three nozzle seats (5) are installed on the drill bit body (1) in an equal radian, the first nozzle (6) is internally provided with a nozzle flow passage (8), both ends of the nozzle flow passage (8) are communicated with the first nozzle (6), the second nozzle (7) is in threaded connection with the nozzle flow passage (8), and the nozzle flow passage (8) is communicated with the second nozzle (7).
4. The alloy drill bit with the long nozzle for oilfield drilling according to claim 1, wherein the piston rod (11) is slidably installed in a main drill bit flow passage (10), a primary water inlet passage (13) is provided in the piston rod (11), two ends of the primary water inlet passage (13) penetrate through the piston rod (11), a check valve (14) is provided in the primary water inlet passage (13), a secondary water inlet passage (15) is provided in the piston (12), two ends of the secondary water inlet passage (15) both penetrate through the piston (12), the primary water inlet passage (13) is communicated with the secondary water inlet passage (15), three sealing rings (16) are installed at the outer ring of the piston (12) at equal intervals, two expansion springs (17) are provided in the main drill bit flow passage (10), and the two expansion springs (17) are symmetrically arranged at two sides of the inner cavity of the main drill bit flow passage (10), the telescopic spring (17) is installed on the connecting seat (18), the connecting seat (18) is fixedly connected with the inner wall of the drill bit main flow passage (10), and the telescopic spring (17) is connected with the piston (12).
5. The alloy bit with the long nozzle for oilfield drilling according to claim 1, wherein three sludge channels (19) are installed on the bit body (1) in an equal arc shape, and the first moisture absorption holes (20) are opened on the cone body (2) in an equal arc shape.
6. The alloy drill bit with the long nozzle for oilfield drilling according to claim 1, wherein the second moisture absorption holes (21) are formed in the cone body (2) in an equal radian, the diameter of the first ring pipe (22) is smaller than that of the second ring pipe (23), and the inner walls of the first ring pipe (22) and the second ring pipe (23) are provided with water absorption cotton.
7. The alloy drill bit with the long nozzle for oilfield drilling according to claim 1, wherein the two exhaust holes (24) are respectively formed on the same side of the first ring pipe (22) and the second ring pipe (23), and the connecting air pipe (25) and the connecting water pipe (29) are respectively installed at two ends of the second ring pipe (23).
8. The alloy drill bit with the long nozzle for oilfield drilling according to claim 1, wherein the exhaust pipe (30) and the drain pipe (31) are symmetrically arranged on two sides of the cone body (2), the two connecting air pipes (25) are both communicated with the exhaust pipe (30), the two connecting water pipes (29) are both communicated with the drain pipe (31), and the exhaust pipe (30) and the drain pipe (31) penetrate through the cone body (2) on the same side.
9. The use method of the long nozzle alloy drill bit for oil field drilling is characterized by comprising the following steps of:
the method comprises the following steps: before a drill bit enters a well, a second nozzle (7) on a first nozzle (6) is rotated, the second nozzle (7) is screwed out, the total lengths of the first nozzle (6) and the second nozzle (7) are increased, the drill bit is placed in the well, a one-way valve (14) in a primary water inlet channel (13) is opened, water is injected into a drill bit main flow channel (10), the water enters a secondary water inlet channel (15) through the primary water inlet channel (13), the water then respectively enters three drill bit inner flow channels (9), continuous water in a subsequent drill bit main flow channel (10) impacts one side of a piston rod (11), the piston rod (11) pushes the piston (12) under the action of impact force, a telescopic spring (17) between the piston (12) and a connecting seat (18) contracts, the piston (12) pushes the water into the three drill bit inner flow channels (9), and the telescopic spring (17) rebounds after the impact force is applied to the piston (12), rebounding the piston (12) and the piston rod (11), pushing water into the three drill bit inner flow channels (9) by repeating the previous action of the piston rod (11) after the rebounding head, enabling the water to enter the nozzle flow channel (8) of the first nozzle (6), spraying the water in the nozzle flow channel (8) through the second nozzle (7), and breaking stones in the well by water flow;
step two: when the drill bit finishes the work of entering a well, the second nozzle (7) on the first nozzle (6) is rotated reversely, the second nozzle (7) is screwed inwards, the total length of the first nozzle (6) and the second nozzle (7) is reduced, the drill bit is placed in the well, the wedge-shaped alloy teeth (4) on the cone body (2) crush the crushed stone in the well, the water sprayed by the second nozzle (7) cools the cone body (2), the first ring pipe (22) on the cone body (2) absorbs the moisture around the cone body (2) through the first moisture absorption holes (20), the second ring pipe (23) on the cone body (2) absorbs the moisture around the cone body (2) through the second moisture absorption holes (21), the moisture in the first ring pipe (22) and the second ring pipe (23) is evaporated to cool the cone body (2), and the water vapor in the first ring pipe (22) and the second ring pipe (23) is discharged through the exhaust holes (24), and the water vapor which is not evaporated in the first ring pipe (22) and the second ring pipe (23) is discharged into a drain pipe (31) through a connecting water pipe (29) and is discharged out of the drain pipe (31).
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| CN202011187053.0A CN111997527B (en) | 2020-10-30 | 2020-10-30 | Long nozzle alloy drill bit for oil field drilling and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011187053.0A CN111997527B (en) | 2020-10-30 | 2020-10-30 | Long nozzle alloy drill bit for oil field drilling and use method thereof |
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| Publication Number | Publication Date |
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| CN111997527A true CN111997527A (en) | 2020-11-27 |
| CN111997527B CN111997527B (en) | 2021-01-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216850A (en) * | 2021-05-27 | 2021-08-06 | 河北锐石钻头制造有限公司 | Composite drill bit formed by PDC drill bit and rotary cutting drill bit |
| CN113818812A (en) * | 2021-08-11 | 2021-12-21 | 沧州格锐特钻头有限公司 | Roller bit with temperature monitoring and cooling functions |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3844364A (en) * | 1973-10-23 | 1974-10-29 | Dresser Ind | Hydrostatic rock bit lubrication system |
| DE2703724A1 (en) * | 1977-01-29 | 1978-08-03 | Skf Kugellagerfabriken Gmbh | DEVICE FOR LUBRICATING THE BEARINGS OF CUTTING ROLLERS OF A PULLING CHISEL |
| US4195701A (en) * | 1978-07-24 | 1980-04-01 | Smith International, Inc. | Raise drill having water passages directed toward the roller cutters |
| CN2104286U (en) * | 1991-04-06 | 1992-05-13 | 大港石油管理局钻采工艺研究院 | Three-gear wheel extension spray nozzle drill bit |
| CN1061638A (en) * | 1991-10-30 | 1992-06-03 | 江汉石油管理局钻头厂 | A kind of nozzle that is used for rock bit |
| CN1540130A (en) * | 2003-10-28 | 2004-10-27 | 江汉石油钻头股份有限公司 | High strength antiwear drilling bit of multiple rollers |
| CN2744821Y (en) * | 2004-11-11 | 2005-12-07 | 江汉石油钻头股份有限公司 | Rolling bearing rock bit |
| CN204703766U (en) * | 2015-06-11 | 2015-10-14 | 武汉钢铁(集团)公司 | There is the mining cone bit of cooling structure |
| WO2017165171A1 (en) * | 2016-03-22 | 2017-09-28 | Baker Hughes Incorporated | Downhole tools having volumes of hard material including quenched carbon and related methods |
| CN206928902U (en) * | 2017-04-28 | 2018-01-26 | 中石化石油工程技术服务有限公司 | A kind of power rock bit |
| CN207105300U (en) * | 2017-03-27 | 2018-03-16 | 乐清市恩光金刚石工具有限公司 | Diamond hole making drill |
| CN207296887U (en) * | 2017-08-02 | 2018-05-01 | 刘亭 | A kind of geological exploration drill bit |
| CN207892532U (en) * | 2017-11-24 | 2018-09-21 | 中石化江钻石油机械有限公司 | A kind of rock bit of interior coolant seal bearing |
| CN208220637U (en) * | 2018-04-16 | 2018-12-11 | 惠安佳瑞汽车销售服务有限公司 | A kind of pipeline structure of oil bit |
| CN109458137A (en) * | 2018-12-21 | 2019-03-12 | 武汉亿斯达工具有限公司 | The intelligent adaptive diamond PDC drill bit of bit pressure |
| CN208934598U (en) * | 2018-09-28 | 2019-06-04 | 上海泰梧科技有限公司 | A kind of oil exploitation drill bit to prolong the service life |
| CN110359847A (en) * | 2019-06-17 | 2019-10-22 | 河北锐石钻头制造有限公司 | A kind of three concentric drill bits of gear wheel PDC |
| CN209838308U (en) * | 2019-01-31 | 2019-12-24 | 宝鸡石油机械有限责任公司 | Drill bit with negative pressure suction function |
| CN110685605A (en) * | 2019-11-04 | 2020-01-14 | 李茂林 | Additional drilling assisting device for oil field roller bit |
| CN211115797U (en) * | 2019-08-28 | 2020-07-28 | 广东省水利水电第三工程局有限公司 | Deep pile engineering pump suction reverse circulation drill roller bit |
| US20200300045A1 (en) * | 2019-03-19 | 2020-09-24 | Saudi Arabian Oil Company | Wellbore drill bit |
-
2020
- 2020-10-30 CN CN202011187053.0A patent/CN111997527B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3844364A (en) * | 1973-10-23 | 1974-10-29 | Dresser Ind | Hydrostatic rock bit lubrication system |
| DE2703724A1 (en) * | 1977-01-29 | 1978-08-03 | Skf Kugellagerfabriken Gmbh | DEVICE FOR LUBRICATING THE BEARINGS OF CUTTING ROLLERS OF A PULLING CHISEL |
| US4195701A (en) * | 1978-07-24 | 1980-04-01 | Smith International, Inc. | Raise drill having water passages directed toward the roller cutters |
| CN2104286U (en) * | 1991-04-06 | 1992-05-13 | 大港石油管理局钻采工艺研究院 | Three-gear wheel extension spray nozzle drill bit |
| CN1061638A (en) * | 1991-10-30 | 1992-06-03 | 江汉石油管理局钻头厂 | A kind of nozzle that is used for rock bit |
| CN1540130A (en) * | 2003-10-28 | 2004-10-27 | 江汉石油钻头股份有限公司 | High strength antiwear drilling bit of multiple rollers |
| CN2744821Y (en) * | 2004-11-11 | 2005-12-07 | 江汉石油钻头股份有限公司 | Rolling bearing rock bit |
| CN204703766U (en) * | 2015-06-11 | 2015-10-14 | 武汉钢铁(集团)公司 | There is the mining cone bit of cooling structure |
| WO2017165171A1 (en) * | 2016-03-22 | 2017-09-28 | Baker Hughes Incorporated | Downhole tools having volumes of hard material including quenched carbon and related methods |
| CN207105300U (en) * | 2017-03-27 | 2018-03-16 | 乐清市恩光金刚石工具有限公司 | Diamond hole making drill |
| CN206928902U (en) * | 2017-04-28 | 2018-01-26 | 中石化石油工程技术服务有限公司 | A kind of power rock bit |
| CN207296887U (en) * | 2017-08-02 | 2018-05-01 | 刘亭 | A kind of geological exploration drill bit |
| CN207892532U (en) * | 2017-11-24 | 2018-09-21 | 中石化江钻石油机械有限公司 | A kind of rock bit of interior coolant seal bearing |
| CN208220637U (en) * | 2018-04-16 | 2018-12-11 | 惠安佳瑞汽车销售服务有限公司 | A kind of pipeline structure of oil bit |
| CN208934598U (en) * | 2018-09-28 | 2019-06-04 | 上海泰梧科技有限公司 | A kind of oil exploitation drill bit to prolong the service life |
| CN109458137A (en) * | 2018-12-21 | 2019-03-12 | 武汉亿斯达工具有限公司 | The intelligent adaptive diamond PDC drill bit of bit pressure |
| CN209838308U (en) * | 2019-01-31 | 2019-12-24 | 宝鸡石油机械有限责任公司 | Drill bit with negative pressure suction function |
| US20200300045A1 (en) * | 2019-03-19 | 2020-09-24 | Saudi Arabian Oil Company | Wellbore drill bit |
| CN110359847A (en) * | 2019-06-17 | 2019-10-22 | 河北锐石钻头制造有限公司 | A kind of three concentric drill bits of gear wheel PDC |
| CN211115797U (en) * | 2019-08-28 | 2020-07-28 | 广东省水利水电第三工程局有限公司 | Deep pile engineering pump suction reverse circulation drill roller bit |
| CN110685605A (en) * | 2019-11-04 | 2020-01-14 | 李茂林 | Additional drilling assisting device for oil field roller bit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216850A (en) * | 2021-05-27 | 2021-08-06 | 河北锐石钻头制造有限公司 | Composite drill bit formed by PDC drill bit and rotary cutting drill bit |
| CN113818812A (en) * | 2021-08-11 | 2021-12-21 | 沧州格锐特钻头有限公司 | Roller bit with temperature monitoring and cooling functions |
| CN113818812B (en) * | 2021-08-11 | 2024-01-26 | 沧州格锐特钻头有限公司 | Cone bit with temperature monitoring and cooling functions |
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|---|---|
| CN111997527B (en) | 2021-01-15 |
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