CN113513274B - Drilling device and drilling method - Google Patents
Drilling device and drilling method Download PDFInfo
- Publication number
- CN113513274B CN113513274B CN202110949904.9A CN202110949904A CN113513274B CN 113513274 B CN113513274 B CN 113513274B CN 202110949904 A CN202110949904 A CN 202110949904A CN 113513274 B CN113513274 B CN 113513274B
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- China
- Prior art keywords
- drilling
- drill bit
- supporting seat
- groove
- well
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- 238000005553 drilling Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000002689 soil Substances 0.000 claims abstract description 33
- 238000012423 maintenance Methods 0.000 claims description 20
- 239000002002 slurry Substances 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000005641 tunneling Effects 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 8
- 238000005527 soil sampling Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000009412 basement excavation Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 239000011150 reinforced concrete Substances 0.000 description 4
- 239000004567 concrete Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 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
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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
-
- 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
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The application discloses drilling device and drilling method, drilling device includes drill bit and supporting seat, the drill bit is annular drill bit, the supporting seat is annular supporting seat, link together through gear running fit between supporting seat and the drill bit, be provided with the mud pipe on the inboard rampart of supporting seat. The drilling method is to drill well by using the drilling device, and has the following beneficial effects: during drilling, all soil is not required to be smashed into mud, the energy consumption in the drilling process is relatively low, and the generation amount of the mud in the drilling process is relatively small.
Description
Technical Field
The invention relates to the field of drilling equipment, in particular to a drilling device and a drilling method.
Background
At present, many construction projects need to be drilled on the ground, at present, common drilling equipment needs to grind earth on the ground when drilling on the ground (a drill bit is adopted as shown in a patent CN 2019103955553), and as the soil needs to be continuously ground during grinding, a large amount of heat is generated during grinding, and in order to cool the drill bit, water is continuously supplemented to cool and lubricate the drill bit, taking a round well with the depth of 20 meters as an example, the current drilling method needs to grind all the soil in the round well with the depth of 20 meters, and as the water is sprayed during grinding, the mud is actually ground after grinding, and the mud needs to be pumped away, so the drilling method has a defect that the energy consumption of drilling is very high.
Disclosure of Invention
The invention provides a drilling device and a drilling method aiming at the problems.
The technical scheme adopted by the invention is as follows:
the utility model provides a drilling device, includes drill bit and supporting seat, the drill bit is annular drill bit, the supporting seat is annular supporting seat, link together through gear running fit between supporting seat and the drill bit, be provided with the mud pipe on the inboard rampart of supporting seat.
In this device, the supporting seat is located the top of drill bit, and the drill bit rotates and can smash the earth of drill bit below into fragments, and the mud pipe can be constantly with supplying water and dissolving mud into mud, then take away mud constantly again, and finally this kind of drilling equipment can bore into an annular recess, after placing like annular reinforced concrete ring (can be called the well ring) in this annular recess, can dig out the earth of mid portion under the dry state directly, need not to smash whole mud, and the energy consumption is lower when the well is dug, and mud production is few.
Optionally, the device further comprises a hydraulic pump, wherein the hydraulic pump is arranged on the supporting seat and is used for driving the gears to operate.
Optionally, a bearing is arranged between the drill bit and the supporting seat.
The function of the bearing is to reduce the friction resistance of the drill bit during rotation.
Optionally, the bearing is a horizontal bearing.
Optionally, a sealing ring is arranged between the drill bit and the supporting seat.
Because parts such as gears and hydraulic pumps are arranged between the drill bit and the supporting seat, the gears and the hydraulic pumps cannot be polluted by mud in the drilling process.
Optionally, the pulp discharging pipes are multiple, and the pulp discharging pipes are equidistantly distributed on the inner wall of the supporting seat.
The function of arranging a plurality of slurry discharging pipes is to facilitate quick water supplementing to the drill bit and timely slurry pumping.
Optionally, an annular steel plate is arranged on the inner wall of the supporting seat.
Because the support seat is required to be provided with a well ring for concrete pouring, the inner wall of the support seat is provided with a circular steel plate which can play a role in supporting the well ring and can be continuously welded and lengthened.
The drilling method of the drilling device comprises the following steps of
The first step is excavation: excavating a circular pre-excavated groove on the ground;
the function of excavating the pre-digging groove is to facilitate the placement of the supporting seat and the drill bit;
and a second drilling step: the drill bit starts to rotate, and the pre-digging groove is further dug into a tunneling groove;
the drilling process is the process of digging the pre-digging groove.
And a third step of stacking: placing a well ring on the supporting seat, wherein the well ring is used for filling a tunneling groove, is annular, and is filled with soil inside and outside the well ring;
the well ring has the function of supporting the inner soil and the outer soil and avoiding the collapse of the inner soil and the outer soil.
Fourth, soil sampling: soil in the well ring is excavated.
The soil in the well ring is taken away, so that the whole well is drilled, and after the soil in the well ring is excavated, the whole soil body is excavated.
The soil which is needed to be smashed and pumped away in the form of slurry is only pre-excavated grooves and soil in the tunneling grooves in the excavating process, and other soil can be directly excavated away in a manual or mechanical excavating mode in a dry state, so that a small amount of soil is needed to be smashed in the excavating mode, the energy consumption of the excavating mode is relatively low, the generated slurry is less, and the slurry needed in the excavating process is less.
Optionally, water is continuously replenished to the bit and mud is pumped away from the bit during the drilling step.
The water serves as a lubricating liquid in the breaking process, and serves to dissolve soil into slurry.
Optionally, before placing the well ring on the supporting seat, firstly excavating a maintenance groove around the pre-excavated groove, wherein the maintenance groove is in a circular ring shape, and after the maintenance groove is excavated, placing a maintenance blocking ring in the maintenance groove, wherein the inner diameter of the maintenance blocking ring is larger than the outer diameter of the supporting seat.
The purpose of setting up the maintenance and keep off the ring is in order to ensure to be more smooth when placing the well ring, and concrete well ring is by reinforced concrete pouring.
Optionally, the depth of the pre-grooved is greater than the sum of the length of the drill bit and the length of the supporting seat.
Optionally, the depth of the tunneling groove is not more than 35 meters.
Optionally, the well ring has a plurality of, and well ring, supporting seat and drill bit's axis coincide.
The beneficial effects of the invention are as follows: during drilling, all soil is not required to be smashed into mud, the energy consumption in the drilling process is relatively low, and the generation amount of the mud in the drilling process is relatively small.
Description of the drawings:
figure 1 is a schematic illustration of the construction of a drilling apparatus,
figure 2 is an enlarged schematic diagram at a in figure 1,
figure 3 is a schematic of the position of the drilling device when drilling is started,
fig. 4 is a schematic view of the drilling apparatus in position after drilling is completed.
The reference numerals in the drawings are as follows: 1. a drill bit; 2. a steel plate; 3. a slurry discharge pipe; 4. a support base; 5. a hydraulic pump; 6. a bearing; 7. a seal ring; 8. a gear; 9. a maintenance guard ring; 10. soil; 11. a well ring.
The specific embodiment is as follows:
the present invention will be described in detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1 and fig. 2, a drilling device comprises a drill bit 1 and a supporting seat 4, wherein the drill bit 1 is an annular drill bit 1, the supporting seat 4 is an annular supporting seat 4, the supporting seat 4 and the drill bit 1 are in running fit together through a gear 8, and a slurry discharging pipe 3 is arranged on the inner annular wall of the supporting seat 4.
In this device, supporting seat 4 is located the top of drill bit 1, and drill bit 1 rotates and can smash into fragments with earth 10 of drill bit 1 below, and mud pipe 3 can be constantly with supplying water and dissolving into mud, then take out mud constantly again, and finally this kind of drilling equipment can bore into an annular recess, places like annular reinforced concrete ring (can be called well ring 11) in this annular recess afterwards, can dig out the earth 10 of mid portion under the dry state directly, need not to smash whole mud, and the energy consumption is lower when the well digging, and mud production is few.
As shown in fig. 1 and 2, the hydraulic pump 5 is further included, the hydraulic pump 5 is disposed on the supporting seat 4, and the hydraulic pump 5 is used for driving the gear 8 to operate.
As shown in fig. 1 and 2, a bearing 6 is provided between the drill bit 1 and the support base 4.
The function of the bearing 6 is to reduce the frictional resistance to which the drill bit 1 is subjected during rotation.
As shown in fig. 1 and 2, the bearing 6 is a horizontal bearing 6.
As shown in fig. 1 and 2, a sealing ring 7 is arranged between the drill bit 1 and the supporting seat 4.
Because the gear 8, the hydraulic pump 5 and other parts are arranged between the drill bit 1 and the supporting seat 4, the gear 8 and the hydraulic pump 5 can not be polluted by mud in the drilling process.
As shown in fig. 1 and 2, the number of the slurry discharging pipes 3 is plural, and the slurry discharging pipes 3 are equally distributed on the inner wall of the supporting seat 4.
The function of arranging a plurality of slurry discharging pipes 3 is to facilitate the rapid water supplementing to the drill bit 1 and the timely slurry pumping.
As shown in fig. 1 and 2, an annular steel plate 2 is provided on the inner wall of the support base 4.
Because the support seat 4 is required to be provided with the well ring 11 for concrete pouring, the inner wall of the support seat 4 is provided with the annular steel plate 2, the steel plate 2 can play a role in supporting the well ring 11, and the steel plate 2 can be continuously welded and lengthened.
Example 2
A method of drilling a well, the method comprising the step of using a drilling apparatus as described in example 1
S1 (excavation step): excavating a circular pre-excavated groove on the ground;
the function of excavating the pre-digging groove is to facilitate the placement of the supporting seat 4 and the drill bit 1;
s2 (drilling step): the drill bit 1 starts to rotate, and the pre-digging groove is further dug into a tunneling groove;
the drilling process is the process of digging the pre-digging groove.
S3: firstly, excavating a maintenance groove around the pre-excavated groove, wherein the maintenance groove is in a circular ring shape, and then, placing a maintenance blocking ring 9 in the maintenance groove after the maintenance groove is excavated, wherein the inner diameter of the maintenance blocking ring 9 is larger than the outer diameter of the supporting seat 4.
The purpose of the retaining collar 9 is to ensure a smoother placement of the collar 11, the collar 11 being formed by casting reinforced concrete.
S4 (stacking step): placing a well ring 11 on the supporting seat 4, wherein the well ring 11 is used for filling a tunneling groove, the well ring 11 is circular, and the inside and the outside of the well ring 11 are all provided with soil 10;
the well ring 11 has the function of supporting the inner and outer soil and avoiding the collapse of the inner and outer soil.
S5 (soil sampling step): the earth 10 in the well ring 11 is excavated.
The soil in the well ring 11 is taken away, so that the whole well drilling work is completed, and after the soil in the well ring 11 is excavated away, the whole soil body excavating work is completed.
The soil which is needed to be smashed and pumped away in the form of slurry is only pre-excavated grooves and the soil 10 in the tunneling grooves in the excavating process, and other soil can be directly excavated away in a manual or mechanical excavating mode in a dry state, so that a small amount of soil 10 is needed to be smashed in the excavating mode, the energy consumption of the excavating mode is relatively low, the generated slurry is less, and the slurry needed in the excavating process is less.
During the drilling step, water is constantly replenished to the drill bit 1 and mud at the drill bit 1 is pumped away.
The water serves as a lubricating fluid during the breaking process and as a slurry for dissolving the soil 10.
Before the well ring 11 is placed on the supporting seat 4,
the depth of the pre-grooved is larger than the length sum of the drill bit 1 and the supporting seat 4.
The depth of the tunneling groove is not more than 35 meters.
In this embodiment, when the state of the excavation is just started, as shown in fig. 3, the distance between the drill bit 1 and the supporting seat 4 and the ground surface is relatively short, when the tripping operation is completed, as shown in fig. 4, the distance between the drill bit 1 and the supporting seat 4 and the ground surface is relatively long, at this time, the soil 10 in the well ring 11 can be excavated in a dry state by using the excavator, and is not required to be extracted in the form of slurry after being smashed, so that the energy consumption in the whole excavation process is relatively low, and the generation amount of the slurry is relatively small under the foot in the excavation process, and the volume of the whole drilling device is relatively small due to the adoption of the hydraulic pump 5 as power.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but is intended to cover all equivalent modifications, direct or indirect, as applied to other related technical fields.
Claims (5)
1. A method of drilling a well adapted to a drilling apparatus, comprising the steps of
And (3) excavating: excavating a circular pre-excavated groove on the ground;
drilling: the drill bit starts to rotate, and the pre-digging groove is further dug into a tunneling groove;
stacking: placing a well ring on the supporting seat, wherein the well ring is used for filling a tunneling groove, is annular, and is filled with soil inside and outside the well ring;
soil sampling: digging soil in the well ring;
the drilling device comprises a drill bit and a supporting seat, wherein the drill bit is an annular drill bit, the supporting seat is an annular supporting seat, the supporting seat and the drill bit are in rotary fit together through a gear, and a slurry discharging pipe is arranged on the inner annular wall of the supporting seat; the hydraulic pump is arranged on the supporting seat and is used for driving the gears to run;
during the drilling step, water is continually replenished to the bit and mud at the bit is pumped away.
2. The drilling method of claim 1, wherein a maintenance groove is excavated around the pre-excavated groove before the well ring is placed on the support seat, the maintenance groove is circular, and a maintenance guard ring is placed in the maintenance groove after the maintenance groove is excavated, and the inner diameter of the maintenance guard ring is larger than the outer diameter of the support seat.
3. The drilling method of claim 1, wherein the pre-grooved is greater than the sum of the length of the drill bit and the length of the support base.
4. The method of drilling according to claim 1, wherein the tunnelling trough has a trough depth of no more than 35 metres.
5. The method of drilling of claim 1, wherein the plurality of well rings are coincident with the central axis of the well ring, the support, and the drill bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110949904.9A CN113513274B (en) | 2021-08-18 | 2021-08-18 | Drilling device and drilling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110949904.9A CN113513274B (en) | 2021-08-18 | 2021-08-18 | Drilling device and drilling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113513274A CN113513274A (en) | 2021-10-19 |
| CN113513274B true CN113513274B (en) | 2024-02-09 |
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ID=78068468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110949904.9A Active CN113513274B (en) | 2021-08-18 | 2021-08-18 | Drilling device and drilling method |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10054659A1 (en) * | 2000-11-03 | 2002-05-08 | Bohr Und Vortriebstechnik Cell | Pipe laying machine, includes boring and inner drilling tubes with screw conveyors for rotary and percussion drilling |
| CN102182404A (en) * | 2011-03-10 | 2011-09-14 | 李征 | Cast-in-situ tubular pile rotary drilling rig capable of forming annular hole and piling method |
| CN102251744A (en) * | 2011-06-17 | 2011-11-23 | 中南大学 | Annular patio drilling machine |
| CN108978644A (en) * | 2018-07-28 | 2018-12-11 | 江苏地基工程有限公司 | Energy saving and environment friendly bored pile construction method |
| CN210264532U (en) * | 2019-04-23 | 2020-04-07 | 株洲钜盛钻具有限公司 | Casing drill bit |
| CN210768584U (en) * | 2019-10-25 | 2020-06-16 | 江苏地基工程有限公司 | Device for forming soft soil foundation rotary excavating pile mud retaining wall |
-
2021
- 2021-08-18 CN CN202110949904.9A patent/CN113513274B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10054659A1 (en) * | 2000-11-03 | 2002-05-08 | Bohr Und Vortriebstechnik Cell | Pipe laying machine, includes boring and inner drilling tubes with screw conveyors for rotary and percussion drilling |
| CN102182404A (en) * | 2011-03-10 | 2011-09-14 | 李征 | Cast-in-situ tubular pile rotary drilling rig capable of forming annular hole and piling method |
| CN102251744A (en) * | 2011-06-17 | 2011-11-23 | 中南大学 | Annular patio drilling machine |
| CN108978644A (en) * | 2018-07-28 | 2018-12-11 | 江苏地基工程有限公司 | Energy saving and environment friendly bored pile construction method |
| CN210264532U (en) * | 2019-04-23 | 2020-04-07 | 株洲钜盛钻具有限公司 | Casing drill bit |
| CN210768584U (en) * | 2019-10-25 | 2020-06-16 | 江苏地基工程有限公司 | Device for forming soft soil foundation rotary excavating pile mud retaining wall |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113513274A (en) | 2021-10-19 |
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