CN113513274A - Drilling device and drilling method - Google Patents
Drilling device and drilling method Download PDFInfo
- Publication number
- CN113513274A CN113513274A CN202110949904.9A CN202110949904A CN113513274A CN 113513274 A CN113513274 A CN 113513274A CN 202110949904 A CN202110949904 A CN 202110949904A CN 113513274 A CN113513274 A CN 113513274A
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- CN
- China
- Prior art keywords
- drilling
- drill bit
- groove
- supporting seat
- well
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000002689 soil Substances 0.000 claims abstract description 37
- 238000012423 maintenance Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000005641 tunneling Effects 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 description 26
- 238000009412 basement excavation Methods 0.000 description 18
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 239000011150 reinforced concrete Substances 0.000 description 6
- 239000004567 concrete Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004540 pour-on Substances 0.000 description 2
- 238000005527 soil sampling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Abstract
The application discloses drilling equipment and well drilling method, drilling equipment includes drill bit and supporting seat, the drill bit is annular drill bit, the supporting seat is annular supporting seat, be in the same place through the gear rotation cooperation between supporting seat and the drill bit, be provided with the mud pipe on the inboard rampart of supporting seat. The well drilling method is used for well drilling by using the well drilling device, and has the following beneficial effects: when drilling, all the soil is not needed 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 carry out well drilling treatment on the ground, and the common well drilling equipment needs to rub and break soil on the ground when drilling on the ground (an adopted drill bit is shown in patent CN 2019103955553), because the soil needs to be broken continuously in the process of breaking the soil, and a large amount of heat is generated in the process of breaking the soil, in order to cool the drill bit, water needs to be supplemented continuously for cooling and lubricating, taking drilling a round well with a depth of 20 meters as an example, the current well drilling method needs to break all the soil in the round well sinking 20 meters, and because the breaking process is carried out by spraying water for cooling, dirty slurry is obtained after being broken actually, and the slurry needs to be pumped away by a pump, so the well drilling method has a defect that the energy consumption of well 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, rotate the cooperation through the gear between supporting seat and the drill bit and be in the same place, be provided with the mud pipe on the inboard rampart of supporting seat.
In the device, the supporting seat is positioned above the drill bit, the drill bit rotates, the soil below the drill bit can be smashed into fragments, the slurry discharge pipe can continuously dissolve the supplemented water into the slurry, then the slurry is continuously pumped away, finally, the drilling device can be drilled into an annular groove, and after the annular reinforced concrete ring (which can be called as a well ring) is placed in the annular groove, the soil in the middle part can be directly dug out in a dry state without smashing all the slurry, the energy consumption is lower during well digging, and the slurry generation amount is less.
Optionally, the hydraulic pump is arranged on the supporting seat and used for driving the gear to operate.
Optionally, a bearing is arranged between the drill bit and the support seat.
The bearing functions to reduce the frictional resistance experienced by the bit during rotation.
Optionally, the bearing is a horizontal bearing.
Optionally, a sealing ring is arranged between the drill bit and the support seat.
Because parts such as gear and hydraulic pump are provided with between drill bit and the supporting seat, can not polluted by mud in order to guarantee gear and hydraulic pump creep into the process.
Optionally, the slurry discharge pipe has a plurality of, and the slurry discharge pipe is equidistantly distributed on the inner wall of the supporting seat.
The multiple slurry discharge pipes are arranged to conveniently and rapidly supplement water to the drill bit and timely pump away slurry.
Optionally, an annular steel plate is arranged on the inner wall of the support seat.
Because need place the well ring that reinforced concrete individual concrete was pour on the supporting seat, so set up the annular steel sheet of steel on the inner wall of supporting seat, the steel sheet can play the effect of supporting the well ring, and the steel sheet can weld the extension constantly.
The drilling method of the drilling device comprises the following steps
A first excavation step: excavating a circular pre-excavating groove on the ground;
the pre-dug groove is excavated to facilitate the placement of the supporting seat and the drill bit;
a second drilling step: the drill bit starts to rotate, and the pre-digging groove is further dug to be deep into a tunneling groove;
the drilling process is the process of digging the pre-dug groove deep.
The third step is stacking: a well ring is placed on the supporting seat and used for filling the tunneling groove, the well ring is in a ring shape, and the inside and the outside of the well ring are made of soil;
the well ring has the function of supporting the internal and external soil and avoiding the collapse of the internal and external soil.
The fourth step is soil sampling: and excavating the soil in the well ring.
The soil in the well ring is taken away, so that the drilling and excavating work of the whole well is completed, and after the soil in the well ring is excavated, the excavating work of the whole soil body is completed.
The soil which needs to be smashed and is drawn away in the slurry form in the excavation process is only the soil in the pre-excavation groove and the tunneling groove, and other soil can be directly excavated in a manual or mechanical excavation mode in a dry state, so that the excavation mode only needs to smash a small amount of soil, the energy consumption of the excavation mode is relatively low, the generated slurry is less, and the slurry required in the excavation process is less.
Optionally, water is continuously replenished at the drill bit during the drilling step, and mud is pumped away at the drill bit.
The water serves as a lubricating liquid in the process of crushing, and the water serves as a function of dissolving soil into slurry.
Optionally, before the well ring is placed on the supporting seat, a maintenance groove is dug around the pre-dug groove, the maintenance groove is circular, after the maintenance groove is dug, a maintenance blocking ring is placed in the maintenance groove, and 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 fender ring is in order to ensure when placing the well ring more smoothly, and concrete well ring is formed by reinforced concrete pouring.
Optionally, the depth of the pre-dug groove is greater than the sum of the length of the drill bit and the length of the support seat.
Optionally, the depth of the heading groove is not more than 35 m.
Optionally, the well ring has a plurality ofly, and the axis of well ring, supporting seat and drill bit coincides mutually.
The invention has the beneficial effects that: when drilling, all the soil is not needed 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 diagram of the construction of a drilling installation,
figure 2 is an enlarged schematic sketch at a in figure 1,
figure 3 is a schematic view of the position of the drilling apparatus at the start of drilling,
fig. 4 is a schematic view of the drilling apparatus in a position after completion of drilling.
The figures are numbered: 1. a drill bit; 2. a steel plate; 3. a slurry discharge pipe; 4. a supporting seat; 5. a hydraulic pump; 6. a bearing; 7. a seal ring; 8. a gear; 9. maintaining the retaining ring; 10. soil; 11. and (4) well ring.
The specific implementation mode is as follows:
the present invention will be described in detail below 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 support seat 4, wherein the drill bit 1 is an annular drill bit 1, the support seat 4 is an annular support seat 4, the support seat 4 and the drill bit 1 are rotationally matched together through a gear 8, and a mud discharging pipe 3 is arranged on the inner side annular wall of the support seat 4.
In this device, supporting seat 4 is located the top of drill bit 1, drill bit 1 rotates, 1 rotation of drill bit can smash into the fragment with earth 10 of 1 below of drill bit, arrange thick liquid pipe 3 can be constantly with filling water with mud solution into mud, then continuously take away mud, an annular recess can be bored into to this kind of drilling equipment finally, place like after annular reinforced concrete ring (can be called well ring 11) in this annular recess, can directly dig out the earth 10 of mid portion under the dry state, need not to smash whole mud, the energy consumption is lower during the excavation, the mud production volume is few.
As shown in fig. 1 and fig. 2, the hydraulic pump 5 is further included, the hydraulic pump 5 is disposed on the support base 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 disposed between the drill bit 1 and the support base 4.
The bearing 6 serves 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 seal ring 7 is disposed between the drill bit 1 and the support base 4.
Because parts such as the gear 8 and the hydraulic pump 5 are arranged between the drill bit 1 and the supporting seat 4, the gear 8 and the hydraulic pump 5 cannot be polluted by mud in the drilling process.
As shown in attached figures 1 and 2, the slurry discharge pipes 3 are provided with a plurality of pipes, and the slurry discharge pipes 3 are distributed on the inner wall of the supporting seat 4 at equal intervals.
The plurality of slurry discharge pipes 3 are arranged to conveniently and rapidly supply water to the drill bit 1 and timely pump away slurry.
As shown in fig. 1 and 2, an annular steel plate 2 is provided on the inner wall of the support base 4.
Because need place the well ring 11 that reinforced concrete individual concrete was pour on the supporting seat 4, so set up annular steel sheet 2 on the inner wall of supporting seat 4, steel sheet 2 can play the effect of supporting well ring 11, and steel sheet 2 can weld the extension constantly.
Example 2
A method of drilling a well requiring the use of a drilling apparatus as described in example 1
S1 (excavation step): excavating a circular pre-excavating groove on the ground;
the pre-dug groove is excavated to facilitate the placement of the support seat 4 and the drill bit 1;
s2 (drilling step): the drill bit 1 starts to rotate, and the pre-dug groove is further dug to be deep into a tunneling groove;
the drilling process is the process of digging the pre-dug groove deep.
S3: firstly, excavating a maintenance groove around the pre-excavated groove, wherein the maintenance groove is annular, and after the maintenance groove is excavated, a maintenance retaining ring 9 is placed in the maintenance groove, and the inner diameter of the maintenance retaining ring 9 is larger than the outer diameter of the supporting seat 4.
The purpose of the maintenance collar 9 is to ensure that the well ring 11 is placed more smoothly, in particular the well ring 11 is made of reinforced concrete.
S4 (stacking step): a well ring 11 is placed on the supporting seat 4, the well ring 11 is used for filling the tunneling groove, the well ring 11 is in a circular ring shape, and soil 10 is filled inside and outside the well ring 11;
the well ring 11 plays a role in supporting the internal and external soil and preventing the internal and external soil from collapsing.
S5 (soil sampling step): the earth 10 in the well annulus 11 is excavated.
The soil in the well ring 11 is taken away, so that the drilling and excavating work of the whole well is completed, and the soil in the well ring 11 is excavated, so that the excavating work of the whole soil body is completed.
The soil which needs to be smashed and is drawn away in the slurry form in the excavation process is only the soil 10 in the pre-excavation groove and the tunneling groove, and other soil can be directly excavated in a manual or mechanical excavation mode in a dry state, so that the excavation mode only needs to smash a small amount of soil 10, the energy consumption of the excavation mode is relatively low, less slurry is generated, and less slurry is needed in the excavation process.
During the drilling step, water is constantly replenished at the drill bit 1 and the mud at the drill bit 1 is pumped away.
The water acts as a lubricating fluid during the breaking up process and acts to dissolve the soil 10 into a slurry.
Before the well ring 11 is placed on the support 4,
the depth of the pre-dug groove is larger than the sum of the length of the drill bit 1 and the length of the supporting seat 4.
The depth of the tunneling groove is not more than 35 m.
In this embodiment, the state when excavation is started is as shown in fig. 3, the distances between the drill bit 1 and the support seat 4 from the ground surface are relatively close, after the drilling operation is completed, as shown in fig. 4, the distances between the drill bit 1 and the support seat 4 from the ground surface are relatively far, at this time, the soil 10 in the well ring 11 can be excavated out in a dry state by using the excavator without being broken and then pumped out in a slurry form, so that the energy consumption in the whole excavation process is relatively low, and the generation amount of the slurry in the excavation process is lowered, and the volume of the whole drilling device is relatively small due to the fact that the hydraulic pump 5 is used as power.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, which is defined by the claims and their equivalents, and can be directly or indirectly applied to other related fields of technology.
Claims (8)
1. The drilling device is characterized by comprising a drill bit and a supporting seat, wherein the drill bit is annular, the supporting seat and the drill bit are matched together in a rotating mode through a gear, and a mud discharging pipe is arranged on the inner side annular wall of the supporting seat.
2. The drilling apparatus as claimed in claim 1, further comprising a hydraulic pump disposed on the support base, the hydraulic pump being adapted to drive operation of the gear.
3. A method of drilling a well adapted for use with a drilling rig according to any of claims 1 to 2, comprising the steps of
Excavating: excavating a circular pre-excavating groove on the ground;
drilling: the drill bit starts to rotate, and the pre-digging groove is further dug to be deep into a tunneling groove;
stacking: a well ring is placed on the supporting seat and used for filling the tunneling groove, the well ring is in a ring shape, and the inside and the outside of the well ring are made of soil;
soil taking step: and excavating the soil in the well ring.
4. A method as claimed in claim 3, wherein water is constantly replenished at the drill bit and mud is pumped away at the drill bit during the drilling step.
5. A method as claimed in claim 3, wherein the maintenance groove is cut around the pre-cut groove before the well ring is placed on the support, the maintenance groove being circular, and after the maintenance groove has been cut, a maintenance collar is placed in the maintenance groove, the maintenance collar having an inner diameter greater than the outer diameter of the support.
6. The method of drilling of claim 3, wherein the pregroove has a groove depth greater than the sum of the length of the drill bit and the length of the support shoe.
7. A method of drilling as claimed in claim 3 wherein the trench depth of the ripper groove is no more than 35 metres.
8. The method of drilling according to claim 3, wherein there are a plurality of said well rings, and the central axes of the well rings, the support block and the drill bit coincide.
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 true CN113513274A (en) | 2021-10-19 |
| CN113513274B CN113513274B (en) | 2024-02-09 |
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| 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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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 |
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| Publication number | Publication date |
|---|---|
| CN113513274B (en) | 2024-02-09 |
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