CN107165597A - A kind of wire line coring instrument and method - Google Patents
A kind of wire line coring instrument and method Download PDFInfo
- Publication number
- CN107165597A CN107165597A CN201710558000.7A CN201710558000A CN107165597A CN 107165597 A CN107165597 A CN 107165597A CN 201710558000 A CN201710558000 A CN 201710558000A CN 107165597 A CN107165597 A CN 107165597A
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- coring
- turbine
- piston rod
- interior
- cylinder
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- 238000000034 method Methods 0.000 title claims description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 239000002002 slurry Substances 0.000 claims abstract description 14
- 239000000725 suspension Substances 0.000 claims abstract description 11
- 239000000428 dust Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 239000012530 fluid Substances 0.000 claims description 28
- 210000002435 tendon Anatomy 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000000638 stimulation 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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/02—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe
-
- 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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/10—Formed core retaining or severing means
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of wire line coring instrument, mainly by upper shell, suspension ring, flow guiding head, support tube, turbine wheel shaft, alignment bearing, turbine rotor, turbine stator, rotor supports set, stator support set, lower house, spring bearing group, interior adjusting set, outer adjusting set, planet wheel case, bolt, dust ring, end ring, anti-lost end cap, taper roll bearing, bearing pin, thrust bearing, planetary gear, deceleration cylinder, cover plate, power transmission shaft, piston cylinder, sealing ring, piston rod, locking pin, core tube, outer coring bit, interior coring bit, core pawl and slurry check ring composition, it is characterized in that when carrying out coring, slurry check ring is put into tool interior, locking pin is cut and interior coring bit acts on downwards stratum, core is stored in core tube, the thrust as suffered by deceleration cylinder rotating speed and piston rod upper surface is determined the rotating speed and the pressure of the drill of interior coring bit respectively；After the completion of coring, the part of tool interior is all proposed and takes out core by upper lifting ring.
Description
Technical field
It is particularly a kind of to be used to dig wire line coring instrument and its behaviour for taking underground core the present invention relates to a kind of coring tool
Make method, belong to mechanical engineering technical field.
Background technology
With the fast development of global economy, the demand to petroleum resources is also being continuously increased.Currently, oil-gas exploration is opened
Hair is deeply to thousands of meters below earth's surface of position, the enormous amount of deep ＆ ultra-deep well.Before oil field carries out drillng operation,
Need first to understand the geological condition on diverse location stratum.In order to realize that main take carries out rock sampling in this purpose, engineering
Method, i.e. coring.By core-drilling in the earth formation and its physico mechanical characteristic is analyzed, correlation stratum and oil-gas Layer can be predicted
Property, provide reliable basis to formulate rational development plan, accurate CALCULATING OILFIELD reserves, formulating well stimulation.Oil gas is surveyed
Spy job area is wide and quantity is big, and coring has larger demand.Due to well up to thousands of rice and diameter only at 10 centimetres
To 30 cm ranges, it is therefore desirable to which specific instrument carries out this operation.
Existing coring device is universal using well head rotating disk as power, i.e., whole drill string is rotated, the energy source at coring tool
Transmitted in well head power set and by drill string.The shortcoming of this mode is along journey energy loss greatly, when position of stratum is deeper
When capacity usage ratio it is relatively low.In addition, when well is not straight hole, because the frictional resistance between drill string and the borehole wall is easily caused drill string because of torsion
Square is excessive and twists off.Wire line coring then avoids above mentioned problem.Although existing numerous technologies in terms of wire line coring, respectively
There are advantage and limitation, it is impossible to be used in coring to universality.Accordingly, it would be desirable to more innovative special on coring tool
It is not the structure in terms of wire line coring instrument.
The content of the invention
It is an object of the invention in order to reach above-mentioned target, spy proposes a kind of wire line coring instrument and method.
To reach above-mentioned purpose, the technical scheme that the present invention solves the use of this technical problem is：
A kind of wire line coring instrument, mainly by upper shell, suspension ring, flow guiding head, support tube, turbine wheel shaft, alignment bearing, turbine
Rotor, turbine stator, rotor supports set, stator support set, lower house, spring bearing group, interior adjusting set, outer adjusting set, planet
Wheel case, bolt, dust ring, end ring, anti-lost end cap, taper roll bearing, bearing pin, thrust bearing, planetary gear, deceleration cylinder,
Cover plate, power transmission shaft, piston cylinder, sealing ring, piston rod, locking pin, core tube, outer coring bit, interior coring bit, core pawl and
Slurry check ring is constituted, it is characterised in that：The upper shell and lower house, lower house and outer coring bit, suspension ring and flow guiding head, lead
Flow head and support tube, support tube and planet wheel case, turbine wheel shaft and rotor supports set, rotor supports set and power transmission shaft, deceleration cylinder with
Piston cylinder, piston rod are threadedly coupled with core tube, core tube with interior coring bit, locking pin with being used between piston cylinder；It is described
The upper end of turbine wheel shaft is provided with entrance channel, and the lower end of deceleration cylinder is provided with pressure release runner, the middle part of rotor supports set and core tube
Top is equipped with radial flow path；It is used for the turbine that righting is rotated provided with alignment bearing between the upper end of the turbine wheel shaft and support tube
Axle；Axial movement outside the turbine wheel shaft provided with step for limiting turbine rotor, turbine rotor passes through rotor supports casing pressure
It is tightly fixed on turbine wheel shaft, support tube inwall is used for the axial movement for limiting turbine stator provided with step, and it is fixed that turbine stator passes through
Sub- support set is fixed in support tube, and stator support set is positioned in spring bearing group；It is the planet wheel case, bolt, anti-
Konisphere, end ring, anti-lost end cap, taper roll bearing, bearing pin, thrust bearing, planetary gear, deceleration cylinder and cover plate are collectively constituted
The reducing gear of coring tool；The slurry check ring is in hollow cylindrical.
A kind of described wire line coring instrument, it is characterised in that：Pass through taper spline between the upper shell and support tube
Connection, upper enclosure inner wall, which is evenly equipped with outside 8 cone tanks, support tube, is evenly equipped with 4 taper convex tendons；The taper of the support tube is convex
The cone tank of muscle and upper shell coordinates, and the weight of coring tool inner body is put on upper shell by taper spline, not
Other 4 cone tanks coordinated with taper convex tendon then form flow channels；Pass through straight spline between the piston rod and piston cylinder
Connection, locking pin limits the axial movement of piston rod opposing pistons cylinder.
A kind of method of described wire line coring instrument, it is characterised in that：The suspension ring upper end is used to be connected with rope, when
When coring tool completes coring, the coring tool that the part outside upper shell, lower house and outer coring bit can be constituted
Interior arrangement is integrally proposed；When not carrying out coring, the fluid inside coring tool be partly into upper shell not with
4 cone tanks of taper convex tendon cooperation simultaneously flow to shaft bottom, and another part is entered inside support tube by entrance channel, but due to entering
Enter the fluid inside support tube successively by entrance channel, the radial flow path of turbine wheel shaft, turbine mechanism, the radial direction of rotor supports set
Runner and current by pass, it presses consumption larger, therefore fluid mainly flow to shaft bottom by cone tank；On the other hand, due to piston rod
The pressure difference of upper and lower ends is little, therefore locking pin can not be cut；When carrying out coring, to tool interior input mud gear
Circle, slurry check ring stays in the upper end of upper shell interior tapered spline and blocks the cone tank of upper enclosure inner wall, now instrument
Internal fluid can only can not be flowed into turbine mechanism by cone tank by the radial flow path of entrance channel and turbine wheel shaft, stream
Body driving turbine rotor rotates and is further driven to turbine wheel shaft, rotor supports set, power transmission shaft high-speed rotation, the height of power transmission shaft together
The effect that speed rotates through reducing gear changes into slowly running for deceleration cylinder, and is further driven to piston cylinder, piston rod, core
Cylinder, interior coring bit slowly run；On the other hand, radial flow path and biography that the fluid discharged by turbine mechanism covers through rotor supports
The inner cylinder of moving axis, flows to piston rod upper end, because piston rod upper surface by closure fluid can only drain into piston by current by pass
In the annular space that cylinder is formed with lower house, in the process, fluid matasomatism is in piston rod upper surface and gives piston rod downward thrust,
Locking pin is cut under thrust, and piston rod moves downward and drives coring bit in dynamic to act on stratum, location of the coring procedure
In in coring bit rotating speed and the pressure of the drill the thrust suffered by the rotating speed of deceleration cylinder and piston rod upper surface is determined respectively, core entrance
The fluid inside core tube is compressed after core tube, fluid is discharged by the radial flow path of core tube upper end.
The invention has the advantages that：(1) inventive article inner body is extractable out, the nothing after core-drilling
Whole drill string need to be proposed well；(2) rotating speed of outer coring bit is determined by drill string rotating speed, and the rotating speed of interior coring bit is by slowing down
Mechanism determines that i.e. coring bit rotating speed is adjustable.
Brief description of the drawings
Fig. 1 is a kind of structural representation of wire line coring instrument of the invention；
Fig. 2 is Fig. 1 A-A diagrammatic cross-sections；
Fig. 3 is Fig. 1 B-B diagrammatic cross-sections；
Fig. 4 is Fig. 1 C-C diagrammatic cross-sections；
Fig. 5 is Fig. 1 D-D diagrammatic cross-sections；
Fig. 6 is Fig. 1 E-E diagrammatic cross-sections；
Fig. 7 is Fig. 1 F-F diagrammatic cross-sections；
Fig. 8 for Fig. 1 G to schematic diagram；
Fig. 9 is cross-sectional view of the upper shell at provided with cone tank；
Figure 10 is axial cut-away view of the upper shell at provided with cone tank；
Figure 11 is the structural representation of reducing gear；
Figure 12 is the structural representation of planet wheel case；
Figure 13 is the right view of planet wheel case in Figure 12；
The structural representation of whole coring tool when Figure 14 is interior coring bit coring；
In figure：1. upper shell, 2. suspension ring, 3. flow guiding heads, 4. support tubes, 5. turbine wheel shafts, 6. alignment bearings, 7. turbines turn
Son, 8. turbine stators, 9. rotor supports sets, 10. stator support sets, 11. lower houses, 12. spring bearing groups, adjusting set in 13.,
14. outer adjusting set, 15. planet wheel cases, 16. bolts, 17. dust rings, 18. end rings, 19. anti-lost end caps, 20. taper rollers
Bearing, 21. bearing pins, 22. thrust bearings, 23. planetary gears, 24. deceleration cylinders, 25. cover plates, 26. power transmission shafts, 27. piston cylinders, 28.
Sealing ring, 29. piston rods, 30. locking pins, 31. core tubes, 32. outer coring bits, coring bit in 33., 34. core pawls,
35. slurry check ring.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1 to figure 13, a kind of wire line coring instrument, mainly by upper shell 1, suspension ring 2, flow guiding head 3, support tube 4,
Turbine wheel shaft 5, alignment bearing 6, turbine rotor 7, turbine stator 8, rotor supports set 9, stator support set 10, lower house 11, support
Bearing group 12, interior adjusting set 13, outer adjusting set 14, planet wheel case 15, bolt 16, dust ring 17, end ring 18, anti-lost end cap
19th, taper roll bearing 20, bearing pin 21, thrust bearing 22, planetary gear 23, deceleration cylinder 24, cover plate 25, power transmission shaft 26, piston cylinder
27th, sealing ring 28, piston rod 29, locking pin 30, core tube 31, outer coring bit 32, interior coring bit 33, core pawl 34 and mud
Slurry back-up ring 35 is constituted, it is characterised in that：The upper shell 1 and lower house 11, lower house 11 and outer coring bit 32, suspension ring 2 with
Flow guiding head 3, flow guiding head 3 and support tube 4, support tube 4 and planet wheel case 15, turbine wheel shaft 5 and rotor supports set 9, rotor supports set 9
With power transmission shaft 26, deceleration cylinder 24 and piston cylinder 27, piston rod 29 and core tube 31, core tube 31 and interior coring bit 33, locking
Use and be threadedly coupled between pin 30 and piston cylinder 27；The upper end of the turbine wheel shaft 5 is provided with entrance channel P, the lower end of deceleration cylinder 24
Provided with pressure release runner M, the middle part of rotor supports set 9 and the top of core tube 31 are equipped with radial flow path；The turbine wheel shaft 5 it is upper
It is used for the turbine wheel shaft 5 that righting is rotated provided with alignment bearing 6 between end and support tube 4；The outside of turbine wheel shaft 5 is used for provided with step
The axial movement of turbine rotor 7 is limited, turbine rotor 7 is fixed on turbine wheel shaft 5 by rotor supports set 9, in support tube 4
Wall is used for the axial movement for limiting turbine stator 8 provided with step, and turbine stator 8 is fixed in support by stator support set 10
In cylinder 4, stator support set 10 is positioned in spring bearing group 12；The planet wheel case 15, bolt 16, dust ring 17, bearing rib
Circle 18, anti-lost end cap 19, taper roll bearing 20, bearing pin 21, thrust bearing 22, planetary gear 23, deceleration cylinder 24 and cover plate 25 are common
With the reducing gear of composition coring tool；The slurry check ring 35 is in hollow cylindrical.
As shown in Figure 1, Figure 2, shown in Fig. 9 and Figure 10, a kind of described wire line coring instrument, it is characterised in that：The upper shell 1
It is connected between support tube 4 by taper spline, the inner wall even distribution of upper shell 1 has is evenly equipped with 4 outside 8 cone tanks, support tube 4
Taper convex tendon；The taper convex tendon of the support tube 4 coordinates with the cone tank of upper shell 1, and the weight of coring tool inner body is equal
Put on by taper spline on upper shell 1, other 4 cone tanks not coordinated with taper convex tendon then form flow channels.
As shown in Fig. 1, Fig. 5 and Figure 14, connected between the piston rod 29 and piston cylinder 27 by straight spline, locking pin 30
Limit the axial movement of the opposing pistons cylinder 27 of piston rod 29.
As shown in Fig. 1 and Figure 14, a kind of method of described wire line coring instrument, it is characterised in that：The upper end of suspension ring 2
, can be by outside upper shell 1, lower house 11 and outer coring bit 32 when coring tool completes coring for being connected with rope
The coring tool interior arrangement that is constituted of part integrally propose；When not carrying out coring, the fluid inside coring tool
It is partly into 4 cone tanks not coordinated with taper convex tendon of upper shell 1 and flow to shaft bottom, another part passes through entrance channel
P enters inside support tube 4, but due to entering the fluid inside support tube 4 successively by entrance channel P, the radial flow of turbine wheel shaft 5
Road, turbine mechanism, the radial flow path of rotor supports set 9 and current by pass M, it presses consumption larger, therefore fluid mainly passes through taper
Groove flow to shaft bottom；On the other hand, because the pressure difference of the upper and lower ends of piston rod 29 is little, therefore locking pin 30 can not be cut；When
When carrying out coring, slurry check ring 35 is put into tool interior, slurry check ring 35 stays in the interior tapered spline of upper shell 1
Upper end simultaneously blocks the cone tank of the inwall of upper shell 1, now the fluid of tool interior be able to not can only be passed through by cone tank into
The radial flow path of mouth runner P and turbine wheel shaft 5 is flowed into turbine mechanism, and fluid driven turbin rotor 7 rotates and is further driven to whirlpool
Wheel shaft 5, rotor supports cover 9, power transmission shaft 26 high-speed rotation together, and the high-speed rotation of power transmission shaft 26 turns by the effect of reducing gear
Slowly running for deceleration cylinder 24 is melted into, and it is low to be further driven to piston cylinder 27, piston rod 29, core tube 31, interior coring bit 33
Speed is rotated；On the other hand, the fluid discharged by turbine mechanism covers 9 radial flow path and the inner cylinder of power transmission shaft 26 through rotor supports,
Flow to the upper end of piston rod 29, due to the upper surface of piston rod 29 by closure fluid can only be drained into by current by pass M piston cylinder 27 with
In the annular space of the formation of lower house 11, in the process, fluid matasomatism is in the upper surface of piston rod 29 and downward to piston rod 29 pushes away
Power, locking pin 30 is cut under thrust, and piston rod 29 moves downward and drives coring bit 33 in dynamic to act on stratum,
The rotating speed and the pressure of the drill of coring bit 33 are pushed away as suffered by the rotating speed of deceleration cylinder 24 and the upper surface of piston rod 29 respectively in location of the coring procedure
Power determines that core enters the fluid inside compression core tube 31, the radial flow that fluid passes through the upper end of core tube 31 after core tube 31
Discharge in road.
Embodiment described above is used for the scope illustrated the present invention without limiting the present invention, the skill of any this area
Art personnel equivalent variations made under the premise of the design of the present invention and principle is not departed from and modification, belong to the guarantor of the present invention
Protect scope.
Claims (3)
1. a kind of wire line coring instrument, mainly by upper shell (1), suspension ring (2), flow guiding head (3), support tube (4), turbine wheel shaft (5),
Alignment bearing (6), turbine rotor (7), turbine stator (8), rotor supports set (9), stator support set (10), lower house (11),
Spring bearing group (12), interior adjusting set (13), outer adjusting set (14), planet wheel case (15), bolt (16), dust ring (17), axle
Hold back-up ring (18), anti-lost end cap (19), taper roll bearing (20), bearing pin (21), thrust bearing (22), planetary gear (23), subtract
Fast cylinder (24), cover plate (25), power transmission shaft (26), piston cylinder (27), sealing ring (28), piston rod (29), locking pin (30), core
Cylinder (31), outer coring bit (32), interior coring bit (33), core pawl (34) and slurry check ring (35) composition, it is characterised in that：
The upper shell (1) and lower house (11), lower house (11) and outer coring bit (32), suspension ring (2) and flow guiding head (3), water conservancy diversion
Head (3) and support tube (4), support tube (4) and planet wheel case (15), turbine wheel shaft (5) and rotor supports set (9), rotor supports set
(9) with power transmission shaft (26), deceleration cylinder (24) and piston cylinder (27), piston rod (29) and core tube (31), core tube (31) with it is interior
Coring bit (33), locking pin (30) are threadedly coupled with being used between piston cylinder (27)；The upper end of the turbine wheel shaft (5) be provided with into
Mouth runner P, the lower end of deceleration cylinder (24) is provided with pressure release runner M, and the middle part of rotor supports set (9) and the top of core tube (31) are equal
Provided with radial flow path；It is used for what righting was rotated provided with alignment bearing (6) between the upper end of the turbine wheel shaft (5) and support tube (4)
Turbine wheel shaft (5)；Axial movement outside the turbine wheel shaft (5) provided with step for limiting turbine rotor (7), turbine rotor (7)
It is fixed by rotor supports set (9) on turbine wheel shaft (5), support tube (4) inwall is used to limit turbine stator provided with step
(8) axial movement, turbine stator (8) is fixed in support tube (4) by stator support set (10), stator support set
(10) it is positioned in spring bearing group (12)；The planet wheel case (15), bolt (16), dust ring (17), end ring (18),
Anti-lost end cap (19), taper roll bearing (20), bearing pin (21), thrust bearing (22), planetary gear (23), deceleration cylinder (24) and lid
Plate (25) collectively constitutes the reducing gear of coring tool；The slurry check ring (35) is in hollow cylindrical.
2. a kind of wire line coring instrument according to claim 1, it is characterised in that：The upper shell (1) and support tube (4)
Between connected by taper spline, upper shell (1) inner wall even distribution has 8 cone tanks, and 4 tapers are evenly equipped with outside support tube (4)
Convex tendon；The taper convex tendon of the support tube (4) coordinates with the cone tank of upper shell (1), and the weight of coring tool inner body is equal
Put on by taper spline on upper shell (1), other 4 cone tanks not coordinated with taper convex tendon then form flow channels；
It is connected between the piston rod (29) and piston cylinder (27) by straight spline, locking pin (30) limitation piston rod (29) opposing pistons
The axial movement of cylinder (27).
3. a kind of method of wire line coring instrument according to claim 1, it is characterised in that：Use suspension ring (2) upper end
It is connected in rope, can be by except upper shell (1), lower house (11) and outer coring bit (32) when coring tool completes coring
Outside the coring tool interior arrangement that is constituted of part integrally propose；When not carrying out coring, inside coring tool
Fluid is partly into 4 cone tanks not coordinated with taper convex tendon of upper shell (1) and flow to shaft bottom, and another part is by entering
Mouth runner P enters support tube (4) inside, but due to entering the internal fluid priority of support tube (4) by entrance channel P, turbine
Radial flow path, turbine mechanism, the radial flow path of rotor supports set (9) and the current by pass M of axle (5), it presses consumption larger, therefore stream
Body mainly flow to shaft bottom by cone tank；On the other hand, because the pressure difference of piston rod (29) upper and lower ends is little, therefore locking pin
(30) it can not be cut；When carrying out coring, slurry check ring (35) is put into tool interior, slurry check ring (35) stays in
The upper end of upper shell (1) interior tapered spline simultaneously blocks the cone tank of upper shell (1) inwall, now the fluid of tool interior without
Method can only be flowed into turbine mechanism by cone tank by the radial flow path of entrance channel P and turbine wheel shaft (5), fluid driving whirlpool
Wheel rotor (7) rotates and is further driven to turbine wheel shaft (5), rotor supports set (9), power transmission shaft (26) high-speed rotation together, is driven
The high-speed rotation of axle (26) changes into slowly running for deceleration cylinder (24) by the effect of reducing gear, and is further driven to piston
Cylinder (27), piston rod (29), core tube (31), interior coring bit (33) slowly run；On the other hand, discharged by turbine mechanism
The inner cylinder of radial flow path and power transmission shaft (26) of the fluid through rotor supports set (9), flows to piston rod (29) upper end, due to piston rod
(29) upper surface can only be drained into the annular space that piston cylinder (27) is formed with lower house (11) by closure fluid by current by pass M,
In the process, fluid matasomatism is locked in piston rod (29) upper surface and the thrust downward to piston rod (29) under thrust
Tight pin (30) is cut, and piston rod (29) moves downward and drives coring bit (33) in dynamic to act in stratum, location of the coring procedure
The rotating speed and the pressure of the drill of interior coring bit (33) respectively determine by the thrust as suffered by the rotating speed of deceleration cylinder (24) and piston rod (29) upper surface
Fixed, core enters core tube (31) and compresses the internal fluid of core tube (31), the radial direction that fluid passes through core tube (31) upper end afterwards
Runner is discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710558000.7A CN107165597B (en) | 2017-07-10 | 2017-07-10 | A kind of wire line coring tool and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710558000.7A CN107165597B (en) | 2017-07-10 | 2017-07-10 | A kind of wire line coring tool and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107165597A true CN107165597A (en) | 2017-09-15 |
| CN107165597B CN107165597B (en) | 2019-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710558000.7A Active CN107165597B (en) | 2017-07-10 | 2017-07-10 | A kind of wire line coring tool and method |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108386543A (en) * | 2018-05-09 | 2018-08-10 | 广州珐玛珈智能设备股份有限公司 | A kind of sealing structure |
| CN108868677A (en) * | 2018-08-13 | 2018-11-23 | 四川大学 | A kind of core drilling rig and dental drill interlocking mechanism |
| CN109403901A (en) * | 2018-11-08 | 2019-03-01 | 深圳大学 | Core drilling rig fluid passage structure |
| CN109403898A (en) * | 2018-11-08 | 2019-03-01 | 深圳大学 | Core drilling rig drills through mechanism |
| CN109441383A (en) * | 2018-11-08 | 2019-03-08 | 深圳大学 | Core drilling rig drills through control mechanism |
| CN109779552A (en) * | 2018-08-13 | 2019-05-21 | 四川大学 | Core drilling rig automatic start-stop mechanism |
| WO2020034360A1 (en) * | 2018-08-13 | 2020-02-20 | 四川大学 | Constant-temperature and constant-pressure core preservation chamber |
| WO2020093412A1 (en) * | 2018-11-08 | 2020-05-14 | 深圳大学 | Driving system for core drilling rig |
| CN112112588A (en) * | 2020-09-08 | 2020-12-22 | 中国地质科学院勘探技术研究所 | Press-in type rope coring drilling tool and coring process method thereof |
| CN112324335A (en) * | 2020-10-30 | 2021-02-05 | 中国地质大学（武汉） | Rope core-taking turbine drilling tool for geological exploration of horizontal directional drilling engineering |
| CN112324336A (en) * | 2020-10-30 | 2021-02-05 | 中国地质大学（武汉） | Rope coring screw drill for geological exploration of horizontal directional drilling engineering |
| CN113175307A (en) * | 2021-04-29 | 2021-07-27 | 四川大学 | Rotary seal core lifting mechanism |
| CN116641695A (en) * | 2023-07-26 | 2023-08-25 | 金石钻探(唐山)股份有限公司 | Self-adaptive drilling tool and drilling process |
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