CN106437589A - Intelligent milling shoe - Google Patents
Intelligent milling shoe Download PDFInfo
- Publication number
- CN106437589A CN106437589A CN201610959773.1A CN201610959773A CN106437589A CN 106437589 A CN106437589 A CN 106437589A CN 201610959773 A CN201610959773 A CN 201610959773A CN 106437589 A CN106437589 A CN 106437589A
- Authority
- CN
- China
- Prior art keywords
- valve
- sliding sleeve
- main sliding
- junk mill
- runner
- 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
- 238000003801 milling Methods 0.000 title abstract description 12
- 239000000956 alloy Substances 0.000 claims abstract description 17
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 11
- 230000004888 barrier function Effects 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 abstract 2
- 230000001960 triggered effect Effects 0.000 abstract 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
Landscapes
- 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)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention discloses an intelligent milling shoe. Through the structural arrangement of a piston rod, a main sliding sleeve, an adapter, a fusing valve, a milling shoe body and a control circuit board and by utilizing a hard alloy layer at the head of the milling shoe body which is completely worn to connect a wire and the milling shoe body, the control circuit board is triggered to be connected to control a valve core to move and open a valve body flow channel until a pressure relief hole is opened to change the pressure in a drilling post; whether the milling shoe reaches the service life can be judged conveniently by wellhead operation personnel according to the change of the pressure in the drilling post, so that real-time monitoring of the milling shoe is realized, and the situation of lifting a drill by mistake is avoided.
Description
Technical field
The present invention relates to a kind of intelligent junk mill, belong to workover tool field.
Background technology
Junk mill is conventional a kind of instrument during well workover, and its effect is milling trouble of lost tool in hole.Making currently for junk mill
Never have monitoring method with the life-span.In actual applications, milling speed can only be relied on to judge whether to reach its life-span.Work as mill
When milling speed becomes very slow, that is, think that junk mill reaches its service life, junk mill need to be changed.But, when running into harder junk
When (be frequently encountered by), the milling speed that will also result in junk mill becomes very slow.At this moment just cannot judge to make in shaft mouth operation personnel
The reason become milling to slow, can only be checked by carrying brill, expend substantial amounts of manpower and materials.
For this reason, it may be necessary to design a intelligent junk mill, with the damaged condition of effective detection junk mill.
Content of the invention
The technology solve problem of the present invention：For overcoming the deficiencies in the prior art, provide a kind of intelligent junk mill, judged with accurate
Whether junk mill reaches its service life, it is to avoid carry brill by mistake.
The technical solution of the present invention：
A kind of intelligent junk mill, including top oil cylinder, piston rod, main sliding sleeve, adapter, fusing valve, valve end cap, junk mill, electricity
Pond group, control board and contact pin,
Main sliding sleeve one end is connected with top oil cylinder, and the main sliding sleeve other end is connected with junk mill, wherein main sliding sleeve and top oil cylinder
Internal all hollow simultaneously communicates formation hollow chamber, and the piston rod of hollow is placed in main sliding sleeve and the hollow chamber of top oil cylinder junction
In, inwall dynamic sealing with main sliding sleeve and top oil cylinder, main sliding sleeve has been radially arranged relief hole, and during original state, piston rod leans on
Its sealing function makes relief hole be not communicated with hollow chamber,
It is provided with main sliding sleeve runner, adapter, fusing valve, the interior valve end being provided with valve end cap runner in the side wall of main sliding sleeve
Lid, battery pack, control board and contact pin,
Main sliding sleeve runner one end and the chamber residing for piston rod, the main sliding sleeve runner other end is with adapter one end even
Logical, the adapter other end is communicated with one end of valve end cap runner,
Fusing valve includes valve body and valve element, and valve element is placed in valve body, with valve interior wall dynamic sealing, valve body is provided with and valve
Valve flowing channel and the through hole communicating with hollow chamber that the other end of end cap runner communicates, when valve element (13) is located at initial position,
By its sealing function, valve flowing channel (1201) is separated from inside,
Junk mill includes body and head hard alloy layer, and contact pin one end is connected with control board, the other end and tape insulation
The wire of layer connects, and the other end of wire inserts body and the head hard alloy connecting place of junk mill.
It is worn to the insulating barrier of wire when junk mill head hard alloy layer is abraded away totally, wire is led with junk mill body
Logical, after control board detects Continuity signal, control valve core movement, open valve flowing channel, hollow chamber's inner high voltage medium according to
Secondary through through hole, valve flowing channel, valve end cap runner, adapter, main sliding sleeve runner, high-pressure medium promotes piston rod to leave initial bit
Put and move up, the relief hole on main sliding sleeve is opened, hollow chamber's inner high voltage medium is discharged through relief hole.
Fusing valve also includes zip, resistance wire and spring, and valve element, on valve element, is connected with valve body by spring housing by zip
And making spring pressurized, resistance wire is wrapped on zip, and is connected with control board.
It is worn to the insulating barrier of wire when junk mill head hard alloy layer is abraded away totally, wire is led with junk mill body
Logical, after control board detects Continuity signal, trigger control circuit is powered to resistance wire and is produced heat, and fuse zip, bullet
Spring releases pressurized, valve core movement, opens valve flowing channel, hollow chamber's inner high voltage medium sequentially passes through through hole, valve flowing channel, valve end
Lid runner, adapter, main sliding sleeve runner, high-pressure medium promotes piston rod to leave initial position and moves up, letting out on main sliding sleeve
Pressure hole is opened, and hollow chamber's inner high voltage medium is discharged through relief hole.
The mode opening fusing valve inner flow passage also can be realized by motor, leading screw and nut, and motor is connected with leading screw, nut
It is enclosed within leading screw, nut is connected with valve element.
It is worn to the insulating barrier of wire when junk mill head hard alloy layer is abraded away totally, wire is led with junk mill body
Logical, after control board detects Continuity signal, trigger control circuit is powered to motor, drives leading screw rotation, and then nut band
Movable valve plug moves, and opens valve flowing channel, and hollow chamber's inner high voltage medium sequentially passes through through hole, valve flowing channel, valve end cap runner, turns
Joint, main sliding sleeve runner, high-pressure medium promotes piston rod to leave initial position and moves up, and the relief hole on main sliding sleeve is beaten
Open, hollow chamber's inner high voltage medium is discharged through relief hole.
On main sliding sleeve and junk mill body, it is provided with the first crossed beam trunking and the second crossed beam trunking, wire is placed in the first crossed beam trunking
In the second crossed beam trunking.
Valve end cap is covered on fusing valve and adapter, and its surface is smooth with main sliding sleeve outer wall.
It is provided with the endoporus communicating with the external world in junk mill.
The present invention compared with prior art has the advantages that：
The present invention by piston rod, main sliding sleeve, adapter, fusing valve, junk mill and control board structure setting, profit
Wire is made to turn on junk mill body with junk mill head hard alloy layer is completely worn out, excitation control circuit plate turns on, and controls valve element
Motion, opens valve flowing channel, until relief hole is opened, changes the pressure in drill string, shaft mouth operation personnel are according to drill string internal pressure
Power change can easily judge whether junk mill reaches service life it is achieved that the real-time monitoring of junk mill, it is to avoid carry brill by mistake.
Brief description
Fig. 1 is the sectional view along fusing valve for the present invention；
Fig. 2 is the sectional view along battery pack for the present invention；
Fig. 3 is outer surface crossed beam trunking structural representation of the present invention；
Fig. 4 is the connection diagram of contact pin of the present invention；
Fig. 5 is present invention fusing valve arrangement figure；
Fig. 6 is present invention fusing valve sectional view.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
A kind of intelligent junk mill, as shown in Figure 1, Figure 2 and shown in Fig. 4, including top oil cylinder 1, piston rod 2, main sliding sleeve 3, adapter
4th, fusing valve 5, valve end cap 6, junk mill 7, battery pack 8, control board 9 and contact pin 11,
Main sliding sleeve 3 one end is connected with top oil cylinder 1, and main sliding sleeve 3 other end is connected with junk mill 7, wherein main sliding sleeve 3 and top
The internal all hollow of oil cylinder 1 simultaneously communicates formation hollow chamber, and the piston rod 2 of hollow is placed in main sliding sleeve 3 and top oil cylinder 1 junction
In hollow chamber, inwall dynamic sealing with main sliding sleeve 3 and top oil cylinder 1, main sliding sleeve 3 has been radially arranged relief hole 302, initial shape
During state, piston rod makes relief hole be not communicated with hollow chamber by its sealing function, is adapter endoporus 401 in the middle of adapter 4, main
Sliding sleeve runner 301 and valve end cap runner 601 are communicated with adapter endoporus 401 two ends respectively,
It is provided with main sliding sleeve runner 301, adapter 4, fusing valve 5 in the side wall of main sliding sleeve 3, interior be provided with valve end cap runner
601 valve end cap 6, battery pack 8, end cover for battery cells 10, control board 9 and contact pin 11, end cover for battery cells 10 is covered in control circuit
On plate 9 and battery pack 8, its surface is smooth with main sliding sleeve 3 outer wall；
As shown in figure 1, main sliding sleeve runner 301 one end and chamber residing for piston rod 2, main sliding sleeve runner 301 is another
End is connected with adapter 4 one end, and adapter 4 other end is communicated with one end of valve end cap runner 601.
As shown in figure 3, on main sliding sleeve 3 and junk mill 7 body, being provided with the first crossed beam trunking 303 and the second crossed beam trunking 702,
Wire is placed in the first crossed beam trunking 303 and the second crossed beam trunking 702.
As shown in Figure 5, Figure 6, fusing valve 5 includes valve body 12 and valve element 13, and valve element 13 is placed in valve body 12, in valve body 12
Wall dynamic sealing, valve body 12 is provided with the valve flowing channel 1201 being communicated with the other end of valve end cap runner 601 and and hollow chamber
The through hole communicating, when valve element (13) is located at initial position, by its sealing function, valve flowing channel (1201) is separated from inside.
Junk mill 7 includes body and head hard alloy layer, and contact pin 11 one end is connected with control board 9, the other end and band
The wire of insulating barrier connects, and the other end of wire inserts body and the head hard alloy connecting place of junk mill, as shown in Figure 4.
The operation principle of the present invention is：Ground to the insulating barrier of wire when junk mill 7 head hard alloy layer is abraded away totally
Broken, wire is turned on junk mill 7 body, after control board 9 detects Continuity signal, controls valve element 13 to move, opens valve body stream
Road 1201, hollow chamber's inner high voltage medium sequentially passes through through hole, valve flowing channel 1201, valve end cap runner 601, adapter 4, main cunning
Set runner 301, high-pressure medium promotes piston rod 2 to leave initial position and moves up, and the relief hole 302 on main sliding sleeve 3 is opened,
Hollow chamber's inner high voltage medium is discharged through relief hole 302.
Specifically, as shown in figure 5, fusing valve 5 also includes zip 14, resistance wire 15 and spring 16, spring 16 is enclosed within valve element
On 13, by zip 14, valve element 13 is connected with valve body 12 and makes spring 16 pressurized, resistance wire 15 is wrapped on zip 14, and with
Control board 9 is connected.
In such cases, be worn to the insulating barrier of wire when junk mill 7 head hard alloy layer is abraded away totally, wire with
Junk mill 7 body turns on, and after control board 9 detects Continuity signal, trigger control circuit is powered to resistance wire 15 and produced heat
Amount, fuse zip 14, and spring 16 releases pressurized, and valve element 13 moves, and opens valve flowing channel 1201, hollow chamber's inner high voltage medium according to
Secondary through through hole, valve flowing channel 1201, valve end cap runner 601, adapter 4, main sliding sleeve runner 301, high-pressure medium promotes piston
Bar 2 leaves initial position and moves up, and the relief hole 302 on main sliding sleeve 3 is opened, and hollow chamber's inner high voltage medium is through relief hole
302 discharges.
The mode opening fusing valve inner flow passage also can be realized by motor, leading screw and nut, and motor is connected with leading screw, nut
It is enclosed within leading screw, nut is connected with valve element 13.
In such cases, be worn to the insulating barrier of wire when junk mill 7 head hard alloy layer is abraded away totally, wire with
Junk mill 7 body turns on, and after control board 9 detects Continuity signal, trigger control circuit is powered to motor, drives leading screw rotation
Turn, and then nut band movable valve plug 13 moves, and opens valve flowing channel 1201, hollow chamber's inner high voltage medium sequentially passes through through hole, valve
Body runner 1201, valve end cap runner 601, adapter 4, main sliding sleeve runner 301, high-pressure medium promotes piston rod 2 to leave initial bit
Put and move up, the relief hole 302 on main sliding sleeve 3 is opened, hollow chamber's inner high voltage medium is discharged through relief hole 302.
When junk mill is detected and reaching service life, by way of the valve that fuses bypasses pressure release, reduce the pressure in drill string.
Observe the pressure change in drill string in well head, to judge whether junk mill reaches its service life.This just can be avoided carrying brill by mistake, section
Human-saving material resources.
The content not being described in detail in description of the invention belongs to the known technology of professional and technical personnel in the field.
Claims (9)
1. a kind of intelligent junk mill it is characterised in that include top oil cylinder (1), piston rod (2), main sliding sleeve (3), adapter (4),
Fusing valve (5), valve end cap (6), junk mill (7), battery pack (8), control board (9) and contact pin (11),
Main sliding sleeve (3) one end is connected with top oil cylinder (1), and main sliding sleeve (3) other end is connected with junk mill (7), wherein main sliding sleeve (3)
And the internal all hollow of top oil cylinder (1) communicate formation hollow chamber, the piston rod (2) of hollow is placed in main sliding sleeve (3) and top
In the hollow chamber of oil cylinder (1) junction, inwall dynamic sealing with main sliding sleeve (3) and top oil cylinder (1), main sliding sleeve (3) is radially
It is provided with relief hole (302), during original state, piston rod (2) makes relief hole (302) and hollow chamber's not phase by its sealing function
It is logical,
It is provided with main sliding sleeve runner (301), adapter (4), fusing valve (5) in the side wall of main sliding sleeve (3), interior be provided with valve end cap
The valve end cap (6) of runner (601), battery pack (8), control board (9) and contact pin (11),
Main sliding sleeve runner (301) one end and chamber, main sliding sleeve runner (301) other end and the switching residing for piston rod (2)
The connection of head (4) one end, adapter (4) other end is communicated with one end of valve end cap runner (601),
Fusing valve (5) includes valve body (12) and valve element (13), and valve element (13) is placed in valve body (12), with valve body (12) inwall move close
Envelope, valve body (12) is provided with the valve flowing channel (1201) being communicated with the other end of valve end cap runner (601) and and hollow chamber
The through hole communicating, when valve element (13) is located at initial position, by its sealing function, valve flowing channel (1201) is separated from inside,
Junk mill (7) includes body and head hard alloy layer, and contact pin (11) one end is connected with control board (9), the other end and
The wire of tape insulation layer connects, and the other end of wire inserts body and the head hard alloy connecting place of junk mill (7).
2. as claimed in claim 1 a kind of intelligent junk mill it is characterised in that when junk mill (7) head hard alloy layer complete
Grind off and be worn to the insulating barrier of wire, wire is turned on junk mill (7) body, after control board (9) detects Continuity signal,
Control valve element (13) motion, open valve flowing channel (1201), hollow chamber's inner high voltage medium sequentially passes through through hole, valve flowing channel
(1201), valve end cap runner (601), adapter (4), main sliding sleeve runner (301), high-pressure medium promotes piston rod (2) to leave just
Beginning position moves up, and the relief hole (302) on main sliding sleeve (3) is opened, and hollow chamber's inner high voltage medium is through relief hole (302)
Discharge.
3. as claimed in claim 1 a kind of intelligent junk mill it is characterised in that fusing valve (5) also include zip (14), resistance wire
(15) and spring (16), spring (16) is enclosed within valve element (13), by zip (14), valve element (13) is connected simultaneously with valve body (12)
Make spring (16) pressurized, resistance wire (15) is wrapped on zip (14), and be connected with control board (9).
4. as claimed in claim 3 a kind of intelligent junk mill it is characterised in that when junk mill (7) head hard alloy layer complete
Grind off and be worn to the insulating barrier of wire, wire is turned on junk mill (7) body, after control board (9) detects Continuity signal,
Trigger control circuit is powered to resistance wire (15) and is quickly produced high heat, fusing zip (14), and spring (16) releases pressurized, valve
Core (13) move, open valve flowing channel (1201), hollow chamber's inner high voltage medium sequentially pass through through hole, valve flowing channel (1201),
Valve end cap runner (601), adapter (4), main sliding sleeve runner (301), high-pressure medium promote piston rod (2) leave initial position to
Upper movement, the relief hole (302) on main sliding sleeve (3) is opened, and hollow chamber's inner high voltage medium is discharged through relief hole (302).
5. as claimed in claim 1 a kind of intelligent junk mill it is characterised in that open fusing valve (5) inner flow passage (1201) side
Formula also can be realized by motor, leading screw and nut, and motor is connected with leading screw, and, on leading screw, nut is with valve element (13) even for nut sleeve
Connect.
6. as claimed in claim 5 a kind of intelligent junk mill it is characterised in that when junk mill (7) head hard alloy layer complete
Grind off and be worn to the insulating barrier of wire, wire is turned on junk mill (7) body, after control board (9) detects Continuity signal,
Trigger control circuit is powered to motor, drives leading screw rotation, and then nut band movable valve plug (13) motion, opens valve flowing channel
(1201), hollow chamber's inner high voltage medium sequentially passes through through hole, valve flowing channel (1201), valve end cap runner (601), adapter
(4), main sliding sleeve runner (301), high-pressure medium promotes piston rod (2) to leave initial position and moves up, letting out on main sliding sleeve (3)
Pressure hole (302) is opened, and hollow chamber's inner high voltage medium is discharged through relief hole (302).
7. as claimed in claim 1 a kind of intelligent junk mill it is characterised in that on main sliding sleeve (3) and junk mill (7) body, if
It is equipped with the first crossed beam trunking (303) and the second crossed beam trunking (702), wire is placed in the first crossed beam trunking (303) and the second crossed beam trunking (702)
In.
8. as claimed in claim 1 a kind of intelligent junk mill it is characterised in that valve end cap (6) be covered in fusing valve (5) and switching
On head (4), its surface is smooth with main sliding sleeve (3) outer wall.
9. as claimed in claim 1 a kind of intelligent junk mill it is characterised in that be provided with junk mill (7) with the external world communicate interior
Hole (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610959773.1A CN106437589B (en) | 2016-10-27 | 2016-10-27 | A kind of intelligence junk mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610959773.1A CN106437589B (en) | 2016-10-27 | 2016-10-27 | A kind of intelligence junk mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106437589A true CN106437589A (en) | 2017-02-22 |
| CN106437589B CN106437589B (en) | 2019-04-09 |
Family
ID=58180211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610959773.1A Active CN106437589B (en) | 2016-10-27 | 2016-10-27 | A kind of intelligence junk mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106437589B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110709580A (en) * | 2017-06-01 | 2020-01-17 | 地球动力学公司 | Electronic time delay device and method |
| CN110805410A (en) * | 2019-11-18 | 2020-02-18 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Intelligent sliding sleeve of bridge-plug-free multistage fracturing electric control switch |
| CN115478803A (en) * | 2021-06-16 | 2022-12-16 | 中国石油天然气集团有限公司 | Drilling, grinding and milling tool for water hole grinding shoe and continuous oil pipe |
| CN115613990A (en) * | 2022-12-15 | 2023-01-17 | 中国石油集团川庆钻探工程有限公司 | Full-switching reversible water hole grinding shoe |
| CN118008183A (en) * | 2024-04-09 | 2024-05-10 | 海林新科石油耐磨工具有限责任公司 | Workover shoes and use method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110709580A (en) * | 2017-06-01 | 2020-01-17 | 地球动力学公司 | Electronic time delay device and method |
| CN110709580B (en) * | 2017-06-01 | 2023-02-17 | 地球动力学公司 | Electronic time delay device and method |
| CN110805410A (en) * | 2019-11-18 | 2020-02-18 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Intelligent sliding sleeve of bridge-plug-free multistage fracturing electric control switch |
| CN115478803A (en) * | 2021-06-16 | 2022-12-16 | 中国石油天然气集团有限公司 | Drilling, grinding and milling tool for water hole grinding shoe and continuous oil pipe |
| CN115478803B (en) * | 2021-06-16 | 2024-02-02 | 中国石油天然气集团有限公司 | Drilling and milling tool for water hole grinding shoes and continuous oil pipe |
| CN115613990A (en) * | 2022-12-15 | 2023-01-17 | 中国石油集团川庆钻探工程有限公司 | Full-switching reversible water hole grinding shoe |
| CN115613990B (en) * | 2022-12-15 | 2023-04-07 | 中国石油集团川庆钻探工程有限公司 | Full-switching reversible water hole grinding shoe |
| CN118008183A (en) * | 2024-04-09 | 2024-05-10 | 海林新科石油耐磨工具有限责任公司 | Workover shoes and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106437589B (en) | 2019-04-09 |
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