CN206053893U - A kind of multi-functional interior flat dart - Google Patents
A kind of multi-functional interior flat dart Download PDFInfo
- Publication number
- CN206053893U CN206053893U CN201621050118.6U CN201621050118U CN206053893U CN 206053893 U CN206053893 U CN 206053893U CN 201621050118 U CN201621050118 U CN 201621050118U CN 206053893 U CN206053893 U CN 206053893U
- Authority
- CN
- China
- Prior art keywords
- main body
- pawl
- boss
- cavity
- seal groove
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses a kind of multi-functional interior flat dart, including reducing joint, the first main body, the second main body, compaction plug, drag for pawl, drill bit and unfreezing lance；The female thread for being arranged on reducing joint top is connected with drilling rod, is arranged on reducing joint lower internal thread and is connected with the first body top, and the first lower body part is connected with the second body top, and the second lower body part is connected with drill bit.This utility model puies forward the drilling accident that can be processed under various working, can have the function of cleaning bottom of hole, drilling compared with thin cover layer concurrently, can not propose brill unfreezing, save time, efficiency high while process accident drilling tool.
Description
Technical field
This utility model is related to a kind of fisher, more particularly to flat drill tool in the larger diameter such as sleeve pipe, rope coring drill pipe
A kind of multi-functional interior flat dart.
Background technology
Either oil drilling, or geological drilling, inevitably occur in drilling process drilling tool fracture, the burning of bits etc.
Drilling accident, therefore the disposal ability to drilling accident directly affects probing process.The accidents such as sleeve pipe fractures, the wire line coring burning of bits
Process is wasted time and energy, and the conventional useful die nipple of the method for processing such accident is salvaged, and sidetracking avoids accident section, or directly scraps
Drilling, and die nipple is needed first with drill bit process when salvaging has the accident drilling tool of coating, is then transferred die nipple again, is wasted time and energy.
And a kind of multi-functional interior flat dart that this utility model is provided, not only also may be used with the function of salvaging accident drilling tool simultaneously
The situation of a little coating is arranged at process accident drilling tool top.A kind of multi-functional interior flat dart that this utility model is provided exists
The problem under various working can be processed during use, brill number of times is carried by reducing, reach the purpose for reducing the accident treatment time.
The content of the invention
The purpose of this utility model is to provide a kind of multi-functional interior flat dart.
This utility model includes reducing joint, the first main body, the second main body, compaction plug, drags for pawl, drill bit and unfreezing lance；It is different
Drive connector top is provided with female thread, is connected with drilling rod, and reducing joint bottom is provided with female thread, is connected with the first main body, the
The epicoele of one main body is symmetrically arranged with a pair of relief valves, and two grades of boss, the first master are provided between the first main body epicoele and cavity of resorption
Body cavity of resorption is provided with a check valve, and the outside of the first main body cavity of resorption is provided with external screw thread, is connected with the second main body, under the first main body
Chamber is provided with the first seal groove, the first seal groove with the threaded connection place upper position of the second main body and arranges the first sealing ring,
The epicoele of the second main body is provided with compaction plug, and compaction plug upper center is provided with the second seal groove, the second seal groove and arranges the
Two sealing rings；Compaction plug upper end bottom is contacted with holddown spring, compaction plug bottom be circular platform type structure, circular platform type structure with drag for pawl
Inner edge coordinates, and the boss between holddown spring and the second main body upper and lower cavity contacts, and boss is round ring boss, and boss is centrally disposed
There is centre bore, in the middle part of boss, be provided with the 3rd seal groove, in the 3rd seal groove, be provided with the 3rd sealing ring, the second main body cavity of resorption pair
Title is provided with two pairs and drags for pawl groove, drags for pawl groove bottom and is provided with back-moving spring hole, and back-moving spring hole lower end is provided with a round ring boss,
Pawl is dragged for for placing, prevents from dragging for pawl swinging up and down, dragged for pawl inner edge and coordinate with compaction plug bottom, drag for pawl inner edge bottom and be provided with spring
Reset hole, the spring reset hole with the back-moving spring hole for dragging for pawl groove bottom in the same plane, back-moving spring hole and spring reset
Back-moving spring is set in the blind hole that hole is formed, pawl outer rim is dragged for and is cast with hard alloy, cavity wall is provided with interior under the second main body
Screw thread is connected with drill bit, and drill bit is comprehensive carbide drill.
Implementation steps of the present utility model are as follows：
A) by fisher by reducing joint, the first main body, the second main body, drill bit order assembling, after being completed under enter
In hole；
B) transfer to accident drilling tool upper cover layer, spud in by coating；
C) accident drilling tool specified location is reached, high-pressure slurry is passed through from drilling rod makes to drag for pawl 8 and strut clamping drilling tool inwall, opened
Bore revolution cutting drilling tool, it is to be cut after the completion of above carry accident drilling tool again；
If d) fail above carrying accident drilling tool, from drilling rod under enter unfreezing lance, then be passed through high-pressure slurry and withdraw and drag for pawl；
E) c operations are repeated.
The beneficial effects of the utility model：
This utility model not only the function with salvaging accident drilling tool simultaneously also can process accident drilling tool top have and cover a little
The situation of cap rock.The problem under various working can be processed during this utility model, brill number of times is carried by reducing, reached at reduction accident
The purpose of reason time.
Description of the drawings
Sectional view when Fig. 1 is utility model works.
Fig. 2 is the A-A in Fig. 1 to sectional view.
Sectional view when Fig. 3 is this utility model unfreezing.
Fig. 4 is the flat distribution map for dragging for pawl of the present utility model.
In figure：The first main bodys of 1- 1, the second main bodys of 2- 2,3- reducing joints, 4- relief valves, 5- check valves, 6- compaction plugs, 7-
Holddown spring, 8- drag for pawl, 9- drill bits, 10- unfreezing lances, the first sealing rings of 11-, the second sealing rings of 12-, the 3rd sealing rings of 13-.
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, this utility model includes reducing joint 3, the first main body 1, the second main body 2, pressure
It is tight to fill in 6, drag for pawl 8, drill bit 9 and unfreezing lance 10；3 top of reducing joint is provided with female thread, is connected with drilling rod, under reducing joint 3
Portion is provided with female thread, is connected with the first main body 1, and the epicoele of the first main body 1 is symmetrically arranged with a pair of relief valves 4, the first main body 1
Two grades of boss 23 are provided between epicoele and cavity of resorption, 1 cavity of resorption of the first main body is provided with a check valve 5, outside 1 cavity of resorption of the first main body
Portion is provided with external screw thread, is connected with the second main body 2, and 1 cavity of resorption of the first main body is installed with the threaded connection place upper bit of the second main body 2
The first seal groove 14 is equipped with, first sealing ring 11 is set in the first seal groove 14, the epicoele of the second main body 2 is provided with compaction plug 6,
6 upper center of compaction plug is provided with the second seal groove 15, arranges the second sealing ring 12 in the second seal groove 15；6 upper end of compaction plug
Bottom is contacted with holddown spring 7,6 bottom of compaction plug be circular platform type structure 16, circular platform type structure 16 with drag for 8 inner edge of pawl cooperation, pressure
Tight boss 17 between spring 7 and 2 upper and lower cavity of the second main body is contacted, and boss 17 is round ring boss, and boss 17 is provided centrally with
Centre bore, is provided with the 3rd seal groove 18, is provided with the 3rd sealing ring 13, the second main body in the 3rd seal groove 18 in the middle part of boss 17
2 cavity of resorptions are symmetrically provided with two pairs and drag for pawl groove 19, drag for 19 bottom of pawl groove and are provided with back-moving spring hole 20, and 20 lower end of back-moving spring hole is arranged
There is a round ring boss 21, pawl 8 dragged for for placing, prevent from dragging for pawl 8 swinging up and down, drag for 8 inner edge of pawl and coordinate with 6 bottom of compaction plug,
Drag for 8 inner edge bottom of pawl and be provided with spring reset hole 22, the spring reset hole 22 is existed with the back-moving spring hole 20 for dragging for 19 bottom of pawl groove
In same plane, back-moving spring 23 is set in the blind hole that back-moving spring hole 20 and spring reset hole 22 are formed, drags for the casting of 8 outer rim of pawl
Hard alloy is made, the second cavity wall of main body 2 times is provided with female thread and is connected with drill bit 9, drill bit 9 is comprehensive carbide drill
Head.
When in use, the female thread for being arranged on 3 top of reducing joint is connected this utility model with drilling rod, is arranged on reducing and is connect
3 lower internal threads are connected with 1 top of the first main body, and 1 bottom of the first main body is connected with 2 top of the second main body, under the second main body 2
Portion is connected with drill bit 9.Fisher is transferred from aperture, high-pressure slurry is passed through and is made to drag for pawl 8 and strut cleaning bottom of hole, transferred to accident drilling tool top
During covering, from drilling rod under enter unfreezing lance 10 be passed through high-pressure slurry withdraw drag for pawl 8, then turn round again through blanket layer reach accident
Drilling tool position, after in place, is passed through high-pressure slurry again in drilling rod, high-pressure slurry promotes descending, the descending compaction plug of compaction plug 6
6 will radially drag for pawl 8 releases clamping accident drilling tool inwall, then above carries drilling rod, drilling tool of salvaging that accidents happened.If successfully can not salvage
Accident drilling tool, then turn on drilling rod, from drilling rod inwall decentralization unfreezing lance 10, then passes to high-pressure slurry, pushes away 10 spearhead of unfreezing lance
5 pressure release of opening one-way valve, fishes for unfreezing lance 10 with spearhead is dragged in decentralization wire line coring after pressure release success.Again fisher is transferred
To accident section, high-pressure slurry is passed through from drilling rod will drag for pawl 8 and release, clamping accident drilling tool inwall then turns round fisher, profit
With the hard alloy cutting accident drilling tool dragged on the outside of pawl 8, after the completion of cutting, accident drilling tool can be above carried.
This utility model not only the function with salvaging accident drilling tool simultaneously also can process accident drilling tool top have and cover a little
The situation of cap rock.The problem under various working can be processed during this utility model, brill number of times is carried by reducing, reached at reduction accident
The purpose of reason time.
Claims (2)
1. a kind of multi-functional interior flat dart, it is characterised in that：Including reducing joint (3), the first main body (1), the second master
Body (2), compaction plug (6), drag for pawl (8), drill bit (9) and unfreezing lance (10)；Reducing joint (3) top is provided with female thread, with brill
Bar connects, and reducing joint (3) bottom is provided with female thread, is connected with the first main body (1), and the epicoele of the first main body (1) symmetrically sets
A pair of relief valves (4) are equipped with, the first main body (1) is provided with two grades of boss (23), the first main body (1) cavity of resorption between epicoele and cavity of resorption
A check valve (5) is provided with, the outside of the first main body (1) cavity of resorption is provided with external screw thread, is connected with the second main body (2), the first master
The threaded connection place upper position of body (1) cavity of resorption and the second main body (2) is provided with the first seal groove (14), the first seal groove (14)
The first sealing ring of interior setting (11), the epicoele of the second main body (2) are provided with compaction plug (6), and compaction plug (6) upper center is provided with
Second sealing ring (12) is set in the second seal groove (15), the second seal groove (15)；Compaction plug (6) upper end bottom and holddown spring
7 contact, compaction plug (6) bottom be circular platform type structure (16), circular platform type structure (16) with drag for pawl (8) inner edge cooperation, holddown spring 7
Contact with the boss (17) between the second main body (2) upper and lower cavity, boss (17) is round ring boss, boss (17) is provided centrally with
Centre bore, is provided with the middle part of boss (17) in the 3rd seal groove (18), the 3rd seal groove (18) and is provided with the 3rd sealing ring (13),
Second main body (2) cavity of resorption is symmetrically provided with two pairs and drags for pawl groove (19), drags for pawl groove (19) bottom and is provided with back-moving spring hole (20), resets
Spring eye (20) lower end is provided with a round ring boss (21), drags for pawl (8) for placing, and prevents from dragging for pawl (8) swinging up and down, drags for pawl
(8) inner edge is coordinated with compaction plug (6) bottom, is dragged for pawl (8) inner edge bottom and is provided with spring reset hole (22), the spring reset hole
(22) with the back-moving spring hole (20) for dragging for pawl groove (19) bottom in the same plane, back-moving spring hole (20) and spring reset hole
(22) back-moving spring (23) is set in the blind hole for being formed, and under the second main body (2), cavity wall is provided with female thread with drill bit (9) even
Connect.
2. the multi-functional interior flat dart of one kind according to claim 1, it is characterised in that：Described drags for pawl (8) outward
Edge is cast with hard alloy；Described drill bit (9) is comprehensive carbide drill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621050118.6U CN206053893U (en) | 2016-09-13 | 2016-09-13 | A kind of multi-functional interior flat dart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621050118.6U CN206053893U (en) | 2016-09-13 | 2016-09-13 | A kind of multi-functional interior flat dart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206053893U true CN206053893U (en) | 2017-03-29 |
Family
ID=58370215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621050118.6U Withdrawn - After Issue CN206053893U (en) | 2016-09-13 | 2016-09-13 | A kind of multi-functional interior flat dart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206053893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106223893A (en) * | 2016-09-13 | 2016-12-14 | 吉林大学 | A kind of multi-functional interior flat dart |
-
2016
- 2016-09-13 CN CN201621050118.6U patent/CN206053893U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106223893A (en) * | 2016-09-13 | 2016-12-14 | 吉林大学 | A kind of multi-functional interior flat dart |
| CN106223893B (en) * | 2016-09-13 | 2018-08-21 | 吉林大学 | A kind of multi-functional interior flat dart |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170329 Effective date of abandoning: 20180821 |
|
| AV01 | Patent right actively abandoned |