CN205805468U - One can interior adjustable type coring tool - Google Patents
One can interior adjustable type coring tool Download PDFInfo
- Publication number
- CN205805468U CN205805468U CN201620573378.5U CN201620573378U CN205805468U CN 205805468 U CN205805468 U CN 205805468U CN 201620573378 U CN201620573378 U CN 201620573378U CN 205805468 U CN205805468 U CN 205805468U
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- CN
- China
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- safety joint
- adjustable type
- coring tool
- type coring
- key ring
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Abstract
The utility model discloses one can in adjustable type coring tool, including safety joint, connecting cylinder, urceolus of coring, drill bit, rotation assembly, coring inner drum and core grabber assembly etc., the regulation set that the connection of described safety joint inner surface has lower portion in described urceolus of coring and lower end is connected with described rotation assembly, described regulation set upper side connects, by spline, the key ring that restricted described regulation set rotates, described key ring upper end be provided with fix with described safety joint be connected, locking cap that limit key ring moves axially.This utility model regulates core grabber seat bottom face and the purpose of the axial distance of shoulder in drill bit in the case of can realizing not dismantling rotation assembly, save the activity duration, reduce task difficulty, improve working performance.
Description
Technical field
This utility model relates to oil and gas well drilling coring tool, can interior adjustable type coring tool particularly to one.
Background technology
In current oil field development, along with increasing that deep-well, Holes of Complicated Wells drilling are developed, the various functions to drilling tool
And use have higher requirement.In order to understand the geological condition on stratum, the most all sample can be obtained by coring.For
From the point of view of current normal core-extracting tool, typically required before going into the well regulation core grabber seat bottom face and drill bit in shoulder longitudinal direction between
Gap, if gap is improper when assembling, it is necessary to dismantle rotation assembly, loosened by clamp nut, to regulate the distance in gap, adjusts
The process of internode gap more wastes time and energy, and affects efficiency of coring.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, it is provided that one can in adjustable type coring tool, should
Instrument uses novel safe adjustment structure, regulates in core grabber seat bottom face and drill bit in the case of need not laying down rotation assembly
The axial distance of shoulder.
The technical scheme is that one of this utility model can in adjustable type coring tool, including the peace being sequentially connected with
Full joint, connecting cylinder, core urceolus and drill bit, described in core and be provided with upper and lower centralizer on urceolus, described in core and set in urceolus
It is equipped with rotation assembly, coring inner drum and the core grabber assembly being sequentially connected with, suspension set that described rotation assembly includes being sequentially connected with,
Thrust bearing mechanism and rotary sleeve, and it is arranged on the ball seat in described rotary sleeve lower end, described safety joint inner surface connects
Having lower portion in described urceolus of coring and regulation set that lower end is connected with described rotation assembly, described regulation puts
Holding and connect, by spline, the key ring that restricted described regulation set rotates, described key ring upper end is provided with solid with described safety joint
The locking cap that fixed connection, limit key ring move axially.
Described safety joint is connected by drag ring and described connecting cylinder are fixing, and described drag ring is solid by lock dog and spring
It is scheduled in described safety joint.
Described safety joint inner surface is provided with screw thread, and runs through a keyway of described screw thread.
The boss matched with the keyway on table in described safety joint it is provided with on one of them key of described key ring.
Described locking cap outer surface is connected by screw thread and described safety joint are fixing.
The upper surface of described locking cap is provided with the spline for coordinating external adjusting device to use.
Described safety joint end is threaded connection limited location set, and described stop collar inner surface passes through O with described
Regulation set is tightly connected.
It is provided with the cannelure for coordinating external adjusting device to use on described locking cap and key ring inner surface.
It is provided with on described rotary sleeve lower surface and prevents ball seat from falling the elastic washer of well.
Described thrust bearing device front end is provided with baffle ring.
The beneficial effects of the utility model are:
1, this utility model is provided with safe governor motion, can reduce the operation of dismounting rotation assembly, it is achieved do not dismantle tune
Joint core grabber seat bottom face and the purpose of the axial distance of shoulder in drill bit, regulate convenient, save the activity duration, reduce work
Industry difficulty, improves working performance；
2, this utility model stop collar and regulation set between seal by O RunddichtringO, prevent drilling fluid between circulation,
Efficiently reduce the liquid erosion to regulation set.
Accompanying drawing explanation
Fig. 1: this utility model structural representation；
Fig. 2: this utility model A partial enlargement structural representation；
Fig. 3: this utility model B partial enlargement structural representation；
Fig. 4: external adjusting device lower end partial structurtes schematic diagram.
Accompanying drawing marks: 1, safety joint；2, lock dog；3, spring；4, drag ring；5, O；6, connecting cylinder；7, O；
8, stop collar；9, upper centralizer；10, baffle ring；11, thrust bearing；12, bearing box；13, rotary sleeve；14, ball seat；15, elastic gear
Circle；16, O；17, coring inner drum；18, core urceolus；19, lower centralizer；20, core grabber adapter sleeve；21, core grabber card
Hoop；22, drill bit；23, set is hung；24, regulation set；25, key ring；26, locking cap；27, spline；28, spline；29, annular
Groove；30, cannelure；31, O-ring groove；32, the decorative pearl on top of an official cap；33, mandrel；34, spline.
Detailed description of the invention
The utility model will be further described below in conjunction with the accompanying drawings.
As shown in accompanying drawing 1 to 3, one can in adjustable type coring tool, including the safety joint 1 being sequentially connected with, connecting cylinder
6, coring urceolus 18 and drill bit 22, wherein, described safety joint 1 is fixed with described connecting cylinder 6 by drag ring 4 and is connected, described
Drag ring 4 is fixed in described safety joint 1 by lock dog 2 and spring 3, and, between described safety joint 1 and connecting cylinder 6
It is provided with O 5,7 to be tightly connected；Upper and lower centralizer 9,19 it is provided with on described urceolus 18 of coring.
Described safety joint 1 inner surface is provided with screw thread, and runs through a keyway of described screw thread, and solid by screw thread
Determine connection have regulation set 24, described regulation set 24 upper surfaces be provided with for external adjusting device with the use of spline
28, and, described regulation set 24 has key ring 25 by the connection of described spline 27, and one of them key of described key ring 25 is arranged
There is the boss matched with the keyway on table in described safety joint 1, when the key of key ring 25 is inserted into the flower of described regulation set 24
While on keyway 27, in the boss described safety joint 1 of insertion of described key ring 25 in the keyway on table, prevent described regulation set
24 and safety joint 1 relatively rotate；Described key ring 25 upper end is provided with the locking cap 26 preventing key ring 25 from moving axially, institute
State locking cap 26 outer surface to be connected by screw thread is fixing with described safety joint 1, and, the upper surface of described locking cap 26 is arranged
There is the spline 27 for coordinating external adjusting device to use.Wherein, described locking cap 26 and key ring 25 inner surface are respectively provided with
There is the cannelure 29,30 for coordinating external adjusting device to use.
Described safety joint 1 end is threaded connection limited location set 8, plays work that is spacing and that prevent regulation set 24 from falling well
With；Described stop collar 8 lower inner surface is provided with O-ring groove 31, is provided with O and makes described stop collar 8 in described O-ring groove 31
It is tightly connected with regulation set 24.
Described regulation set 24 lower ends are connected with rotation assembly, coring inner drum 17 and core grabber assembly successively in turn.Described rock
Heart claw assembly includes the core grabber adapter sleeve 20 being connected with described coring inner drum lower end, and is fixed on by core grabber clip 21
Core grabber on described core grabber adapter sleeve 20.Described rotation assembly includes suspension set 23, the thrust bearing mechanism being sequentially connected with
With rotary sleeve 13, and being arranged on the ball seat 14 in described rotary sleeve 13 lower end, wherein, described thrust bearing mechanism includes thrust
Bearing 11 and bearing box 12, described thrust bearing 11 front end is provided with baffle ring 10, and described bearing box 12 hangs set with described respectively
23 are connected with rotary sleeve 13；It is provided with on described rotary sleeve 13 lower surface and prevents ball seat 14 from falling the elastic washer of well；Described ball
It is provided with O 16 between seat 14 and rotary sleeve 13 to be tightly connected.
In this utility model, described safety joint 1, drag ring 4, lock dog 2, spring 3, O 5, O 7, connecting cylinder 6,
Locking cap 26, key ring 25, regulation set 24, stop collar 8 form safe governor motion of the present utility model；Described suspension set 23, push away
Power bearing 11, bearing box 12, baffle ring 10, rotary sleeve 13, ball seat 14, O 16, circlip 15 form rotation of the present utility model
Turn assembly；Described coring inner drum 17, core grabber assembly, urceolus 18 of coring, upper centralizer 9, lower centralizer 19, drill bit 22 constitute
The mechanism that cores of the present utility model.
After well head connects this utility model coring tool, measure core grabber seat bottom face and shoulder axial in drill bit 22
Gap, if apart from improper, is sitting in well head by this utility model coring tool, under enter said external adjusting means, such as Fig. 4 institute
Show, the spline 34 that adjusting means bottom is arranged is inserted in the spline 27 of described locking cap 26, loosened, then will regulation
The decorative pearl on top of an official cap 32 in device is ejected by mandrel 33, is stuck in the cannelure 29 of described locking cap 26, is drawn off；Secondly, regulation
The decorative pearl on top of an official cap 32 of device blocks the cannelure 30 in described key ring 25 again, is taken out by key ring 25；Then, by the spline 34 of adjusting means
Inserting in the spline 28 of described regulation set 24, regulation regulation set 24 is allowed to move axially, thus drives regulation set 24 lower ends
Rotation assembly moves axially, to reach to regulate core grabber seat bottom face and the purpose of the axial gap of shoulder in drill bit 22.Regulate
Behind gap, utilize adjusting means to make key ring 25 insert in regulation set 24, limit regulation set 24 rotation, lock adjustment gap；Utilize
Adjusting means loads locking cap 26, carries out spacing to key ring 25, prevents key ring 25 from moving axially.Owing to being not required to when regulating gap
Rotation assembly to be dismantled, reduces time and the workload of field operation personnel of coring operation, has obvious superiority.
Claims (10)
1. can in an adjustable type coring tool, including the safety joint being sequentially connected with, connecting cylinder, core urceolus and drill bit, institute
State and on urceolus of coring, be provided with upper and lower centralizer, described in core and be provided with rotation assembly, the coring inner drum being sequentially connected with in urceolus
With core grabber assembly, described rotation assembly includes suspension set, thrust bearing mechanism and the rotary sleeve being sequentially connected with, and is arranged on
Ball seat in described rotary sleeve lower end, it is characterised in that described safety joint inner surface connects has lower portion to core in described
The regulation set that in urceolus and lower end is connected with described rotation assembly, described regulation set upper side connects limited by spline
Make the key ring that described regulation set rotates, described key ring upper end be provided with fixing with described safety joint be connected, limit key annulate shaft to
The locking cap of movement.
The most according to claim 1 can in adjustable type coring tool, it is characterised in that drag ring is passed through in described safety joint
Fixing with described connecting cylinder and be connected, described drag ring is fixed in described safety joint by lock dog and spring.
The most according to claim 1 can in adjustable type coring tool, it is characterised in that described safety joint inner surface arrange
There is screw thread, and run through a keyway of described screw thread.
4. according to described in claim 1 or 3 can in adjustable type coring tool, it is characterised in that one of them of described key ring
The boss matched with the keyway on table in described safety joint it is provided with on key.
5. according to described in claim 1 or 3 can in adjustable type coring tool, it is characterised in that described locking cap outer surface lead to
Cross that screw thread and described safety joint are fixing to be connected.
The most according to claim 1 can in adjustable type coring tool, it is characterised in that the upper surface of described locking cap is arranged
There is the spline for coordinating external adjusting device to use.
The most according to claim 1 can in adjustable type coring tool, it is characterised in that described safety joint end passes through spiral shell
Stricture of vagina connects limited location set, and described stop collar inner surface is tightly connected with described regulation set by O.
The most according to claim 1 can in adjustable type coring tool, it is characterised in that described locking cap and key ring inner surface
On be provided with the cannelure for coordinating external adjusting device to use.
The most according to claim 1 can in adjustable type coring tool, it is characterised in that on described rotary sleeve lower surface arrange
Have and prevent ball seat from falling the elastic washer of well.
The most according to claim 1 can in adjustable type coring tool, it is characterised in that described thrust bearing device front end
It is provided with baffle ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620573378.5U CN205805468U (en) | 2016-06-14 | 2016-06-14 | One can interior adjustable type coring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620573378.5U CN205805468U (en) | 2016-06-14 | 2016-06-14 | One can interior adjustable type coring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205805468U true CN205805468U (en) | 2016-12-14 |
Family
ID=58141977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620573378.5U Active CN205805468U (en) | 2016-06-14 | 2016-06-14 | One can interior adjustable type coring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205805468U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114000843A (en) * | 2021-10-19 | 2022-02-01 | 中国海洋石油集团有限公司 | Coring tool suitable for ultra-high temperature high pressure well drilling |
-
2016
- 2016-06-14 CN CN201620573378.5U patent/CN205805468U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114000843A (en) * | 2021-10-19 | 2022-02-01 | 中国海洋石油集团有限公司 | Coring tool suitable for ultra-high temperature high pressure well drilling |
| CN114000843B (en) * | 2021-10-19 | 2024-02-23 | 中国海洋石油集团有限公司 | Coring tool suitable for well drilling of super temperature high pressure well |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |