CN205918380U - To one side straight dual -purpose rat hole pipe - Google Patents
To one side straight dual -purpose rat hole pipe Download PDFInfo
- Publication number
- CN205918380U CN205918380U CN201620773890.4U CN201620773890U CN205918380U CN 205918380 U CN205918380 U CN 205918380U CN 201620773890 U CN201620773890 U CN 201620773890U CN 205918380 U CN205918380 U CN 205918380U
- Authority
- CN
- China
- Prior art keywords
- rat hole
- hole conduit
- hole pipe
- clip
- conduit
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a to one side straight dual -purpose rat hole pipe, including the clamp that the outer circumference in rat hole pipe middle part clamped, the clamp is connected with the base link through incline swash bracket or perpendicular support, and the base link is connected with left back base through the left front base of round pin axle otic placode with the base, the rat hole pipe upwards passes the rat hole of rig floor face, is fixed with the flange at rat hole pipe upper end, and a pair of rolling bar is installed along the diametric(al) to the flange lower surface, and this is sat on a pair of semicircular seat of rig floor face rolling bar, the port welding has eccentric baffle under the rat hole pipe, and eccentric mouthful of eccentric baffle is as an organic whole through elbow bend and hammering union fixed connection. The utility model discloses a device has improved the top and has driven the security that the well drilling connect the thribble, can cushion the impact force of drilling rod below, protect the drill bit screw thread, prolong the life of drill bit, simple structure, installation convenient operation, work safe and reliable.
Description
Technical field
This utility model belongs to oil drilling and extracting equipment technical field, is related to one kind tiltedly directly dual-purpose rat hole conduit.
Background technology
Oil-well rig generally adopts two kinds of drilling modes: drilling well is driven on rotating disk faucet drilling well and top.Rotary drilling is order
Root mode, when making up a joint, kelly bar is tilted at mouse hole, is docked with the drilling rod in rat hole conduit, for ease of make-up, need to adopt
With tilting rat hole conduit.It is to beat thribble mode that drilling well is driven on top, often air hoist and iron driller while drill-well operation
Etc. building up thribble, connect button for convenience, adopt rectilinear rat hole conduit more.At present, top is driven based on drilling well progressively becomes with its high efficiency
Stream, top drive system is complex, and reliability has been greatly improved.
But, when top drive system breaks down, need then adopt rotating disk faucet drilling well, as a kind of beneficial
Supplement, but existing rat hole guide-tube structure is not applied for the tiltedly directly dual-purpose requirement of two kinds of working conditions, when may lead to long
Between stop bore, reduce working performance, improve operating cost.
Utility model content
The purpose of this utility model is to provide one kind tiltedly directly dual-purpose rat hole conduit, solves the rat hole conduit one of prior art
It is impossible to be applied to rotating disk faucet drilling well when denier top drive system breaks down, may lead to stop for a long time to bore, reduce operation effect
The problem of rate.
The technical solution adopted in the utility model is, one kind tiltedly directly dual-purpose rat hole conduit, including cylindrical in the middle part of rat hole conduit
The clip of all clamps, clip passes through tilt stand or vertical support frame is connected with base link, and base link passes through bearing pin ear
Plate is connected with left back pedestal with the left front pedestal of base；Rat hole conduit is upward through the rat hole of drilling floor surface, on rat hole conduit
Termination is fixed with flange, and flange undersurface is diametrically provided with a pair of rolling bar, and this is sitting in a couple half for drilling floor surface to rolling bar
In round seat；Rat hole conduit lower port is welded with eccentric baffle plate, and the eccentric mouth of eccentric baffle plate passes through elbow bend with hammering union admittedly
Surely connect as one.
Tiltedly directly dual-purpose rat hole conduit of the present utility model, is further characterized in that:
The clip axial line of tilt stand tilts certain angle with vertical direction, and the clip axial line of vertical support frame is
Vertical direction.
Under rat hole conduit, intrasegmental part is provided with the buffer board of activity and fixing seat board, and buffer board is consistent with seat board shape, but
Buffer board external diameter is slightly less than seat board, the center of buffer board and seat board and be circumferentially with circle and arc-shaped groove；Buffer board lower surface
Positioning pipe is installed, seat board upper surface is provided with guide pipe, is set with spring between positioning pipe and guide pipe.
The beneficial effects of the utility model are, when rotary drilling makes up a joint, using rat hole conduit tilt mode it is ensured that depositing
The drilling rod being put in rat hole conduit tilts certain angle, is easy to realize quick make-up with kelly bar；When thribble drilling well is driven on top, adopt
The vertical mode of rat hole conduit, it is ensured that going up shackle in vertical plane, is conducive to air hoist, iron driller and auxiliary equipment quick
Set up root, and, buffer the impulsive force that drilling rod is transferred, collect the mud that drilling rod carries.This apparatus structure is simple, installation operation side
Just, rotary drilling can be met simultaneously and the job requirements of two kinds of operating modes of drilling well are driven on top, reduce rig due to driving or rotating disk on top
What fault caused stop bores it is ensured that the high efficient and reliable of drillng operation；Meanwhile, extend the service life of drilling rod, it is right to decrease
The impulsive force of tool joint；Effectively collect drilling rod residual mud, decrease to the harm caused by environment, the mud of collection can weigh
Multiple utilization, reduces the wasting of resources.
Brief description
Fig. 1 is this utility model rat hole conduit in tilt mode left view scheme of installation；
Fig. 2 is this utility model rat hole conduit in vertical pattern left view scheme of installation；
Fig. 3 is this utility model rat hole catheter section structural representation；
Fig. 4 be in Fig. 3 a to partial enlarged drawing；
Fig. 5 be in Fig. 4 c to partial enlarged drawing；
Fig. 6 be in Fig. 3 b to partial enlarged drawing；
Fig. 7 is the notching construction schematic diagram of buffer board in this utility model；
Fig. 8 is the left view structure chart of two kinds of supports of this utility model.
In figure, 1. rat hole conduit, 2. tilt stand, 3. base link, 4. flange, 5. rolling bar, 6. clip, 7. well head,
8. spring, 9. hammering union, 10. vertical support frame, 11. suspension hooks, 12. half round seats, 13. buffer boards, 14. seat boards, 15. positioning pipes,
16. guide pipes, 17. eccentric baffle plates, 18. elbow bends, 19. diplopore ear mount.
Specific embodiment
With reference to the accompanying drawings and detailed description this utility model is described in detail.
With reference to Fig. 1, Fig. 2, structure of the present utility model is that rat hole conduit 1 is located at well head 7 dead ahead, including rat hole conduit 1
The clip 6 of middle part excircle clamp, clip 6 passes through tilt stand 2 or vertical support frame 10 is connected with base link 3, and base is even
Connect frame 3 to be connected with left back pedestal with the left front pedestal of base by bearing pin otic placode；Rat hole conduit 1 is upward through the Mus of drilling floor surface
Hole, is fixed with flange 4 in rat hole conduit 1 upper end, and flange 4 lower surface is diametrically provided with a pair of rolling bar 5, and this is to rolling bar
5 are sitting in a pair half round seats 12 of drilling floor surface；
When rat hole conduit 1 adopts tilt stand 2 fixing, the inclination realizing rat hole conduit 1 is fixed.After dismounting tilt stand 2,
Replace tilt stand 2 with vertical support frame 10, realize the vertical fixation of rat hole conduit 1.Only two kinds of rack forms need to be changed, you can real
The existing different demands to rat hole conduit 1 for the two kinds of drilling conditions of rig.
With reference to Fig. 3, Fig. 4, Fig. 5, Fig. 6, rat hole conduit 1 body is a hollow circular-tube, and rat hole conduit 1 upper end fixedly mounts
There is flange 4, be diametrically symmetrically welded with a pair of rolling bar 5 in flange undersurface, two rolling bars 5 are respectively arranged in a drilling floor surface left side
In a pair half round seats 12 of right both sides, whole rat hole conduit 1 can realize the pendulum that inclines of certain angle around the axial line of rolling bar 5.Method
Blue 4 upper surfaces are provided with suspension hook 11, for lifting by crane rat hole conduit 1.
With reference to Fig. 7,1 time intrasegmental part of rat hole conduit is provided with the buffer board 13 of activity and fixing seat board 14, buffer board 13 and
Seat board 14 shape is consistent, but buffer board 13 external diameter is slightly less than seat board 14, and wherein rat hole conduit isNo
Slit-tube, buffer board 13 external diameter isSeat board 14 external diameter isMonolateral leave 5.5mm gap, prevent bore
When non-centering transferred by bar, buffer board 13 blocks rat hole conduit 1；The center of buffer board 13 and seat board 14 and be circumferentially with circle and arc
Shape is slotted, and is easy to mud and passes through；Buffer board 13 lower surface is provided with positioning pipe 15, and seat board 14 upper surface is provided with guide pipe 16,
It is set with spring 8, buffer board 13 can be transported under the percussion of spring 8 and drilling rod up and down between positioning pipe 15 and guide pipe 16
Dynamic, for buffering drilling rod decentralization impulsive force, protect drilling rod thread, extend the service life of drilling rod, seat board 14 is welded in rat hole and leads
Pipe 1 inwall, bears the impulsive force of drilling rod；The internal diameter of wherein spring 8 is 132mm, and the external diameter of positioning pipe 15 is 133mm, guide pipe
16 external diameter is 127mm, and the external diameter of positioning pipe 15 is more than the internal diameter of spring 8, monolateral leave 0.5mm gap, guide pipe 16 outer
Footpath is less than the internal diameter of spring 8, and monolateral installation and the guiding leaving 2.5mm gap, being easy to spring 8, by spring 8 and positioning during assembling
The root of pipe 15 is fixed it is ensured that spring 8 does not fall out in running；
Rat hole conduit 1 lower port is welded with eccentric baffle plate 17, and the eccentric mouth of eccentric baffle plate 17 passes through elbow bend 18 and hammer
Hit union 9 to be connected to one, need to ensure to hammer the axis horizontal of union 9, and hammer the external port of union 9 and be less than Mus
The gabarit scope of hole conduit 1, prevents whole rat hole conduit 1 clamping stagnation in the rat hole of drilling floor surface.Hammering union 9 external port level is even
The drilling mud fluid that drilling rod carries can be drained into round well, centralized collection is processed, and has both protected environment, save again by connecting to neutral emptying hose
About resource.
With reference to Fig. 8, tilt stand 2 and vertical support frame 10 are tri-angle frame type structure, and one end is provided with two diplopore ears
Seat 19, the other end is provided with clip 6, and clip 6 is two-flap type structure, except for the difference that: clip 6 axial line of tilt stand 2 with perpendicular
Nogata is to the certain angle of inclination, and clip 6 axial line of vertical support frame 10 is vertical direction.When rat hole conduit 1 loads clip 6
Afterwards, using four bolts, clip two lobe is connected as a single entity, realizes the fixation in tilt mode or vertical mode for the rat hole conduit 1.
Claims (3)
1. one kind tiltedly directly dual-purpose rat hole conduit it is characterised in that: include the clip (6) of excircle clamp in the middle part of rat hole conduit (1),
Clip (6) passes through tilt stand (2) or vertical support frame (10) is connected with base link (3), and base link (3) passes through bearing pin
Otic placode is connected with left back pedestal with the left front pedestal of base；Rat hole conduit (1) is upward through the rat hole of drilling floor surface, leads in rat hole
Pipe (1) upper end is fixed with flange (4), and flange (4) lower surface is diametrically provided with a pair of rolling bar (5), and this is to rolling bar (5)
It is sitting on a pair half round seats (12) of drilling floor surface；Rat hole conduit (1) lower port is welded with eccentric baffle plate (17), eccentric baffle plate (17)
Eccentric mouth pass through elbow bend (18) with hammer union (9) be connected to one.
2. according to claim 1 tiltedly directly dual-purpose rat hole conduit it is characterised in that: the clip of described tilt stand (2)
(6) axial line and vertical direction tilt certain angle, and clip (6) axial line of vertical support frame (10) is vertical direction.
3. according to claim 1 tiltedly directly dual-purpose rat hole conduit it is characterised in that: in described rat hole conduit (1) hypomere
Portion is provided with the buffer board (13) of activity and fixing seat board (14), and buffer board (13) is consistent with seat board (14) shape, but buffer board
(13) external diameter is slightly less than seat board (14), the center of buffer board (13) and seat board (14) and be circumferentially with circle and arc-shaped groove；Slow
Punching (13) lower surface is provided with positioning pipe (15), and seat board (14) upper surface is provided with guide pipe (16), positioning pipe (15) and leading
It is set with spring (8) between pipe (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620773890.4U CN205918380U (en) | 2016-07-21 | 2016-07-21 | To one side straight dual -purpose rat hole pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620773890.4U CN205918380U (en) | 2016-07-21 | 2016-07-21 | To one side straight dual -purpose rat hole pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205918380U true CN205918380U (en) | 2017-02-01 |
Family
ID=57872199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620773890.4U Expired - Fee Related CN205918380U (en) | 2016-07-21 | 2016-07-21 | To one side straight dual -purpose rat hole pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205918380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138871B (en) * | 2018-07-31 | 2021-11-30 | 中石化石油工程技术服务有限公司 | Hydraulic clamping and lifting device for rat hole of drilling tool |
-
2016
- 2016-07-21 CN CN201620773890.4U patent/CN205918380U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138871B (en) * | 2018-07-31 | 2021-11-30 | 中石化石油工程技术服务有限公司 | Hydraulic clamping and lifting device for rat hole of drilling tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210107 Address after: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee after: BAOJI OILFIELD MACHINERY Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC national oil and gas drilling equipment Engineering Technology Research Center Co.,Ltd. Address before: 721002 No. 2 Dongfeng Road, Shaanxi, Baoji Patentee before: Baoji Oilfield Machinery Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 Termination date: 20210721 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |