CN207436979U - For the protective device of protection sleeve pipe window opening tool and casing sidetracking system - Google Patents
For the protective device of protection sleeve pipe window opening tool and casing sidetracking system Download PDFInfo
- Publication number
- CN207436979U CN207436979U CN201721311445.7U CN201721311445U CN207436979U CN 207436979 U CN207436979 U CN 207436979U CN 201721311445 U CN201721311445 U CN 201721311445U CN 207436979 U CN207436979 U CN 207436979U
- Authority
- CN
- China
- Prior art keywords
- protection
- shear pin
- sleeve pipe
- protective device
- window opening
- 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.)
- Active
Links
Abstract
The utility model embodiment discloses a kind of for the protective device of protection sleeve pipe window opening tool and casing sidetracking system, and wherein protective device includes：Protection mechanism, the protection mechanism extend longitudinally；Bindiny mechanism, for being connected with screw motor, the lower end of the bindiny mechanism is used to be connected with described sleeve pipe window opening tool for the upper end of the bindiny mechanism；The bindiny mechanism can be connected with the protection mechanism by shear pin, and can the shear pin fracture after relatively described protection mechanism it is vertically moving.The protection mechanism includes multiple protection cylinders vertically arranged, and can be connected between at least two adjacent protection cylinders by shear pin, and can be relatively moved after shear pin fracture.The utility model is used for the protective device of protection sleeve pipe window opening tool, will not be bent when during going into the well by the universal joint flexible axle in protection mechanism protection mechanism, and universal joint flexible axle is avoided to meet card impact and causes to be broken off.
Description
Technical field
The utility model is related to oil well technical field of operation, open a window in particular to one kind for protection sleeve pipe
The protective device of instrument and casing sidetracking system.
Background technology
, it is necessary to carry out casing sidetracking operation in radial direction well technology.The common mode of casing sidetracking is using screw rod horse
It reaches, the drilling tool of universal joint flexible axle and mechanical drill composition crosses steering gear bend radial bore.The drilling tool is bored by continuous pipe tripping in
Head and the diverted device bend sleeve pipe windowing station of universal joint flexible axle, ground pumps power fluid and drives screw motor through continuous pipe
Rotary mechanical drill bit completes cased bore-bole windowing.
It is disturbed when the flexible axle being made of universal joint is gone into the well by shaft structure and subsurface environment, particularly in big hole deviation section, oil
The rich poly- section of grease in pipe easily bends under the effects that swing, friction, card resistance and fractures, causes drill bit case accident.Once
Drill bit break it is de-, fall into steering gear bend can not salvage, it is necessary to rise a whole set of oil pipe work string, remove junk to ground and examine
Tripping in again, causes operation construction period to be delayed after repairing.To avoid above-mentioned accident, it is necessary to set universal joint flexible axle protection mechanism.
Utility model content
A kind of protective device and casing sidetracking for protection sleeve pipe window opening tool is provided in the utility model embodiment
System can shield during universal joint flexible axle is gone into the well, and can be transferred and connected by ground when closing on operating position
Continuous management and control underground mechanism action positions after releasing protection and enters working condition.
To achieve the above object, the utility model provides a kind of protective device for protection sleeve pipe window opening tool, bag
It includes：
Protection mechanism, the protection mechanism extend longitudinally；
Bindiny mechanism, for being connected with screw motor, the lower end of the bindiny mechanism is used for for the upper end of the bindiny mechanism
It is connected with described sleeve pipe window opening tool；The bindiny mechanism can be connected with the protection mechanism by shear pin, and can be in institute
Relatively described protection mechanism is vertically moving after stating shear pin fracture.
Preferably, when the bindiny mechanism is connected with the protection mechanism by shear pin, described sleeve pipe windowing work
Tool is located in the protection mechanism.
Preferably, the protection mechanism includes multiple protection cylinders vertically arranged, at least two adjacent protections
It can be connected, and can relatively moved after shear pin fracture by shear pin between cylinder.
Preferably, the maximum shearing resistance of multiple shear pins becomes larger from bottom to top.
Preferably, the bindiny mechanism includes top connection and the connecting rod that is fixedly connected with the top connection, it is described on connect
Head has the box thread being connected with tubing string, and the lower end of the connecting rod is connected with described sleeve pipe window opening tool, the connection
The lateral wall of the lower part of bar can be connected by shear pin with the protective device.
Disclosed herein as well is a kind of casing sidetracking system, including：
Screw motor；
Tool for milling window in casing, described sleeve pipe window opening tool include universal joint flexible axle；
Protective device, the protective device include：
Protection mechanism, the protection mechanism extend longitudinally；
Bindiny mechanism, the upper end of the bindiny mechanism are connected with the screw motor, the lower end of the bindiny mechanism and institute
State the universal joint flexible axle connection of tool for milling window in casing；The bindiny mechanism can be connected with the protection mechanism by shear pin
Connect, and can the shear pin fracture after relatively described protection mechanism it is vertically moving；
When the bindiny mechanism is connected with the protection mechanism, the universal joint flexible axle is located in the protection mechanism.
Preferably, described sleeve pipe window opening tool further includes drill bit, in the bindiny mechanism with the protection mechanism by cutting
When cutting pin connection, the drill bit is located in the protection mechanism.
Preferably, the protection mechanism includes multiple protection cylinders vertically arranged, at least two adjacent protections
It can be connected, and can relatively moved after shear pin fracture by shear pin between cylinder.
Preferably, the maximum shearing resistance of multiple shear pins becomes larger from bottom to top.
Preferably, the bindiny mechanism includes top connection and the connecting rod that is fixedly connected with the top connection, it is described on connect
Head has the box thread for being used for being connected with screw motor by tubing string, and the lower end of the connecting rod connects with the universal joint flexible axle
It connects, the lateral wall of the lower part of the connecting rod can be connected by shear pin with the protective device.
The embodiment of the present application using the above structure, has the following advantages：
(1) the utility model is used for the protective device of protection sleeve pipe window opening tool, passes through protection mechanism protection mechanism
Interior universal joint flexible axle will not be bent when during going into the well, and universal joint flexible axle is avoided to meet card impact and causes to be broken off.
(2) the utility model is used for the protective device of protection sleeve pipe window opening tool, can be by telescopic protection mechanism
When drilling tool closes on operating position, end cap is supported in steering gear entrance, and continuous pipe is transferred by ground, by tubing string weight,
It cuts pin successively from bottom to up, protection mechanism is made to shrink overlapping, internal connecting rod push universal joint flexible axle and drill bit are worn
Steering gear bend is crossed, reaches operating position.In cased bore-bole windowing-process, the casing of outer layer will not cause universal joint flexible axle
Interference.
(3) when cased bore-bole opens a window completion trip-out, upper casing, lower casing extend under gravity and frictional resistance operation,
Recover the protection to universal joint flexible axle.
Description of the drawings
Task of explanation is only used for attached drawing described here, and is not intended in any way limit disclosed in the utility model
Scope.In addition, shape and proportional sizes of each component in figure etc. are only schematical, the reason to the utility model is used to help
Solution is not the specific shape and proportional sizes for limiting each component of the utility model.Those skilled in the art is new in this practicality
Under the introduction of type, various possible shapes and proportional sizes can be selected to implement the utility model as the case may be.
Fig. 1 is the original state schematic diagram of the casing sidetracking system in the embodiment of the present application；
Fig. 2 a are placed on the schematic diagram of steering gear for the casing sidetracking system in the embodiment of the present application；
Fig. 2 b are the 4 post-rift schematic diagram of shear pin during the casing sidetracking system in the embodiment of the present application is placed；
Fig. 2 c are the 6 post-rift schematic diagram of shear pin during the casing sidetracking system in the embodiment of the present application is placed.
Specific embodiment
With reference to the description of attached drawing and specific embodiment of the present invention, the utility model can be clearly understood
Details.But specific embodiment of the present utility model described here, it is only used for explaining the purpose of this utility model, without
It can be understood as being the limitation to the utility model in any way.Under the introduction of the utility model, technical staff is contemplated that
Arbitrary possible deformation based on the utility model, these are regarded as belonging to the scope of the utility model.
As shown in Figure 1, this application discloses a kind of protective device 300 for protection sleeve pipe window opening tool, including protection
Mechanism 100 and bindiny mechanism 200.
Specifically, the bindiny mechanism 200 includes top connection 1 and connecting rod 3.The lower part of the top connection 1 passes through tightening
Screw 2 is fixed with the connecting rod 3.1 upper end of top connection has oil pipe box thread, can be connected with top working string, thus with
Screw motor connects.The inner surface of the lower end of top connection 1 has box thread, and outer surface has set screw hole.Connecting rod 3 it is upper
End outer surface have adapt to the top connection 1 box thread male thread so that top connection 1 threadedly with connecting rod
3 connections.Also, the lower end of connecting rod 3 offers the shear pin nail hole 3-1 being connected with protection mechanism 100.Under connecting rod 3
End is provided with the male thread that can be connected with tool for milling window in casing.Holding screw 2 is mounted in set screw hole, to top connection 1
It is threadedly coupled between connecting rod 3 and plays anti-loose effect.
In the present embodiment, the bindiny mechanism 200 includes upper casing 5 and lower casing 7.Above and below the upper casing 5
Both ends are respectively provided with shear pin nail hole 5-1 and shear pin nail hole 5-2.The shear pin nail hole 5-1 can be with the shear pin nail hole
3-1 adaptation alignment, so as to be inserted into for shear pin 4.
The upper end of the lower casing 7 has shear pin nail hole 7-1.The shear pin nail hole 7-1 can be with the shear pin
Hole 5-2 adaptation alignment, so as to be inserted into for shear pin 6.The lower end of the lower casing 7 is threadedly connected with end cap 8.
End cap 8 limits the stroke of the relatively upper slip of casing 5 of lower casing 7 by interior step, avoids casing 5 from lower casing
Depart from 7.
As shown in Figure 1, the utility model device transfers to shaft bottom as protective device 300 together with tool for milling window in casing.
In decentralization process, universal joint flexible axle in upper casing 5, lower casing 7, influences always from grease in pit shaft.Connecting rod 3,
Upper casing 5,7 place of being sequentially connected of lower casing are equipped with shear pin 4 and shear pin 6, prevent that cunning is led on casing 5 and lower casing 7
It causes universal joint flexible axle 9 exposed and loses protective action.
In the present embodiment, the maximum shearing resistance of shear pin 4 is more than the maximum shearing resistance of shear pin 6.
As shown in Figure 2 a, when the end cap 8 of the utility model device is transferred to steering gear position, lower end enters with steering gear
Mouth contact forms lower end support.As continuous tubing string continues to transfer, the contact that tubing string gravity applies gradually increases, and reaches
Shear pin 6 is cut during the limiting pressure of setting, drill bit 400 and universal joint flexible axle 9 be overlapped with upper casing 5 are slided on lower casing 7
Part enters steering gear track as shown in Figure 2 b.Continue to transfer supreme 5 lower face of casing contact, the 8 inside limiting stand of end cap of tubing string
Rank, the contact that tubing string gravity applies gradually increase again, continue to cut shear pin 4, lower casing 7 and upper casing 5 combine
Body is be overlapped with connecting rod 3, and drill bit 400 and universal joint flexible axle 9 continue to stretch into steering gear bend, until drill bit 400 reaches working position
As shown in Figure 2 c.After the completion of casing sidetracking operation, when above carrying recycling instrument, gravity and frictional force effect under, lower casing 7, on
Casing 5 moves down stretching, extension successively with respect to connecting rod 3, until step is hung in /V, protects drill bit 400 and universal joint flexible axle 9 again, directly
It rises to ground to drilling tool.
Described above is the process of the utility model unit protection tool for milling window in casing operation, can according to operation needs,
Shear screw 4, the adjustment of the Shear power of shear screw 6 are become larger or become smaller, is made with meeting the sliding decentralization opened on casing up and down
Firmly and up and down casing open order.
Of course, in other optional embodiments, according to actual needs, the bindiny mechanism 200 can include one
A, three or other quantity protection cylinder.
This application discloses a kind of casing sidetracking system, including：Screw motor；Tool for milling window in casing, described sleeve pipe windowing
Instrument includes universal joint flexible axle 9；Protective device 300, the protective device 300 include：Protection mechanism 100, the protection mechanism
100 extend longitudinally；Bindiny mechanism 200, the upper end of the bindiny mechanism 200 are connected with the screw motor, the connection machine
The lower end of structure 200 is connected with the universal joint flexible axle 9 of described sleeve pipe window opening tool；The bindiny mechanism 200 can be with the guarantor
Shield mechanism 100 is connected by shear pin, and can after shear pin fracture relatively described protection mechanism 100 along vertical side
To movement；When the bindiny mechanism 200 is connected with the protection mechanism 100, the universal joint flexible axle 9 is located at the protection machine
In structure 100.
Casing sidetracking system in the application is referred to be described above, and is not repeated herein.
Each embodiment in this specification is described by the way of progressive, the highlights of each of the examples are with
The difference of other embodiment, just to refer each other for identical similar part between each embodiment.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement according to this, can not the scope of protection of the utility model be limited with this.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it
It is interior.
Claims (10)
1. a kind of protective device for protection sleeve pipe window opening tool, which is characterized in that including：
Protection mechanism, the protection mechanism extend longitudinally；
Bindiny mechanism, for being connected with screw motor, the lower end of the bindiny mechanism is used for and institute for the upper end of the bindiny mechanism
State tool for milling window in casing connection；The bindiny mechanism can be connected with the protection mechanism by shear pin, and can be cut described
Relatively described protection mechanism is vertically moving after cutting pin fracture.
2. the protective device according to claim 1 for protection sleeve pipe window opening tool, which is characterized in that in the connection
When mechanism is connected with the protection mechanism by shear pin, described sleeve pipe window opening tool is located in the protection mechanism.
3. the protective device according to claim 1 for protection sleeve pipe window opening tool, which is characterized in that the protection machine
Structure includes multiple protection cylinders vertically arranged, and can be connected between at least two adjacent protection cylinders by shear pin,
And it can be relatively moved after shear pin fracture.
4. the protective device according to claim 3 for protection sleeve pipe window opening tool, which is characterized in that cut described in multiple
The maximum shearing resistance for cutting pin becomes larger from bottom to top.
5. the protective device according to claim 1 for protection sleeve pipe window opening tool, which is characterized in that the connection machine
Structure includes top connection and the connecting rod being fixedly connected with the top connection, and the top connection has the female spiral shell being connected with tubing string
Line, the lower end of the connecting rod are connected with described sleeve pipe window opening tool, and the lateral wall of the lower part of the connecting rod can pass through shearing
Pin is connected with the protective device.
6. a kind of casing sidetracking system, which is characterized in that including：
Screw motor；
Tool for milling window in casing, described sleeve pipe window opening tool include universal joint flexible axle；
Protective device, the protective device include：
Protection mechanism, the protection mechanism extend longitudinally；
Bindiny mechanism, the upper end of the bindiny mechanism are connected with the screw motor, the lower end of the bindiny mechanism and the set
The universal joint flexible axle connection of pipe window opening tool；The bindiny mechanism can be connected with the protection mechanism by shear pin,
And can the shear pin fracture after relatively described protection mechanism it is vertically moving；
When the bindiny mechanism is connected with the protection mechanism, the universal joint flexible axle is located in the protection mechanism.
7. casing sidetracking system according to claim 6, which is characterized in that described sleeve pipe window opening tool further includes drill bit,
When the bindiny mechanism is connected with the protection mechanism by shear pin, the drill bit is located in the protection mechanism.
8. casing sidetracking system according to claim 6, which is characterized in that the protection mechanism includes multiple along vertical side
To the protection cylinder of arrangement, can be connected between at least two adjacent protection cylinders by shear pin, and can be in the shear pin
It is relatively moved after fracture.
9. casing sidetracking system according to claim 6, which is characterized in that the maximum shearing resistance of multiple shear pins
It becomes larger from bottom to top.
10. casing sidetracking system according to claim 6, which is characterized in that the bindiny mechanism include top connection and with
The connecting rod that the top connection is fixedly connected, the top connection have the box thread for being used for being connected with screw motor by tubing string,
The lower end of the connecting rod is connected with the universal joint flexible axle, the lateral wall of the lower part of the connecting rod can by shear pin with
The protective device connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721311445.7U CN207436979U (en) | 2017-10-11 | 2017-10-11 | For the protective device of protection sleeve pipe window opening tool and casing sidetracking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721311445.7U CN207436979U (en) | 2017-10-11 | 2017-10-11 | For the protective device of protection sleeve pipe window opening tool and casing sidetracking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207436979U true CN207436979U (en) | 2018-06-01 |
Family
ID=62295949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721311445.7U Active CN207436979U (en) | 2017-10-11 | 2017-10-11 | For the protective device of protection sleeve pipe window opening tool and casing sidetracking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207436979U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821406A (en) * | 2019-11-27 | 2020-02-21 | 马鸿彦 | Hydraulic drive directional well drilling device with self-leveling guider |
-
2017
- 2017-10-11 CN CN201721311445.7U patent/CN207436979U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821406A (en) * | 2019-11-27 | 2020-02-21 | 马鸿彦 | Hydraulic drive directional well drilling device with self-leveling guider |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7628200B2 (en) | Tubular running tool and method of using same | |
| AU2003286260B2 (en) | Fluid collecting device | |
| US8100187B2 (en) | Multipurpose tubular running tool | |
| US9181764B2 (en) | Pipe handling apparatus | |
| RU162846U1 (en) | DEVICE FOR DRILLING A SEALED BOTTLE IN A WELL | |
| CN101148975B (en) | Horizontal well fastener-unlatching salvaging device and fastener-unlatching salvaging method thereof | |
| CN207436979U (en) | For the protective device of protection sleeve pipe window opening tool and casing sidetracking system | |
| CN106014258A (en) | Coal mine underground concentric casing directional drilling device and construction method thereof | |
| CN102425371A (en) | Compound cave making method of open hole of coalbed gas well | |
| CN204113169U (en) | Milling fisher | |
| EP2832951A2 (en) | Top drive stand compensator with fill up tool | |
| CN110374571A (en) | A kind of well cementation completion tubular column toe-end sliding sleeve | |
| CN107558933B (en) | Safety joint under a kind of fluffing of moulding sand formula oil well | |
| CN107642341A (en) | Use method of loose sand type petroleum underground safety joint | |
| CN105696961A (en) | Window sidetrack drilling bottom drilling tool assembly and matching tool scheme for torque withstanding type coiled tubing | |
| US2018007A (en) | Sidetracking tool | |
| WO2012001426A3 (en) | Retrievable subsea device and method | |
| CN104481421B (en) | Cross bend and creep into anti-sticking pipe nipple | |
| CN201074489Y (en) | Mill sleeve card-dispelling tubular pile for continuous tubing drill | |
| CN206233890U (en) | The safe fishing tool of well testing reversible | |
| CN205743761U (en) | A kind of rig floor automatic manipulator arm | |
| CN109339751A (en) | It is a kind of easily to bore formula composite throttling device and application method | |
| US1450024A (en) | Rotating jar | |
| CN108518185A (en) | Oil drilling safety joint | |
| CN205764008U (en) | A kind of oil field well special jewel ball instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |