CN206830068U - Drilling rod and well system instrument for windowing - Google Patents
Drilling rod and well system instrument for windowing Download PDFInfo
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- CN206830068U CN206830068U CN201720734473.3U CN201720734473U CN206830068U CN 206830068 U CN206830068 U CN 206830068U CN 201720734473 U CN201720734473 U CN 201720734473U CN 206830068 U CN206830068 U CN 206830068U
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- drilling rod
- window
- open
- thread
- screw thread
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Abstract
The utility model discloses it is a kind of be used for open a window drilling rod and well system instrument, this be used for open a window drilling rod include with endoporus drilling rod body and formed drilling rod body one end taper connector, form the connecting hole in the other end；The outer peripheral face of connector is formed with external screw thread, and formed with internal thread, the thread of external screw thread and internal thread is respectively provided with tooth in echelon for the hole wall of connecting hole.The connection screw thread of the drilling rod of the present utility model for being used to open a window is trapezoidal thread, the radial dimension of trapezoidal thread opposing triangular screw thread is small, trapezoidal thread is set to reduce or even avoid influence of wall thickness of the form of thread to drilling rod on drilling rod, it is thinner so as to which the wall thickness of drilling rod is designed.More designing greatly or by the external diameter of drilling rod of the internal diameter of drilling rod of the present utility model being designed is smaller, when carrying out drilling well using drilling rod, the annular space of well can be made to increase to reduce the reflux resistance of mud, and mud displacement increase can be made to be pumped to reduce.
Description
Technical field
It the utility model is related to drilling technology field, more particularly to a kind of drilling rod and well system instrument.
Background technology
In the last few years to improve the rate of oil and gas recovery, reduction drilling cost, the exploitation again of waste and old old well turns into break through direction,
Wherein side-drilling windowing market is particularly hot.Many oil fields all apply Casing Sidetracking Technology at the scene.But due to for small
The drilling rod size of well sidetracking is small, rigidity is low, anti-twisting property is poor, and higher curvature influences in addition, causes load environment pole residing for drill string
To be severe, drill rod thread failure accidents occur in drilling process often, influence job safety.
To prevent the thread failure of the junction of two ends of drill, the connection between drilling rod uses taper thread, and uses tooth
Type is the screw thread of triangle, however, tooth form make it that the wall thickness of drilling rod is larger for the taper thread of triangle, this certainly will increase external diameter
And/or reduce internal diameter.So that the annular space of well smaller (annular gap i.e. between drilling rod and well) increases mud
Reflux resistance, and the less internal diameter of drilling rod make it that mud displacement is too small.So as to cause overhigh pumping pressure in drilling process.
Utility model content
For above-mentioned technical problem present in prior art, embodiment of the present utility model provides a kind of for opening a window
Drilling rod.
In order to solve the above technical problems, the technical scheme that embodiment of the present utility model uses is：
A kind of drilling rod for being used to open a window, including the drilling rod body with endoporus and formation are in described drilling rod body one end
The connector of taper, the other end of the drilling rod body are axially formed the connecting hole of taper along it, the connecting hole with it is described interior
Hole connects；The outer peripheral face of the connector is formed with external screw thread, and the hole wall of the connecting hole is formed with internal thread, the external screw thread
Tooth in echelon is respectively provided with the thread of the internal thread.
Preferably, the connector matches with the connecting hole, so that the company of one of them drilling rod for being used to open a window
Joint can be screwed in the connecting hole of another drilling rod for being used to open a window.
Preferably, connected between the connecting hole and the endoporus by the first unthreaded hole, first unthreaded hole with it is described interior
The junction in hole is formed with First terrace；The end of the connector is formed with primary optic axis, when being used for described in one of them
When the connector of the drilling rod of windowing is screwed in the connecting hole of another drilling rod for being used to open a window, the head of the primary optic axis
It is resisted against on the First terrace.
Preferably, between the connector and the drilling rod body formed with the second optical axis, second optical axis with it is described
Formed with second step face, the one end of the connecting hole away from first unthreaded hole forms the second light for the junction of drilling rod body
Hole, when in the connecting hole that the connector of one of them drilling rod for being used to open a window screws in another drilling rod for being used to open a window
Afterwards, second optical axis wears second unthreaded hole and the drilling rod body is resisted against on the second step face.
Preferably, the external diameter at the largest outside diameter of the drilling rod body is 98mm-107mm.
Preferably, the taper of the external screw thread and the internal thread is 1：6-1：28.
Preferably, the thread form angle of the externally threaded thread form angle and the internal thread is 15 ° -80 °.
Preferably, the external screw thread and the internal thread are single top screw thread or are Double Tops screw thread.
The invention also discloses a kind of well system instrument, including：
The above-mentioned drilling rod for being used to open a window；
Heavy weight drill pipe, its upper end are connected with the drilling rod for being used to open a window；
Short circuit is positioned, its upper end is connected with the lower end of the heavy weight drill pipe；
Without magnetic heavy weight drill pipe, its upper end is connected with the lower end of the positioning short circuit；
Helicoid hydraulic motor assembly, it includes motor assembly, and the motor assembly includes stator and rotor, and the stator is fixed on
The inwall of the no magnetic heavy weight drill pipe, the rotor wear the stator；And
Drill bit, it is connected with the rotor and driven by the rotor.
Preferably, the well system instrument also includes the measurement transmitting device and wireless receiving that can be communicated wirelessly
Device；The measurement transmitting device is for obtaining the formation data around the drill bit and being sent to the formation data described
Radio receiver, the radio receiver are used to handle the formation data received, and by the stratum after processing
Data are converted to pressure signal to be sent to the display device on ground.
Preferably, the measurement transmitting device includes measurement module, the first battery module and wireless output module, described
First battery module is used to be used to obtain institute for the measurement module and the wireless output module power supply, the measurement module
State the formation data around drill bit；The wireless output module is used to the formation data being sent to the wireless receiving
Device；
The radio receiver includes wireless receiving module, processing module, pulser and the second battery module；It is described
Second battery module is used to power for the wireless receiving module, the processing module and the pulser, described wirelessly to connect
Module is received to be used to receive the formation data transmitted by the wireless output module；The processing module is used to handle describedly
The formation data is simultaneously converted to pressure signal by layer data, and the pulser is used to receiving the pressure signal and by the pressure
Force signal is sent to the display device on ground.
Compared with prior art, the beneficial effect for the drilling rod for being used to open a window that embodiment of the present utility model is provided is：
The connection screw thread of the drilling rod of the present utility model for being used to open a window is trapezoidal thread, in the case of identical coupling stiffness and intensity,
The radial dimension of trapezoidal thread opposing triangular screw thread is small, sets trapezoidal thread to reduce or even avoid ridge on drilling rod
Influence of wall thickness of the shape to drilling rod, it is thinner so as to which the wall thickness of drilling rod is designed.In this way, with drilling rod of the prior art
In the case of same outer diameter, the internal diameter of drilling rod of the present utility model can be designed bigger；With drilling rod of the prior art
In the case of same inner diameter, the external diameter of drilling rod of the present utility model can be designed it is smaller, so as to utilize the utility model
Drilling rod when carrying out drilling well, the annular space of well can be made to increase to reduce the reflux resistance of mud, and can arrange mud simultaneously
Amount increase is pumped with reducing.
Brief description of the drawings
Fig. 1 is the structural representation for the drilling rod for being used to open a window that embodiment of the present utility model provides.
Fig. 2 is the structure of the one end for being provided with connector for the drilling rod for being used to open a window that embodiment of the present utility model provides
Schematic diagram.
Fig. 3 is the structure of the one end for offering connecting hole for the drilling rod for being used to open a window that embodiment of the present utility model provides
Schematic diagram.
Fig. 4 is the spiral shell on connector and connecting hole in the drilling rod for being used to open a window that embodiment of the present utility model provides
The structural representation of tooth.
Fig. 5 is the structural representation for the well system instrument that embodiment of the present utility model provides.
In figure：
10- drilling rod bodies；11- endoporus；20- connectors；21- bores external screw thread；22- primary optic axis；The optical axises of 23- second；
24- second steps face；30- connecting holes；31- bores internal thread；The unthreaded holes of 32- first；33- First terraces；The unthreaded holes of 34- second；
40- threads；1- drill bits；211- power transmission shafts；212- lower radial bearings；213- cods；The upper journal bearings of 214-；215- is driven
Shaft housing；221- water caps；222- connecting rods；The curved housings of 223-；231- stators；232- rotors；The anti-lost joints of 233-；234- is anti-lost
Clamping cap；3- is without magnetic heavy weight drill pipe；4- positions short circuit；5- heavy weight drill pipes；61- measurement modules；611- transmission lines；62- first
Battery module；63- is wireless output module；71- wireless receiving modules；72- processing modules；The battery modules of 73- second；74- pulses
Device；8- drilling rods.
Embodiment
It is below in conjunction with the accompanying drawings and specific real to make those skilled in the art be better understood from the technical solution of the utility model
Mode is applied to elaborate to the utility model.
As shown in Figures 1 to 4, embodiment of the present utility model discloses a kind of drilling rod for being used to open a window, including with interior
The drilling rod body 10 in hole 11 and formation are in the connector 20 of the taper of the one end of drilling rod body 10, the other end of drilling rod body 10
The connecting hole 30 of taper is offered along its axial direction, connector 20, connecting hole 30 and endoporus are coaxial, and connecting hole 30 and endoporus
11 connections；The outer peripheral face of connector 20 is formed with external screw thread 21, and the hole wall of connecting hole 30 is formed with internal thread 31, the utility model
Key be that the thread 40 of external screw thread 21 and internal thread 31 is respectively provided with tooth in echelon.
The connection screw thread of drilling rod of the present utility model for being used to open a window is trapezoidal thread, in identical coupling stiffness and intensity
In the case of, the radial dimension of trapezoidal thread opposing triangular screw thread is small, sets trapezoidal thread to reduce or even keep away on drilling rod
Exempt from influence of wall thickness of the form of thread to drilling rod, it is thinner so as to which the wall thickness of drilling rod is designed.In this way, with prior art
In drilling rod same outer diameter in the case of, the internal diameter of drilling rod of the present utility model can be designed bigger；With prior art
In drilling rod same inner diameter in the case of, the external diameter of drilling rod of the present utility model can be designed it is smaller, so as to utilize this
When the drilling rod of utility model carries out drilling well, the annular space of well can be made to increase to reduce the reflux resistance of mud, and simultaneously can be with
Mud displacement increase is set to reduce pump pressure.Preferably, the taper of external screw thread and internal thread is 1： 6-1：28, externally threaded tooth
The thread form angle of type angle and internal thread is 15 ° -80 °, and external screw thread and internal thread are single top screw thread or are Double Tops screw thread.Drilling rod
External diameter at the largest outside diameter of body 10 is 98mm-107mm.
In a preferred embodiment of the present utility model, connector 20 matches with connecting hole 30, so that the utility model
The connector 20 of one of drilling rod can screw in the connecting hole 30 of another drilling rod.In this way, can be by the utility model
Multiple drilling rods be threadedly coupled successively to increase the length of drilling rod.
In a preferred embodiment of the present utility model, connected between connecting hole 30 and endoporus 11 by the first unthreaded hole 32
Logical, the junction of the first unthreaded hole 32 and endoporus 11 is formed with First terrace 33；The end of connector 20 is formed with primary optic axis
22, when the connector 20 of one of drilling rod is screwed in the connecting hole 30 of another drilling rod, the head of primary optic axis 22 against
On First terrace 33.Formed with the second optical axis 23, the second optical axis 23 and drilling rod sheet between connector 20 and drilling rod body 10
For the junction of body 10 formed with second step face 24, the one end of connecting hole 30 away from the first unthreaded hole 32 forms the second unthreaded hole 34, to work as
After in the connecting hole 30 of another drilling rod of the screw-in of connector 20 of one of drilling rod, the second optical axis 23 wears the second unthreaded hole 34
And drilling rod body 10 is resisted against on second step face 24.The utility model is using dual stage shoulder design (First terrace and second
Terrace is two shoulders of drilling rod), so as to increase the bonding strength of drilling rod and rigidity.
Being understood according to above-mentioned, drilling rod of the present utility model is designed using the Design of Screw Thread and dual stage shoulder of trapezoidal tooth, so as to
Reduce the wall thickness demand of drilling rod, annular space inside and outside increase, reduce cyclic pressure dissipation, improve circulation discharge capacity.So as to increase inner and outer ring
Sky, cyclic pressure dissipation is reduced, improve circulation discharge capacity, increase prop-carrying capacity, while dual stage shoulder Design of Screw Thread, while contact adds spiral shell
Line is antitorque, bending strength, improves screw thread stressing conditions, reduces thread root stress, improves safety coefficient and antifatigue
Ability.
For the rigidity of further increase drilling rod, operating risk is reduced, improves the pressure of the drill, wanted with meeting that window sidetracking operating mode uses
Ask, drilling rod body 10 is formed by three sections of body of rod butt welding.The middle body of rod is made up of S135 or G105, the both sides body of rod by 4137H or
4330 steel alloys are made.
The invention also discloses a kind of well system instrument, as shown in figure 5, the well system instrument is including above-mentioned
Drilling rod 8 for windowing, measurement transmitting device, radio receiver, heavy weight drill pipe 5, positioning short circuit 4, without magnetic heavy weight drill pipe 3,
Helicoid hydraulic motor assembly and drill bit 1.Wherein, the upper end of heavy weight drill pipe 5 is connected with drilling rod 8, positions upper end and the exacerbation of short circuit 4
The lower end connection of drilling rod 5, the upper end of no magnetic heavy weight drill pipe 3 are connected with positioning the lower end of short circuit 4.Helicoid hydraulic motor assembly includes motor
Assembly, motor assembly include rotor 232 and stator 231, and stator 231 is formed on the inwall without magnetic heavy weight drill pipe 3, rotor 232
Stator 231 is worn, the rotor 232 is used to drive drill bit 1.
Well system instrument of the present utility model is due to having installed the above-mentioned drilling rod 8 for being used to open a window so that well system
Instrument can bore smaller well, and can reduce the resistance in drilling process, improve drilling well rigidity.
Helicoid hydraulic motor assembly is in addition to including motor assembly, in addition to driving-shaft assembly and universal axle assembly.
Driving-shaft assembly includes power transmission shaft 211, lower radial bearing 212, cod 213, upper journal bearing 214 and transmission
Shaft housing 215；Universal axle assembly includes water cap 221, connecting rod 222, curved housing 223 and rotor connection 224；Motor assembly is also
Including anti-lost joint 233 and anti-lost clamping cap 234.Wherein, the upper end of transmission shaft shell 215 is bored by curved housing 223 with aggravating
Bar 3 is connected, and the lower end of rotor 232 is stretched in transmission shaft shell 215 after wearing curved housing 223, and the upper end of power transmission shaft 211 is from biography
The lower end of moving axis housing 215 is connected after stretching to transmission shaft shell 215 with rotor 232；Lower radial bearing 212, cod
213 and upper journal bearing 214 be sequentially sleeved at one section that power transmission shaft 211 is located in transmission shaft shell 215 from bottom to top so that
Power transmission shaft 211 bears caused axial force and radial load when drill bit 1 works.Connecting rod 222 is arranged in curved housing 223 and covered
It is located at outside rotor 232, the upper end of connecting rod 222 is provided with rotor connection 224, and the rotor connection 224 is sheathed on rotor 232,
The lower end connection water cap 221 of connecting rod 222；The upper end of heavy weight drill pipe 3 is connected by anti-lost joint 233 with positioning short circuit 4, rotor
232 upper end, which stretches in positioning short circuit 4 and set after passing through anti-lost joint 233, prevents capping off 234 so that rotor 232 is occurring
Drilling tool can be stuck in the anti-lost top of joint 233 when being broken.
Be the strata condition under detecting shaft to instruct drilling well according to strata condition, well system instrument also includes measurement transmission
Device and radio receiver.Measurement transmitting device specifically includes measurement module 61, the first battery module 62 and wireless output
Module 63, radio receiver include wireless receiving module 71, processing module 72, the second battery module 73 and pulser 74.
Specifically, measurement module 61 is arranged at close to the position of drill bit 1 in power transmission shaft 211, and it is short that wireless output module 63 is arranged at positioning
In connecing 4, the second battery module 713 is arranged in heavy weight drill pipe 3, and measurement module 61 passes through transmission line with wireless output module 63
611 are transmitted signal, and the first battery module 62 is used to power for measurement module 61 and wireless output module 63, measurement module
61 are used to obtain the formation data around drill bit 1；Wireless output module 63 is used to formation data being sent to radio receiver
Wireless receiving module 71.Wireless receiving module 71 is arranged in positioning short circuit 4 and is oppositely arranged with wireless output module 63,
Processing module 72 is arranged in wireless output module 63, and the second battery module 73 is arranged in positioning short circuit 4, and pulser 74 is set
In heavy weight drill pipe 5 and close to drilling rod 8；It is wireless receiving module 71, processing module 72 and arteries and veins that second battery module 72, which is used for,
Rush device 74 to power, wireless receiving module 71 is used to receive the formation data that wireless output module 63 is sent；Processing module 72 is used for
Formation data is simultaneously converted to pressure signal by processing formation data, and pulser 74 is used to receive pressure signal and pass pressure signal
The display device being arranged on ground is delivered to, engineers and technicians know pressure signal by display device, and pass through the pressure
Signal understands the situation on the stratum around drill bit, such as knows the hardness on stratum.
Understood according to above-mentioned, the strata condition around drill bit can be transmitted using transmitting device and radio receiver is measured
To ground, so that operator has a clear understanding of the concrete condition on stratum, and different drilling well strategies is taken according to the change on stratum.
Above example is only exemplary embodiment of the present utility model, is not used in limitation the utility model, and this practicality is new
The protection domain of type is defined by the claims.Those skilled in the art can be in essence of the present utility model and protection domain
It is interior, various modifications or equivalent substitution are made to the utility model, this modification or equivalent substitution also should be regarded as new in this practicality
In the protection domain of type.
Claims (11)
1. it is a kind of be used for open a window drilling rod, including the drilling rod body with endoporus and formed described drilling rod body one end cone
The connector of shape, the other end of the drilling rod body are axially formed the connecting hole of taper, the connecting hole and the endoporus along it
Connection；The outer peripheral face of the connector is formed with external screw thread, and the hole wall of the connecting hole is formed with internal thread, it is characterised in that
The thread of the external screw thread and the internal thread is respectively provided with tooth in echelon.
2. the drilling rod according to claim 1 for being used to open a window, it is characterised in that the connector and the connecting hole
Match somebody with somebody, so that the connector of one of them drilling rod for being used to open a window can screw in the company of another drilling rod for being used to open a window
Connect in hole.
3. the drilling rod according to claim 2 for being used to open a window, it is characterised in that lead between the connecting hole and the endoporus
Cross the first unthreaded hole to connect, the junction of first unthreaded hole and the endoporus is formed with First terrace；The end of the connector
Portion is used for what is opened a window formed with primary optic axis when the connector of one of them drilling rod for being used to open a window screws in described in another
When in the connecting hole of drilling rod, the head of the primary optic axis is resisted against on the First terrace.
4. the drilling rod according to claim 3 for being used to open a window, it is characterised in that the connector and the drilling rod body it
Between formed with the second optical axis, the junction of second optical axis and the drilling rod body is formed with second step face, the connection
The one end of hole away from first unthreaded hole forms the second unthreaded hole, when the connector of one of them drilling rod for being used to open a window screws in
After in the connecting hole of another drilling rod for being used to open a window, second optical axis wears second unthreaded hole and the drilling rod sheet
Body is resisted against on the second step face.
5. the drilling rod according to claim 1 for being used to open a window, it is characterised in that at the largest outside diameter of the drilling rod body
External diameter is 98mm-107mm.
6. the drilling rod according to claim 1 for being used to open a window, it is characterised in that the cone of the external screw thread and the internal thread
Degree is 1：6-1：28.
7. the drilling rod according to claim 1 for being used to open a window, it is characterised in that the externally threaded thread form angle and described interior
The thread form angle of screw thread is 15 ° -80 °.
8. the drilling rod according to claim 1 for being used to open a window, it is characterised in that the external screw thread and the internal thread are
Single top screw thread is Double Tops screw thread.
A kind of 9. well system instrument, it is characterised in that including：
It is used for the drilling rod to open a window as claimed in any of claims 1 to 8 in one of claims；
Heavy weight drill pipe, its upper end are connected with the drilling rod for being used to open a window；
Short circuit is positioned, its upper end is connected with the lower end of the heavy weight drill pipe；
Without magnetic heavy weight drill pipe, its upper end is connected with the lower end of the positioning short circuit；
Helicoid hydraulic motor assembly, it includes motor assembly, and the motor assembly includes stator and rotor, and the stator is fixed on described
Inwall without magnetic heavy weight drill pipe, the rotor wear the stator；And
Drill bit, it is connected with the rotor and driven by the rotor.
10. well system instrument according to claim 9, it is characterised in that the well system instrument also includes can
The measurement transmitting device and radio receiver communicated wirelessly；The measurement transmitting device is used to obtain around the drill bit
Formation data and the formation data is sent to the radio receiver, the radio receiver, which is used to handle, to be received
The formation data, and the display that the formation data after processing is converted into pressure signal to be sent on ground is set
It is standby.
11. well system instrument according to claim 10, it is characterised in that
The measurement transmitting device includes measurement module, the first battery module and wireless output module, the first battery mould
Block is used to be used to obtain around the drill bit for the measurement module and the wireless output module power supply, the measurement module
The formation data；The wireless output module is used to the formation data being sent to the radio receiver；
The radio receiver includes wireless receiving module, processing module, pulser and the second battery module；Described second
Battery module is used for for the wireless receiving module, the processing module and pulser power supply, the wireless receiving mould
Block is used to receive the formation data transmitted by the wireless output module；The processing module is used to handle the described ground number of plies
Pressure signal is converted to according to and by the formation data, the pulser is used to receive the pressure signal and believe the pressure
The display device number being sent on ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720734473.3U CN206830068U (en) | 2017-06-22 | 2017-06-22 | Drilling rod and well system instrument for windowing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720734473.3U CN206830068U (en) | 2017-06-22 | 2017-06-22 | Drilling rod and well system instrument for windowing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206830068U true CN206830068U (en) | 2018-01-02 |
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ID=60776549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720734473.3U Active CN206830068U (en) | 2017-06-22 | 2017-06-22 | Drilling rod and well system instrument for windowing |
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| Country | Link |
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| CN (1) | CN206830068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100555A (en) * | 2017-06-22 | 2017-08-29 | 奥瑞拓能源科技股份有限公司 | Drilling rod and well system instrument for windowing |
-
2017
- 2017-06-22 CN CN201720734473.3U patent/CN206830068U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100555A (en) * | 2017-06-22 | 2017-08-29 | 奥瑞拓能源科技股份有限公司 | Drilling rod and well system instrument for windowing |
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