CN106194045A - Drilling rod - Google Patents
Drilling rod Download PDFInfo
- Publication number
- CN106194045A CN106194045A CN201610838806.7A CN201610838806A CN106194045A CN 106194045 A CN106194045 A CN 106194045A CN 201610838806 A CN201610838806 A CN 201610838806A CN 106194045 A CN106194045 A CN 106194045A
- Authority
- CN
- China
- Prior art keywords
- block
- limited block
- position block
- inner core
- horizontal limited
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
Abstract
The invention discloses a kind of drilling rod, including urceolus and the inner core that is socketed on described urceolus, described urceolus is concentric with described inner core, and the inwall of described urceolus is detachable is fixedly connected with the stopping means preventing described inner core from moving up and down；Realize carrying out spacing to whole inner core by stopping means, when occurring altering on oil gas, overflow closing well, High-pressure well killing time, can effectively prevent inner core therefore on alter or move down and cause the generation of complex situations in well, improve the safety of Oil/gas Well.
Description
Technical field
The present invention relates to production gas technology field, more specifically, it relates to a kind of drilling rod.
Background technology
Oil/gas Well landwaste silt particle in oil-gas Layer when carrying out production of hydrocarbons can be carried over stratum, enter in pit shaft；With
Production of hydrocarbons constantly carrying out, the silt particle that down-hole is piled up is the most and can block the gas stream passage of slot pipe, oil gas
Yield will become less and less, buries payzone, because the long-time borehole pressure that produces reduces, and cannot be by heavy in well by normal circulation
Abrasive band goes out pit shaft, with nitrogen (a kind of inert gas) carry out rushing (clearly) sand operation due to the mobility of gas the best, at height
By force this will be greatly shortened the well workover time and allows Oil/gas Well ability of resuming production as early as possible to carry (clearly) sand ability under flow velocity.Nitrogen proportion
Natural gas in the lowest weak well of equilibrium strata pressure ability is easy for altering, and inflammable and explosive natural gas controls not in upper altering
Well the most easily cause closing well high pressure out of control--make the accidents such as fire.
Summary of the invention
The deficiency existed for prior art, it is an object of the invention to provide a kind of drilling rod, in can effectively preventing
Cylinder therefore on alter or move down and cause the generation of complex situations in well, improve the safety of Oil/gas Well.
The above-mentioned technical purpose of the present invention has the technical scheme that
A kind of drilling rod, including urceolus and the inner core that is socketed on described urceolus, described urceolus is concentric with described inner core, described outside
The inwall of cylinder is detachable is fixedly connected with the stopping means preventing described inner core from moving up and down.
It is further arranged to: described stopping means includes upper limit position block and the lower limit of the axial distribution along described urceolus
Block, on perpendicular, described upper limit position block is positioned at above described lower position block, and the outer wall of described inner core is along its axial restraint
Having upper protruding block and lower protruding block, on perpendicular, described upper protruding block is positioned at above described lower protruding block, the upper table of described upper protruding block
Face abuts the lower surface of described upper limit position block, and the lower surface of described lower protruding block abuts the upper surface of described lower position block.
It is further arranged to: the lower surface of described upper limit position block is fixed with and prevents described inner core along the center being perpendicular to inner core
The upper horizontal limited block that the direction of the length direction of axle is moved, described horizontal limited block abuts the lateral surface of described upper protruding block, described
The upper surface of lower position block is fixed with and prevents described inner core from moving along the direction of length direction of the central shaft being perpendicular to inner core
Lower horizontal limited block, described lower horizontal limited block abuts the lateral surface of described lower protruding block.
It is further arranged to: described upper limit position block and described lower position block are equal with the lateral surface of the contact internal walls of described urceolus
Offering external screw thread, the inwall of described urceolus offers female thread, and described upper limit position block and described lower position block are by outside described
Screw thread was all threadeded with the inwall composition of described urceolus with coordinating of described female thread.
Be further arranged to: the outer wall of described horizontal limited block be stepped ramp type arrange, the inwall of described lower horizontal limited block in
Stepped ramp type is arranged, the end that the outer wall of the end that described horizontal limited block medium caliber is less is bigger with described lower horizontal limited block medium caliber
The inwall in portion abuts, and/or, the inwall of described horizontal limited block is that stepped ramp type is arranged, and the outer wall of described lower horizontal limited block is platform
Rank type is arranged, the end that the inwall of the end that described horizontal limited block medium caliber is bigger is less with described lower horizontal limited block medium caliber
Outer wall abut.
It is further arranged to: the sidewall mutually abutted between described horizontal limited block with described lower horizontal limited block is offered respectively
Have a composition threaded upper screw thread and lower screw thread, described horizontal limited block and described lower horizontal limited block by described upper screw thread with
The cooperation of described lower screw thread constitutes threaded.
Be further arranged to: described upper limit position block and described horizontal limited block are integrated setting, described lower position block with
Described lower horizontal limited block is integrated setting.
It is further arranged to: described upper limit position block, described upper protruding block, described horizontal limited block, described lower position block, described
Lower protruding block and described lower horizontal limited block are arranged the most ringwise.
It is further arranged to: the upper surface of described upper limit position block and the upper surface of described lower position block all offer in prism
The groove that shape is arranged.
The invention have the benefit that by technique scheme, realize whole inner core is limited by stopping means
Position, when occurring altering on oil gas, overflow closing well, High-pressure well killing time, can effectively prevent inner core therefore on alter or move down and cause
The generation of complex situations in well, improves the safety of Oil/gas Well.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present embodiment drilling rod；
Fig. 2 is the enlarged drawing in A portion in Fig. 1；
Fig. 3 is the enlarged drawing in B portion in Fig. 1.
In figure: 10, stopping means；11, upper limit position block；111, upper horizontal limited block；12, lower position block；121, lower horizontal stroke is spacing
Block；20, inner core；21, upper protruding block；22, lower protruding block.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, it should be appreciated that these embodiments are merely to illustrate the present invention
Rather than restriction the scope of the present invention, after having read the present invention, the those skilled in the art's various equivalences to the present invention
The amendment of form all falls within the application claims limited range.
In the present embodiment, " laterally " refer both to be perpendicular to the side of the length direction of the central shaft of urceolus with " horizontal direction "
To.
According to shown in Fig. 1 to Fig. 3, a kind of drilling rod, including urceolus and the inner core 20 that is socketed on urceolus, urceolus and inner core 20 with
The heart, for preventing at inner core 20 upper and lower play in urceolus, therefore in the present embodiment, carries out arranged below, and the inwall of urceolus is removable
The formula of unloading is fixedly connected with the stopping means 10 preventing inner core 20 from moving up and down, and realizes entering whole inner core 20 by stopping means 10
Row is spacing, when occurring altering on oil gas, overflow closing well, High-pressure well killing time, can effectively prevent inner core 20 therefore on alter or move down
And the generation of complex situations in causing well, improve the safety of Oil/gas Well.
For stopping means 10, can carry out arranged below: this stopping means 10 includes the upper of the axial distribution along urceolus
Limited block 11 and lower position block 12, on perpendicular, upper limit position block 11 is positioned at above lower position block 12, the outer wall of inner core 20
Having upper protruding block 21 and lower protruding block 22 along its axial restraint, on perpendicular, upper protruding block 21 is positioned at above lower protruding block 22, epirelief
The upper surface of block 21 abuts the lower surface of upper limit position block 11, and the lower surface of lower protruding block 22 abuts the upper surface of lower position block 12；Cause
Upper surface for upper protruding block 21 abuts the lower surface of upper limit position block 11, and upper limit position block 11 constitutes detachable with the inwall of urceolus
Fixing connection, therefore upper limit position block 11 can effectively prevent upper protruding block 21 from moving towards the direction of upper limit position block 11, because epirelief
Block 21 is fixed with inner core 20, therefore upper limit position block 11 can effectively prevent inner core 20 from moving towards upper limit position block 11, because vertically
In plane, upper limit position block 11 is positioned at the top of lower position block 12, therefore is also possible to prevent on inner core 20 to move；Additionally, because lower protruding block 22
Lower surface abut the lower surface of lower position block 12, and the inwall of lower position block 12 and urceolus also constitutes detachable fixing company
Connect, therefore lower position block 12 can effectively prevent lower protruding block 22 from moving towards the direction of lower position block 12 because lower protruding block 22 with
Inner core 20 is fixed, therefore lower position block 12 can effectively prevent inner core 20 from moving towards lower position block 12, because on perpendicular
Lower position block 12 is positioned at the lower section of lower position block 12, therefore is also possible to prevent inner core 20 and moves down.
And, for upper limit position block 11 and upper protruding block 21, in the present embodiment, upper limit position block 11 and upper protruding block 21 are all in ring
Shape is arranged, and so, contributes to the contact area increasing upper limit position block 11 with lower position block 12, whereby, when inner core 20 receives upwards
Power time, the stress between upper limit position block 11 and upper protruding block 21 do not concentrates, and contributes to extending upper limit position block 11 and upper protruding block 21
In service life, by such setting, also make upper limit position block 11 to carry out spacing to altering on inner core 20 completely, enter one
Step improves safety；For lower position block 12 and lower protruding block 22, in the present embodiment, lower position block 12 and lower protruding block 22 all in
Annular is arranged, and so, contributes to the contact area increasing lower position block 12 with lower position block 12, whereby, when inner core 20 receive to
Under power time, the stress between lower position block 12 and lower protruding block 22 do not concentrates, and contributes to extending lower position block 12 and lower protruding block 22
Service life, by such setting, also make lower position block 12 completely inner core to be altered for 20 times and carry out spacing, enter
One step improves safety.
And, in order to prevent occurring altering on oil gas, overflow closing well, High-pressure well killing time inner core 20 stress along being perpendicular to inner core
The direction of the length direction of the central shaft of 20 is moved and is caused inner core 20 to deform, therefore in the present embodiment, upper limit position block 11 times
Surface is fixed with the upper horizontal limited block preventing inner core 20 from moving along the direction of the length direction of the central shaft being perpendicular to inner core 20
111, upper horizontal limited block 111 abuts the lateral surface of upper protruding block 21, and the upper surface of lower position block 12 is fixed with and prevents inner core 20 along hanging down
The straight lower horizontal limited block 121 moved in the direction of the length direction of the central shaft of inner core 20, lower horizontal limited block 121 abuts lower protruding block
The lateral surface of 22；Can effectively prevent upper protruding block 21 along the length of the central shaft being perpendicular to inner core 20 by upper horizontal limited block 111
The direction in degree direction is moved, thus also it is prevented that inner core 20 is along the direction of the length direction of the central shaft being perpendicular to inner core 20
Mobile；In like manner, can effectively prevent lower protruding block 22 along the length of the central shaft being perpendicular to inner core 20 by lower horizontal limited block 121
The direction in direction is moved, thus also it is prevented that inner core 20 along the length direction of the central shaft being perpendicular to inner core 20 direction move
Dynamic；Thus, it is effectively prevented inner core 20 and moves in transverse direction, also avoid inner core 20 and urceolus generation sharp impacts,
Avoid inner core 20 to deform because of sharp impacts with urceolus, extend the service life of inner core 20 and urceolus.
And, for upper horizontal limited block 111 and lower horizontal limited block 121, may further be provided, upper horizontal limited block 111 with
Lower horizontal limited block 121 abuts the inwall of urceolus, so, outside the pressure of the upper horizontal limited block 111 of upper protruding block 21 extruding can be transferred to
Cylinder, as such, it is possible to the bonding strength being effectively protected between horizontal limited block 111 and upper limit position block 11, be effectively prevented because of
Upper protruding block 21 is excessive and cause rupturing between upper horizontal limited block 111 and upper limit position block 11 to the extruding force of upper horizontal limited block 111,
Extend the service life of horizontal limited block 111 and both upper limit position blocks 11；Additionally, in the present embodiment, upper horizontal limited block 111
Arrange the most ringwise with upper horizontal projection, so, as long as the moving direction of inner core 20 is perpendicular to the length direction of its central shaft, the upper limit
Position block 11 it can be moved carry out spacing.
And, it is connected for detachable fixing between outer tube inner wall with upper limit position block 11 and lower position block 12, can enter
Row is arranged below, and upper limit position block 11 all offers external screw thread, urceolus with the lateral surface of lower position block 12 with the contact internal walls of urceolus
Inwall offer female thread, upper limit position block 11 and lower position block 12 coordinate all interior with urceolus by external screw thread and female thread
Wall constitutes threaded；As such, it is possible to quickly upper limit position block 11 and lower position block 12 are dismantled on urceolus or are installed, very
Convenience.
Additionally, for upper limit position block 11 and lower position block 12, in the present embodiment, also can carry out arranged below, upper horizontal limit
The outer wall of position block 111 is that stepped ramp type is arranged, and the inwall of lower horizontal limited block 121 is that stepped ramp type is arranged, upper horizontal limited block 111 medium caliber
The inwall of the end that the outer wall of less end is bigger with lower horizontal limited block 121 medium caliber abuts, and/or, upper horizontal limited block 111
Inwall be stepped ramp type arrange, the outer wall of lower horizontal limited block 121 be stepped ramp type arrange, upper horizontal limited block 111 medium caliber is bigger
The outer wall of the end that the inwall of end is less with lower horizontal limited block 121 medium caliber abuts.So so that upper limit position block 11 and lower limit
Position block 12 connects, and enhances the bonding strength between upper limit position block 11 and lower position block 12, thus also allows for upper limit position block 11
Can cooperate with lower position block 12 and be connected to form new limited block, this also implies that, by upper protruding block 21
With lower protruding block 22, each section of inner core 20 is held on each limited block respectively, constitutes upper limit position block 11 and the lower limit of limited block
Position block 12 can improve the limit effect to inner core 20, because do so, when upper protruding block 21 is carried out spacing by upper limit position block 11, under
Limited block 12 can share the extruding force suffered by upper limit position block 11, thus improves the stability of upper limit position block 11, the most just enters one
Step prevent inner core 20 on alter；In like manner, when lower protruding block 22 is carried out spacing by lower position block 12, under lower position block 12 can be shared
Extruding force suffered by limited block 12, thus improve the stability of lower position block 12, prevent inner core the most further 20 times
Alter.
In order to strengthen the bonding strength between upper limit position block 11 and lower position block 12, therefore in the present embodiment, the oldest
On the basis of stating, carrying out arranged below, the sidewall mutually abutted between upper horizontal limited block 111 with lower horizontal limited block 121 is offered respectively
Having the threaded upper screw thread of composition and lower screw thread, upper horizontal limited block 111 and lower horizontal limited block 121 are by upper screw thread and lower screw thread
Cooperation constitute threaded.By threadeding between upper horizontal limited block 111 with lower horizontal limited block 121, it is possible to significantly
The bonding strength strengthened between upper limit position block 11 and lower position block 12, whereby, prevent altering up and down of inner core 20 further.
And, upper limit position block 11 and upper horizontal limited block 111 in integrated setting, lower position block 12 and lower horizontal limited block 121
In integrated setting, so contribute to strengthening upper limit position block 11 spacing with lower horizontal stroke with upper horizontal limited block 111 and lower position block 12
The bonding strength of block 121.
When installing this drilling rod, user is firstly the need of first by the inwall of lower position block 12 precession urceolus up to suitably position
Put, then inner core 20 packed in urceolus so that inner core 20 is concentric with urceolus and lower protruding block 22 abuts with lower position block 12 adaptation,
The most again by upper limit position block 11 precession urceolus so that upper limit position block 11 abuts with upper protruding adaptation, thus completes upper limit position block 11
Installment work with lower position block 12；Otherwise, if first upper limit position block 11 being screwed out urceolus, then pull out inner core 20, then by lower limit
Position block 12 screws out, so that it may will dismantle upper limit position block 11 and lower position block 12 very easily, the most efficient and convenient.In this manner it is possible to
Very easily inner core 20 is extracted out, contribute to inner core 20 is repaired or replaced；And, in the present embodiment, inner core 20 with
Also need between urceolus to place for the pipeline of the auxiliary liquid that circulates, therefore in the present embodiment, upper limit position block 11 and lower position block 12
If arranging in the form of a ring, then upper limit position block 11 and lower position block 12 all should offer the hole passed for pipeline, if upper limit position block 11 with under
Limited block 12 is discontinuous small lugs, then the most all offer on projection for pipeline through hole or projection have placement pipeline
The gap passed.
For making upper limit position block 11 and lower position block 12 precession or the action enhanced convenience of back-out urceolus, therefore in this enforcement
In example, all offer connector at the upper surface of lower position block 12 and the upper surface of upper limit position block 11, when spinning in and out, user
Only connecting rod need to be utilized to be connected with connector, the most just can well rotate upper limit position block 11 or lower position block 12, in this reality
Executing in example, connector is preferably set to trench structure, i.e. connector is upper surface and the lower position block 12 being opened in upper limit position block 11
The groove of upper surface, and contacting of this connector and connecting rod can not be for sphere-contact, therefore in the present embodiment, preferential attachment part
In prismatic setting, certainly, in the present embodiment, the shape of connector is not limited.
Below being only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that, for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
1. a drilling rod, is characterized by: includes urceolus and is socketed on the inner core (20) of described urceolus, described urceolus and described inner core
(20) concentric, the inwall of described urceolus is detachable is fixedly connected with the stopping means preventing described inner core (20) from moving up and down
(10)。
Drilling rod the most according to claim 1, is characterized by: described stopping means (10) includes axially dividing along described urceolus
The upper limit position block (11) of cloth and lower position block (12), on perpendicular, described upper limit position block (11) is positioned at described lower position block
(12) top, the outer wall of described inner core (20) has upper protruding block (21) and lower protruding block (22) along its axial restraint, at perpendicular
Upper described upper protruding block (21) is positioned at the top of described lower protruding block (22), and the upper surface of described upper protruding block (21) abuts described upper limit
The lower surface of block (11), the lower surface of described lower protruding block (22) abuts the upper surface of described lower position block (12).
Drilling rod the most according to claim 2, is characterized by: the lower surface of described upper limit position block (11) be fixed with prevent described
The upper horizontal limited block (111) that the direction of the length direction that inner core (20) edge is perpendicular to the central shaft of described inner core (20) is moved, institute
Stating horizontal limited block (111) and abut the lateral surface of described upper protruding block (21), the upper surface of described lower position block (12) is fixed with anti-
The lower horizontal limited block that only described inner core (20) moves along the direction of the length direction of the central shaft being perpendicular to described inner core (20)
(121), described lower horizontal limited block (121) abuts the lateral surface of described lower protruding block (22).
Drilling rod the most according to claim 2, is characterized by: described upper limit position block (11) and described lower position block (12) and institute
The lateral surface of the contact internal walls stating urceolus all offers external screw thread, and the inwall of described urceolus offers female thread, described upper limit
Block (11) and described lower position block (12) by described external screw thread and described female thread coordinate all with the inwall structure of described urceolus
Become threaded.
Drilling rod the most according to claim 3, is characterized by: the outer wall of described horizontal limited block (111) is that stepped ramp type is arranged,
The inwall of described lower horizontal limited block (121) is that stepped ramp type is arranged, outside the end that described horizontal limited block (111) medium caliber is less
The inwall of the end that wall is bigger with described lower horizontal limited block (121) medium caliber abuts, and/or, described horizontal limited block (111)
Inwall is that stepped ramp type is arranged, and the outer wall of described lower horizontal limited block (121) is that stepped ramp type is arranged, in described horizontal limited block (111)
The outer wall of the end that the inwall of the end that bore is bigger is less with described lower horizontal limited block (121) medium caliber abuts.
Drilling rod the most according to claim 5, is characterized by: described horizontal limited block (111) and described lower horizontal limited block
(121) sidewall mutually abutted between offers the threaded upper screw thread of composition and lower screw thread, described horizontal limited block respectively
(111) with described lower horizontal limited block (121) by described upper screw thread and described lower screw thread coordinate constitute threaded.
Drilling rod the most according to claim 3, is characterized by: described upper limit position block (11) and described horizontal limited block (111)
In integrated setting, described lower position block (12) and described lower horizontal limited block (121) are in integrated setting.
Drilling rod the most according to claim 3, is characterized by: described upper limit position block (11), described upper protruding block (21), described on
Horizontal limited block (111), described lower position block (12), described lower protruding block (22) and described lower horizontal limited block (121) set the most ringwise
Put.
Drilling rod the most according to claim 3, is characterized by: the upper surface of described upper limit position block (11) and described lower position block
(12) upper surface all offers the groove in prismatic setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610838806.7A CN106194045B (en) | 2016-09-21 | 2016-09-21 | Drilling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610838806.7A CN106194045B (en) | 2016-09-21 | 2016-09-21 | Drilling rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106194045A true CN106194045A (en) | 2016-12-07 |
| CN106194045B CN106194045B (en) | 2019-01-18 |
Family
ID=58738848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610838806.7A Active CN106194045B (en) | 2016-09-21 | 2016-09-21 | Drilling rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106194045B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110424899A (en) * | 2019-09-02 | 2019-11-08 | 三门峡丽源环保工程设备有限公司 | A kind of telescopic drill rod and the cleaning device for the telescopic drill rod |
| CN110424899B (en) * | 2019-09-02 | 2024-05-10 | 三门峡丽源环保工程设备有限公司 | Telescopic drill rod and cleaning device for same |
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|---|---|---|---|---|
| CN110424899A (en) * | 2019-09-02 | 2019-11-08 | 三门峡丽源环保工程设备有限公司 | A kind of telescopic drill rod and the cleaning device for the telescopic drill rod |
| CN110424899B (en) * | 2019-09-02 | 2024-05-10 | 三门峡丽源环保工程设备有限公司 | Telescopic drill rod and cleaning device for same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106194045B (en) | 2019-01-18 |
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