CN206174899U - Arrow formula drilling tool floating valve for oil drilling - Google Patents
Arrow formula drilling tool floating valve for oil drilling Download PDFInfo
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- CN206174899U CN206174899U CN201620964506.9U CN201620964506U CN206174899U CN 206174899 U CN206174899 U CN 206174899U CN 201620964506 U CN201620964506 U CN 201620964506U CN 206174899 U CN206174899 U CN 206174899U
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- sliding sleeve
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- arrow formula
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Abstract
Arrow formula drilling tool floating valve for oil drilling, including valve body and floating valve core, the floating valve core valve body hole step upper portion of packing into, the disk seat is pipe form, there is the twice ring channel on outer disc upper portion, open at the middle part has the operation mouth, the lower part is equipped with and is glued the ring, interior spot facing work has annular elongated slot, the sliding sleeve support is equipped with to its lower part, it is upwards processed there are two toper platforms, respectively with the male cone (strobilus masculinus) of annular rubber dish, the male cone (strobilus masculinus) of case cooperatees, it is sealed with having between arrow formula case and disk seat, improved sealedly and shock resistance, be equipped with spacing platform, the protection spring avoids fatigue failure, be equipped with the dismouting groove on the sliding sleeve support, the efficiency of assembly and maintenance is improved, glue the ring and constitute the shock attenuation combination together with the spring, effect of anti - shock has further been improved, the sliding sleeve support is fixed as an organic whole with the disk seat, the stability of this valve has been increased, sliding sleeve support streamlined design, the little pressure drop of resistance is low, this valve reliability is high, the motor driver has great applicability, maintain that the maintenance is convenient, use cost is low longe -lived.
Description
Technical field
This utility model is related to petroleum industry drilling technology field, more particularly to oil drilling arrow formula drilling tool float valve.
Background technology
Drilling tool float valve is jet-preventing tool in a kind of drilling well, is the anti-blocking specific purpose tool of blowout prevention in drillng operation.Drilling tool float valve
It is made up of valve body and float valve core two parts, float valve core is mounted in valve body when using, in normal drilling or direct circulation, mud is pushed open
Arrow formula valve element, passes through from the outer annular space of arrow formula valve element, and drilling tool float valve is opened, the unimpeded circulation of drilling fluid, when termination of pumping, round trip,
When reacting cycle, down-hole occur well kick or blowout, arrow formula valve element is closed on valve seat in the presence of spring or bottom mud pressure
Taper hole, prevents drilling fluid return, prevents silt from entering drill string, plays anti-blocking, blowout prevention purpose.
The more general most unreasonable structure of drilling tool float valve just being used at present, being caused during I＆M, assembling is tired
Difficulty, inefficiency, in use, sealing Jing often fails, and spring is easy to overfatigue, and fault rate is high, and reliability is low, uses
Short life, because consumption is huge, has raised drilling cost significantly, it is crucial that when round trip, reacting cycle, down-hole occur
When well kick or blowout, spring failure, arrow formula valve element is not closed completely, and losing prevents drilling fluid return, prevents silt from entering drill string
Effect, does not have anti-blocking, blowout prevention purpose, makes drillng operation among great risk, seriously threatens related personnel and sets
The safety applied.
Utility model content
In order to solve the deficiency of the said equipment, this utility model provides a kind of oil drilling arrow formula drilling tool float valve, should
Valve arrow formula valve element is sealed and shock resistance added with sealing with valve base chamber with improving, and is provided with limiting stand to protect spring to avoid fatigue
Destruction, sliding sleeve bearing is provided with dismounting groove to improve assembling and maintenance efficiency, is provided with glue ring, and damping group is constituted together with spring
Close, further increase shock resistance effect, sliding sleeve bearing is fixed as one with valve seat, increased the stability of the valve, this practicality
New purpose is exactly to provide a kind of oil drilling arrow formula drilling tool float valve for scene.
This utility model is achieved through the following technical solutions.
Oil drilling arrow formula drilling tool float valve, including valve body, valve seat, sealing ring A, arrow formula valve element, annular glue dish, pressure ring,
Spring, sliding sleeve, also added with pressing plate groove, sealing ring B, limiting stand, gathering hole, sliding sleeve bearing, dismounting groove, glue ring, in addition to valve body
Remaining part constitutes float valve core, and float valve core loads valve body inner bore step top, and valve seat is a circular tube shaped, and periphery top has together
L annulars reverse L cannelure or twice annular square groove with together with, groove is provided with the length of inside and outside connection built with sealing ring A, periphery middle part
Hole --- gathering hole, the root that a concave station, concave station is arranged at periphery bottom has a cannelure, is equipped with this concave station and cannelure
Glue ring, is provided with downwards equally distributed three radial direction square grooves on upper surface --- and taper chamfering, endoporus are arranged at pressing plate groove, endoporus top
There is annular elongated slot at gathering hole position, in the bottom of annular elongated slot and the fixed sliding sleeve bearing in the perpendicular direction of gathering hole, ring
Shape elongated slot is machined with upwards two taper platforms, the case hardened process of taper platform, the conical surface of first taper platform and annular glue dish
Male cone (strobilus masculinus) be engaged, the conical surface of second taper platform is engaged with the male cone (strobilus masculinus) of arrow formula valve element, respectively formed conical surface seal pair.
The structure of sliding sleeve and sliding sleeve bearing has two kinds, and one：Sliding sleeve is a circular tube shaped, and there is a boss at its middle part, boss it is straight
Footpath is more than the external diameter of sliding sleeve bearing circular tube shaped part, and boss supported on top spring, there is a platform on the periphery on boss top
Rank, step top is limiting stand, and sliding sleeve bearing middle part is a circular tube shaped, and its upper surface is provided with downwards a radial slot --- dismounting
Groove, sliding sleeve boss bottom Jing dismounting grooves load its endoporus, on its periphery it is perpendicular with dismounting groove have symmetrical two it is upper it is narrow under
Wide radial rib, the outside of radial rib is disc, and the disc and its lower surface match with the annular elongated slot bottom on valve seat endoporus
Conjunction is fixed as one；Two：From unlike one, without step on the periphery on sliding sleeve boss top, sliding sleeve bearing radial rib to
Under periphery on have a downward taper platform, a step respectively arranged at endoporus middle part and bottom, and the step of bottom is called spacing
Platform.
Arrow formula valve element is one cylindric, and there is a boss on top, is taper seat above boss, and taper seat is case hardened
Process, have one normal direction cannelure on taper seat, groove built with sealing ring B, boss bottom be sequentially arranged with annular glue dish, pressure ring,
Spring, there is a step on the downward periphery of boss, step inserts the endoporus of sliding sleeve, its axle with the latter half of lower cylindrical section
There are two kinds to limit method, one：Contact spacing with the step surface of arrow formula valve element by limiting stand；Two：By limiting stand and arrow formula valve element
Lower surface contact it is spacing.
Valve body is a circular tube shaped, and two ends are threaded, and endoporus is machined with a step.
Sealing ring A is ring-shaped rubber sealing ring, and its structure has two kinds, one：Sealing ring A is a circular tube shaped, and its is cylindrical for circle
The conical surface, conical surface small end endoporus has a boss；Two：Sealing ring A is O-ring.
Annular glue dish is a truncated cone-shaped, and there is circular hole at center, and the big end endoporus of the conical surface has a step and its inner headed face is cone.
Glue ring is a short circular tube shaped, and endoporus has a step, and roots Level has a cannelure.
Sealing ring B is O-ring, and material is oil-resistant high temperature-resistanrubber rubber or politef.
This utility model has advantages below：Oil drilling arrow formula drilling tool float valve, valve body is monolithic construction, intensity
High rigidity is strong, and arrow formula valve element, added with sealing, improves sealing and shock resistance with valve base chamber, is provided with limiting stand, protects spring
Avoid fatigue rupture, sliding sleeve bearing is provided with dismounting groove, improve assembling and maintenance efficiency, glue ring constitutes damping together with spring
Combination, further increases shock resistance effect, and sliding sleeve bearing is fixed as one with valve seat, increased the stability of the valve, sliding sleeve
Bearing airflow design, the little pressure drop of resistance is low, and the valve reliability is high, strong applicability, and maintaining is convenient, the use cost low life-span
It is long.
Description of the drawings
Fig. 1：Oil drilling the first structural representation of arrow formula drilling tool float valve
Fig. 2：Oil drilling arrow formula drilling tool second structural representation of float valve
1st, valve body 2, pressing plate groove 3, valve seat 4, sealing ring A 5, arrow formula valve element 6, sealing ring B 7, annular glue
Dish 8, pressure ring 9, spring 10, limiting stand 11, gathering hole 12, sliding sleeve 13, sliding sleeve bearing 14, dismounting groove
15th, glue ring.
Specific embodiment
In conjunction with Figure of description：Fig. 1, Fig. 2 are further described to this utility model.
Embodiment one：
Oil drilling arrow formula drilling tool float valve, including valve body 1, valve seat 3, sealing ring A 4, arrow formula valve element 5, annular glue dish 7,
Pressure ring 8, spring 9, sliding sleeve 12, also added with pressing plate groove 2, sealing ring B 6, limiting stand 10, gathering hole 11, sliding sleeve bearing 13, dismounting
Groove 14, glue ring 15, the remaining part composition float valve core in addition to valve body 1, float valve core loads the endoporus step top of valve body 1, and valve seat 3 is
One L annular reverse L cannelure with together with is arranged at one circular tube shaped, periphery top, and groove is opened built with sealing ring A 4, periphery middle part
There is elongated hole --- the gathering hole 11 of inside and outside connection, the root that a concave station, concave station is arranged at periphery bottom has a cannelure, and this is recessed
Glue ring 15 is housed at platform and cannelure, equally distributed three radial direction square grooves are provided with upper surface downwards --- pressing plate groove 2, endoporus
Taper chamfering is arranged at top, and endoporus has annular elongated slot at the position of gathering hole 11, perpendicular with gathering hole 11 in the bottom of annular elongated slot
The fixed sliding sleeve bearing 13 in direction, annular elongated slot is machined with upwards two taper platforms, the case hardened process of taper platform, first
The conical surface of individual taper platform is engaged with the male cone (strobilus masculinus) of annular glue dish 7, the conical surface of second taper platform and the male cone (strobilus masculinus) of arrow formula valve element 5
It is engaged, conical surface seal pair is formed respectively.
Sliding sleeve 12 is a circular tube shaped, and there is a boss at its middle part, boss with diameter greater than the circular tube shaped part of sliding sleeve bearing 13
External diameter, boss supported on top spring 9, there is a step on the periphery on boss top, and step top is limiting stand 10, sliding sleeve
The middle part of bearing 13 is a circular tube shaped, and its upper surface is provided with downwards a radial slot --- dismounting groove 14, the boss bottom Jing of sliding sleeve 12
Dismounting groove 14 loads its endoporus, the radial rib for having symmetrical two up-narrow and down-wide perpendicular with dismounting groove 14, footpath on its periphery
It is disc to the outside of muscle, the disc and its lower surface are engaged with the annular elongated slot bottom on the endoporus of valve seat 3 and are fixed as one.
Arrow formula valve element 5 is one cylindric, and there is a boss on top, is taper seat above boss, and taper seat Jing surfaces are hard
Change process, have one normal direction cannelure on taper seat, groove built with sealing ring B 6, boss bottom be sequentially arranged with annular glue dish 7,
Pressure ring 8, spring 9, there is a step on the downward periphery of boss, step inserts sliding sleeve 12 with the latter half of lower cylindrical section
Endoporus, contacts spacing by limiting stand 10 with the step surface of arrow formula valve element 5.
Valve body 1 is a circular tube shaped, and two ends are threaded, and endoporus is machined with a step.
Sealing ring A 4 is ring-shaped rubber sealing ring, is a circular tube shaped, and its is cylindrical for taper seat, and conical surface small end endoporus has one
Boss.
Annular glue dish 7 is a truncated cone-shaped, and there is circular hole at center, and the big end endoporus of the conical surface has a step and its inner headed face is circular cone
Shape.
Glue ring 15 is a short circular tube shaped, and endoporus has a step, and roots Level has a cannelure.
Sealing ring B 6 is O-ring, and material is oil-resistant high temperature-resistanrubber rubber.
Embodiment two：
From unlike example one, twice annular square groove is arranged at the periphery top of valve seat 3.
Without step on the periphery on the boss top of sliding sleeve 12, there is one on the downward periphery of the radial rib of sliding sleeve bearing 13
Downward taper platform, the step that a step, bottom is respectively arranged at endoporus middle part and bottom is called limiting stand 10.
Arrow formula valve element 5 contacts spacing by limiting stand 10 with the lower surface of arrow formula valve element 5.
Sealing ring A 4 is O-ring.
The material of sealing ring B 6 is politef.
The oil drilling for assembling is accessed into drill string with arrow formula drilling tool float valve, slurry channel is connected, slush pump, mud is opened
The endoporus of oil drilling arrow formula drilling tool float valve valve body 1 is entered from top, hydraulic drive arrow formula valve element 5 is descending, band dynamic seal ring B
6, promote annular glue dish 7, pressure ring 8 to overcome the elastic force of spring 9 to move down, when the end contact of arrow formula valve element 5 is to limiting stand 10, stop
Only move down, while spring 9 is protected, reach the maximum compressibility of setting, the taper seat, sealing ring B 6, ring when arrow formula valve element 5
The conical surface of shape glue dish 7 departs from after two taper platforms of valve seat 3, and mud is by the endoporus by valve body 1, the endoporus of valve seat 3, arrow formula valve
The taper seat and periphery of core 5, sealing ring B 6, the conical surface, the bottom surface of pressure ring 8, the periphery of sliding sleeve 12, the sliding sleeve of annular glue dish 7
The new slurry channel of the outer surface of bearing 13, the endoporus composition of glue ring 15, into lower drilling tool.
When there is overflow, well kick, blowout in termination of pumping, round trip, reacting cycle, down-hole, pressure ring 8, annular glue dish 7, arrow
Formula valve element 5, sealing ring B 6, in the presence of the elastic force or bottom mud pressure of spring 9 on move, when the circular cone of arrow formula valve element 5
Face, sealing ring B 6, the conical surface of annular glue dish 7 contact to be formed after sealing pair with two taper platforms of valve seat 3 respectively, close new mud
Slurry passage, the pressure of bottom cannot pass to top, so as to prevent drilling fluid return, prevent silt from entering drill string, serve anti-
The stifled, purpose of blowout prevention.
Both examples above is the typical embodiment of this utility model, rather than the embodiment of whole, the one of this area
As technical staff changed or disassembled according to scheme of the present utility model and to the profile of the part accessory in this utility model,
Various embodiments can be made, in the case where its function is not changed, is all considered as protection domain of the present utility model.
Claims (8)
1. oil drilling arrow formula drilling tool float valve, it includes valve body (1), valve seat（3）, sealing ring A (4), arrow formula valve element (5), ring
Shape glue dish（7）, pressure ring（8）, spring（9）, sliding sleeve（12）, it is characterized in that also added with pressing plate groove（2）, sealing ring B（6）, limiting stand
（10）, gathering hole（11）, sliding sleeve bearing（13）, dismounting groove（14）, glue ring（15）, the remaining part in addition to valve body (1) constitutes floating
Valve element, float valve core loads valve body（1）Endoporus step top, valve seat（3）For a circular tube shaped, periphery top have one L annular and
One reverse L cannelure or twice annular square groove, groove is provided with the elongated hole of inside and outside connection built with sealing ring A (4), periphery middle part --
Gathering hole（11）, the root that a concave station, concave station is arranged at periphery bottom has a cannelure, equipped with glue at this concave station and cannelure
Ring（15）, it is provided with equally distributed three radial direction square grooves on upper surface downwards -- pressing plate groove（2）, taper chamfering is arranged at endoporus top,
Endoporus is in gathering hole（11）There is annular elongated slot at position, in the bottom of annular elongated slot and gathering hole（11）Perpendicular direction is fixed
Sliding sleeve bearing（13）, annular elongated slot is machined with upwards two taper platforms, the case hardened process of taper platform, first taper platform
The conical surface and annular glue dish（7）Male cone (strobilus masculinus) be engaged, the conical surface of second taper platform matches with the male cone (strobilus masculinus) of arrow formula valve element (5)
Close, conical surface seal pair is formed respectively.
2. oil drilling according to claim 1 arrow formula drilling tool float valve, is characterized in that sliding sleeve（12）With sliding sleeve bearing
（13）Structure have two kinds, one：Sliding sleeve（12）For a circular tube shaped, there is a boss at its middle part, boss with diameter greater than sliding sleeve bearing
（13）The external diameter of circular tube shaped part, boss supported on top spring（9）, there is a step, step on the periphery on boss top
Top is limiting stand（10）, sliding sleeve bearing（13）Middle part is a circular tube shaped, and its upper surface is provided with downwards a radial slot -- dismounting
Groove（14）, sliding sleeve（12）Boss bottom Jing dismounting grooves（14）Load its endoporus, with dismounting groove on its periphery（14）It is perpendicular to have
Two symmetrical up-narrow and down-wide radial ribs, the outside of radial rib is disc, the disc and its lower surface and valve seat（3）On endoporus
Annular elongated slot bottom be engaged and be fixed as one；Two：From unlike one, sliding sleeve（12）Do not have on the periphery on boss top
Step, sliding sleeve bearing（13）There is a downward taper platform on the downward periphery of radial rib, endoporus middle part and bottom respectively have one
Individual step, the step of bottom is called limiting stand（10）.
3. oil drilling according to claim 1 and 2 arrow formula drilling tool float valve, is characterized in that arrow formula valve element (5) for a circle
There is a boss on column, top, is taper seat above boss, and taper seat case hardened process has one normal direction on taper seat
Cannelure, groove is built with sealing ring B（6）, boss bottom is sequentially arranged with annular glue dish（7）, pressure ring（8）, spring（9）, boss to
Under periphery on have a step, step inserts sliding sleeve with the latter half of lower cylindrical section（12）Endoporus, its axial limiting
Mode has two kinds, and one：By limiting stand（10）Contact spacing with the step surface of arrow formula valve element (5)；Two：By limiting stand（10）With arrow formula
The lower surface contact of valve element (5) is spacing.
4. oil drilling according to claim 1 arrow formula drilling tool float valve, is characterized in that valve body (1) for a circular tube shaped, two
End is threaded, and endoporus is machined with a step.
5. oil drilling according to claim 1 arrow formula drilling tool float valve, is characterized in that sealing ring A (4) is ring-shaped rubber
Sealing ring, its structure has two kinds, and one：Sealing ring A (4) is a circular tube shaped, and its is cylindrical for taper seat, and conical surface small end endoporus has one convex
Platform；Two：Sealing ring A (4) is O-ring.
6. oil drilling according to claim 1 arrow formula drilling tool float valve, is characterized in that annular glue dish（7）For a round platform
There is circular hole at shape, center, and the big end endoporus of the conical surface has a step and its inner headed face is cone.
7. oil drilling according to claim 1 arrow formula drilling tool float valve, is characterized in that glue ring（15）For a short circular tube shaped,
Endoporus has a step, and roots Level has a cannelure.
8. oil drilling according to claim 1 arrow formula drilling tool float valve, is characterized in that sealing ring B（6）For O-ring, material
Expect for oil-resistant high temperature-resistanrubber rubber or politef.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620964506.9U CN206174899U (en) | 2016-08-29 | 2016-08-29 | Arrow formula drilling tool floating valve for oil drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620964506.9U CN206174899U (en) | 2016-08-29 | 2016-08-29 | Arrow formula drilling tool floating valve for oil drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206174899U true CN206174899U (en) | 2017-05-17 |
Family
ID=60241672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620964506.9U Active CN206174899U (en) | 2016-08-29 | 2016-08-29 | Arrow formula drilling tool floating valve for oil drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206174899U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089135A (en) * | 2016-08-29 | 2016-11-09 | 东营市创元石油机械制造有限公司 | Oil drilling arrow formula drilling tool float valve |
| CN108979582A (en) * | 2018-08-31 | 2018-12-11 | 四川昆仑石油设备制造有限公司 | One kind is with brill blowout hookup |
| CN113882820A (en) * | 2021-12-08 | 2022-01-04 | 西南石油大学 | Blowout prevention valve in drilling tool |
-
2016
- 2016-08-29 CN CN201620964506.9U patent/CN206174899U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089135A (en) * | 2016-08-29 | 2016-11-09 | 东营市创元石油机械制造有限公司 | Oil drilling arrow formula drilling tool float valve |
| CN108979582A (en) * | 2018-08-31 | 2018-12-11 | 四川昆仑石油设备制造有限公司 | One kind is with brill blowout hookup |
| CN113882820A (en) * | 2021-12-08 | 2022-01-04 | 西南石油大学 | Blowout prevention valve in drilling tool |
| CN113882820B (en) * | 2021-12-08 | 2022-02-22 | 西南石油大学 | Blowout prevention valve in drilling tool |
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