CN207485396U - A kind of suitable high temperature High water cut heavy oil wells polished rod sealer - Google Patents
A kind of suitable high temperature High water cut heavy oil wells polished rod sealer Download PDFInfo
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- CN207485396U CN207485396U CN201721503342.0U CN201721503342U CN207485396U CN 207485396 U CN207485396 U CN 207485396U CN 201721503342 U CN201721503342 U CN 201721503342U CN 207485396 U CN207485396 U CN 207485396U
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Abstract
The utility model discloses a kind of suitable high temperature High water cut heavy oil wells polished rod sealers, including packing assemblies, the packing assemblies include the secondary seal set being connected up and down, primary seal set, setting double end cone packing in the primary seal set, the double end cone packing center opens up through-hole, and double end cone packing upper surface and lower face are the conical surface, the conical surface that the conical surface of the double end cone packing upper surface is opened up with secondary seal set lower face fits sealing, the conical surface platform that the conical surface of the double end cone packing lower face is opened up with primary seal set inner wall fits sealing.The utility model has the function of bias adjusting function and blowout prevention, preferably solves thick oil thermal extraction polished rod seal Problem of Failure.
Description
Technical field
The utility model is related to thick oil well mouth sealing technique, specifically a kind of suitable high temperature High water cut heavy oil wells light
Rod sealer.
Background technology
At present, viscous crude occupies very big proportion in World's Oil and Gas Resources, and main mining type is adopted for heating power at present
Oil, both steam soak mode development.After thick oil thermal extraction produces more rounds, turn pumping initial stage drainage period and extend (15-20 days), well head
Aqueous height (95%), in the case of shutting down electrical heating, wellhead temperature is still up to 100 DEG C, wellhead packing box (wellhead sealing device) sealing
Time is short, need to frequently install packing additional, rate when seriously affecting oil recovery, especially for set bad sand output well, increases well risk of lying.Frequently add
Sabot root, rate when seriously affecting oil recovery, and serious easily cause well of lying when stopping well for shaking out.Conventional high-temperature polished rod seal
Device, static seal device have normally lost its effect in production, packing box often occur it is poorly sealed well head is caused to leak, it is uncomfortable
Answer current safety and environmental protection requirement.
Through patent searching document, currently used for the polish rod seal device (Publication No. CN1737326A) of viscous crude, structure
Feature all has dramatically different with this patent, and its function has not been suitable for the well head operating mode of current High water cut high temperature.
Utility model content
The purpose of this utility model is to provide a kind of suitable high temperature High water cut heavy oil wells polished rod sealers, have tuningout work(
Thick oil thermal extraction polished rod seal Problem of Failure can be preferably solved with blowout prevention function.
In order to achieve the above objectives, the utility model employs following technical solution, a kind of suitable high temperature High water cut viscous crude
Well polished rod sealer, including packing assemblies, the packing assemblies include the secondary seal set being connected up and down, level-one
Sealing shroud, the interior setting double end cone packing of primary seal set, the double end cone packing center opens up through-hole, and double end is bored
Body disc root upper surface and lower face are the conical surface, and the conical surface and the secondary seal set lower face of the double end cone packing upper surface are opened
If the conical surface fit sealing, the conical surface platform phase that the conical surface and primary seal the set inner wall of the double end cone packing lower face opens up
Gluing, sealing.
The secondary seal puts on port setting Glan circle.
The secondary seal set inner wall opens up land, and wear-resistant gasket is placed in land, 4~5 are placed again on wear-resistant gasket
〇 type high temperature resistant packings.
The outer drain assembly of packing assemblies upper end connection pressure cap, the outer drain assembly of the pressure cap include blowdown set,
Upper pressing cap, blow-off line, the blowdown set upper side connect upper pressing cap, lower end connection packing assemblies, and the blowdown set opens up
The mudhole of radial direction, mudhole connection blow-off line.
Further include the blowout prevention seal assembly for being connected to packing assemblies bottom end, the axis and disk of the blowout prevention seal assembly
The axis perpendicular of root seal assembly, the blowout prevention seal assembly include sealing drum, adjusting screw, seal, rubber gate, institute
It states sealing drum and opens up radial direction through hole, the rubber gate is divided into two pieces of left and right, is placed in sealing drum, two pieces of rubber gate phases
Docking can block the radial direction through hole that sealing drum opens up after fastening, and the outer end of two pieces of rubber gates is all connected with seal, seal
Outer end reconnect adjusting screw, be additionally provided in the sealing drum and the matched silk braid of adjusting screw, the seal circle
Peripheral wall sets sealing ring, is formed and sealed with sealing drum inner wall, and the adjusting screw rotates in silk braid drives seal sealing
It is moved axially in cylinder, seal drives rubber gate to make axial pulling motion in sealing drum again, makes rubber gate to sealing drum
The radial direction through hole opened up, which is realized, to be opened and closed.
Universal tuningout component is further included, the universal tuningout component is connected to blowout prevention seal assembly lower end and is sealed with blowout prevention
The radial direction through hole connection that component opens up.
The universal tuningout component includes seal disc, universal device for adjusting deviation, under the seal disc is connected by universal device for adjusting deviation
The hoop of side, sealing ring is provided between the seal disc bottom surface and hoop.
The universal device for adjusting deviation inner wall opens up a ring annular groove, and sealing ring is installed in annular groove.
Compared to the prior art, the utility model has the advantages that：
First, double end cone packing and " 〇 " type high temperature resistant packing are applied in combination, considerably increase packing uses the longevity
It orders, is 15~20 times of common packing.Second is that packing axial compressive force can at any time be adjusted according to oil well condition, increase power-assisted outside pressure cap
Handle, can quick adjusting elasticity, make packing that can not only be close to polished rod, but also the packing abrasion that excessive friction brings, sealing can be reduced
Effect is fine.Third, pressure cap ontology increases outer dirt-discharging elbow, rubber hose can be connected, sewage disposal barrel is flowed into when packing fails, prevented
Only well head environmental pollution.Fourth, and have 360 degree of tuningout locking functions, polished rod is made to be directed at well head center always.Since sealing is imitated
Fruit is fine, and polished rod leakage is reduced, and three mark of scene and Environmental Protection Level are promoted, and substantially reduce worker's labor intensity.The apparatus function is neat
Entirely, high temperature, the sealing of High water cut thick oil thermal production well mouth polish rod are applicable not only to, and suitable for other kinds pumping well head.
Description of the drawings
Fig. 1 is a kind of structure diagram of suitable high temperature High water cut heavy oil wells polished rod sealer.
In figure：1st, upper pressing cap；2nd, blowdown apparatus；3rd, blow-off line；4th, Glan circle；5th, secondary seal set；6th, wear-resistant gasket；
7th, primary seal set；8th, double end cone packing；9th, sealing drum；10th, adjusting screw；11st, seal；12nd, rubber gate；13rd, it is close
Closing disk；14th, universal device for adjusting deviation；15th, hoop.
Specific embodiment
Detailed description and technology contents in relation to the utility model, cooperation description of the drawings is as follows, however attached drawing is only to refer to
With purposes of discussion, not it is used for limiting the utility model.
Embodiment 1：
As shown in Figure 1, a kind of suitable high temperature High water cut heavy oil wells polished rod sealer, including packing assemblies, pressure cap
Outer drain assembly, blowout prevention seal assembly, universal tuningout component, wherein only blowout prevention seal assembly is laterally sets, polished rod seal
Device ontology appearance upper pressing cap 1 increases drain outlet 3, is followed successively by copper Glan circle 4, secondary seal set 5, primary seal set downwards
7, spray seal assembly, universal device for adjusting deviation 14, hoop 15 are taken over control downwards.Packing box body upper part screw thread connects with packing pressure cap
It connects, lower part is connect by screw thread with double-vane blowout prevention seal assembly.Blowout prevention seal assembly lower part welding manner and universal device for adjusting deviation
14 connections.14 lower part of device for adjusting deviation is connect with hoop 15 with wellhead tee joint thimble connector.
It is followed successively by copper Glan circle 4, " 〇 " type high temperature resistant packing, double end cone disk from top to bottom inside secondary seal set 5
Root 8.The installation double end cone packing 8 in secondary seal set 5 with primary seal set 7, wherein cone packing 6 are the important portion of the present invention
Part, it is taper section to cover 5 lower ends to cover 7 upper ends with primary seal in secondary seal, can be combined closely with tapered packing 6, with
Screw thread the more is pressed the more tight.
Blowout prevention seal assembly is made of sealing drum 9, adjusting screw 10, seal 11, rubber gate 12, after channeling closing well,
Well head oil pressure is more than 3MPa, during packing dynamic sealing partial failure, using the blowout prevention seal assembly of the Double-wing, passes through adjusting screw
10 closing rubber gates 12 play the role of blowout prevention.Be additionally provided in the sealing drum with the matched silk braid of adjusting screw, it is described
Seal circumferential wall sets sealing ring, is formed and sealed with sealing drum inner wall, and the adjusting screw rotates drive sealing in silk braid
Body moves axially in sealing drum, and seal drives rubber gate to make axial pulling motion in sealing drum again, makes rubber gate
The radial direction through hole that sealing drum opens up is realized and is opened and closed.
Universal 12 part of device for adjusting deviation by tightening seal disc 13 and 15 screw thread of hoop, makes the height of 13 inner face of seal disc
Warm cushion rubber is in close contact with hoop 15, plays sealing function.The universal device for adjusting deviation inner wall opens up a ring annular groove, annular groove
Interior installation sealing ring prevents grease from being leaked from device for adjusting deviation.
Packing box body upper part screw thread is connect with packing pressure cap, and lower part is connected by screw thread and double-vane blowout prevention seal assembly
It connects.Double-vane blowout prevention seal assembly lower weld mode is connect with universal device for adjusting deviation.Device for adjusting deviation lower part hoop and wellhead tee joint
Hoop connects.Above-mentioned packing pressure cap connects outer blow-off line, can connect rubber hose, sewage disposal barrel is flowed into when packing fails,
Prevent well head environmental pollution.
Above-mentioned packing_seal part is successively by secondary seal set, primary seal set composition.Wherein bottom in secondary seal set
There is a wear-resistant gasket, 4~5 " 〇 " type high temperature resistant packings are installed, secondary seal set inner cavity lower face is taper, and inside installs one
A double end cone packing.Above-mentioned blowout prevention hermetic unit is double-vane blowout prevention seal assembly, mainly by semicircle rubber gate, adjusting silk
Thick stick forms.Above-mentioned universal deviation correcting device is made of seal disc, " 〇 " type sealing ring, universal device for adjusting deviation.
Upper pressing cap 1 increases blow-off line 2, connects secondary seal set 5, primary seal set 7, double-vane blowout prevention sealing group successively downwards
Part, universal device for adjusting deviation 14.Inside is followed successively by copper upper Glan pressure pad 4, " 〇 " type high temperature resistant packing, double end cone from top to bottom
Packing 8.Packing upper pressing cap connects outer drain outlet 2, can connect rubber hose, flow into sewage disposal barrel when packing fails, prevent well
Mouth environmental pollution.Packing_seal part covers 5 by secondary seal successively, 7 composition of primary seal set.Bottom has one in secondary seal set
Wear-resistant gasket 6 installs 4~5 " 〇 " type high temperature resistant packings, and secondary seal set inner cavity lower face is taper surface, and primary seal covers 7
Upper surface is taper surface, one double end cone packing 8 of inside installation.The double end cone packing be the utility model most it is original it
Place, plays sealing function well.Primary seal set 7 is downwards double-vane blowout prevention seal assembly mainly by semicircle rubber gate
12nd, adjusting screw 10.Double-vane blowout prevention seal assembly lower part connects seal disc, universal device for adjusting deviation, and closing disk is embedded in " 〇 " type sealing ring.
After oil well rope suspending hangs up properly load, universal device for adjusting deviation is tightened after adjusting one stroke of polished rod, seal disc and universal device for adjusting deviation are close
With reference to being not in leakage scenarios.Glan circle, seal disc etc. set high-temperature seal ring in the sealer, play well close
Envelope acts on.
Being applied in combination for double end cone packing and " 〇 " type high temperature resistant packing, considerably increases the service life of packing；Ten thousand
Packing eccentric wear can be prevented to regulating sealer, extends packing service life, sealing effect is good；It is curved that pressure cap ontology increases outer blowdown
Head can connect rubber hose, and sewage disposal barrel is flowed into when packing fails, and prevent well head environmental pollution, and adapting to current safety and environmental protection will
It asks, particularly suitable for High water cut, high-heat heavy crude thermal production well well head.
Embodiment 2：
As shown in Figure 1, a kind of suitable high temperature High water cut heavy oil wells polished rod sealer, including packing assemblies, blowout prevention
Seal assembly, universal tuningout component, wherein only laterally to set, polished rod sealer ontology is followed successively by downwards blowout prevention seal assembly
Secondary seal set 5, primary seal set 7, take over control downwards spray seal assembly, universal device for adjusting deviation 14, hoop 15.Under packing box body
Portion is connect by screw thread with blowout prevention seal assembly.Blowout prevention seal assembly lower part welding manner is connect with universal device for adjusting deviation 14.It adjusts
Inclined 14 lower part of device is connect with hoop 15 with wellhead tee joint thimble connector.
5 inside of secondary seal set is double end cone packing 8.Wherein cone packing 6 is the utility model important component, two
It is taper section that grade 5 lower end of sealing shroud covers 7 upper ends with primary seal, can combine closely with tapered packing 6, more be pressed with screw thread
It is tighter.
Blowout prevention seal assembly is made of sealing drum 9, adjusting screw 10, seal 11, rubber gate 12, after channeling closing well,
Well head oil pressure is more than 3MPa, during packing dynamic sealing partial failure, using the blowout prevention seal assembly of the Double-wing, passes through adjusting screw
10 closing rubber gates 12 play the role of blowout prevention.Be additionally provided in the sealing drum with the matched silk braid of adjusting screw, it is described
Seal circumferential wall sets sealing ring, is formed and sealed with sealing drum inner wall, and the adjusting screw rotates drive sealing in silk braid
Body moves axially in sealing drum, and seal drives rubber gate to make axial pulling motion in sealing drum again, makes rubber gate
The radial direction through hole that sealing drum opens up is realized and is opened and closed.
Universal 12 part of device for adjusting deviation by tightening seal disc 13 and 15 screw thread of hoop, makes the height of 13 inner face of seal disc
Warm cushion rubber is in close contact with hoop 15, plays sealing function.
The above is only the preferred embodiment of the present invention, non-to limit the scope of the claims of the utility model,
He uses the equivalence changes of the utility model patent spirit, should all belong to the scope of the claims of the utility model.
Claims (8)
1. a kind of suitable high temperature High water cut heavy oil wells polished rod sealer, including packing assemblies, which is characterized in that the packing
Seal assembly includes the secondary seal set, the primary seal set that are connected up and down, and double end cone disk is set in the primary seal set
Root, the double end cone packing center opens up through-hole, and double end cone packing upper surface and lower face are the conical surface, the double end
The conical surface that the conical surface of cone packing upper surface is opened up with secondary seal set lower face fits sealing, under the double end cone packing
The conical surface platform that the conical surface of end face is opened up with primary seal set inner wall fits sealing.
2. a kind of suitable high temperature High water cut heavy oil wells polished rod sealer according to claim 1, which is characterized in that described two
Grade sealing shroud upper port setting Glan circle.
3. a kind of suitable high temperature High water cut heavy oil wells polished rod sealer according to claim 1, which is characterized in that described two
Grade sealing shroud inner wall opens up land, and wear-resistant gasket is placed in land, places 4~5 〇 type high temperature resistant packings on wear-resistant gasket again.
4. a kind of suitable high temperature High water cut heavy oil wells polished rod sealer according to claims 1 or 2 or 3, which is characterized in that
The outer drain assembly of packing assemblies upper end connection pressure cap, the outer drain assembly of the pressure cap include blowdown set, upper pressing cap, row
Dirty pipeline, the blowdown set upper side connect upper pressing cap, lower end connection packing assemblies, and the blowdown set opens up the blowdown of radial direction
Hole, mudhole connection blow-off line.
5. a kind of suitable high temperature High water cut heavy oil wells polished rod sealer according to claims 1 or 2 or 3, which is characterized in that
Further include the blowout prevention seal assembly for being connected to packing assemblies bottom end, axis and the packing_seal group of the blowout prevention seal assembly
The axis perpendicular of part, the blowout prevention seal assembly include sealing drum, adjusting screw, seal, rubber gate, the sealing drum
Radial direction through hole is opened up, the rubber gate is divided into two pieces of left and right, is placed in sealing drum, two pieces of rubber gates are connected to each other fastening
The radial direction through hole that sealing drum opens up can be blocked afterwards, and the outer end of two pieces of rubber gates is all connected with seal, and the outer end of seal is again
Adjusting screw is connected, is additionally provided in the sealing drum and the matched silk braid of adjusting screw, the seal circumferential wall setting
Sealing ring is formed with sealing drum inner wall and is sealed, and the adjusting screw rotates in silk braid drives seal axial in sealing drum
Mobile, seal drives rubber gate to make axial pulling motion, the diameter that rubber gate is made to open up sealing drum in sealing drum again
It realizes and opens and closes to through hole.
6. a kind of suitable high temperature High water cut heavy oil wells polished rod sealer according to claim 5, which is characterized in that further include
Universal tuningout component, the universal tuningout component are connected to blowout prevention seal assembly lower end and the radial direction opened up with blowout prevention seal assembly
Through hole connects.
7. a kind of suitable high temperature High water cut heavy oil wells polished rod sealer according to claim 6, which is characterized in that described ten thousand
Include seal disc, universal device for adjusting deviation to tuningout component, the seal disc is described by the hoop below the connection of universal device for adjusting deviation
Sealing ring is provided between seal disc bottom surface and hoop.
8. a kind of suitable high temperature High water cut heavy oil wells polished rod sealer according to claim 7, which is characterized in that described ten thousand
A ring annular groove is opened up to device for adjusting deviation inner wall, sealing ring is installed in annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721503342.0U CN207485396U (en) | 2017-11-13 | 2017-11-13 | A kind of suitable high temperature High water cut heavy oil wells polished rod sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721503342.0U CN207485396U (en) | 2017-11-13 | 2017-11-13 | A kind of suitable high temperature High water cut heavy oil wells polished rod sealer |
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| Publication Number | Publication Date |
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| CN207485396U true CN207485396U (en) | 2018-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721503342.0U Active CN207485396U (en) | 2017-11-13 | 2017-11-13 | A kind of suitable high temperature High water cut heavy oil wells polished rod sealer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661590A (en) * | 2018-08-01 | 2018-10-16 | 陕西鸿美实业有限公司 | High pressure is flexible coupling polished rod sealer |
-
2017
- 2017-11-13 CN CN201721503342.0U patent/CN207485396U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661590A (en) * | 2018-08-01 | 2018-10-16 | 陕西鸿美实业有限公司 | High pressure is flexible coupling polished rod sealer |
| CN108661590B (en) * | 2018-08-01 | 2023-11-24 | 陕西鸿美实业有限公司 | High-pressure flexible connection polish rod sealer |
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