CN209494541U - Integral type oil gas well blowout is out of control and is speedily carried out rescue work with end flange - Google Patents
Integral type oil gas well blowout is out of control and is speedily carried out rescue work with end flange Download PDFInfo
- Publication number
- CN209494541U CN209494541U CN201821966874.2U CN201821966874U CN209494541U CN 209494541 U CN209494541 U CN 209494541U CN 201821966874 U CN201821966874 U CN 201821966874U CN 209494541 U CN209494541 U CN 209494541U
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- Prior art keywords
- spring
- slips
- rescue work
- gas well
- lock block
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- 238000007789 sealing Methods 0.000 claims abstract description 25
- 238000005520 cutting process Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 13
- 238000009434 installation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 229910000639 Spring steel Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 240000005546 Piper methysticum Species 0.000 description 1
- 235000016787 Piper methysticum Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000010730 cutting oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001535 kindling effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
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Abstract
The utility model discloses an integral type oil gas well blowout is out of control and is speedily carried out rescue work and use end flange is applicable to the reset well head operation of cutting sleeve pipe back oil gas well blowout out of control speedily carried out rescue work operation. It includes: body, slips, spring, O type sealing washer, spring pressing block, skeleton seal circle, prevent sinking the locating piece, the body is equipped with big-end-up's toper inner chamber, and the slips is installed in toper inner chamber and auto-lock, and the slips middle part is equipped with and is used for the sleeve pipe to pass and the complex opening, and spring housing is on the upper portion of slips and the spring is by spring pressing block precompression, and O type sealing washer is installed in spring pressing block's outer lane, and spring pressing block fixes on the body, and skeleton seal circle installs in spring pressing block's inner circle, and spring pressing block's upper portion is arranged in to prevent sinking the locating. The utility model discloses connect the lower extreme at new wellhead assembly, once only snatch the dress wellhead, improve and snatch dress wellhead operation efficiency, reduce the number of times that the personnel of speedily carrying out rescue work are close to the well head operation.
Description
Technical field
The utility model relates to a kind of integral type oil/gas well blowout out of control to speedily carry out rescue work with bottom flange, after being suitable for Casing-Cutting
Oil/gas well blowout out of control is speedily carried out rescue work the resetting shaft mouth operation of operation.
Background technique
When blowout out of control kindling occurs for oil/gas well, it is often the case that wellsite facility damage, well head damage.Its rescue
Common practice is: the cooling shielding of well head, equipment of speedily carrying out rescue work, personnel removes the installations and facilities around well head, then cuts well
Mouthful.Basis reconnoitres situation and determines well head cutting position before cutting well head, if well head bottom flange does not damage, from well head bottom flange
Top four-way cuts well head, takes to rob after four-way lower flange and fills new well head.If well head bottom flange damages, covered in bottom flange lower part
Well head is cut at pipe.
Currently, being directed to the usual way that after blowout out of control well Casing-Cutting or the well head of light sleeve is reset is: installation
Anti-settling dead card robs dress two-flap type emergency casing head, the new well head of resetting.
Such as Publication No. CN108412447A, publication date is that the Chinese patent literature on the 17th of August in 2018 discloses one kind
Oil/gas well blowout out of control is speedily carried out rescue work with wellhead assembly comprising ontology, bobbin seal assembly, slips assembly, is prevented fully closed seal assembly
Heavy slips, lock shaft, hydraulic cylinder, locking axle bed and side door, the ontology are seated on anti-settling slips, and multiple side doors are connected to
On ontology, it is mounted on hydraulic cylinder in each side door, liquid presses piston pole is installed in hydraulic cylinder, liquid presses piston pole front end connects
Connect fully closed seal assembly, bobbin seal assembly and slips assembly, be provided with three chambers in the ontology, three chambers on to
Under be successively arranged the fully closed seal assembly, bobbin seal assembly and slips assembly, locking axle bed is connected on side door, lock shaft
Lock shaft is installed on seat, is axially provided with collar aperture along ontology, casing is located in collar aperture.It, can be significant using the utility model
Installing wellhead operating efficiency is improved, reduces emergency personnel close to the number of shaft mouth operation.
Using above patent document as representative using wellhead assembly remapping method the step of it is more, need the emergency personnel more
Secondary, the nearly shaft mouth operation of long-time, risk is big, low efficiency.
Utility model content
The utility model is intended to provide a kind of integral type oil/gas well for defect and deficiency present in the above-mentioned prior art
Blowout out of control is speedily carried out rescue work with bottom flange, and the utility model is connected to the lower end of new wellhead assembly, disposable installing wellhead, and dress is robbed in raising
Shaft mouth operation efficiency reduces emergency personnel close to the number of shaft mouth operation.
The utility model is realized by using following technical proposals:
A kind of integral type oil/gas well blowout out of control is speedily carried out rescue work with bottom flange, it is characterised in that: comprising: ontology, slips, bullet
Spring, O-ring seal, spring lock block, backbone sealing ring, anti-settling locating piece, the ontology are equipped with up big and down small conical internal cavity, card
It watt is installed in conical internal cavity and self-locking, the opening for passing through and cooperating for casing is equipped in the middle part of slips, spring pocket is in slips
Top and spring is by spring lock block precommpression, O-ring seal is mounted on the outer ring of spring lock block, and spring lock block is fixed on ontology
On, backbone sealing ring is mounted in the inner ring of spring lock block, and anti-settling locating piece is placed in the top of spring lock block, and anti-settling locating piece
It fixes on the body.
Spring lock block is fixed on the body by spring lock block fixing bolt.
Anti-settling locating piece connects bolt with anti-settling locating piece and fixes on the body.
Compared with prior art, the utility model is achieved has the beneficial effect that:
1, bottom flange is provided with slips, can shrink or amplify according to the size of the casing of installation, spring is solid to slips one
Fixed pretightning force, slips have self-locking function, and upward power is bigger, and clamping force is bigger.Bone is used between casing and the utility model
The sealing of frame sealing ring, there is well pressure to help envelope effect.The utility model once completes well head after connecting with new well head and robs dress, can be effective
Emergency personnel is reduced close to the number of shaft mouth operation, operating risk is reduced, improves operating efficiency.
The utility model is speedily carried out rescue work by O-ring seal and backbone sealing ring sealing sleeve pipe and oil/gas well blowout out of control with bottom method
Orchid reaches once mounting and realizes casing clamping and sealing.Flange body is equipped with conical internal cavity room for installing slips, taper chamber
Taper angle meet self-locking requirement.Slip design has opening, and clamping set can be shunk or amplified according to the size of the casing of installation
Pipe.With the pretightning force of spring by the pre- clamping of slips and casing.Backbone sealing ring prevents borehole fluid from spring lock block and casing
Between spray.
Detailed description of the invention
Below in conjunction with specification drawings and specific embodiments, the utility model is described in further detail,
In:
Fig. 1 is that integral type oil/gas well blowout out of control is speedily carried out rescue work with bottom flange arrangement schematic diagram；
Fig. 2 is kava structure schematic diagram；
Fig. 3 is backbone sealing ring structural schematic diagram.
Marked in the figure:
1, ontology, 1a, connecting screw hole, 1b, gasket ring slot, 2, slips, 3, spring, 4, O-ring seal, 5, spring lock block, 6,
Backbone sealing ring, 7, spring lock block fixing bolt, 8, anti-settling locating piece, 9, anti-settling locating piece connection bolt, 10, casing, 11, platform
Rank, 12, hole, 13, slot, 14, through slot, 15, cylindrical body, 16, cone, 17, tooth, 21, skeleton, 22, rubber, 23, spring steel
Piece.
Specific embodiment
Embodiment 1
As a better embodiment of the invention, it discloses a kind of blowout out of control wellhead assembly remapping method, designs
A kind of integral type oil/gas well blowout out of control is speedily carried out rescue work with bottom flange, is connected in new wellhead assembly lower part, with well head reset apparatus
They are pressurizeed and is packed on light casing 10, realizes 10 clamping of casing and sealing.
When Casing-Cutting 10, casing 10 is cut off using beveling machine, while pouring out groove in 10 top surface of casing, facilitate integral type
Oil/gas well blowout out of control, which is speedily carried out rescue work, is packed into casing 10 with bottom flange, avoids the damage speedily carried out rescue work with bottom flange sealing element.
The blowout out of control, which is speedily carried out rescue work, can be shunk or be amplified according to the size of the casing 10 of installation with bottom flange, and spring 3 gives slips 2
One fixed pretightning force, basket slips 2 have self-locking function, and upward power is bigger, and clamping force is bigger.
Casing 10 and integral type oil/gas well blowout out of control are speedily carried out rescue work uses backbone sealing ring 6 to seal between the flange of bottom, has
Well pressure helps envelope to act on.
Embodiment 2
As another better embodiment of the invention, it discloses integral type oil/gas well blowout out of control to speedily carry out rescue work with bottom method
It is blue comprising: ontology 1, slips 2, spring 3, O-ring seal 4, spring lock block 5, backbone sealing ring 6, anti-settling locating piece 8, it is described
Ontology 1 be equipped with up big and down small conical internal cavity, slips 2 be installed on it is in conical internal cavity and self-locking, in the middle part of slips 2 be equipped be used for casing
10 openings for passing through and cooperating, 3 sets of spring slips 2 top and spring 3 by 5 precommpression of spring lock block, O-ring seal 4 is pacified
Mounted in the outer ring of spring lock block 5, spring lock block 5 is fixed on ontology 1, and backbone sealing ring 6 is mounted on the inner ring of spring lock block 5
In, anti-settling locating piece 8 is placed in the top of spring lock block 5, and anti-settling locating piece 8 is fixed on ontology 1.
Ontology 1, which designs, has connecting screw hole 1a and gasket ring slot 1b for being connected and fixed and sealing with new well head.
Slips 2 is basket.Ontology 1 is equipped with conical internal cavity room for installing slips 2, and the taper angle of taper chamber meets self-locking
It is required that.The design of slips 2 has opening, can shrink or amplify according to the size of the casing 10 of installation.
3 sets of the spring top in slips 2 is compressed by spring lock block 5, pushes basket 2 retracted downward clamping casing 10 of slips.
O-ring seal 4 is mounted on the outer ring of spring lock block 5, for preventing borehole fluid from spraying between Packing spring briquetting 5 and ontology 1
Out.Spring lock block 5 is fixed on ontology 1 by spring lock block fixing bolt 7.Backbone sealing ring 6 is mounted on the interior of spring lock block 5
Circle, for preventing borehole fluid from spraying between spring lock block 5 and casing 10.The anti-settling design of locating piece 8 has step 11, for fixed
Position oil/gas well blowout out of control speedily carry out rescue work with bottom flange casing 10 installation site.Anti-settling locating piece 8 connects spiral shell with anti-settling locating piece
Bolt 9 is fixed on ontology 1.
Embodiment 3
As another better embodiment of the invention, disclosed slips 2 include be fixed together or one at
The upper and lower part of type, the low profile is cone 16, up big and down small, and top shape is cylindrical body 15, cylindrical body 15
There are a step 11 in lower part and the junction of cone 16, and the internal diameter of slips 2 is machined with equally distributed tooth 17, top unthreaded hole
Internal diameter is big compared with 17 internal diameter of tooth.
Low profile is cone 16, and up big and down small, the taper angle of the conical surface meets self-locking function.Top shape is cylindrical body
15, the junction of 15 lower part of cylindrical body and cone 16 has a step 11, cone 16 and 11 face of step to pre-tighten for fixed
Spring 3, slips 2 are pressed downward.Its internal diameter is machined with equally distributed tooth 17, be used for clamping casing 10, top unthreaded hole internal diameter compared with
17 internal diameter of tooth is big, avoids interference with the clamping of casing 10.Circumferentially design have be uniformly distributed, the slot 13 of equivalent width, have simultaneously
One through slot 14 meets slips 2 to radial contraction or the requirement of expansion.13 top design of slot has hole 12, and slips 2 is avoided to repeat
It shrinks and is cracked when expanding.
Embodiment 4
As another better embodiment of the invention, disclosed backbone sealing ring 6 is mainly by skeleton 21, spring leaf
The circular ring-type that group and rubber 22 are formed, the spring plate group are uniformly arranged on the top outer ring of skeleton 21, spring plate group top
It is obliquely installed to the center point of circular ring-type, rubber 22 is set in spring plate group and skeleton 21 by vulcanizing to surround.
The sectional elevation of the skeleton 21 is L-type, and skeleton 21 is metal structure.
The spring plate group is fixed by welding on skeleton 21.
The spring plate group includes multiple spring steel plates 23.
Its production method is:
211 top outer ring uniform welding spring steel plate 23 of L-type skeleton, 23 top of spring steel plate are tilted to center, whole outer
Portion's vulcanized rubber 22.Retain 11 face of L-type step after vulcanization and be used for fixed seal ring, 11 face top shape of L-type step forms small
The big conical surface down.Sealing ring can make to seal using 3, spring elasticity according to the expanded in size or contraction of the casing 10 sealed
Circle generates initial sealing with casing 10.Because 11 face top shape of L-type step is a up-small and down-big conical surface, when upper pressure increases
There is pressure when big and helps envelope.
Claims (3)
1. a kind of integral type oil/gas well blowout out of control is speedily carried out rescue work with bottom flange, it is characterised in that: comprising: ontology (1), slips (2),
Spring (3), O-ring seal (4), spring lock block (5), backbone sealing ring (6), anti-settling locating piece (8), the ontology (1) are equipped with
Up big and down small conical internal cavity, slips (2) are installed in conical internal cavity and self-locking, are equipped in the middle part of slips (2) and are used for casing (10)
The opening for passing through and cooperating, spring (3) cover slips (2) top and spring (3) by spring lock block (5) precommpression, O-shaped sealing
Circle (4) is mounted on the outer ring of spring lock block (5), and spring lock block (5) is fixed on ontology (1), and backbone sealing ring (6) is mounted on bullet
In the inner ring of spring briquetting (5), anti-settling locating piece (8) is placed in the top of spring lock block (5), and anti-settling locating piece (8) is fixed on this
On body (1).
2. a kind of integral type oil/gas well blowout out of control according to claim 1 is speedily carried out rescue work with bottom flange, it is characterised in that: spring
Briquetting (5) is fixed on ontology (1) by spring lock block fixing bolt (7).
3. a kind of integral type oil/gas well blowout out of control according to claim 1 is speedily carried out rescue work with bottom flange, it is characterised in that: anti-settling
Locating piece (8) connects bolt (9) with anti-settling locating piece and is fixed on ontology (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821966874.2U CN209494541U (en) | 2018-11-27 | 2018-11-27 | Integral type oil gas well blowout is out of control and is speedily carried out rescue work with end flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821966874.2U CN209494541U (en) | 2018-11-27 | 2018-11-27 | Integral type oil gas well blowout is out of control and is speedily carried out rescue work with end flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209494541U true CN209494541U (en) | 2019-10-15 |
Family
ID=68151937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821966874.2U Active CN209494541U (en) | 2018-11-27 | 2018-11-27 | Integral type oil gas well blowout is out of control and is speedily carried out rescue work with end flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209494541U (en) |
-
2018
- 2018-11-27 CN CN201821966874.2U patent/CN209494541U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |