CN206158656U - Working device is pressed in area - Google Patents
Working device is pressed in area Download PDFInfo
- Publication number
- CN206158656U CN206158656U CN201621073204.9U CN201621073204U CN206158656U CN 206158656 U CN206158656 U CN 206158656U CN 201621073204 U CN201621073204 U CN 201621073204U CN 206158656 U CN206158656 U CN 206158656U
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- operation device
- slips
- device under
- under pressure
- preventer
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- 230000002265 prevention Effects 0.000 claims abstract description 39
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 26
- 239000007921 spray Substances 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 4
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims 2
- 239000003292 glue Substances 0.000 claims 1
- 238000005086 pumping Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 239000003129 oil well Substances 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a pressure operation device, which comprises a four-flashboard blowout preventer, an annular blowout preventer, a lifting oil cylinder, a first beam, a universal slip and a pump rod blowout prevention slip, wherein the four-flashboard blowout preventer is fixed at the wellhead, the upper part of the four-flashboard blowout preventer is connected with the lower part of the annular blowout preventer, and the annular blowout preventer is positioned below the first beam; the upper part of the universal slip is connected with the lower part of the blowout prevention slip of the pump rod, and the lower part of the blowout prevention slip is connected with the upper part of the first cross beam; the upper part of the lifting oil cylinder is connected with the lower part of the first beam, the first beam is provided with an opening suitable for an oil pipe and a sucker rod to pass through, and the lifting oil cylinder can control the first beam to ascend and descend; the four-ram blowout preventer comprises an oil pipe slip, a semi-seal ram, a pump rod slip and a full-seal ram; a nitrile rubber core is arranged inside the annular blowout preventer; when the sucker rod is pulled down, the sucker rod is fixed by using the pump rod blowout-preventing slips, and when the oil pipe is pulled down, the oil pipe is fixed by using the universal slips. The utility model provides a take area operation device does not need two sets of devices to rearrange, just can play sucker rod and oil pipe down.
Description
Technical field
The utility model is related to oil-gas mining technical field, more particularly to a kind of operation device under pressure.
Background technology
Operating Pressure is referred in the case of pressure not open flow, no killing well in pit shaft, by setting with routine work car etc.
It is standby to coordinate a kind of operational method for having carried out lower tubular column operation, well head pressure can be controlled in operation process so as to be effectively prevented
The generation of gas blowout accident, realizes safety work.With deepening continuously for oil field development, the importance of oil layer protection is highlighted further,
The simultaneously requirement of well control safety and environmental protection also more and more higher, using Operating Pressure technology oil layer protection can be well solved
Contradiction between well control safety, environmental protection.
At present most domestic oil well mainly carries out Operating Pressure using pressure operator for water injection well, carrys out actuating oil-pumping unit
And oil pipe.
During the utility model is realized, the utility model people has found at least there is problems with prior art：
When carrying out Operating Pressure to oil well using water injection well Operating Pressure equipment, because having sucker rod in oil well, need first to pacify
Dress sucker rod operation device under pressure proposes sucker rod, then installs oil pipe operation device under pressure proposition oil pipe, this operational method fiber crops
It is tired, need two covering devices to switch, thus operating cost increases, it is difficult to meet complicated band pressed operation technique needs.
Utility model content
In view of this, the utility model provides a kind of operation device under pressure, to solve existing operation device under pressure and remove to take out
The problem for needing two covering devices to switch when beam hanger and oil pipe.
Specifically, including following technical scheme：
A kind of operation device under pressure, including four ram preventers, annular preventer, hoist cylinder, first crossbeam, perfect after-sales service
Watt and pump rod blowout prevention slips, wherein,
Four ram preventer is fixed on well head, and top is suitable to be connected with the bottom of the annular preventer, the ring
Shape preventer is located at the lower section of the first crossbeam；
The top of the omnipotent slips is suitable to be connected with the bottom of the pump rod blowout prevention slips, the bottom of the omnipotent slips
It is suitable to be connected with the top of the first crossbeam；
The top of the hoist cylinder is suitable to be connected with the bottom of the first crossbeam, is provided with the first crossbeam suitable
In the perforate that oil pipe and sucker rod pass through, the hoist cylinder be suitable to be controlled by lifting the rising of the first crossbeam and under
Drop；
Four ram preventer includes tubing slip, half envelope flashboard, pump rod slips and blind rams, the tubing slip
It is suitable to fix the oil pipe, the pump rod slips is suitable to fix the sucker rod；
The annular preventer is internally provided with nitrile rubber core；
Use the pump rod blowout prevention slips to fix the sucker rod when removing the sucker rod, lay down when removing the oil pipe
The pump rod blowout prevention slips, using the omnipotent slips oil pipe is fixed.
Selectively, the operation device under pressure also includes four-way, and the upper outlet of the four-way is suitable to prevent with the annular
The bottom connection of spray apparatus, the lower outlet of the four-way is suitable to be connected with the top of four ram preventer.
Selectively, the operation device under pressure also includes manual ball valve, and the manual ball valve is suitable to and the four-way
Side outlet connects.
Selectively, the operation device under pressure also includes tubular preventer, and the tubular preventer is located at described first
The lower section of crossbeam, the bottom of the tubular preventer is suitable to be connected with the top of the annular preventer.
Selectively, the operation device under pressure also includes high-pressure self-sealing, and the high-pressure self-sealing is located at the first crossbeam
Lower section, the bottom of the high-pressure self-sealing is suitable to be connected with the top of the annular preventer.
Selectively, the tubular preventer is internally provided with nitrile rubber core.
Selectively, the high-pressure self-sealing is internally provided with nitrile rubber core.
Selectively, the pump rod slips and the tubing slip of four ram preventer and the omnipotent slips
Slip insert is " V " type, and the slip insert of the flashboard slips of the pump rod blowout prevention slips is Y-shaped.
Selectively, the operation device under pressure also includes second cross beam, the top of the second cross beam be suitable to it is described
The bottom connection of four ram preventers, the second cross beam is fixed on the well head.
Selectively, the operation device under pressure also includes workbench, and the workbench is suitable to and the lifting oil
Cylinder connects.
The beneficial effect of technical scheme that the utility model embodiment is provided is：
Using the operation device under pressure of the utility model offer when R a T is played, when borehole pressure is to oil pumping
When bar/oil pipe buoyancy is less than the weight of sucker rod/oil pipe, the half envelope flashboard closing well head annular using four ram preventers is empty
Between, sucker rod/oil pipe is sealed using annular preventer, sucker rod/oil pipe is proposed using external accessory；Work as borehole pressure
When being more than the weight of sucker rod/oil pipe to sucker rod/oil pipe buoyancy, well head is closed using half envelope flashboard of four ram preventers
Annular space, using annular preventer sucker rod/oil pipe is sealed, and is matched somebody with somebody using hoist cylinder and pump rod blowout prevention slips/omnipotent slips
Close and propose in sucker rod/oil pipe.When there is well head overflow, the friction of the nitrile rubber core of annular preventer to sucker rod or oil pipe
When power is not enough to overcome borehole pressure to the buoyancy of sucker rod or oil pipe, alter on sucker rod, oil pipe, can adopt in this case
The pump rod slips of four ram preventers fixes sucker rod, or fixes oil pipe using tubing slip, adopts and bleeds off pressure or implement kill-job
Recycle hoist cylinder and pump rod blowout prevention slips/omnipotent slips to coordinate after measure to propose in sucker rod/oil pipe.
The operation device under pressure lower sucker rod that there is provided using the utility model and during oil pipe, when borehole pressure to sucker rod/
When oil pipe buoyancy is less than the weight of sucker rod/oil pipe, well head annular space is closed using half envelope flashboard of four ram preventers,
Sucker rod/oil pipe is sealed using annular preventer, using external accessory by sucker rod/oil pipe G.I.H；When well internal pressure
When power is more than the weight of sucker rod/oil pipe to sucker rod/oil pipe buoyancy, well is closed using half envelope flashboard of four ram preventers
Mouth annular space, seals sucker rod/oil pipe, using hoist cylinder and pump rod blowout prevention slips/omnipotent slips using annular preventer
Coordinate sucker rod/oil pipe G.I.H.When there is well head overflow, the nitrile rubber core of annular preventer is to sucker rod or oil pipe
Frictional force when being not enough to overcome borehole pressure to the buoyancy of sucker rod or oil pipe, alter on sucker rod, oil pipe, in this case
The pump rod slips that four ram preventers can be adopted fixes sucker rod, or tubing slip fixes oil pipe, adopts bleed off pressure or real afterwards
Hoist cylinder and pump rod blowout prevention slips/omnipotent slips is recycled to coordinate sucker rod/oil pipe G.I.H after pressure well measure；When
When there is no tubing string in well, using the blind rams sealing wellhead of four ram preventers.
The operation device under pressure that the utility model is provided, is R a T integration operation device under pressure, can be removed
R a T, it is not necessary to which two sets of operation device under pressure are switched back and forth, simplify Operating Pressure technique.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the utility model embodiment, below will be to needed for embodiment description
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 for provided according to the embodiment of the utility model one operation device under pressure actuating oil-pumping unit when structural representation
Figure；
Fig. 2 for provided according to the embodiment of the utility model one operation device under pressure lower oil tube when structural representation；
The structural representation of four ram preventers of the Fig. 3 to be provided according to the embodiment of the utility model one；
The structural representation of annular preventers of the Fig. 4 to be provided according to the embodiment of the utility model one；
The structural representation of high-pressure self-sealings of the Fig. 5 to be provided according to the embodiment of the utility model one；
The structural representation of tubular preventers of the Fig. 6 to be provided according to the embodiment of the utility model one；
The structural representation of pump rod blowout prevention slips of the Fig. 7 to be provided according to the embodiment of the utility model one.
Reference in figure is represented respectively：
1st, four ram preventer；2nd, four-way；3rd, annular preventer；4th, hoist cylinder；5th, first crossbeam；6th, workbench；
7th, omnipotent slips；8th, second cross beam；9th, tubular preventer；10th, high-pressure self-sealing；11st, pump rod blowout prevention slips；12nd, rotary flange；
13rd, tubing slip；14th, half envelope flashboard；15th, pump rod slips；16th, blind rams；17th, the nitrile rubber core of annular preventer；18、
The nitrile rubber core of high-pressure self-sealing；19th, the nitrile rubber core of tubular preventer；20th, the flashboard slips of pump rod blowout prevention slips.
Specific embodiment
To make the technical solution of the utility model and advantage clearer, the utility model is implemented below in conjunction with accompanying drawing
Mode is described in further detail.
The embodiment of the utility model one provides a kind of operation device under pressure, as shown in the figures 1 and 2, including four ram preventers
1st, annular preventer 3, hoist cylinder 4, first crossbeam 5, omnipotent slips 7 and pump rod blowout prevention slips 11, wherein, four ram preventers
1 is fixed on well head, and top is suitable to be connected with the bottom of annular preventer 3, and annular preventer 3 is located at the lower section of first crossbeam 5；Ten thousand
The top of energy slips 7 is suitable to be connected with the bottom of pump rod blowout prevention slips 11, and the bottom of omnipotent slips 7 is suitable to and first crossbeam 5
Top connects, and the top of hoist cylinder 4 is suitable to be connected with the bottom of first crossbeam 5, be provided with first crossbeam 5 be suitable to oil pipe with
The perforate that sucker rod passes through, hoist cylinder 4 is suitable to control the raising and lowering of first crossbeam 5 by lifting；Four flashboard blowout preventions
Device 1 includes tubing slip 13, half envelope flashboard 14, pump rod slips 15 and blind rams 16, and tubing slip 13 is suitable to fix oil pipe, pump
Bar slips 15 is suitable to fix sucker rod；Annular preventer 3 includes nitrile rubber core 17.Pump rod blowout prevention card is used during actuating oil-pumping unit
Watts 11 fix sucker rods, and pump rod blowout prevention slips 11 is laid down during lower oil tube, and using omnipotent slips 7 oil pipe is fixed.
Specifically, the top of four ram preventers 1 can be connected by flange with the bottom of annular preventer 3, omnipotent slips 7
Top can be connected with the bottom of pump rod blowout prevention slips 11 by flange, the bottom of omnipotent slips 7 can be horizontal with first by flange
The top connection of beam 5, two piston rods of hoist cylinder 4 can be connected by bolt with the bottom of first crossbeam 5.Terminal pad is adopted
Steel alloy solid forging and Jing nondestructive inspections and heat treatment, it is ensured that be connected firmly between adjacent component.The utility model is not to this
It is defined, other modes may also be employed and is attached.Usually, the two ends of first crossbeam 5 can respectively be connected with an oil cylinder, this
Sample can ensure that first crossbeam 5 and its two ends balance of the omnipotent slips 7 for supporting rise or fall, it is ensured that device even running, but
The utility model is not defined to this.
After the operation that the operation device under pressure provided using the present embodiment completes actuating oil-pumping unit, using four flashboard blowout preventions
The closing well head of blind rams 16 of device 1, then removes the flange that pump rod blowout prevention slips 11 is fixed on the top of omnipotent slips 7, lays down pump
Bar blowout prevention slips 11, you can for lower oil tube.May not be used in the operation device under pressure actuating oil-pumping unit that the present embodiment is provided yet
Installation universal slips 7, in this case the bottom of pump rod blowout prevention slips 11 is directly connected with the top of first crossbeam 5, but this reality
This is not defined with new.
Before operation device under pressure actuating oil-pumping unit/oil pipe that the present embodiment is provided is installed, match somebody with somebody first with omnipotent envelope bar device
Closing manual sucker rod developing shutter device derives polished rod, and lower sucker rod hangs blanking plug and seals annular space in oil pipe.
The nitrile rubber core 17 of annular preventer 3 can pass through different tube diameters in the operation device under pressure that the present embodiment is provided
Box cupling between tubing string and tubing string, and can ensure that sealing is preferable, therefore nitrile rubber core 17 can pass through R a T.
When the operation device under pressure provided using the present embodiment plays sucker rod/oil pipe, when borehole pressure is to sucker rod/oil pipe
Buoyancy less than sucker rod/oil pipe weight when, the closing well head annular of half envelope flashboard 14 using four ram preventers 1 is empty
Between, sucker rod/oil pipe is sealed using annular preventer 3, sucker rod/oil pipe is proposed using external accessory；When well internal pressure
When power is more than the weight of sucker rod/oil pipe to sucker rod/oil pipe buoyancy, using the envelope of half envelope flashboard 14 of four ram preventers 1
Well head annular space is closed, sucker rod/oil pipe is sealed using annular preventer 3, using hoist cylinder 4 and pump rod blowout prevention slips 11/
Omnipotent slips 7 coordinates sucker rod/oil pipe proposition.When there is well head overflow, 17 pairs, the nitrile rubber core of annular preventer 3 is pumped
When the frictional force of bar or oil pipe is not enough to overcome borehole pressure to the buoyancy of sucker rod or oil pipe, alter on sucker rod, oil pipe, this
The pump rod slips 15 that four ram preventers 1 can be adopted in the case of kind fixes sucker rod, or tubing slip 13 fixes oil pipe, afterwards
Coordinate and will pump using bleeding off pressure or implementing recycling hoist cylinder 4 and 11/ omnipotent slips of pump rod blowout prevention slips 7 after kill-job measure
Bar/oil pipe is proposed.
During the operation device under pressure lower sucker rod/oil pipe provided using the present embodiment, when borehole pressure is to sucker rod/oil pipe
When buoyancy is less than the weight of sucker rod/oil pipe, well head annular space is closed using the half envelope flashboard 14 of four ram preventers 1,
Sucker rod/oil pipe is sealed using annular preventer 3, using external accessory by sucker rod/oil pipe G.I.H；When well internal pressure
When power is more than the weight of sucker rod/oil pipe to sucker rod/oil pipe buoyancy, using the envelope of half envelope flashboard 14 of four ram preventers 1
Well head annular space is closed, sucker rod/oil pipe is sealed using annular preventer 3, using hoist cylinder 4 and pump rod blowout prevention slips 11/
Omnipotent slips 7 coordinates sucker rod/oil pipe G.I.H.When there is well head overflow, 17 pairs, the nitrile rubber core of annular preventer 3
When the frictional force of sucker rod or oil pipe is not enough to overcome borehole pressure to the buoyancy of sucker rod or oil pipe, on sucker rod, oil pipe
Alter, the pump rod slips 15 that four ram preventers 1 can be adopted in this case fixes sucker rod, or the fixing oil of tubing slip 13
Pipe, coordinates and will take out using bleeding off pressure or implementing recycling hoist cylinder 4 and 11/ omnipotent slips of pump rod blowout prevention slips 7 after kill-job measure
Beam hanger/oil pipe G.I.H；When there is no tubing string in well, using the sealing wellhead of blind rams 15 of four ram preventers 1.
The operation device under pressure that the present embodiment is provided, is R a T integration operation device under pressure, can remove and take out
Beam hanger and oil pipe, it is not necessary to which two sets of operation device under pressure are switched back and forth, simplify Operating Pressure technique.
The operation device under pressure that the present embodiment is provided, can be used for the R a T Operating Pressure of rod pumped well, but not
It is limited to this.
Improve as one kind of the present embodiment, as shown in the figures 1 and 2, the operation device under pressure that the present embodiment is provided can also be wrapped
Four-way 2 is included, the upper outlet of four-way 2 is suitable to be connected with the bottom of annular preventer 3, the lower outlet of four-way 2 and four ram preventers 1
Top connection.Specifically, the upper outlet of four-way 2 can be connected by flange with the bottom of annular preventer 3, be gone out under four-way 2
Mouth can be connected by flange with the top of four ram preventers 1, and the utility model is not defined to this.
Improve as the another kind of the present embodiment, the operation device under pressure that the present embodiment is provided may also include manual ball valve,
Manual ball valve is suitable to be connected with the side outlet of four-way 2.Specifically, two side outlets of four-way 2 are respectively connected with manual ball valve.
Both the above is improved and ensure that when there is overflow, can be by controlling manual ball valve by partial pressure from four-way 2
Side outlet bleeds off, it is to avoid the too high infringement caused to annular preventer 3 of borehole pressure, meanwhile, four-way 2 can also balance four flashboards to be prevented
Pressure reduction between spray apparatus 1 and annular preventer 3.The utility model is not defined to four-way 2, may also be employed pressure relief flange or its
He is used for the part of pressure release, or the difference for reducing borehole pressure and strata pressure using the measure of kill-job.The utility model
Manual ball valve is not defined, the control valve of manually gate valve or other forms can be also set in the side outlet of four-way 2.
Improve as the another kind of the present embodiment, as shown in figure 1, the operation device under pressure that the present embodiment is provided may also include
Tubular preventer 9, tubular preventer 9 is located at the lower section of first crossbeam 5, and the bottom of tubular preventer 9 is suitable to and annular preventer 3
Top connection.Specifically, the bottom of tubular preventer 9 can be connected by flange with the top of annular preventer 3, and this practicality is new
Type is not defined to this.In practice, the volume of annular preventer 3 is larger, and the nitrile rubber core 17 of annular preventer 3 is changed
It is complex, the small volume of tubular preventer 9, the replacing relative ease of rubber core, typically during actuating oil-pumping unit, ring
Shape preventer 3 keeps the state of standard-sized sheet, realizes the sealing to sucker rod by tubular preventer 9 and crosses box cupling by force, to protect
The nitrile rubber core 17 of annular preventer 3.Also, during actuating oil-pumping unit, the nitrile rubber core 19 of tubular preventer 9
The oil of sucker rod outer wall can be wiped off, play a part of to clean sucker rod.
Improve as the another kind of the present embodiment, as shown in Fig. 2 the operation device under pressure that the present embodiment is provided may also include
High-pressure self-sealing 10, high-pressure self-sealing 10 is located at the lower section of first crossbeam 5, and the bottom of high-pressure self-sealing 10 is suitable to and annular preventer 3
Top connects.Specifically, the bottom of high-pressure self-sealing 10 can be connected by flange with the top of annular preventer 3, but this practicality is new
Type is not defined to this.The small volume of high-pressure self-sealing 10, the replacing relatively convenient of rubber core, typically in the mistake of lower oil tube
Cheng Zhong, annular preventer 3 keeps the state of standard-sized sheet, the sealing to oil pipe is realized by high-pressure self-sealing 10 and is forced through to connect
Hoop, so as to protect the nitrile rubber core 17 of annular preventer 3.After the operation device under pressure in using Fig. 1 acts sucker rod, adopt
Well head is closed with the blind rams 16 of four ram preventers 1, the top of omnipotent slips 7 is then removed and is fixed pump rod blowout prevention slips 11
Flange, lays down pump rod blowout prevention slips 11, then removes the flange that tubular preventer 9 is fixed on the top of annular preventer 3, lays down tubular and prevents
Spray apparatus 9, installs high-pressure self-sealing 10, the operation device under pressure in Fig. 2 devices is become, so as to can be used to lower oil tube.
Improve as the another kind of the present embodiment, as it can be seen in figures 5 and 6, the inside of tubular preventer 9 can be provided with nitrile rubber
Core 19, the inside of high-pressure self-sealing 10 can be provided with nitrile rubber core 18.So, tubular preventer 9 can be by the oil pumping of different tube diameters
Bar and box cupling, and ensure that sealing is good, high-pressure self-sealing 10 can pass through the oil pipe and box cupling of different tube diameters, and ensure sealing
Property is good.This improvement makes operation device under pressure applicability more preferable.
Improve as the another kind of the present embodiment, as shown in the figures 1 and 2, the operation device under pressure that the present embodiment is provided may be used also
Including second cross beam 8, the bottom that the top of second cross beam 8 is suitable to four ram preventers 1 is connected, and second cross beam 8 is fixed on well
Mouthful.Specifically, second cross beam 8 can be connected with four ram preventers 1 by flange, and the bottom of second cross beam 8 can connect rotary flange
12, rotary flange 12 is used for tool face azimuth adjustment in installation process.Second cross beam 8 is used for device and installs levelling, it is ensured that whole dress
Horizontalization is steady.
Improve as the another kind of the present embodiment, the tubing slip 13 and pump rod slips 15 of four ram preventers 1 and omnipotent
The slip insert of slips 7 can be " V " type, as shown in fig. 7, the slip insert of the flashboard slips 20 of pump rod blowout prevention slips 11 can be for " Y "
Type.The slip insert of the tubing slip 13 of four ram preventers 1 and pump rod slips 15 and omnipotent slips 7 is designed as into " V " type, can be protected
Card tubing slip 13 and pump rod slips 15 and omnipotent slips 7 can load-bearing again can anti-top, can prevent R a T fall well or
Alter on person.The slip insert of the flashboard slips 20 of pump rod blowout prevention slips 11 is designed as into down Y-shaped, can effectively be prevented on sucker rod
Alter.The utility model is not defined to this, also can be by the tubing slip 13 of four ram preventers 1 and pump rod slips 15, omnipotent
Slips 7, the slip insert of the flashboard slips 20 of pump rod blowout prevention slips 11 are designed as other can be with load-bearing and/or the shape on anti-top.
Improve as the another kind of the present embodiment, as shown in the figures 1 and 2, the operation device under pressure that the present embodiment is provided may be used also
Including workbench 6, workbench 6 is suitable to be connected with hoist cylinder 4.Specifically, workbench 6 can be by flange and lifting oil
Cylinder 4 connects, and hoist cylinder 4 can be by the dynamic raising and lowering of workbench 6 of lift band.In practice, workbench 6 is framework knot
Structure, has four root posts to support, and the bottom of column is designed as stretchable structure, so as to can in 4 raising and lowering of hoist cylinder
Drive the raising and lowering of workbench 6.The epimere of four root posts is connected by bolt or flange with work platform 6, and lower end passes through
Bolt or flange are connected with second cross beam 8, can safeguard work platform 6 is steady and convenient disassembly.Operating personnel can stand in work
Device is manipulated on platform 6.
The above is for only for ease of those skilled in the art and understands the technical solution of the utility model, not to
Limit the utility model.It is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvements made etc.,
Should be included within protection domain of the present utility model.
Claims (10)
1. a kind of operation device under pressure, it is characterised in that including four ram preventers, annular preventer, hoist cylinder, first horizontal
Beam, omnipotent slips and pump rod blowout prevention slips, wherein,
Four ram preventer is fixed on well head, and top is suitable to be connected with the bottom of the annular preventer, and the annular is anti-
Spray apparatus is located at the lower section of the first crossbeam；
The top of the omnipotent slips is suitable to be connected with the bottom of the pump rod blowout prevention slips, and the bottom of the omnipotent slips is suitable to
It is connected with the top of the first crossbeam；
The top of the hoist cylinder is suitable to be connected with the bottom of the first crossbeam, is provided with the first crossbeam and is suitable to oil
The perforate that pipe and sucker rod pass through, the hoist cylinder is suitable to control the raising and lowering of the first crossbeam by lifting；
Four ram preventer includes tubing slip, half envelope flashboard, pump rod slips and blind rams, and the tubing slip is suitable to
The fixation oil pipe, the pump rod slips is suitable to fix the sucker rod；
The annular preventer is internally provided with nitrile rubber core；
Use the pump rod blowout prevention slips to fix the sucker rod when removing the sucker rod, lay down when removing the oil pipe described
Pump rod blowout prevention slips, using the omnipotent slips oil pipe is fixed.
2. operation device under pressure according to claim 1, it is characterised in that the operation device under pressure also includes four-way,
The upper outlet of the four-way is suitable to be connected with the bottom of the annular preventer, and the lower outlet of the four-way is suitable to and four lock
The top connection of plate preventer.
3. operation device under pressure according to claim 2, it is characterised in that the operation device under pressure also includes manual ball
Valve, the manual ball valve is suitable to be connected with the side outlet of the four-way.
4. operation device under pressure according to claim 1, it is characterised in that the operation device under pressure is also anti-including tubular
Spray apparatus, the tubular preventer is located at the lower section of the first crossbeam, and the bottom of the tubular preventer is suitable to and the annular
The top connection of preventer.
5. operation device under pressure according to claim 1, it is characterised in that the operation device under pressure also include high pressure from
Envelope, the high-pressure self-sealing is located at the lower section of the first crossbeam, and the bottom of the high-pressure self-sealing is suitable to and the annular preventer
Top connection.
6. operation device under pressure according to claim 4, it is characterised in that the tubular preventer is internally provided with butyronitrile
Rubber core.
7. operation device under pressure according to claim 5, it is characterised in that the high-pressure self-sealing is internally provided with butyronitrile rubber
Glue core.
8. operation device under pressure according to claim 1, it is characterised in that the pump rod card of four ram preventer
Watt and the slip insert of the tubing slip and the omnipotent slips be " V " type, the flashboard slips of the pump rod blowout prevention slips
Slip insert is Y-shaped.
9. operation device under pressure according to claim 1, it is characterised in that the operation device under pressure also includes that second is horizontal
Beam, the top of the second cross beam is suitable to be connected with the bottom of four ram preventer, and the second cross beam is fixed on described
Well head.
10. operation device under pressure according to claim 1, it is characterised in that the operation device under pressure also includes work
Platform, the workbench is suitable to be connected with the hoist cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621073204.9U CN206158656U (en) | 2016-09-22 | 2016-09-22 | Working device is pressed in area |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859499A (en) * | 2016-09-22 | 2018-03-30 | 中国石油天然气股份有限公司 | Working device is pressed in area |
| CN108119089A (en) * | 2017-11-24 | 2018-06-05 | 中国石油天然气集团公司 | Prevent the devices and methods therefor of tubing string play |
| CN113464081A (en) * | 2020-03-30 | 2021-10-01 | 中国石油化工股份有限公司 | Coal bed gas micro-strip pressure well repairing process |
-
2016
- 2016-09-22 CN CN201621073204.9U patent/CN206158656U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859499A (en) * | 2016-09-22 | 2018-03-30 | 中国石油天然气股份有限公司 | Working device is pressed in area |
| CN107859499B (en) * | 2016-09-22 | 2024-01-30 | 中国石油天然气股份有限公司 | Pressurized operation device |
| CN108119089A (en) * | 2017-11-24 | 2018-06-05 | 中国石油天然气集团公司 | Prevent the devices and methods therefor of tubing string play |
| CN113464081A (en) * | 2020-03-30 | 2021-10-01 | 中国石油化工股份有限公司 | Coal bed gas micro-strip pressure well repairing process |
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