CN105840172A - Offshore testing string and completion string hydromatic valve - Google Patents
Offshore testing string and completion string hydromatic valve Download PDFInfo
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- CN105840172A CN105840172A CN201610187044.9A CN201610187044A CN105840172A CN 105840172 A CN105840172 A CN 105840172A CN 201610187044 A CN201610187044 A CN 201610187044A CN 105840172 A CN105840172 A CN 105840172A
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- 238000012360 testing method Methods 0.000 title claims abstract description 25
- 210000005056 cell body Anatomy 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 7
- 239000010720 hydraulic oil Substances 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 241000269793 Cryothenia peninsulae Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to an offshore testing string and completion string hydromatic valve characterized by comprising a housing; the rear end of the housing is fastened with a joint; the joint is provided with a through hole connecting with the inner side of the housing; an annular gap is formed between the front end of the joint and the inner wall of the housing; two positioning valve seats are arranged in the housing, and respectively support a ball valve core with a through hole in a rotary manner; the other side outer wall of each ball valve core is connected with a ball rack valve seat in a rotary manner; the two ball rack valve seats are connected through an intermediate connecting sleeve; more than one limit blocks are connected between the intermediate connecting sleeve and the inner wall of the housing; the two positioning valve seats are respectively sleeved by one piston; the inner side of the piston is connected with two symmetrical connecting rods in a rotary manner; the other ends of the two connecting rods are respectively connected on the corresponding ball valve cores in a rotary manner; the end portion of each piston is fastened with a boost sleeve; more than two springs are connected between the two boost sleeves and arranged at intervals; the inner wall of the housing is provided with a plurality of hydraulic pipelines; each hydraulic pipeline is connected with a hydraulic pipeline valve arranged in the front end of the housing.
Description
Technical field
The present invention relates to a kind of for marine test string and the hydraulic operated valve of completion tubular column, belong to gas and oil in sea exploitation
Implement technical field.
Background technology
When the floating drilling rig such as semisubmersible platform or drill ship carries out oil and gas well testing and completion practice, due to half
The impacts such as submersible platform or drill ship wind-engaging, wave, stream can occur the motions such as heave, pitching, rolling, phase the most therewith
The test or the completion tubular column that connect move therewith, and therefore, marine deep water hydrocarbon well surveying examination or completion practice are to equipment and work
Reliability and the job specification of tool have the highest requirement.If run into during offshore field test or completion practice
Severe sea condition, such as typhoon, tide or tsunami etc., it will require to stop operation immediately, blocking high-pressure well head, off-tube
Post, and semisubmersible platform or drill ship are withdrawn pithead position, thus ensure the safety of operating personnel and equipment.Removing
From before, in order to the high-pressure oil gas in quickly and safely plugging tubing string needs to free under water, a kind of valve is installed in system
Part, meanwhile, this valve should have the following function, and as opened valve connection tubing string inner chamber, closedown jam pot cover blocks up down-hole high pressure
Coiled tubing or cable etc. in oil gas and shearing tubing string.
It addition, for realizing above-mentioned functions, this valve should select to use the hydraulic remote control mode of easily realization.At present,
Ball valve is a kind of relatively conventional valve member at home, and ball-valve structure also has application in oil gas drill and petroleum extraction tools.But,
In prior art, need manual operation to realize being turned on and off of ball valve, by the directly actuated ball valve mechanism of hydraulic pressure
The most rare, this type of ball valve mechanism more can not match with tubing string use during oil and gas well testing or completion practice at sea.
Summary of the invention
For the problems referred to above, it is an object of the invention to provide a kind of for marine test string and the hydraulic operated valve of completion tubular column.
By hydraulic action can at a distance quick blocking with connect test string or completion tubular column, it is achieved to test string or complete
The control of well casing post inner high voltage oil gas, and there is dual-plugging mechanism and hydraulic failure protection mechanism.
For achieving the above object, the present invention takes techniques below scheme: a kind of for marine test string and completion tubular column
Hydraulic operated valve, it is characterised in that: it includes that the housing of a tubulose, the rear end of described housing are fastenedly connected a joint, institute
Stating and be provided with a through hole being connected with described enclosure interior on joint, the front end of described joint has been wholely set one to institute
State the external part that enclosure interior extends, between the inwall of described external part and described housing, leave annular gap；Described
Enclosure interior is fastenedly connected one first location valve seat, described first location valve seat and described housing near the position of front end
Leaving annular gap between inwall, the rear end face of described first location valve seat supports one rotationally with the first of a through hole
Ball valve core, is provided with a step surface in the inner side of the described external part of described joint, and described step surface passes through one first bullet
Spring connects one second location valve seat, and the front end face of described second location valve seat supports one rotationally with the of another through hole
Two ball valve cores, the front end of described second ball valve core connects one second ball-collecting rack valve seat rotationally, described second ball-collecting rack valve seat
Front end is fastenedly connected a middle connecting cylinder, and described middle connecting cylinder is provided with another step surface near the inner side of front end,
Another step surface described connects one first ball-collecting rack valve seat by one second spring, and the front end of described first ball-collecting rack valve seat rotates
Ground connects the first ball valve core, is connected more than one limited block between described middle connecting cylinder and the inwall of described housing；
A sheathed first piston on valve seat is positioned described first；Sheathed one second piston on the described external part of described joint,
Being rotationally connected two first connecting rods in the inner side of described first piston, described in two, first connecting rod is symmetrical set, described in two
The other end of one connecting rod is all rotatably connected on described first ball valve core；It is rotationally connected two in the inner side of described second piston
Second connecting rod, described in two, second connecting rod is symmetrical set, and the other end of second connecting rod described in two is all rotatably connected on second
On ball valve core；Be fastenedly connected respectively in the front end of the rear end of described first piston and described second piston one first boosting cylinder,
Second boosting cylinder, between described first boosting cylinder and described second boosting cylinder, connection has two or more is spaced apart
3rd spring；Being disposed with three hydraulic lines in the inwall of described housing, the entrance point of each described hydraulic line is equal
The hydraulic line valve being arranged on described housing forward end with one is connected, and wherein described in one, the hydraulic line port of export extends to institute
Stating in the gap between first piston front end face and described housing, the port of export of another described hydraulic line extends to described
In gap between second piston rear end face and described housing, described in the 3rd, the port of export of hydraulic line extends to described shell
In the middle part of body in toroidal cavity between boosting cylinder described in two.
The rear end of described second ball-collecting rack valve seat is symmetrically arranged with two first supporting plates, in the inner side of the first supporting plate described in two respectively
Being provided with one first arcuate groove, each described first arcuate groove all outer walls with described second ball valve core fit, two institutes
The rear end stating the first supporting plate is respectively arranged with one first arc surface；Described first ball-collecting rack valve seat be symmetrically arranged at the front end with two
Second supporting plate, is respectively arranged with one second arcuate groove, each described second arcuate groove in the inner side of the second supporting plate described in two
All outer walls with described first ball valve core fit, and are respectively arranged with one second arc surface in the front end of supporting plate described in two；
The outer wall of described first ball valve core and described second ball valve core is respectively symmetrically and cuts out two circular arcs and stretch out platform；Described
It is described that described first arc surface on first supporting plate described in the two of two ball-collecting rack valve seats is against on described second ball valve core respectively
Circular arc stretches out on platform；Described arc surface on supporting plate described in the two of described first ball-collecting rack valve seat is against described first ball respectively
Described circular arc on spool stretches out on platform.
Each described hydraulic line valve includes one with the cylinder of a through hole, being wholely set in described cylindrical front end
There is a junction part, described cylindrical sidewall is provided with a flange, embedding in described cylindrical described through hole
Enter one with the mandrel of fluid passage, described cylindrical outer surface is provided with screw thread；It is wholely set on described mandrel
There is a cone valve, sheathed one the 4th spring, described 4th bullet on the described mandrel being positioned at described cone valve rear end
The front end of spring is fastenedly connected on the rear end face of described cone valve, and the rear end of described 4th spring is against one and is arranged on institute
State on the step surface inside housing forward end.
It is fastenedly connected multiple first mandrel, in the front end of described second boosting cylinder at interval, the rear end of described first boosting cylinder
Interval is fastenedly connected multiple second mandrel, and the two ends of each described 3rd spring are respectively sleeved at described first mandrel and institute
State on the second mandrel.
The outer wall of described first ball valve core is offered one first long cell body, described first long cell body and described first ball valve
The described through hole of core is connected；The outer wall of described second ball valve core is offered one second long cell body, described second elongated slot
Body is connected with the described through hole of described second ball valve core.
At described housing and described first location valve seat, described first piston, described first boosting cylinder, described second help
The junction of pushing cylinder and described second piston is respectively arranged with a sealing ring；Valve seat and described first is positioned described first
Piston, described first piston and described middle connecting cylinder, described middle connecting cylinder and described second ball-collecting rack valve seat, described
It is close that second ball-collecting rack valve seat and described second boosting cylinder and described second piston and the junction of described joint are respectively arranged with one
Seal；It is provided with a ring fillister body in the rear end of described joint, is disposed with in the inwall at the rear portion of described joint
A plurality of hydraulic line.
Due to the fact that and take above technical scheme, it has the advantage that 1, the present invention is provided with a housing, at shell
Arranging a plurality of hydraulic line on the inwall of body, the entrance point of each hydraulic line is all arranged on the liquid of housing forward end with one
Pressure pipeline valve is connected, and wherein a hydraulic line port of export extends to the gap between first piston front end face and housing
In, the port of export of another hydraulic line extends in the gap between the second piston rear end face and housing, Article 3 liquid
The port of export of pressure pipeline extends in housing central section toroidal cavity between two boosting cylinders；First piston and second is lived
The inner side of plug is rotationally connected two connecting rods respectively, and the other end of two connecting rods being connected with first piston is rotatably connected on respectively
On first ball valve core, the other end of two connecting rods being connected with the second piston is rotatably connected on the second ball valve core respectively,
Can be by the rotary motion that the transform linear motion of first piston is the first ball valve core, the linear motion of the second piston is respectively
It is converted into the rotary motion of the second ball valve core, thus realizes the first ball valve core and the second ball valve core is opened independently or simultaneously,
Improve service efficiency of the present invention.2, the present invention is provided with two boosting cylinders, and connecting between two boosting cylinders has a plurality of spring,
It is capable of driving the first ball valve core and the closedown of the second ball valve core under the action of the spring, when the first ball valve core and second
When ball valve core is unable to completely close, realize under the effect being passed through hydraulic oil to Article 3 hydraulic line the first ball valve core and
Second ball valve core is closing assisted, during emergency cut-off, when enclosure interior have barrier (as cable or continuously oil
Pipe) through time, now can pressurize by Article 3 hydraulic line, promote coiled tubing or cable are sheared, reality
Now the effective closedown to the second ball valve core, blocks down-hole high pressure oil gas, and the present invention uses safe efficient.3, the present invention
Under the effect of a plurality of spring between two boosting cylinders, the first ball valve core and the second ball valve core is made to be in normally off, because of
This present invention has hydraulic control fail safe characteristic, and has hydraulic pressure auxiliary locking function.The present invention can extensively answer
With being connected of test string well head when deep water hydrocarbon well test jobs, it is achieved hydraulic pressure directly controls.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention
Fig. 2 is inventive joint structural representation
Fig. 3 is the structural representation that the present invention first positions valve seat
Fig. 4 is the structural representation of the present invention the first ball valve core
Fig. 5 is the structural representation that the present invention second positions valve seat
Fig. 6 is the structural representation of the present invention the second ball-collecting rack valve seat
Fig. 7 is the structural representation of connecting cylinder in the middle of the present invention
Fig. 8 is the structural representation of the present invention the first ball-collecting rack valve seat
Fig. 9 is the structural representation of limited block of the present invention
Figure 10 is the structural representation of first piston of the present invention
Figure 11 is the structural representation that partial structurtes of the present invention assemble
Figure 12 is the structural representation of hydraulic line valve of the present invention
Detailed description of the invention
With embodiment, the present invention is described in detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, the present invention includes the housing 1 of a tubulose, a screwed end cap 2 is passed through in the rear end of housing 1
It is fastenedly connected a joint 3, joint 3 is provided with the through hole 4 that be connected internal with housing 1, the front end one of joint 3
Body is provided with one to the internal external part 31 (as shown in Figure 2) extended of housing 1, external part 31 and the inwall of housing 1
Between leave annular gap.One first location valve seat 5 it is fastenedly connected (such as Fig. 3 in the internal position near front end of housing 1
Shown in), leave annular gap between the first location valve seat 5 and the inwall of housing 1, the rear end face of the first location valve seat 5
Rotatably support one with the first ball valve core 7 (as shown in Figure 4) of a through hole 6.External part 31 at joint 3
Inner side be provided with a step surface 32, step surface 32 connects one second location valve seat 9 (such as Fig. 5 by a spring 8
Shown in).The front end face of the second location valve seat 9 rotatably supports one with the second ball valve core 11 of a through hole 10.The
The front end of two ball valve cores 11 is rotatably coupled one second ball-collecting rack valve seat 12 (as shown in Figure 6), the second ball-collecting rack valve seat 12
Front end be fastenedly connected a middle connecting cylinder 13 (as shown in Figure 7), middle connecting cylinder 13 is arranged near the inner side of front end
A step surface 131, step surface 131 is had to connect one first ball-collecting rack valve seat 15 (as shown in Figure 8) by a spring 14,
The front end of the first ball-collecting rack valve seat 15 is rotatably coupled the first ball valve core 7.In middle connecting cylinder 13 and housing 1
Connecting more than one between wall can not be at the limited block 16 of fore-and-aft direction motion (such as Fig. 9 for limiting middle connecting cylinder 13
Shown in).A sheathed first piston 17 (as shown in Figure 10) on the first location valve seat 5；External part at joint 3
On 31, sheathed one second piston 18, is rotationally connected two first connecting rods 19, two first connecting rods in the inner side of first piston 17
19 are symmetrical set, and the other end of two first connecting rods 19 is all rotatably connected on the first ball valve core 7.At the second piston
The inner side of 18 is rotationally connected two second connecting rods 20 (as shown in figure 11), and two second connecting rods 20 are symmetrical set, and two
The other end of two connecting rods 20 is all rotatably connected on the second ball valve core 11.At the rear end of first piston 17 and the second piston
The front end of 18 is fastenedly connected a boosting cylinder 21,22 respectively, between two boosting cylinders 21,22 connect have two or more in
Spaced apart spring 23.Three hydraulic lines 24 it are disposed with in the inwall of housing 1, each hydraulic line 24
Entrance point is all arranged on the hydraulic line valve 25 of housing 1 front end and is connected with one, and wherein a hydraulic line 24 exports
End extends in the gap between first piston 17 front end face and housing 1, and the port of export of another hydraulic line 24 prolongs
Extending in the gap between the second piston 18 rear end face and housing 1, the port of export of Article 3 hydraulic line extends to housing
(not shown) in toroidal cavity between two boosting cylinders 21,22 in the middle part of in the of 1.
In above-described embodiment, as shown in Figure 6, the rear end of the second ball-collecting rack valve seat 12 is symmetrically arranged with two supporting plates 121,
The inner side of two supporting plates 121 is respectively arranged with an arcuate groove 122, outside each arcuate groove 122 is all with the second ball valve core 11
Wall fits, and the rear end of two supporting plates 121 is respectively arranged with an arc surface 123.As shown in Figure 8, the first ball-collecting rack valve seat
15 be symmetrically arranged at the front end with two supporting plates 151, be respectively arranged with an arcuate groove 152 in the inner side of two supporting plates 151, often
One arcuate groove 152 all outer walls with the first ball valve core 7 fit, and are respectively arranged with a circle in the front end of two supporting plates 151
Cambered surface 153.The outer wall of the first ball valve core 7 and the second ball valve core 11 is respectively symmetrically and cuts out two circular arcs and stretch out platform 26
(as shown in Fig. 4, Figure 11)；Arc surface 123 on two supporting plates 121 of the second ball-collecting rack valve seat 12 is against the second ball valve
Two circular arcs on core 11 stretch out on platform 26；Arc surface 153 on two supporting plates 151 of the first ball-collecting rack valve seat 15 is against
Two circular arcs on one ball valve core 7 stretch out on platform 26.When first ball valve core the 7, second ball valve core 11 rotates respectively,
Two arc surfaces 153 of the first ball-collecting rack valve seat 15 front end circular arc with one first ball valve core 7 respectively stretches out the side of platform 26
Being rotationally connected, two arc surfaces 123 of the second ball-collecting rack valve seat 12 front end circular arc with one second ball valve core 11 respectively stretches out
The side of platform 26 is rotationally connected.
In above-described embodiment, as shown in figure 12, each hydraulic line valve 25 includes one with the cylinder 251 of a through hole,
It has been wholely set a junction part 252, for controlling the device (figure of hydraulic oil input with one in the front end of cylinder 251
Not shown in) be connected, the sidewall of cylinder 251 is provided with one for spacing flange 253, at cylinder
In the through hole of 251, embedding one is with the mandrel 254 of fluid passage, and the outer surface of cylinder 251 is provided with screw thread, uses
In being connected with housing 1.It is wholely set a cone valve 255 on mandrel 254, is positioned at cone valve 255
A sheathed spring 256 on the mandrel 254 of rear end, the front end of spring 256 is fastenedly connected the rear end at cone valve 255
On face, the rear end of spring 256 is against (not shown) on a step surface being arranged on housing 1 leading inside.Normality
Under, the outer surface of cone valve 255 and the inner surface clamping of cylinder 251.During feed liquor force feed, fluid pressure drives
Cone valve 255 compression spring 256, the outer surface of cone valve 255 departs from the inner surface of cylinder 251, now
Hydraulic line valve 25 is opened.
In above-described embodiment, it is spaced in the rear end of boosting cylinder 21 and is fastenedly connected multiple mandrel 27, corresponding thereto,
The front interval of boosting cylinder 22 is fastenedly connected multiple mandrel 28, the two ends of each spring 23 be respectively sleeved at a mandrel 27,
On 28.
In above-described embodiment, the outer wall of the first ball valve core 7 is offered a long cell body 29, long cell body 29 and the first ball
The through hole 6 of spool 7 is connected (as shown in Figure 4), for dredging highly pressurised liquid when the first ball valve core 7 is opened.?
Offering a long cell body 30 on the outer wall of the second ball valve core 11, long cell body 30 is connected with the through hole 10 of the second ball valve core 11
Logical, for dredging highly pressurised liquid when the second ball valve core 11 is opened.
In above-described embodiment, at housing 1 and the first location valve seat 5, first piston 17, boosting cylinder 21, boosting cylinder 22
It is respectively arranged with a sealing ring with the junction of the second piston 18.The first location valve seat 5 and first piston 17, the
One piston 17 and middle connecting cylinder 13, middle connecting cylinder 13 and second ball-collecting rack valve seat the 12, second ball-collecting rack valve seat 12 and
The junction of boosting cylinder 22 and the second piston 18 and joint 3 is respectively arranged with a sealing ring.Set in the rear end of joint 3
It is equipped with a ring fillister body 33, it is possible to realize it and be connected with half envelope ram preventer (not shown), it is possible to
Prevent oil gas from leaking outside and external sea water immerses.A plurality of hydraulic line (figure it is disposed with in the inwall at the rear portion of joint 3
Not shown in), for controlling the circulation of hydraulic oil.
During as it is shown in figure 1, the present invention uses, the front end of housing 1 and test string well head or the adapter of completion tubular column
Match, when feed liquor force feed, hydraulic line valve 25 is separately turned on, wherein a hydraulic line 24
Under effect, first piston 17 rearward movement, drive the first ball valve core 7 to rotate by two first connecting rods 19.At another
Under the effect of bar hydraulic line 24, the second piston 18 travels forward, and drives the second ball valve core by two second connecting rods 20
11 rotate, and make the through hole 6 of the first ball valve core 7 be connected with the through hole 10 of the second ball valve core 11, thus realize this
Bright unlatching.
After completing the state of feed liquor force feed, under the effect of spring 23, first piston 17 drives respectively with the second piston 18
Dynamic first ball valve core the 7, second ball valve core 11 rotates, thus realizes the first ball valve core 7 and close with the second ball valve core 11.
Under spring 23 acts on, move make the first ball valve core 7 and the if first piston 17 and the second piston 7 can not be ordered about
Two ball valve cores 11 completely close or for improving the stability of closed mode, can extend in the middle part of housing 1 to the port of export
It is passed through hydraulic oil in 3rd hydraulic line of cavity, drives first to live under the effect of high-pressure oil gas and spring 23 further
Plug 17 and second piston 18, thus realize the closing assisted of the first ball valve core 7 and the second ball valve core 11.It addition,
During emergency cut-off, when having barrier (such as cable or coiled tubing) to pass inside the present invention, only by bullet
The pressure of spring 23 is to be unable to completely close the first ball valve core 7 and the second ball valve core 11.At this point it is possible to prolong to the port of export
It is passed through hydraulic oil in extending the 3rd hydraulic line of the cavity in the middle part of housing 1 to pressurize, thus carries out closing the second ball
Spool 11, and promote coiled tubing or cable are sheared, it is achieved effective closedown of the second ball valve core 11, closure
Down-hole high pressure oil gas.
Under the normality of non-feed liquor force feed, owing to hydraulic line valve 25 is in closed mode, under the effect of spring 23,
So the first ball valve core 7 and the second ball valve core 11 are in closed mode, form dual protection mechanism, it is possible to achieve high
Effect and the closure down-hole high pressure oil gas of safety.
In above-described embodiment, the various embodiments described above are merely to illustrate the present invention, the structure of the most each parts, connected mode
Can be varied from Deng all, every equivalents carried out on the basis of technical solution of the present invention and improvement, all
Should not get rid of outside protection scope of the present invention.
Claims (10)
1. one kind is used for marine test string and the hydraulic operated valve of completion tubular column, it is characterised in that: it includes the shell of a tubulose
Body, the rear end of described housing is fastenedly connected a joint, described joint is provided with one and is connected with described enclosure interior
Through hole, the front end of described joint is wholely set an external part extended to described enclosure interior, described external part and institute
State and leave annular gap between the inwall of housing；It is fastenedly connected one first in described enclosure interior near the position of front end to determine
Position valve seat, leaves annular gap, described first location valve seat between described first location valve seat and the inwall of described housing
Rear end face support one with the first ball valve core of a through hole rotationally, set in the inner side of the described external part of described joint
Being equipped with a step surface, described step surface connects one second location valve seat, described second location valve seat by one first spring
Front end face support one with the second ball valve core of another through hole rotationally, the front end of described second ball valve core connects rotationally
Connecing one second ball-collecting rack valve seat, the front end of described second ball-collecting rack valve seat is fastenedly connected a middle connecting cylinder, described middle connection
Cylinder is provided with another step surface near the inner side of front end, and another step surface described connects one first by one second spring
Ball-collecting rack valve seat, the front end of described first ball-collecting rack valve seat connects the first ball valve core rotationally, in described middle connecting cylinder and institute
State and between the inwall of housing, connect more than one limited block；A sheathed first piston on valve seat is positioned described first；
On the described external part of described joint, sheathed one second piston, is rotationally connected two first in the inner side of described first piston
Connecting rod, described in two, first connecting rod is symmetrical set, and the other end of first connecting rod described in two is all rotatably connected on described first
On ball valve core；Being rotationally connected two second connecting rods in the inner side of described second piston, described in two, second connecting rod is symmetrical set,
The other end of second connecting rod described in two is all rotatably connected on the second ball valve core；In the rear end of described first piston and described
The front end of the second piston is fastenedly connected one first boosting cylinder, the second boosting cylinder respectively, at described first boosting cylinder and described
Between second boosting cylinder, connection has two or more is spaced apart 3rd spring；
Being disposed with three hydraulic lines in the inwall of described housing, the entrance point of each described hydraulic line all sets with one
Putting the hydraulic line valve at described housing forward end to be connected, wherein described in one, the hydraulic line port of export extends to described first
In gap between piston nose face and described housing, the port of export of another described hydraulic line extends to described second and lives
In gap between plug rear end face and described housing, described in the 3rd, the port of export of hydraulic line extends to described housing central section
In toroidal cavity between boosting cylinder described in two.
It is a kind of for marine test string and the hydraulic operated valve of completion tubular column, it is characterised in that:
The rear end of described second ball-collecting rack valve seat is symmetrically arranged with two first supporting plates, is respectively provided with in the inner side of the first supporting plate described in two
Having one first arcuate groove, each described first arcuate groove all outer walls with described second ball valve core fit, described in two
The rear end of one supporting plate is respectively arranged with one first arc surface；Described first ball-collecting rack valve seat be symmetrically arranged at the front end with two second
Supporting plate, is respectively arranged with one second arcuate groove in the inner side of the second supporting plate described in two, each described second arcuate groove all with
The outer wall of described first ball valve core fits, and is respectively arranged with one second arc surface in the front end of supporting plate described in two；Institute
State to be respectively symmetrically on the outer wall of the first ball valve core and described second ball valve core and cut out two circular arcs and stretch out platform；Described second ball
Described first arc surface on first supporting plate described in the two of frame valve seat is against the described circular arc on described second ball valve core respectively
Stretch out on platform；Described arc surface on supporting plate described in the two of described first ball-collecting rack valve seat is against described first ball valve core respectively
On described circular arc stretch out on platform.
It is a kind of for marine test string and the hydraulic operated valve of completion tubular column, it is characterised in that:
Each described hydraulic line valve includes one with the cylinder of a through hole, being wholely set one in described cylindrical front end
Connection member, is provided with a flange on described cylindrical sidewall, embeds one in described cylindrical described through hole
With the mandrel of fluid passage, described cylindrical outer surface is provided with screw thread；It has been wholely set one on described mandrel
Cone valve, sheathed one the 4th spring on the described mandrel being positioned at described cone valve rear end, described 4th spring
Front end is fastenedly connected on the rear end face of described cone valve, and the rear end of described 4th spring is against one and is arranged on described shell
On the step surface of body leading inside.
It is a kind of for marine test string and the hydraulic operated valve of completion tubular column, it is characterised in that:
Each described hydraulic line valve includes one with the cylinder of a through hole, being wholely set one in described cylindrical front end
Connection member, is provided with a flange on described cylindrical sidewall, embeds one in described cylindrical described through hole
With the mandrel of fluid passage, described cylindrical outer surface is provided with screw thread；It has been wholely set one on described mandrel
Cone valve, sheathed one the 4th spring on the described mandrel being positioned at described cone valve rear end, described 4th spring
Front end is fastenedly connected on the rear end face of described cone valve, and the rear end of described 4th spring is against one and is arranged on described shell
On the step surface of body leading inside.
The most as claimed in claim 1 or 2 or 3 or 4 is a kind of for marine test string and the hydraulic operated valve of completion tubular column,
It is characterized in that: be fastenedly connected multiple first mandrel, in described second boosting at interval, the rear end of described first boosting cylinder
The front interval of cylinder is fastenedly connected multiple second mandrel, and the two ends of each described 3rd spring are respectively sleeved at described first
On mandrel and described second mandrel.
The most as claimed in claim 1 or 2 or 3 or 4 is a kind of for marine test string and the hydraulic operated valve of completion tubular column,
It is characterized in that: offering one first long cell body on the outer wall of described first ball valve core, described first long cell body is with described
The described through hole of the first ball valve core is connected；The outer wall of described second ball valve core is offered one second long cell body, described
Second long cell body is connected with the described through hole of described second ball valve core.
It is a kind of for marine test string and the hydraulic operated valve of completion tubular column, it is characterised in that:
The outer wall of described first ball valve core is offered one first long cell body, described first long cell body and described first ball valve core
Described through hole is connected；The outer wall of described second ball valve core offers one second long cell body, described second long cell body with
The described through hole of described second ball valve core is connected.
8. a kind of for marine test string and the liquid of completion tubular column as described in claim 1 or 2 or 3 or 4 or 7
Dynamic valve, it is characterised in that: in described housing and described first location valve seat, described first piston, described first boosting
The junction of cylinder, described second boosting cylinder and described second piston is respectively arranged with a sealing ring；Position described first
Valve seat and described first piston, described first piston and described middle connecting cylinder, described middle connecting cylinder and described second
The junction of ball-collecting rack valve seat, described second ball-collecting rack valve seat and described second boosting cylinder and described second piston and described joint
It is respectively arranged with a sealing ring；A ring fillister body it is provided with, at the rear portion of described joint in the rear end of described joint
Inwall in be disposed with a plurality of hydraulic line.
It is a kind of for marine test string and the hydraulic operated valve of completion tubular column, it is characterised in that:
At described housing and described first location valve seat, described first piston, described first boosting cylinder, described second boosting cylinder
It is respectively arranged with a sealing ring with the junction of described second piston；Described first position valve seat and described first piston,
Described first piston and described middle connecting cylinder, described middle connecting cylinder and described second ball-collecting rack valve seat, described second ball
Frame valve seat is respectively arranged with a sealing ring with the junction of described second boosting cylinder and described second piston and described joint；
It is provided with a ring fillister body in the rear end of described joint, the inwall at the rear portion of described joint is disposed with a plurality of liquid
Pressure pipeline.
A kind of for marine test string and the hydraulic operated valve of completion tubular column, its feature exists
In: at described housing and described first location valve seat, described first piston, described first boosting cylinder, described second help
The junction of pushing cylinder and described second piston is respectively arranged with a sealing ring；Valve seat and described first is positioned described first
Piston, described first piston and described middle connecting cylinder, described middle connecting cylinder and described second ball-collecting rack valve seat, described
It is close that second ball-collecting rack valve seat and described second boosting cylinder and described second piston and the junction of described joint are respectively arranged with one
Seal；It is provided with a ring fillister body in the rear end of described joint, is disposed with in the inwall at the rear portion of described joint
A plurality of hydraulic line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187044.9A CN105840172B (en) | 2016-03-29 | 2016-03-29 | Hydraulic valve for offshore testing pipe column and well completion pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187044.9A CN105840172B (en) | 2016-03-29 | 2016-03-29 | Hydraulic valve for offshore testing pipe column and well completion pipe column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105840172A true CN105840172A (en) | 2016-08-10 |
| CN105840172B CN105840172B (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610187044.9A Active CN105840172B (en) | 2016-03-29 | 2016-03-29 | Hydraulic valve for offshore testing pipe column and well completion pipe column |
Country Status (1)
| Country | Link |
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| CN (1) | CN105840172B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252682A (en) * | 2018-01-31 | 2018-07-06 | 中国海洋石油集团有限公司 | A kind of marine oil and gas test string controls bivalve |
| CN112012668A (en) * | 2020-10-12 | 2020-12-01 | 西南石油大学 | Deepwater oil-gas well completion operation pipe string releasing, plugging and shearing integrated device |
| JP2023099343A (en) * | 2021-12-30 | 2023-07-12 | 西南石油大学 | Electro-hydraulic landing string safety control device for deep water well completion testing |
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| GB0500800D0 (en) * | 2004-02-05 | 2005-02-23 | Bj Services Co | Flow control valve |
| CN201187279Y (en) * | 2007-12-03 | 2009-01-28 | 大港油田集团有限责任公司 | Downhole differential pressure type normal open valve |
| CN105134096A (en) * | 2015-08-28 | 2015-12-09 | 西南石油大学 | Disengagement system connecting device for offshore testing pipe strings |
| CN205477581U (en) * | 2016-03-29 | 2016-08-17 | 中国海洋石油总公司 | A hydraulic operated valve for marine testing string and completion pipe string |
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2016
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0500800D0 (en) * | 2004-02-05 | 2005-02-23 | Bj Services Co | Flow control valve |
| CN201187279Y (en) * | 2007-12-03 | 2009-01-28 | 大港油田集团有限责任公司 | Downhole differential pressure type normal open valve |
| CN105134096A (en) * | 2015-08-28 | 2015-12-09 | 西南石油大学 | Disengagement system connecting device for offshore testing pipe strings |
| CN205477581U (en) * | 2016-03-29 | 2016-08-17 | 中国海洋石油总公司 | A hydraulic operated valve for marine testing string and completion pipe string |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252682A (en) * | 2018-01-31 | 2018-07-06 | 中国海洋石油集团有限公司 | A kind of marine oil and gas test string controls bivalve |
| CN112012668A (en) * | 2020-10-12 | 2020-12-01 | 西南石油大学 | Deepwater oil-gas well completion operation pipe string releasing, plugging and shearing integrated device |
| CN112012668B (en) * | 2020-10-12 | 2021-05-04 | 西南石油大学 | Deepwater oil-gas well completion operation pipe string releasing, plugging and shearing integrated device |
| JP2023099343A (en) * | 2021-12-30 | 2023-07-12 | 西南石油大学 | Electro-hydraulic landing string safety control device for deep water well completion testing |
| JP7355428B2 (en) | 2021-12-30 | 2023-10-03 | 西南石油大学 | Electro-hydraulic landing string safety control device for deepwater well completion testing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105840172B (en) | 2023-04-18 |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Applicant after: CHINA NATIONAL OFFSHORE OIL Corp. Applicant after: CNOOC RESEARCH INSTITUTE Co.,Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Applicant before: CHINA NATIONAL OFFSHORE OIL Corp. Applicant before: CNOOC Research Institute |
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