CN105089555B - Control valve component and its application method - Google Patents
Control valve component and its application method Download PDFInfo
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- CN105089555B CN105089555B CN201510411780.3A CN201510411780A CN105089555B CN 105089555 B CN105089555 B CN 105089555B CN 201510411780 A CN201510411780 A CN 201510411780A CN 105089555 B CN105089555 B CN 105089555B
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- outer barrel
- oil reservoir
- ball
- current divider
- control valve
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Abstract
The invention provides a kind of control valve component and its application method, the control valve component includes：The outer barrel placed vertically, is disposed radially the outer barrel flowing hole of insertion thereon；Be connected to outer barrel lower end lower contact have along outer barrel axially through through hole；The branch chamber of upper end opening and lower end closed is set in the current divider coordinated with the inner wall sealing of outer barrel, be radially arranged on current divider along current divider in the current divider flowing hole for penetrating into branch chamber, the side wall of branch chamber set along outer barrel axially through and with current divider flowing hole mutually disconnected axial flowing hole；Outer barrel flowing hole, current divider flowing hole and branch chamber are sequentially communicated to form first passage, and first passage is connected or separated with the inner chamber of outer barrel upwards by the first on-off component；The through hole of lower contact is connected to form second channel with axial flowing hole, and second channel is connected or separated with the inner chamber of outer barrel upwards by the second on-off component.Control valve component can form different oil transportation paths, rationally play oil reservoir production capacity.
Description
Technical field
The present invention relates to the technical field of petroleum production engineering, more particularly to a kind of control valve component and the control valve component make
Use method.
Background technology
When oilfield exploitation is in the middle and later periods, the production well section in same a bite oil well is more, due to each production well section
Strata pressure it is uneven, can be interfered with each other in exploitation, or even occur to flow backwards phenomenon, such as the liquid of the first oil reservoir above
Body pressure is high, and the fluid pressure of underlying second oil reservoir is low, and the first oil reservoir can be flowed back in the second oil reservoir, conversely, also can
There is the phenomenon that the second oil reservoir is flowed back in the first oil reservoir, the production of the relatively low oil reservoir of influence fluid pressure；So that each is produced
Well section can not normally play each normal production capacity.
To prevent refluence phenomenon in actually exploitation, to give up the relatively low oil reservoir of fluid pressure in exploitation, and it is right
The judgement of the fluid pressure size of oil reservoir, can only rely on the judgement of operator itself.Operator manually select after layer, leads to
Sealing oil reservoir realization frequently with packer selects layer to exploit, therefore oil well can only play the production capacity of part oil reservoir.If layering production,
Layer can be selected again by operation again or using layering production device, so to realize effective exploitation, it is normal to play oil well production
Can, select layer and changing during layer to spend higher cost and time, reduce production production capacity and efficiency.
The content of the invention
To solve above-mentioned technical problem, the present invention proposes a kind of control valve component and its application method, the control valve
Component forms different oil transportation paths to different oil reservoirs；Using the application method of control valve component, can according to the pressure of oil reservoir from
Dynamic selection oil reservoir, makes oil reservoir production capacity reasonably play.
A kind of control valve component of the present invention includes：
The outer barrel flowing hole penetrated into the outer barrel is radially set on the outer barrel placed vertically, the outer barrel；
Be connected to the lower contact of the outer barrel lower end, the lower contact have along the outer barrel axially through through hole；
Upper end is set to open and lower end closed in the current divider coordinated with the inner wall sealing of the outer barrel, the current divider
Branch chamber；The current divider flowing hole of the branch chamber is penetrated into along being radially arranged for the current divider on the current divider, it is described
Set in the side wall of branch chamber along the outer barrel axially through and with the current divider flowing hole mutually disconnected axial excessively stream
Hole；
The outer barrel flowing hole, the current divider flowing hole and the branch chamber are sequentially communicated to form first passage, described
First passage is connected or separated with the inner chamber of the outer barrel upwards by the first on-off component being placed in the branch chamber；It is described
The through hole of lower contact connects to form second channel with the axial flowing hole, and the second channel is by being placed in the lower contact
The second on-off component connect or separate with the inner chamber of the outer barrel upwards.
As a kind of enforceable mode, first on-off component includes the annular being fixedly installed in the branch chamber
The first ball seat and the first valve ball for being shelved on first ball seat, first ball seat is located at the current divider flowing hole
Top, the liquid of the first extraneous oil reservoir flows into the first passage and the first valve ball described in jack-up, passes through first valve ball
Separate to form the first gap with first ball seat, the liquid of first oil reservoir is flowed upwardly into outside described through first gap
The inner chamber of cylinder；
Second on-off component includes the second annular ball seat being fixedly installed in the lower contact and is shelved on institute
State the second valve ball on the second ball seat, the liquid of the second extraneous oil reservoir is flowed into second described in the through hole of the lower contact and jack-up
Valve ball, separates to form the second gap by second valve ball with second valve seat, and the liquid of second oil reservoir is through second
Gap flows upwardly into the inner chamber of the outer barrel.
Further, the upper end of the current divider laterally sets on the first cover plate, first cover plate and set along described point
Flow device axially through at least one first opening, first valve ball can first cover plate and first ball seat it
Between it is up and down；The upper end of the lower contact laterally sets on the second cover plate, second cover plate and set along the lower contact axle
To at least one second opening of insertion, second valve ball can be between second cover plate and second ball seat above and below
Activity.
As a kind of enforceable mode, first cover plate is integrally formed with the current divider, second cover plate with
The lower contact is integrally formed.
Further, the branch chamber has the first stairstepping inwall, and the upper surface of first ball seat is resisted against described
On the horizontal stand terrace of first stairstepping inwall；The through hole of the lower contact has the second stairstepping inwall, second ball seat
Upper surface be resisted against on the horizontal stand terrace of the second stairstepping inwall.
Further, the lower end closure one of the branch chamber positions separator；The top of the tab-delimited part is along its week
To being arranged at intervals at least two supporting parts, each supporting part is along the axially extending of the current divider, the upper end of the supporting part
The lower surface of first ball seat is resisted against, the bottom of the tab-delimited part is fixedly connected with the current divider；
An annular compression ring is fixedly installed in the through hole of the lower contact, the upper surface of the annular compression ring is resisted against described
On the lower surface of two ball seats.
Further, the quantity of the outer barrel flowing hole is identical with the quantity of the current divider flowing hole and is at least two
Individual, the quantity of the supporting part is identical with the quantity of the outer barrel flowing hole.
As a kind of enforceable mode, even circumferential distribution of each outer barrel flowing hole along the outer barrel is each described
Circumference of the current divider flowing hole along the current divider is uniformly distributed, and each supporting part is uniform along the circumference of the tab-delimited part
Distribution.
As a kind of enforceable mode, the quantity of the axial flowing hole is identical with the quantity of the outer barrel flowing hole,
Each axial flowing hole is located between two adjacent current divider flowing holes.
The present invention also proposes a kind of application method of control valve component, using described control valve component, the control valve
The application method of component comprises the following steps：
S10, the control valve component is transferred in producing well, and using packer setting, extraneous oil reservoir is by the envelope
It is divided into the first oil reservoir and underlying second oil reservoir above every device；
S20, the control valve component compares the liquid pressure value of first oil reservoir and the liquid of second oil reservoir automatically
Body pressure value；If the fluid pressure of first oil reservoir is higher than the fluid pressure of second oil reservoir, held after the S20
Row step S30, if the fluid pressure of second oil reservoir is higher than the fluid pressure of first oil reservoir, after the S20
Perform step S40, if the fluid pressure of first oil reservoir be equal to second oil reservoir fluid pressure, the S20 it
The S30 and S40 described in step is performed afterwards；
The S30 is that first passage is connected by the first on-off component with the inner chamber of outer barrel, the liquid of first oil reservoir
The inner chamber of the outer barrel is flowed upwardly into through the first passage, then up successively through being connected to above the control valve component
Telescoping tube, oil well pump enter ground pipeline road；
The S40 is that second channel is connected by the second on-off component with the inner chamber of outer barrel, the liquid of second oil reservoir
The inner chamber of the outer barrel is flowed upwardly into through the second channel, is entered successively through the telescoping tube, the oil well pump then up
The ground pipeline road.
Further, first on-off component includes the first annular ball seat being fixedly installed in branch chamber and shelved
The first valve ball on first ball seat, first ball seat is located at the top of current divider flowing hole, first oil reservoir
Liquid is accumulated in the branch chamber and the first valve ball described in jack-up, first valve ball and described first through the first passage
Ball seat separation connects the first passage and the inner chamber of the outer barrel；
Second on-off component includes the second annular ball seat for being fixedly installed in lower contact and is shelved on described the
The second valve ball on two ball seats, the liquid of second oil reservoir flows into the through hole and the second valve ball described in jack-up of the lower contact,
Second valve ball is separated with second valve seat connects the second channel and the inner chamber of the outer barrel；
The S30 also includes S31, the liquid of first oil reservoir by the axial flowing hole be downwardly towards it is described under connect
Head, the liquid of first oil reservoir applies pressure to downwards second valve ball, second valve ball is adjacent to second ball seat, institute
The inner chamber for stating second channel and the outer barrel separates；
The S40 also includes S41, and the liquid of second oil reservoir flows upwardly into the outer barrel by the second channel
Inner chamber, the liquid of second oil reservoir applies pressure to downwards first valve ball, first valve ball is adjacent to first ball seat,
The inner chamber of the first passage and the outer barrel separates.
The present invention is compared to the beneficial effect of prior art：The control valve component can form difference to different oil reservoirs
Oil transportation path, the application method of the control valve component automatically selects oil reservoir according to the pressure of oil reservoir, can reasonably play oil
The production capacity of layer, improves the production production capacity and efficiency of oil reservoir, has saved production cost.Avoid the need for operator's artificial judgment oil reservoir
Pressure size selection oil reservoir is exploited, and improves production automation degree；Can also make it is non-interference between each oil transportation path,
When being exploited only with one of oil transportation path, effectively prevent from being formed in another oil transportation path and flow backwards.
Brief description of the drawings
Fig. 1 is overall structure half-section diagram of the invention；
Fig. 2 is the sectional view of Section A-A in Fig. 1；
Fig. 3 is the revolved section schematic diagram of the current divider of the present invention；
Fig. 4 is the sectional view of section B-B in Fig. 3；
Fig. 5 is the schematic cross-sectional view of the tab-delimited part of the present invention；
The schematic diagram that Fig. 6 uses for the present invention in flow string.
10- control valve components；11- top connections；12- outer barrels；122- outer barrel flowing holes；13- current dividers；
The ball seats of 131- first；132- current divider flowing holes；The valve balls of 133- first；134- axial directions flowing hole；
The cover plates of 135- first；137- internal threads；138- the first stairstepping inwalls；
14- lower contacts；The ball seats of 141- second；The valve balls of 143- second；The cover plates of 145- second；
The tab-delimited parts of 15-；152- supporting parts；154- external screw threads；
20- oil well pumps；30- telescoping tubes；40- packers；The oil reservoirs of 50- first；The oil reservoirs of 60- second.
Embodiment
Below in conjunction with accompanying drawing, the technical characteristic above-mentioned and other to the present invention and advantage are clearly and completely described,
Obviously, described embodiment is only the section Example of the present invention, rather than whole embodiments.
Refer to shown in Fig. 1 and Fig. 2, a kind of control valve component 10, including place vertically outer barrel 12, be connected to outer barrel 12
The lower contact 14 of lower end, and the current divider 13 with the inner wall sealing cooperation of outer barrel 12.Set on outer barrel 12 along the radial direction of outer barrel 12
Put the outer barrel flowing hole 122 penetrated into outer barrel 12；Lower contact 14 have along outer barrel 12 axially through through hole.Current divider 13
On middle setting upper end opening and the branch chamber of lower end closed, current divider 13 branch chamber is penetrated into along being radially arranged for current divider 13
Current divider flowing hole 132.
Outer barrel flowing hole 122, current divider flowing hole 132 and branch chamber are sequentially communicated to form first passage, and first passage leads to
The first on-off component being placed in branch chamber is crossed to connect or separate with the inner chamber of outer barrel 12 upwards.Incorporated by reference to shown in Fig. 3 and Fig. 4,
Set in the side wall of branch chamber along outer barrel 12 axially through and with current divider flowing hole 132 mutually disconnected axial flowing hole
134, the through hole of lower contact 14 connects to form second channel with axial flowing hole 134, and second channel is by being placed in lower contact 14
The second on-off component connect or separate with the inner chamber of outer barrel 12 upwards.Control valve component 10 can form different to different oil reservoirs
Oil transportation path：The liquid of the top oil reservoir in position is transported to the inner chamber of outer barrel 12 by first passage, second channel by position on the lower
The liquid of oil reservoir be transported to the inner chamber of outer barrel 12.
As a kind of enforceable mode, ask shown in Fig. 1 and Fig. 6, the first on-off component includes the first ball seat 131 and shelved
The first valve ball 133 on the first ball seat 131.First ball seat 131 of annular is fixedly installed in branch chamber, the first ball seat 131
Positioned at the top of current divider flowing hole 132, the liquid of the first extraneous oil reservoir 50 flows into first passage and the valve ball of jack-up first
133, separate to form the first gap with the first ball seat 131 by the first valve ball 133, the liquid of the first oil reservoir 50 through the first gap to
The upper inner chamber for flowing into outer barrel 12, the liquid of the first oil reservoir 50 is flowed upwardly into outer barrel 12 through first passage and the first gap successively
Chamber.
Second on-off component includes the second ball seat 141 and the second valve ball 143 being shelved on the second ball seat 141.Annular
Second ball seat 141 is fixedly installed in lower contact 14, and the liquid of the second extraneous oil reservoir 60 flows into through hole and the top of lower contact 14
The second valve ball 143 is played, separates to form the second gap with the second valve seat 143 by the second valve ball 143, the liquid warp of the second oil reservoir 60
Second gap flows upwardly into the inner chamber of outer barrel 12, and the liquid of the second oil reservoir 60 is successively through second channel, the second gap and axial mistake
Discharge orifice 134 flows upwardly into the inner chamber of outer barrel 12.
When the fluid pressure of the first oil reservoir 50 is higher than the fluid pressure of the second oil reservoir 60, first passage is communicated to outer barrel 12
Inner chamber, meanwhile, the liquid of the first oil reservoir 50 is downwardly towards lower contact 14 by axial flowing hole 134 and applies pressure to the second valve ball
143, the second gap is eliminated, separates second channel.When fluid pressure of the fluid pressure higher than the first oil reservoir 50 of the second oil reservoir 60,
Second channel is communicated to the inner chamber of outer barrel 12, meanwhile, the liquid of the second oil reservoir 60 applies pressure to downwards the first valve ball 133, eliminates the
One gap, separates first passage.When the fluid pressure of the first oil reservoir 50 is equal to the pressure of the second oil reservoir 60, first passage and second
Passage is communicated to the inner chamber of outer barrel 12 simultaneously, common to recover the oil.Control valve component 10 can automatically be selected according to the fluid pressure of oil reservoir
Select oil transportation path, it is to avoid need operator's artificial judgment formation pressure size, improve production automation degree.It can also make
It is non-interference between each oil transportation path, in the fluid pressure of oil reservoir, when being exploited only with one of oil transportation path, effectively
Prevent from being formed in another oil transportation path and flow backwards.
As another enforceable mode, one can also be shelved respectively on the first ball seat 131 or the second ball seat 141 and fallen
The circular cone put, can separate with corresponding ball seat, make corresponding first passage upwards under the fluid pressure effect of corresponding oil reservoir
Or second channel is connected with outer barrel 12 respectively.First passage or second channel and outer barrel 12 can also be realized using other valves
Inner chamber connection or separate.First valve ball 133 and the second valve ball 143 it is simple in construction, it is easy for installation, be conducive to returning after separation
Position, reliability is high in actual use.
Further, as shown in figure 3, the upper end transverse direction of current divider 13 sets and set on the first cover plate 135, the first cover plate 135
Put along current divider 13 axially through at least one first opening, the first valve ball 133 can be in the first cover plate 135 and the first ball seat
It is up and down between 131；First cover plate 135 defines the extreme higher position that the first valve ball 133 is moved upwards, prevents that entering first leads to
When the fluid pressure of first oil reservoir 50 in road is excessive, the first valve ball 133 is impacted to the inner chamber of outer barrel 12.
Set as shown in figure 1, the upper end of lower contact 14 is laterally set on the second cover plate 145, the second cover plate 145 along lower contact
14 axially through at least one second opening, the second valve ball 143 can be between the second cover plate 145 and the second ball seat 141 on
Lower activity；Second cover plate 145 defines the extreme higher position that the second valve ball 143 is moved upwards, prevents from entering the oil of second channel second
When the fluid pressure of layer 60 is excessive, the second valve ball 143 is impacted on precalculated position, is unfavorable for the return of the second valve ball 143.This
In embodiment, the first cover plate 135 and the second cover plate 145 are network structure.
As a kind of enforceable mode, the first cover plate 135 is integrally formed with current divider 13, and the second cover plate 145 connects with
First 14 are integrally formed.Integrally formed structure is reliable, is not susceptible to damage in the case that in excessively stream, hydraulic shock power is larger, also
The first cover plate 135 and the second cover plate 145 can be respectively mounted fixed to current divider 13 and lower contact using connectors such as screws
14.Further, branch chamber has the first stairstepping inwall 138, and the upper surface of the first ball seat 131 is resisted against in the first stairstepping
On the horizontal stand terrace of wall 138；The through hole of lower contact 14 has the second stairstepping inwall, the upper surface of the second ball seat 141 against
On the horizontal stand terrace of the second stairstepping inwall.It is assembled with control valve component 10 after current divider 13, first by the first valve
Ball 133 is placed on the lower section of the first cover plate 135, is then pushed into the first ball seat 131 in current divider 13, then by the first ball seat 131
It is fixed in current divider 13, limits the up and down interval of the first valve ball 131.Again lower contact is assembled in control valve component 10
14, the second valve ball 143 is placed on to the lower section of the second cover plate 135 afterwards, the second ball seat 141 is then pushed into lower contact 14,
The second ball seat 141 is fixed in lower contact 14 again, the up and down interval of the second valve ball 143 is limited.
Further, incorporated by reference to shown in Fig. 1 and Fig. 5, the lower end closure one of branch chamber positions separator 15；Tab-delimited part
15 top is provided at circumferentially spaced at least two supporting parts 152 along it, and each supporting part 152 is propped up along the axially extending of current divider 13
The upper end of support part 152 is resisted against the lower surface of the first ball seat 131, and the bottom of tab-delimited part 15 is fixedly connected with current divider 13.
More preferably, as shown in figure 3, current divider 13 have along its axially through central through hole, it is logical by tab-delimited Jian15 centers
The closure of hole lower end forms the branch chamber of upper end opening and lower end closed in current divider 13.In the central through hole of current divider 13
Internal thread 137 is set on wall, and the bottom of tab-delimited part 15 sets external screw thread 154, and external screw thread 154 is engaged with internal thread 137
Tab-delimited part 15 is fixed in current divider 13, so that the first ball seat 131 is held securely against into the first stairstepping inwall 138
Horizontal stand terrace on.
An annular compression ring is fixedly installed in the through hole of lower contact 14, the upper surface of annular compression ring is resisted against the second ball seat 141
Lower surface on.More preferably, the lateral wall of annular compression ring and the through-hole wall of lower contact 14 are connected through a screw thread, by annular compression ring
It is fixed in lower contact 14, so as to the second ball seat 141 is held securely against on the horizontal stand terrace of the second stairstepping inwall.
Further, as shown in Figure 2 and Figure 5, the quantity of outer barrel flowing hole 122 and the quantity phase of current divider flowing hole 132
With and be at least two, in the present embodiment, outer barrel flowing hole 122, current divider flowing hole 132 and the quantity of supporting part 152 are
Four, multiple first passages are formed along the circumference of outer barrel 12, are conducive to the liquid of the first oil reservoir 50 to be rapidly introduced into first passage,
Improve exploitation rate and efficiency.The quantity of supporting part 152 is identical with the quantity of outer barrel flowing hole 122, so can effectively by
The contact of first ball seat 131 forms multiple strong points in current divider 13 on the first ball seat 131, it is to avoid the stress of the first ball seat 131
It is uneven.
As a kind of enforceable mode, even circumferential distribution of each outer barrel flowing hole 122 along outer barrel 12, each current divider mistake
Circumference of the discharge orifice 132 along current divider 13 is uniformly distributed, and circumference of each supporting part 152 along tab-delimited part 15 is uniformly distributed, uniformly
The flowing hole of distribution ensure that the liquid levelling in control valve component 10 is steady.It is used as a kind of enforceable mode, axial flowing hole 134
Quantity it is identical with the quantity of outer barrel flowing hole 122, each axial flowing hole 134 be located at two adjacent current divider flowing holes 132
Between.
The present invention also proposes a kind of application method of control valve component, as shown in figures 1 to 6, using described control valve
Component 10, the application method of control valve component comprises the following steps：
S10, control valve component 10 is transferred in producing well, is set using packer 40, and extraneous oil reservoir is by packer
40 points are the first oil reservoir 50 and underlying second oil reservoir 60 above；
S20, control valve component compares the liquid pressure value of the first oil reservoir 50 and the liquid pressure value of the second oil reservoir 60 automatically；
If the fluid pressure of the first oil reservoir 50 is higher than the fluid pressure of the second oil reservoir 60, step S30 is performed after s 20, if the
The fluid pressure of two oil reservoirs 60 is higher than the fluid pressure of the first oil reservoir 50, step S40 is performed after s 20, if the first oil reservoir
50 fluid pressure is equal to the fluid pressure of the second oil reservoir 60, and step S30 and S40 are performed after s 20.
S30 is that first passage is connected by the first on-off component with the inner chamber of outer barrel 12, and the liquid of the first oil reservoir 50 is through
One passage flows upwardly into the inner chamber of outer barrel 12, then up successively through being connected to the telescoping tube 30 of the top of control valve component 10, taking out
Oil pump 20 enters ground pipeline road.
S40 is that second channel is connected by the second on-off component with the inner chamber of outer barrel 12, and the liquid of the second oil reservoir 60 is through
Two passages flow upwardly into the inner chamber of outer barrel 12, enter ground pipeline road through telescoping tube 30, oil well pump 20 successively then up.
S30 and S40 is performed simultaneously, and first passage and second channel are exploited simultaneously.
The application method of above-mentioned control valve component can automatically select oil reservoir according to the pressure of oil reservoir, according to the reality of oil reservoir
Pressure condition, reasonably plays the production capacity of each oil reservoir, improves the production production capacity and efficiency of oil reservoir, has saved production cost.Together
When avoid the need for operator's artificial judgment formation pressure size selection oil reservoir exploited, improve production automation degree.
In the present embodiment, oil well pump 20 is connected by screw thread with telescoping tube 30, and telescoping tube 30 is joined directly together or led to control valve component 10
Some oil pipes are crossed to be indirectly connected to.
Further, the first on-off component includes the first ball seat 131 and the first valve ball being shelved on the first ball seat 131
133, the first annular ball seat 131 is fixedly installed in branch chamber, and the first ball seat 131 is located at the top of current divider flowing hole 132,
The liquid of first oil reservoir 50 is accumulated in branch chamber and the first valve ball of jack-up 133, the first valve ball 133 and the first ball through first passage
The separation of seat 131 connects first passage and the inner chamber of outer barrel 12.Second on-off component includes the second ball seat 141 and is shelved on second
The second valve ball 143 on ball seat 141, the second annular ball seat 141 is fixedly installed in lower contact 14, the liquid of the second oil reservoir 60
The through hole and the second valve ball of jack-up 143 of lower contact 14 are flowed into, the second valve ball 143 is separated with the second valve seat makes second channel and outer barrel
12 inner chamber connection.
S30 also includes S31, and the liquid of the first oil reservoir 50 is downwardly towards lower contact 14, the first oil by axial flowing hole 134
The liquid of layer 50 applies pressure to downwards the second valve ball 143, the second valve ball 143 is adjacent to the second ball seat 141, second channel and outer barrel 12
Inner chamber cut-off.
S40 also includes S41, and the liquid of the second oil reservoir 60 flows upwardly into the inner chamber of outer barrel 12, the second oil by second channel
The liquid of layer 60 applies pressure to downwards the first valve ball 133, the first valve ball 133 is adjacent to the first ball seat 131, first passage and outer barrel 12
Inner chamber cut-off.
Designed more than, when being exploited only with first passage, separate second channel；Exploited only with second channel
When, separate first passage.The application method of control valve component can also make it is non-interference between each oil transportation path, only with wherein
During one oil transportation path exploitation, effectively prevent from being formed in another oil transportation path and flow backwards.The pressure of first oil reservoir 50 is higher than the
The pressure of two oil reservoirs 60, the liquid of the first oil reservoir 50 successively through outer barrel flowing hole 122, current divider flowing hole 132, the first gap to
Upper entrance outer barrel 12, while the liquid of the first oil reservoir 50 acts on the second valve ball 143 downwards by axial flowing hole 134, makes
Two valve balls 143 are adjacent to the second ball seat 141.The pressure of first oil reservoir 50 is less than the pressure of the second oil reservoir 60, the liquid of the second oil reservoir 60
Body is upwardly into outer barrel 12 through lower contact 14, the second gap, axial flowing hole 134 successively, while the liquid of the second oil reservoir 60 is made
For the first valve ball 133, the first valve ball 133 is set to be adjacent to the first ball seat 131.
In the present embodiment, current divider 13 is located at the middle part of outer barrel 12, and is fixed by a pin in outer barrel 12.Lower contact 14
It is connected by screw thread with outer barrel 12.More preferably, the upper end of lower contact 14 extends against the lower surface of current divider 13, it is to avoid second
After the liquid outflow lower contact 14 of oil reservoir 60, inner chamber of the outer barrel 12 between lower contact 14 and current divider 13 is first flowed into, then upwards
Axial flowing hole 134 is flowed into, the resistance that the liquid of the second oil reservoir 60 is delivered up so is added, reduces production efficiency.
The liquid of first oil reservoir 50 can also reduce its flow resistance when flowing downwardly into lower contact 14.The upper end of lower contact 14 is extended against
The lower surface of current divider 13, allows the liquid of the second oil reservoir 60 to flow directly into axial flowing hole by the through hole of lower contact 14
134。
More preferably, diameter of the through hole of lower contact 14 on the upper surface of lower contact 14 is surrounded with each axial flowing hole 134
The overall diameter of circular contour be adapted, the liquid of the second oil reservoir 60 is smoothly flowed therein axial mistake after the outflow of lower contact 14
Discharge orifice 134.Meanwhile, guide face can be set in the upper end of the through-hole wall of lower contact 14, to reduce liquid in lower contact 14 and divide
The resistance flowed between stream device 13.The upper end of outer barrel 12 is connected to connect the top connection 11 of other downhole tools.
Particular embodiments described above, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, it will be appreciated that the foregoing is only the specific embodiment of the present invention, the protection being not intended to limit the present invention
Scope.Particularly point out, to those skilled in the art, within the spirit and principles of the invention, that is done any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (11)
1. a kind of control valve component, it is characterised in that the control valve component includes：
The outer barrel flowing hole penetrated into the outer barrel is radially set on the outer barrel placed vertically, the outer barrel；
Be connected to the lower contact of the outer barrel lower end, the lower contact have along the outer barrel axially through through hole；
Upper end opening and the shunting of lower end closed are set in the current divider coordinated with the inner wall sealing of the outer barrel, the current divider
Chamber；The current divider flowing hole of the branch chamber is penetrated into along being radially arranged for the current divider on the current divider, the shunting
Set in the side wall of chamber along the outer barrel axially through and with the current divider flowing hole mutually disconnected axial flowing hole；
The outer barrel flowing hole, the current divider flowing hole and the branch chamber are sequentially communicated to form first passage, and described first
Passage is connected or separated with the inner chamber of the outer barrel upwards by the first on-off component being placed in the branch chamber；Connect under described
The through hole of head connects to form second channel with the axial flowing hole, the second channel by be placed in the lower contact the
Two on-off components are connected or separated with the inner chamber of the outer barrel upwards；
The control valve component can automatically select oil transportation path according to the fluid pressure of oil reservoir：The first passage is top by position
The liquid of the first oil reservoir be transported to the inner chamber of the outer barrel, the liquid of second oil reservoir of the second channel by position on the lower is defeated
It is sent to the inner chamber of the outer barrel；
When the fluid pressure of first oil reservoir is higher than the fluid pressure of second oil reservoir, the first passage is communicated to described
The inner chamber of outer barrel, meanwhile, the liquid of first oil reservoir separates the second channel by second on-off component；When described
The fluid pressure of second oil reservoir is higher than the fluid pressure of first oil reservoir, and the second channel is communicated to the interior of the outer barrel
Chamber, meanwhile, the liquid of second oil reservoir separates the first passage by first on-off component；When first oil reservoir
Fluid pressure be equal to the pressure of second oil reservoir, the first passage and the second channel are communicated to the outer barrel simultaneously
Inner chamber, it is common to recover the oil.
2. control valve component according to claim 1, it is characterised in that first on-off component includes being fixedly installed on
The first annular ball seat and the first valve ball being shelved on first ball seat in the branch chamber, first ball seat are located at
The top of the current divider flowing hole, the liquid of the first extraneous oil reservoir flows into the first passage and the first valve described in jack-up
Ball, separates to form the first gap by first valve ball with first ball seat, and the liquid of first oil reservoir is through described
One gap flows upwardly into the inner chamber of the outer barrel；
Second on-off component includes the second annular ball seat for being fixedly installed in the lower contact and is shelved on described the
The second valve ball on two ball seats, the liquid of the second extraneous oil reservoir flows into the through hole and the second valve described in jack-up of the lower contact
Ball, separates to form the second gap by second valve ball with second valve seat, and the liquid of second oil reservoir is through between second
Gap flows upwardly into the inner chamber of the outer barrel.
3. control valve component according to claim 2, it is characterised in that the upper end of the current divider laterally sets first to cover
Set on plate, first cover plate along the current divider axially through at least one first opening, the first valve ball energy
It is up and down between first cover plate and first ball seat；The upper end of the lower contact laterally sets the second cover plate, institute
State set on the second cover plate along the lower contact axially through at least one second opening, second valve ball can be described
It is up and down between second cover plate and second ball seat.
4. control valve component according to claim 3, it is characterised in that first cover plate and current divider one into
Type, second cover plate is integrally formed with the lower contact.
5. control valve component according to claim 2, it is characterised in that the branch chamber has the first stairstepping inwall,
The upper surface of first ball seat is resisted against on the horizontal stand terrace of the first stairstepping inwall；The through hole tool of the lower contact
There is the second stairstepping inwall, the upper surface of second ball seat is resisted against on the horizontal stand terrace of the second stairstepping inwall.
6. control valve component according to claim 5, it is characterised in that the lower end closure one of the branch chamber is tab-delimited
Part；The top of the tab-delimited part is provided at circumferentially spaced at least two supporting parts along it, and each supporting part is along the shunting
Device it is axially extending, the upper end of the supporting part is resisted against the lower surface of first ball seat, the bottom of the tab-delimited part
It is fixedly connected with the current divider；
An annular compression ring is fixedly installed in the through hole of the lower contact, the upper surface of the annular compression ring is resisted against second ball
On the lower surface of seat.
7. control valve component according to claim 6, it is characterised in that the quantity of the outer barrel flowing hole and the shunting
The quantity of device flowing hole is identical and is at least two, and the quantity of the supporting part is identical with the quantity of the outer barrel flowing hole.
8. control valve component according to claim 7, it is characterised in that circle of each outer barrel flowing hole along the outer barrel
Week is uniformly distributed, and circumference of each current divider flowing hole along the current divider is uniformly distributed, and each supporting part is along described fixed
The circumference of position separator is uniformly distributed.
9. control valve component according to claim 7, it is characterised in that the quantity of the axial flowing hole and the outer barrel
The quantity of flowing hole is identical, and each axial flowing hole is located between two adjacent current divider flowing holes.
10. a kind of application method of control valve component, it is characterised in that using the control valve described in any one of claim 1 to 9
Component, the application method of the control valve component comprises the following steps：
S10, the control valve component is transferred in producing well, and using packer setting, extraneous oil reservoir is by the packer
It is divided into the first oil reservoir and underlying second oil reservoir above；
S20, the control valve component compares the liquid pressure value of first oil reservoir and the liquid pressure of second oil reservoir automatically
Force value；If the fluid pressure of first oil reservoir is higher than the fluid pressure of second oil reservoir, step is performed after the S20
Rapid S30, if the fluid pressure of second oil reservoir is higher than the fluid pressure of first oil reservoir, is performed after the S20
Step S40, if the fluid pressure of first oil reservoir is equal to the fluid pressure of second oil reservoir, holds after the S20
S30 described in the row step and S40；
The S30 is that first passage is connected by the first on-off component with the inner chamber of outer barrel, and the liquid of first oil reservoir is through institute
The inner chamber that first passage flows upwardly into the outer barrel is stated, it is flexible above the control valve component through being connected to successively then up
Pipe, oil well pump enter ground pipeline road；
The S40 is that second channel is connected by the second on-off component with the inner chamber of outer barrel, and the liquid of second oil reservoir is through institute
The inner chamber that second channel flows upwardly into the outer barrel is stated, enters described through the telescoping tube, the oil well pump successively then up
Ground pipeline road.
11. the application method of control valve component according to claim 10, it is characterised in that the first on-off component bag
Include the first annular ball seat being fixedly installed in branch chamber and the first valve ball being shelved on first ball seat, described first
Ball seat is located at the top of current divider flowing hole, and the liquid of first oil reservoir is accumulated in the branch chamber through the first passage
And the first valve ball described in jack-up, first valve ball is separated with first ball seat makes the interior of the first passage and the outer barrel
Chamber is connected；
Second on-off component includes the second annular ball seat being fixedly installed in lower contact and is shelved on second ball
The second valve ball on seat, the liquid of second oil reservoir flows into the through hole and the second valve ball described in jack-up of the lower contact, described
Second valve ball is separated with second valve seat connects the second channel and the inner chamber of the outer barrel；
The S30 also includes S31, and the liquid of first oil reservoir is downwardly towards the lower contact by the axial flowing hole,
The liquid of first oil reservoir applies pressure to downwards second valve ball, second valve ball is adjacent to second ball seat, described
The inner chamber of second channel and the outer barrel separates；
The S40 also includes S41, and the liquid of second oil reservoir is flowed upwardly into the outer barrel by the second channel
Chamber, the liquid of second oil reservoir applies pressure to downwards first valve ball, first valve ball is adjacent to first ball seat, institute
The inner chamber for stating first passage and the outer barrel separates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510411780.3A CN105089555B (en) | 2015-07-14 | 2015-07-14 | Control valve component and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510411780.3A CN105089555B (en) | 2015-07-14 | 2015-07-14 | Control valve component and its application method |
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| Publication Number | Publication Date |
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| CN105089555A CN105089555A (en) | 2015-11-25 |
| CN105089555B true CN105089555B (en) | 2017-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510411780.3A Active CN105089555B (en) | 2015-07-14 | 2015-07-14 | Control valve component and its application method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946314B (en) * | 2019-05-15 | 2022-12-02 | 中国石油天然气股份有限公司 | Injection and extraction control pipe column for thickened oil horizontal well |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2538974Y (en) * | 2002-03-22 | 2003-03-05 | 中国石油天然气股份有限公司 | Oil well layered oil well pump |
| CN104121002A (en) * | 2014-08-12 | 2014-10-29 | 托普威尔石油技术股份公司 | Layered oil extraction controller |
| CN203961924U (en) * | 2014-07-07 | 2014-11-26 | 中国石油天然气股份有限公司 | A kind of thick oil horizontal well divides to take out and mixes out oil extraction process tubular column |
| CN104405626A (en) * | 2014-12-04 | 2015-03-11 | 中国石油天然气股份有限公司 | Traveling barrel type separate mining/concurrent discharging oil-well pump |
| CN204851172U (en) * | 2015-07-14 | 2015-12-09 | 中国石油天然气股份有限公司 | Control valve assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7708074B2 (en) * | 2007-09-14 | 2010-05-04 | Saudi Arabian Oil Company | Downhole valve for preventing zonal cross-flow |
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2015
- 2015-07-14 CN CN201510411780.3A patent/CN105089555B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2538974Y (en) * | 2002-03-22 | 2003-03-05 | 中国石油天然气股份有限公司 | Oil well layered oil well pump |
| CN203961924U (en) * | 2014-07-07 | 2014-11-26 | 中国石油天然气股份有限公司 | A kind of thick oil horizontal well divides to take out and mixes out oil extraction process tubular column |
| CN104121002A (en) * | 2014-08-12 | 2014-10-29 | 托普威尔石油技术股份公司 | Layered oil extraction controller |
| CN104405626A (en) * | 2014-12-04 | 2015-03-11 | 中国石油天然气股份有限公司 | Traveling barrel type separate mining/concurrent discharging oil-well pump |
| CN204851172U (en) * | 2015-07-14 | 2015-12-09 | 中国石油天然气股份有限公司 | Control valve assembly |
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|---|---|
| CN105089555A (en) | 2015-11-25 |
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