CN109083618A - Deep-well binary channels safety valve - Google Patents
Deep-well binary channels safety valve Download PDFInfo
- Publication number
- CN109083618A CN109083618A CN201810865158.3A CN201810865158A CN109083618A CN 109083618 A CN109083618 A CN 109083618A CN 201810865158 A CN201810865158 A CN 201810865158A CN 109083618 A CN109083618 A CN 109083618A
- Authority
- CN
- China
- Prior art keywords
- valve
- piston
- valve seat
- deep
- transition joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000007704 transition Effects 0.000 claims abstract description 22
- 238000003780 insertion Methods 0.000 claims abstract description 16
- 230000037431 insertion Effects 0.000 claims abstract description 16
- 238000009987 spinning Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 5
- 239000003208 petroleum Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005303 weighing 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
- E21B34/101—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with means for equalizing fluid pressure above and below the valve
Landscapes
- 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)
- Safety Valves (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
Deep-well binary channels safety valve of the present invention, including insertion seal pipe and transition joint, further include piston, top connection, lower contact, valve seat, valve plate, self-balancing mechanism；Valve seat is by screw thread spinning on the inside of transition joint, piston is deep into valve seat, the valve plate is arranged below valve seat, valve plate is sleeved in insertion seal pipe, there are gaps between periphery and lower contact, by the technical program, during normal production, it is suppressed and is opened the safety-valve by ground control liquid controling pipe line, realize that annular space recovers the oil；When an emergency happens, liquid controling pipe line pressure release, safety valve are automatically closed, and realize that high back voltage seals；Top connection is equipped with doubled via, can also play the role of righting while producing petroleum；When needing position below major diameter umbilical or testing tool tripping in safety valve, it can not need repeatedly to play lower tubular column, save the time by the major diameter umbilical or testing tool tripping in channel tripping in of deep-well binary channels safety valve, reduce task difficulty.
Description
Technical field
The invention belongs to oil security production fields, more particularly to a kind of deep-well binary channels safety valve.
Background technique
It during oil exploitation, in order to keep the safety in production needs that storm valve is installed, be installed in existing situation general
Logical safety valve is installed between oil pipe and oil pipe, and petroleum can only be flowed out by oil pipe channel when activated realizes safety in production.
But the prior art has the following disadvantages, is unable to satisfy ultradeep well demand for security, due to tubing static pressure when deeper
It is relatively high, occur closing the uncontrollable security risks such as delay so as to cause common safety valve；Due to limited by bulk,
Operation is complicated, when needing major diameter umbilical or testing tool being placed into common safety valve or less position, due to common safety
Annular space between valve and casing it is size-constrained can not tripping in, can only be realized by lifting lower tubular column, considerably increase operation time
Several and operating cost.
Summary of the invention
In view of this, the main purpose of the present invention is to provide a kind of deep-well binary channels safety valve, by the technical program,
Annular space oil discharge passage and major diameter umbilical or testing tool tripping in channel is respectively set, makes to be formed between safety valve and production tube
Annular space oil discharge passage has not only been effectively prevented closing latency issue, and safety is improved, and can be convenient efficiently
Major diameter umbilical or testing tool are placed into safety valve or less position, effectively reduce operations number and operating cost.
In order to achieve the above object, the technical scheme of the present invention is realized as follows: a kind of deep-well binary channels safety valve, packet
Insertion seal pipe and transition joint are included, further includes piston, top connection, lower contact, valve seat, valve plate, self-balancing mechanism；The piston
It is arranged on the inside of transition joint, the top connection lower end and lower contact upper end pass through screw thread spinning at the both ends of transition joint respectively
On, valve seat is provided between the insertion seal pipe of piston and transition joint, the valve seat is by screw thread spinning in centre
On the inside of connector, piston is deep into valve seat, and the valve plate is arranged below valve seat, and valve plate is sleeved in insertion seal pipe,
There are gaps between periphery and lower contact, are provided with self-balancing mechanism, self-balancing on the side wall of valve seat lower part for being located at side
The stretching of mechanism inward direction is matched with piston, is equipped with outer lug boss in top connection, pressurizing port is provided on outer lug boss.
As further technical solution, the piston is the torus with step, is provided on the inside of transition joint interior
Boss, main spring are sleeved on piston, and main spring upper end is pressed on piston step, and main spring lower end is pressed on transition joint
On inner convex platform.
As further technical solution, the self-balancing mechanism is by balance base, steel ball, balancing spring and balance hole structure
At, valve seat lower end side is horizontally disposed circular hole, and the balance base is arranged in circular hole, and balancing spring is arranged in balance base,
Steel ball is pressed on balancing spring, is provided with balance hole on being located at valve seat circular hole lower seat, the balance hole upper end and flat
It is connected in weighing apparatus seat, balance hole lower end passes through seat bottom portion.
As further technical solution, be provided with inner convex platform in the lower contact, valve plate and lower contact inner convex platform it
Between be provided with reset spring, the reset spring upper end is pressed on valve plate, and reset spring lower end is pressed on lower contact inner convex platform
On.
Beneficial effect after by adopting the above technical scheme is: a kind of deep-well binary channels safety valve has by the technical program
One annular space oil discharge passage and a major diameter umbilical or testing tool tripping in channel, and shape between safety valve and production tube
Cyclic sky oil discharge passage can be suppressed by ground control liquid controling pipe line and be opened the safety-valve, realize that annular space is adopted during normal production
Oil；When an emergency happens, liquid controling pipe line pressure release, safety valve are automatically closed, and realize that high back voltage seals；Top connection is equipped with
Doubled via can also play the role of righting while producing petroleum；When needing major diameter umbilical or testing tool tripping in
It, can be by under the major diameter umbilical of deep-well binary channels safety valve or testing tool tripping in channel below to safety valve when position
Enter, do not need repeatedly to play lower tubular column, save the time, reduces task difficulty.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of deep-well binary channels safety valve.
Fig. 2 is deep-well binary channels safety valve A-A cross-sectional view.
Fig. 3 is the portion K enlarged drawing in Fig. 1.
In figure: 1 insertion seal pipe, 2 transition joints, 3 pistons, 4 top connections, 5 lower contacts, 6 valve seats, 7 valve plates, 8 self-balancings
Mechanism, 9 pressurizing ports, 10 main springs, 11 balance bases, 12 steel balls, 13 balancing springs, 14 balance holes, 15 reset springs, 16 annular spaces go out
Oily channel, 17 tool tripping in channels.
Specific embodiment
As shown in Figure 1-Figure 3, deep-well binary channels safety valve of the present invention, including insertion seal pipe 1 and transition joint
2, it further include piston 3, top connection 4, lower contact 5, valve seat 6, valve plate 7, self-balancing mechanism 8；The piston 3 is arranged in transition joint
2 insides, 4 lower end of top connection and 5 upper end of lower contact pass through screw thread spinning on the both ends of transition joint 2 respectively, in piston 3
Valve seat 6 is provided between the insertion seal pipe 1 and transition joint 2 of lower end, the valve seat 6 is by screw thread spinning in transition joint 2
Inside, 3 lower end of piston are deep into valve seat 6, and the valve plate 7 is arranged below valve seat 6, and valve plate 7 is sleeved on insertion seal pipe 1
On, there are gaps between periphery and lower contact 5, it is provided with self-balancing mechanism 8 on the side wall of 6 lower part of valve seat for being located at side,
Self-balancing mechanism 8 is protruded horizontally up to be matched with 3 lower end of piston, is equipped with outer lug boss in top connection 4, is provided with and beats on outer lug boss
Press hole 9.
As further embodiment, the piston 3 is the torus with step, is provided on the inside of transition joint 2 interior
Boss, main spring 10 are sleeved on piston 3, and 10 upper end of main spring is pressed on 3 step of piston, during 10 lower end of main spring is pressed on
Between connector 2 inner convex platform on.
As further embodiment, the self-balancing mechanism 8 is by balance base 11, steel ball 12, balancing spring 13 and balance
Hole 14 is constituted, and 6 lower end side of valve seat is horizontally disposed circular hole, and the balance base 11 is arranged in circular hole, and balancing spring 13 is arranged
In balance base 11, steel ball 12 is pressed on balancing spring 13, is provided with balance on the valve seat 6 being located at below 6 circular hole of valve seat
Hole 14 is connected in 14 upper end of balance hole and balance base 11, and 14 lower end of balance hole passes through 6 bottom of valve seat.
As further embodiment, be provided with inner convex platform in the lower contact 5, valve plate 7 and 5 inner convex platform of lower contact it
Between be provided with reset spring 15,15 upper end of reset spring is pressed on valve plate 7, and 15 lower end of reset spring is pressed on lower contact
On 5 inner convex platforms.
The present invention at work, suppressed by pressurizing port 9 by ground hydraulic-control pipeline, and liquid pushes piston 3 by suppressing channel
It moves downward, main spring 10 is compressed, and when 3 lower end of piston touches autobalance 8, piston 3 pushes steel ball 12 radial
Movement, steel ball 12 compress balancing spring 13 by balance base 11, and the oil in lower contact 5 and insertion 1 annular space of seal pipe passes through balance
Hole 14 enters the annular space of insertion seal pipe 1 and valve plate 7, continues to suppress when 7 two-way pressure of valve plate reaches balance, piston 3
To valve plate 7, valve plate 7 moves down compression reseting spring 15 on lower end top, and safety valve is opened, and ground hydraulic control lines are not only kept
Pressure, the oil in oil pipe pass through gap, insertion seal pipe 1 and the top connection 4 between lower contact 15, valve plate 13 and valve seat 6, piston
3, valve seat 6 forms annular space oil discharge passage 16, realizes that oil well normally produces, while can be in the tool tripping in insertion seal pipe 1
The devices such as tripping in major diameter umbilical or testing tool in channel 17 avoid repeatedly playing lower tubular column, reduce task difficulty.It is tight when occurring
When anxious situation, 9 pressure release of pressurizing port, piston 3 moves up under the action of main spring 10 and returns to position after pressure release, valve plate 7
It closes, is sealed together with the formation of valve seat 6, safety valve is closed, and generates high back voltage under the spring-force driven dual of reset spring 15
Sealing insulates oil channel, realizes safety in production.
The above, preferable possible embodiments only of the invention, the range being not intended to limit the invention.
Claims (4)
1. a kind of deep-well binary channels safety valve, including insertion seal pipe and transition joint, be under spy, further include piston, on
Connector, lower contact, valve seat, valve plate, self-balancing mechanism；The piston is arranged on the inside of transition joint, the top connection lower end and
Lower contact upper end passes through screw thread spinning on the both ends of transition joint respectively, in the insertion seal pipe of piston and transition joint
Between be provided with valve seat, the valve seat is through screw thread spinning on the inside of transition joint, and piston is deep into valve seat, the valve
Plate is arranged below valve seat, and valve plate is sleeved in insertion seal pipe, and there are gaps between periphery and lower contact, is being located at side
Self-balancing mechanism is provided on the side wall of valve seat lower part, the stretching of self-balancing mechanism inward direction is matched with piston, upper
Connector is equipped with outer lug boss, and pressurizing port is provided on outer lug boss.
2. deep-well binary channels safety valve according to claim 1, which is characterized in that the piston is the annulus with step
Body, transition joint inside are provided with inner convex platform, and main spring is sleeved on piston, and main spring upper end is pressed on piston step, main
Lower spring end is pressed on the inner convex platform of transition joint.
3. deep-well binary channels safety valve according to claim 1, which is characterized in that the self-balancing mechanism by balance base,
Steel ball, balancing spring and balance hole are constituted, and valve seat lower end side is horizontally disposed circular hole, and the balance base is arranged in circular hole,
Balancing spring is arranged in balance base, and steel ball is pressed on balancing spring, is provided on being located at valve seat circular hole lower seat flat
It weighs hole, is connected in the balance hole upper end and balance base, balance hole lower end is across seat bottom portion.
4. deep-well binary channels safety valve according to claim 1, which is characterized in that be provided with convex in the lower contact
Platform is provided with reset spring between valve plate and lower contact inner convex platform, and reset spring upper end is pressed on valve plate, resets bullet
Spring lower end is pressed on lower contact inner convex platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810865158.3A CN109083618A (en) | 2018-08-01 | 2018-08-01 | Deep-well binary channels safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810865158.3A CN109083618A (en) | 2018-08-01 | 2018-08-01 | Deep-well binary channels safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109083618A true CN109083618A (en) | 2018-12-25 |
Family
ID=64833547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810865158.3A Withdrawn CN109083618A (en) | 2018-08-01 | 2018-08-01 | Deep-well binary channels safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109083618A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561295A (en) * | 2020-05-20 | 2020-08-21 | 大庆丹诺石油科技开发有限公司 | Hydraulic oil extraction double-channel underwater safety valve for ocean oil well |
| CN112412396A (en) * | 2020-11-19 | 2021-02-26 | 中国石油大学(北京) | Downhole safety valve |
| CN115263235A (en) * | 2022-07-29 | 2022-11-01 | 北京博德世达石油技术股份有限公司 | All-metal high-temperature-resistant self-balancing air release valve |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3865141A (en) * | 1973-06-29 | 1975-02-11 | Schlumberger Technology Corp | Subsurface safety valve apparatus |
| US4714116A (en) * | 1986-09-11 | 1987-12-22 | Brunner Travis J | Downhole safety valve operable by differential pressure |
| US4890674A (en) * | 1988-12-16 | 1990-01-02 | Otis Engineering Corporation | Flapper valve protection |
| CN201062507Y (en) * | 2007-07-18 | 2008-05-21 | 胡定清 | Subsurface safety valve having steel-ball type compensation valve |
| CN202000960U (en) * | 2011-02-10 | 2011-10-05 | 何建辉 | Subsurface safety valve |
| CN202165065U (en) * | 2011-08-10 | 2012-03-14 | 北京托普威尔石油技术服务有限公司 | Pipe column blanking plug |
| CN103147714A (en) * | 2013-03-05 | 2013-06-12 | 中国海洋石油总公司 | Annulus safety device applied to electric submersible pump producing well |
| CN103328762A (en) * | 2010-10-20 | 2013-09-25 | 卡姆肯石油有限公司 | Fluid injection device |
| CN103670308A (en) * | 2013-12-20 | 2014-03-26 | 东营市福利德石油科技开发有限责任公司 | Deep-water oil well full-drift-diameter high-pressure-resisting reverse flushing valve |
| CN103821477A (en) * | 2014-03-17 | 2014-05-28 | 中国石油大学(华东) | Self-balancing downhole safety valve |
| CN203716929U (en) * | 2014-01-11 | 2014-07-16 | 中国石油化工股份有限公司 | Deep well safety valve |
| CN206129233U (en) * | 2016-10-17 | 2017-04-26 | 荆州市赛瑞能源技术有限公司 | Self -balancing downhole safety valve |
| CN107476781A (en) * | 2016-06-07 | 2017-12-15 | 中国石油大学(华东) | All-hydraulic control storm valve |
| CN208858323U (en) * | 2018-08-01 | 2019-05-14 | 东营市福利德石油科技开发有限责任公司 | Deep-well binary channels safety valve |
-
2018
- 2018-08-01 CN CN201810865158.3A patent/CN109083618A/en not_active Withdrawn
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3865141A (en) * | 1973-06-29 | 1975-02-11 | Schlumberger Technology Corp | Subsurface safety valve apparatus |
| US4714116A (en) * | 1986-09-11 | 1987-12-22 | Brunner Travis J | Downhole safety valve operable by differential pressure |
| US4890674A (en) * | 1988-12-16 | 1990-01-02 | Otis Engineering Corporation | Flapper valve protection |
| CN201062507Y (en) * | 2007-07-18 | 2008-05-21 | 胡定清 | Subsurface safety valve having steel-ball type compensation valve |
| CN103328762A (en) * | 2010-10-20 | 2013-09-25 | 卡姆肯石油有限公司 | Fluid injection device |
| CN202000960U (en) * | 2011-02-10 | 2011-10-05 | 何建辉 | Subsurface safety valve |
| CN202165065U (en) * | 2011-08-10 | 2012-03-14 | 北京托普威尔石油技术服务有限公司 | Pipe column blanking plug |
| CN103147714A (en) * | 2013-03-05 | 2013-06-12 | 中国海洋石油总公司 | Annulus safety device applied to electric submersible pump producing well |
| CN103670308A (en) * | 2013-12-20 | 2014-03-26 | 东营市福利德石油科技开发有限责任公司 | Deep-water oil well full-drift-diameter high-pressure-resisting reverse flushing valve |
| CN203716929U (en) * | 2014-01-11 | 2014-07-16 | 中国石油化工股份有限公司 | Deep well safety valve |
| CN103821477A (en) * | 2014-03-17 | 2014-05-28 | 中国石油大学(华东) | Self-balancing downhole safety valve |
| CN107476781A (en) * | 2016-06-07 | 2017-12-15 | 中国石油大学(华东) | All-hydraulic control storm valve |
| CN206129233U (en) * | 2016-10-17 | 2017-04-26 | 荆州市赛瑞能源技术有限公司 | Self -balancing downhole safety valve |
| CN208858323U (en) * | 2018-08-01 | 2019-05-14 | 东营市福利德石油科技开发有限责任公司 | Deep-well binary channels safety valve |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561295A (en) * | 2020-05-20 | 2020-08-21 | 大庆丹诺石油科技开发有限公司 | Hydraulic oil extraction double-channel underwater safety valve for ocean oil well |
| CN111561295B (en) * | 2020-05-20 | 2024-05-10 | 大庆丹诺石油科技开发有限公司 | Double-channel underwater safety valve for hydraulic oil production of ocean oil well |
| CN112412396A (en) * | 2020-11-19 | 2021-02-26 | 中国石油大学(北京) | Downhole safety valve |
| CN112412396B (en) * | 2020-11-19 | 2021-10-26 | 中国石油大学(北京) | Downhole safety valve |
| CN115263235A (en) * | 2022-07-29 | 2022-11-01 | 北京博德世达石油技术股份有限公司 | All-metal high-temperature-resistant self-balancing air release valve |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181225 |
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| WW01 | Invention patent application withdrawn after publication |