CN101482007A - Hydraulic automatic controller used for oil gas well protection - Google Patents
Hydraulic automatic controller used for oil gas well protection Download PDFInfo
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- CN101482007A CN101482007A CNA2009100093838A CN200910009383A CN101482007A CN 101482007 A CN101482007 A CN 101482007A CN A2009100093838 A CNA2009100093838 A CN A2009100093838A CN 200910009383 A CN200910009383 A CN 200910009383A CN 101482007 A CN101482007 A CN 101482007A
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Abstract
The invention discloses a hydraulic automatic control device which is used for the oil gas well protection. A hydraulic power source, an underground safety valve control system, an aboveground safety valve control system, an operation control system and a pressure detector constitutes the hydraulic automatic control device which has a connecting way as follows: the underground safety valve control system, the aboveground safety valve control system, and the operation control system use one hydraulic power source together and are connected by a hydraulic pipeline. When major disasters such as blowout, fire, oil gas leakage, theft and destruction, platform overset and the like happen, three ways including manual type, electric type and melting type can be chosen for shutting down the port of the oil gas; simultaneously, the pressure detector can also send out signals for shutting down the well or alarming in time according to the detected pressure valve to avoid personnel and property losses which are brought by the major disasters such as blowout, oil gas leakage, and the like, and thus achieving the purpose of safe, reliable and normal production of the oil gas well.
Description
Technical field
What patent of the present invention related to is a kind of Askania that is used for oil gas well protection, belongs to mechanical field.
Background technology
For guaranteeing safe production and normal running, the oil gas well requires to be furnished with storm valve and surface safety valve (SSV), controls the keying of these two safety valves by a cover isolated plant.When great disaster such as take place that blowout, fire, oil and gas leakage, theft peace-breaking platform are translated into, these two safety valves can cut out automatically, take place to avoid more serious serious accidents such as casualties, blowout and marine pollution.But because this control technology is offshore company's monopolization, at home, only at sea employing is all introduced in the oil field, does not promote as yet in the oil field, land, the accident that is produced is very serious thus, for example: on September 15th, 2003, in the Lichuan City, Enshi, gas blowout has taken place in a bite abandoned well, because this well head does not have any blowout hookup, can't utilize blowout hookup control blowout, leak time reaches 10 days, 34 family esidential buildings are arranged around the scene of the accident, and 30 meters is exactly outward natural gas sulfuration factory of Jianghan Oil-field branch company, also has a primary school in the km.In case the natural gas generation detonation of leaking, consequence is hardly imaginable.In the field control process, all kinds of fire fighting trucks such as fire brigade firefighting robot, Lighting tower fire vehicle, high-power disaster unit have been employed, special duty's equipment such as the domestic present state-of-the-art chemical defence of hundreds of covers, detection, orcible entry, leak stopping, about 2,000 ten thousand yuan of total value is successfully disposed hand in hand by a firefighters surplus 200 and local cadres and masses at last.This only is the accident that a bite abandoned oil gas well is taken place, in the gas well that produces oil, exist analogue especially, therefrom the development that can make us knowing from experience has the necessity and the urgency of the oil gas well control system device of own domestic intellectual property, makes land oil gas well control system device popularize as early as possible and installs.A kind of Askania that is used for oil gas well protection has been proposed for this reason.
Patent of the present invention is just for realizing what above-mentioned requirements designed, purpose is to make full use of the hydraulic pressure characteristics of control automatically, in time find accident potential, take precautions against the generation of major accidents such as blowout, oil pipeline leakage, reach the purpose of safe and reliable guarantee oil gas well ordinary production.
The patent of invention content
The technical problem that patent of the present invention will solve provides a kind of Askania that is used for oil gas well protection; personnel's property loss that this device can in time be closed oil and gas wellhead reliably and be avoided being brought because of great disaster generation such as blowout, oil and gas leakage, the purpose of patent of the present invention is to provide a kind of automatic safe control device for the production of oil gas well.
For addressing the above problem, patent of the present invention is achieved in that patent of the present invention mainly comprises: hydraulic power supply, downhole safety valve control system, aboveground safety valve control system, operation control system and pressure detector; One of its feature is the shared hydraulic power supply of downhole safety valve control system, aboveground safety valve control system and operation control system, is connected by conduit under fluid pressure.Two of its feature is that an electrodynamic pump and the manual pump in the hydraulic power supply is connected in parallel, and two pump intakes are connected with fuel tank, and the delivery outlet end is provided with a pressure regulator valve, an accumulator and a pressure switch.Three of its feature is that the two-bit triplet of the downhole safety valve control system ball valve that surges is connected with oil return opening with the outlet of storm valve, hydraulic power supply respectively by conduit under fluid pressure, leads on the outlet conduit under fluid pressure of storm valve at it to be provided with a pressure regulator valve.Four of its feature is that the two-bit triplet of aboveground safety valve control system ball valve one end that surges is connected with the outlet of hydraulic power supply earlier with after reducing valve is connected by conduit under fluid pressure again, two ends are connected with the oil return opening of aboveground safety valve and hydraulic power supply respectively by conduit under fluid pressure in addition, on the outlet conduit under fluid pressure of aboveground safety valve, be provided with a pressure regulator valve, an accumulator and a pressure switch at it.Five of its feature is that the manual two-bit triplet ball valve of operation control system, electronic two-bit triplet ball valve and reducing valve are connected in series successively by conduit under fluid pressure, the arrival end of reducing valve is connected with the outlet of hydraulic power supply, manually the outlet conduit under fluid pressure of two-bit triplet ball valve is provided with a fusible plug, an accumulator, a pressure switch, and be connected with the public port of two one-way throttle devices, the other end of two one-way throttle devices is connected with two two-bit triplets ball valve that surges respectively by conduit under fluid pressure.Six of its feature is that a pressure detector was installed before the petroleum pipeline oil nozzle.Blowout is taking place, fire, oil and gas leakage, when theft peace-breaking platform such as translates at great disaster, but there are three kinds of selection modes to close oil and gas wellhead, pressure detector also can in time send closing well or alarm signal according to the change value of pressure that detects simultaneously: first kind of mode is manual-lock, by handling the changement of manual two-bit triplet ball valve, make to lead to the surge pressure oil commutation of ball valve of two two-bit triplets and discharge oil sump tank, this moment is owing to be provided with two one-way throttle devices in conduit under fluid pressure, two two-bit triplets ball valve that surges is successively commutated, thereby also make the pressure oil that leads to aboveground safety valve discharge oil sump tank earlier, aboveground safety valve cuts out earlier, discharge oil sump tank after leading to the pressure oil of storm valve, the storm valve late release, the result realizes having a double meaning the closing that the down-hole of oil gas well is aboveground.The second way is electronic closing, by electronic button or wireless signal, trigger the commutation of electronic two-bit triplet ball valve, make to lead to the surge pressure oil commutation of ball valve of two two-bit triplets and discharge oil sump tank, this moment is owing to be provided with two one-way throttle devices in conduit under fluid pressure, two two-bit triplets ball valve that surges is successively commutated, thereby also make the pressure oil that leads to aboveground safety valve discharge oil sump tank earlier, aboveground safety valve cuts out earlier, discharge oil sump tank after leading to the pressure oil of storm valve, the storm valve late release, the result realizes having a double meaning the closing that the down-hole of oil gas well is aboveground.The third mode is that the fusing formula is closed, when breaking out of fire, fusible plug high temperature melting in the operation control system, directly make that leading to the surge pressure oil of ball valve of two two-bit triplets discharges at a fusing mouthful place, this moment is owing to be provided with two one-way throttle devices in conduit under fluid pressure, two two-bit triplets ball valve that surges is successively commutated, thereby also make the pressure oil that leads to aboveground safety valve discharge oil sump tank earlier, aboveground safety valve cuts out earlier, discharge oil sump tank after leading to the pressure oil of storm valve, the storm valve late release, the result realizes having a double meaning the closing that the down-hole of oil gas well is aboveground.
Patent of the present invention can in time be closed oil and gas wellhead reliably, aboveground safety valve and storm valve can automatic sequence postpone to carry out closing motion, there is the unsafe factor of pressure reduction at the two ends up and down of eliminating storm valve, avoid therefore and meet with into the generation of great disasters such as blowout and oil and gas leakage.Device has simple and reliable for structure, advantage convenient to operation.The hydraulic pressure automatic control technology of patent of the present invention can in time be closed oil and gas wellhead reliably, has very high Secure Application and is worth.
Description of drawings
Accompanying drawing is a kind of Askania fundamental diagram that is used for oil gas well protection.
1 hydraulic power supply, 2 downhole safety valve control systems, 3 aboveground safety valve control systems
4 operation control systems, 5 well head unit, 6 fuel tanks, 7 pressure regulator valves, 8 accumulators
9 pressure switches, 10 electrodynamic pumps, 11 manual pumps, 12 pressure regulator valves
13 two-bit triplets ball valve 14 pressure regulator valves 15 two-bit triplets ball valve 16 reducing valve that surge that surge
17 accumulators, 18 pressure switches, 19 one-way throttle devices, 20 one-way throttle devices
21 fusible plugs, 22 accumulators, 23 pressure switches, 24 manual two-bit triplet ball valves
25 electronic two-bit triplet ball valve 26 reducing valve 27 storm valves 28 aboveground safety valves
29 pressure detectors, 30 petroleum pipeline oil nozzles
The specific embodiment
As shown in the figure, patent of the present invention mainly comprises: hydraulic power supply 1, downhole safety valve control system 2, aboveground safety valve control system 3, operation control system 4 and pressure detector 29; One of its feature is downhole safety valve control system 2, aboveground safety valve control system 3 and operation control system 4 shared hydraulic power supplies 1, is connected by conduit under fluid pressure.Two of its feature is that an electrodynamic pump 10 and the manual pump 11 in the hydraulic power supply 1 is connected in parallel, and two pump intakes are connected with fuel tank 6, and the delivery outlet end is provided with a pressure regulator valve 7, an accumulator 8 and a pressure switch 9.Three of its feature is that the two-bit triplet of downhole safety valve control system 2 ball valve 13 that surges is connected with oil return opening with the outlet of storm valve 27, hydraulic power supply 1 respectively by conduit under fluid pressure, leads on the outlet conduit under fluid pressure of storm valve 27 at it to be provided with a pressure regulator valve 12.Four of its feature is that the two-bit triplet of aboveground safety valve control system 3 ball valve 15 1 ends that surge are connected with the outlet of hydraulic power supply 1 earlier with after reducing valve 16 is connected by conduit under fluid pressure again, two ends are connected with the oil return opening of aboveground safety valve 28 and hydraulic power supply 1 respectively by conduit under fluid pressure in addition, on the outlet conduit under fluid pressure of aboveground safety valve 28, be provided with 14, one accumulators 17 of a pressure regulator valve and a pressure switch 18 at it.Five of its feature is manual two-bit triplet ball valves 24 of operation control system 4, electronic two-bit triplet ball valve 25 and reducing valve 26 are connected in series successively by conduit under fluid pressure, the arrival end of reducing valve 26 is connected with the outlet of hydraulic power supply 1, manually the outlet conduit under fluid pressure of two-bit triplet ball valve 24 is provided with a fusible plug 21, an accumulator 22, a pressure switch 23, and be connected with the public port of one-way throttle device 19 with one-way throttle device 20, the other end of one-way throttle device 19 is connected by conduit under fluid pressure and the two-bit triplet ball valve 15 that surges, and the other end of one-way throttle device 20 is connected by conduit under fluid pressure and the two-bit triplet ball valve 13 that surges.Six of its feature is that a pressure detector 29 was installed before petroleum pipeline oil nozzle 30.Blowout is taking place, fire, oil and gas leakage, when theft peace-breaking platform such as translates at great disaster, but there are three kinds of selection modes to close oil and gas wellhead, pressure detector 29 also can in time send closing well or alarm signal according to the change value of pressure that detects simultaneously: first kind of mode is manual-lock, by handling the changement of manual two-bit triplet ball valve 24, make to lead to two-bit triplet the surge pressure oil commutation of ball valve 15 of ball valve 13 and two-bit triplet of surging and discharge oil sump tank 6, this moment is owing to be provided with one-way throttle device 19 and one-way throttle device 20 in conduit under fluid pressure, make two-bit triplet ball valve 15 commutation earlier of surging, two-bit triplet ball valve 13 late commutations of surging, thereby also make the pressure oil that leads to aboveground safety valve 28 discharge oil sump tank 6 earlier, aboveground safety valve 28 cuts out earlier, discharge oil sump tank 6 after leading to the pressure oil of storm valve 27, storm valve 27 late releases, the result realizes having a double meaning the closing that the down-hole of oil gas well is aboveground.The second way is electronic closing, by electronic button or wireless signal, trigger the commutation of electronic two-bit triplet ball valve 25, make to lead to two-bit triplet the surge pressure oil commutation of ball valve 15 of ball valve 13 and two-bit triplet of surging and discharge oil sump tank 6, this moment is owing to be provided with one-way throttle device 19 and one-way throttle device 20 in conduit under fluid pressure, make two-bit triplet ball valve 15 commutation earlier of surging, two-bit triplet ball valve 13 late commutations of surging, thereby also make the pressure oil that leads to aboveground safety valve 28 discharge oil sump tank 6 earlier, aboveground safety valve 28 cuts out earlier, discharge oil sump tank 6 after leading to the pressure oil of storm valve 27, storm valve 27 late releases, the result realizes having a double meaning the closing that the down-hole of oil gas well is aboveground.The third mode is that the fusing formula is closed, when breaking out of fire, fusible plug 21 high temperature melting in the operation control system 4, directly make that leading to two-bit triplet the surge pressure oil of ball valve 15 of ball valve 13 and two-bit triplet that surges discharges at a fusing mouthful place, this moment is owing to be provided with one-way throttle device 19 and one-way throttle device 20 in conduit under fluid pressure, make two-bit triplet ball valve 15 commutation earlier of surging, two-bit triplet ball valve 13 late commutations of surging, thereby also make the pressure oil that leads to aboveground safety valve 28 discharge oil sump tank 6 earlier, aboveground safety valve 28 cuts out earlier, discharge oil sump tank 6 after leading to the pressure oil of storm valve 27, storm valve 27 late releases, the result realizes having a double meaning the closing that the down-hole of oil gas well is aboveground.
Claims (6)
1. an Askania that is used for oil gas well protection comprises hydraulic power supply (1), downhole safety valve control system (2), aboveground safety valve control system (3), operation control system (4) and pressure detector (29); It is characterized in that downhole safety valve control system (2), aboveground safety valve control system (3) and the shared hydraulic power supply of operation control system (4) (1), be connected by conduit under fluid pressure.
2. a kind of Askania that is used for oil gas well protection according to claim 1; it is characterized in that an electrodynamic pump (10) and a manual pump (11) in the hydraulic power supply (1) are connected in parallel; two pump intakes are connected with fuel tank (6), and the delivery outlet end is provided with a pressure regulator valve (7), an accumulator (8) and a pressure switch (9).
3. a kind of Askania that is used for oil gas well protection according to claim 1; the two-bit triplet that it is characterized in that downhole safety valve control system (2) ball valve (13) that surges is connected with oil return opening with the outlet of safety valve (27), hydraulic power supply (1) respectively by conduit under fluid pressure, leads on the outlet conduit under fluid pressure of storm valve (27) at it to be provided with a pressure regulator valve (12).
4. a kind of Askania that is used for oil gas well protection according to claim 1; the two-bit triplet that it is characterized in that aboveground safety valve control system (3) ball valve (15) one ends that surge are connected with the outlet of hydraulic power supply (1) earlier with after reducing valve (16) is connected by conduit under fluid pressure again; two ends are connected with the oil return opening of aboveground safety valve (28) with hydraulic power supply (1) respectively by conduit under fluid pressure in addition; on the outlet conduit under fluid pressure of aboveground safety valve (28), be provided with a pressure regulator valve (14), an accumulator (17) and a pressure switch (18) at it.
5. a kind of Askania that is used for oil gas well protection according to claim 1; the manual two-bit triplet ball valve (24) that it is characterized in that operation control system (4); electronic two-bit triplet ball valve (25) and reducing valve (26) are connected in series successively by conduit under fluid pressure; the arrival end of reducing valve (26) is connected with the outlet of hydraulic power supply (1); manually the outlet conduit under fluid pressure of two-bit triplet ball valve (24) is provided with a fusible plug (21); an accumulator (22); a pressure switch (23); and be connected with the public port of one-way throttle device (19) with one-way throttle device (20); the other end of one-way throttle device (19) is connected by conduit under fluid pressure and the two-bit triplet ball valve (15) that surges, and the other end of one-way throttle device (20) is connected by conduit under fluid pressure and the two-bit triplet ball valve (13) that surges.
6. a kind of Askania that is used for oil gas well protection according to claim 1 is characterized in that at petroleum pipeline oil nozzle (30) pressure detector (29) being installed before.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100093838A CN101482007A (en) | 2009-02-23 | 2009-02-23 | Hydraulic automatic controller used for oil gas well protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100093838A CN101482007A (en) | 2009-02-23 | 2009-02-23 | Hydraulic automatic controller used for oil gas well protection |
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| Publication Number | Publication Date |
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| CN101482007A true CN101482007A (en) | 2009-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100093838A Pending CN101482007A (en) | 2009-02-23 | 2009-02-23 | Hydraulic automatic controller used for oil gas well protection |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140910A (en) * | 2010-01-28 | 2011-08-03 | 北京北石海泰石油装备有限公司 | Gas-liquid disc type brake control system |
| CN103562487A (en) * | 2011-04-08 | 2014-02-05 | 哈里伯顿能源服务公司 | Wellbore pressure control with optimized pressure drilling |
| CN103696724A (en) * | 2013-12-13 | 2014-04-02 | 西南石油大学 | Emergency automatic control device of blowout preventer |
| CN104358557A (en) * | 2014-11-04 | 2015-02-18 | 北京中冶迈克液压有限责任公司 | Liquid-gas control system for controlled-pressure drilling equipment |
| CN106150473A (en) * | 2015-04-23 | 2016-11-23 | 广州东塑石油钻采专用设备有限公司 | The control system of well head |
| CN113236848A (en) * | 2021-06-03 | 2021-08-10 | 浙江中德自控科技股份有限公司 | Valve control system capable of automatically cutting off air source fault |
| CN113374919A (en) * | 2021-06-03 | 2021-09-10 | 浙江中德自控科技股份有限公司 | Automatic valve control system under special working conditions |
-
2009
- 2009-02-23 CN CNA2009100093838A patent/CN101482007A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140910A (en) * | 2010-01-28 | 2011-08-03 | 北京北石海泰石油装备有限公司 | Gas-liquid disc type brake control system |
| CN102140910B (en) * | 2010-01-28 | 2013-09-18 | 北京北石海泰石油装备有限公司 | Gas-liquid disc type brake control system |
| CN103562487A (en) * | 2011-04-08 | 2014-02-05 | 哈里伯顿能源服务公司 | Wellbore pressure control with optimized pressure drilling |
| CN103696724A (en) * | 2013-12-13 | 2014-04-02 | 西南石油大学 | Emergency automatic control device of blowout preventer |
| CN103696724B (en) * | 2013-12-13 | 2016-07-06 | 西南石油大学 | A kind of emergency automatic control device of blowout preventer |
| CN104358557A (en) * | 2014-11-04 | 2015-02-18 | 北京中冶迈克液压有限责任公司 | Liquid-gas control system for controlled-pressure drilling equipment |
| CN106150473A (en) * | 2015-04-23 | 2016-11-23 | 广州东塑石油钻采专用设备有限公司 | The control system of well head |
| CN113236848A (en) * | 2021-06-03 | 2021-08-10 | 浙江中德自控科技股份有限公司 | Valve control system capable of automatically cutting off air source fault |
| CN113374919A (en) * | 2021-06-03 | 2021-09-10 | 浙江中德自控科技股份有限公司 | Automatic valve control system under special working conditions |
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Application publication date: 20090715 |