CN2913588Y - Multifunctional oil-collecting control device for oil extraction pore - Google Patents
Multifunctional oil-collecting control device for oil extraction pore Download PDFInfo
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- CN2913588Y CN2913588Y CNU2006200852981U CN200620085298U CN2913588Y CN 2913588 Y CN2913588 Y CN 2913588Y CN U2006200852981 U CNU2006200852981 U CN U2006200852981U CN 200620085298 U CN200620085298 U CN 200620085298U CN 2913588 Y CN2913588 Y CN 2913588Y
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Abstract
The utility model relates to a well-head controlling device, the technical project is that the device comprises a main body (4), an entrance, an exit and an interface I are provided thereon. The entrance, the exit and the interface I pass through a channel inside the main body (4) and are communicated with each other. The exit is provided with a one-way valve. A control port is arranged at the side of the main body correspondingly to the exit. A two-way control valve device is arranged at the control port and is directly communicated with the exit. The two-way control valve device comprises a two-way valve plug, a screw rod and a screw insert, in which the screw insert is arranged inside the control port and connected with the two-way valve plug and the screw rod, and one end of the two-way valve plug is sealably arranged with the exit and the other end is sealably arranged with the port of the interface I. An anti-theft plug is arranged outside the screw insert of the control port. The device has the advantages of compact structure, stable and reliable operation, flexible use, and good function of guard against theft.
Description
Technical field
The utility model relates to a kind of production wellhead control device, specifically is the multi-functional oil-collecting control device of a kind of production wellhead.
Background technology
In the oil well manufacturing process, the admission of the basic creation data of part, the oil-collecting flow process safeguards that the control operation of transformation all need be carried out at well head.Existing wellhead for production mainly by main body be arranged on main body on inlet (being connected) with well head, the outlet (being connected), interface with petroleum pipeline, by interface oil nozzle cover, sample cock, pressure measurement valve are installed, thermometer hole, and be connected to control valve usually on each mouthful.The oil nozzle cover begins from the eighties, comes into operation nearly 23 years, and the purpose of design of oil nozzle cover mainly is in order to control oil well flow liquid amount, to satisfy the needs of ground flow Operation and Maintenance such as oil well clean-up line, pipeline purging simultaneously.Along with the continuous development of field produces exploitation, some problems progressively appear in existing wellhead assembly: 1, oil district environment is relatively poor, and the lawless person steals and destroys seriously, and well mouth of oil well can't normally be taken a sample, pressure measurement, can't normally enroll oil well associated production data.In order to prevent lawless person's stolen, most of oil nozzle cover plug is dead by production crew's weldering, severs with oxygen welding when operating construction again, causes plug not use continuously, and is time-consuming.2, when oil well because problems such as oil pipe leakages, pump leakage when not fuel-displaced, it is not fuel-displaced oil well very easily to occur, measuring station mixes to infuse and pours in down a chimney phenomenon into pit shaft.3, the single well pipeline integral replacing, need oil well to stop production when transforming to meet and discuss, influenced oil well output and rate when driving a well.4, along with the increasing of oil development difficulty, the temperature that corresponding oil recovery increases oily production measure continues to increase, every ground maintenance management workload big (the well well head metering etc. of reclaiming, connect as clean-up line, well head dosing, sleeve pipe gas), because need stop to dismantle plug behind the well operates, rate when having had a strong impact on oil well and driving a well causes other problem easily owing to frequently open, stop well simultaneously.
Summary of the invention
The purpose of this utility model is exactly the defective that exists at prior art, provides a kind of production wellhead multi-functional oil-collecting control device.This device can effectively overcome the above problems, and has the double anti-theft function simultaneously, has optimized present production wellhead oil-collecting flow process, and its operation is easier, and flow process control is more flexible.
Forming its technical scheme of the present utility model comprises: the inlet on main body and the main body, outlet, interface I, inlet, outlet and interface I connect mutually by the passage in the main body 4.The outlet in be provided with one way valve, on main body with the outlet respective side be provided with control mouthful, the bidirectional control valve device control mouthful in, and with the outlet directly the perforation.The bidirectional control valve device comprises two-way spool, screw mandrel and silk braid composition., wherein the silk braid device inwardly is connected with screw mandrel and two-way spool in the control mouth, and two-way spool one end and export mixes are sealed and matched, and the other end and interface I passway formation are sealed and matched, and are outside equipped with screws valve for preventing illagel application at the silk braid of controlling mouth.
Such scheme can also further be optimized, comprise: on main body, be provided with interface II near outlet one way valve inboard, be provided with one way valve in the passage of interface II, and be connected on two-way spool and the passage of outlet between the one way valve by one way valve, on interface I and interface II, screws valve for preventing illagel application is set, is stamped gland above the screws valve for preventing illagel application at all.Also be provided with the access port that connects with the main body internal channel on main body, access port is provided with screws valve for preventing illagel application.Described screws valve for preventing illagel application comprises the plug of special-shaped protruding bolt or special impression.Described screws valve for preventing illagel application can also be formed lock cylinder by pin, lock core downside pin and the cooperation of downside pin top spring on several groups of lock cores that are arranged on the plug and constitute.
Effect of the present utility model: 1, can press, a well logging mouthful temperature, can prevent that the lawless person is in sampling, pressure tap stolen by the normal sampling of this device, survey time.2, the well head plug can satisfy the enforcement of normal well maintenance work, simultaneously can be antitheft.3, the function that has ball-and-seat can prevent that measuring station from mixing transfusion and pouring in down a chimney in the well head, and backward flowing preventing device is handy flexibly, and is corrosion-resistant, shock-resistant.4, need not stop well and can direct well head flow process carry out gathering line flushing or other construction (as land oil reclaims oil collecting system, sleeve pipe gas reclaims into oil collecting system).5, can control the oil well liquid-producing trend flexibly, be that oil well liquid-producing can flow out from oil well plug one end by this device control, after supercharging or metering wait other operation, enter this device other end again and get back to gathering line, reach purpose (as when the pipeline integral replacing is gone into operation, the not stopping production) rate when effectively improving well that well carries out sequence of operations of not stopping.6, this apparatus structure compactness, stable and reliable operation, handy flexibly, the whole corrosion-resistance treatment of inner simultaneously employing has good anticorrosion anti-theft feature.
Description of drawings
Accompanying drawing is the structure chart of a kind of embodiment of the utility model.Among the figure: the 1st, interface II plug, the 2nd, one way valve spool, the 3rd, spring, the 4th, main body, the 5th, outlet, the 6th, gland, the 7th, interface I plug, the 8th, sample tap plug, the 9th, screw mandrel, the 10th, sell on the core that contracts, the 11st, lock core downside pin, the 12nd, downside pin top spring, the 13rd, silk braid, the 14th, downside pin contiguous block, the 15th, two-way valve seat, the 16th, two-way spool, the 17th, unidirectional valve seat, the 18th, inlet.
The specific embodiment:
With reference to accompanying drawing, be shaped on control mouth 19 and two the interface I in top (7), the interface II (1) of the inlet 18 that is connected with well head, the outlet 5 that is connected with petroleum pipeline, device bidirectional control valve on the main body 4 in advance.Five mouths are connected by the passage in length and breadth of inside.In outlet 5, be provided with the one way valve that has only to the outside circulation.The one way valve of inside circulation is set in the interface II, and screws valve for preventing illagel application and gland 6 is arranged in the interface outer setting.External tapping at interface I is provided with screws valve for preventing illagel application and gland 6 equally.The bidirectional control valve device and directly connects with the transverse passage-way of outlet 5 in control mouthfuls 19.Bidirectional control valve comprises two-way spool 16, screw mandrel 9 and silk braid 13 compositions.Wherein silk braid 13 devices inwardly are connected with screw mandrel 9 and two-way spool 16 in control mouth 19.Two-way spool 16 front/rear ends are cone, and an end is sealed and matched with outlet 5 formations, and two-way valve seat 15 formations in the other end and the interface I passway are sealed and matched.On main body 4, also be provided with the access port that connects with the main body internal channel, so that be connected with measuring instruments such as pressure meter, thermometers.One way valve and conventional one way valve are basic identical, comprise that nonreturn valve core 2, spring 3 and unidirectional valve seat 17 constitute.
In order to improve the theftproof performance of interface, outside the silk braid 13 of control mouthfuls 19 and on interface I, interface II, access port, screws valve for preventing illagel application is set all.Screws valve for preventing illagel application can adopt the existing plug that comprises special-shaped protruding bolt or special impression, cooperates just and can open with profile tool.
The utility model provides a kind of new screws valve for preventing illagel application, by sell 10 on several groups of lock cores that are arranged on the plug, lock core downside pin 11 and downside pin top spring 12 cooperate and form lock cylinder and constitute, contract pin 10 on the core with after the plush copper of opener cooperates, make that the downside pin involutory surface is on the same plane on all lock cores, just can open screws valve for preventing illagel application after rotating opener like this.
Implementation method:
1, during operate as normal, bidirectional control valve is rotated to the end, close between two-way spool and the two-way valve seat, downhole oil stream directly enters gathering line from outlet.
When 2, taking a sample on a small quantity, open access port, open sample valve and take a sample with special tool.
3, during detected pressures, pressure meter is connected the back opens the pressure measurement valve with access port with special tool.
4, clean-up line during recovery of casing gas, at first with interface II emptying valve open, has prevented overbottom pressure, opens screws valve for preventing illagel application with special tool after the emptying, and connecting pipeline can clean-up line or recovery of casing gas.
5, the mixed defeated well of series connection well carries out well head gauging mark product.Unload lower interface I with special tool when adopting tank car well head nominal output, the middle flexible pipe other end of pressing inserts mark product tank car, and two-way valve is rotated to the end by label direction, makes oil well liquid-producing enter tank car from the I interface, mark produces and finishes, and makes oil well be in normal operating conditions on earth the two way valve reverse rotation.When adopting the multi-phase flowmeter mark to produce, at first special tool unloads lower interface I, II place screws valve for preventing illagel application.Adopt then and press the quick flexible pipe that connects to connect oil-collecting control device and multi-phase flowmeter respectively in two, interface I is connected with the flow meter import, and outlet is connected (position shown in the figure) to interface II with flow meter.Detecting instrument is connected between interface I and the interface II, and flow through two-way valve seat, interface I detecting instrument of oil flow into petroleum pipeline through interface II, one way valve then like this.Connection finishes, and the bidirectional control valve of oil-collecting control device is rotated to the end by the direction of mark, makes oil well liquid-producing flow into flow meter from interface I, is input to gathering line by interface II after metering.
Claims (5)
1, the multi-functional oil-collecting control device of a kind of production wellhead, comprise the inlet (18) on main body (4) and the main body, outlet (5), interface I (7), inlet (18), outlet (5) and interface I (6) connect mutually by the passage in the main body (4), it is characterized in that: in outlet (5), be provided with one way valve, go up and export (5) respective side in main body (4) and be provided with control mouthful (19), the bidirectional control valve device is in control mouthful (19), and with the outlet (5) directly connect, the bidirectional control valve device comprises two-way spool (16), screw mandrel (9) and silk braid (13) are formed, wherein silk braid (13) device is in control mouthful (19), inwardly be connected with screw mandrel (9) and two-way spool (16), two-way spool (16) one ends and outlet (5) formation are sealed and matched, the other end and interface I passway formation are sealed and matched, and are outside equipped with screws valve for preventing illagel application at the silk braid (13) of controlling mouthful (19).
2, the multi-functional oil-collecting control device of production wellhead according to claim 1, it is characterized in that: go up near outlet (5) one way valve inboard in main body (4) and be provided with interface II (1), be provided with one way valve in the passage of interface II (1), and be connected on two-way spool (16) and the passage of outlet between (5) one way valve by one way valve, on interface I (7) and interface II (1), screws valve for preventing illagel application is set.
3, the multi-functional oil-collecting control device of production wellhead according to claim 1 and 2, it is characterized in that: on main body (4), also be provided with the access port that connects with the main body internal channel, access port is provided with screws valve for preventing illagel application, is stamped gland (6) on screws valve for preventing illagel application.
4, the multi-functional oil-collecting control device of production wellhead according to claim 3, it is characterized in that: described screws valve for preventing illagel application comprises the plug of special-shaped protruding bolt or special impression.
5, the multi-functional oil-collecting control device of production wellhead according to claim 3 is characterized in that: described screws valve for preventing illagel application is cooperated by pin (10), lock core downside pin (11) and downside pin top spring (12) on several groups of lock cores that are arranged on the plug and forms the lock cylinder formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200852981U CN2913588Y (en) | 2006-06-03 | 2006-06-03 | Multifunctional oil-collecting control device for oil extraction pore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200852981U CN2913588Y (en) | 2006-06-03 | 2006-06-03 | Multifunctional oil-collecting control device for oil extraction pore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2913588Y true CN2913588Y (en) | 2007-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200852981U Expired - Fee Related CN2913588Y (en) | 2006-06-03 | 2006-06-03 | Multifunctional oil-collecting control device for oil extraction pore |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2913588Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107424A (en) * | 2021-04-28 | 2021-07-13 | 大庆冠佳科技有限公司 | Modularized blowout prevention backflow prevention device |
| CN113738315A (en) * | 2020-05-28 | 2021-12-03 | 中国石油天然气股份有限公司 | Choke sleeve and wellhead assembly |
-
2006
- 2006-06-03 CN CNU2006200852981U patent/CN2913588Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738315A (en) * | 2020-05-28 | 2021-12-03 | 中国石油天然气股份有限公司 | Choke sleeve and wellhead assembly |
| CN113738315B (en) * | 2020-05-28 | 2023-02-28 | 中国石油天然气股份有限公司 | Choke sleeve and wellhead assembly |
| CN113107424A (en) * | 2021-04-28 | 2021-07-13 | 大庆冠佳科技有限公司 | Modularized blowout prevention backflow prevention device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |