CN202645501U - Throttling blowout manifold and well control safety device using throttling blowout manifold - Google Patents
Throttling blowout manifold and well control safety device using throttling blowout manifold Download PDFInfo
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- CN202645501U CN202645501U CN 201220295619 CN201220295619U CN202645501U CN 202645501 U CN202645501 U CN 202645501U CN 201220295619 CN201220295619 CN 201220295619 CN 201220295619 U CN201220295619 U CN 201220295619U CN 202645501 U CN202645501 U CN 202645501U
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- blowout
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Abstract
The utility model discloses a throttling blowout manifold. The throttling blowout manifold comprises two throttling channels and a blowout channel, wherein the two throttling channels and the blowout channel are provided with same inlet and outlet; a throttling valve is arranged on the throttling channel; a flat panel valve is arranged on the blowout channel; washout-preventing buffering flanges are arranged on the surfaces, facing the surface which is subjected to washout by internal fluid, on the throttling channels and the blowout channel; the throttling and blowout manifolds are arranged behind a pressing well manifold; when the throttling manifolds are in failure, return pressure of a well mouth is controlled by the opening/closing of the throttling valve in the manifolds to maintain stable pressure at the bottom of the pressure; and the channel is supplied for blowing out and releasing the pressure again, so that the well mouth is in a controlled state to prevent the pollution of a floor layer and effectively control the occurrence of blowout accidents; and meanwhile, guarantee of secondary equipment is supplied for the drilling exploitation process of the special well, so that the safety risk of the well mouth is reduced.
Description
Technical field
The utility model relates to a kind of throttling control blowout manifold, is used for ultradeep well, the high-yield well of oil, natural gas drilling process, the throttling open flow of underbalance well, and overflow, well kick, blowout and wellhead back pressure in the control drilling process; Relate to simultaneously this application of throttling control blowout manifold in the well control security system.
Background technology
In the production operation process of oil and gas wells in oil fields, for preventing the generation of the burst accidents such as well kick, blowout, realize effective control of Oil/gas Well pressure, must be equipped with throttle kill manifold, side outlet one side of well control device connects kill manifold generally speaking, opposite side connects choke manifold, but in drilling process, may cause conventional choke manifold to lose efficacy for ultradeep well, high pressure high-yield well, underbalance well, so that uncontrollable wellhead back pressure, lose the open flow passage, exist the well control risk, cause potential safety hazard.
Therefore, be necessary to design a novel product and solve this existing issue.
The utility model content
For above-mentioned weak point of the prior art, the utility model aims to provide a kind of throttling control blowout manifold that not only can have throttling function but also can have the open flow effect, and security performance is high, long service life.
In order to achieve the above object, the technical solution of the utility model: a kind of throttling control blowout manifold, comprise the throttling passage and the open flow passage that have with import and outlet, be provided with choke valve on the described throttling passage, be provided with flap type on the described open flow passage, wherein, the face over against its inner fluid erosion is equipped with erosion resistance buffering flange on described throttling passage and open flow passage.
Further, described erosion resistance buffering flange is for filling with plumbous blank flange.
Described throttling passage comprises threeway, port of this threeway is connected with choke valve, the another port of described choke valve and threeway connects respectively a manual flap type, and described import and outlet are connected respectively on described two manual flat valves, at another port of threeway flange is set.
Described throttling passage is positioned at the top of described open flow passage.
Described throttling passage is two, wherein, have at least a throttling passage be located at described open flow passage directly over.
Described throttling passage is located at respectively top and the side top of described open flow passage.
Particularly, described throttling passage comprises the two parallel transverse sections that have respectively described import and described outlet, has described choke valve and described threeway vertical section, and has respectively two vertical section of described manual flat valve, wherein, described choke valve and described threeway are in vertical section two ends; Described vertical section two ends are respectively by this choke valve and this threeway connection corresponding to two vertical section; Described two vertical section are the corresponding top that is fixed on the same end direction of described two parallel transverse sections respectively;
The above vertically all establishes aforementioned erosion resistance buffering flange on the corresponding face of section the corresponding face in the both ends of described two parallel transverse sections, the above vertical section of described choke valve, described threeway.
Described open flow passage comprises and is arranged at the vertical section of two parallel transverse section the other end and the open flow between this two parallel transverse section, and described flap type is arranged on the vertical section of this open flow.
Entrance point and the port of export at described throttling passage and open flow passage are provided with the instrument flange, are provided with the cock pressure meter on this instrument flange.
During use, the flap type in this section stream control blowout manifold is opened, and manual flat valve is closed, and the open flow passage is opened, and plays the open flow effect; When flap type cuts out, manual flat valve is opened, and throttling passage is opened, and can realize by the keying of regulating described choke valve the effect of throttling.Face over against its inner fluid erosion on throttling passage and open flow passage all arranges erosion resistance buffering flange such as filling with plumbous blank flange, so that this end face erosive wear resistance and shock-absorbing capacity strengthen, the effectively erosion of slowing down fluid, security performance and the application life of having improved manifold; Near described import and outlet position arranges the cock pressure meter, can monitor the situation of change of inlet and outlet pressure to judge the operating condition of manifold; At last, described choke manifold is located at the top of control blowout manifold, is designed to vertical structure, saved on-the-spot usage space, for installing and transportation provides convenient.
Another purpose of the present utility model aims to provide a kind of well control safety device that contains aforementioned throttling control blowout manifold, it comprises respectively corresponding kill manifold and the choke manifold that is arranged on well control device two side outlets, wherein, described throttling control blowout manifold is connected on the described kill manifold and is in the downstream of this kill manifold.
The utility model is installed in the throttling control blowout manifold downstream of kill manifold, after choke manifold lost efficacy, can utilize the keying of the choke valve in this manifold to keep stable bottom pressure with the back pressure of control well head, for pressure release again provides passage, so that well head is in controllable state, prevent that the stratum is contaminated, can effectively control the generation of gas blowout accident.Simultaneously, provide the guarantee of secondary equipment for the probing recovery process of exceptional well, reduce the security risk of well control.
Description of drawings
Fig. 1 is the front view of this section stream control blowout manifold;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is along the sectional view of A-A line among Fig. 2;
Fig. 4 is the practical application schematic diagram of this section stream control blowout manifold.
The specific embodiment
Further describe the utility model below in conjunction with specific embodiment and accompanying drawing.
Referring to Fig. 1 to Fig. 3, described throttling control blowout manifold comprises having with import 10 and export 20 throttling passage and open flow passage, be provided with choke valve on the described throttling passage, be provided with flap type on the described open flow passage, wherein, face over against its inner fluid erosion on described throttling passage and open flow passage is equipped with erosion resistance buffering flange, and preferably this erosion resistance buffering flange is for filling with plumbous blank flange.
This section stream control blowout manifold will all be established erosion resistance buffering flange over against the face of its inner fluid erosion on throttling passage and the open flow passage, be preferably and fill with plumbous blank flange, erosive wear resistance and the shock-absorbing capacity of this erosion resistance buffering flange have been strengthened, so that it can stand the long erosion of fluid, flange than the tradition use, this improvement is the erosion of slowing down fluid effectively, has improved security performance and the application life of manifold.
Described throttling passage is located at the top of open flow passage, by vertical structure design, reduces the installing space of this section stream control blowout manifold and takes up an area the position, has saved on-the-spot usage space, simultaneously for installing and transportation provides convenient.
Example 1: described throttling control blowout manifold comprises open flow passage 5 with same import 10 and same outlet 20 and two throttling passages 1,3.
Set forth throttle structure in this section stream control blowout manifold with throttling passage 1.This throttling passage 1 includes threeway 131, and certainly, this threeway 131 can be adopted four-way even more logical substituting, and can adopt flange or capping sealing as for unnecessary useless port.A port in this threeway 131 is connected with choke valve 130, is connected respectively a manual flap type 140,150 in the another port of this choke valve 130 and threeway 131, is used for the opening and closing of this throttling passage 1 of control.At these throttling passage 1 two ends manual flat valve 140,150 is set all, can prevents throttling passage 1 in the application life that affects this choke valve 130 without described choke valve 130 under the duty is full of fluid, simultaneously, this throttling control blowout manifold also can carry out positive and negative installation.Described import 10 and export 20 and be connected respectively on described two manual flat valves 140,150.Another port in described threeway 131 arranges flange.
During use, open the unlatching that two manual flat valves 140,150 have namely been realized throttling passage 1, keying and the big or small pressure balance that realizes whole system of unlatching by regulating choke valve 130 realize throttling function.When needs are closed, only need close two manual flat valves 140,150 and get final product.
For described throttling passage 3, its work is similar with described throttling passage 1, and just two channel positions change, and does not therefore repeat them here.
For described open flow passage 5, it gets final product by pipeline that is communicated with described import 10 and exports between 20 of a flap type 52 controls.When the needs open flow, open this flap type 52, get final product and close when not required flap type 52.
For described throttling passage 1,3 and open flow passage 5 between position relationship, described throttling passage 1,3 is positioned at the top of described open flow passage 5, preferred at least two throttling passages 1, one of 3 be located at described open flow passage 5 directly over.Certainly, also can two throttling passage 1,3 all be located at open flow passage 5 directly over because channel position is too high, may cause its inner fluid in flow process, to underspeed because of energy loss.Therefore, in this example, described throttling passage 1,3 is located at respectively side top and the top of described open flow passage 5, and is concrete, and by Fig. 1 to 3 as can be known, described throttling passage 1 is located at open flow passage 5 sides top, and described throttling passage 3 is located at directly over the open flow passage 5.Save installing space and taken up an area the space, saved on-the-spot usage space.
More specifically, be described in detail with throttling passage 1 equally, similar to it for throttling passage 3, repeat no more.
Described throttling passage 1 comprises the two parallel transverse sections 11,12 that have respectively described import 10 and described outlet 20, wherein, described import 10 and described outlet 20 correspondences are located at the centre position of this two parallel transverse section 11,12, on aforementioned two corresponding delivery positions, that is to say described import 10 and export near 20 the port and on the position instrument flange 110 is set respectively, and be provided with cock pressure meter 111 at this instrument flange 110, judge the operating condition of this section stream control blowout manifold with the situation of change of monitoring import and export 10,20 pressure.Described throttling passage 1 also comprises vertical section 13 with described choke valve 130 and described threeway 131, have respectively described manual flat valve 140,150 two vertical section 14,15, wherein, described choke valve 130 and described threeway 131 are in described vertical section 13 two ends, be somebody's turn to do vertical section 13 two ends respectively by described choke valve 130 and described threeway 131 and two vertical section 14,15 corresponding connections, and described two vertical section 14,15 form the pipeline structure of whole throttling passage 1 in the corresponding top that is fixed on described two parallel transverse sections 11,12 same end directions respectively.
When the corner of above-mentioned pipeline connects, the above vertical corresponding face of section 13 of the corresponding face of the above vertical section of described two parallel transverse sections 11,12 both ends, described choke valve 130 14, described threeway 131, the capital suffers the erosion of fluid mobile in it, therefore, above-mentioned work the time is worn and torn sooner than other tube wall, thus the utility model at two parallel transverse sections 11,12 both ends respectively correspondence establish the first erosion resistance buffering flange 113, the second erosion resistance buffering flange 114, the 3rd erosion resistance buffering flange 121, the 4th erosion resistance buffering flange 122; Establish the 5th erosion resistance buffering flange 141 at described choke valve 130 the above vertical section 14 corresponding face; Establish the 6th erosion resistance buffering flange 132 at described threeway 131 the above vertical section 13 corresponding face, wherein, this first erosion resistance buffering flange 113, the second erosion resistance buffering flange 114, the 3rd erosion resistance buffering flange 121, the 4th erosion resistance buffering flange 122, the 5th erosion resistance buffering flange 141, the 6th erosion resistance buffering flange 132 are and fill with plumbous blank flange.Be arranged on many fluid erosion faces the effectively erosion of slowing down fluid, security performance and the application life of having improved manifold by working strength than general flange or the high plumbous blank flange of filling of general blank flange.In this example, when directly being the port of threeway 131 for described threeway 131 the above vertical section 13 corresponding face, the flange on this port is directly cushioned flange 132 alternative getting final product with the 6th erosion resistance.
For open flow passage 5, this open flow passage 5 comprises that being arranged at two parallel transverse sections 11,12 the other end and the open flow between this two parallel transverse section 11,12 indulges section 51, and described flap type 52 is arranged on the vertical section 51 of this open flow.
In addition, for described two parallel transverse sections 11,12 the above import 10 and export the erosion that 20 corresponding faces also can suffer streaming flow, therefore, in these two parallel transverse section, 11,12 the above imports 10 and export on 20 corresponding respectively that correspondence arranges the 7th, eight erosion resistances buffering flange 123, the seven, eight erosion resistances buffering flange 123 is similarly and fills with plumbous blank flange.
In whole throttling control blowout manifold bottom one support system 7 is set at last, is used for supporting whole throttling control blowout manifold, make things convenient for simultaneously installation, movement and the later stage work stability of this throttling control blowout manifold.
The utility model is at ultradeep well, the high pressure high-yield well, the application of the exceptional well well heads such as underbalance well, referring to Fig. 4,100 liang of side outlets of well control device of conventional oil well well head respectively correspondence kill manifold 200 and choke manifold 300 are set, and for ultradeep well, the high pressure high-yield well, the well head of the exceptional wells such as underbalance well improves on traditional basis, namely equally 100 liang of side outlets of well control device respectively correspondence kill manifold 200 and choke manifold 300 are set, described throttling control blowout manifold 400 is connected on the described kill manifold 200 and is in thereafter (take the flow direction of fluid as benchmark).Like this, in the situation that the open flow passage 5 in the described throttling control blowout manifold 400 is opened in 300 normal operations of described choke manifold, see Fig. 2, play the effect of open flow; After losing efficacy, can open described choke manifold 300 throttling passage 1,3 in the described throttling control blowout manifold 400, utilize the certain casing pressure of keying balanced well mouth of choke valve, realize " soft closing ", utilize the keying of the choke valve in this manifold to keep stable bottom pressure with the back pressure of control well head, for pressure release again provides passage, so that well head is in controllable state, prevent that the stratum is contaminated, can effectively control the generation of gas blowout accident.Simultaneously, provide the guarantee of secondary equipment for the probing recovery process of exceptional well, reduce the security risk of well head.
Described throttling control blowout manifold 400 is connected with kill manifold 200 and is designed to vertical structure, has also saved on-the-spot usage space, for install and transportation improved convenient.
The above technical scheme that the utility model embodiment is provided is described in detail, used specific case herein principle and the embodiment of the utility model embodiment are set forth, the explanation of above embodiment is only applicable to help to understand the principle of the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, all will change on the specific embodiment and range of application, in sum, this description should not be construed as restriction of the present utility model.
Claims (10)
1. throttling control blowout manifold, comprise the throttling passage and the open flow passage that have with import and outlet, be provided with choke valve on the described throttling passage, be provided with flap type on the described open flow passage, it is characterized in that: the face over against its inner fluid erosion on described throttling passage and open flow passage is equipped with erosion resistance buffering flange.
2. throttling control blowout manifold according to claim 1 is characterized in that: described erosion resistance buffering flange is for filling with plumbous blank flange.
3. throttling control blowout manifold according to claim 1 and 2, it is characterized in that: described throttling passage comprises threeway, port of this threeway is connected with choke valve, the another port of described choke valve and threeway connects respectively a manual flap type, described import and outlet are connected respectively on described two manual flat valves, at another port of threeway flange are set.
4. throttling control blowout manifold according to claim 1, it is characterized in that: described throttling passage is positioned at the top of described open flow passage.
5. throttling control blowout manifold according to claim 4, it is characterized in that: described throttling passage is two, wherein, have at least a throttling passage be located at described open flow passage directly over.
6. throttling control blowout manifold according to claim 5 is characterized in that: described throttling passage is located at respectively top and the side top of described open flow passage.
7. throttling control blowout manifold according to claim 3, it is characterized in that: described throttling passage comprises the two parallel transverse sections that have respectively described import and described outlet, have described choke valve and described threeway vertical section, reach and have respectively two vertical section of described manual flat valve, wherein, described choke valve and described threeway are in vertical section two ends; Described vertical section two ends are respectively by this choke valve and this threeway connection corresponding to two vertical section; Described two vertical section are the corresponding top that is fixed on the same end direction of described two parallel transverse sections respectively;
The above vertically all establishes aforementioned erosion resistance buffering flange on the corresponding face of section the corresponding face in the both ends of described two parallel transverse sections, the above vertical section of described choke valve, described threeway.
8. throttling control blowout manifold according to claim 7 is characterized in that: described open flow passage comprises and is arranged at two parallel transverse section the other end and the vertical section of the open flow between this two parallel transverse section, and described flap type is arranged on the vertical section of this open flow.
9. throttling control blowout manifold according to claim 1, it is characterized in that: entrance point and the port of export at described throttling passage and open flow passage are provided with the instrument flange, are provided with the cock pressure meter on this instrument flange.
10. well control safety device, comprise and containing just like the described throttling control blowout manifold of any one in the claim 1 to 8, reach respectively corresponding kill manifold and the choke manifold that is arranged on well control device two side outlets, it is characterized in that: described throttling control blowout manifold is connected on the described kill manifold and is in the downstream of this kill manifold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220295619 CN202645501U (en) | 2012-06-20 | 2012-06-20 | Throttling blowout manifold and well control safety device using throttling blowout manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220295619 CN202645501U (en) | 2012-06-20 | 2012-06-20 | Throttling blowout manifold and well control safety device using throttling blowout manifold |
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| Publication Number | Publication Date |
|---|---|
| CN202645501U true CN202645501U (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220295619 Expired - Lifetime CN202645501U (en) | 2012-06-20 | 2012-06-20 | Throttling blowout manifold and well control safety device using throttling blowout manifold |
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| CN (1) | CN202645501U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626004A (en) * | 2016-03-03 | 2016-06-01 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Blowout erosion-resistant throttle manifold for oil and gas wells |
| CN110145246A (en) * | 2019-04-12 | 2019-08-20 | 淮安市井神钻采机具有限公司 | A kind of new material spraying is anti-to fill the stifled anticorrosive throttle well killing manifold of mud high abrasion |
| CN115898304A (en) * | 2023-03-09 | 2023-04-04 | 威飞海洋装备制造有限公司 | Ocean three-dimensional choke manifold |
| CN117404032A (en) * | 2023-12-14 | 2024-01-16 | 江苏宏泰石化机械有限公司 | Prevent multistage remote control formula choke manifold device of blowout |
-
2012
- 2012-06-20 CN CN 201220295619 patent/CN202645501U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626004A (en) * | 2016-03-03 | 2016-06-01 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Blowout erosion-resistant throttle manifold for oil and gas wells |
| CN105626004B (en) * | 2016-03-03 | 2017-12-15 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of Oil/gas Well open flow erosion resistance choke manifold |
| CN110145246A (en) * | 2019-04-12 | 2019-08-20 | 淮安市井神钻采机具有限公司 | A kind of new material spraying is anti-to fill the stifled anticorrosive throttle well killing manifold of mud high abrasion |
| CN115898304A (en) * | 2023-03-09 | 2023-04-04 | 威飞海洋装备制造有限公司 | Ocean three-dimensional choke manifold |
| CN117404032A (en) * | 2023-12-14 | 2024-01-16 | 江苏宏泰石化机械有限公司 | Prevent multistage remote control formula choke manifold device of blowout |
| CN117404032B (en) * | 2023-12-14 | 2024-02-09 | 江苏宏泰石化机械有限公司 | Prevent multistage remote control formula choke manifold device of blowout |
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Granted publication date: 20130102 |
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| CX01 | Expiry of patent term |