CN204782866U - Well drilling choke manifold device is pressed in accuse - Google Patents
Well drilling choke manifold device is pressed in accuse Download PDFInfo
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- CN204782866U CN204782866U CN201520323298.XU CN201520323298U CN204782866U CN 204782866 U CN204782866 U CN 204782866U CN 201520323298 U CN201520323298 U CN 201520323298U CN 204782866 U CN204782866 U CN 204782866U
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- pipe
- back pressure
- pressure
- throttle pipe
- electromagnetic valve
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- 238000005553 drilling Methods 0.000 title claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Abstract
The utility model relates to a well drilling choke manifold device is pressed in accuse, including choke manifold and controlling means, choke manifold includes the influent stream pipe, influent stream pipe and master control throttle pipe, reserve throttle pipe and supplementary throttle pipe are connected, the master control throttle pipe, there are solenoid valve and pressure sensor on reserve throttle pipe and the supplementary throttle pipe, there is a traffic monitoring pipe influent stream pipe rear end, last still the connecting in parallel of choke manifold has the back pressure throttle pipe, the back pressure throttle pipe is connected with the back pressure pump, the back pressure throttle pipe has two outlet pipes, the UNICOM is managed with influent stream pipe and traffic monitoring respectively to two outlet pipes, controlling means includes sensing collection and automatic controlling means, automatic control device includes terminal control panel and PLC controller, the sensing is gathered and the PLC controller is connected. The utility model discloses a well drilling choke manifold device is pressed in accuse simple structure, it is with low costs, accurate to the control of pressure moreover, can realize automated control.
Description
Technical field
The utility model relates to a kind of controlled pressure drilling choke manifold device, belongs to field of petroleum machinery.
Background technology
Usually, deep-well and ultradeep well and abnormal pressure, nappe structure, igneous rock, carbonate formation safe density limit of drilling fluid stenostomia, easily cause the leakage relevant with borehole pressure, spray, collapse, the reluctant complex drilling problem such as card.Can effectively be solved the problem by controlling borehole pressure.
And choke manifold is as the critical piece of controlled pressure drilling, control the general name of the equipment of oil-air pressure, special tool and manifold, Main Function is, utilizes the choke valve in choke manifold to open and close, controls certain back pressure, keeps the balance of bottom pressure.Self-choke manifold is one of Core equipment realizing controlled pressure drilling technology, with other drilling tool with the use of can accurate control well intraocular annular pressure.
Therefore, existing controlled pressure drilling choke manifold apparatus structure is too complicated, and not only cost is higher, and accurate not to the control of pressure, can not realize the shortcomings such as Automated condtrol.
Utility model content
The technical problems to be solved in the utility model is: in order to overcome the deficiencies in the prior art, and the utility model provides a kind of controlled pressure drilling choke manifold device.
The utility model solves the technical scheme that its technical problem adopts: a kind of controlled pressure drilling choke manifold device, comprise choke manifold and control device, it is characterized in that: described choke manifold comprises influent stream pipe, master control throttle pipe, throttle pipe for subsequent use and auxiliary throttle pipe, described master control throttle pipe, throttle pipe for subsequent use and auxiliary throttle pipe arranged in parallel, described master control throttle pipe is provided with the first electromagnetic valve, first pressure sensor and first throttle control valve, described throttle pipe for subsequent use is provided with the second electromagnetic valve, second pressure sensor and second section flow control valve, described auxiliary throttle pipe is provided with the 3rd electromagnetic valve and the 3rd pressure sensor, described influent stream pipe rear end is provided with a traffic monitoring pipe, described traffic monitoring pipe is provided with flow throttling control valve and flow meter, described choke manifold is also parallel with back pressure throttle pipe, described back pressure throttle pipe is connected with backpressure pump, described back pressure throttle pipe is provided with the first outlet and the second outlet, described first outlet is communicated with influent stream pipe, described second outlet is communicated with traffic monitoring pipe, described first outlet is provided with the first back pressure electromagnetic valve and the first back pressure flow meter, described second outlet is provided with the second back pressure electromagnetic valve and the second back pressure flow meter, described control device comprises sensing acquisition and automaton, described automaton comprises terminal control panel and PLC, described sensing acquisition is connected with PLC.
Further, the intersection of described first outlet and the second outlet is provided with back pressure throttling control valve.
Further, described influent stream pipe is provided with pressure meter.
Further, described traffic monitoring pipe end is provided with outlet pressure sensor.
Further, described flow meter, the first back pressure flow meter and the second back pressure flow meter are mass flowmenter, and described flow meter, the first back pressure flow meter and the second back pressure flow meter are disposed with flow transmitter, first flow sensor and second quantity sensor.
Further, described sensing acquisition is connected with the first pressure sensor, the second pressure sensor, the 3rd pressure sensor, outlet pressure sensor, flow transmitter, first flow sensor and second quantity sensor, and described automaton is connected with the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, the first back pressure electromagnetic valve, the second back pressure electromagnetic valve, first throttle control valve, second section flow control valve, flow throttling control valve, backpressure pump, the first back pressure electromagnetic valve, the second back pressure electromagnetic valve, back pressure throttling control valve.
The beneficial effects of the utility model are, controlled pressure drilling choke manifold apparatus structure of the present utility model is simple, and cost is low, and accurate to the control of pressure, can realize Automated condtrol.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of the utility model choke manifold,
Fig. 2 is the structural representation of the utility model control device.
Wherein: 1, choke manifold, 2, control device, 3, influent stream pipe, 4, master control throttle pipe, 5, throttle pipe for subsequent use, 6, auxiliary throttle pipe, 7, first electromagnetic valve, 8, first pressure sensor, 9, first throttle control valve, 10, second electromagnetic valve, 11, second pressure sensor, 12, second section flow control valve, 13, 3rd electromagnetic valve, 14, 3rd pressure sensor, 15, traffic monitoring pipe, 16, flow throttling control valve, 17, flow meter, 18, back pressure throttle pipe, 19, backpressure pump, 20, first outlet, 21, second outlet, 22, first back pressure electromagnetic valve, 23, first back pressure flow meter, 24, second back pressure electromagnetic valve, 25, second back pressure flow meter, 26, sensing acquisition, 27, automaton, 28, terminal control panel, 29, PLC, 30, back pressure throttling control valve, 31, pressure meter, 32, outlet pressure sensor, 33, flow transmitter, 34, first flow sensor, 35, second quantity sensor.
Detailed description of the invention
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As Fig. 1, shown in Fig. 2, a kind of controlled pressure drilling choke manifold device, comprise choke manifold 1 and control device 2, described choke manifold 1 comprises influent stream pipe 3, master control throttle pipe 4, throttle pipe 5 for subsequent use and auxiliary throttle pipe 6, described master control throttle pipe 4, throttle pipe 5 for subsequent use and auxiliary throttle pipe 6 arranged in parallel, described master control throttle pipe 4 is provided with the first electromagnetic valve 7, first pressure sensor 8 and first throttle control valve 9, described throttle pipe for subsequent use 5 is provided with the second electromagnetic valve 10, second pressure sensor 11 and second section flow control valve 12, described auxiliary throttle pipe 6 is provided with the 3rd electromagnetic valve 13 and the 3rd pressure sensor 14, described influent stream pipe 3 rear end is provided with a traffic monitoring pipe 15, described traffic monitoring pipe 15 is provided with flow throttling control valve 16 and flow meter 17, described choke manifold 1 is also parallel with back pressure throttle pipe 18, described back pressure throttle pipe 18 is connected with backpressure pump 19, described back pressure throttle pipe 18 is provided with the first outlet 20 and the second outlet 21, described first outlet 20 is communicated with influent stream pipe 3, described second outlet 21 is communicated with traffic monitoring pipe 15, described first outlet 20 is provided with the first back pressure electromagnetic valve 22 and the first back pressure flow meter 23, described second outlet 21 is provided with the second back pressure electromagnetic valve 24 and the second back pressure flow meter 25, described control device 2 comprises sensing acquisition 26 and automaton 27, described automaton 27 comprises terminal control panel 28 and PLC 29, described sensing acquisition 26 is connected with PLC 29.
As the further improvement of technique scheme, the intersection of described first outlet 20 and the second outlet 21 is provided with back pressure throttling control valve 30.
As the further improvement of technique scheme, described influent stream pipe 3 is provided with pressure meter 31.
As the further improvement of technique scheme, described traffic monitoring pipe 15 end is provided with outlet pressure sensor 32.
As the further improvement of technique scheme, described flow meter 17, first back pressure flow meter 23 and the second back pressure flow meter 25 are mass flowmenter, and described flow meter 17, first back pressure flow meter 23 and the second back pressure flow meter 25 are disposed with flow transmitter 33, first flow sensor 34 and second quantity sensor 35.
As the further improvement of technique scheme, described sensing acquisition 26 and the first pressure sensor 8, second pressure sensor 11, 3rd pressure sensor 14, outlet pressure sensor 32, flow transmitter 33, first flow sensor 34 is connected with second quantity sensor 35, described automaton 27 and the first electromagnetic valve 7, second electromagnetic valve 10, 3rd electromagnetic valve 13, first back pressure electromagnetic valve 22, second back pressure electromagnetic valve 24, first throttle control valve 9, second section flow control valve 12, flow throttling control valve 16, backpressure pump 19, first back pressure electromagnetic valve 22, second back pressure electromagnetic valve 24, back pressure throttling control valve 30 connects.
During use, this choke manifold is made up of master control throttle pipe 4, throttle pipe for subsequent use 5 and auxiliary throttle pipe 6 and back pressure throttle pipe 18, master control throttle pipe 4, throttle pipe for subsequent use 5 and auxiliary throttle pipe 6 is in arranged in parallel, only master control throttle pipe 4 need be used during normal controlled pressure drilling, when master control throttle pipe 4 needs maintenance, then enable throttle pipe 5 for subsequent use, if when not needing pressure control, fluid can be allowed directly by auxiliary throttle pipe 6.When making a trip, then enable back pressure throttle pipe 18, for off set drilling liquid to balance bottom pressure.Influent stream pipe 3 is provided with pressure meter 31, for monitoring casing pressure, master control throttle pipe 4, throttle pipe for subsequent use 5 and auxiliary throttle pipe 6 are provided with electromagnetic valve and pressure sensor, and traffic monitoring pipe 15 end is provided with outlet pressure sensor 32, for monitoring pressure after throttling.Traffic monitoring pipe 15 is provided with flow throttling control valve 16, flow throttling control valve 16 is connected with flow meter 17, during normal controlled pressure drilling, allows fluid by mass flowmenter, to monitor pit shaft rate of discharge.In order to realize the self-choke of choke manifold, devise supporting control device 2.Control device 2 comprises sensing acquisition 26 and automaton 27, and automaton 26 comprises terminal control panel 28 and PLC 29, and sensing acquisition 26 is connected with PLC 29.Sensing acquisition 26 and the first pressure sensor 8, second pressure sensor 11, 3rd pressure sensor 14, outlet pressure sensor 32, flow transmitter 33, first flow sensor 34 is connected with second quantity sensor 35, described automaton 27 and the first electromagnetic valve 7, second electromagnetic valve 10, 3rd electromagnetic valve 13, first back pressure electromagnetic valve 22, second back pressure electromagnetic valve 24, first throttle control valve 9, second section flow control valve 12, flow throttling control valve 16, backpressure pump 19, first back pressure electromagnetic valve 22, second back pressure electromagnetic valve 24, back pressure throttling control valve 30 connects, can collection analysis data, thus control choke manifold.Operating personnel are inputted by terminal control panel 28 and arrange and control whole system.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on manual, must determine its technical scope according to right.
Claims (6)
1. a controlled pressure drilling choke manifold device, comprise choke manifold and control device, it is characterized in that: described choke manifold comprises influent stream pipe, master control throttle pipe, throttle pipe for subsequent use and auxiliary throttle pipe, described master control throttle pipe, throttle pipe for subsequent use and auxiliary throttle pipe arranged in parallel, described master control throttle pipe is provided with the first electromagnetic valve, first pressure sensor and first throttle control valve, described throttle pipe for subsequent use is provided with the second electromagnetic valve, second pressure sensor and second section flow control valve, described auxiliary throttle pipe is provided with the 3rd electromagnetic valve and the 3rd pressure sensor, described influent stream pipe rear end is provided with a traffic monitoring pipe, described traffic monitoring pipe is provided with flow throttling control valve and flow meter, described choke manifold is also parallel with back pressure throttle pipe, described back pressure throttle pipe is connected with backpressure pump, described back pressure throttle pipe is provided with the first outlet and the second outlet, described first outlet is communicated with influent stream pipe, described second outlet is communicated with traffic monitoring pipe, described first outlet is provided with the first back pressure electromagnetic valve and the first back pressure flow meter, described second outlet is provided with the second back pressure electromagnetic valve and the second back pressure flow meter, described control device comprises sensing acquisition and automaton, described automaton comprises terminal control panel and PLC, described sensing acquisition is connected with PLC.
2. controlled pressure drilling choke manifold device as claimed in claim 1, is characterized in that: the intersection of described first outlet and the second outlet is provided with back pressure throttling control valve.
3. controlled pressure drilling choke manifold device as claimed in claim 1, is characterized in that: described influent stream pipe is provided with pressure meter.
4. controlled pressure drilling choke manifold device as claimed in claim 1, is characterized in that: described traffic monitoring pipe end is provided with outlet pressure sensor.
5. controlled pressure drilling choke manifold device as claimed in claim 1, it is characterized in that: described flow meter, the first back pressure flow meter and the second back pressure flow meter are mass flowmenter, described flow meter, the first back pressure flow meter and the second back pressure flow meter are disposed with flow transmitter, first flow sensor and second quantity sensor.
6. controlled pressure drilling choke manifold device as claimed in claim 1, it is characterized in that: described sensing acquisition and the first pressure sensor, second pressure sensor, 3rd pressure sensor, outlet pressure sensor, flow transmitter, first flow sensor is connected with second quantity sensor, described automaton and the first electromagnetic valve, second electromagnetic valve, 3rd electromagnetic valve, first back pressure electromagnetic valve, second back pressure electromagnetic valve, first throttle control valve, second section flow control valve, flow throttling control valve, backpressure pump, first back pressure electromagnetic valve, second back pressure electromagnetic valve, back pressure throttling control valve connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520323298.XU CN204782866U (en) | 2015-05-20 | 2015-05-20 | Well drilling choke manifold device is pressed in accuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520323298.XU CN204782866U (en) | 2015-05-20 | 2015-05-20 | Well drilling choke manifold device is pressed in accuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204782866U true CN204782866U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520323298.XU Expired - Fee Related CN204782866U (en) | 2015-05-20 | 2015-05-20 | Well drilling choke manifold device is pressed in accuse |
Country Status (1)
| Country | Link |
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| CN (1) | CN204782866U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105587276A (en) * | 2016-01-28 | 2016-05-18 | 太仓市高泰机械有限公司 | Injection pressure detection type mud manifold |
| CN106761501A (en) * | 2017-02-10 | 2017-05-31 | 中国石油集团西部钻探工程有限公司 | Single channel attachment-type pressure control device |
| CN107289329A (en) * | 2016-04-12 | 2017-10-24 | 北京威浦实信科技有限公司 | Manifold control system |
| CN112983350A (en) * | 2021-04-14 | 2021-06-18 | 盐城佰信石油机械有限公司 | Wellhead back pressure regulation and control method and device |
-
2015
- 2015-05-20 CN CN201520323298.XU patent/CN204782866U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105587276A (en) * | 2016-01-28 | 2016-05-18 | 太仓市高泰机械有限公司 | Injection pressure detection type mud manifold |
| CN105587276B (en) * | 2016-01-28 | 2018-03-30 | 太仓市高泰机械有限公司 | One kind injection pressure detecting formula mud line manifold |
| CN107289329A (en) * | 2016-04-12 | 2017-10-24 | 北京威浦实信科技有限公司 | Manifold control system |
| CN107289329B (en) * | 2016-04-12 | 2019-11-22 | 北京威浦实信科技有限公司 | Manifold control system |
| CN106761501A (en) * | 2017-02-10 | 2017-05-31 | 中国石油集团西部钻探工程有限公司 | Single channel attachment-type pressure control device |
| CN112983350A (en) * | 2021-04-14 | 2021-06-18 | 盐城佰信石油机械有限公司 | Wellhead back pressure regulation and control method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20160520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |