CN204152474U - A kind of for underground work automatic monitoring oil blowout hookup - Google Patents
A kind of for underground work automatic monitoring oil blowout hookup Download PDFInfo
- Publication number
- CN204152474U CN204152474U CN201420609585.2U CN201420609585U CN204152474U CN 204152474 U CN204152474 U CN 204152474U CN 201420609585 U CN201420609585 U CN 201420609585U CN 204152474 U CN204152474 U CN 204152474U
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- CN
- China
- Prior art keywords
- oil cylinder
- well head
- oil
- plug surface
- connection block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of for underground work automatic monitoring oil blowout hookup, comprises well head Connection Block, monitoring microprocessor, hydraulic power unit, reversing solenoid valve, pressure sensor, sealing driving oil cylinder, semitight ring; Drive motors in monitoring microprocessor and hydraulic power unit, reversing solenoid valve, pressure sensor form and electrically connect; The middle part symmetry of well head Connection Block be provided with two oil cylinder fixing bases; Sealing drives the cylinder body of oil cylinder to be fixedly connected on oil cylinder fixing base, and the end winding support of piston rod is connected with semitight ring; Pressure sensor is fixedly connected in the loop concave bottom well head Connection Block; Described semitight ring is semi-annular shape, the sealing plug surface of semitight ring is provided with plug surface boss and plug surface groove.Automatically can respond to when there is overflow, well kick in well and close well head in time fast, preventing the generation of gas blowout accident.
Description
Technical field
The utility model relates to oil well operation field, particularly a kind of for underground work automatic monitoring oil blowout hookup.
Background technology
In the job execution of petroleum gas down-hole, in order to prevent hydraulic oil, gas-bearing formation generation blowout out of control accident, need, on the well head of construction, a set of import blowout hookup is installed; The generation of blowout is mainly due to when the pressure in pit shaft is less than strata pressure, and the oil in down-hole formation, gas, water enter pit shaft and forms overflow or well kick, time serious, drilling well blowout and firing accident can occur.At present, its hydraulic control lines of blowout hookup using well head is long, and joint is too much, complex structure, makes trouble point too much, brings potential safety hazard to blowout prevention work; Its installing/dismounting of current blowout hookup is also very inconvenient, blow-out release device after dismounting is often because its structure easily causes damage in unloading process, reuse and need to repair, add installation cost to a certain extent, especially after repeatedly using, easily occur oil leakage phenomenon at the joint of anti-spray ring.
Utility model content
It is simple that technical problem to be solved in the utility model is to provide a kind of structure, practical, easy for installation and can repeatedly use for underground work automatic monitoring oil blowout hookup, its feature is also that can realize closed loop automatic monitoring prevents blowout.
For solving the problems of the technologies described above, the utility model realizes as follows: one described in the utility model is used for underground work automatic monitoring oil blowout hookup and comprises well head Connection Block, monitoring microprocessor, hydraulic power unit, reversing solenoid valve, pressure sensor, sealing driving oil cylinder, semitight ring; In described monitoring microprocessor and hydraulic power unit, drive motors forms and electrically connects, and monitoring microprocessor and reversing solenoid valve form and electrically connect, and monitoring microprocessor and pressure sensor form and electrically connect; Described well head Connection Block is fixedly connected with well head, the middle part symmetry of well head Connection Block be provided with two oil cylinder fixing bases; Described sealing drives the cylinder body of oil cylinder to be fixedly connected on oil cylinder fixing base, and sealing drives the piston rod of oil cylinder to be positioned at the through hole of oil cylinder fixing base, and the end winding support of piston rod is connected with semitight ring; Described semitight ring is arranged in the cannelure that arranges in the middle part of well head Connection Block endoporus; Described pressure sensor is annular, and pressure sensor is fixedly connected in the loop concave bottom well head Connection Block, and be evenly equipped with pressure sensitive tooth inside the pressure sensor of annular, the median plane of pressure sensitive tooth forms a disc; Described semitight ring is semi-annular shape, the sealing plug surface of semitight ring is provided with plug surface boss and plug surface groove.
The oil inlet and outlet of described hydraulic power unit is connected with the control end oil circuit of reversing solenoid valve by pipeline, and the controlled terminal oil circuit of reversing solenoid valve drives the oil inlet and outlet of oil cylinder to be connected by pipeline with sealing.
Be provided with adpting flange bottom described well head Connection Block, well head Connection Block is fixed by adpting flange and well head.
Described sealing drives oil cylinder to arrange two altogether, and sealing drives the cylinder ends of oil cylinder to be provided with oil cylinder adpting flange, by oil cylinder adpting flange, is fixedly connected with respectively with symmetrically arranged two oil cylinder fixing bases.
Described semitight ring is symmetrical arranged, after semitight ring in both sides is closed, a semitight ring seals the plug surface boss of plug surface and plug surface groove and seal plug surface groove and the clamping of plug surface boss of plug surface respectively with on another semitight ring, the sealing plug surface of two semitight rings forms airtight connection; Center after the airtight connection of described semitight ring forms a circular seal face; Described circular seal face is fixed with sealing resin, and circular seal face is close on the face of cylinder of the well operation bar being positioned at circular seal face.
The top and bottom of described semitight ring form airtight connection with the top and bottom of the cannelure of well head Connection Block.
Described monitoring microprocessor is provided with warning device, and warning device comprises voice guard and early-warning lamp alarm.
Good effect of the present utility model: a kind of effect for underground work automatic monitoring oil blowout hookup described in the utility model automatically can be responded to when there is overflow, well kick in well exactly and close well head in time fast, prevents the generation of gas blowout accident; Automatic monitored control system relies on monitoring microprocessor to complete, only need arrange sensed parameter, feedback time etc. at the work initial stage on monitoring microprocessor can realize when borehole pressure is abnormal, automatic startup hydraulic power unit work, and control reversing solenoid valve cooperation synchronous working, finally complete well head according to the fixed time and close.Device, by the particular design at sealing position, makes it have certain withstand voltage, sealability, effectively can prevent the generation of gas blowout accident.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model
Fig. 2 is structural representation of the present utility model
Fig. 3 is cross-sectional schematic of the present utility model
Fig. 4 is semitight ring connection diagram of the present utility model
Fig. 5 is semitight ring structure schematic diagram of the present utility model
In figure, 1 well head Connection Block 2 monitoring microprocessor 3 hydraulic power unit
4 reversing solenoid valve 5 pressure sensor 6 sealings drive oil cylinder 7 semitight ring
In 8 wells, operation bar 9 cannelure 10 oil cylinder fixing base 11 seals plug surface
12 oil cylinder adpting flange 13 annular sealing surface 14 plug surface boss 15 plug surface grooves
Detailed description of the invention
As shown in Figures 1 to 5, one described in the utility model is used for underground work automatic monitoring oil blowout hookup and comprises well head Connection Block (1), monitoring microprocessor (2), hydraulic power unit (3), reversing solenoid valve (4), pressure sensor (5), sealing driving oil cylinder (6), semitight ring (7); In described monitoring microprocessor (2) and hydraulic power unit (3), drive motors forms and electrically connects, monitoring microprocessor (2) and reversing solenoid valve (4) form and electrically connect, and monitoring microprocessor (2) and pressure sensor (5) form and electrically connect; Described well head Connection Block (1) is fixedly connected with well head, the middle part symmetry of well head Connection Block (1) be provided with two oil cylinder fixing bases (10); Described sealing drives the cylinder body of oil cylinder (6) to be fixedly connected on oil cylinder fixing base (10), sealing drives the piston rod of oil cylinder to be positioned at the through hole of oil cylinder fixing base (10), and the end winding support of piston rod is connected with semitight ring (7); Described semitight ring (7) is arranged in the cannelure (9) that arranges in the middle part of well head Connection Block (1) endoporus; Described pressure sensor (5) is annular, pressure sensor (5) is fixedly connected in the loop concave of well head Connection Block (1) bottom, pressure sensor (5) inner side of annular is evenly equipped with pressure sensitive tooth, and the median plane of pressure sensitive tooth forms a disc; Described semitight ring (7) is semi-annular shape, the sealing plug surface (11) of semitight ring (7) is provided with plug surface boss (14) and plug surface groove (15).
The oil inlet and outlet of described hydraulic power unit (3) is connected by the control end oil circuit of pipeline with reversing solenoid valve (4), and the controlled terminal oil circuit of reversing solenoid valve (4) drives the oil inlet and outlet of oil cylinder (6) to be connected by pipeline with sealing.
Described well head Connection Block (1) bottom is provided with adpting flange, and well head Connection Block (1) is fixed by adpting flange and well head.
Described sealing drives oil cylinder (6) to arrange two altogether, sealing drives the cylinder ends of oil cylinder (6) to be provided with oil cylinder adpting flange (12), by oil cylinder adpting flange (12), be fixedly connected with symmetrically arranged two oil cylinder fixing bases (10) respectively.
Described semitight ring (7) is symmetrical arranged, after both sides semitight ring (7) is closed, a semitight ring (7) seals the plug surface boss (14) of plug surface (11) and plug surface groove (15) and seal plug surface groove (15) and plug surface boss (14) clamping of plug surface (11) respectively with on another semitight ring (7), the sealing plug surface (11) of two semitight rings (7) forms airtight connection; Center after the airtight connection of described semitight ring (7) forms a circular seal face (13); Described circular seal face (13) is fixed with sealing resin, and circular seal face (13) are close on the face of cylinder of the well operation bar (8) being positioned at circular seal face (13).
The top and bottom of described semitight ring (7) form airtight connection with the top and bottom of the cannelure (9) of well head Connection Block (1).
The course of work of the present utility model is:
One described in the utility model is used for underground work automatic monitoring oil blowout hookup and is monitored the well pressure sudden change of feeding back in well by the pressure sensor (5) being arranged at well head Connection Block (1) bottom in real time, in the engineering of normal underground work, both sides semitight ring (7) is provided separately, be hidden in the cannelure (9) of well head Connection Block (1), semitight ring (7) is separated with the face of cylinder of operation bar (8) in well, abnormal when occurring in well, during well voltage rise height, pressure sensor (5) by the parameter feedback that records to monitoring microprocessor (2), monitoring microprocessor (2) will carry out comparing calculation to feedback data and pre-stored data in time, as judged, borehole pressure is abnormal, then early warning system will be started, voice guard and early-warning lamp alarm will start, meanwhile automatic hydraulic control pumping plant (3) is started working by monitoring microprocessor (2), and open the oil-feed operating position of reversing solenoid valve (4), sealing drives the piston rod in oil cylinder (6) driving two semi-closed rings (7) to be closed, sealing function is played by the face of cylinder of the operation bar (8) in well of amplexis tightly in the circular seal face (13) of the airtight rear formation of semitight ring (7), whole system feedback time is short, action is fast, can accident be effectively avoided to occur, after borehole pressure is reduced to setting value, monitoring microprocessor (2) is by automatic hydraulic control pumping plant (3), reversing solenoid valve (4) work, the semitight ring (7) held tightly is opened reset, and underground work can normally be carried out, report to the police for releasing, the operation of opening semi-closed ring (7) also can be set to manual operation on monitoring microprocessor (2).
Claims (7)
1. for a underground work automatic monitoring oil blowout hookup, it is characterized in that: comprise well head Connection Block, monitoring microprocessor, hydraulic power unit, reversing solenoid valve, pressure sensor, sealing driving oil cylinder, semitight ring; In described monitoring microprocessor and hydraulic power unit, drive motors forms and electrically connects, and monitoring microprocessor and reversing solenoid valve form and electrically connect, and monitoring microprocessor and pressure sensor form and electrically connect; Described well head Connection Block is fixedly connected with well head, the middle part symmetry of well head Connection Block be provided with two oil cylinder fixing bases; Described sealing drives the cylinder body of oil cylinder to be fixedly connected on oil cylinder fixing base, and sealing drives the piston rod of oil cylinder to be positioned at the through hole of oil cylinder fixing base, and the end winding support of piston rod is connected with semitight ring; Described semitight ring is arranged in the cannelure that arranges in the middle part of well head Connection Block endoporus; Described pressure sensor is annular, and pressure sensor is fixedly connected in the loop concave bottom well head Connection Block, and be evenly equipped with pressure sensitive tooth inside the pressure sensor of annular, the median plane of pressure sensitive tooth forms a disc; Described semitight ring is semi-annular shape, the sealing plug surface of semitight ring is provided with plug surface boss and plug surface groove.
2. one according to claim 1 is used for underground work automatic monitoring oil blowout hookup, it is characterized in that: the oil inlet and outlet of described hydraulic power unit is connected with the control end oil circuit of reversing solenoid valve by pipeline, the controlled terminal oil circuit of reversing solenoid valve drives the oil inlet and outlet of oil cylinder to be connected by pipeline with sealing.
3. one according to claim 1 is used for underground work automatic monitoring oil blowout hookup, it is characterized in that: be provided with adpting flange bottom described well head Connection Block, well head Connection Block is fixed by adpting flange and well head.
4. one according to claim 1 is used for underground work automatic monitoring oil blowout hookup, it is characterized in that: described sealing drives oil cylinder to arrange two altogether, sealing drives the cylinder ends of oil cylinder to be provided with oil cylinder adpting flange, by oil cylinder adpting flange, be fixedly connected with symmetrically arranged two oil cylinder fixing bases respectively.
5. one according to claim 1 is used for underground work automatic monitoring oil blowout hookup, it is characterized in that: described semitight ring is symmetrical arranged, after semitight ring in both sides is closed, a semitight ring seals the plug surface boss of plug surface and plug surface groove and seal plug surface groove and the clamping of plug surface boss of plug surface respectively with on another semitight ring, the sealing plug surface of two semitight rings forms airtight connection; Center after the airtight connection of described semitight ring forms a circular seal face; Described circular seal face is fixed with sealing resin, and circular seal face is close on the face of cylinder of the well operation bar being positioned at circular seal face.
6. one according to claim 1 is used for underground work automatic monitoring oil blowout hookup, it is characterized in that: the top and bottom of described semitight ring form airtight connection with the top and bottom of the cannelure of well head Connection Block.
7. one according to claim 1 is used for underground work automatic monitoring oil blowout hookup, and it is characterized in that: described monitoring microprocessor is provided with warning device, warning device comprises voice guard and early-warning lamp alarm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420609585.2U CN204152474U (en) | 2014-10-22 | 2014-10-22 | A kind of for underground work automatic monitoring oil blowout hookup |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420609585.2U CN204152474U (en) | 2014-10-22 | 2014-10-22 | A kind of for underground work automatic monitoring oil blowout hookup |
Publications (1)
Publication Number | Publication Date |
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CN204152474U true CN204152474U (en) | 2015-02-11 |
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Family Applications (1)
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CN201420609585.2U Expired - Fee Related CN204152474U (en) | 2014-10-22 | 2014-10-22 | A kind of for underground work automatic monitoring oil blowout hookup |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN114439405A (en) * | 2022-01-22 | 2022-05-06 | 北京石油机械有限公司 | Fault monitoring method, device, equipment and medium for blowout preventer control device |
-
2014
- 2014-10-22 CN CN201420609585.2U patent/CN204152474U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN114439405A (en) * | 2022-01-22 | 2022-05-06 | 北京石油机械有限公司 | Fault monitoring method, device, equipment and medium for blowout preventer control device |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20161022 |