CN104912511A - Automated manual blowout preventer locking device - Google Patents
Automated manual blowout preventer locking device Download PDFInfo
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- CN104912511A CN104912511A CN201510355011.6A CN201510355011A CN104912511A CN 104912511 A CN104912511 A CN 104912511A CN 201510355011 A CN201510355011 A CN 201510355011A CN 104912511 A CN104912511 A CN 104912511A
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- preventer
- manual
- fixed seat
- bolt hole
- locking device
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Abstract
An automated manual blowout preventer locking device comprises a blowout preventer locking system, a blowout preventer locking control system, an automatic control system and a hydraulic pipeline, wherein the blowout preventer locking system comprises a fuel tank, an electrical plunger pump, a pressure controller, a manual plunger pump, an accumulator, an electrical change valve and a manual change valve; the fuel tank is connected with the inlet of the electrical plunger pump, the outlet of the electrical plunger pump is respectively connected with the inlets of the manual change valve, the electrical change valve and the accumulator, the inlet of the manual plunger pump is connected with the outlet of the fuel tank and the outlet of the accumulator, the outlet of the manual plunger pump is connected with the inlet of the manual change device, and the outlets of the manual change valve and the electrical change valve are connected with the hydraulic pipeline on the reflux mouth and the inlet and the outlet of a hydraulic motor of the blowout preventer locking system. The time and labor are saved, the automated manual blowout preventer locking device is quick, the locking effect is safe and firm, and well leakage and well blowout accident during the well drilling and sealing period is prevented.
Description
Technical field
The present invention relates to oil field development technical field, be specifically related to a kind of safe, reliable, efficient auto-manual preventer locking device.
Background technology
Preventer is the key equipment that oil field Prevention of blowout accident occurs, if rear long-time closing well occurs in blowout, preventer check lock lever must be locked in time.All manual locking device at present, the effect of manual locking device is after blowout preventer hydraulic closing well, mechanical means is adopted to be locked by flashboard, general check lock lever stretches out derrick by universal joint, extension bar and handwheel, during use, personnel reach locking object by rotating handwheel, ensure that flashboard is shunt in a well reliably and with long-term.Although can reach the object that ram block is closed and locked, the shortcoming of manual locking structure is that operation is main by manually completing, and labour intensity is large, efficiency is low, particularly emergency, such as, in well when pernicious gas or liquid ejection, operating difficulties maybe cannot complete locking.Marine drilling platform operations area is little, and manual locking device area occupied is large, and manual operation is the devil, and causes to carry out manual locking to preventer under closing well state, and the safety that preventer uses cannot be protected.
Summary of the invention
The object of this invention is to provide a kind of auto-manual preventer locking device, realize automatic locking preventer safe, reliable, efficient under various complex environment.
Technical scheme of the present invention is achieved in the following ways:
The present invention includes preventer fastening system, preventer locking control system, automatic control system and fluid pressure line, it is characterized in that: spray apparatus fastening system comprises preventer cylinder head, check lock lever, bearing fixed seat, bearing, hydraulic motor, pinion, gear wheel, spline housing, splined shaft, bearing fixed seat is connected with preventer cylinder head by terminal pad, check lock lever one end is connected with the flashboard leading screw of preventer by pin, the other end of check lock lever is connected with splined shaft by pin, the spline of splined shaft engages with the internal tooth of spline housing, the front portion of spline housing is connected by the gland of bearing fixed seat and bearing fixed seat, bearing and sealing ring is provided with between spline housing and bearing fixed seat, a gear wheel is provided with in the periphery, rear portion of spline housing, one piece of hydraulic motor junction plate socket is provided with on gland top is vertical, be connected with hydraulic motor junction plate by bolt, hydraulic motor axle is provided with a pinion, pinion is meshed with gear wheel, preventer fastening system comprises fuel tank, electrical plunger pump, pressure controller, hand piston pump, accumulator, electric change valve and hand-operated direction valve, fuel tank is connected with the import of electrical plunger pump, electric plunger delivery side of pump is connected with the import of accumulator with the import of hand-operated direction valve, electric change valve respectively, the import of hand piston pump and fuel-tank outlet export with accumulator and are connected, manual plunger delivery side of pump is connected with the import of manual reverse of direction device, and hand-operated direction valve is connected with the import and export of refluxing opening with the hydraulic pump of preventer fastening system with the outlet of electric change valve.
Described terminal pad is set to cylindrical, center is provided with centre bore, the inner layer surface of centre bore outer peripheral face and outer layer surface separately evenly on be provided with 4-6 bolt hole, the bolt hole of inner layer surface is connected with preventer cylinder head by bolt, and the bolt hole of outer layer surface is connected with bearing fixed seat by bolt.
Affiliated bearing fixed seat is set to cylindrical, bottom is provided with extension diameter section, the step of extension diameter section is provided with the bolt hole corresponding with the bolt hole of described junction plate outer layer surface, the end face on top is provided with the bolt hole be connected with described gland bolt, center is from the lower to the upper provided with reducing hole, lower inner diameter is greater than upper inner diameter, and the internal diameter at middle part is less than the internal diameter of top and the bottom, is provided with seal groove in lower end, middle part.
Described spline housing is set to cylindrical, and middle and lower part diameter is greater than upper and lower diameter, and lower diameter is less than upper diameter, and upper end is provided with male thread, and central part is provided with splined hole, and top inner circumferential is provided with the internal tooth with spline fitted, is provided with bearing at two ends, middle and lower part.
Described splined shaft is set to cylindrical, and upper end is provided with spanner rib, and bottom is provided with the socket groove be connected with check lock lever, and socket groove is provided with bolt hole or pinhole.
Described gland is set to cylindrical, and central part is provided with spline trepanning, and the inner peripheral surface of spline trepanning is provided with seal groove, and the outer face of gland is provided with the bolt hole corresponding with the bolt hole of bearing fixed seat upper surface.
Control principle:
According to on-site actual situations, install pipeline, by control panel pressure regulation pressure regulating valve, open throttling stop valve, " lock, open " according to ram preventer corresponding on control panel indicates, and when inoperation, commutation valve rod returns meta automatically, be oil return, stir and control casing reversal valve bar, namely carry out operating the locking action of flashboard, now notice manometric reading, by observed reading, and judge whether pipeline exists leakage of oil situation.Remote platform then presses corresponding button can carry out locking operation.Control system of preventer of the present invention utilizes electrical plunger pump as power source, supercharging is carried out to system, the highest 21MPa(of being pressurized to by pressure controller setting the opening of electrodynamic pump, stop), and give pressure reservoir by accumulator, when needs operation control system locking ram preventer, energy storage pressure discharges, and hydraulic oil, by entering pressure regulator valve after high-precision filter, can utilize pressure regulator valve regulation output pressure.During locking, pressure adjustable joint is at 10.5MPa, according to operation interface instruction carry out upper or under move reversal valve thus carry out controlling (namely to ram preventer locking or unclamp) to locking device rotating, the throttle check valve regulating flow before reversal valve can be utilized to export size thus control locking hourly velocity, operation interface arranges different pressures table display system and correlation function pressure condition respectively simultaneously.System being arranged handlance as auxiliary pump, when losing power supply, hand piston pump can be utilized to give system timely supercharging.
Advantage of the present invention is:
1, by the hydraulic motor of preventer fastening system, large pinion, spline housing and spline rotational lock pole pair ram block automatic locking locking, to save time, laborsaving, quick, locking secure, prevents well shut-in period leakage and gas blowout accident.
2, when not having electric, available hand piston pump provides hydraulic power source to preventer fastening system and control system, ensures that preventer fastening system normally works.
3, when preventer fastening system locking ram block is not in place, available spanner manual lock locking, under any circumstance ensure that the blowout prevention effect of preventer.
4, the present invention can use beep box remote-control operation, and floor space is little, is applicable to marine drilling operating platform, compact conformation, convenient management, handling safety.
Accompanying drawing explanation
The solution plane schematic diagram of Fig. 1-preventer fastening system of the present invention.
The assembling schematic diagram of Fig. 2-preventer fastening system of the present invention.
Fig. 3-mounting structure schematic diagram of the present invention.
The elevation of Fig. 4-preventer locking control system of the present invention.
The top view of Fig. 5-preventer locking control system of the present invention.
The hydraulic principle figure of Fig. 6-preventer fastening system of the present invention.
1-preventer fastening system, 2-inlet tube, 3-outlet, 4-preventer fastening system, 5-beep box in Fig. 3.
1-1-preventer cylinder head, 1-2-check lock lever, 1-3-splined shaft, 1-4 spline housing, 1-5-fore bearing, 1-6-rear bearing, 1-7-bearing fixed seat, 1-8-gland, 1-9-sealing ring, 1-10-hydraulic motor, 1-11-pinion, 1-12 gear wheel, 1-13-pressure cap, 1-14-bolt, 1-15-hydraulic motor junction plate in Fig. 1,2.
Fig. 4, 5, 4-1-fuel tank in 6, 4-2-stop valve, 4-3-strainer, 4-4-electrical plunger pump, 4-5-motor, 4-6-one way valve, 4-7-safety valve, 4-8-pressure controller, 4-9-redundant hydraulic source interface, 4-10-hand plunger displacement pump, 4-11-high pressure filter, 4-12-high-pressure ball valve, 4-13-accumulator, 4-14-pressure regulator valve, 4-15-choke valve, 4-16-hand-operated direction valve, 4-17-electric change valve, 4-18-pressure transmitter, 4-19-hydraulic control one-way valve, 4-20-lubricating cup, 4-21-magnetic starter, 4-22-PLC controller, 4-23-snap joint.
Detailed description of the invention
Disclosing technical scheme of the present invention for entering one, being elaborated by embodiment below in conjunction with Figure of description:
The present invention includes preventer fastening system, preventer locking control system, automatic control system and fluid pressure line, it is characterized in that: spray apparatus fastening system 1 comprises preventer cylinder head 1-1, check lock lever 1-2, bearing fixed seat 1-7, fore bearing 1-5, rear bearing 1-6, hydraulic motor 1-10, pinion 1-11, gear wheel 1-12, spline housing 1-4, splined shaft 1-3, bearing fixed seat is connected with preventer cylinder head by terminal pad, check lock lever one end is connected with the flashboard leading screw of preventer by pin, the other end of check lock lever is connected with splined shaft by pin, the spline of splined shaft engages with the internal tooth of spline housing, the front portion of spline housing is connected by the gland of bearing fixed seat and bearing fixed seat, front and back bearings 4-5 is provided with between spline housing and bearing fixed seat, 4-6 and sealing ring 4-9, a gear wheel is provided with in the periphery, rear portion of spline housing, one piece of hydraulic motor junction plate socket is provided with on gland top is vertical, be connected with hydraulic motor junction plate by bolt, hydraulic motor axle is provided with a pinion, pinion is meshed with gear wheel, hydraulic motor drives pinion to rotate, pinion engages with gear wheel and drives gear wheel to rotate, gear wheel drives spline housing to rotate, thus splined shaft rotates, the locking of ram block is completed under the effect that the check lock lever of preventer rotates forward at spline, unblock is completed during hydraulic motor reversion, the available hand piston pump manual locking when automatic locking mechanism is malfunctioning, preventer locking control system comprises fuel tank 4-1, electrical plunger pump 4-4, pressure controller 4-8, hand piston pump 4-10, accumulator 4-13, electric change valve 4-17 and hand-operated direction valve 4-16, fuel tank with by stop valve 4-2, strainer 4-3 is connected with the import of electrical plunger pump 4-4, electric plunger delivery side of pump is respectively by pressure transmitter 4-18, high pressure filter 4-11, pressure regulator valve 4-14 and hand-operated direction valve 4-16, the 4-17 import of electric change valve is connected with the import of accumulator 4-13, import and the fuel tank 4-1 of hand piston pump 4-10 export to export with accumulator 4-13 and are connected, the outlet of hand piston pump 4-10 is connected with the import of hand-operated direction valve, hand-operated direction valve is connected with the import and export of the hydraulic motor of preventer fastening system with refluxing opening respectively with the outlet of electric change valve.
automatic control Ore-controlling Role is made up of pressurising control section and remote pilot part:
One, plenum divides control:
System pressure is transformed into 0 ~ 5V direct current signal input microprocessor by pressure transmitter 4-18 pressure signal, adhesive and the opening pressure of magnetic starter 4-21 can be set by microprocessor, thus control startup and the stopping of motor 4-5 and electrical plunger pump 4-4, when system pressure is lower than starting pressure, electric plunger pump startup is accumulator 4-13 pressurising, when system pressure reaches preset pressure, Microprocessor S3C44B0X magnetic starter 4-21 disconnects, stop machine operation, electrical plunger pump stops to system pressurising.
Two, remote control part controls to be divided into manual control part and automatically controlled Long-distance Control part:
During Non-follow control, direct control hand-operated three-position control energy storage pressure manually three position four-way directional control valve carrys out the forward or reverse of hydraulic control motor 1-10, is realized the locking of preventer by fluid motor-driven preventer check lock lever or is unscrewed function.
During automatically controlled Long-distance Control, both hands on beep box panel are needed to press the operation button, after PLC detects this input signal, control corresponding relay adhesive energising, thus make electronic three position four-way directional control valve obtain electric work, energy storage pressure drives hydraulic motor forward or reverse by three position four-way electromagnetic valve, is realized the locking of preventer by fluid motor-driven preventer check lock lever or is unscrewed function.Meanwhile, energy storage pressure becomes 4 ~ 20mA standard signal by pressure transmitter 4-18 and is input to PLC, and becomes after PLC process and send to output on remote control panel and show.
Claims (6)
1. an auto-manual preventer locking device, comprises preventer fastening system, preventer locking control system, automatic control system and fluid pressure line, is characterized in that: preventer fastening system comprises preventer cylinder head, check lock lever, bearing fixed seat, bearing, hydraulic motor, pinion, gear wheel, spline housing, splined shaft, bearing fixed seat is connected with preventer cylinder head by terminal pad, check lock lever one end is connected with the flashboard leading screw of preventer by pin, the other end of check lock lever is connected with splined shaft by pin, the spline of splined shaft engages with the internal tooth of spline housing, the front portion of spline housing is connected by the gland of bearing fixed seat and bearing fixed seat, bearing and sealing ring is provided with between spline housing and bearing fixed seat, a gear wheel is provided with in the periphery, rear portion of spline housing, one piece of hydraulic motor junction plate socket is provided with on gland top is vertical, be connected with hydraulic motor junction plate by bolt, hydraulic motor axle is provided with a pinion, and pinion is meshed with gear wheel, preventer fastening system comprises fuel tank, electrical plunger pump, pressure controller, hand piston pump, accumulator, electric change valve and hand-operated direction valve, fuel tank is connected with the import of electrical plunger pump, electric plunger delivery side of pump respectively with hand-operated direction valve, the import of electric change valve is connected with the import of accumulator, the import of hand piston pump and fuel-tank outlet export with accumulator and are connected, manual plunger delivery side of pump is connected with the import of manual reverse of direction device, hand-operated direction valve is connected with the import and export of refluxing opening with the hydraulic motor of preventer fastening system with the outlet of electric change valve.
2. auto-manual preventer locking device according to claim 1, it is characterized in that: described terminal pad is set to cylindrical, center is provided with centre bore, the inner layer surface of centre bore outer peripheral face and outer layer surface separately evenly on be provided with 4-6 bolt hole, the bolt hole of inner layer surface is connected with preventer cylinder head by bolt, and the bolt hole of outer layer surface is connected with bearing fixed seat by bolt.
3. auto-manual preventer locking device according to claim 1, it is characterized in that: affiliated bearing fixed seat is set to cylindrical, bottom is provided with extension diameter section, the step of extension diameter section is provided with the bolt hole corresponding with the bolt hole of described junction plate outer layer surface, the end face on top is provided with the bolt hole be connected with described gland bolt, center is from the lower to the upper provided with reducing hole, lower inner diameter is greater than upper inner diameter, the internal diameter at middle part is less than the internal diameter of top and the bottom, is provided with seal groove in lower end, middle part.
4. auto-manual preventer locking device according to claim 1, it is characterized in that: described spline housing is set to cylindrical, middle and lower part diameter is greater than upper and lower diameter, lower diameter is less than upper diameter, upper end is provided with male thread, central part is provided with splined hole, and top inner circumferential is provided with the internal tooth with spline fitted, is provided with bearing at two ends, middle and lower part.
5. auto-manual preventer locking device according to claim 1, it is characterized in that: described splined shaft is set to cylindrical, upper end is provided with spanner rib, and bottom is provided with the socket groove be connected with check lock lever, and socket groove is provided with bolt hole or pinhole.
6. auto-manual preventer locking device according to claim 1, it is characterized in that: described gland is set to cylindrical, central part is provided with spline trepanning, the inner peripheral surface of spline trepanning is provided with seal groove, the outer face of gland is provided with the bolt hole corresponding with the bolt hole of bearing fixed seat upper surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510355011.6A CN104912511B (en) | 2015-06-24 | 2015-06-24 | Auto-manual preventer locking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510355011.6A CN104912511B (en) | 2015-06-24 | 2015-06-24 | Auto-manual preventer locking device |
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| CN104912511A true CN104912511A (en) | 2015-09-16 |
| CN104912511B CN104912511B (en) | 2017-08-25 |
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| CN201510355011.6A Active CN104912511B (en) | 2015-06-24 | 2015-06-24 | Auto-manual preventer locking device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108798581A (en) * | 2018-05-29 | 2018-11-13 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | A kind of blowout preventer chain-type manual locking device and its application method |
| CN109050577A (en) * | 2018-09-21 | 2018-12-21 | 刘伟 | Train automatic water-supply apparatus |
| CN113510176A (en) * | 2020-04-10 | 2021-10-19 | 初冠南 | Pressurizing heading forming device |
| CN114856483A (en) * | 2022-06-02 | 2022-08-05 | 四川宝石机械钻采设备有限责任公司 | Electric ram blowout preventer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108798581A (en) * | 2018-05-29 | 2018-11-13 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | A kind of blowout preventer chain-type manual locking device and its application method |
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| CN113510176B (en) * | 2020-04-10 | 2024-01-19 | 初冠南 | Pressurizing upsetting forming device |
| CN114856483A (en) * | 2022-06-02 | 2022-08-05 | 四川宝石机械钻采设备有限责任公司 | Electric ram blowout preventer |
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| CN104912511B (en) | 2017-08-25 |
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