CN205101304U - Explosion -proof oil return device in oil field - Google Patents
Explosion -proof oil return device in oil field Download PDFInfo
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- CN205101304U CN205101304U CN201520851068.0U CN201520851068U CN205101304U CN 205101304 U CN205101304 U CN 205101304U CN 201520851068 U CN201520851068 U CN 201520851068U CN 205101304 U CN205101304 U CN 205101304U
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- oil
- solenoid valve
- vacuum
- explosion
- vacuum vessel
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Abstract
Explosion -proof oil return device in oil field includes vacuum pump package, vacuum solenoid, vacuum vessel chamber, inlet port, oil absorption solenoid valve, level gauge, oil drain port, exhaust solenoid valve, oil extraction solenoid valve, oil pumping pump package and controller, the inlet port is used for communicateing a preventer controlling means's pipe connector mouth, and the inlet port is through oil absorption solenoid valve intercommunication vacuum vessel chamber, the vacuum pump package passes through vacuum solenoid intercommunication vacuum vessel chamber, the oil drain port feeds through the vacuum vessel chamber through oil pumping pump package and oil extraction solenoid valve, and the oil drain port is used for feeding through this preventer controlling means's oil tank, the exhaust solenoid valve is installed on this vacuum vessel chamber, and the level gauge is installed in this vacuum vessel intracavity for detect the liquid level of the hydraulic oil of vacuum vessel intracavity. The utility model discloses can be with the connecting pipe on -line between preventer controlling means and the preventer, and the hydraulic oil in the preventer sap cavity draws back preventer controlling means liquid incasement, so, hydraulic oil can not appear when the relocation is dismantled to equipment reveals environmental protection safety.
Description
Technical field
The utility model relates to the explosion-proof oil return apparatus in a kind of oil field.
Background technique
On well site of oil field, in drilling process, blowout preventing control apparatus for controlling preventer, the special device of kill-job open flow threshold switch action of surging, be that oil and gas well drilling or well workover process prevent the indispensable equipment of blowout out of control.The pipe framed bent using high pressure hose between preventer with blowout preventing control apparatus or be made up of metal hard tube is communicated with, connect distance and be about 30 meters, utilize high pressure hose or metal hard tube by hydraulic oil as the transmission of signal pressure liquid, thus realize the switch controlling preventer.Therefore, when equipment availability, hydraulic line and preventer oil pocket inside are full of hydraulic oil, after well head drilling well, equipment stops operation, still there is a large amount of hydraulic oil in this part, drilling well one is opened, drilling well two is opened, wellhead equipment moves or when returning to well control center, blowout preventing control apparatus and preventer connecting line need to dismantle could be moved, because pipeline and inner cavity of blow-out preventer are filled with hydraulic oil, there will be two kinds of phenomenons when disassembled:
1, when pipeline jointing is self seal oil union, pipeline can not be discharged because oil still exists pipeline inside after being separated, now, because high pressure hose needs pressure line, relatively slightly, pipeline inside is containing hydraulic oil simultaneously, be not easy to coil pipe circle, volume weight, and pipeline is hard especially when low temperature in winter, cause being unfavorable for lifting, carrying, there is certain potential safety hazard.In addition, after the dismounting of preventer pipeline connection mouth, preventer oil pocket hydraulic oil will leak, befouling environment.
2, when pipeline jointing is non-self seal oil union, after pipeline is separated, oil will flow out, and because pipeline is thick, the reason such as hard and field environmental condition, after pipe joint dismounting, intraluminal fluid force feed is difficult to collect and reclaims, after the dismounting of same preventer pipeline connection mouth, preventer oil pocket hydraulic oil will leak.Now cause hydraulic oil to run off to waste, more serious problem damages environment.
Model utility content
For the deficiencies in the prior art, the utility model is intended to provide a kind of oil field solved the problems of the technologies described above explosion-proof oil return apparatus.
For achieving the above object, the utility model adopts following technological scheme:
The explosion-proof oil return apparatus in a kind of oil field, it comprises vacuum pump group, vacuum solenoid, vacuum vessel chamber, inlet port, oil suction solenoid valve, level meter, oil drain out, exhaust solenoid valve, oil drain solenoid valve, oil well pump group and controller;
Inlet port is for being communicated with the interface tube of a blowout preventing control apparatus, and inlet port is communicated with vacuum vessel chamber by oil suction solenoid valve; Vacuum pump group is communicated with vacuum vessel chamber by vacuum solenoid; Oil drain out is communicated with vacuum vessel chamber by oil well pump group with oil drain solenoid valve, and oil drain out is for being communicated with the fuel tank of this blowout preventing control apparatus; Exhaust solenoid valve is installed on this vacuum vessel chamber, and level meter is installed in this vacuum vessel chamber, for detecting the liquid level of the hydraulic oil in vacuum vessel chamber;
Controller is used for when the liquid level detected by level meter is lower than lower limit, close oil drain solenoid valve, oil well pump group and exhaust solenoid valve, and open vacuum solenoid and oil suction solenoid valve, and start vacuum pump group, be sucked in vacuum vessel chamber to make the oil of inlet port by oil suction solenoid valve;
When the liquid level detected by level meter rises to higher than CLV ceiling limit value, controller closes vacuum solenoid, oil suction solenoid valve and vacuum pump group, and open exhaust solenoid valve, oil drain solenoid valve and startup oil well pump group, enter the fuel tank of blowout preventing control apparatus to make the oil in vacuum vessel chamber by oil drain solenoid valve, oil well pump group and oil drain out;
Liquid level detected by level meter is lower than CLV ceiling limit value, and time more than the vacuum pump group operation first threshold time, controller closes vacuum solenoid, oil suction solenoid valve and vacuum pump group, and open exhaust solenoid valve, oil drain solenoid valve and startup oil well pump group, with the fuel tank making the oil in vacuum vessel chamber all enter blowout preventing control apparatus.
The beneficial effects of the utility model are at least as follows:
The utility model can by the connecting line between blowout preventing control apparatus and preventer, and the hydraulic oil in preventer sap cavity is drawn back in blowout preventing control apparatus liquid case, so, there will not be hydraulic oil to reveal, Environmental Safety during equipment dismounting resettlement.
Accompanying drawing explanation
Fig. 1 is the structural representation of the better embodiment of the explosion-proof oil return apparatus in the utility model oil field.
Fig. 2 is the structural representation of another view of the explosion-proof oil return apparatus in oil field of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further:
Refer to Fig. 1 and Fig. 2, the utility model relates to the explosion-proof oil return apparatus in a kind of oil field, and its better embodiment comprises vacuum pump group 4, vacuum solenoid 5, vacuum vessel chamber 11, inlet port 10, oil suction solenoid valve 9, level meter 1, oil drain out 16, exhaust solenoid valve 12, oil drain solenoid valve 14, oil well pump group 15 and controller 6.
Inlet port 10 is for being communicated with the interface tube of a blowout preventing control apparatus, and inlet port 10 is communicated with vacuum vessel chamber 11 by oil suction solenoid valve 9; Vacuum pump group 4 is communicated with vacuum vessel chamber 11 by vacuum solenoid 5; Oil drain out 16 is communicated with vacuum vessel chamber 11 by oil well pump group 15 with oil drain solenoid valve 14, and oil drain out 16 is for being communicated with the fuel tank of this blowout preventing control apparatus; Exhaust solenoid valve 12 is installed on this vacuum vessel chamber 11, and level meter 1 is installed in this vacuum vessel chamber 11, for detecting the liquid level of the hydraulic oil in vacuum vessel chamber 11;
Controller 6 is for when the liquid level detected by level meter 1 is lower than lower limit, close oil drain solenoid valve 14, oil well pump group 15 and exhaust solenoid valve 12, and open vacuum solenoid 5 and oil suction solenoid valve 9, and start vacuum pump group 4, be sucked in vacuum vessel chamber 11 to make the oil of inlet port 10 by oil suction solenoid valve 9, wherein, the oil of inlet port 10 is from the oil pipe of blowout preventing control apparatus and the oil pocket of preventer;
When the liquid level detected by level meter 1 rises to higher than CLV ceiling limit value, controller 6 closes vacuum solenoid 5, oil suction solenoid valve 9 and vacuum pump group 4, and open exhaust solenoid valve 12, oil drain solenoid valve 14 and start oil well pump group 15, to make the oil in vacuum vessel chamber 11 enter the fuel tank of blowout preventing control apparatus by oil drain solenoid valve 14, oil well pump group 15 and oil drain out 16, realize oil return.When the liquid level in vacuum vessel chamber 11 drops to again lower than lower limit, controller by vacuum pump group 4 oil suction, so circulates once more.
Liquid level detected by level meter 1 is lower than CLV ceiling limit value, and vacuum pump group 4 is when running more than the first threshold time, controller 6 closes vacuum solenoid 5, oil suction solenoid valve 9 and vacuum pump group 4, and open exhaust solenoid valve 12, oil drain solenoid valve 14 and start oil well pump group 15, with the fuel tank making the oil in vacuum vessel chamber 11 all enter blowout preventing control apparatus, so, the hydraulic oil oil return of preventer oil pocket and blowout preventing control apparatus pipeline is complete.
In the present embodiment, the explosion-proof oil return apparatus in oil field also comprises the pressure transducer 2 being installed on vacuum vessel chamber 11, for detecting the force value in vacuum vessel chamber 11; Open at vacuum solenoid 5, and after vacuum pump group 4 runs the Second Threshold time, the force value that pressure transducer 2 detects by controller is compared with the pressure threshold preset, when force value is higher than pressure threshold, controller by alarm as vacuum leak pointed out by signaling lamp, so that operator's Timeliness coverage, keeps in repair; When force value is lower than pressure threshold, controller opens oil suction solenoid valve 9, now, vacuum solenoid 5, oil suction solenoid valve 9 and vacuum pump group 4 are all opened, then normally can carry out oil suction operation.
Preferably, the explosion-proof oil return apparatus in oil field also comprises and is communicated with manual vacuum valve 7 at the two ends of vacuum solenoid 5, so as vacuum solenoid 5 can not automatic on-off time, carry out manually-operable.
Preferably, the explosion-proof oil return apparatus in oil field also comprises and is communicated with manual oil suction stop valve 8 at the two ends of oil suction solenoid valve 9, so as oil suction solenoid valve 9 can not automatic on-off time, carry out manually-operable.
Preferably, the explosion-proof oil return apparatus in oil field also comprises and is communicated with manual draining valve 13 at the two ends of oil drain solenoid valve 14, so as oil drain solenoid valve 14 can not automatic on-off time, carry out manually-operable.
Preferably, the explosion-proof oil return apparatus in oil field also comprises the manual exhaust valve 19 being arranged on vacuum vessel chamber 11, so as exhaust solenoid valve 12 can not automatic on-off time, carry out manually-operable.
Preferably, the explosion-proof oil return apparatus in oil field also comprises the oil absorption filter 17 be communicated with between inlet port 10 and oil suction solenoid valve 9.
Preferably, the explosion-proof oil return apparatus in oil field also comprises the draining oil filter 19 be communicated with between oil drain solenoid valve 14 and vacuum vessel chamber 11.
Preferably, vacuum vessel chamber 11 is also provided with oily mirror form 18, carries out liquid level observation to facilitate when manually pumping.
Preferably, the explosion-proof oil return apparatus in oil field is provided with the operator scheme being electrically connected controller and selects knob, with easy-to-operat personnel selection automatic oil return or manual oil return.
For a person skilled in the art, according to technological scheme described above and design, other various corresponding change and distortion can be made, and all these change and distortion all should belong within the protection domain of the utility model claim.
Claims (10)
1. the explosion-proof oil return apparatus in oil field, is characterized in that: it comprises vacuum pump group, vacuum solenoid, vacuum vessel chamber, inlet port, oil suction solenoid valve, level meter, oil drain out, exhaust solenoid valve, oil drain solenoid valve, oil well pump group and controller;
Inlet port is for being communicated with the interface tube of a blowout preventing control apparatus, and inlet port is communicated with vacuum vessel chamber by oil suction solenoid valve; Vacuum pump group is communicated with vacuum vessel chamber by vacuum solenoid;
Oil drain out is communicated with vacuum vessel chamber by oil well pump group with oil drain solenoid valve, and oil drain out is for being communicated with the fuel tank of this blowout preventing control apparatus; Exhaust solenoid valve is installed on this vacuum vessel chamber, and level meter is installed in this vacuum vessel chamber, for detecting the liquid level of the hydraulic oil in vacuum vessel chamber;
Controller is used for when the liquid level detected by level meter is lower than lower limit, close oil drain solenoid valve, oil well pump group and exhaust solenoid valve, and open vacuum solenoid and oil suction solenoid valve, and start vacuum pump group, be sucked in vacuum vessel chamber to make the oil of inlet port by oil suction solenoid valve;
When the liquid level detected by level meter rises to higher than CLV ceiling limit value, controller closes vacuum solenoid, oil suction solenoid valve and vacuum pump group, and open exhaust solenoid valve, oil drain solenoid valve and startup oil well pump group, enter the fuel tank of blowout preventing control apparatus to make the oil in vacuum vessel chamber by oil drain solenoid valve, oil well pump group and oil drain out;
Liquid level detected by level meter is lower than CLV ceiling limit value, and time more than the vacuum pump group operation first threshold time, controller closes vacuum solenoid, oil suction solenoid valve and vacuum pump group, and open exhaust solenoid valve, oil drain solenoid valve and startup oil well pump group, with the fuel tank making the oil in vacuum vessel chamber all enter blowout preventing control apparatus.
2. the explosion-proof oil return apparatus in oil field as claimed in claim 1, is characterized in that: the explosion-proof oil return apparatus in oil field also comprises the pressure transducer being installed on vacuum vessel chamber, for detecting the force value in vacuum vessel chamber; Open at vacuum solenoid, and after the vacuum pump group operation Second Threshold time, the force value that pressure transducer detects by controller is compared with the pressure threshold preset, and when force value is higher than pressure threshold, controller points out vacuum leak by alarm; When force value is lower than pressure threshold, controller opens oil suction solenoid valve.
3. the explosion-proof oil return apparatus in oil field as claimed in claim 1 or 2, is characterized in that: the explosion-proof oil return apparatus in oil field also comprises the manual vacuum valve be communicated with at the two ends of vacuum solenoid.
4. the explosion-proof oil return apparatus in oil field as claimed in claim 1 or 2, is characterized in that: the explosion-proof oil return apparatus in oil field also comprises the manual oil suction stop valve be communicated with at the two ends of oil suction solenoid valve.
5. the explosion-proof oil return apparatus in oil field as claimed in claim 1 or 2, is characterized in that: the explosion-proof oil return apparatus in oil field also comprises the manual draining valve be communicated with at the two ends of oil drain solenoid valve.
6. the explosion-proof oil return apparatus in oil field as claimed in claim 1 or 2, is characterized in that: the explosion-proof oil return apparatus in oil field also comprises the manual exhaust valve being arranged on vacuum vessel chamber.
7. the explosion-proof oil return apparatus in oil field as claimed in claim 1 or 2, is characterized in that: the explosion-proof oil return apparatus in oil field also comprises the oil absorption filter be communicated with between inlet port and oil suction solenoid valve.
8. the explosion-proof oil return apparatus in oil field as claimed in claim 1 or 2, is characterized in that: the explosion-proof oil return apparatus in oil field also comprises the draining oil filter be communicated with between oil drain solenoid valve and vacuum vessel chamber.
9. the explosion-proof oil return apparatus in oil field as claimed in claim 1 or 2, is characterized in that: vacuum vessel chamber is also provided with oily mirror form.
10. the explosion-proof oil return apparatus in oil field as claimed in claim 1 or 2, is characterized in that: the explosion-proof oil return apparatus in oil field is provided with and is electrically connected the automatic of controller and manual operation mode selection knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520851068.0U CN205101304U (en) | 2015-10-28 | 2015-10-28 | Explosion -proof oil return device in oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520851068.0U CN205101304U (en) | 2015-10-28 | 2015-10-28 | Explosion -proof oil return device in oil field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205101304U true CN205101304U (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520851068.0U Withdrawn - After Issue CN205101304U (en) | 2015-10-28 | 2015-10-28 | Explosion -proof oil return device in oil field |
Country Status (1)
| Country | Link |
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| CN (1) | CN205101304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179354A (en) * | 2015-10-28 | 2015-12-23 | 广州东塑石油钻采专用设备有限公司 | Anti-explosion oil returning device of oil field |
-
2015
- 2015-10-28 CN CN201520851068.0U patent/CN205101304U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179354A (en) * | 2015-10-28 | 2015-12-23 | 广州东塑石油钻采专用设备有限公司 | Anti-explosion oil returning device of oil field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160323 Effective date of abandoning: 20170630 |