CN204782949U - vehicular bailing pump - Google Patents

vehicular bailing pump Download PDF

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Publication number
CN204782949U
CN204782949U CN201520519549.1U CN201520519549U CN204782949U CN 204782949 U CN204782949 U CN 204782949U CN 201520519549 U CN201520519549 U CN 201520519549U CN 204782949 U CN204782949 U CN 204782949U
Authority
CN
China
Prior art keywords
pressure release
bailing
hole
pump
fluid
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
Application number
CN201520519549.1U
Other languages
Chinese (zh)
Inventor
刘贵海
白文凯
孔祥石
王亚军
李殷海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Petrochina Co Ltd
Daqing Oilfield Co Ltd
Original Assignee
Petrochina Co Ltd
Daqing Oilfield Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Petrochina Co Ltd, Daqing Oilfield Co Ltd filed Critical Petrochina Co Ltd
Priority to CN201520519549.1U priority Critical patent/CN204782949U/en
Application granted granted Critical
Publication of CN204782949U publication Critical patent/CN204782949U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an automobile-used bailing pump has solved original bailing pump and has dragged for the uncontrollable scheduling problem of liquid measure. Particularly, an overweight discharge mechanism is added, so that liquid with weight exceeding the specified weight can be unloaded in the bailing process; secondly, when the pump is blocked in the well, the pump can be partially disassembled and can be connected with each other, so that no object falls in the well; and thirdly, fluid is designed at the top end of the bailing pump, so that the overflowing area of the cylinder is increased, the descending speed of the bailing pump in an underground oil-water medium is increased, and the purpose of shortening the single-well bailing operation time is achieved.

Description

Automobile-used bailing pump
Technical field
The utility model relates to the bailing pump used in petroleum production engineering.
Background technology
The common bailing pump that current market is common, drag for liquid measure can not automatically control at every turn, in routine work, operator drags for speed oil for accelerating individual well, usually can drag for liquid upper weight limit not according to the single of regulation to operate, if things go on like this can shorten the application life of bailing pump and wire rope, even damage, increase maintenance of equipment cost; Secondly, down-hole casing is had to the oil-water well of damage or slight deformation, use current bailing pump to drag for oil and easily occur stuck phenomenon, bailing pump and wire rope even can be made to drop down-hole, increase the oil-water well operation frequency and expense.
Summary of the invention
The purpose of this utility model is to provide a kind of automobile-used bailing pump, and this bailing pump can control each to drag for liquid measure, improves the speed of going into the well of bailing device, shortens the individual well bailing time, and there will not be stuck and trouble of lost tool in hole phenomenon.
For achieving the above object, the technical scheme that the utility model recovers the oil is: a kind of automobile-used bailing pump, comprise bulb, cylindrical shell, cross fluid, load-bearing bolt, packing element, pallet, tray seat, pressure release body, lower bulb, fluid is crossed by nut locking first in the lower end of upper bulb, upper bulb tail end is fixedly connected with load-bearing bolt by connecting bolt, above-mentioned first crosses fluid is connected with cylinder screw, barrel wall has through hole and lower through-hole, barrel wall below upper through hole arranges stop, and the cylindrical shell overcoat at lower through-hole place has packing element; Under above-mentioned load-bearing bolt, square set has second to cross fluid, and second crosses fluid is connected with cylinder screw; The threaded upper ends of described lower bulb connects pressure release body, the sidewall of pressure release body arranges relief hole, pressure release body internal fixtion spring, spring is arranged pressure release cone, the internal thread suitable for reading of pressure release body connects pressure regulation body, and the center of pressure regulation body has centre bore, pressure release body threaded upper ends connecting trays seat, be inserted in the lower port of pallet in tray seat, the support packing element suitable for reading of pallet; The lower end of above-mentioned load-bearing bolt is fixedly connected with tray seat by nut.
The beneficial effects of the utility model:
(1) each bailing weight can be limited
Bailing pump lower end is provided with pressure release body, utilizes hydraulic principle, when bailing load is greater than critical point, pushes pressure release cone open and carries out pressure release, closes (avoiding in bailing process because upward strain speed is uneven and vibration causes minor leakage phenomenon) when being slightly less than critical pressure;
(2) because of down-hole cover damage, cover becomes, the reason such as to shake out can realize safe gug, without trouble of lost tool in hole when blocking bailing pump
Shake out, jam occur time, main at bailing pump largest diameter place, i.e. packing element place, when packing element generation jam, at wire rope under upper pulling force effect, break connecting bolt, make load-bearing bolt descending, packing element glides thereupon, because packing element endoporus is large, can realize rising by distortion, pallet crosses jam when running into jam by inclination;
(3) accelerate the downstream rate of bailing pump in underground oil-water medium, shorten the individual well bailing time
Bailing pump enter liquid descending time, due to the toughness of down-hole liquid, most of liquid flows out after need entering cylindrical shell again, by adding large cylinder area of passage to realize, particularly crosses fluid in bailing pump tip designs, make partially liq need not change flow direction flow out.
Accompanying drawing explanation
Fig. 1 is the structural representation of the automobile-used bailing pump of the utility model.
Fig. 2 is the I segment structure schematic diagram in Fig. 1.
Fig. 3 is the II segment structure schematic diagram in Fig. 1.
Fig. 4 is the structural representation of the utility model when down-hole chance jam.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further:
Shown in Fig. 1 composition graphs 2 and Fig. 3: a kind of automobile-used bailing pump, comprise bulb 1, cylindrical shell 8, cross fluid, load-bearing bolt 7, packing element 9, pallet 12, tray seat 13, pressure release body 18 and lower bulb 20, the lower end of upper bulb 1 locks first by nut 3 and crosses fluid 2, upper bulb 1 tail end is fixedly connected with load-bearing bolt 7 by connecting bolt 4, above-mentioned first crosses fluid 2 is threaded with cylindrical shell 8, cylindrical shell 8 wall has through hole 5 and lower through-hole 10, barrel wall below upper through hole 5 arranges stop 6, and the cylindrical shell overcoat at lower through-hole 10 place has packing element 9; Above-mentioned load-bearing bolt 7 times square sets have the second mistake fluid 11, second mistake fluid 11 to be threaded with cylindrical shell 8; The threaded upper ends of described lower bulb 20 connects pressure release body 18, in order to prevent threading off, locking nut 19 is set below pressure release body 18, the sidewall of pressure release body 18 is arranged relief hole 17, pressure release body 18 internal fixtion spring 16, spring 16 is arranged pressure release cone 15, the internal thread suitable for reading of pressure release body 18 connects pressure regulation body 14, and the center of pressure regulation body 14 has centre bore, pressure release body 18 threaded upper ends connecting trays seat 13, be inserted in tray seat 13 in the lower port of pallet 12, the support packing element 9 suitable for reading of pallet 12; The lower end of above-mentioned load-bearing bolt 7 is fixedly connected with tray seat 13 by nut.
The course of work of automobile-used bailing pump of the present utility model:
After bailing car to well site, bailing pump bulb 1 is hung on bailing car, lower end bulb 20 connects extension weight-adding hammer, pit shaft is put in artificial righting, bailing car wire rope is descending, underspeed after the liquid level of contact down-hole, in case wire rope knotting, due to the resistance by oil-water media, pallet 11 and packing element 9 move up relative to cylindrical shell 8, stop to stop 6, now, lower through-hole 10 on cylindrical shell 8 exposes (during normal work, perforate is covered by rubber swab), liquid medium enters from lower through-hole 10, cross fluid 2 from the upper through hole 5 and first of cylindrical shell 8 upper end and flow out that (partially liq medium is crossed fluid 2 through first and flowed out, so accelerate than old-fashioned bailing pump downstream rate), being able to bailing pump under weight-adding hammer effect continues descending, descending distance is controlled by bailing car travel schedule, stop descending after reaching prescribed depth, bailing car is up afterwards, now liquid resistance effect lower rubber cylinder 9 and pallet 12 descending relative to cylindrical shell 8, geo-stationary is kept after contacting with tray seat 13, due to the pressure effect of fluid column, pallet 12 and tray seat 13 firmly compress, reach the effect of sealing, packing element about 9 two ends mineralization pressure is poor simultaneously, packing element 9 is forced to expand, be adjacent to the borehole wall and seal, liquid medium is until well head enter tank car by connecting line.
If bailing weight exceedes prescribed limit, in the moment that down-hole bailing pump is up, packing element 9 expands, its upper and lower mineralization pressure is poor, by first, fluid 2, upper through hole 5 and the second mistake fluid 11 arrive pressure release cone 15 to pump upper end liquid medium excessively, and it is backed down by force, liquid medium is by the earial drainage rapidly of the relief hole 17 on pressure release body 18, when pressure differential and spring 16 Spring balanced or when being slightly smaller than elastic force, pressure release cone 15 is up and close under elastic force effect, and bailing car pulls pit shaft by cylinder, wire rope out the liquid of regulation.
As shown in Figure 4: if bailing pump in up process because borehole wall distortion or the shaft bottom reason such as to shake out runs into jam, suitably can strengthen and carry power, but much smaller than breaking force of rope, now, upper end and bulb 1 screwed connection, the connecting bolt 4 of lower end and load-bearing bolt 7 screwed connection is pulled off, load-bearing bolt slides to the second mistake fluid 10 for 7 times to be stopped, packing element 9, pallet 12 and thereupon descending with lower part, stop along with the stopping of load-bearing bolt 7, suitable increasing lifting force, packing element 9 is due to its good elasticity and deformability, to be out of shape when running into jam point and by jam point, pallet 12 due to appearance and size larger, more difficultly when running into jam point to pass through, but its endoporus is larger, the diameter of bolt of load-bearing is simultaneously less, so by translation when meeting jam, rollover is by jam point, other parts due to appearance and size less, can pass through smoothly.

Claims (1)

1. an automobile-used bailing pump, comprise bulb, cylindrical shell, cross fluid, load-bearing bolt, packing element, pallet, tray seat, pressure release body and lower bulb, it is characterized in that: fluid is crossed by nut locking first in the lower end of described upper bulb, upper bulb tail end is fixedly connected with load-bearing bolt by connecting bolt, above-mentioned first crosses fluid is connected with cylinder screw, barrel wall has through hole and lower through-hole, the barrel wall below upper through hole arranges stop, the cylindrical shell overcoat at lower through-hole place has packing element; Under above-mentioned load-bearing bolt, square set has second to cross fluid, and second crosses fluid is connected with cylinder screw; The threaded upper ends of described lower bulb connects pressure release body, the sidewall of pressure release body arranges relief hole, pressure release body internal fixtion spring, spring is arranged pressure release cone, the internal thread suitable for reading of pressure release body connects pressure regulation body, and the center of pressure regulation body has centre bore, pressure release body threaded upper ends connecting trays seat, be inserted in the lower port of pallet in tray seat, the support packing element suitable for reading of pallet; The lower end of above-mentioned load-bearing bolt is fixedly connected with tray seat by nut.
CN201520519549.1U 2015-07-17 2015-07-17 vehicular bailing pump Expired - Fee Related CN204782949U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520519549.1U CN204782949U (en) 2015-07-17 2015-07-17 vehicular bailing pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520519549.1U CN204782949U (en) 2015-07-17 2015-07-17 vehicular bailing pump

Publications (1)

Publication Number Publication Date
CN204782949U true CN204782949U (en) 2015-11-18

Family

ID=54523017

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520519549.1U Expired - Fee Related CN204782949U (en) 2015-07-17 2015-07-17 vehicular bailing pump

Country Status (1)

Country Link
CN (1) CN204782949U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109185120A (en) * 2018-11-14 2019-01-11 中国石油化工股份有限公司江汉油田分公司石油工程技术研究院 A kind of quick plunger of combined type adapting to complicated shaft structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109185120A (en) * 2018-11-14 2019-01-11 中国石油化工股份有限公司江汉油田分公司石油工程技术研究院 A kind of quick plunger of combined type adapting to complicated shaft structure
CN109185120B (en) * 2018-11-14 2024-09-10 中国石油化工股份有限公司 Combined quick plunger adapting to complex shaft structure

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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
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151118

Termination date: 20200717