CN203640945U

CN203640945U - Full-automatic hydraulic supercharging device

Info

Publication number: CN203640945U
Application number: CN201320783276.2U
Authority: CN
Inventors: 李希民; 齐君
Original assignee: XI'AN XINSHI ELECTROMECHANICAL EQUIPMENT CO Ltd
Current assignee: XI'AN XINSHI ELECTROMECHANICAL EQUIPMENT CO Ltd
Priority date: 2013-11-28
Filing date: 2013-11-28
Publication date: 2014-06-11
Anticipated expiration: 2023-11-28

Abstract

The utility model discloses a full-automatic hydraulic supercharging device. The full-automatic hydraulic supercharging device comprises a frame, wherein hydraulic cylinders which are parallel to one another are arranged in the frame, and are connected with a first reversing valve and a second reversing valve through pipes; the first reversing valve is connected with a pump station and a high-pressure water injection well through a pipe; and the second reversing valve is connected with the pump station and a low-pressure water injection well through a pipe. By using the structure, the original water injection facility can be used, other extra power is not required, and the energy and the cost are saved; 35MPa water injection requirements can be met to the maximum degree; equipment runs stably and is low in noise; the mechanical failure rate is low, and the supercharging device is easy and convenient to maintain and operate; water feeding pressure can be voluntarily set, and different water injection requirements can be met; single-well or multi-well simultaneous supercharging can be realized; and the full-automatic hydraulic supercharging device is designed in an integrated manner, occupies small space, and is easy to mount.

Description

Full-automatic waterpower supercharging device

Technical field

The utility model relates to oilbearing stratum water injection equipment, refers to especially a kind of full-automatic waterpower supercharging device.

Background technique

In the later stage of petroleum collection, along with going deep into gradually of recovering the oil, need the pressure of water filling to raise gradually, the employing of the great majority of water filling is at present joined plunger pump at multi-purpose station and is carried out water filling, in early stage when design planning, corresponding plunger pump can be chosen to a higher pressure, the pressure design of pipe network also can be higher simultaneously.But engendered in recent years high pressure under-injected well (pressure exceeds the limiting value of design of pipe networks pressure), will be by the petroleum collection of high pressure under-injected well out, just must increase the pressure of plunger pump, need again to lay pipe network, but the oil well having may exceed tens kilometers apart from plunger pump, again lays pipe network expense and tends to very high simultaneously, and the expense of plunger pump is also higher, as can be seen here, existing supercharging mode, needs very high cost.

Model utility content

The utility model is for deficiency of the prior art, and object is to provide a kind of full-automatic waterpower supercharging device, and it meets the requirement of well head to higher water injection pressure with low cost on the basis of existing utility.

The technical solution of the utility model is achieved in that full-automatic waterpower supercharging device, comprise framework, in this framework, be provided with the oil hydraulic cylinder being set up in parallel, described oil hydraulic cylinder connects the first selector valve and the second selector valve by pipeline, wherein, the first selector valve connects pumping plant and high-pressure water injection well by pipeline, and this second selector valve connects pumping plant and low pressure water injection well by pipeline.

As preferably, in described oil hydraulic cylinder, position limit switch is installed, described position limit switch is electrically connected with the first selector valve, the second selector valve.

As preferably, the bottom of this framework is provided with adjustment lower margin.

As preferably, in this framework, be further provided with the maintenance system being connected with oil hydraulic cylinder.

As preferably, described oil hydraulic cylinder is divided into a chamber, two chambers, three chambers, four chambers successively, and wherein, a described chamber, four chambers are connected with the second selector valve by pipeline, and described two chambers, three chambers are connected with the first selector valve by pipeline.

The utility model is compared with prior art: adopt said structure, can be by original water injection facility, and without other extra power, energy saving and cost; The highest waterflooding requirement of realizing 35MPa; Equipment operates steadily, and noise is low; Failure rate of machinery is low, and housekeeping operation is easy; Intake pressure can be set voluntarily, meets the waterflooding requirement of different demands; Can realize the supercharging simultaneously of individual well or many wells; Integrated design, takes up an area less, is easy to install.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model;

Fig. 2 is principle schematic of the present utility model.

Drawing reference numeral:

Framework 1 oil hydraulic cylinder 2 first selector valve 3 second selector valves 4

Pumping plant 5 high-pressure water injection well 6 low pressure water injection well 7 maintenance systems 8

Adjust lower margin 9 bearing post 21 piston rod 22 pistons 23

One chamber 24 2 chamber 25 3 chamber 26 4 chambers 27

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.

As shown in attached Fig. 1 and 2, this full-automatic waterpower supercharging device comprises framework 1, in this framework 1, be provided with the oil hydraulic cylinder 2 being set up in parallel, this oil hydraulic cylinder 2 connects the first selector valve 3 and the second selector valve 4 by pipeline, this first selector valve 3 and the second selector valve 4 not only, in order to change the flow direction of water inlet or water outlet, have also played the on-off action of selector valve; Further, this first selector valve 3 connects pumping plant 5 and high-pressure water injection well 6 by pipeline, and this second selector valve 4 connects pumping plant 5 and low pressure water injection well 7 by pipeline.The interior maintenance system 8 being connected with oil hydraulic cylinder 2 that is further provided with of this framework 1, in order to check the sealing of oil hydraulic cylinder 2.Further, the bottom of this framework 1 is provided with adjusts lower margin 9, in order to the planeness of controlling device, in the time of ground out-of-flatness, by adjusting the screw-in depth of screw, can realize the adjustment of horizontal position.

Oil hydraulic cylinder 2 has a columniform pump housing, pump housing middle part is bearing post 21, there is piston rod 22 at bearing post 21 center, the two ends of piston rod 22 are piston 23, the pump housing is divided into a chamber 24 by two pistons 23, two chambers 25, three chambers 26, four chambers 27 are totally four chambers, a described chamber 24, described four chambers 27 are connected with the second selector valve 4 by pipeline, described two chambers 25, three chambers 26 are connected with the first selector valve 3 by pipeline, this first selector valve 3 connects respectively pumping plant 5 and high-pressure water injection well 6 by pipeline, this second selector valve 4 connects pumping plant 5 and low pressure water injection well 7 by pipeline.

Further, in described oil hydraulic cylinder 2, position limit switch is installed, described position limit switch is electrically connected with the first selector valve 3, the second selector valve 4.

The utility model supercharging principle: suppose that the water pressure of coming of being exported by pumping plant 5 is P0, establishing chamber 24 pressure is Pa, and piston 23 end face useful area are a; Two chamber 25 pressure are Pb, and piston 23 end face useful area are b; Three chamber 26 pressure are Pc, and piston 23 end face useful area are c; Four chamber 27 pressure are Pd, piston 23 useful area be d(wherein, a=d, b=c, Pa=Pd, Pb=Pc, puts aside mechanical efficiency and ductwork pressure loss), in the time that piston 23 moves right, if the suffered pressure of two chamber 25 end faces is made as F, there is F=Pa*a+Pc*c, due to F=P*b, (P is final delivery pressure), P=F/b, therefore P=(Pa*a+Pc*c)/b, can release P=(Pa+Pc*c/b) >Pa, thereby realize supercharging.

The utility model working procedure: the current with pressure of pumping plant 5 are divided into two-way, one tunnel the second selector valve 4 direct currents enter a chamber 24 of oil hydraulic cylinder 2, another road first selector valve 3 oblique flows enter three chambers 26 simultaneously, together with the hydraulic pressure of one chamber 24 and three chambers 26, promoting piston rod 22 moves right, the partially liq pressurized of two chambers 25 is discharged, enter high-pressure water injection well 6, realize high pressure water injection, the water that four chambers 27 are discharged by compression simultaneously injects low pressure water injection well 7, in the time that moving to right design point, piston 23 contacts with position limit switch, position limit switch sends signal, force the first selector valve 3, the second selector valve 4 commutates, the water that makes to come enters two chambers 25 through the first selector valve 3 direct currents, another road water enters four chambers 27 through the second selector valve 4 oblique flows simultaneously, together with the hydraulic pressure of two chambers 25 and four chambers 27, promote piston 23 to left movement, the partially liq pressurized of one chamber 24 is discharged, enter high-pressure water injection well 6, realize high pressure water injection, the water that three chambers 26 are discharged by compression simultaneously injects low pressure water injection well 7.In the time that piston 23 moves to left design point, contact with position limit switch, position limit switch sends signal, forces the first selector valve 3, the second selector valve 4 to commutate, and so just completes the action of one-period, reruns successively.

The utility model adopts said structure, can be by original water injection facility, and without other extra power, energy saving and cost; The highest waterflooding requirement of realizing 35MPa; Equipment operates steadily, and noise is low; Failure rate of machinery is low, and housekeeping operation is easy; Intake pressure can be set voluntarily, meets the waterflooding requirement of different demands; Can realize the supercharging simultaneously of individual well or many wells; Integrated design, takes up an area less, is easy to install.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. full-automatic waterpower supercharging device, comprise framework (1), it is characterized in that: in this framework (1), be provided with the oil hydraulic cylinder (2) being set up in parallel, described oil hydraulic cylinder (2) connects the first selector valve (3) and the second selector valve (4) by pipeline, wherein, the first selector valve (3) connects pumping plant (5) and high-pressure water injection well (6) by pipeline, and this second selector valve (4) connects pumping plant (5) and low pressure water injection well (7) by pipeline.

2. full-automatic waterpower supercharging device according to claim 1, is characterized in that: described oil hydraulic cylinder is provided with position limit switch in (2), and described position limit switch is electrically connected with the first selector valve (3), the second selector valve (4).

3. full-automatic waterpower supercharging device according to claim 1, is characterized in that: the bottom of this framework (1) is provided with adjusts lower margin (9).

4. full-automatic waterpower supercharging device according to claim 1, is characterized in that: in this framework (1), be further provided with the maintenance system (8) being connected with oil hydraulic cylinder (2).

5. full-automatic waterpower supercharging device according to claim 1, it is characterized in that: described oil hydraulic cylinder (2) is divided into a chamber (24), two chambers (25), three chambers (26), four chambers (27) successively, wherein, a described chamber (24), four chambers (27) are connected with the second selector valve (4) by pipeline, and described two chambers (25), three chambers (26) are connected with the first selector valve (3) by pipeline.