CN205154118U - Back pressure integrated device falls in jet pump oil recovery well group - Google Patents
Back pressure integrated device falls in jet pump oil recovery well group Download PDFInfo
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- CN205154118U CN205154118U CN201520851247.4U CN201520851247U CN205154118U CN 205154118 U CN205154118 U CN 205154118U CN 201520851247 U CN201520851247 U CN 201520851247U CN 205154118 U CN205154118 U CN 205154118U
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- gate valve
- jet pump
- pressure
- back pressure
- pressure meter
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Abstract
The utility model provides a back pressure integrated device falls in jet pump oil recovery well group, including the jet pump, the stationary flow water injection mandrel, the jet pump left end is jet pump high pressure sunction inlet, the lower extreme is the jet pump sunction inlet, the right -hand member is the jet pump liquid outlet, stationary flow water injection mandrel left end is stationary flow water injection mandrel water inlet, the right -hand member is stationary flow water injection mandrel delivery port, stationary flow water injection mandrel water inlet leads to the water injection pipe network through the gate valve in a row, stationary flow water injection mandrel delivery port passes through the gate valve second line and communicates jet pump high pressure sunction inlet, the jet pump sunction inlet passes through gate valve no. 3 and communicates oil recovery well extraction liquid pipeline, the jet pump liquid outlet passes through gate valve no. 4 and communicates well head oil outlet pipeline. The utility model discloses an integrated skid -mounted equipment, area is little, and the installation is simple, and the energy consumption is low, and with low costs and device lightly is convenient for move, and the allotment that pressurization through the jet pump mixed liquid and stationary flow water injection mandrel is used for reducing the well head back pressure.
Description
Technical field
The utility model relates to oil recovery well group and falls back pressure integrating device technical field, is specifically related to a kind of jet injector oil production well group and falls back pressure integrating device.
Background technology
Changqing oilfields is located in Ordos Basin, belongs to typically hypotonic, low pressure, stripper pool, and the emphasis of exploitation progressively turns to and buries the reservoir darker, permeability is lower, and it is fast that exploitation oil well has production decline, the features such as well yield is low.Part well site due to Liquid output low, pipeline temperature drop is fast, runs difficulty, and especially winter, pipeline frozen block was frequent, and de-plugging waste of manpower, material resources, affect oil well and normally produce, and environment pollution reparation costliness, affects corporate image.Following manner is adopted then to there is following problem:
Simple well head heating, because liquid measure is too low, DeGrain;
Well site is established tank, is drawn oily method to produce, and crude oil roping cost is high, and fellow-villager makes a mad rush for crude oil, case of harassment takes place frequently;
Sledge dress centrifugal pump water mixing heating apparatus, one-time investment is high, and operating cost is high.
Pipeline companion thermal process difficulty of construction is large, and one-time investment is high, and operating cost is high.
Utility model content
The purpose of this utility model is that to overcome low, the moisture low oil-water well back pressure of liquid measure higher, yields poorly, runs difficulty especially in the winter time, the two high technical problem of operation expense.
For this reason, the technical solution of the utility model is to provide a kind of jet injector oil production well group and falls back pressure integrating device, comprise jet pump, current stabilization injection well downhole flow regulator, described jet pump has jet pump high pressure intake, jet pump intake and jet pump liquid outlet, described current stabilization injection well downhole flow regulator has current stabilization injection well downhole flow regulator water inlet, current stabilization injection well downhole flow regulator delivery port, described current stabilization injection well downhole flow regulator water inlet is communicated with injection pipe network, current stabilization injection well downhole flow regulator delivery port is communicated with jet pump high pressure intake, described jet pump intake is communicated with producing well Produced Liquid pipeline, and jet pump liquid outlet is communicated with wellhead flowline.
Gate valve one is provided with between above-mentioned injection pipe network and current stabilization injection well downhole flow regulator, gate valve two is provided with between described current stabilization injection well downhole flow regulator and jet pump, gate valve three is provided with between described jet pump and producing well Produced Liquid pipeline, and between jet pump and wellhead flowline, be provided with gate valve four, be provided with gate valve five between described producing well Produced Liquid pipeline and wellhead flowline.
Above-mentioned gate valve one, gate valve two, gate valve three, gate valve four and gate valve five are hand sluice valve, and the maximum pressure that bears of described gate valve one and gate valve two is 16MPa, and the maximum pressure that bears of gate valve three, gate valve four and gate valve five is 4MPa.
A safety valve is provided with, the contaminated-oil basin held and be communicated on well site of releasing of safety valve between above-mentioned gate valve four and wellhead flowline.
Liquid flowing line between above-mentioned injection pipe network and gate valve one is provided with pressure meter one, the liquid flowing line between described current stabilization injection well downhole flow regulator and gate valve two is provided with pressure meter two, the liquid flowing line between described gate valve two and jet pump is provided with pressure meter three.
Liquid flowing line between above-mentioned gate valve four and safety valve is provided with pressure meter four.
Above-mentioned pressure meter one, pressure meter two and be provided with valve between pressure meter three and liquid flowing line.
The range of above-mentioned pressure meter one and pressure meter two is 0 ~ 16MPa, and the range of pressure meter three is 0 ~ 10MPa.
Valve is provided with between above-mentioned pressure meter four and liquid flowing line.
The range of above-mentioned pressure meter four is 0 ~ 10MPa.
The beneficial effects of the utility model:
(1) the integrated skid-mounted device of back pressure integrating device falls in this jet injector oil production well group that the utility model provides, floor space is little, installs simple, and device is lightly convenient to mobile, in use scene can according to the movable and skid-mounted equipment of well group production fluid situation, utilization rate is high, and utilize the injection pipe network running gear of well site or periphery, the construction period is short, energy consumption is low, only increasing a little for water filling cost, greatly reduce cost, is that back pressure device falls in a well head that is efficient, low consumption.
(2) low to liquid measure by jet pump, the moisture low oil recovery well group of back pressure integrating device collection falls in this jet injector oil production well group that the utility model provides to be pressurizeed, mixes liquid, back pressure can be reduced to below 0.1MPa, even there is negative pressure, back pressure successful falls, thus raising oil well output, and by current stabilization injection well downhole flow regulator, high-pressure water is allocated, allotment is simple, stability of flow, assurance device even running.
(3) this jet injector oil production well group that the utility model provides falls back pressure integrating device by arranging safety valve, adjust oil pipeline pressure, the safe operation of ensuring equipment, and facilitate during the nonproductive states such as device maintenance, accident stoppage in transit use by arranging hand sluice valve, avoid major accident.
(4) back pressure integrating device monitors out liquid in pipeline intuitively pressure by arranging pressure meter falls in this jet injector oil production well group that the utility model provides, and is convenient to check, and on pressure meter, all arranges valve to facilitate maintenance.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the simple process figure that back pressure integrating device falls in the utility model jet injector oil production well group.
Description of reference numerals: 1 jet pump; 1a, jet pump high pressure intake; 1b, jet pump intake; 1c, jet pump liquid outlet; 2, current stabilization injection well downhole flow regulator; 2a, current stabilization injection well downhole flow regulator water inlet; 2b, current stabilization injection well downhole flow regulator delivery port; 3, gate valve one; 4, gate valve two; 5, gate valve three; 6, gate valve four; 7, safety valve; 8, pressure meter one; 9, pressure meter two; 10, pressure meter three; 11, pressure meter four; 12, gate valve five; 13, injection pipe network; 14, producing well Produced Liquid pipeline; 15, wellhead flowline; 16, contaminated-oil basin.
Detailed description of the invention
Embodiment 1:
Low in order to overcome liquid measure, moisture low oil-water well wellhead back pressure is higher, yield poorly, especially in the winter time difficulty is run, the two high technical problem of operation expense, present embodiments provide a kind of jet injector oil production well group as shown in Figure 1 and fall back pressure integrating device, comprise jet pump 1, current stabilization injection well downhole flow regulator 2, described jet pump 1 has jet pump high pressure intake 1a, jet pump intake 1b and jet pump liquid outlet 1c, described current stabilization injection well downhole flow regulator 2 has current stabilization injection well downhole flow regulator water inlet 2a, current stabilization injection well downhole flow regulator delivery port 2b, described current stabilization injection well downhole flow regulator water inlet 2a is communicated with injection pipe network 13, current stabilization injection well downhole flow regulator delivery port 2b is communicated with jet pump high pressure intake 1a, described jet pump intake 1b is communicated with producing well Produced Liquid pipeline 14, jet pump liquid outlet 1c is communicated with wellhead flowline 15.
The operating principle that back pressure integrating device falls in this jet injector oil production well group that the utility model provides is as follows:
High-pressure water is provided to device by injection pipe network 13, control through current stabilization injection well downhole flow regulator 2, obtain the pressure water source required for jet pump high pressure intake 1a, as long as it is high that the source pressure of jet pump high pressure intake 1a collects defeated pressure than wellhead flowline 15, jet pump intake 1b can produce suction effect, improving source pressure even can make jet pump intake 1b produce negative pressure, jet pump intake 1b is connected with oil well produced liquid pipeline 14, oil well produced liquid is by jet pump intake 1b inspiration, flow out from jet pump liquid outlet 1c, enter wellhead flowline 15.
After jet pump 1 normally runs, because it has mixed liquid function, after jet pump 1, the viscosity of mixed liquid can decline to a great extent, wellhead flowline 15 operating pressure can significantly reduce, and at this moment can turn down source pressure, while ensureing normal oil transportation, source pressure is unlikely too high, the miserable water yield is unlikely excessive, to reduce running cost, finds the most rational running status.
The integrated skid-mounted device of this integrating device, floor space is little, installs simple, and device is lightly convenient to mobile, and in use scene can according to the movable and skid-mounted equipment of well group production fluid situation, and utilization rate is high.Utilize the injection pipe network running gear of well site or periphery, the construction period is short, and energy consumption is low, only increases a little for water filling cost, greatly reduces cost, is that back pressure device falls in a well head that is efficient, low consumption.
This utility model is pressurizeed by low, the moisture low oil recovery well group of jet pump 1 pair of liquid measure, mixed liquid, back pressure can be reduced to below 0.1MPa, even there is negative pressure, back pressure successful falls, thus raising oil well output, and allocated by current stabilization injection well downhole flow regulator 2 pairs of high-pressure waters, allotment is simple, stability of flow, assurance device even running.
Embodiment 2:
On the basis of embodiment 1, present embodiments provide a kind of jet injector oil production well group as shown in Figure 1 and fall back pressure integrating device, as preferred embodiment, gate valve 1 is provided with between described injection pipe network 13 and current stabilization injection well downhole flow regulator 2, gate valve 24 is provided with between described current stabilization injection well downhole flow regulator 2 and jet pump 1, gate valve 35 is provided with between described jet pump 1 and producing well Produced Liquid pipeline 14, and be provided with gate valve 46 between jet pump 1 and wellhead flowline 15, be provided with gate valve 5 12 between described producing well Produced Liquid pipeline 14 and wellhead flowline 15.Further, described gate valve 1, gate valve 24, gate valve 35, gate valve 46 and gate valve 5 12 are hand sluice valve, the maximum pressure that bears of described gate valve 1 and gate valve 24 is 16MPa, and the maximum pressure that bears of gate valve 35, gate valve 46 and gate valve 5 12 is 4MPa.
These gate valves all use for during the nonproductive states such as device maintenance, accident stoppage in transit, hand sluice valve handled easily, according to circumstances regulate the flow of liquid in pipeline, because injection pipe network source pressure is higher, gate valve 1 and gate valve 24 use high pressure corrosion resistant wedge-type to float gate valve, the maximum pressure that bears is 16MPa, ensures safety in production of recovering the oil.
Further, between described gate valve 46 and wellhead flowline 15, be provided with a safety valve 7, the contaminated-oil basin 16 held and be communicated on well site of releasing of safety valve 7.When pressure between jet pump 1 and wellhead flowline 15 is greater than 3.8MPa, safety valve 7 automatically regulates the release contaminated-oil basin 16 holding be discharged to well site on of the mixture of the water filling in pipeline and oil well produced liquid through safety valve 7, reduce line pressure, ensure oil producing operation safe operation.
Embodiment 3:
On the basis of embodiment 1, present embodiments provide a kind of jet injector oil production well group as shown in Figure 1 and fall back pressure integrating device, preferably, liquid flowing line between described injection pipe network 13 and gate valve 1 is provided with pressure meter 1, liquid flowing line between described current stabilization injection well downhole flow regulator 2 and gate valve 24 is provided with pressure meter 29, liquid flowing line between described gate valve 24 and jet pump 1 is provided with pressure meter 3 10, the liquid flowing line between described gate valve 46 and safety valve 7 is provided with pressure meter 4 11.
Pressure meter 1 can detect pressure in current stabilization injection well downhole flow regulator water inlet 2a place pipeline, according to this pressure, control the aperture of gate valve 1, regulate the flow of water filling, water filling is through current stabilization injection well downhole flow regulator 2, pressure meter 29 can measure pressure in current stabilization injection well downhole flow regulator delivery port 2b place pipeline, pressure meter 3 10 can measure pressure in jet pump high pressure intake 1a place pipeline, according to pressure meter 29 and pressure meter 3 10, control the aperture of gate valve 24, pressure meter 4 11 can detect pressure in jet pump liquid outlet 1c place pipeline, when the numerical value of pressure meter 4 11 is greater than 3.8MPa, safety valve 7 automatically regulates the release contaminated-oil basin 16 holding be discharged to well site on of the mixture of the water filling in pipeline and oil well produced liquid through safety valve 7, thus reduction line pressure.Can be monitored out the pressure of liquid in respective lines intuitively by pressure meter, be convenient to check, the numerical value detected according to pressure meter regulates the gate valve at corresponding pipeline place, thus regulates the fluid flow in pipeline.
Further, described pressure meter 1, pressure meter 29 and be provided with valve between pressure meter 3 10 and liquid flowing line, the range of pressure meter 1 and pressure meter 29 is 0 ~ 16MPa, the range of pressure meter 3 10 is 0 ~ 10MPa, be provided with valve between described pressure meter 4 11 and liquid flowing line, the range of pressure meter 4 11 is 0 ~ 10MPa.
Pressure meter all arranges convenience valve maintenance, and the utility model is according to the difference of pressure on pipeline, pressure meter 1 set by line pressure larger part and the range of pressure meter 29 are 0 ~ 16MPa, and the pressure meter 3 10 set by line pressure smaller part and the range of pressure meter 4 11 are 0 ~ 10MPa.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.
Claims (10)
1. back pressure integrating device falls in a jet injector oil production well group, it is characterized in that: comprise jet pump (1), current stabilization injection well downhole flow regulator (2), described jet pump (1) has jet pump high pressure intake (1a), jet pump intake (1b) and jet pump liquid outlet (1c), described current stabilization injection well downhole flow regulator (2) has current stabilization injection well downhole flow regulator water inlet (2a), current stabilization injection well downhole flow regulator delivery port (2b), described current stabilization injection well downhole flow regulator water inlet (2a) is communicated with injection pipe network (13), current stabilization injection well downhole flow regulator delivery port (2b) is communicated with jet pump high pressure intake (1a), described jet pump intake (1b) is communicated with producing well Produced Liquid pipeline (14), jet pump liquid outlet (1c) is communicated with wellhead flowline (15).
2. back pressure integrating device falls in jet injector oil production well group as claimed in claim 1, it is characterized in that: between described injection pipe network (13) and current stabilization injection well downhole flow regulator (2), be provided with gate valve one (3), gate valve two (4) is provided with between described current stabilization injection well downhole flow regulator (2) and jet pump (1), gate valve three (5) is provided with between described jet pump (1) and producing well Produced Liquid pipeline (14), and be provided with gate valve four (6) between jet pump (1) and wellhead flowline (15), gate valve five (12) is provided with between described producing well Produced Liquid pipeline (14) and wellhead flowline (15).
3. back pressure integrating device falls in jet injector oil production well group as claimed in claim 2, it is characterized in that: described gate valve one (3), gate valve two (4), gate valve three (5), gate valve four (6) and gate valve five (12) are hand sluice valve, the maximum pressure that bears of described gate valve one (3) and gate valve two (4) is 16MPa, and the maximum pressure that bears of gate valve three (5), gate valve four (6) and gate valve five (12) is 4MPa.
4. back pressure integrating device falls in jet injector oil production well group as claimed in claim 2, it is characterized in that: between described gate valve four (6) and wellhead flowline (15), be provided with a safety valve (7), the contaminated-oil basin (16) held and be communicated on well site of releasing of safety valve (7).
5. back pressure integrating device falls in jet injector oil production well group as claimed in claim 2, it is characterized in that: the liquid flowing line between described injection pipe network (13) and gate valve one (3) is provided with pressure meter one (8), liquid flowing line between described current stabilization injection well downhole flow regulator (2) and gate valve two (4) is provided with pressure meter two (9), the liquid flowing line between described gate valve two (4) and jet pump (1) is provided with pressure meter three (10).
6. back pressure integrating device falls in jet injector oil production well group as claimed in claim 4, it is characterized in that: the liquid flowing line between described gate valve four (6) and safety valve (7) is provided with pressure meter four (11).
7. back pressure integrating device falls in jet injector oil production well group as claimed in claim 5, it is characterized in that: described pressure meter one (8), pressure meter two (9) and be provided with valve between pressure meter three (10) and liquid flowing line.
8. back pressure integrating device falls in jet injector oil production well group as claimed in claim 5, and it is characterized in that: the range of described pressure meter one (8) and pressure meter two (9) is 0 ~ 16MPa, the range of pressure meter three (10) is 0 ~ 10MPa.
9. back pressure integrating device falls in jet injector oil production well group as claimed in claim 6, it is characterized in that: be provided with valve between described pressure meter four (11) and liquid flowing line.
10. back pressure integrating device falls in jet injector oil production well group as claimed in claim 6, it is characterized in that: the range of described pressure meter four (11) is 0 ~ 10MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520851247.4U CN205154118U (en) | 2015-10-30 | 2015-10-30 | Back pressure integrated device falls in jet pump oil recovery well group |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520851247.4U CN205154118U (en) | 2015-10-30 | 2015-10-30 | Back pressure integrated device falls in jet pump oil recovery well group |
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| Publication Number | Publication Date |
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| CN205154118U true CN205154118U (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520851247.4U Active CN205154118U (en) | 2015-10-30 | 2015-10-30 | Back pressure integrated device falls in jet pump oil recovery well group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114575797A (en) * | 2022-02-15 | 2022-06-03 | 中海油能源发展股份有限公司 | Automatic pressure regulating system of wellhead jet pump and using method thereof |
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2015
- 2015-10-30 CN CN201520851247.4U patent/CN205154118U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114575797A (en) * | 2022-02-15 | 2022-06-03 | 中海油能源发展股份有限公司 | Automatic pressure regulating system of wellhead jet pump and using method thereof |
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