CN204646203U - A kind of single pump injected system of applicable two-fluid process system - Google Patents
A kind of single pump injected system of applicable two-fluid process system Download PDFInfo
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- CN204646203U CN204646203U CN201520370620.4U CN201520370620U CN204646203U CN 204646203 U CN204646203 U CN 204646203U CN 201520370620 U CN201520370620 U CN 201520370620U CN 204646203 U CN204646203 U CN 204646203U
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Abstract
A kind of single pump injected system of applicable two-fluid process system, relate to petroleum industry technical field of oil production engineering, particularly relate to crude oil increasing yield and injection field, comprise waterwheel, pump truck, first working liquid tank, sealing pot, second working liquid tank, replace flow container, the feed end of the first working liquid tank connects the first truck, the feed end of the second working liquid tank connects the second truck, the water inlet end of the first working liquid tank, the water inlet end of sealing pot, the water inlet end of the second working liquid tank, the water inlet end replacing flow container is all connected with the water side of waterwheel, the discharge end of the first working liquid tank, the discharge end of sealing pot, the discharge end of the second working liquid tank, be connected with the feed end of pump truck after replacing the discharge end parallel connection of flow container, the discharge end of pump truck is connected with wellhead assembly.The utility model only can meet the needs of multiple injection working solution with 1 pump truck, cost significantly reduces.
Description
Technical field
The utility model relates to petroleum industry technical field of oil production engineering, particularly relates to crude oil increasing yield and injection field.
Background technology
At present, the quantity that new exploration acreage finds is fewer and feweri, development difficulty is more and more higher, and developed field also enters the High water cut stage successively, and oil-water well needs to adjust, block up.For the oil well of low energy low yield, oil-water well connection situation difference, usually take, from measures such as angry technology, chemical huffpuff in layer, to increase stratum energy, remove formation blockage, improve well yield.For high-water-cut oil-producing well, adopt water blockoff measure, block water breakthrough passage, reduce aquifer yield.Profile control, water blockoff, stratum break in glue, layer usually can adopt two-fluid process system in the technology such as anger, as combination process such as water glass and calcium chloride, natrium nitrosum and ammonium chloride, chlorine dioxide and acid.The key of two-fluid process system construction avoids two kinds of working solutions reacted in ground and pit shaft mixing.For this reason, insulating liquid is adopted to isolate two kinds of working solutions.The liquid that usual insulating liquid is clear water or does not react with this two kinds of working solutions.Along with the outside passing of working solution, insulating liquid is more and more thinner, and when insulating liquid is as thin as to a certain degree, it will not play buffer action, and two kinds of working solutions meet, and produces the material expected.Such as: from angry technology in layer, be inject carbonate and hydrochloric acid respectively to stratum, centre clear water separates, make the predetermined depths reaction on stratum of salt acid plus carbonate, produce great amount of carbon dioxide gas and release amount of heat.In order to make two kinds of working solutions fully mix in stratum, usually adopt multistage plug injection mode.
The deficiency of the following aspects is there is in traditional two-fluid process construction when applying at the scene:
1, construction cost is high: need 3 pump trucks to inject two kinds of working solutions and insulating liquid respectively, cause cost to increase.
2, labour intensity is large: due to multistage plug injection mode, and the frequent mobile pump vehicle water-line of personnel, causes personnel labor intensity to increase.Meanwhile, also can increase the risk that two kinds of working solutions mix in ground, pump truck, safety reduces.
3, dangerous environmental protection: single pump or two pumps construction, frequently moves water-line between multiple tank, unavoidably more or less causes two kinds of working solution mixing, causes environment pollution and security incident.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of single pump injected system of applicable two-fluid process system, can reduce construction cost.
The purpose of this utility model is achieved in that a kind of single pump injected system of applicable two-fluid process system, comprise waterwheel, pump truck, first working liquid tank, sealing pot, second working liquid tank, replace flow container, the feed end of the first working liquid tank connects the first truck, the feed end of the second working liquid tank connects the second truck, the water inlet end of the first working liquid tank, the water inlet end of sealing pot, the water inlet end of the second working liquid tank, the water inlet end replacing flow container is all connected with the water side of waterwheel, the discharge end of the first working liquid tank, the discharge end of sealing pot, the discharge end of the second working liquid tank, be connected with the feed end of pump truck after replacing the discharge end parallel connection of flow container, the discharge end of pump truck is connected with wellhead assembly.
The utility model is by above design, and during construction, (1) opens the first working liquid tank, and close sealing pot and the second working liquid tank, the first working solution is injected in well by the first working liquid tank by pump truck, after reaching design flow, closes the first working liquid tank; (2) open sealing pot, inject insulating liquid with pump truck, after reaching design flow, close sealing pot; (3) open the second working liquid tank, inject the second working solution with pump truck, after reaching design flow, close the second working liquid tank; (4) open sealing pot, inject insulating liquid with pump truck, after reaching design flow, close sealing pot; (5) (1), (2), (3), (4) program is repeated, until reach the requirement of Construction Scheme; (6) inject displacement fluid, all slugs are replaced in stratum, prevents from reacting in pit shaft.
Compared with conventional art, traditional two-fluid process injection technology, when well site is larger, need 3 pump trucks to inject different working solutions and insulating liquid respectively, cost is higher.The utility model only can meet the needs of multiple injection working solution with 1 pump truck, cost significantly reduces.
As improvement of the present utility model, all connect discharging butterfly valve at the discharge end of the discharge end of the discharge end of the first working liquid tank, sealing pot, the second working liquid tank, the discharge end that replaces flow container.Not by the restriction of well site area during the utility model construction, adopt butterfly valve to control the injection order of working solution, personnel labor intensity significantly reduces, and operating efficiency improves.Stopped the risk that two kinds of working solutions react at earth surface simultaneously.
As further improvement of the utility model, all connect water inlet butterfly valve at the water inlet end of the water inlet end of the water inlet end of the first working liquid tank, sealing pot, the second working liquid tank, the water inlet end that replaces flow container.
As further improvement of the utility model, the discharge end of pump truck connects the feed end of ball-and-seat, and the discharge end of ball-and-seat is connected with wellhead assembly.Owing to having installed ball-and-seat, when there is the situation that run, drip, leak or pump truck break down in work progress, even if forget closed-in well port strobe and directly dismantle pipeline, working fluid also can not return and be discharged to well site, can either security incident be avoided like this, also can prevent the pollution of the environment.
Accompanying drawing explanation
Fig. 1 is the first structural representation of the present utility model.
Fig. 2 is the second structural representation of the present utility model.
Detailed description of the invention
Embodiment 1
As shown in Figure 1, be single pump injected system of the first applicable two-fluid process system, comprise waterwheel 7, pump truck 1, first working liquid tank 5, sealing pot 9, second working liquid tank 10, replace flow container 12.The feed end that the feed end of the first working liquid tank 5 connects the first truck 4, second working liquid tank 10 connects the second truck 11.The water side of waterwheel 7 is connected in parallel on again after the water inlet end of the water inlet end of the water inlet end of the first working liquid tank 5, sealing pot 9, the second working liquid tank 10, the water inlet end that replaces flow container 12 all connect water inlet butterfly valve 8.The feed end of pump truck 1 is connected in parallel on again after the discharge end of the discharge end of the discharge end of the first working liquid tank 5, sealing pot 9, the second working liquid tank 10, the discharge end that replaces flow container 12 all connect discharging butterfly valve 6.The discharge end of pump truck 1 connects the feed end of ball-and-seat 2, and the discharge end of ball-and-seat 2 is connected with wellhead assembly 3.
Construction sequence is: (1) opens the discharging butterfly valve of the first working liquid tank, close the discharging butterfly valve of the second working liquid tank and sealing pot, first working solution is injected in well after flowing to one way valve, well head by the first working liquid tank by pump truck, after reaching design flow, close the discharging butterfly valve of the first working liquid tank; (2) open the discharging butterfly valve of sealing pot, inject insulating liquid with pump truck, after reaching design flow, close the discharging butterfly valve of sealing pot; (3) open the discharging butterfly valve of the second working liquid tank, inject the second working solution with pump truck, after reaching design flow, close the discharging butterfly valve of the second working liquid tank; (4) open the discharging butterfly valve of sealing pot, inject insulating liquid with pump truck, after reaching design flow, close the discharging butterfly valve of sealing pot; (5) (1), (2), (3), (4) program is repeated, until reach the requirement of Construction Scheme; (6) inject displacement fluid, all slugs are replaced in stratum, prevents from reacting in pit shaft.
Embodiment 2
As shown in Figure 2, waterwheel has two to be the first waterwheel 7 and the second waterwheel 13, is connected in parallel on the water side of the first waterwheel 7 at the water inlet end of the first working liquid tank 5, the water inlet end of sealing pot 9, the water inlet end of the second working liquid tank 10 after all connecting water inlet butterfly valve 8 again.The water inlet end replacing flow container 12 is directly connected with the water side of the second waterwheel 13.All the other structures are with embodiment 1.
Claims (4)
1. single pump injected system of an applicable two-fluid process system, it is characterized in that: comprise waterwheel, pump truck, first working liquid tank, sealing pot, second working liquid tank, replace flow container, the feed end of the first working liquid tank connects the first truck, the feed end of the second working liquid tank connects the second truck, the water inlet end of the first working liquid tank, the water inlet end of sealing pot, the water inlet end of the second working liquid tank, the water inlet end replacing flow container is all connected with the water side of waterwheel, the discharge end of the first working liquid tank, the discharge end of sealing pot, the discharge end of the second working liquid tank, be connected with the feed end of pump truck after replacing the discharge end parallel connection of flow container, the discharge end of pump truck is connected with wellhead assembly.
2. be applicable to single pump injected system of two-fluid process system according to claim 1, it is characterized in that: all connect discharging butterfly valve at the discharge end of the discharge end of the discharge end of the first working liquid tank, sealing pot, the second working liquid tank, the discharge end that replaces flow container.
3. be applicable to single pump injected system of two-fluid process system according to claim 1, it is characterized in that: all connect water inlet butterfly valve at the water inlet end of the water inlet end of the water inlet end of the first working liquid tank, sealing pot, the second working liquid tank, the water inlet end that replaces flow container.
4. be applicable to single pump injected system of two-fluid process system according to claim 1, it is characterized in that: the discharge end of described pump truck connects the feed end of ball-and-seat, and the discharge end of ball-and-seat is connected with wellhead assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520370620.4U CN204646203U (en) | 2015-06-02 | 2015-06-02 | A kind of single pump injected system of applicable two-fluid process system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520370620.4U CN204646203U (en) | 2015-06-02 | 2015-06-02 | A kind of single pump injected system of applicable two-fluid process system |
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| CN204646203U true CN204646203U (en) | 2015-09-16 |
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| CN201520370620.4U Active CN204646203U (en) | 2015-06-02 | 2015-06-02 | A kind of single pump injected system of applicable two-fluid process system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107432A (en) * | 2015-09-21 | 2015-12-02 | 云南大红山管道有限公司 | Sodium sulfite adding equipment |
| CN109538178A (en) * | 2019-01-15 | 2019-03-29 | 西南石油大学 | Spontaneous CO in a kind of layer2Inflating medium system preferred embodiment |
-
2015
- 2015-06-02 CN CN201520370620.4U patent/CN204646203U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107432A (en) * | 2015-09-21 | 2015-12-02 | 云南大红山管道有限公司 | Sodium sulfite adding equipment |
| CN109538178A (en) * | 2019-01-15 | 2019-03-29 | 西南石油大学 | Spontaneous CO in a kind of layer2Inflating medium system preferred embodiment |
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