CN201363260Y - Phase-change energy-saving environmental-protection oil pumping unit by utilizing heat energy to convert carbon dioxide - Google Patents
Phase-change energy-saving environmental-protection oil pumping unit by utilizing heat energy to convert carbon dioxide Download PDFInfo
- Publication number
- CN201363260Y CN201363260Y CNU2009201048036U CN200920104803U CN201363260Y CN 201363260 Y CN201363260 Y CN 201363260Y CN U2009201048036 U CNU2009201048036 U CN U2009201048036U CN 200920104803 U CN200920104803 U CN 200920104803U CN 201363260 Y CN201363260 Y CN 201363260Y
- Authority
- CN
- China
- Prior art keywords
- oil
- carbon dioxide
- cylinder
- pumping unit
- communicated
- 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 - Lifetime
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 41
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 41
- 238000005086 pumping Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000003129 oil well Substances 0.000 claims abstract description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- 230000006698 induction Effects 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010626 work up procedure Methods 0.000 description 2
- 241001023788 Cyttus traversi Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Electromagnetic Pumps, Or The Like (AREA)
Abstract
The utility model relates to a phase-change energy-saving environmental-protection oil pumping unit by utilizing heat energy to convert carbon dioxide; the oil pumping unit comprises: an oil derrick is fixed above an oil well pump at the well mouth and is aligned with the oil pump, a center pole of an air cylinder or an oil cylinder and the oil well pump are connected on the oil derrick by a connecting device; the oil pumping unit is characterized in that: a power cylinder is arranged between the oil derrick and the air cylinder or the oil cylinder, the power cylinder is connected below the air cylinder or the oil cylinder in a sealing way, a plunger piston is arranged on the center pole in the power cylinder for matching the power cylinder in a sealing way, an upper dead point for sensing a stoke switch and a lower dead point for sensing the stoke switch are respectively arranged at the upper and lower parts of the power cylinder, a heat-insulating sleeve is arranged at the outer layer of a carbon dioxide tank, the heat-insulating sleeve is respectively communicated with a hot water inlet pipeline, a hot water return pipeline, a cold water inlet pipeline and a cold water return pipeline by valves. The oil pumping unit has the advantages of energy saving, small investment scale, small occupying area, safety and environmental protection, simple installation, simple maintenance, labor and effort saving and no pollution to the environment.
Description
Technical field
The utility model relates to a kind of employing and utilizes the oil-field flooding waste heat to make the work done of thermal medium expanded by heating substitute the energy-conserving and environment-protective pumping unit of electricity and other energy, specifically is a kind of thermal power transfer carbon dioxide phase-transformation type energy-conserving and environment-protective pumping unit that utilizes.
Background technique
Along with China's oil field scientific and technological progress, oil recovery emerges in large numbers tertiary oil recovery technology, Daqing oil field especially, and tertiary oil recovery technology is used more universal, each multi-purpose station is equipped with several up to a hundred cubes water injection tank, pumping unit from the stratum in the extraction fluid water content be 70-90%, temperature is 40-60 ℃, after profit gas three-phase separation, the water of separating is after simple process, after being cooled to more than 20 degree, refill the down-hole by water injection pump, resource fails to be utilized well.Oil production equipment in the oil field has conventional horse head formula pumping unit, also comprises in recent years successful ground driving screw pump, electric screw submerged pump and the linear dynamo oil recovery equipment of research just, along with technological progress, oil production equipment is brought in constant renewal in and is regenerated, but they have a common feature: the driven by motor pump operation, average motor power is about 37KW, though the employing converter technique that has, it is still very big to consume energy.
The model utility content
The utility model is in order to overcome above-mentioned deficiency, a kind of thermal power transfer carbon dioxide phase-transformation type energy-conserving and environment-protective pumping unit that utilizes is provided, it adopts and utilizes the oil-field flooding waste heat that the carbon dioxide expanded by heating is done work, need not motor and power consumption, overcome the many shortcomings of traditional pumping unit, have scale of investment little, take up an area of little, safety and environmental protection, advantages such as installation is simple and easy, amount of maintenance is little, save labor, environmentally safe.
The technical solution of the utility model is achieved in that a kind of thermal power transfer carbon dioxide phase-transformation type energy-conserving and environment-protective pumping unit that utilizes, it comprises: derrick be fixed on well head oil well pump polished rod top and with oil well pump polished rod centering, the center-pole and the oil well pump polished rod of cylinder or oil cylinder are connected on the derrick by coupling arrangement, between described derrick and cylinder or the oil cylinder ram is set, following airtight the joining of ram and cylinder or oil cylinder, on the center-pole in ram plunger is set and ram is sealed and matched, on ram, the bottom is provided with the lower dead center of top dead center with the induction position limit switch of induction position limit switch respectively, the described steam outlet pipe that is communicated with carbon dioxide tank at the ram of the top dead center bottom of responding to position limit switch, the carbon dioxide tank skin is provided with lagging, and lagging is communicated with hot water by valve respectively and advances, water return pipeline and cold water advance, water return pipeline.
Described derrick top is provided with nitrogen back pressure jar, and the steam outlet pipe of nitrogen back pressure jar is communicated with the bottom of cylinder or oil cylinder by valve.
Described hot water inlet pipe road, hot water backwater's pipeline and cold water inlet road, cold-water return pipeline are communicated with solenoid valve respectively, and described solenoid valve is communicated with control cabinet respectively with the induction position limit switch.
The suction tude of described carbon dioxide tank is communicated with source of the gas by valve.
Be provided with between described carbon dioxide tank and the lagging and fill the heat exchange filler.
Its employing of the utility model utilizes the oil-field flooding waste heat to make carbon dioxide heating cooling carry out work done, carbon dioxide expanded by heating, cooled compressed, utilize carbon dioxide in the following gas-liquid phase behavior of critical temperature, promote cylinder and work up and down, drive oil well pump and carry out work.It has overcome the many shortcomings of traditional pumping unit, has energy saving, and scale of investment is little, occupation of land is little, safety and environmental protection, installation is simple and easy, amount of maintenance is little, save labor, environment is not had advantages such as any pollution.
Description of drawings
Fig. 1 is the utility model overall structure schematic representation;
Fig. 2 is a carbon dioxide tank structural profile schematic representation among Fig. 1.
Has mode of execution
Embodiment
A kind of thermal power transfer carbon dioxide phase-transformation type energy-conserving and environment-protective pumping unit that utilizes, as shown in Figure 1, 2, it comprises: electricity is grown the cylinder that is provided with on valve, derrick 7, the derrick or oil cylinder 1, carbon dioxide tank 4, thermal insulation apparatus 4-3, induction position limit switch, center-pole 3, center-pole 3 link to each other with the oil well pump polished rod coupling arrangement 8, nitrogen back pressure jar 6, control cabinet 10 compositions.Described derrick 7 be fixed on well head oil well pump 9 tops and with oil well pump 9 centerings, the center-pole 3 of cylinder or oil cylinder 1 is connected on the derrick 7 by coupling arrangement 8 with oil well pump polished rod 9, between described derrick 7 and cylinder or the oil cylinder 1 ram 11 is set, following airtight the joining of ram 11 and cylinder or oil cylinder 1, plunger 1101 is set on the center-pole 3 in ram 11 to be sealed and matched with ram 11, on ram 11, the bottom is provided with the top dead center 2-1 of induction position limit switch and the lower dead center 2-2 of induction position limit switch respectively, the described steam outlet pipe 4-6 that is communicated with the high pressure of thermal medium jars 4 at the ram 11 of the top dead center 2-1 bottom of responding to position limit switch, thermal medium jar 4 skins are provided with lagging 4-3, and lagging 4-3 is communicated with hot water by valve 4-2 respectively and advances, water return pipeline and cold water advance, water return pipeline.
Described derrick 7 tops are provided with nitrogen back pressure jar 6, and the steam outlet pipe of nitrogen back pressure jar 6 is communicated with the bottom of cylinder or oil cylinder 1 by valve.
Described hot water inlet pipe road is communicated with solenoid valve 5, hot water backwater's pipeline is communicated with solenoid valve 5-1, the cold water inlet road is communicated with solenoid valve 5-2, the cold-water return pipeline is communicated with solenoid valve 5-3, described solenoid valve 5, solenoid valve 5-1, solenoid valve 5-2, solenoid valve 5-3 are communicated with control cabinet 10 respectively with the induction position limit switch.Solenoid valve 5, solenoid valve 5-1, solenoid valve 5-2, solenoid valve 5-3 can adopt a multi-channel electromagnetic valve.
The suction tude of described carbon dioxide tank 4 is communicated with source of the gas by valve.
Working procedure
Open the hot water inlet pipe road and be communicated with solenoid valve 5, to the logical hot water of lagging 4-3, it is up that carbon dioxide gas-liquid expansion in the carbon dioxide tank 4 promotes plunger 1101, center-pole 3 drives oil well pump 9 up oil pumping, meet the top dead center 2-1 of induction position limit switch 2, under control cabinet 10 controls, close hot water pipeline, open cold water inlet road connection solenoid valve 5-2, the cold water inlet road is opened carbon dioxide tank 4 coolings, carbon dioxide cooling in the carbon dioxide tank 4 is shunk, is liquefied in center-pole 3 gravity lower compression, drives oil well pump 9 descending oil-feeds; As the lower dead center 2-2 that runs into the induction position limit switch, under control cabinet 10 controls, to close the cold water inlet road and be communicated with solenoid valve 5-2, the cold water inlet road is closed, and opens the hot water inlet pipe road again and is communicated with solenoid valve 5, goes round and begins again cycle operation.
For guaranteeing the physical property of carbon dioxide under critical temperature, be equipped with a nitrogen back pressure jar 6, make full use of the descending characteristic of making negative work of oil well pump, the back pressure jar is carried out accumulation of energy; The up positive work of doing of oil well pump, nitrogen back pressure jar carries out work-assisted.
For guaranteeing carbon dioxide tank 4 and the abundant heat exchange of cold and heat source, fill the heat exchange filler at thermal insulation apparatus 4-3 and carbon dioxide tank 4.
For ease of replenishing of the medium in the observation jar interior carbon dioxide tank such as pressure carbon dioxide variation and carbon dioxide, in tank deck point valve 401.
Experimental results show that: the utility model its adopt utilize the oil-field flooding waste heat make the carbon dioxide expanded by heating, Cooled compressed utilizes carbon dioxide in the following liquid phase characteristic of critical-temperature, and promote cylinder and work up and down, Drive oil well pump and carry out work. It has overcome the many shortcomings of traditional oil pumper, has energy savings, investment Small scale, take up an area that little, safety and environmental protection, installation are simple and easy, a little repair, save labor, environment had appoint The advantages such as what pollution.
Claims (5)
1, a kind of thermal power transfer carbon dioxide phase-transformation type energy-conserving and environment-protective pumping unit that utilizes, it comprises: derrick (7) be fixed on well head oil well pump polished rod (9) top and with oil well pump polished rod (9) centering, the center-pole (3) of cylinder or oil cylinder (1) is connected on the derrick (7) by coupling arrangement (8) with oil well pump polished rod (9), it is characterized in that: between described derrick (7) and cylinder or the oil cylinder (1) ram (11) is set, following airtight the joining of ram (11) and cylinder or oil cylinder (1), plunger (1101) is set on the center-pole (3) in ram (11) to be sealed and matched with ram (11), on ram (11), the bottom is provided with the lower dead center (2-2) of top dead center (2-1) with the induction position limit switch of induction position limit switch respectively, the described steam outlet pipe (4-6) that is communicated with carbon dioxide tank (4) at the ram (11) of top dead center (2-1) bottom of responding to position limit switch, carbon dioxide tank (4) skin is provided with lagging (4-3), and lagging (4-3) is communicated with hot water by valve (4-2) respectively and advances, water return pipeline and cold water advance, water return pipeline.
2, the thermal power transfer carbon dioxide phase-transformation type energy-conserving and environment-protective pumping unit that utilizes as claimed in claim 1, it is characterized in that: described derrick (7) top is provided with nitrogen back pressure jar (6), and the steam outlet pipe of nitrogen back pressure jar (6) is communicated with the bottom of cylinder or oil cylinder (1) by valve.
3, the thermal power transfer carbon dioxide phase-transformation type energy-conserving and environment-protective pumping unit that utilizes as claimed in claim 1, it is characterized in that: described hot water inlet pipe road, hot water backwater's pipeline and cold water inlet road, cold-water return pipeline be communicated with respectively solenoid valve (5,5-1,5-2,5-3), described solenoid valve (5,5-1,5-2,5-3) is communicated with control cabinet (10) respectively with the induction position limit switch.
4, the thermal power transfer carbon dioxide phase-transformation type energy-conserving and environment-protective pumping unit that utilizes as claimed in claim 1 is characterized in that: the suction tude of described carbon dioxide tank (4) is communicated with source of the gas by valve (4-1).
5, the thermal power transfer carbon dioxide phase-transformation type energy-conserving and environment-protective pumping unit that utilizes as claimed in claim 1 is characterized in that: be provided with between described carbon dioxide tank (4) and the lagging (4-3) and fill the heat exchange filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201048036U CN201363260Y (en) | 2009-01-04 | 2009-01-04 | Phase-change energy-saving environmental-protection oil pumping unit by utilizing heat energy to convert carbon dioxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201048036U CN201363260Y (en) | 2009-01-04 | 2009-01-04 | Phase-change energy-saving environmental-protection oil pumping unit by utilizing heat energy to convert carbon dioxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201363260Y true CN201363260Y (en) | 2009-12-16 |
Family
ID=41473923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201048036U Expired - Lifetime CN201363260Y (en) | 2009-01-04 | 2009-01-04 | Phase-change energy-saving environmental-protection oil pumping unit by utilizing heat energy to convert carbon dioxide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201363260Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446186B (en) * | 2009-01-04 | 2011-10-12 | 北京惠博普能源技术有限责任公司 | An phase-change type energy saving and environment protective oil pumping machine converting carbonic anhydride by using heat energy |
-
2009
- 2009-01-04 CN CNU2009201048036U patent/CN201363260Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446186B (en) * | 2009-01-04 | 2011-10-12 | 北京惠博普能源技术有限责任公司 | An phase-change type energy saving and environment protective oil pumping machine converting carbonic anhydride by using heat energy |
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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 |
Granted publication date: 20091216 Effective date of abandoning: 20090104 |