CN102877821A - Thickened oil steam huff and puff injection-production integrated device - Google Patents
Thickened oil steam huff and puff injection-production integrated device Download PDFInfo
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- CN102877821A CN102877821A CN2012104239703A CN201210423970A CN102877821A CN 102877821 A CN102877821 A CN 102877821A CN 2012104239703 A CN2012104239703 A CN 2012104239703A CN 201210423970 A CN201210423970 A CN 201210423970A CN 102877821 A CN102877821 A CN 102877821A
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Abstract
The invention discloses a thickened oil steam huff and puff injection-production integrated device comprising a driving device, a gas injection-oil production integrated well, an oil pipe, a sucker rod, a double-metal screw rod pump and a cam anchor, wherein the driving device comprises a base, a box body, a motor and a motor base; an oil well jacket is arranged on the gas injection-oil production integrated well; the oil well jacket is sleeved outside the oil pipe; the stator of the double-metal screw rod pump is connected with the bottom of the oil pipe; the cam anchor is arranged at the lower end of the stator; the sucker rod is arranged inside the oil pipe; the lower end of the sucker rod is connected with the rotor of the double-metal screw rod pump, and the upper end of the sucker rod is connected with a polish rod; the polish rod and the motor are in transmission connection; a sealer is arranged inside the base; the lower end of the base is connected with the gas injection-oil production integrated well; a first thermal insulation cushion is arranged between the base and the gas injection-oil production integrated well; the upper end of the base is connected with the box body; a second thermal insulation cushion is arranged between the base and the chassis body; and the box body is hinged with the motor base. The thickened oil steam huff and puff injection-production integrated device provided by the invention integrates a gas injection device with an oil production device, so that the production aging of a thickened oil well can be improved.
Description
Technical field
The present invention relates to a kind of viscous crude field quarrying apparatus, relate in particular to a kind of thickened oil steam-stimulated notes and adopt integrated apparatus.
Background technology
Steam soak makes again periodically steam injection, steam immersion, steam swash product etc.It is as the major measure of heavy crude heat extraction, at present extensive use in the heavy oil development process; So-called steam soak injects a certain amount of high-temperature steam with high pressure to oil well exactly, closing well a period of time, and after the heat energy of steam spreads to oil reservoir, the method for increasing of a kind of heavy crude producing of opening well and making production again.The process of steam soak operation can be divided into three phases, i.e. steam injection, stewing well and back production.Therefore, this arts demand steam injection and the different device of two covers that recovers the oil; Need during steam injection with workover rig flow string to be taken out from the shaft bottom, change the thermal recovery corollary apparatus such as steam injection collet, steam injection well head, need vexed well to treat pressure diffusion after the steam injection, take out the steam injection instlated tubular with workover rig again, be lowered to oil well pump, change the device such as ground production wellhead; Whole steam injection oil recovery Renewal process is very complicated, has not only taken a large amount of production times, and need to expend a large amount of heat energy and a large amount of manpower and materials, has increased the development cost of viscous crude.
Summary of the invention
The object of the invention is to for the problems referred to above, provide a kind of thickened oil steam-stimulated notes to adopt integrated apparatus, adopt steam soak to carry out heavy oil development to solve, steam injection needs the different device of two covers with recovering the oil, need the frequent device in the development process, complex operation, waste heat energy and manpower and materials, operation often, the inefficient problem of thermal recovery.
The objective of the invention is to be achieved through the following technical solutions:
A kind of thickened oil steam-stimulated notes are adopted integrated apparatus, comprise aboveground part and down-hole part, described aboveground part comprises drive unit, steam injection oil recovery integral type well head, described down-hole part comprises oil pipe, sucker rod, the bimetal screw rod pump, the cam anchor, described drive unit comprises base, casing, motor and motor cabinet, on the described steam injection oil recovery integral type well head oil well casing is set, described oil well casing is set in outside the oil pipe, described oil pipe bottom is connected with the stator of bimetal screw rod pump, the lower end of described stator is provided with in order to the fixing cam anchor of oil pipe, be provided with sucker rod in the described oil pipe, described sucker rod lower end links to each other with the rotor of bimetal screw rod pump, its upper end with pass successively from top to bottom casing, base, the polished rod of steam injection oil recovery integral type well head links to each other, described polished rod is connected with motor-driven, be provided with the sealer for the sealing polished rod in the described base, the base lower end links to each other with steam injection oil recovery integral type well head, and be provided with the first heat insulating mattress between base and the steam injection oil recovery integral type well head, the base upper end is connected with casing, and be provided with the second heat insulating mattress between base and the casing, described casing and motor cabinet are hinged.
Further, the output of described motor is equipped with driving wheel, described driving wheel is in transmission connection by narrow V belt and the driven pulley that is arranged on the casing, the described driven pulley driving shaft interior with being fixed on casing is fixedly connected with, be provided with tensioning apparatus between described casing and the motor cabinet, be provided with freewheel clutch on the described driving shaft, and driving shaft is hollow shaft, the polished rod upper end is provided with the polished rod slips, and rotatably be arranged in the driving shaft, be connected with the active axle key, the polished rod lower end is arranged in the base by sealer sealing, and passes steam injection oil recovery integral type well head and link to each other with sucker rod.
Further, described sealer comprises the packing box that is set on the polished rod, is filled with the graphite pads that multilayer seals in the described packing box.
Further, described stator is made by the 38CrMoAl round steel, and described rotor is made by the 42CrMo round steel.
Structural parameters of the present invention:
Root diameter: 46～50mm; Eccentricity of rotor: 3～5mm; Rotor pitch: 60～80mm; Stator helical pitch: 120～160mm; Progression: 7 grades～42 grades; Applicable sleeve pipe: 114～177mm; Applicable oil pipe: 73～89mm.
Performance parameter of the present invention:
Single stage of pressure: 0.5～1MPa; Volumetric efficiency: 50%; Pump setting depth: 200～1200m; Drive unit power: 15～30kW; Rotational speed of driving unit: 100～300r/min.
Beneficial effect of the present invention is that it is simple in structure that described thickened oil steam-stimulated notes are adopted integrated apparatus, is easy to realize, it is integrated with gas filling device and extracting device of oil, save greatly steam injection time, improved the production timeliness of heavy oil wells, reduced the thermal recovery cost; And the rotor of bimetal screw rod pump and stator adopt the metal of high-temperature-resistant high-pressure-resistant to make, has advantage wear-resisting, long service life, greatly reduce the device maintenance cost, in addition, be provided with the first heat insulating mattress between base and the production wellhead, be provided with the second heat insulating mattress, good heat-insulation effect between base and the casing, also need not to remove drive unit during steam injection, realized steam injection, recover the oil integrated.
Description of drawings
Fig. 1 is that the thickened oil steam-stimulated notes of the present invention are adopted integrated apparatus steam injection status architecture schematic diagram;
Fig. 2 is that the thickened oil steam-stimulated notes of the present invention are adopted integrated apparatus oil recovery status architecture schematic diagram;
Fig. 3 is the driving device structure schematic diagram that the thickened oil steam-stimulated notes of the present invention are adopted integrated apparatus.
Among the figure:
1, motor; 2, polished rod; 3, casing; 4, base; 5, sealer; 6, steam injection oil recovery integral type well head; 7, oil well casing; 8, oil pipe; 9, sucker rod; 10, rotor; 11, stator; 12, cam anchor; 13, driving wheel; 14, driven pulley; 15, polished rod slips; 16, tensioning apparatus; 17, the second heat insulating mattress; 18, the first heat insulating mattress; 19, packing box; 20, graphite pads; 21, clamping nut.
The specific embodiment
Further specify technical scheme of the present invention below in conjunction with accompanying drawing and by the specific embodiment.
Please refer to Fig. 1 to shown in Figure 3, in present embodiment, a kind of thickened oil steam-stimulated notes are adopted integrated apparatus, comprise aboveground part and down-hole part, described aboveground part comprises drive unit, steam injection oil recovery integral type well head 6, described down-hole part comprises oil pipe 8, sucker rod 9, the bimetal screw rod pump, cam anchor 12, described drive unit comprises base 4, casing 3, motor 1 and motor cabinet, described steam injection oil recovery integral type well head 6 lower ends link to each other with oil well casing 7 by flange, described oil well casing 7 is set in outside the oil pipe 8, described oil pipe 8 bottoms are connected with the stator 11 of bimetal screw rod pump, described stator 11 is made by the 38CrMoAl round steel, its Vickers hardness is 800～1000HV, the lower end of stator 11 is provided with in order to the fixing cam anchor 12 of oil pipe 8, cam anchor 12 prevents oil pipe 8 and stator 11 transverse shiftings, but when thermal expansion, oil pipe 8 can stretch up and down, be provided with sucker rod 9 in the described oil pipe 8, described sucker rod 9 lower ends link to each other with the rotor 10 of bimetal screw rod pump, described rotor 10 is made by the 42CrMo round steel, sucker rod 9 upper ends with pass successively from top to bottom casing 3, base 4, the polished rod 2 of steam injection oil recovery integral type well head 6 links to each other, described polished rod 2 is in transmission connection with motor 1, the output of described motor 1 is equipped with driving wheel 13, described driving wheel 13 is in transmission connection by narrow V belt and the driven pulley 14 that is arranged on the casing 3, described driven pulley 14 is fixedly connected with driving shaft in being fixed on casing 3, be provided with tensioning apparatus 16 between described casing 3 and the motor cabinet, be provided with freewheel clutch on the described driving shaft, and driving shaft is hollow shaft, polished rod 2 upper ends are provided with polished rod slips 15, and rotatably be arranged in the driving shaft, be connected with the active axle key, polished rod 2 lower ends are arranged in the base 4 by sealer 5 sealings, and pass steam injection oil recovery integral type well head 6 and link to each other with sucker rod 9, described sealer 5 comprises the packing box 19 that is set on the polished rod 2, be filled with the graphite pads 20 that multilayer seals in the described packing box 19, described graphite pads 20 compresses by the clamping nut 21 of packing box 19 upper ends, base 4 lower ends link to each other with steam injection oil recovery integral type well head 6, and be provided with the first heat insulating mattress 18 between base 4 and the steam injection oil recovery integral type well head 6, base 4 upper ends are connected with casing 3, and be provided with the second heat insulating mattress 17 between base 4 and the casing 3, described casing 3 is hinged with motor cabinet.
The tensioning apparatus 16 that arranges between casing 3 and the motor cabinet guarantees the normal transmission of narrow V belt, and it adopts the high temperature grease of 350 ℃ of burning-points, guarantees that it is safe and reliable; Freewheel clutch is housed on the main shaft, prevents sucker rod 9 counter-rotatings after the shutdown, and can realize slow release; The second heat insulating mattress 17 that arranges between the first heat insulating mattress 18 that arranges between base 4 and the steam injection oil recovery integral type well head 6 and base 4 and the casing 3 effectively promotes effect of heat insulation, so that the coefficient of thermal conductivity of whole drive unit is 0.048, pressure-bearing 10MPa, heatproof reaches 450 ℃, during steam injection, need not to remove drive unit, steam injection finishes, treat that pressure diffusion reaches the safety in production standard and can directly recover the oil, improved the production timeliness of heavy oil wells.
This device carry out the viscous crude steam injection handle up the exploitation before, with at the bottom of the part lower going-into-well of down-hole, the stator 11 of bimetal screw rod pump is connected with oil pipe 8 first, rotor 10 is connected with sucker rod 9, installs steam injection oil recovery integral type well head again.
During steam injection, as shown in Figure 1, this moment, the rotor 10 of down-hole proposed with the polished rod 2 on ground, and the steam injection passage is opened, and steam injection pipeline is linked to each other with steam injection entrance on the steam injection oil recovery integral type well head 6, can realize safe steam injection.
When steam injection finished to recover the oil, as shown in Figure 2, polished rod 2 moved down, and slowly puts down rotor 10, after affirmation rotor 10 enters stator 11 fully, adjusted dead space, had blocked the polished rod 2 on ground with polished rod slips 15, got final product opening well and making production.
The present invention compares with existing oil pumper deep-well pumping oil system, has the following advantages:
1, can be with infusion vapour, save greatly steam injection time, improve the production timeliness of heavy oil wells, reduce the thermal recovery cost;
2, possess the conventional screw pump and take out thick function, in the thermal recovery later stage, even oil temperature reduces the crude oil fluidity variation, also can keep the production of long period.Thereby greatly prolong the thermal recovery cycle, improve the cycle oil production, improve the thermal recovery economic benefit;
3, the bimetal screw rod pump of down-hole have wear-resisting, take the characteristics such as sand, can overcome the problem that pump is very easily burnt in the dry grinding of General Purpose Rubber stator screw pump, even but also safe operation in the relatively poor well of liquid-producing capacity;
4, the same with the common screw pump to have a ground installing space little, and the lifting low power consumption and other advantages is compared with conventional pump, has the advantages such as anti-gas lock, anti-eccentric wear, and long service life can reduce the device maintenance cost greatly.
Above embodiment has just set forth basic principle of the present invention and characteristic; the present invention is not limited by above-described embodiment; without departing from the spirit and scope of the present invention, the present invention also has various variations and change, and these variations and change all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (4)
1. thickened oil steam-stimulated notes are adopted integrated apparatus, comprise aboveground part and down-hole part, it is characterized in that: described aboveground part comprises drive unit, steam injection oil recovery integral type well head, described down-hole part comprises oil pipe, sucker rod, the bimetal screw rod pump, the cam anchor, described drive unit comprises base, casing, motor and motor cabinet, on the described steam injection oil recovery integral type well head oil well casing is set, described oil well casing is set in outside the oil pipe, described oil pipe bottom is connected with the stator of bimetal screw rod pump, the lower end of described stator is provided with in order to the fixing cam anchor of oil pipe, be provided with sucker rod in the described oil pipe, described sucker rod lower end links to each other with the rotor of bimetal screw rod pump, its upper end with pass successively from top to bottom casing, base, the polished rod of steam injection oil recovery integral type well head links to each other, described polished rod is connected with motor-driven, be provided with the sealer for the sealing polished rod in the described base, the base lower end links to each other with steam injection oil recovery integral type well head, and be provided with the first heat insulating mattress between base and the steam injection oil recovery integral type well head, the base upper end is connected with casing, and be provided with the second heat insulating mattress between base and the casing, described casing and motor cabinet are hinged.
2. thickened oil steam-stimulated notes according to claim 1 are adopted integrated apparatus, it is characterized in that: the output of described motor is equipped with driving wheel, described driving wheel is in transmission connection by narrow V belt and the driven pulley that is arranged on the casing, the described driven pulley driving shaft interior with being fixed on casing is fixedly connected with, be provided with tensioning apparatus between described casing and the motor cabinet, be provided with freewheel clutch on the described driving shaft, and driving shaft is hollow shaft, the polished rod upper end is provided with the polished rod slips, and rotatably be arranged in the driving shaft, be connected with the active axle key, the polished rod lower end is arranged in the base by sealer sealing, and passes steam injection oil recovery integral type well head and link to each other with sucker rod.
3. thickened oil steam-stimulated notes according to claim 1 and 2 are adopted integrated apparatus, it is characterized in that: described sealer comprises the packing box that is set on the polished rod, is filled with the graphite pads that multilayer seals in the described packing box.
4. thickened oil steam-stimulated notes according to claim 1 are adopted integrated apparatus, it is characterized in that: described stator is made by the 38CrMoAl round steel, and described rotor is made by the 42CrMo round steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210423970.3A CN102877821B (en) | 2012-10-29 | 2012-10-29 | Thickened oil steam-stimulated note adopts integrated apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210423970.3A CN102877821B (en) | 2012-10-29 | 2012-10-29 | Thickened oil steam-stimulated note adopts integrated apparatus |
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| CN102877821A true CN102877821A (en) | 2013-01-16 |
| CN102877821B CN102877821B (en) | 2016-12-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590563A (en) * | 2018-04-08 | 2018-09-28 | 中国石油化工股份有限公司 | Screw pump well head steam injection sealing device and note adopt integrated optical rod seal apparatus |
| CN109424343A (en) * | 2017-08-31 | 2019-03-05 | 中国石油化工股份有限公司 | It is a kind of with note well head and well head with injecting method |
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| CN2437850Y (en) * | 2000-09-05 | 2001-07-04 | 赵河 | Electric heating screw pump oil production apparatus |
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| CN101793138A (en) * | 2010-03-10 | 2010-08-04 | 大庆油田有限责任公司 | Hydrocyclone and screw pump combined downhole oil-water separation method |
| CN202273664U (en) * | 2011-09-12 | 2012-06-13 | 联合石油天然气投资有限公司 | Lift pipe string for deep layer fire flooding oil exploitation |
| CN202900221U (en) * | 2012-10-29 | 2013-04-24 | 无锡世联丰禾石化装备科技有限公司 | Thickened oil steam huff and puff injection-extraction integrated device |
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2012
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2237712Y (en) * | 1995-05-26 | 1996-10-16 | 大庆石油管理局 | Suction matching device for hollow rod rotary bolt pump sleeve |
| CN2437850Y (en) * | 2000-09-05 | 2001-07-04 | 赵河 | Electric heating screw pump oil production apparatus |
| CN2555429Y (en) * | 2002-07-26 | 2003-06-11 | 大庆油田有限责任公司 | Horizontal wide V-shape belt mechanical stepless speed governing driving gear for screw pump |
| CN201292831Y (en) * | 2008-11-18 | 2009-08-19 | 大港油田集团新世纪机械制造有限公司 | Screw pump oil production electric heater unit |
| CN101793138A (en) * | 2010-03-10 | 2010-08-04 | 大庆油田有限责任公司 | Hydrocyclone and screw pump combined downhole oil-water separation method |
| CN202273664U (en) * | 2011-09-12 | 2012-06-13 | 联合石油天然气投资有限公司 | Lift pipe string for deep layer fire flooding oil exploitation |
| CN202900221U (en) * | 2012-10-29 | 2013-04-24 | 无锡世联丰禾石化装备科技有限公司 | Thickened oil steam huff and puff injection-extraction integrated device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109424343A (en) * | 2017-08-31 | 2019-03-05 | 中国石油化工股份有限公司 | It is a kind of with note well head and well head with injecting method |
| CN109424343B (en) * | 2017-08-31 | 2024-04-16 | 中国石油化工股份有限公司 | Wellhead and wellhead injection-accompanying method |
| CN108590563A (en) * | 2018-04-08 | 2018-09-28 | 中国石油化工股份有限公司 | Screw pump well head steam injection sealing device and note adopt integrated optical rod seal apparatus |
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| Publication number | Publication date |
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| CN102877821B (en) | 2016-12-21 |
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Effective date of registration: 20221221 Address after: 102200 Room 215, building 3, yard 9, energy South Street, innovation base, Shahe Town, Changping District, Beijing Patentee after: BEIJING PETROLEUM MACHINERY Co.,Ltd. Address before: No. 5, Zhenxing Road, Sitou Village, Yanqiao Street, Huishan District, Wuxi City, Jiangsu Province, 214000 Patentee before: WUXI SLFH PETROCHEMICAL EQUIPMENT TECHNOLOGY Co.,Ltd. |