CN2369003Y - Anti-sand pump for thick oil - Google Patents
Anti-sand pump for thick oil Download PDFInfo
- Publication number
- CN2369003Y CN2369003Y CN 99207200 CN99207200U CN2369003Y CN 2369003 Y CN2369003 Y CN 2369003Y CN 99207200 CN99207200 CN 99207200 CN 99207200 U CN99207200 U CN 99207200U CN 2369003 Y CN2369003 Y CN 2369003Y
- Authority
- CN
- China
- Prior art keywords
- sand
- pump
- thick oil
- oil
- plunger
- 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 - Fee Related
Links
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model relates to an anti-sand pump for sucking thick oil, which is used for sucking oil by a machine at oil fields. The utility model is composed of thick oil pumps and an annular and hollow sand depositing device, wherein, the thick oil pumps are installed in the mode that two pumps are sheathed, and the thick oil pumps are arranged at the inner part of the annular and hollow sand depositing device. The thick oil pumps and the annular and hollow sand depositing device are integrally connected by a sand depositing joint. When the anti-sand pump for sucking thick oil is arranged in an oil well, the high-pressure bearing area of the upper end surface of a plunger is greater than the high-pressure bearing area of the lower end surface to generate downward feedback force which can overcome the friction resistance of thick oil for a sucker rod, and a thick oil well can be ensured to normally work. The sand depositing device of the utility model causes depositing sand to sink into a lower tail pipe of the pump when a sand outlet oil well is stopped pumping, and the lower tail pipe of the pump is not buried by the sand. Therefore, the utility model is suitable for working in a thick oil sand outlet well.
Description
The utility model relates to the viscous crude sand-proof oil-well pump that a kind of oil field machinery oil is used.
In the sand-control pump that uses is recovered the oil in the oil field, do not have the function of taking out viscous crude, in the thick oil pump that uses, do not have the function that sand control buries sucker rod.As Chinese patent 95235086.6 long-plunger formula sand-proof oil-well pumps, it has the function that sand control buries sucker rod and sand holddown, but can not take out viscous crude, when producing in the viscous crude sand output well, the surface friction drag of viscous crude and sucker rod can cause the descending difficulty of sucker rod, and oil well can not ordinary production.The multi-functional subsurface pump for heavy oil of Chinese patent 93229572.X and for example, it has installed the device of strike-ofing on long-plunger, function with certain sand control holddown, but in the time of can not preventing stop pumping, the problem that sand buries sucker rod after the sand sedimentation on the pump, characteristics that it takes out viscous crude have just solved the problem that viscous crude advances pump well, can not solve the problem of the descending difficulty of sucker rod that the surface friction drag of viscous crude and sucker rod causes.
The purpose of this utility model is a kind of viscous crude sand-proof oil-well pump of design, and it can not only take out viscous crude, also has to prevent that sand from burying the function of sucker rod.
The purpose of this utility model is achieved in that by thick oil pump and annular space sand setting device to be formed.Thick oil pump is made up of outlet valve, oiling valve, big pump barrel, plunger pump barrel, small plunger, extension pipe, connecting tube; Annular space sand setting device is made up of joint, outer tube, sand-precipitating joint.Thick oil pump and annular space sand setting device are connected into one by sand-precipitating joint.
Thick oil pump is equivalent to two pumps (big pump and little pump) and forms, and big pump is made up of big pump barrel and plunger pump barrel, and sealing surface is big pump barrel inwall and plunger pump drum outer wall, and little pump is made up of plunger pump barrel and small plunger, and sealing surface is plunger pump barrel inwall and small plunger outer wall.Be the plunger that the outer wall of plunger pump barrel is equivalent to big pump, the inwall of plunger pump barrel is equivalent to the pump barrel of little pump, and two pumps is that telescopiform is installed.Outlet valve is installed on plunger pump barrel top, and small plunger top is installed into fuel tap.For saving cost, big pump barrel is processed into short pump barrel, and its bottom is an extension pipe, big pump barrel and extension pipe scyewed joint.For saving cost, small plunger is processed into the short column plug, and its bottom is connecting tube, uses scyewed joint for two.Connecting tube and extension pipe bottom and sand-precipitating joint scyewed joint.The connecting tube bottom has UNICOM's groove, and annular space that extension pipe inwall and connecting tube outer wall form is communicated with strata pressure by the filler opening of sand-precipitating joint, separates with the pump upward pressure.Because strata pressure is lower than the pump upward pressure, therefore, when the plunger pump barrel was descending, the area that plunger pump barrel upper-end surface is subjected to high pressure was subjected to the area of high pressure greater than the lower end surface, and the plunger pump barrel obtains a downward feedback force, is used to overcome the viscous crude surface friction drag descending to sucker rod.
Annular space sand setting device is made up of joint, outer tube, sand-precipitating joint, and during stop pumping, sand setting sinks to tail pipe under the pump through sand setting annular space and sand-precipitating joint, thereby wall is exempted from sand and buried sucker rod.
Viscous crude sand-proof oil-well pump of the present utility model, a downward feedback force is arranged when the plunger pump barrel is descending, can overcome the surface friction drag of viscous crude to sucker rod, guarantee thick oil well energy ordinary production, its annular space sand setting device makes and shakes out when bumping off a well, sand setting sinks to tail pipe under the pump, and it is not buried by sand, so the utility model can be worked in the viscous crude sand output well.
Description of drawings:
Accompanying drawing is the utility model structure sectional view.
Among the figure: the 1st, joint, the 2nd, outlet valve, the 3rd, oiling valve, the 4th, big pump barrel, the 5th, plunger pump barrel, the 6th, small plunger, the 7th, extension pipe, the 8th, connecting tube, the 9th, outer tube, the 10th, sand-precipitating joint.
It is made up of thick oil pump and annular space sand setting device.Thick oil pump is made up of outlet valve 2, oiling valve 3, big pump barrel 4, plunger pump barrel 5, small plunger 6, extension pipe 7, connecting tube 8; Annular space sand setting device is made up of joint 1, outer tube 9, sand-precipitating joint 10.Thick oil pump and annular space sand setting device are connected into one by sand-precipitating joint 10.
Thick oil pump is equivalent to two pumps (big pump and little pump) and forms, big pump is made up of big pump barrel 4, plunger pump barrel 5; little pump is made up of plunger pump barrel 5, small plunger 6; be the plunger that the outer wall of plunger pump barrel 5 is equivalent to big pump; the inwall of plunger pump barrel 5 is equivalent to the pump barrel of little pump, and two pumps is the telescopiform installation.Outlet valve 2 is installed on plunger pump barrel 5 tops, and small plunger 6 tops are installed into fuel tap 3.For saving cost, big pump barrel 4 is processed into short pump barrel, and its bottom is an extension pipe 7, and big pump barrel 4 is used scyewed joint with extension pipe 7.For saving cost, small plunger 6 is processed into the short column plug, and its bottom is that scyewed joint is used in 8, two of connecting tubes.Connecting tube 8 and extension pipe 7 bottoms and sand-precipitating joint 10 are used scyewed joint.Connecting tube 8 bottoms have UNICOM's groove, and annular space B that the outer wall of the inwall of extension pipe 7 and connecting tube 8 forms is communicated with strata pressure by the filler opening of sand-precipitating joint 10, separate with the pump upward pressure.Because strata pressure is lower than the pump upward pressure, therefore, when plunger pump barrel 5 was descending, plunger pump barrel 5 upper-end surfaces were subjected to the area of high pressure to be subjected to the area of high pressure greater than the lower end surface, plunger pump barrel 5 obtains a downward feedback force, is used to overcome the viscous crude surface friction drag descending to sucker rod.
Annular space sand setting device is made up of joint 1, outer tube 9, sand-precipitating joint 10, and big pump barrel 4, extension pipe 7, outer tube 9 form sand setting annular space A, and during stop pumping, sand setting sinks to tail pipe under the pump through sand setting annular space A and sand-precipitating joint 10, thereby avoids sand to bury sucker rod.
Claims (3)
1, the viscous crude sand-proof oil-well pump used of a kind of oil field machinery oil, be made up of thick oil pump and annular space sand setting device, wherein: thick oil pump is made up of outlet valve (2), oiling valve (3), big pump barrel (4), plunger pump barrel (5), small plunger (6), extension pipe (7), connecting tube (8); Annular space sand setting device is made up of joint (1), outer tube (9), sand-precipitating joint (10), it is characterized in that thick oil pump is installed in annular space sand setting device inside, is connected into one by sand-precipitating joint (10).
2, viscous crude sand-proof oil-well pump according to claim 1 is characterized in that the annular space (B) that big pump barrel (4), extension pipe (7), outer tube (9) surround communicates with the filler opening of sand-precipitating joint (10).
3, viscous crude sand-proof oil-well pump according to claim 1 is characterized in that having UNICOM's groove in the connecting tube (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99207200 CN2369003Y (en) | 1999-04-12 | 1999-04-12 | Anti-sand pump for thick oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99207200 CN2369003Y (en) | 1999-04-12 | 1999-04-12 | Anti-sand pump for thick oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2369003Y true CN2369003Y (en) | 2000-03-15 |
Family
ID=34001270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99207200 Expired - Fee Related CN2369003Y (en) | 1999-04-12 | 1999-04-12 | Anti-sand pump for thick oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2369003Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100335794C (en) * | 2003-04-07 | 2007-09-05 | 于海涛 | Clean hole screw rod pump against sand block |
| CN102720663A (en) * | 2012-05-31 | 2012-10-10 | 常州市冠腾石油装备有限公司 | Special oil-well pump for multifunctional submersible linear motor |
-
1999
- 1999-04-12 CN CN 99207200 patent/CN2369003Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100335794C (en) * | 2003-04-07 | 2007-09-05 | 于海涛 | Clean hole screw rod pump against sand block |
| CN102720663A (en) * | 2012-05-31 | 2012-10-10 | 常州市冠腾石油装备有限公司 | Special oil-well pump for multifunctional submersible linear motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2369003Y (en) | Anti-sand pump for thick oil | |
| CN201496051U (en) | Relay lifting device for viscous oil dilution well | |
| CN2811594Y (en) | Oil-well pump with double functions of pumping oil and water | |
| CN2538953Y (en) | Oil well oil pumping oil booster | |
| CN200952463Y (en) | Hanging immersed thickened oil pump | |
| CN201155448Y (en) | External valve type hydraulic self-sealing plunger oil pump | |
| CN2457369Y (en) | Movable tube type thickened oil pump | |
| CN2793305Y (en) | Fishing and delivering tool of guide cylinder for branched well | |
| CN2364243Y (en) | Feedback viscous crude pump | |
| CN219061959U (en) | Double-plunger test combined pump | |
| CN2693988Y (en) | Large path sand-proof thick oil pump | |
| CN2634145Y (en) | Three-stage layered oil pump | |
| CN202645952U (en) | Injection type oil-inlet oil well pump | |
| CN2295062Y (en) | Oil-pump well oil-adding pump | |
| CN2572040Y (en) | Oil suction pump | |
| CN2693991Y (en) | Large path thick oil pump | |
| CN2547904Y (en) | Deep-extracting oil-well pump | |
| CN202914282U (en) | Displacement type gas prevention deep sucker rod pump | |
| CN202056036U (en) | Rod deep mining oil well pump | |
| CN200940557Y (en) | Forced valve type bias oil intaking thickening pump | |
| CN2414220Y (en) | Low-pressure high-efficiency oil pump | |
| CN201531397U (en) | Movable cylinder high-efficiency tubular oil pump | |
| CN2473358Y (en) | Oil pump capable of leaking and filling | |
| CN2693989Y (en) | Immerging type oil-well pump with gas-tight, sand-proof, and thick oil pumping functions | |
| CN2252255Y (en) | Pumping well tubular column structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |