CN201187286Y - Intelligent well layered oil-finding control device - Google Patents
Intelligent well layered oil-finding control device Download PDFInfo
- Publication number
- CN201187286Y CN201187286Y CNU2008200803109U CN200820080310U CN201187286Y CN 201187286 Y CN201187286 Y CN 201187286Y CN U2008200803109 U CNU2008200803109 U CN U2008200803109U CN 200820080310 U CN200820080310 U CN 200820080310U CN 201187286 Y CN201187286 Y CN 201187286Y
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- oil
- electric control
- control valve
- well
- control device
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Abstract
The utility model relates to an intelligent control device for the separate zone production in an oil field. The intelligent control device is characterized in that the device comprises 1-8 separators. A wire of the ground electric control port of the device is connected with a bushing and another wire thereof is connected with an insulating single-core cable. The insulating single-core cable goes down the well between an oil pipe and the bushing and is connected with an adapter, wherein the adapter is preset on a connecting-tripping device and has resistance to high temperature and high pressure. The oil pipes of the oil layer between the connecting-tripping device and the insulating adapter are spray-painted for insulation treatment. The whole of the connecting-tripping device is spray-painted for insulation treatment. Electric control valves are contacted with the bushing via the raised spherical part thereof, so as to establish the power supply loop from the well mouth to the well bottom electric control valve. The electric control valves are connected with the oil pipes of the oil layer at the lower part of the separators. The number of the electric control valves is in the range from 1-8. The intelligent control device has the advantages of operability of opening or closing the electric control valves respectively by the ground input of the electrical pulse signals, convenience for separate zone oil production, no problem of repeated conversion of multiple oil layers and excellent oil production efficiency.
Description
Technical field
The utility model relates to the well recovery intelligence controlling device that uses in a kind of oilfield process, by carrying out the separate zone production of oil reservoir easily in Ground Control.
Background technology
At present, oilfield separate zone production technical backstopping is separated oil reservoir in Wel packing, and changes by the production that layering perforation and oil pipe transmission energy carry out between each oil reservoir, and the liquid in the oil reservoir is exploited out respectively.Prior art complicated operation, reliability are low, can not realize the conversion repeatedly between the multilayer, need implement special operation to oil well when changing layer, change a layer producing cost costliness, and existing oil well delamination production technique can not adapt to the needs of field produces.
The utility model content
The purpose of this utility model is: a kind of smart well layering oil prospecting control device is provided, many cover electric control valves are installed in individual well, utilize the down-hole to overlap electric control valve more, by forming electric power loop between oil pipe and the sleeve pipe, control instruction according to ground opens and closes the layer position electric control valve that needs open and close respectively, makes this stratum enter corresponding oil recovery production.Solve the transfer problem repeatedly between the multiple zone production.
The technical solution adopted in the utility model is: smart well layering oil prospecting control device, mainly form by terrestrial contr, sleeve pipe, oil reservoir oil pipe, Wel packing and electric control valve, sleeve pipe and oil reservoir oil pipe are arranged in well, between sleeve pipe and oil reservoir oil pipe, packer is arranged.It is characterized in that: the quantity of described packer is between 1～8.Have automatically controlled part, automatically controlled part to have a lead to be connected on the sleeve pipe on ground, another root lead links to each other with the insulation single-core cable of 1 Gent system, and the insulation single-core cable is connected by the high temperature high voltage resistant joint of going into the well between oil pipe and the sleeve pipe with disjointed device is reserved.The oil reservoir oil pipe sprays paint and does the insulation processing between disjointed device and the insulating joint, and disjointed device integral body is sprayed paint and being done the insulation processing, makes electric current can not make progress, conduct downwards.Electric control valve contacts with sleeve pipe by the outstanding spherical position of valve body itself, and above step has been finished well head and set up process to the electric power loop of shaft bottom electric control valve.Be connected with electric control valve on the oil reservoir oil pipe of packer bottom, the quantity of electric control valve is between 1～8.
For electric current and underground insulation that the electric control part branch sends, insulating joint is installed in the top of hanger.
The automatically controlled part in ground adopts pulse signal by the open and close controlling of electric power loop realization to electric control valve, and oil well casing is as zero-power line.
Electric control valve is to use pulse motor as power source.Step angle is 1.8 °, increases moment of torsion by reductor, and speed reducing ratio is 1: 43, changes 30 degree angles and need send out 716 pulses.The every Rotate 180 of pulse motor ° can be realized the location, and all electric control valves are all started to walk from zero degree when being convenient to start to walk next time.
Described packer is the 1-8 cover.Packer with one 3 cover is an example, and electric control valve is 3 covers, controls 3 stratum, and interlayer opens and closes is separated by 30 °.
716 pulses, first electric control valve is opened;
1432 pulses, first electric control valve is closed;
2148 pulses, second electric control valve opened;
2864 pulses, second electric control valve closed;
3580 pulses, the 3rd electric control valve opened;
4296 pulses, the 3rd electric control valve closed;
5012 more than the pulse, zero degree is closed and reset to all electric control valves.
The withstand voltage scope 0-50Mpa of control electric control valve far away, temperature resistant range 0-125 ℃, power supply mode are direct current 60V, well depth 3000m.
The beneficial effects of the utility model: the utility model smart well layering oil prospecting control device is according to geological condition, different phase in oil well production, at ground start operation control section, in oil well, form the electric power loop of motor by insulation single-core cable, oil reservoir oil pipe and the sleeve pipe of a Gent system, at the down-hole oil reservoir many cover Wel packings and electric control valve are installed as required, electric control valve can open and close respectively separately according to the electric pulse signal of ground input, be convenient to the layering oil prospecting, can solve the transfer problem repeatedly between the multiple zone production.According to geological condition, in the different phase of oil well production, can carry out the separate zone production of oil reservoir easily by smart well layering oil prospecting control device, obtain best produce oil effect.Apparatus of the present invention are simple to operate, reliability is high, can realize between the multilayer conversion repeatedly, do not need oil well is implemented special operation when changing layer, it is very low to change layer producing cost.
Description of drawings
Fig. 1 is the utility model smart well layering oil prospecting control device structural profile schematic diagram.
Among the figure, 1. common sucker rod, 2. oil pipe, 3. sleeve pipe, 4. screen casing, tail pipe, 5. insulation single-core cable, 6. disjointed device, 7. packer, 8. electric control valve, 9. insulating joint, 10. hanger, 11. automatically controlled parts, 12. oil reservoir oil pipes.
The specific embodiment
Embodiment 1: can control 3 stratum with one, packer is 3, and electric control valve is 3, and it is example that interlayer opens and closes 30 ° the smart well layering oil prospecting control device of being separated by, and the utility model is described in further detail.
Consult Fig. 1.Smart well layering oil prospecting control device mainly is made of the automatically controlled part 11 in ground, sleeve pipe 3, oil reservoir oil pipe 12, Wel packing 7 and electric control valve 8.Sleeve pipe 3 is arranged in well, and there is oil reservoir oil pipe 12 sleeve pipe 3 inside, between sleeve pipe 3 and oil reservoir oil pipe 12 packer 7 are arranged, and well depth is 3000m.An oil reservoir is arranged at the bottom of each packer 7.
Have automatically controlled part 11, automatically controlled part 11 to have a lead to be connected on the sleeve pipe 3 on ground, another root lead links to each other with the insulation single-core cable of 1 Gent system, is connected by the high temperature high voltage resistant joint of going into the well between oil pipe and the sleeve pipe with disjointed device 6 is reserved.Oil reservoir oil pipe 12 sprays paint and does the insulation processing between disjointed device 6 and the insulating joint 9, and disjointed device 6 integral body are sprayed paint and being done the insulation processing, makes electric current can not make progress, conduct downwards.Electric control valve 8 contacts with sleeve pipe by the outstanding spherical position of valve body itself, and above step has been finished well head and set up process to the electric power loop of shaft bottom electric control valve.Be connected with electric control valve 8 on the oil reservoir oil pipe 12 of packer 7 bottoms, the quantity of electric control valve 8 is 3.
The automatically controlled part 11 in ground adopts pulse signal by the open and close controlling of electric power loop realization to electric control valve 8, and oil well casing 3 is as zero-power line.
716 pulses, first electric control valve 8 is opened;
1432 pulses, first electric control valve 8 is closed;
2148 pulses, second electric control valve 8 opened;
2864 pulses, second electric control valve 8 closed;
3580 pulses, the 3rd electric control valve 8 opened;
4296 pulses, the 3rd electric control valve 8 closed;
5012 more than the pulse, zero degree is closed and reset to all electric control valves 8.
Control electric control valve 8 withstand voltage scope 0-50Mpa far away, temperature resistant range 0-125 ℃, power supply mode are direct current 60V.
Claims (5)
1, a kind of smart well layering oil prospecting control device, mainly by the automatically controlled part in ground (11), sleeve pipe (3), oil reservoir oil pipe (12), Wel packing (7) and electric control valve (8) are formed, sleeve pipe (3) and oil reservoir oil pipe (12) are arranged in well, between sleeve pipe (3) and oil reservoir oil pipe (12), packer (7) is arranged, it is characterized in that: the quantity of described packer (7) is between 1～8, automatically controlled part (11) is arranged on ground, automatically controlled part (11) has a lead to be connected on the sleeve pipe (3), another root lead and 1 thoroughly does away with the edge single-core cable and links to each other, the insulation single-core cable is connected by the high temperature high voltage resistant joint of going into the well between oil pipe and the sleeve pipe with disjointed device (6) is reserved, oil reservoir oil pipe (12) sprays paint and does the insulation processing between disjointed device (6) and the insulating joint (9), disjointed device (6) integral body is sprayed paint and is done the insulation processing, electric current can not be made progress, conduction downwards, electric control valve (8) contacts with sleeve pipe by the outstanding spherical position of valve body itself, above step has been finished well head and has been set up process to the electric power loop of shaft bottom electric control valve, be connected with electric control valve (8) on the oil reservoir oil pipe (12) of packer (7) bottom, the quantity of electric control valve (8) is between 1～8.
2, smart well layering oil prospecting control device according to claim 1, it is characterized in that: insulating joint (9) is installed in the top of hanger (10).
3, smart well layering oil prospecting control device according to claim 1, it is characterized in that: oil well casing (3) is as zero-power line.
4, smart well layering oil prospecting control device according to claim 1, it is characterized in that: electric control valve (8) is as power source with pulse motor, step angle is 1.8 °, increase moment of torsion by reductor, speed reducing ratio is 1: 43, change 30 degree angles and need send out 716 pulses, the every Rotate 180 of pulse motor ° can be realized locating, and all electric control valves (8) are all started to walk from zero degree when being convenient to start to walk next time.
5, according to claim 1 or 2 or 3 or 4 described smart well layering oil prospecting control device, it is characterized in that: described packer (7) is 1～8 cover, and electric control valve (6) is 1～8 cover, controls 1～8 oil reservoir, and interlayer opens and closes is separated by 30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200803109U CN201187286Y (en) | 2008-04-30 | 2008-04-30 | Intelligent well layered oil-finding control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200803109U CN201187286Y (en) | 2008-04-30 | 2008-04-30 | Intelligent well layered oil-finding control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201187286Y true CN201187286Y (en) | 2009-01-28 |
Family
ID=40310305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200803109U Expired - Lifetime CN201187286Y (en) | 2008-04-30 | 2008-04-30 | Intelligent well layered oil-finding control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201187286Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747142A (en) * | 2015-03-24 | 2015-07-01 | 中国石油天然气股份有限公司 | Method for layer changing in layered exploitation of toothbrush-shaped oil reservoir |
| CN108708712A (en) * | 2018-04-08 | 2018-10-26 | 阜新市石油工具厂 | A kind of communication modulation process method of oil pipe and casing composition |
-
2008
- 2008-04-30 CN CNU2008200803109U patent/CN201187286Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747142A (en) * | 2015-03-24 | 2015-07-01 | 中国石油天然气股份有限公司 | Method for layer changing in layered exploitation of toothbrush-shaped oil reservoir |
| CN104747142B (en) * | 2015-03-24 | 2017-07-07 | 中国石油天然气股份有限公司 | A kind of method that layer is changed in toothbrush shape oil reservoir separate zone production |
| CN108708712A (en) * | 2018-04-08 | 2018-10-26 | 阜新市石油工具厂 | A kind of communication modulation process method of oil pipe and casing composition |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090128 |
|
| CX01 | Expiry of patent term |