CN2881096Y - Layered oil extracting and testing device for oil well - Google Patents
Layered oil extracting and testing device for oil well Download PDFInfo
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- CN2881096Y CN2881096Y CNU2006200898773U CN200620089877U CN2881096Y CN 2881096 Y CN2881096 Y CN 2881096Y CN U2006200898773 U CNU2006200898773 U CN U2006200898773U CN 200620089877 U CN200620089877 U CN 200620089877U CN 2881096 Y CN2881096 Y CN 2881096Y
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- oil well
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Abstract
A layered oil extracting and testing device for oil well belongs to oil well testing device category. Multi-layer oil reservoir development has entered into mid - and late phases. Influenced by interlayer interference, the contribution rate of each layer is different, if traditional testing mode and measurement method is used, apparatus and borehole structure can not accurately reflect monolayer pressure parameters. To reach the target, the device can have monolayer testing of reservoir flow, pressure and temperature of downhole multiple combination and achieve synchronous measurement, slice mining, and do not effect normal production of wells through a downhole tool composed of an oil pipe short section, a top joint, a base joint,, an instrument in the sheath including an inlet hole, a sensor, a signal memory and a control board power unit, connecting to the computer at the wellhead by cables. On the ground artificial control of separate layer production can be realized. When testing of all layers is completed, the ground computers can make assessments of various layers. The device can measure accurately and conveniently and can arbitrarily control the corresponding strata production and improve the recovery efficiency of oil wells.
Description
Technical field:
The utility model relates to a kind of oil well with oil production by layer zonal testing device, belongs to oil well test device class.
Background technology:
The multilayered reservoir exploitation enters the middle and later periods, be subjected to the influence of interlayer difference, each stressor layer returns to form and differs greatly, the contribution rate difference that causes each layer, traditional measured pressure and other parameters of pressure gauge pressure measurement mode is actually the force value of the common influence of multilayer in the well, the pressure parameter that can't reflect each individual layer accurately, this is to the oil reservoir adjustment and tap the latent power and caused bigger difficulty, because each interlayer contradiction becomes increasingly conspicuous, and makes the moisture continuous rising of oil well, to employing the recoverable reserves of oil reservoir, improve recovery ratio, caused very big influence, the looking for of oil well, water blockoff and the oil production by layer oil well yield to improving seems increasingly important.
The utility model content:
The purpose of this utility model is in order to overcome above-mentioned shortcoming, and a kind of oil well that provides oil production by layer zonal testing device, this device can be measured the dynamic and static geologic information of each layer in the well, in good time according to measurement result to oil reservoir production align, thereby can realize oil well water detection, the integrated production of water blockoff produce oil.
Technical solutions of the utility model are:
For achieving the above object, the utility model is by oily tubing nipple, top connection sheath, signal storage transmission control panel, power set, valve body, lower contact are formed excessively.The described tubing nipple of crossing links to each other with screw thread respectively with sheath and lower contact with top connection, be provided with Instrument shell in the sheath, body, in the inlet opening of lower housing portion, sensor is housed, signal storage in this sensor and the Instrument shell, transmission control panel link to each other, control panel is by lead and power set, cable and cross tubing nipple and join, and described power set passing hole channel links to each other with following valve body.
The liquid-through hole of described cable in the top connection, lower contact internal bypass hole and inlet opening pass.
The cable core of described cable and signal transmission control panel, terrestrial interface case, sensor and power set, ground communications interface link.
Described ground communications interface comprises by flow temperature sensor TLW, pressure sensor TP, communication module IC1, single-chip microcomputer IC2, analog to digital conversion circuit IC3, memory IC 4, IC5, switch power module IC6, single-chip microcomputer holding circuit IC7, executive circuit M1, M2, M3, M4 and motor M and forming.
The utility model has distinguishing feature with existing comparing:
Because testing arrangement of the present utility model and packer are lowered into corresponding respective layer position in the oil well with oil pipe, by cable tester and ground communications interface are connected together, under the plugging action of packer, the formation testing component is divided into several separate measures layer, and each measures layer and corresponding oil production by layer, testing arrangement is corresponding, opening corresponding stratum respectively by the oil reservoir order during measurement produces, and then carry out formation flow rate, the degree of depth, pressure, the measurement of oil-water ratio, at last survey data just can be got the producing well dynamic parameter by Computer Processing, feeder pay looks for water blockoff to use.
Description of drawings:
Accompanying drawing 1 is the utility model structural representation.
Accompanying drawing 2 is the utility model work progress device binding figure.
Accompanying drawing 3 is the utility model circuit theory diagrams.
Among the figure by 1; cable 2; cross tubing nipple 3; liquid-through hole, 4; top connection, 5; sheath; 6; signal transmission control panel, 7; tool housing, 8; power set; 9; valve body, 10; sensor, 11; by-pass prot; 12; inlet opening, 13; lower contact, 14; dropcable; 15; the terrestrial interface case, 17; oil pipe, 18; oil well pump; 19; cable is crossed tubing nipple, and 20; the oil production by layer testing arrangement, 21; the stratum; 22; packer; 23; the cable top connection, 24; the cable lower contact, TLW; temperature pick up; TP; pressure sensor; IC1; communication module, IC2; single-chip microcomputer, IC3; analog to digital conversion circuit; IC4; IC5; memory; IC6; power module, IC7; the single-chip microcomputer holding circuit, M1; M2; M3; M4; executive circuit and M motor are formed.Form.
The specific embodiment:
The utility model is provided by following examples, is illustrated below in conjunction with accompanying drawing.
Embodiment 1:
Among Fig. 1 by cable 1 and be shaped as two ends have have liquid-through hole 3 in the middle of screw thread and the different-diameter cross tubing nipple 2 and lower end top connection 4, sheath 5, signal transmission control panel 6, power set 8, valve body 9 and lower contact 13 are formed, describedly cross tubing nipple 2 and top connection 4 by being threaded, be provided with Instrument shell in the sheath 5, sensor 10 is arranged in the lower housing portion inlet opening, this sensor links to each other with signal storage transmission control panel 6 in the Instrument shell, signal controlling transmission board 6 is by lead and power set 8, cable 1 and mistake tubing nipple 2 link to each other, and power set 8 passing hole channels communicate with below valve body 9.
Described cable 1 is by passing liquid-through hole 3, lower contact 13 internal bypass holes 11 and the inlet opening 12 of well head terrestrial interface case 15 in top connection 4.The cable core of this cable 1 is connected with signal transmission board 6, terrestrial interface case 15, power set 8 and ground communications interface 15.
Embodiment 2:
Described ground communications interface box 15 comprises by flow temperature sensor TLW, pressure sensor TP, communication module IC1, single-chip microcomputer IC2, analog to digital conversion circuit IC3, memory IC 4, IC5, power module IC6, single-chip microcomputer holding circuit IC7, executive circuit M1, M2, M3, M4 and motor M and forming.
Embodiment 3:
The utility model operating principle is:
In the utility model when work, be connected cable 1 and be lowered into oil well build-in test position with oil production by layer testing arrangement 20 in this device, as required, once can be lowered to five measuring apparatuss is in five measurement layer positions (Fig. 2), send command adapted thereto by cable to the down-hole by the computer in the terrestrial interface case 15 during measurement, at this moment, single-chip microcomputer IC2 in the signal transmission control panel 6 in the corresponding instrument receives instruction, at first indicate power set 8 with valve open in the valve body 9, making wherein, stratum liquid passes through liquid-through hole 3 in the instrument, sensor 10, oil pipe 17 usefulness oil well pumps 18, liquid is delivered to ground, at this moment, sensor 10 is with pressure, flow and temperature signal are delivered to and are carried out the analog-to-digital conversion storage on the temperature control panel in the single-chip microcomputer, and on ground by the liquid in the well is taken a sample, chemical examination can obtain the oil gas water correlation data of this layer, behind EOT, the instrument signal transmission board receives surface instruction and closes inlet opening 12, can finish this layer test, send command adapted thereto again by ground then, the instrument of one deck position is tested the second layer under opening.Each control instruction that whole test process is sent by computer is only adopted liquid production to single stratum, therefore, has eliminated interlayer interference, thereby the individual layer that can realize real meaning is measured.Therefore measurement result is reliably true, the utility model has been realized the synchro measure separate zone production and has not been influenced the ordinary production of oil well in oil well production simultaneously in addition, under the motionless flow string situation in ground, realize the oil production by layer of artificial control, positive effect is all arranged reducing operation.
Embodiment 4:
The utility model circuit working principle is as described below:
Among Fig. 3, arrive the layer position of required measurement when the instrument of going into the well after, send instruction by the computer in the terrestrial interface case 15, single-chip microcomputer in the downhole instrument is carried out " measurement " by instruction, " transmission ", " switch " task, at first open the inlet opening 12 of instrument bottom this moment in the device, make the liquid of measuring layer through tester, ground is delivered in effect through oil well pump 18, while pressure sensor TP, temperature pick up TLW, start working, the signal of telecommunication of gathering is delivered to D/A converting circuit IC3 convert data signal to, deliver to memory IC 4 again through single-chip microcomputer IC2, IC5 stores, computer sends reading command when ground, after corresponding instrument receives, the signal of storage is delivered to the computer on ground through communication module IC1 through cable, test result to corresponding stratum in the computer on ground is carried out inventory analysis, when the ground computer sends " opening; close " instruction to the instrument of equivalent layer position, receive by communication module IC1 through cable, deliver to single-chip microcomputer IC2, send " opening; close " signal, through executive circuit M1, M2, M3, M4 delivers on the motor M of power set 8, finish " opening; close " action, both " opened; close " corresponding test layer, in the test process, computer in the terrestrial interface case 15 can read the test layer signal of downhole instrument storage at any time, after all test layer tests finish, the signal of each corresponding test layer that the computer on ground will read, carry out analysis-by-synthesis in conjunction with well head liquid, the concrete layer position that final decision will be exploited, send instruction by ground-based computer again, open corresponding stratum, thereby reach the purpose of oil production by layer, can finish the utility model proposes of task thus.
Claims (4)
1, a kind of oil well is with oil production by layer zonal testing device, by cable (1) and cross tubing nipple (2), top connection (4), sheath (5), signal storage transmission control panel (6), power set (8), valve body (9), lower contact (13) and form; It is characterized in that: the described tubing nipple (2) of crossing links to each other with screw thread respectively with top connection (4), sheath (5) and lower contact (3), be provided with Instrument shell (7) in the sheath (5), in the inlet opening (12) of lower housing portion, be provided with sensor (10), signal storage in this sensor and the Instrument shell (7), transmission control panel (6) link to each other, this control panel links to each other with power set (8), cable (1) and mistake tubing nipple (2) by lead, and power set (8) passing hole channel communicates with the valve body (9) of below.
2, a kind of oil well according to claim 1 oil production by layer zonal testing device, it is characterized in that: described cable (1) passes from liquid-through hole (3) lower contact (13) internal bypass hole (11) and the inlet opening (12) in the top connection (4).
3, a kind of oil well according to claim 1 oil production by layer zonal testing device, it is characterized in that: the cable core in the described cable (1) is connected with signal transmission board (6), sensor (10), power set (8) and terrestrial interface case (15).
4, a kind of oil well according to claim 3 oil production by layer zonal testing device, it is characterized in that: described terrestrial interface case (15) comprises by flow temperature sensor TLW, pressure sensor TP, communication module IC1, single-chip microcomputer IC2, analog to digital conversion circuit IC3, memory IC 4, IC5, power module IC6, single-chip microcomputer holding circuit IC7, executive circuit M1, M2, M3, M4 and motor M and forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200898773U CN2881096Y (en) | 2006-03-14 | 2006-03-14 | Layered oil extracting and testing device for oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200898773U CN2881096Y (en) | 2006-03-14 | 2006-03-14 | Layered oil extracting and testing device for oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2881096Y true CN2881096Y (en) | 2007-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200898773U Expired - Fee Related CN2881096Y (en) | 2006-03-14 | 2006-03-14 | Layered oil extracting and testing device for oil well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2881096Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101878350A (en) * | 2007-11-30 | 2010-11-03 | 普拉德研究及开发股份有限公司 | Downhole, single trip, multi-zone testing system and downhole testing method using such |
| CN108626139A (en) * | 2018-07-12 | 2018-10-09 | 杭州乾景科技有限公司 | A kind of submersible electric pump exit parameter measuring apparatus |
-
2006
- 2006-03-14 CN CNU2006200898773U patent/CN2881096Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101878350A (en) * | 2007-11-30 | 2010-11-03 | 普拉德研究及开发股份有限公司 | Downhole, single trip, multi-zone testing system and downhole testing method using such |
| CN101878350B (en) * | 2007-11-30 | 2015-03-11 | 普拉德研究及开发股份有限公司 | Downhole, single trip, multi-zone testing system and downhole testing method using such |
| CN108626139A (en) * | 2018-07-12 | 2018-10-09 | 杭州乾景科技有限公司 | A kind of submersible electric pump exit parameter measuring apparatus |
| CN108626139B (en) * | 2018-07-12 | 2024-06-11 | 杭州乾景科技有限公司 | Submersible electric pump outlet parameter measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070321 Termination date: 20110314 |