CN205172560U - Oil well layering testing arrangement - Google Patents
Oil well layering testing arrangement Download PDFInfo
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- CN205172560U CN205172560U CN201520820257.1U CN201520820257U CN205172560U CN 205172560 U CN205172560 U CN 205172560U CN 201520820257 U CN201520820257 U CN 201520820257U CN 205172560 U CN205172560 U CN 205172560U
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Abstract
The utility model relates to an oil well layering testing arrangement belongs to oil recovery engineering test equipment technical field. Including ground controlling means, pumping device and testing string, wherein: the pumping device comprises cable head, direct current motor, drive unit, packing element, wireless receiver and urceolus, testing string comprises oil pipe, upper packer, test short circuit and lower packer. The cable drives the pumping flowing back that the pumping device can last great discharge capacity, and testing string is record test target zone formation pressure situation of change at any time to send ground receiving arrangement with the pressure variation condition through wireless transmitting and receiving arrangement, thereby acquire purpose formation testing data. Simulation production state acquires the true fluid in stratum to according to swabbing pressure continuous variation, carry out the analysis of pressure drop well testing, the comparatively accurate stratum parameters such as layering porosity, permeability, skin factor and productivity of further acquisition.
Description
Technical field
The utility model relates to oil well zonal testing device, belongs to petroleum production engineering testing equipment technical field.
Background technology
Oil well delamination measuring technology is the means obtaining the data such as oil well delamination formation parameter, pressure and production capacity.Oil well delamination data are most important to oil field development, but lack Validity Test technique.The examination of conventional pumping unit well surveying adopts annulus logging more, and by tester by entering oil pipe under cable and casing annulus is tested, what the method test data reflected is mixing material data in pit shaft, can not reflect strata division parameter.ZL200620117590.7 discloses a kind of device carrying out oil reservoir test one by one, be made up of sampler and manometer, sampler and manometer are holisticly get liquid manometer, and this device pumping piston is connected by chain link with pressure-testing sampler, can to oil well successively test pressure and sampling.But this device is formation packing in a static condition, then successively the pumping of packing stratum is tested, its pumping piston stroke limits by link length, and can only single pumping, be difficult to form stable pressure reduction near wellbore zone, the formation parameter errors such as the effective permeability of acquisition and skin factor are larger.
Utility model content
Main purpose of the present utility model is that the pumping discharge capacity that solution prior art exists is little, be difficult to form stable pressure reduction near wellbore zone, cause the defects such as test parameter error is large, provide a kind of single pumping discharge capacity large, and can the oil well zonal testing device of pumping repeatedly.
The purpose of this utility model is achieved in that the utility model comprises ground control unit, pumping means and test string, wherein: pumping means is made up of cable head, direct current generator, driver element, packing element, wireless receiver and urceolus, wherein cable head, direct current generator and wireless receiver successively cable be connected, be set with driver element, packing element successively from top to bottom between direct current generator and wireless receiver; Test string is made up of oil pipe, upper packer, test short circuit and lower packet, upper packer, test short circuit are connected with tubing round thread successively with lower packet, wherein test short circuit and comprise wireless launcher and pressure sensor, wireless launcher is connected with pressure sensor cable.
The beneficial effects of the utility model are: cable drives pumping means can carry out continuing the pumping discharge opeing compared with huge discharge, test string can record test purpose layer strata pressure situation of change at any time, and by wireless transmit and receiving system, pressure changing is sent to ground receiving wastewater facility, thus obtain object stratum test data.Simulated production state, obtains stratum real fluid, and according to swabbing pressure consecutive variations, carries out pressure fall-off test analysis, obtains the formation parameter such as layering degree of porosity, permeability, skin factor and production capacity comparatively accurately further.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1, the utility model comprises ground control unit 14, pumping means and test string, wherein: pumping means is made up of cable head 1, direct current generator 4, driver element 5, packing element 6, wireless receiver 7 and urceolus 8, wherein cable head 1, direct current generator 4 are connected with wireless receiver 7 successively cable, are set with driver element 5, packing element 6 from top to bottom successively between direct current generator 4 and wireless receiver 7; Test string is made up of oil pipe 12, upper packer 9, test short circuit and lower packet 13, upper packer 9, test short circuit and lower packet 13 are threaded with oil pipe 12 successively, wherein test short circuit and comprise wireless launcher 10 and pressure sensor 11, wireless launcher 10 is connected with pressure sensor 11 cable.
Be set with magnetic orientation coil 2 in described urceolus 8, accurately can judge the depth location of pumping means in pit shaft.
Be set with pressure sensor 3 in described urceolus 8, accurately can judge the liquid-column height above pumping means, grasp pumping means further at any time in subsurface submergence and pumping process, miss situation and pumping effect.
After test string of the present utility model has been assembled, be lowered into test purpose layer A place, make test purpose layer A between upper packer 9 and lower packet 13, and the setting lower packet 13 of difference and upper packer 9, cable is connected with the cable head 1 of pumping means, by pumping means below liquid level in oil pipe 12, by the depth of setting of the signal determination pumping means of magnetic orientation coil 2, determines that pumping means is in the subsurface degree of depth by pressure sensor 3, control direct current generator 4 by ground control unit 14 to rotate forward, drive driver element 5 descending, thus compression packing element 6 makes it expand, and be close to oil pipe 12 inwall, upper portable cable, packing element 6 and top fluid column is driven to rise, and discharged by well head, because packing element 6 top fluid column all rises, therefore single pumping liquid measure is large, when certain position mentioned by cable, control direct current generator 4 by ground control unit 14 to reverse, drive driver element 5 up, thus shrink packing element 6, under lower payout makes pumping means get back to liquid level, repeat to carry and decentralization process, carry out the pumping discharge opeing of many rounds huge discharge, thus form stable pressure reduction near wellbore zone, and the effective permeability of test purpose layer A is obtained by pressure fall-off test analytical method, the formation parameters such as skin factor, after target zone A has tested, above carry oil pipe 12, deblocking upper packer 9 and lower packet 13, above carry test string to test purpose layer B, again setting upper packer 9 and lower packet 13, and repeat pumping and pressure test according to above-mentioned steps.
Claims (3)
1. oil well zonal testing device, comprise ground control unit (14), pumping means and test string, it is characterized in that: pumping means is made up of cable head (1), direct current generator (4), driver element (5), packing element (6), wireless receiver (7) and urceolus (8), wherein cable head (1), direct current generator (4) are connected with wireless receiver (7) successively cable, are set with driver element (5), packing element (6) between direct current generator (4) and wireless receiver (7) from top to bottom successively; Test string is made up of oil pipe (12), upper packer (9), test short circuit and lower packet (13), upper packer (9), test short circuit and lower packet (13) are threaded with oil pipe (12) successively, wherein test short circuit and comprise wireless launcher (10) and pressure sensor (11), wireless launcher (10) is connected with pressure sensor (11) cable.
2. oil well zonal testing device according to claim 1, is characterized in that: be set with magnetic orientation coil (2) in described urceolus (8).
3. oil well zonal testing device according to claim 1, is characterized in that: be set with pressure sensor (3) in described urceolus (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520820257.1U CN205172560U (en) | 2015-10-22 | 2015-10-22 | Oil well layering testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520820257.1U CN205172560U (en) | 2015-10-22 | 2015-10-22 | Oil well layering testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205172560U true CN205172560U (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520820257.1U Active CN205172560U (en) | 2015-10-22 | 2015-10-22 | Oil well layering testing arrangement |
Country Status (1)
| Country | Link |
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| CN (1) | CN205172560U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2654086C1 (en) * | 2017-02-16 | 2018-05-16 | Акционерное общество "Новомет-Пермь" | Well completion method |
| CN108071387A (en) * | 2016-11-10 | 2018-05-25 | 中国石油天然气股份有限公司 | Device and method capable of detecting sealing performance of packer in real time during lower-return layer crossing-isolation test |
| CN108691539A (en) * | 2017-04-12 | 2018-10-23 | 中国石油天然气股份有限公司 | Sampler |
-
2015
- 2015-10-22 CN CN201520820257.1U patent/CN205172560U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071387A (en) * | 2016-11-10 | 2018-05-25 | 中国石油天然气股份有限公司 | Device and method capable of detecting sealing performance of packer in real time during lower-return layer crossing-isolation test |
| RU2654086C1 (en) * | 2017-02-16 | 2018-05-16 | Акционерное общество "Новомет-Пермь" | Well completion method |
| CN108691539A (en) * | 2017-04-12 | 2018-10-23 | 中国石油天然气股份有限公司 | Sampler |
| CN108691539B (en) * | 2017-04-12 | 2021-08-03 | 中国石油天然气股份有限公司 | Sampler |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |