CN203594370U - Built-in instrument type test pipe column - Google Patents
Built-in instrument type test pipe column Download PDFInfo
- Publication number
- CN203594370U CN203594370U CN201320599484.7U CN201320599484U CN203594370U CN 203594370 U CN203594370 U CN 203594370U CN 201320599484 U CN201320599484 U CN 201320599484U CN 203594370 U CN203594370 U CN 203594370U
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- Prior art keywords
- test string
- instrument
- main body
- pressure transmission
- built
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- 238000012360 testing method Methods 0.000 title claims abstract description 110
- 238000012544 monitoring process Methods 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 210000002445 nipple Anatomy 0.000 claims description 42
- 238000007789 sealing Methods 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 5
- 239000003129 oil well Substances 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000013461 design Methods 0.000 description 10
- 230000032798 delamination Effects 0.000 description 8
- 238000010276 construction Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- XQCFHQBGMWUEMY-ZPUQHVIOSA-N Nitrovin Chemical compound C=1C=C([N+]([O-])=O)OC=1\C=C\C(=NNC(=N)N)\C=C\C1=CC=C([N+]([O-])=O)O1 XQCFHQBGMWUEMY-ZPUQHVIOSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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Abstract
The utility model discloses a built-in instrument formula test string is equipped with test string main part and instrument working barrel. The top of the testing pipe column main body is connected with an upper coupling, and the bottom of the testing pipe column main body is connected with a lower coupling; a through hole structure and a blind hole structure are axially arranged in the test string body, a circulation channel penetrating through two ends of the test string body is arranged in the through hole structure, and a pressure transmission cavity with a closed top end is arranged in the blind hole structure; at least one pressure transmission hole is formed in the pipe wall of the testing pipe column main body and communicated with the pressure transmission cavity and a space outside the testing pipe column main body; the top end of the instrument working barrel is communicated with the bottom end of the pressure transmission cavity, and a monitoring instrument is installed in the instrument working barrel. The utility model discloses a built-in instrument formula test string not only can cooperate test instrument, packer to accomplish the oil well layering test, can provide the change condition of each oil reservoir pressure of this oil well simultaneous test, temperature at the in-process of production moreover, and oil well can produce in the test process.
Description
Technical field
The utility model relates to monitoring device, be applied in petroleum industry in particular to one and recover the oil in monitoring, for oil well delamination test execute man-hour requirement oil well different layers position pressure, temperature data are monitored respectively and design a kind of monitoring instrument is installed to built-in instrumentation style test string therein.
Background technology
Oil well delamination test is a kind of means of understanding strata pressure system, zonal testing construction adopts a tubing string operation will organize under monitoring instrument to oil well different layers position more, test respectively pressure, the temperature data of oil well different layers position, by the analysis of the pressure to oil well different layers position, temperature data, can provide analyzable data to next step working design of this well, each payzone is adopted various measures and exploitation targetedly targetedly.
At present, domestic each oil field, in oil well delamination field tests, is not exclusively used in the monitoring equipment of zonal testing, and what generally adopt is conventional method of testing.Conventional method of testing is that monitoring instrument 2 ' is arranged in conventionally test holder cylinder, according to design by the holder cylinder that monitoring instrument is housed with under working string to corresponding oil reservoir 1 ', 5 ' test layer position, between every one deck, adopt dead stifled 4 ' to separate in outside packer 3 ' packing, the inside of adopting of tubing string, see Fig. 1.The cooperation that need to stop production of this method of testing, what coordinate that this method of testing adopts is traditional slip-type packer, slip-type packer puts the formula of putting on adopting or rotation mode sets, more common at conventionally test and straight well zonal testing application; Along with increasing of inclined shaft, sidetracked hole and slim hole well, on this slip-type packer, put the formula of putting or revolving working method is not suitable for these hole conditions, test success rate is low, when test, can only adopt inflatable packer to suppress sets, and have through hole on conventionally test holder cylinder, can not complete and suppress set packer.Therefore design a kind of tubing string for oil well delamination test installation monitoring instrument.
Prior art:
1 ': oil reservoir 2 ': monitoring instrument 3 ': packer
4 ': extremely block up 5 ': oil reservoir
The utility model:
1: upper box cupling 2: test string main body 3: sealing ring
4: damping spring 5: monitoring instrument 6: instrument seating nipple
7: plug 8: oil pipe short circuit 9: pressure transmission hole
10: pressure transmission chamber 11: lower box cupling
Utility model content
The technical problem that the utility model solves is to provide a kind of built-in instrumentation style test string, completes oil well delamination test construction dynamic monitoring.
Technical solution of the present utility model is:
A kind of built-in instrumentation style test string, wherein, is provided with:
Test string main body, its top is connected with box cupling, and bottom is connected with lower box cupling; Its inside is provided with through-hole structure and blind hole structure vertically, is provided with the circulation passage that runs through described test string main body two ends in described through-hole structure, is provided with the pressure transmission chamber of top closure in described blind hole structure; At least one pressure transmission hole is opened on the tube wall of described test string main body, and is communicated with the space outside described pressure transmission chamber and described test string main body;
Instrument seating nipple, its top is communicated with the bottom in described pressure transmission chamber, in described instrument seating nipple, monitoring instrument is installed.
Above-mentioned built-in instrumentation style test string, wherein, described instrument seating nipple bottom is provided with to load and unload the opening of monitoring instrument, and described opening part is provided with plug.
Above-mentioned built-in instrumentation style test string, wherein, in described instrument seating nipple, the two ends of described monitoring instrument are provided with damping spring.
Above-mentioned built-in instrumentation style test string, wherein, described instrument seating nipple and described test string main body are Split type structure, described instrument seating nipple top is fixedly connected with bottom, described pressure transmission chamber, and connecting portion is provided with sealing ring.
Above-mentioned built-in instrumentation style test string, wherein, the connecting portion between described plug and described instrument seating nipple is provided with sealing ring.
Above-mentioned built-in instrumentation style test string, wherein, described instrument seating nipple and described test string main body are integral type structure, and bottom, described pressure transmission chamber is provided with the stage portion of supporting stationary monitoring instrument.
Learnt by above explanation, the utility model compared with prior art, can reach following effect really:
The utility model is simple in structure, reliable operation, by box cupling be connected in tubing string with under working string to design level position, when test string body interior completes oil well production or test construction for liquid mobile, packer is suppressed and is set, monitoring instrument is arranged on test string body interior, monitor the variation of the pressure and temperature data on corresponding stratum, complete zonal testing construction dynamic monitoring.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of conventional zonal testing tubing string;
Fig. 2 is the structural representation of built-in instrumentation style test string of the present utility model.
Critical element label declaration:
The specific embodiment
The built-in instrumentation style test string of one of the present utility model is provided with: test string main body and instrument seating nipple.Described test string main body top is connected with box cupling, and bottom is connected with lower box cupling; Its inside is provided with through-hole structure and blind hole structure vertically, is provided with the circulation passage that runs through described test string main body two ends in described through-hole structure, is provided with the pressure transmission chamber of top closure in described blind hole structure; At least one pressure transmission hole is opened on the tube wall of described test string main body, and is communicated with the space outside described pressure transmission chamber and described test string main body; Described instrument seating nipple top is communicated with the bottom in described pressure transmission chamber, in described instrument seating nipple, monitoring instrument is installed.Built-in instrumentation style test string of the present utility model not only can coordinate tester, packer to complete oil well delamination test, and can provide this oil well one deck in the process of producing, to test the situation of change of the each formation pressure of this oil well, temperature simultaneously, in test process, oil well can be produced.
When the utility model provides a kind of oil well delamination test, monitoring instrument is installed to test string therein, this test string is connected in the middle of working string by box cupling, and under determining according to test design, deep-seated is put, to guarantee that monitoring instrument is positioned at target zone position.Test string body interior has installation site and the mobile passage of fluid that monitoring instrument is installed, and monitoring instrument is arranged on test string body interior, completes oil well delamination test construction dynamic monitoring.
Understand for technical characterictic of the present utility model, object and effect being had more clearly, now contrast accompanying drawing the specific embodiment of the present utility model is described.
Refer to shown in Fig. 2, the structural representation of a kind of built-in instrumentation style test string of the present utility model, in its preferred embodiment, this built-in instrumentation style test string is provided with test string main body 2 and instrument seating nipple.The top of described test string main body 2 is connected with box cupling 1, and its bottom is connected with lower box cupling 11; Described upper box cupling is connected with top oil pipe, described lower box cupling is connected with oil pipe short circuit 8 its inside and is provided with vertically through-hole structure and blind hole structure, in described through-hole structure, be provided with the circulation passage that runs through described test string main body 2 two ends, in described blind hole structure, be provided with the pressure transmission chamber 10 of top closure; At least one pressure transmission hole 9 is opened on the tube wall of described test string main body 2, and is communicated with the space outside described pressure transmission chamber 10 and described test string main body 2; The top of described instrument seating nipple 6 is communicated with the bottom in described pressure transmission chamber 10, in described instrument seating nipple 6, monitoring instrument 5 is installed.Whereby, by pressure transmission hole, make the environmental communication of pressure transmission chamber and the tubing string external space, monitoring instrument can detect the state parameter in pressure transmission chamber, to obtain the state parameter of the tubing string external space, comprises temperature, pressure etc.
Built-in instrumentation style test string as above, it is preferably in embodiment, and described instrument seating nipple 6 bottoms are provided with to load and unload the opening of monitoring instrument 5, and described opening part is provided with plug 7, so that the dismounting of monitoring instrument and replacing monitoring instrument, and be locked via plug.
Built-in instrumentation style test string as above, it is preferably in embodiment, and the connecting portion between described plug 7 and described instrument seating nipple 6 is provided with sealing ring 3, in order to guarantee the sealingly secure of instrument seating nipple inside.
Built-in instrumentation style test string as above, it is preferably in embodiment, and in described instrument seating nipple 6, the two ends of described monitoring instrument 5 are provided with damping spring 4, for stationary monitoring instrument 5, the impact while reducing to construct, the infringement of vibrations to monitoring instrument 5.
Built-in instrumentation style test string as above, it is preferably in embodiment, described instrument seating nipple 6 is Split type structure with described test string main body 2, and described instrument seating nipple 6 tops are fixedly connected with 10 bottoms, described pressure transmission chamber, and connecting portion is provided with sealing ring 3.As shown in the figure, instrument seating nipple 6 is connected with the bottom end opening in described pressure transmission chamber 10 by its front end, and seals via sealing ring 3, whereby, makes whole instrument seating nipple and internal monitoring instrument thereof can do as a whole and take off.
Built-in instrumentation style test string as above, in its preferred embodiment, described instrument seating nipple 6 is integral type structure with described test string main body 2, and 10 bottoms, described pressure transmission chamber are provided with the stage portion of supporting stationary monitoring instrument 5.In this kind of embodiment, instrument seating nipple 6 and the structure that described test string main body 2 is formed in one, can strengthen bulk strength and the sealing performance of instrument seating nipple.Locate described monitoring instrument by described stage portion.
So that in Fig. 2, preferably embodiment is as example, its concrete structure is as follows:
The test string main body 2 of the built-in instrumentation style test string of the utility model is connected to the middle test layer position of working string place by box cupling 1, there are a through-hole structure and a blind hole structure in test string main body 2 inside, through-hole structure is suppressed flowing of fluid while setting for inflatable packer, also the flow channel of fluid while can be used as oil well production, realize the test in oil pumping process, produce without stopping.2 indoor designs of test string main body have the pressure transmission chamber 10 of blind hole structure, pressure transmission chamber 10 is positioned in test string outer wall one side has pressure transmission hole 9 for transmitting temperature, the pressure on corresponding stratum, pressure transmission chamber 10 bottom connecting test instrument seating nipples 6, monitoring instrument 5 is arranged in instrument seating nipple 6, experiences the variation of formation temperature, pressure by pressure transmission chamber 10.In tester seating nipple 6, be designed with damping spring 4, for stationary monitoring instrument 5, the impact while reducing to construct, the infringement of vibrations to instrument; Monitoring instrument 5 is arranged in instrument seating nipple 6, is fixed by plug 7.On tester seating nipple 6 and test string main body 2 junctions and tester seating nipple 6 and plug 7 junctions, there is sealing ring 3, guarantee that instrument seating nipple 6 inside and pressure transmission chamber 10 and test string main body 2 are inner isolated, the temperature, pressure that monitoring instrument 5 is experienced the outside equivalent layer of test string main body 2 position at instrument seating nipple 6 withins changes.When construction, monitoring instrument 5 is programmed according to working design on ground, be arranged in this built-in instrumentation style test string, remove design level position with working string one, complete zonal testing construction dynamic monitoring.
The foregoing is only the schematic specific embodiment of the utility model, not in order to limit scope of the present utility model.Any those skilled in the art, is not departing from equivalent variations and the modification under the prerequisite of design of the present utility model and principle, done, all should belong to the scope of the utility model protection.
Claims (6)
1. a built-in instrumentation style test string, is characterized in that, is provided with:
Test string main body, its top is connected with box cupling, and bottom is connected with lower box cupling; Its inside is provided with through-hole structure and blind hole structure vertically, is provided with the circulation passage that runs through described test string main body two ends in described through-hole structure, is provided with the pressure transmission chamber of top closure in described blind hole structure; At least one pressure transmission hole is opened on the tube wall of described test string main body, and is communicated with the space outside described pressure transmission chamber and described test string main body;
Instrument seating nipple, its top is communicated with the bottom in described pressure transmission chamber, in described instrument seating nipple, monitoring instrument is installed.
2. built-in instrumentation style test string as claimed in claim 1, is characterized in that, described instrument seating nipple bottom is provided with to load and unload the opening of monitoring instrument, and described opening part is provided with plug.
3. built-in instrumentation style test string as claimed in claim 1, is characterized in that, in described instrument seating nipple, the two ends of described monitoring instrument are provided with damping spring.
4. built-in instrumentation style test string as claimed in claim 1, is characterized in that, described instrument seating nipple and described test string main body are Split type structure, and described instrument seating nipple top is fixedly connected with bottom, described pressure transmission chamber, and connecting portion is provided with sealing ring.
5. built-in instrumentation style test string as claimed in claim 2, is characterized in that, the connecting portion between described plug and described instrument seating nipple is provided with sealing ring.
6. built-in instrumentation style test string as claimed in claim 1, is characterized in that, described instrument seating nipple and described test string main body are integral type structure, and bottom, described pressure transmission chamber is provided with the stage portion of supporting stationary monitoring instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320599484.7U CN203594370U (en) | 2013-09-25 | 2013-09-25 | Built-in instrument type test pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320599484.7U CN203594370U (en) | 2013-09-25 | 2013-09-25 | Built-in instrument type test pipe column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203594370U true CN203594370U (en) | 2014-05-14 |
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ID=50675265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320599484.7U Expired - Fee Related CN203594370U (en) | 2013-09-25 | 2013-09-25 | Built-in instrument type test pipe column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203594370U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761670A (en) * | 2016-12-05 | 2017-05-31 | 吉艾（天津）石油工程技术服务有限公司 | A kind of ball-throwing type method for releasing |
| CN109236268A (en) * | 2017-06-30 | 2019-01-18 | 中国石油天然气股份有限公司 | Real-time monitoring device for underground injection flow and injection pressure |
| CN113638736A (en) * | 2020-04-23 | 2021-11-12 | 中国石油天然气股份有限公司 | Underground temperature and pressure measuring device |
-
2013
- 2013-09-25 CN CN201320599484.7U patent/CN203594370U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761670A (en) * | 2016-12-05 | 2017-05-31 | 吉艾（天津）石油工程技术服务有限公司 | A kind of ball-throwing type method for releasing |
| CN109236268A (en) * | 2017-06-30 | 2019-01-18 | 中国石油天然气股份有限公司 | Real-time monitoring device for underground injection flow and injection pressure |
| CN113638736A (en) * | 2020-04-23 | 2021-11-12 | 中国石油天然气股份有限公司 | Underground temperature and pressure measuring device |
| CN113638736B (en) * | 2020-04-23 | 2023-12-22 | 中国石油天然气股份有限公司 | Underground temperature and pressure measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 Termination date: 20210925 |
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| CF01 | Termination of patent right due to non-payment of annual fee |