CN207245703U - Horizontal well produced fluid cross section tubing string - Google Patents
Horizontal well produced fluid cross section tubing string Download PDFInfo
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- CN207245703U CN207245703U CN201721186427.0U CN201721186427U CN207245703U CN 207245703 U CN207245703 U CN 207245703U CN 201721186427 U CN201721186427 U CN 201721186427U CN 207245703 U CN207245703 U CN 207245703U
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- tracer
- tube body
- tubing string
- horizontal well
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Abstract
The utility model discloses a kind of horizontal well produced fluid cross section tubing string, including tube body, the array test suite that is disposed on tube body periphery；The test suite includes expansion type isolator, screen casing and the tracer pipe nipple to connect successively, and the screen casing is connected with tubular body；The tracer pipe nipple include be arranged on tube wall tracer bar, be set in the tracer bar periphery and the porous protective sleeve being connected with tube body.The horizontal well produced fluid cross section tubing string of the utility model, it can ensure in oil well production, most produced fluids in each packing section can come into full contact with tracer, and tracer will not be in contact with the fluid in tube body and cause to discharge, the output concentration of different oil, water tracer is tested by well head, obtains each section of oil-producing, production water section.Whole test process, it is only necessary to which by tubing string tripping in horizontal segment, no additional risk, reduces testing cost, realizes the long term monitoring of each section of production profile in the tracer term of validity.
Description
Technical field
It the utility model is related to oil extraction in oil field technical field, more particularly to a kind of horizontal well produced fluid cross section tubing string.
Background technology
Each oilfield horizontal well development well number increases year by year in recent years, and rate of water cut increase, which comparatively fast becomes, influences horizontal wells
Main problem.The identification of production profile acquisition of information, particularly EXIT POINT, water measure system is subsequently controlled for oilfield horizontal well
Fixed, similar well water outlet law study, there is very important meaning.
At present horizontal well produced fluid cross section mainly using coiled tubing or crawl device by test equipment bring into well into
Row test, there are problems with for this method：Testing tool is complicated, exists and meets card risk；Part well test is limited be subject to tubing string；Need
Tubing string is moved, task difficulty is big；Testing cost is high；Reflection test phase liquid generated underground (production water) situation is only capable of, can not be supervised for a long time
Survey；Due to needing running string, true (during fixed tubular column) production status can not be reduced；There are grease differentiation, test misses
Difference is larger.
Based on problem above, it is necessary to design it is a kind of it is convenient, reliable, can long term monitoring test string.
Utility model content
The technical problems to be solved in the utility model is, there is provided it is a kind of it is convenient, reliable, can long term monitoring horizontal well production
Liquid section plane test tubing string.
Technical solution is used by the utility model solves its technical problem：A kind of horizontal well produced fluid cross section is provided
Tubing string, including tube body, the array test suite that is disposed on the tube body periphery；
The test suite includes expansion type isolator, screen casing and the tracer pipe nipple to connect successively, the screen casing and institute
Tubular body is stated to be connected；Tracer bar that the tracer pipe nipple includes being arranged on the tube wall, be set in it is described
Tracer bar periphery and the porous protective sleeve being connected with the tube body.
Preferably, the tracer bar includes at least one slow-release solid oil-soluble tracer bar and at least one sustained release is solid
Body water-soluble tracer bar；The slow-release solid oil-soluble tracer bar and sustained release solid, water soluble tracer bar are side-by-side or staggered
It is arranged on the tube wall.
Preferably, the tracer pipe nipple further includes the baffle ring being connected to the porous protective sleeve on the tube body；
The baffle ring is equipped with two, positioned at the both ends of the tracer bar and is connected to respectively on the tube body, described more
The both ends of hole protective case are connected on the baffle ring.
Preferably, the one end of the baffle ring away from the porous protective sleeve is equipped with chamfered section.
Preferably, on the tube wall, the thickness of the baffle ring is more than the thickness of the tracer bar.
Preferably, the length of the screen casing is 20-30m.
Preferably, the length of the tracer pipe nipple is 6-12m.
Preferably, the horizontal well produced fluid cross section tubing string further includes the silk being connected on the end of described tube body one end
It is stifled.
Preferably, the end of the tube body is tapered.
The beneficial effects of the utility model：It can ensure in oil well production, most produced fluids in each packing section
It can be come into full contact with tracer, and tracer will not be in contact with the fluid in tube body and cause to discharge, and be surveyed by well head
Different oil, the output concentration of water tracer are tried, obtains each section of oil-producing, production water section.Whole test process, it is only necessary to by tubing string tripping in
Horizontal segment, no additional risk, substantially reduces testing cost；Realize the long-term prison of each section of production profile in the tracer term of validity
Survey.
Brief description of the drawings
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing：
Fig. 1 is that cross-section structure of the horizontal well produced fluid cross section tubing string of one embodiment of the utility model in horizontal well shows
It is intended to；
Fig. 2 be one embodiment of the utility model horizontal well produced fluid cross section tubing string in tracer pipe nipple coordinate in tube body
On structure diagram.
Embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, it is detailed now to compare attached drawing
Illustrate specific embodiment of the present utility model.
As shown in Figure 1, the horizontal well produced fluid cross section tubing string of one embodiment of the utility model, including tube body 10, interval
The array test suite 20 being arranged on 10 periphery of tube body.When in test string tripping in the horizontal well, according to each in horizontal well
The position of a packing section, test suite 20 is sent to corresponding packing section.
Tube body 10 can specially make the tube body as test string, can also use the oil pipe of oil producing operation use etc..
Array test suite 20 is disposed on tube body 10 according to the distribution of packing section.Each group of test suite 20 is equal
It may include the expansion type isolator 21, screen casing 22 and tracer pipe nipple 23 to connect successively.Screen casing 22 with being connected inside tube body 10,
So that produced fluid is entered in tube body 10 by screen casing 22 in horizontal well, and conveyed by tube body 10 to outside well.
Wherein, in test suite 20, expansion type isolator 21 is met oil chance water and be may expand, close to well head one on tube body 10
Side, and the then side in well of tracer pipe nipple 23.The number and placement location of expansion type isolator 21, by oil reservoir and geology
Condition and well logging result determine.Screen casing 22 between expansion type isolator 21 and tracer pipe nipple 23, hole density thereon and
Aperture is mainly set according to specific horizontal well situation.The length of screen casing 22, it is true by 22 type of screen casing, 22 area of passage of screen casing
It is fixed.In general, 22 length of screen casing takes 20-30m in each packing section.
As shown in Fig. 2, tracer pipe nipple 23 include be arranged on 10 outer wall of tube body tracer bar 231, be set in tracer
231 periphery of agent bar and the porous protective sleeve 232 being connected with tube body 10.The length of tracer pipe nipple 23 can be 6-12m.
Tracer bar 231 includes at least one slow-release solid oil-soluble tracer bar and at least one slow-release solid is water-soluble
Tracer bar；Solid, water soluble tracer bar is side-by-side or staggered is arranged on tube body 10 for slow-release solid oil-soluble tracer bar and sustained release
On outer wall.
Wherein, slow-release solid oil-soluble tracer strip adoption thermosetting resin and Polyhalogenated aromatic hydrocarbons material mixing, shaping
Post-processing is formed for strip.Slow-release solid oil-soluble tracer bar meets fry dried food ingredients life slowly release, release concentration and oil production into than
Example.
Slow-release solid water-soluble tracer strip adoption thermosetting resin is mixed with fluorobenzene acid, and shaping post-processing is bar
Shape is formed.Slow-release solid water-soluble tracer bar meets water and occurs slowly to discharge, and rate of release is proportional to water yield.
Tracer bar 231 is long-term sustained release tracer, in the tracer term of validity, can be repeatedly used.
Further, tracer pipe nipple 23 may also include the baffle ring 233 being connected to porous protective sleeve 232 on tube body 10.
In the present embodiment, baffle ring 233 is equipped with two, positioned at the both ends of tracer bar 231 and is connected to respectively on tube body 10, porous protection
The both ends of set 232 are connected on baffle ring 233.
Using being made with 10 phase same material of tube body, three can be by being welded to connect one for baffle ring 233, porous protective sleeve 232
Rise.
Preferably, the one end of baffle ring 233 away from porous protective sleeve 232 is equipped with chamfered section 234, avoids 233 end of baffle ring
Wedge angle scuffing personnel etc..
On 10 outer wall of tube body, the thickness of baffle ring 233 is more than the thickness of tracer bar 231, so as to avoid porous protection
Set 232 is pressed on tracer bar 231, influences the normal use of tracer bar 231.
Further, the horizontal well produced fluid cross section tubing string of the utility model, which further includes, is connected to 10 one end end of tube body
On silk plug 30.The end of tube body 10 is tapered, easy to the connection of silk plug 30.
In horizontal well, silk plug 30 is located at tube body 10 in horizontal hole on one end at toe.
With reference to Fig. 1,2, when the horizontal well produced fluid cross section tubing string of the utility model carries out test jobs, according to horizontal well
Oil reservoir and geological conditions and well logging are as a result, determine the placement location of horizontal well in segments number and inflatable packer 21.Will test
In tubing string tripping in horizontal hole, it is ensured that each inflatable packer 21 is down toward designated position.Most outputs in each packing section
Fluid (as shown by the arrows in Figure 1) can come into full contact with tracer bar 231, and tracer bar 231 will not with tube body 10
Fluid is in contact and causes to discharge.Grease sample is obtained by well head, utilizes oil in gas chromatograph-mass spectrometer (GC-MS) test oil
Dissolubility tracer concentration, and water-soluble tracer concentration in water, so as to obtain each section of oil-producing, production water section.
When the utility model is used, it is only necessary to which, by test string tripping in horizontal segment, easy to operate, no additional risk, drops significantly
Low testing cost, and realize the long term monitoring of each section of production profile in the tracer term of validity.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly used in
Other related technical areas, are equally included in the patent within the scope of the utility model.
Claims (9)
1. a kind of horizontal well produced fluid cross section tubing string, it is characterised in that including tube body（10）, be disposed on the tube body
（10）Array test suite on periphery（20）；
The test suite（20）Including the expansion type isolator to connect successively（21）, screen casing（22）With tracer pipe nipple（23）,
The screen casing（22）With the tube body（10）Inside is connected；The tracer pipe nipple（23）Including being arranged on the tube body（10）
Tracer bar on outer wall（231）, be set in the tracer bar（231）Periphery and with the tube body（10）The porous guarantor of connection
Sheath（232）.
2. horizontal well produced fluid cross section tubing string according to claim 1, it is characterised in that the tracer bar（231）
Including at least one slow-release solid oil-soluble tracer bar and at least one slow-release solid water-soluble tracer bar；The sustained release is solid
Solid, water soluble tracer bar is side-by-side or staggered is arranged on the tube body for body oil-soluble tracer bar and sustained release（10）On outer wall.
3. horizontal well produced fluid cross section tubing string according to claim 1, it is characterised in that the tracer pipe nipple（23）
Further include the porous protective sleeve（232）It is connected to the tube body（10）On baffle ring（233）；
The baffle ring（233）Equipped with two, respectively positioned at the tracer bar（231）Both ends and be connected to the tube body（10）
On, the porous protective sleeve（232）Both ends be connected to the baffle ring（233）On.
4. horizontal well produced fluid cross section tubing string according to claim 3, it is characterised in that the baffle ring（233）It is remote
The porous protective sleeve（232）One end be equipped with chamfered section（234）.
5. horizontal well produced fluid cross section tubing string according to claim 3, it is characterised in that in the tube body（10）Outer wall
On, the baffle ring（233）Thickness be more than the tracer bar（231）Thickness.
6. horizontal well produced fluid cross section tubing string according to claim 1, it is characterised in that the screen casing（22）Length
For 20-30m.
7. horizontal well produced fluid cross section tubing string according to claim 1, it is characterised in that the tracer pipe nipple（23）
Length be 6-12m.
8. according to claim 1-7 any one of them horizontal well produced fluid cross section tubing strings, it is characterised in that the horizontal well
Producing profile testing tubing string, which further includes, is connected to the tube body（10）Silk plug on the end of one end（30）.
9. horizontal well produced fluid cross section tubing string according to claim 8, it is characterised in that the tube body（10）It is described
End is tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721186427.0U CN207245703U (en) | 2017-09-15 | 2017-09-15 | Horizontal well produced fluid cross section tubing string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721186427.0U CN207245703U (en) | 2017-09-15 | 2017-09-15 | Horizontal well produced fluid cross section tubing string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207245703U true CN207245703U (en) | 2018-04-17 |
Family
ID=61889031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721186427.0U Active CN207245703U (en) | 2017-09-15 | 2017-09-15 | Horizontal well produced fluid cross section tubing string |
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| CN (1) | CN207245703U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505990A (en) * | 2018-07-05 | 2018-09-07 | 西南石油大学 | A kind of down-hole oil tube tracer transmission groundwater prospecting method and device |
| CN108952656A (en) * | 2018-06-12 | 2018-12-07 | 中国石油天然气股份有限公司 | Multi-section fractured horizontal well liquid production profile testing method and pipe column |
| CN109025976A (en) * | 2018-08-29 | 2018-12-18 | 西安石油大学 | A kind of slow-release tracer surveys horizontal well production profile experimental provision and experimental method |
| CN109162706A (en) * | 2018-11-06 | 2019-01-08 | 西安石油大学 | A kind of well-case perforating horizontal well liquid production section test device, production test integral tubular column and test method |
| CN109469481A (en) * | 2018-12-25 | 2019-03-15 | 北京大德广源石油技术服务有限公司 | Chemical combination tracer and its application method |
| CN109707373A (en) * | 2018-12-17 | 2019-05-03 | 西安石油大学 | A kind of two-way tracing method of horizontal well-straight well based on producing profile testing and inter-well tracer test |
| CN110206532A (en) * | 2019-05-27 | 2019-09-06 | 中国海洋石油集团有限公司 | The monitoring of horizontal well output and intelligent control integratedization completion tool and application method |
| CN110905455A (en) * | 2019-12-03 | 2020-03-24 | 安东石油技术（集团）有限公司 | Tracing sieve tube |
| CN112302579A (en) * | 2020-11-04 | 2021-02-02 | 中国石油大学(北京) | Horizontal well subsection sand prevention water plugging system and method |
| CN112593928A (en) * | 2020-05-29 | 2021-04-02 | 中国海洋石油集团有限公司 | Method for monitoring production fluid profile of horizontal well with medium and high water content for long time by using tracer |
| CN118030044A (en) * | 2024-02-29 | 2024-05-14 | 捷贝通石油技术集团股份有限公司 | Method and device for monitoring productivity profile of long-acting tracer in real time |
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2017
- 2017-09-15 CN CN201721186427.0U patent/CN207245703U/en active Active
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952656A (en) * | 2018-06-12 | 2018-12-07 | 中国石油天然气股份有限公司 | Multi-section fractured horizontal well liquid production profile testing method and pipe column |
| CN108505990A (en) * | 2018-07-05 | 2018-09-07 | 西南石油大学 | A kind of down-hole oil tube tracer transmission groundwater prospecting method and device |
| CN109025976A (en) * | 2018-08-29 | 2018-12-18 | 西安石油大学 | A kind of slow-release tracer surveys horizontal well production profile experimental provision and experimental method |
| CN109162706A (en) * | 2018-11-06 | 2019-01-08 | 西安石油大学 | A kind of well-case perforating horizontal well liquid production section test device, production test integral tubular column and test method |
| CN109707373B (en) * | 2018-12-17 | 2022-06-14 | 西安石油大学 | Horizontal well-vertical well bidirectional tracing method based on fluid production profile test and inter-well tracing |
| CN109707373A (en) * | 2018-12-17 | 2019-05-03 | 西安石油大学 | A kind of two-way tracing method of horizontal well-straight well based on producing profile testing and inter-well tracer test |
| CN109469481B (en) * | 2018-12-25 | 2019-09-03 | 北京大德广源石油技术服务有限公司 | Chemical combination tracer and its application method |
| CN109469481A (en) * | 2018-12-25 | 2019-03-15 | 北京大德广源石油技术服务有限公司 | Chemical combination tracer and its application method |
| CN110206532A (en) * | 2019-05-27 | 2019-09-06 | 中国海洋石油集团有限公司 | The monitoring of horizontal well output and intelligent control integratedization completion tool and application method |
| CN110905455A (en) * | 2019-12-03 | 2020-03-24 | 安东石油技术（集团）有限公司 | Tracing sieve tube |
| CN112593928A (en) * | 2020-05-29 | 2021-04-02 | 中国海洋石油集团有限公司 | Method for monitoring production fluid profile of horizontal well with medium and high water content for long time by using tracer |
| CN112593928B (en) * | 2020-05-29 | 2023-08-25 | 中国海洋石油集团有限公司 | Method for long-term monitoring of medium-high water content horizontal well production fluid profile by using tracer |
| CN112302579A (en) * | 2020-11-04 | 2021-02-02 | 中国石油大学(北京) | Horizontal well subsection sand prevention water plugging system and method |
| CN118030044A (en) * | 2024-02-29 | 2024-05-14 | 捷贝通石油技术集团股份有限公司 | Method and device for monitoring productivity profile of long-acting tracer in real time |
| CN118030044B (en) * | 2024-02-29 | 2024-06-14 | 捷贝通石油技术集团股份有限公司 | Method and device for monitoring productivity profile of long-acting tracer in real time |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC (China) Co., Ltd. Shenzhen Branch Patentee after: China Offshore Oil Group Co., Ltd. Co-patentee after: CNOOC Energy Development Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC (China) Co., Ltd. Shenzhen Branch Patentee before: China National Offshore Oil Corporation Co-patentee before: CNOOC Energy Development Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |