CN108104801A - A kind of horizontal well tracer producing profile testing tubing string and method - Google Patents
A kind of horizontal well tracer producing profile testing tubing string and method Download PDFInfo
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- CN108104801A CN108104801A CN201711492299.7A CN201711492299A CN108104801A CN 108104801 A CN108104801 A CN 108104801A CN 201711492299 A CN201711492299 A CN 201711492299A CN 108104801 A CN108104801 A CN 108104801A
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- 238000012360 testing method Methods 0.000 title claims abstract description 118
- 239000000700 radioactive tracer Substances 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 claims abstract description 28
- 239000003129 oil well Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000005086 pumping Methods 0.000 claims abstract description 20
- 210000002445 nipple Anatomy 0.000 claims description 29
- 239000012530 fluid Substances 0.000 claims description 23
- 230000008676 import Effects 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 238000010924 continuous production Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 230000008602 contraction Effects 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract description 2
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000004043 responsiveness Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010795 Steam Flooding Methods 0.000 description 1
- 238000010796 Steam-assisted gravity drainage Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/10—Locating fluid leaks, intrusions or movements
- E21B47/11—Locating fluid leaks, intrusions or movements using tracers; using radioactivity
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention belongs to oil extraction in oil field technical fields, more particularly to a kind of horizontal well tracer producing profile testing tubing string and method, including being oriented to silk plug, tail pipe, test cell, oil pipe, oil well pump and sucker rod, guide wire blocks end and passes through tail pipe connecting test unit, test cell upper end connects oil well pump by oil pipe, oil well pump upper end connected pipes and the sucker rod being located in oil pipe, oil pipe is connected to well head, sucker rod connects ground oil pumping system, it solves the problems, such as not use the device and method of tracer test production profile in oil well in the prior art, the present invention can efficiently complete horizontal well and be particularly the flat multistage producing profile testing of low liquid measure machine water acquisition, it is easy for construction, operation is simple, Contraction in Site cost can be reduced.
Description
Technical field
The invention belongs to oil extraction in oil field technical fields, and in particular to a kind of horizontal well tracer producing profile testing tubing string and
Method.
Background technology
With the extension of oil field development time, Horizontal Well number gradually increases, it is necessary to often during horizontal wells
Test segmentation production profile grasps underground and goes out liquid situation in time, and foundation is provided for water injection of horizontal well modification scenario and later stage water blockoff.
Since the test well section of horizontal well is horizontal, it can not utilize instrument dead weight strength that instrument is sent to test well section.It is horizontal at present
Well producing profile testing technique mostly by casing use tugger drive combined test instrument bring into down-hole horizontal section into
Row test.Crawl device method test equipment involves great expense, of high cost.
The small traffic level well test responsiveness of test is low in casing simultaneously, there are problems that test result distortion.Therefore,
Horizontal well produced fluid cross section can not carried out preferably and widely, particularly the production profile of small flow machine water acquisition horizontal well point
Section test is more difficult.
At present, tracer monitoring technology is very extensive in field use, water drive, non-phase-mixing driving, polymer flooding, steam drive,
There is application in the various displacement of reservoir oil engineerings such as SAGD, be mainly used for monitoring the connected relation between injection-production well, grasp pushing away for injection water
It is distributed into direction, displacement velocity, sweep area and reservoir heterogeneity and remaining oil saturation, in addition to tracer monitoring technology
Be also used for evaluation fracturing fracture developmental state and tracer generally evaluate the row's of returning situation of fracturing fluid.But there is presently no
The method that oil well uses tracer test production profile.
The content of the invention
The purpose of the present invention is overcome in the prior art not oil well using tracer test production profile device and
Method problem.
For this purpose, the present invention provides a kind of horizontal well tracer producing profile testing tubing string, including be oriented to silk plug, tail pipe,
Test cell, oil pipe, oil well pump and sucker rod, guide wire block end by tail pipe connecting test unit, and test cell upper end leads to
Oil pipe connection oil well pump is crossed, oil well pump upper end connected pipes and the sucker rod being located in oil pipe, oil pipe are connected to well head, sucker rod
Connect ground oil pumping system.
The test cell includes tracer pipe nipple and packer, and tracer pipe nipple upper end is connected by oil pipe and insulated
Device.
The test cell is multiple, and multiple test cells are connected in series between tail pipe and oil well pump.
The tracer pipe nipple includes body, spring, steel ball, ball seat, and lateral passageway bridge is provided on the inside of body upper part,
Body inside middle portion is provided with central cavity, and spring, steel ball and ball seat are connected in turn in central cavity from left to right, spring section
Central cavity is connected with lateral passageway bridge, and the left end and right end of body are provided with mixed export and lower floor's import, center cavity successively
Body left end is connected with lateral passageway bridge left end with mixed export, lateral passageway bridge right end and lower floor's inlet communication, body
Downside be provided with lateral import and lateral inlet communication central cavity.
A kind of horizontal well tracer producing profile testing method, includes the following steps：
1）Tracer is determined according to the test hop count of tested well stream volume property and tested well testing；
2）Tracer is filled in tracer pipe nipple and connects test string；
3）By test string down toward precalculated position, packer opens corresponding test zone sealing card, and ground oil pumping system is continuous
Production；
4）It is discharged into the flushing fluid on stratum and well liquid within the cartridge；
5）Ground oil pumping system drives oil well pump to continue pumping, and each test zone fluid is tested by corresponding tracer pipe nipple
Well wellhead goes out production fluid and the tracer in production fluid is detected；
6）Act test string；
7）Analyze data：The water yield and oil production of test zone are calculated according to testing result.
The tracer property of each test zone is different and is mutual exclusive oil base and water base mixed liquor.
The step 4）In when being discharged into the flushing fluid on stratum and well liquid within the cartridge, drain is determined according to total amount of liquid
Time.
The step 5）When middle tracer is detected, the content and concentration of tracer are detected.
Beneficial effects of the present invention：This horizontal well tracer producing profile testing tubing string provided by the invention and method,
Using preset tracer pipe nipple in tubing string, each isolating tool for testing hop count tripping in different number opens each test zone card,
Ensure that each test zone is corresponded to there are one tracer pipe nipple, ground oil pumping system drives oil well pump constantly to take out during oil well production
Draw, different test zone well liquids through the corresponding tracer pipe nipple of each test zone, into oil pipe after mixed with other well section well liquids
It closes, and equipped with mutual exclusive oil base and water base solid tracers, wellhead sampling pair in the corresponding tracer pipe nipple of different intervals
The content of different tracers and concentration are detected in production fluid, and the Liquid output of each test zone and aqueous is obtained so as to calculate
Situation.Overcome conventional production profile method tester tripping in difficult, in casing the small traffic level well test responsiveness of test it is low,
The problem of test result distortion, understands each pay interval production liquid information of horizontal well, is blocked up for water injection of horizontal well modification scenario and later stage
Water provides foundation.
Description of the drawings
The present invention is described in further details below with reference to attached drawing.
Fig. 1 is the structure diagram of horizontal well tracer producing profile testing tubing string；
Fig. 2 is the structure diagram of tracer pipe nipple.
Reference sign：1st, it is oriented to silk plug；2nd, tail pipe；3rd, test cell；4th, oil pipe；5th, oil well pump；6th, sucker rod；
31st, tracer pipe nipple；32nd, packer；311st, lower floor's import；312nd, lateral import；313rd, mixed export；314th, spring；315、
Steel ball；316th, ball seat；317th, central cavity；318th, lateral passageway bridge；319th, body.
Specific embodiment
Embodiment 1：
As shown in Figs. 1-2, a kind of horizontal well tracer producing profile testing tubing string, it is characterised in that：Including being oriented to silk plug 1, tail
Pipe 2, test cell 3, oil pipe 4, oil well pump 5 and sucker rod 6 are oriented to 1 upper end of silk plug and pass through 2 connecting test unit 3 of tail pipe, test
3 upper end of unit connects oil well pump 5,5 upper end connected pipes 4 of oil well pump and the sucker rod 6 being located in oil pipe 4, oil pipe by oil pipe 4
4 are connected to well head, and sucker rod 6 connects ground oil pumping system.The test cell 3 includes tracer pipe nipple 31 and packer
32,31 upper end of tracer pipe nipple connects packer 32 by oil pipe 4.Using preset tracer pipe nipple 31 in tubing string, respectively test
The isolating tool 32 of hop count tripping in different number opens each test zone card, ensures that there are one tracers for each test zone correspondence
Pipe nipple 31, ground oil pumping system drives the continuous pumping of oil well pump during oil well production, and different test zone well liquids are through each test
The corresponding tracer pipe nipple 31 of interval, into oil pipe after mixed with other well section well liquids, and the corresponding tracer of different interval is short
Equipped with mutual exclusive oil base and water base solid tracers in section, wellhead sampling is to the content of different tracers in production fluid and dense
Degree is detected, so as to calculate the Liquid output for obtaining each test zone and aqueous situation.Conventional production profile method is overcome to survey
The problem of it is difficult to try instrument tripping in, low small traffic level well test responsiveness, test result distortion are tested in casing understands horizontal
Each pay interval production liquid information of well, foundation is provided for water injection of horizontal well modification scenario and later stage water blockoff.
The test cell 3 is multiple, and multiple test cells 3 are connected in series between tail pipe 2 and oil well pump 5, can root
It is mediated according to the quantity of test zone, it is easy to operate, it is applied widely.
The tracer pipe nipple 31 includes body 319, spring 314, steel ball 315, ball seat 316,319 upper inner of body
Be provided with lateral passageway bridge 318,319 inside middle portion of body is provided with central cavity 317, spring 314, steel ball 315 and ball seat 316 from
From left to right is connected in turn in central cavity 317, and the central cavity 317 that 314 sections of spring is connected with lateral passageway bridge 318, this
The left end and right end of body 319 are provided with mixed export 313 and lower floor's import 311 successively, and 317 left end of central cavity leads to lateral bridge-type
318 left end of road is connected with mixed export 313, and lateral 318 right end of passageway bridge is connected with lower floor import 311, under body 319
Side is provided with lateral import 312 and lateral import 312 connects central cavity 317.This layer of well liquid enters from lateral import 312 during production
Spring 314 on 317 open-top ball seat 316 of central cavity equipped with solid tracers and the lower floor from lateral passageway bridge 318
313 enter oil pipe 4 from mixed export after well liquid mixing, can produce the liquid of different test zones, sample simple and convenient and precision
It is high.
A kind of horizontal well tracer producing profile testing method, includes the following steps：
1）Tracer is determined according to the test hop count of tested well stream volume property and tested well testing；
2）Tracer is filled in tracer pipe nipple 31 and connects test string；
3）By test string down toward precalculated position, packer 32 opens corresponding test zone sealing card, and ground oil pumping system connects
Continuous production；
4）It is discharged into the flushing fluid on stratum and well liquid within the cartridge；
5）Ground oil pumping system drives oil well pump 5 to continue pumping, and each test zone fluid is tested by corresponding tracer pipe nipple 31
Well testing wellhead goes out production fluid and the tracer in production fluid is detected；
6）Act test string；
7）Analyze data：The water yield and oil production of test zone are calculated according to testing result.
The tracer property of each test zone is different and is mutual exclusive oil base and water base mixed liquor.
The step 4）In when being discharged into the flushing fluid on stratum and well liquid within the cartridge, drain is determined according to total amount of liquid
Time.
The step 5）When middle tracer is detected, the content and concentration of tracer are detected.
The present invention seals each perforated interval by the card of tripping in isolating tool 32, every section of correspondence be placed with different characteristics water solubility,
Oil-soluble solid tracer, well head pumping sampling, chemical examination are detected the content of different tracers and concentration in production fluid,
The Liquid output of different intervals and aqueous situation are judged according to testing result.It is provided for water injection of horizontal well modification scenario and later stage water blockoff
The purpose of foundation solves the deficiencies in the prior art.
Invention effect：After carrying out horizontal well tracer producing profile testing tubing string and method, horizontal well can be efficiently completed
The flat multistage producing profile testing of particularly low liquid measure machine water acquisition.Easy for construction, operation is simple, can reduce Contraction in Site into
This.
Embodiment 2：
As shown in Figs. 1-2, further illustrated by taking 3 sections of staged fracturing horizontal well produced fluid cross section tubing strings and method flatly as an example,
Test string is from bottom to top by guiding silk plug 1, tail pipe 2, tracer pipe nipple I 31, isolating tool I 32, tracer pipe nipple II 31, envelope
It is sequentially connected every instrument II 32, tracer pipe nipple III 31, oil pipe 4, oil well pump 5, sucker rod 6.
Specific implementation step is as follows：
1st, tracer is screened：According to tested well stream volume property, three kinds of different characteristics and mutual exclusive oil base are determined in screening
With water base tracer；
2nd, this test string of tripping in：Supporting tool will be tested to connect according to the catenation principle of " tracer producing profile testing tubing string "
Good, down toward precalculated position, isolating tool I 32 and isolating tool II 32 open three interval sealing cards, and ground pumping unit is continuously given birth to
Production；
3rd, pump drainage liquid is opened：In order to reduce influence of the foreign liquid to producing profile testing result, it is necessary to be discharged into washing for stratum
Well liquid and well liquid within the cartridge.Drain time is determined according to total amount of liquid；
4th, producing profile testing：The fluid of three intervals respectively by corresponding tracer pipe nipple I 31, tracer pipe nipple II 31,
Tracer pipe nipple III 31, well head oil pumping system drive oil well pump 5 to continue pumping, and difference in production fluid is shown in wellhead sampling chemical examination
The content and concentration of track agent are detected；
5th, rise and test string：Isolating tool is unsealed, acts test string；
6th, data are analyzed：The water yield and oil production of different test zones are calculated according to testing result.
After carrying out horizontal well tracer producing profile testing tubing string and method, it can efficiently complete horizontal well and be particularly low liquid
Three sections of flat producing profile testings of amount machine water acquisition, easy for construction, operation is simple, by Contraction in Site cost reduction 30%.
The foregoing examples are only illustrative of the present invention, does not form the limitation to protection scope of the present invention, all
Be with the present invention it is the same or similar design all belong to the scope of protection of the present invention within.
Claims (7)
1. a kind of horizontal well tracer producing profile testing tubing string, it is characterised in that：Including being oriented to silk plug（1）, tail pipe（2）, survey
Try unit（3）, oil pipe（4）, oil well pump（5）And sucker rod（6）, it is oriented to silk plug（1）Upper end passes through tail pipe（2）Connecting test unit
（3）, test cell（3）Upper end passes through oil pipe（4）Connect oil well pump（5）, oil well pump（5）Upper end connected pipes (4) and it is located at oil
The sucker rod (6) in (4) is managed, oil pipe (4) is connected to well head, sucker rod (6) connection ground oil pumping system；The test cell
（3）Including tracer pipe nipple（31）And packer（32）, tracer pipe nipple（31）Upper end passes through oil pipe（4）Connect packer
（32）.
2. horizontal well tracer producing profile testing tubing string as described in claim 1, it is characterised in that：The test cell
（3）To be multiple, multiple test cells（3）It is connected in series in tail pipe（2）And oil well pump（5）Between.
3. horizontal well tracer producing profile testing tubing string as claimed in claim 2, it is characterised in that：The tracer is short
Section（31）Including body（319）, spring（314）, steel ball（315）, ball seat（316）, body（319）Upper inner is provided with lateral bridge
Formula passage（318）, body（319）Inside middle portion is provided with central cavity（317）, spring（314）, steel ball（315）And ball seat（316）
It is connected to central cavity in turn from left to right（317）It is interior, spring（314）The central cavity of section（317）With lateral passageway bridge
（318）Connection, body（319）Left end and right end be provided with mixed export successively（313）With lower floor's import（311）, central cavity
（317）Left end and lateral passageway bridge（318）Left end is and mixed export（313）Connection, lateral passageway bridge（318）Right end with
Lower floor's import（311）Connection, body（319）Downside be provided with lateral import（312）And lateral import（312）Connect central cavity
（317）.
A kind of 4. horizontal well tracer producing profile testing method, which is characterized in that include the following steps：
1）Tracer is determined according to the test hop count of tested well stream volume property and tested well testing；
2）Tracer is filled in tracer pipe nipple（31）It is interior and connect test string；
3）By test string down toward precalculated position, packer（32）Corresponding test zone sealing card is opened, ground oil pumping system
Continuous production；
4）It is discharged into the flushing fluid on stratum and well liquid within the cartridge；
5）Ground oil pumping system drives oil well pump（5）Continue pumping, each test zone fluid is by corresponding tracer pipe nipple（31）,
Tested well testing wellhead goes out production fluid and the tracer in production fluid is detected；
6）Act test string；
7）Analyze data：The water yield and oil production of test zone are calculated according to testing result.
5. horizontal well tracer producing profile testing method as claimed in claim 4, it is characterised in that：Each test layer
The tracer property of section is different and is mutual exclusive oil base and water base mixed liquor.
6. horizontal well tracer producing profile testing method as claimed in claim 5, it is characterised in that：The step 4）In
When being discharged into the flushing fluid on stratum and well liquid within the cartridge, drain time is determined according to total amount of liquid.
7. horizontal well tracer producing profile testing method as claimed in claim 6, it is characterised in that：The step 5）In
When tracer is detected, the content and concentration of tracer are detected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711492299.7A CN108104801A (en) | 2017-12-30 | 2017-12-30 | A kind of horizontal well tracer producing profile testing tubing string and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711492299.7A CN108104801A (en) | 2017-12-30 | 2017-12-30 | A kind of horizontal well tracer producing profile testing tubing string and method |
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| 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 | Multistage pressure break horizontal well produced fluid cross section method and tubing string |
| CN109138978A (en) * | 2018-09-29 | 2019-01-04 | 北京大德广源石油技术服务有限公司 | Horizontal well oil-producing based on control release Tracer Technique contributes test 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 |
| CN110206540A (en) * | 2019-05-23 | 2019-09-06 | 广州海洋地质调查局 | A kind of horizontal well annular space production profile test method and device |
| CN110952980A (en) * | 2019-11-22 | 2020-04-03 | 西南石油大学 | Quantum dot tracer feeding device and fracturing horizontal well output section method |
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| CN111594150A (en) * | 2020-06-17 | 2020-08-28 | 西安恩诺维新石油技术有限公司 | Tracer bridge plug assembly and method for performing downhole liquid production test by using same |
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