CN102061907B - Flow section scanning imager - Google Patents
Flow section scanning imager Download PDFInfo
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- CN102061907B CN102061907B CN2010105809955A CN201010580995A CN102061907B CN 102061907 B CN102061907 B CN 102061907B CN 2010105809955 A CN2010105809955 A CN 2010105809955A CN 201010580995 A CN201010580995 A CN 201010580995A CN 102061907 B CN102061907 B CN 102061907B
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- 239000000523 sample Substances 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 11
- 239000012530 fluid Substances 0.000 abstract description 25
- 238000009826 distribution Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention provides a flow section scanning imager comprising a push-and-pull system, a frame and a measuring arm system, wherein the measuring arm system comprises a measuring arm and a plurality of sensor sets which are arranged on the measuring arm, and one end of the measuring arm is hinged with the frame; and the push-and-pull system can push the measuring arm to rotate. In the flow section scanning imager, six sets of sensors are arranged on the measuring arm, the push-and-pull system which is hinged with the measuring arm is used for adjusting the opening angle of the measuring arm to change the distribution denseness degree of measuring points, thus, judgment for the laying positions of fluid property is accurate, and the measuring precision is greatly improved.
Description
[technical field]
The present invention relates to a kind of oil downhole logging instruments, thereby particularly a kind of multiphase flow section of measuring carries out the logging instrument that three-phase flow is explained judgement downhole fluid properties and flow.
[background technology]
In the oil well logging field, measurement moisture to well fluids downhole character and fluid, flow is very important.And general measure well fluids downhole character and fluid instrument moisture, flow is to be realized by traditional moisture instrument and traffic logger combination.Only contain one in the tradition water-containing machine and contain water sensor, can only measure the fluid moisture content that contains in the water sensor diameter range, this mode measurement category is little, and certainty of measurement is low, and instrument combination length is large, the inconvenience of going into the well.
Moisture, the flow of measuring well underflow volume property and fluid also has two kinds of typical instruments in the international market, is respectively CAT (Capacitance Array Tool) and SAT (Spinner Array Tool) combination instrument and FloScan Imager instrument.
CAT (Capacitance Array Tool) and SAT (Spinner Array Tool) combination instrument, two similar elastic arm designs that all are based on the cage shape of apparatus structure.Wherein CAT (Capacitance Array Tool) by one group totally 12 little capacitance sensors launch to form around the pit shaft array, each sensor is contained on the elastic arm and reading independently.Its operating principle be each probe interior near the head place be a small-sized capacitance sensor.Each sensor and its measuring circuit produce a frequency output that relates to the surrounding fluid dielectric constant.Therefore the fluid properties around each sensor can be determined.CAT is specifically designed to fluid properties identification and measures: namely judge layering well section oil, gas, water ratio.And SAT (Spinner Array Tool) by one group totally 6 small rotor flow meters launch to form around the pit shaft array, each small rotor flow meter is contained on the elastic arm and reading independently, is specifically designed to the flow velocity of measuring surrounding fluid.Maximum characteristics of this group instrument are: simple in structure, reliability is high, be beneficial to on-the-spot the use.Shortcoming is: the vertical resolution of horizontal section is low, thereby affects certainty of measurement, and hole diameter is larger, and certainty of measurement is lower.The combined instrument total length greatly also is not easy to move in the well of high flexibility.
FloScan Imager instrument, combination property is led over other products.Its core texture is five small-sized spinner flowmeters and six optics and electron detector, and what this six couples probe was paired is arranged in one by on the arm of waterpower work, during measurement towards the vertical axis of well.The electric detection device is used for distinguishing specific retention and holds oil (gas) rate.Its operating principle is to distinguish water and hydrocarbon by impedance bioelectrical measurement, conductive electric current when water exists, non-conducting electric current when oil or gas exist.Optical detector is used for distinguishing gas holdup and liquid holdup, when combining with the electric detection device, just can provide real three-phase flow holdup to measure.Optic probe is distinguished gas and liquid by reflection measurement.Five spinner flowmeters are arranged in the cross section of borehole axis.Each small rotor flow meter produces response to the fluid that flows through it, directly measures oil, gas, water speed.The maximum characteristics of this instrument are: utilize special computing rule to estimate timely the speed of three-phase flow, it is very accurate that phase velocity is measured.Shortcoming is: the spinner flowmeter and the photodetector number that affected by apparatus structure to arrange are limited, thereby make the vertical resolution of horizontal section limited.
[summary of the invention]
The purpose of this invention is to provide a kind of flow section scanning imager, this imager phase velocity is measured accurately, precision is high.
To achieve these goals, the present invention adopts following technical scheme:
A kind of flow section scanning imager comprises: backup system, frame and gage beam system; Described gage beam system comprises gage beam and the some groups of sensor groups that are arranged on the described gage beam, the described frame of described gage beam one end hinge-connection; Described backup system can promote described gage beam rotation.
Described backup system comprises backup motor, clutch, feed screw nut parts, power transmission shaft, connecting rod and slider part; Described feed screw nut parts comprise screw mandrel and are installed on the nut of screw mandrel periphery; Described backup motor, clutch, leading screw connect successively, and described nut connects described power transmission shaft, on the described power transmission shaft slider part are housed; The described slider part of described connecting rod one end hinge-connection, the described gage beam of other end hinge-connection.
Described frame is provided with the opening that the rotation of the described gage beam of confession system is stretched out.
Described sensor group comprises a spinner flowmeter and an optical probe; Described some groups of sensor groups evenly are arranged on the described gage beam.
Described some groups of sensor groups are 6 groups.
Described imager also comprises a main shaft, and described backup system and frame are installed on the described main shaft.
Described imager also comprises rotary system, and described rotary system comprises electric rotating machine, aspect sensor, obliquity sensor and lays particular stress on measuring system.
Described imager also comprises line system, and described line system comprises circuit framework and the wiring board that is fixed on the circuit framework; Described wiring board is electrically connected described backup motor, small rotor flow meter, optical probe, electric rotating machine, aspect sensor, obliquity sensor and lays particular stress on measuring system.
Described imager also comprises ground logging system, and described ground logging system is electrically connected described wiring board by cable.
Described imager also comprises plug, the first swivel joint, the second swivel joint and helmet; Described plug and helmet are individually fixed in described main shaft two ends; The first swivel joint, frame and the second swivel joint are installed between plug and the helmet successively; Described line system, backup system and rotary system are installed in the described frame.
Compared with prior art, the present invention has the following advantages: a kind of flow section scanning imager of the present invention, with six groups of sensor settings on gage beam, regulate the open angle of gage beam by the backup system of articulated measurement arm, change the close degree of measurement point distribution retrogradation with this, to just more accurate with the layering position judgment of fluid properties, greatly improved the precision of measuring like this.
[description of drawings]
Accompanying drawing 1 is that the apparatus measures arm is in the borehole measurement principle schematic;
Accompanying drawing 2 is the apparatus measures arm angle rear measuring principle schematic diagram that changes;
Accompanying drawing 3 is the instrument rear position view of going into the well;
[specific embodiment]
Below in conjunction with accompanying drawing the present invention is done and to describe in further detail.
See also Fig. 1 to shown in Figure 4, the present invention has overcome all defect of existing instrument, thereby provide a kind of multiphase flow section of can measuring to carry out the flow section scanning imager 100 that three-phase flow is explained judgement downhole fluid properties and flow, this imager 100 mainly is comprised of plug 1, swivel joint 2, line system 3, backup system 4, frame 5, gage beam system 6, rotary system 9 and helmet 11.
Wherein gage beam system 6 mainly is comprised of six groups of sensors and gage beam 61, and gage beam 61 1 end hinges are connected on the frame 5.Even six groups of sensors that distribute on the gage beam 61, every group of sensor is comprised of a small rotor flow meter 7 and an optical probe 8.Each small rotor flow meter 7 independently produces response to the fluid that flows through it, is used for directly measuring the speed of the fluid that flows through it.Each optical probe 8 also is independently the fluid that flows through it to be produced response, is used for judging the character of the fluid that flows through it.
The instrument rear arrival specified measurement position of going into the well, instrument rotary system 9 inner orientation sensors, obliquity sensor is laid particular stress on judge out the angle of apparatus measures arm 61 median planes 611 and shaft bottom tangent plane 21 of measuring system acting in conjunction.The position of instrument in well adjusted in the electric rotating machine motion of control rotary system 9, guarantee that apparatus measures arm 61 median planes are vertical with shaft bottom tangent plane 21, and shaft bottom tangent plane 21 overlaps with instrument undercut surfaces 101.
Adjusting after the attitude 6 motions of control instrument backup system can open apparatus measures arm 61, paired distributing six small rotor flows 7 and six optical probes 8 on the gage beam 61.Wherein six small rotor flow meters 7 are arranged in the cross section of borehole axis, and each small rotor flow meter 7 can both independently produce response to the fluid that flows through it, directly measures each phase velocity.Six optical probes 8 also be arranged in the cross section of borehole axis and with spinner flowmeter 7 corresponding distributions, optical probe 8 can be judged the character of the fluid that flows through it.See also shown in Figure 1ly, six groups of sensors can be measured each regional value in the vertical section in well, and the value by these six zones considers the layering situation that can judge fluid.
The angle that backup system 6 can control instrument gage beam 61 opens is dwindled after the angle certain part in the vertical section, and it is close that measurement point distribution becomes, like this to just more accurate with the layering position judgment of fluid properties.This technology has improved the precision of measuring greatly.See also illustrated in figures 1 and 2ly, only have one group of sensor at profit phase mixed layer as can be seen from Figure 1, the oil mixing with water layer has two sensors among Fig. 2.
After apparatus measures was completeer, backup was regulated part control instrument gage beam and is moved, and made six groups of sensors on the gage beam continue another point is measured.Point-to-point measurement is carried out in the horizontal slice that patent of the present invention is can be in some horizontal planes unlimited.Continuous measurement after also the gage beam of instrument can being opened to a certain degree.
The using method of instrument has two kinds: a kind of is in a vertical section, and arm is opened to different sizes, measure the multi-group data in this vertical section after, instrument moved in another vertical section measures; Another kind method is to drag continuously apparatus measures after the gage beam with instrument is opened to a certain degree.
The present invention is because it can increase site density in vertical section, so that phase flow point layer judges that ratio instrument in the past is more accurate, instrument probe distributes in groups, and is positioned on the gage beam so that the instrument overall length is less, is more conducive to work in horizontal well and high angle hole.
Characteristics of the present invention:
1, is applicable to horizontal well and high angle hole;
But mix and independent fluid form under 2 measuring wells;
3, can measure the flow of the interior optional position of any longitudinal profile in the well;
4, can judge fluid properties when measuring flow;
5, the logging tool work that can unite other;
6, measure more accurate than other similar logging tool.
The characteristics of maximum of the present invention are that phase velocity is measured accurately, precision is high, and the instrument overall length is little.
Claims (10)
1. a flow section scanning imager is characterized in that, comprising: backup system (4), frame (5) and gage beam system (6); Described gage beam system (6) comprises gage beam (61) and the some groups of sensor groups that are arranged on the described gage beam (61), the described gage beam described frame of one end hinge-connection (5); Described backup system (4) can promote described gage beam (61) rotation.
2. a kind of flow section scanning imager as claimed in claim 1 is characterized in that, described backup system (4) comprises backup motor, clutch, feed screw nut parts, power transmission shaft, connecting rod and slider part; Described feed screw nut parts comprise screw mandrel and are installed on the nut of screw mandrel periphery; Described backup motor, clutch, leading screw connect successively, and described nut connects described power transmission shaft, on the described power transmission shaft slider part are housed; The described slider part of described connecting rod one end hinge-connection, the described gage beam of other end hinge-connection (61).
3. a kind of flow section scanning imager as claimed in claim 1 or 2 is characterized in that, described frame (5) is provided with the opening that stretches out for described gage beam system (6) rotation.
4. a kind of flow section scanning imager as claimed in claim 3 is characterized in that, described sensor group comprises a small rotor flow meter (7) and an optical probe (8); Described some groups of sensor groups evenly are arranged on the described gage beam (61).
5. a kind of flow section scanning imager as claimed in claim 4 is characterized in that, described some groups of sensor groups are 6 groups.
6. a kind of flow section scanning imager as claimed in claim 3 is characterized in that, described imager also comprises a main shaft, and described backup system (4) and frame (5) are installed on the described main shaft.
7. a kind of flow section scanning imager as claimed in claim 6 is characterized in that, described imager also comprises rotary system (9), and described rotary system (9) comprises electric rotating machine, aspect sensor, obliquity sensor and lays particular stress on measuring system.
8. a kind of flow section scanning imager as claimed in claim 7 is characterized in that, described imager also comprises line system (3), and described line system (3) comprises circuit framework and is fixed on wiring board on the circuit framework; Described wiring board is electrically connected described backup motor, small rotor flow meter (7), optical probe (8), electric rotating machine, aspect sensor, obliquity sensor and lays particular stress on measuring system.
9. a kind of flow section scanning imager as claimed in claim 8 is characterized in that, described imager also comprises ground logging system, and described ground logging system is electrically connected described wiring board by cable.
10. a kind of flow section scanning imager as claimed in claim 9 is characterized in that, described imager also comprises plug (1), the first swivel joint (2), the second swivel joint (10) and helmet (11); Described plug (1) and helmet (11) are individually fixed in described main shaft two ends; The first swivel joint (2), frame (5) and the second swivel joint (10) are installed between plug (1) and the helmet (11) successively; Described line system (3), backup system (4) and rotary system (9) are installed in the described frame (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105809955A CN102061907B (en) | 2010-12-09 | 2010-12-09 | Flow section scanning imager |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105809955A CN102061907B (en) | 2010-12-09 | 2010-12-09 | Flow section scanning imager |
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| Publication Number | Publication Date |
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| CN102061907A CN102061907A (en) | 2011-05-18 |
| CN102061907B true CN102061907B (en) | 2013-03-06 |
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| CN2010105809955A Active CN102061907B (en) | 2010-12-09 | 2010-12-09 | Flow section scanning imager |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847345A (en) * | 2015-04-20 | 2015-08-19 | 中国海洋石油总公司 | Ultrasonic sensor |
| CN105507878A (en) * | 2015-12-22 | 2016-04-20 | 杭州瑞利声电技术公司 | Novel horizontal well fluid imager |
| CN105569634A (en) * | 2015-12-23 | 2016-05-11 | 中国石油集团渤海钻探工程有限公司 | Novel horizontal well fluid imaging and result drawing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0872626A2 (en) * | 1997-04-14 | 1998-10-21 | Anadrill International SA | Method and apparatus for locating indexing systems in a cased well and conducting multilateral branch operations |
| CN101029936A (en) * | 2006-11-30 | 2007-09-05 | 中国石油天然气集团公司 | Method for logging bearing reflective sound wave |
| GB2436443A (en) * | 2006-03-24 | 2007-09-26 | Schlumberger Holdings | Method for mapping geometrical features using optoelectronic arrays |
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Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8270250B2 (en) * | 2006-01-03 | 2012-09-18 | Halliburton Energy Services, Inc. | Programmable data acquisition for tubular objects |
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2010
- 2010-12-09 CN CN2010105809955A patent/CN102061907B/en active Active
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|---|---|---|---|---|
| EP0872626A2 (en) * | 1997-04-14 | 1998-10-21 | Anadrill International SA | Method and apparatus for locating indexing systems in a cased well and conducting multilateral branch operations |
| CN101115928A (en) * | 2004-12-02 | 2008-01-30 | 西门子能量及自动化公司 | Systems and methods for fluid profile calibration of ultrasonic flowmeters |
| GB2436443A (en) * | 2006-03-24 | 2007-09-26 | Schlumberger Holdings | Method for mapping geometrical features using optoelectronic arrays |
| CN101122228A (en) * | 2006-08-11 | 2008-02-13 | 中国科学院声学研究所 | Downhole forward-looking phase-controlled acoustic wave imaging method and imaging device |
| CN101029936A (en) * | 2006-11-30 | 2007-09-05 | 中国石油天然气集团公司 | Method for logging bearing reflective sound wave |
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