CN102003171A - Calibrating device of three-dimensional induction logger - Google Patents
Calibrating device of three-dimensional induction logger Download PDFInfo
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- CN102003171A CN102003171A CN2010105330137A CN201010533013A CN102003171A CN 102003171 A CN102003171 A CN 102003171A CN 2010105330137 A CN2010105330137 A CN 2010105330137A CN 201010533013 A CN201010533013 A CN 201010533013A CN 102003171 A CN102003171 A CN 102003171A
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- sliding sleeve
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- dimensional induction
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Abstract
The invention discloses a calibrating device of a three-dimensional induction logger. The device comprises a calibrated disc, a sliding sleeve and a calibrating resistor, wherein the calibrated disc comprises a mobile variable angle device, a rotating shaft, an inclination angle locking pin and a slot position pin; the calibrated disc and the mobile variable angle device are connected with the rotating shaft through the inclination angle locking pin; the sliding sleeve comprises a sliding sleeve positioning hole and a groove; and the mobile variable angle device can be fixed on the groove of the sliding sleeve through the slot position pin and the sliding sleeve positioning hole. The calibrating device in the embodiment of the invention can well ensure centering scales, and an inclination angle and an azimuth angle are convenient to adjust, and accurate; meanwhile, the stratum resistivity and a vortex field at different inclination angles and azimuth angles can be well simulated; through the field using condition, the calibrating device is convenient to operate, has accurate scales and can well meet the requirement of the three-dimensional induction logger on the scales; and the calibrating device of the three-dimensional induction logger in the embodiment of the invention is mostly made of a non-metallic material, so the device has light weight and is insulating.
Description
Technical field
The present invention relates to the oil well logging field, relate in particular to a kind of three-dimensional induction logging instrument graduation apparatus of oil well logging instrument.
Background technology
Traditional induction log tool graduation apparatus adopts dial to become fixed angle (mostly being 90 °) with instrument shaft more, adopts this graduation apparatus can only simulate vortex field perpendicular to axial direction, promptly can only analog scaling one-component vertically.
The traditional array induction instrument aratus is because limitation of design, can not satisfy the well logging needs of big hole, high angle hole, and along with the development requirement that approaches sand shale anisotropic formation oil gas field, some oil-gas reservoir is underestimated or has been ignored, therefore design a kind of novel three-dimensional induction logging instrument and measure complicated more ground environment and well logging environment, and design the inclination angle and the azimuth that can change dial as required thereupon, the graduation apparatus of simulating the vortex field of different angle different orientations and finishing scale is very necessary.
Summary of the invention
The embodiment of the invention provides a kind of three-dimensional induction logging instrument graduation apparatus, comprises dial, sliding sleeve and scale resistance, and described graduation apparatus also comprises mobile variable-angle device, turning cylinder, inclination angle stop pin and groove position pin; Described dial and described mobile variable-angle device couple together by described inclination angle stop pin and turning cylinder; Wherein, described turning cylinder is fixedlyed connected with described mobile variable-angle device, and described dial can change the inclination angle of described dial around described turning cylinder rotation; Described inclination angle stop pin is used to locate the axial angle of described dial and described mobile variable-angle device; Described sliding sleeve comprises sliding sleeve locating hole and groove, described mobile variable-angle device can be fixed on the groove of described sliding sleeve by described groove position pin and sliding sleeve locating hole.
Described graduation apparatus also comprises two adapters, sliding sleeve alignment pin and graduator alignment pin; Wherein said adapter is used to connect described sliding sleeve and described three-dimensional induction logging instrument outer tube; Described adapter and described sliding sleeve fix by the sliding sleeve alignment pin; Described adapter and described three-dimensional induction logging instrument outer tube fix by the graduator alignment pin.
Described mobile variable-angle device comprises index hole and rule, is used to read the inclination angle and the azimuth of described dial.Wherein, change the inclination angle of described dial by described inclination angle stop pin, the excursion at described inclination angle is 0 °～90 °; By the azimuth of the described dial of described groove position pin change, described azimuthal excursion is 0 °～360 °.
Among the present invention, the copper ring in described scale resistance and dial upper groove, miscellaneous part is nonmetals such as plastics, epoxy resin.
On Theory of Electromagnetic Field and geology method, by place on the sliding sleeve dial along instrument move axially simulate with instrument shaft to vortex field that forms an angle and formation resistivity, thereby can make the three-dimensional induction logging instrument obtain stratigraphic dip and azimuth information, stratum horizontal resistivity and vertical resistivity and two kinds of information such as moisture (oil) saturation ratio of layer model anisotropically more exactly.
In three-dimensional induction logging instrument calibration process, this graduation apparatus can well guarantee scale placed in the middle, and convenient adjustment in inclination angle and azimuth and angle are accurate, also can finely simulate the vortex field of different angle different orientations simultaneously.The copper wire and scale resistance of the graduation apparatus of the embodiment of the invention in dial, miscellaneous part is nonmetals such as plastics, epoxy resin, and not only material is light but also insulation.From mode of occupation, this graduation apparatus not only can well prevent eccentric scale, and moves steadily along groove, can realize easily dial inclination angle and azimuthal accurate adjusting simultaneously.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those skilled in the art, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the stereogram of the three-dimensional induction logging instrument graduation apparatus of the embodiment of the invention;
Fig. 2 is the sectional view of sliding sleeve of the three-dimensional induction logging instrument calibration loop device of the embodiment of the invention;
Fig. 3 is the three-view diagram of mobile variable-angle device of the three-dimensional induction logging instrument calibration loop device of the embodiment of the invention;
Fig. 4 is the scale demonstration of the three-dimensional induction XY component band calibration loop of the embodiment of the invention.
Wherein:
1-graduator alignment pin 2-adapter 3-sliding sleeve alignment pin 4-sliding sleeve 5-dial 6-groove position pin 7-moves variable-angle device 8-calibration loop 9-inclination angle stop pin 10-turning cylinder 11-scale resistance (band banana plug) 12-banana jack 13-sliding sleeve locating hole 14-groove 15-index hole 16-rule
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 1 is the stereogram of the three-dimensional induction logging instrument graduation apparatus of the embodiment of the invention, as shown in Figure 1, the three-dimensional induction logging instrument graduation apparatus of the embodiment of the invention is made up of 12 parts among Fig. 1, comprises dial 5, sliding sleeve 4, scale resistance 11, adapter 2, graduator alignment pin 1, sliding sleeve alignment pin 3, mobile variable-angle device 7, turning cylinder 10, inclination angle stop pin 9 and groove position pin 6.Its connection is as follows: at first by turning cylinder 10 dial 5 is fixed on the mobile variable-angle device 7, wherein, dial 5 is the big disks among Fig. 1, comprises the jack of three ring-type copper wires, banana jack 12 and turning cylinder 10.The angle marker location that is inserted on the mobile variable-angle device 7 by change inclination angle stop pin 9 changes dial 5 and the size of instrument shaft to angle, simultaneously scale resistance (band banana plug) 11 is inserted banana jacks 12 and forms closed hoops.Secondly mobile variable-angle device 7 is enclosed within on the sliding sleeve 4, and mobile variable-angle device 7 is fixed on the sliding sleeve 4 by the groove 14 among groove position pin 6 and Fig. 2.By adapter 2 outer tube of sliding sleeve 4 with logging instrument coupled together then, and keep sliding sleeve 4 and instrument outer tube orientation groove all to make progress, be fixed on sliding sleeve 4 adapter 2 on by the sliding sleeve locating hole 13 among sliding sleeve alignment pin 3 and Fig. 2 this moment, after graduator alignment pin 1 adapter 2 is fixed on the instrument outer tube, finishes being connected and the location of sliding sleeve 4 and instrument outer tube.
Fig. 2 is the sectional view of sliding sleeve 4 of the three-dimensional induction logging instrument calibration loop device of the embodiment of the invention.As shown in the figure, sliding sleeve 4 comprises 12 uniform sliding sleeve locating holes 13 and 8 uniform grooves 14, and (angle is respectively 0 °, 45 °, 90 °, 135 °, 180 °, 225 °, 270 °, 315 ° totally 8 angles, all do not illustrate among the figure), it is groove from top to bottom.Sliding sleeve alignment pin 3 is fixed on sliding sleeve among Fig. 14 on the adapter 2 among Fig. 1 by sliding sleeve locating hole 13 among Fig. 2 among Fig. 1.By groove position pin 6 described mobile variable-angle device 7 is fixed on the groove 14 of described sliding sleeve 4, groove position pin 6 is used for adjustment and prevents that dial 5 from rotating vertically or rock again.During use, can change the azimuth of dial as required.
Fig. 3 is the three-view diagram of mobile variable-angle device 7 (cylindric) of the three-dimensional induction logging instrument calibration loop device of the embodiment of the invention.Wherein the picture left above of Fig. 3 is the elevation of the mobile variable-angle device 7 of the embodiment of the invention, and the top right plot of Fig. 3 is the lateral view of the mobile variable-angle device 7 of the embodiment of the invention, and the lower-left figure of Fig. 3 is the vertical view of the mobile variable-angle device 7 of the embodiment of the invention.In the present embodiment, mobile variable-angle device 7 comprises index hole 15 and rule 16, determine the dial inclination angle by the index hole on inclination angle stop pin 9 and the mobile variable-angle device 7 15, the inclination angle excursion that can change is 0～90 °, and concrete inclination angle angle value is read by the rule 16 on the mobile variable-angle device 7.
In the present embodiment, the coaxial heart of copper ring that three groups of diameters are respectively 800mm, 1000mm and 1200mm is embedded on the described dial, i.e. calibration loop shown in Fig. 18 (three groups).Described scale resistance 11 (having banana plug), the leading-out terminal of calibration loop 8 are connected with the two ends of banana bin 12 respectively, when scale resistance 11 (having banana plug) inserts on the banana bin 12, form closed hoop with calibration loop 8.
In the present embodiment, except described scale resistance 11 (having banana plug) and calibration loop 8, miscellaneous part is nonmetals such as plastics, epoxy resin.
Fig. 4 is the XY component scale presentation process figure in nine scale components (XX, XY, XZ, YX, YY, YZ, ZX, ZY, ZZ) during the three-dimensional of the embodiment of the invention is responded to.
The XY component is defined as transmitting winding group when launching electromagnetic wave on directions X, the scale signal that the receiving coil group is accepted on the Y direction.
Before the scale, the three-dimensional induction logging instrument is placed the open territory and with yoke it is lifted away from the 1.2 meters eminences in ground, the ground control system energizing test finishes.
At first do zero and carve, promptly not with the scale of calibration loop.Switch on to instrument by ground control system, allow transmitting winding group X launch electromagnetic signal, the survey data V of record receiving coil group Y
Ez, this is XY component value at zero quarter.
Secondly, do the band scale of XY component.Determine that by instrument outer tube mark transmitting winding group X central axis is in horizontal direction, angle by mark on the mobile variable-angle device 7, determine that inclination angle (α among Fig. 4) is 45 °, the angle of demarcating by mobile variable-angle device 7 high scale chis 16 determines that azimuth (β among Fig. 4) is 45 ° simultaneously; Derive and calculating according to theory, this moment, the component of graduation apparatus institute scale was the XY component.Allow transmitting winding group X emission electromagnetic signal by ground control system at last, allow mobile variable-angle device 7 slowly move (mobile test or fixed test all can) continuously, the measuring-signal V when finding Y receiving coil maximum value simultaneously along the groove on the sliding sleeve 4 14
Ec
According to formula
Determine engineering calibration factor K value (σ wherein
cBe the scale apparent conductivity that theory calculates, V
EcMeasuring-signal during for band calibration loop scale, V
EzBe zero measuring-signal when carving), this K value is the calibration factor of XY component, and the later stage is when logging well, according to this project calibration factor K value and the voltage signal values of surveying, the anti-stratum apparent conductivity of releasing.The stratum apparent conductivity that accurately whether is directly connected to of engineering calibration factor K value is tested effect, so this scale process is significant.
Adopt similar step,, utilize formula by changing inclination angle (α among Fig. 4) and azimuth (β among Fig. 4) size
Can finish the scale process of all the other 8 components of three-dimensional induction logging instrument.
According to Theory of Electromagnetic Field and geological theory, the three-dimensional induction logging instrument is when practical application, can be according to the engineering calibration factor of these 9 components, obtain stratigraphic dip and azimuth information exactly, and then obtain the information such as moisture (oil) saturation ratio of stratum horizontal resistivity, vertical resistivity and anisotropic formation.
The advantage of the graduation apparatus of the embodiment of the invention is to guarantee scale placed in the middle (instrument axis and dial drum dead in line), inclination angle and azimuth are easy to adjust and angle is accurate, whole process operation is simple and convenient, can satisfy the scale needs of three-dimensional induction logging instrument well, and the graduation apparatus material of embodiment of the invention major part is nonmetal, in light weight and insulation.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a three-dimensional induction logging instrument graduation apparatus comprises dial, sliding sleeve and scale resistance, it is characterized in that, described graduation apparatus also comprises mobile variable-angle device, turning cylinder, inclination angle stop pin and groove position pin;
Described dial and described mobile variable-angle device couple together by described inclination angle stop pin and turning cylinder; Wherein, described turning cylinder is fixedlyed connected with described mobile variable-angle device, and described dial can change the inclination angle of described dial around described turning cylinder rotation; Described inclination angle stop pin is used to locate the axial angle of described dial and described mobile variable-angle device;
Described sliding sleeve comprises sliding sleeve locating hole and groove, described mobile variable-angle device can be fixed on the groove of described sliding sleeve by described groove position pin and sliding sleeve locating hole.
2. three-dimensional induction logging instrument graduation apparatus as claimed in claim 1 is characterized in that described graduation apparatus also comprises two adapters, sliding sleeve alignment pin and graduator alignment pin; Wherein
Described adapter connects described sliding sleeve and described three-dimensional induction logging instrument outer tube;
Described adapter and described sliding sleeve fix by the sliding sleeve alignment pin;
Described adapter and described three-dimensional induction logging instrument outer tube fix by the graduator alignment pin.
3. three-dimensional induction logging instrument graduation apparatus as claimed in claim 1 is characterized in that, changes the inclination angle of described dial by described inclination angle stop pin, and the excursion at described inclination angle is 0 °～90 °.
4. three-dimensional induction logging instrument graduation apparatus as claimed in claim 1 is characterized in that, by the azimuth of the described dial of described groove position pin change, described azimuthal excursion is 0 °～360 °.
5. three-dimensional induction logging instrument graduation apparatus as claimed in claim 1 is characterized in that, described mobile variable-angle device comprises: index hole and rule, the inclination angle and the azimuth that are used to read described dial.
6. three-dimensional induction logging instrument graduation apparatus as claimed in claim 1 is characterized in that, the coaxial heart of copper ring wiring groove that three groups of diameters are respectively 800mm, 1000mm and 1200mm is embedded on the described dial.
7. three-dimensional induction logging instrument graduation apparatus as claimed in claim 6, it is characterized in that, described scale resistance has banana plug, and described copper ring wiring groove leading-out terminal is arranged on the described dial in the mode of banana bin, and described scale resistance inserts described banana bin and forms closed hoop.
8. as the described three-dimensional induction logging instrument of claim 1～7 graduation apparatus, it is characterized in that the copper ring wiring groove on described scale resistance and dial, miscellaneous part is nonmetals.
9. three-dimensional induction logging instrument graduation apparatus as claimed in claim 8 is characterized in that the material of the card of described dial is an epoxy resin.
10. three-dimensional induction logging instrument graduation apparatus as claimed in claim 9 is characterized in that, the copper ring wiring groove and dial card on described scale resistance, dial, the material of miscellaneous part is plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010533013 CN102003171B (en) | 2010-11-04 | 2010-11-04 | Calibrating device of three-dimensional induction logger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010533013 CN102003171B (en) | 2010-11-04 | 2010-11-04 | Calibrating device of three-dimensional induction logger |
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| CN102003171A true CN102003171A (en) | 2011-04-06 |
| CN102003171B CN102003171B (en) | 2013-06-05 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606133A (en) * | 2012-02-02 | 2012-07-25 | 中国石油化工股份有限公司 | Production method for calibration block of radioactive fluid density logging instrument |
| CN102619505A (en) * | 2012-04-25 | 2012-08-01 | 中国电子科技集团公司第二十二研究所 | Ground calibration device of instrument for electromagnetic resistivity logging while drilling |
| CN103089252A (en) * | 2013-01-16 | 2013-05-08 | 中国海洋石油总公司 | Ruling method for three-dimensional induction logger |
| CN103291278A (en) * | 2012-03-02 | 2013-09-11 | 中国石油集团长城钻探工程有限公司 | Three-dimensional array induction calibration device for radial component calibration |
| CN103291277A (en) * | 2012-03-02 | 2013-09-11 | 中国石油集团长城钻探工程有限公司 | Calibration device for three-dimensional array induction logging instrument |
| CN103775063A (en) * | 2012-10-23 | 2014-05-07 | 中国石油集团长城钻探工程有限公司 | Multipoint interpolation well diameter scale device |
| CN104453847A (en) * | 2013-09-13 | 2015-03-25 | 中国石油集团长城钻探工程有限公司 | Graduator system of three-dimensional array induction instrument |
| CN111502648A (en) * | 2020-05-08 | 2020-08-07 | 中国石油天然气集团有限公司 | Method and device for calibrating logging instrument for remotely detecting electromagnetic wave resistivity while drilling |
| CN112504077A (en) * | 2020-11-06 | 2021-03-16 | 中国海洋石油集团有限公司 | Scale device |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606133A (en) * | 2012-02-02 | 2012-07-25 | 中国石油化工股份有限公司 | Production method for calibration block of radioactive fluid density logging instrument |
| CN102606133B (en) * | 2012-02-02 | 2015-01-28 | 中国石油化工股份有限公司 | Production method for calibration block of radioactive fluid density logging instrument |
| CN103291278A (en) * | 2012-03-02 | 2013-09-11 | 中国石油集团长城钻探工程有限公司 | Three-dimensional array induction calibration device for radial component calibration |
| CN103291277A (en) * | 2012-03-02 | 2013-09-11 | 中国石油集团长城钻探工程有限公司 | Calibration device for three-dimensional array induction logging instrument |
| CN102619505A (en) * | 2012-04-25 | 2012-08-01 | 中国电子科技集团公司第二十二研究所 | Ground calibration device of instrument for electromagnetic resistivity logging while drilling |
| CN103775063A (en) * | 2012-10-23 | 2014-05-07 | 中国石油集团长城钻探工程有限公司 | Multipoint interpolation well diameter scale device |
| CN103089252A (en) * | 2013-01-16 | 2013-05-08 | 中国海洋石油总公司 | Ruling method for three-dimensional induction logger |
| CN103089252B (en) * | 2013-01-16 | 2015-09-30 | 中国海洋石油总公司 | A kind of scale method for three-dimensional induction logging instrument |
| CN104453847A (en) * | 2013-09-13 | 2015-03-25 | 中国石油集团长城钻探工程有限公司 | Graduator system of three-dimensional array induction instrument |
| CN104453847B (en) * | 2013-09-13 | 2023-09-19 | 中国石油集团长城钻探工程有限公司 | Scaler system of three-dimensional array induction instrument |
| CN111502648A (en) * | 2020-05-08 | 2020-08-07 | 中国石油天然气集团有限公司 | Method and device for calibrating logging instrument for remotely detecting electromagnetic wave resistivity while drilling |
| CN112504077A (en) * | 2020-11-06 | 2021-03-16 | 中国海洋石油集团有限公司 | Scale device |
| CN112504077B (en) * | 2020-11-06 | 2022-08-02 | 中国海洋石油集团有限公司 | Scale device |
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