CN203925476U - Probe monitoring attitude retainer - Google Patents
Probe monitoring attitude retainer Download PDFInfo
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- CN203925476U CN203925476U CN201420193947.4U CN201420193947U CN203925476U CN 203925476 U CN203925476 U CN 203925476U CN 201420193947 U CN201420193947 U CN 201420193947U CN 203925476 U CN203925476 U CN 203925476U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
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- 238000007789 sealing Methods 0.000 claims abstract description 23
- 238000013016 damping Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 230000001464 adherent effect Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 4
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 210000002445 nipple Anatomy 0.000 description 6
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- 238000005553 drilling Methods 0.000 description 4
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- 238000001739 density measurement Methods 0.000 description 2
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- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model relates to the Attitude Retention Unit technical field of logging instrument probe, is a kind of probe monitoring attitude retainer; It comprises mandrel, urceolus, spiral balance wing, electronic circuit board location skeleton, treatment circuit plate, attitude angle acceleration transducer, 31 core plug-in unit and sealing connecting components; Middle part at mandrel is installed with urceolus, is distributed with at least two spiral balance wing on urceolus; Be installed with electronic circuit board location skeleton in the mandrel inside in urceolus left side.The utility model reasonable and compact in structure, easy to use; By being arranged on treatment circuit plate and the attitude angle acceleration transducer of mandrel inside, realize and monitor constantly logging instrument probe status, accomplish to regulate and reduce measure error in time, improve log repeatability; Maintain function by the direction of spiral balance wing simultaneously, make density probe better press close to the lower borehole wall, further improve the stability of adherent measurement, practical.
Description
Technical field
the utility model relates to the Attitude Retention Unit technical field of logging instrument probe, is a kind of probe monitoring attitude retainer.
Background technology
in horizontal wellbore logging, in the time of the data such as density measurement, neutron, RFT and micro-resistance, in order to reduce well to the impact of measuring, conventionally the probe of measuring transducer is fixed on eccentric pipe nipple, by Action of Gravity Field, probe is fitted on the lower borehole wall; But in actual delivered downhole process, owing to being carried drilling rod and mud influence, easily there is eccentric pipe nipple deflection, cannot ensure the state of adherent measurement, poor reliability; Thereby cause the numerical error of underground survey large, poor repeatability.
Summary of the invention
the utility model provides a kind of probe monitoring attitude retainer, overcome the deficiency of above-mentioned prior art, it can effectively solve in horizontal well in the data procedures such as density measurement, neutron, RFT and micro-resistance, and measured numerical error is large, the problem of poor repeatability.
the technical solution of the utility model realizes by following measures: a kind of probe monitoring attitude retainer, comprises mandrel, urceolus, spiral balance wing, electronic circuit board location skeleton, treatment circuit plate, attitude angle acceleration transducer, 31 core plug-in unit and sealing connecting components; Middle part at mandrel is installed with urceolus, is distributed with at least two spiral balance wing on urceolus; Be installed with electronic circuit board location skeleton in the mandrel inside in urceolus left side, on the skeleton of electronic circuit board location, be separately installed with treatment circuit plate and be used for the attitude angle acceleration transducer of the detecting core shaft anglec of rotation; The signal output part of attitude angle acceleration transducer is electrically connected by cable with the signal input part for the treatment of circuit plate; Urceolus inner side at electronic circuit board location skeleton left end is provided with 31 core plug-in units; Left end outside at mandrel is provided with the sealing connecting component being connected with rotating short-knot.
the further optimization and/or improvements to above-mentioned utility model technical scheme below:
on above-mentioned urceolus, can be distributed with two spiral balance wing, lay respectively at the outer ring surface rear end of outer ring surface front end and the urceolus of urceolus; The axis projection of two spiral balance wing forms screw wing projection circle, the center of circle of screw wing projection circle be positioned at the urceolus projection center of circle directly over; Or/and spiral balance wing can be fin shape; The thickness of spiral balance wing successively decreases from left to right successively; Between spiral balance wing left end and urceolus, be the skewed of the outer oblique right side,
arc transition between spiral balance wing right-hand member and urceolus.
the angle of pitch acceleration transducer at angle of inclination between detecting core shaft and vertical direction can be installed on the skeleton of above-mentioned electronic circuit board location; Angle of pitch acceleration transducer is fixedly mounted on the Z-direction of sub-wiring board location skeleton; Or/and the middle part inwardly protruding of mandrel has shaft shoulder ring platform, in the mandrel in shaft shoulder ring platform left side, the spacing back-up ring of skeleton is installed; Electronic circuit board location skeleton right-hand member withstands on the spacing back-up ring of skeleton; In the mandrel of electronic circuit board location skeleton left end, be set with buffer limit cover, buffer limit cover left part is sleeved in the housing of core assembly; The outward flange that has outwardly convex at buffer limit cover right part, the buffer limit between the housing right-hand member of outward flange left end and core assembly puts damping spring is installed.
above-mentioned sealing connecting component can comprise jump ring, back-up ring and external thread sleeve; There is outer shroud Ka Tai at the left part of mandrel, on the mandrel in outer shroud card platform left side, be set with external thread sleeve; On the mandrel outside of outer shroud card platform left, have installation annular groove, in installation annular groove, back-up ring is installed, back-up ring is positioned at the left end of external thread sleeve; In the installation annular groove of back-up ring left end, be provided with and can successively back-up ring and external thread sleeve be axially held out against to the jump ring on outer shroud Ka Tai.
the left side of above-mentioned mandrel and right side can be separately installed with left cover cap and right cover cap; Right part at left cover cap has internal thread, and the right part of left cover cap is fixedly mounted on external thread sleeve by screw thread, and the right part of left cover cap is sleeved on mandrel left hand external; At the bossed anti-decylization platform of right cover cap left end, right cover cap by anti-decylization platform spiral-lock in the right side of mandrel.
between above-mentioned external thread sleeve and mandrel, can be installed with sealing ring; Between the inner side left part of left cover cap and mandrel left end outer ring surface, be installed with sealing ring; Between anti-decylization platform and mandrel, be installed with sealing ring.
the utility model reasonable and compact in structure, easy to use; By being arranged on treatment circuit plate and the attitude angle acceleration transducer of mandrel inside, realize and monitor constantly logging instrument probe status, accomplish to regulate and reduce measure error in time, improve log repeatability; Maintain function by the direction of spiral balance wing simultaneously, make density probe better press close to the lower borehole wall, further improve the stability of adherent measurement, practical.
Brief description of the drawings
accompanying drawing 1 is the utility model most preferred embodiment broken section structural representation.
accompanying drawing 2 is the axis projection figure of spiral balance wing outline and urceolus outline.
coding in accompanying drawing is respectively: 1 is mandrel, and 2 is urceolus, and 3 is spiral balance wing, 4 is electronic circuit board location skeleton, and 5 is sealing ring, and 6 is 31 core plug-in units, 7 is anti-decylization platform, and 8 is shaft shoulder ring platform, and 9 is the spacing back-up ring of skeleton, 10 is buffer limit cover, and 11 is outward flange, and 12 is damping spring, 13 is outer shroud Ka Tai, and 14 is back-up ring, and 15 is external thread sleeve, 16 is jump ring, and 17 is left cover cap, and 18 is right cover cap.
Detailed description of the invention
the utility model is not subject to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts is to be all described according to the Butut mode of Figure of description 1, as: the position relationship of upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description 1.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in Figure 1, this probe monitoring attitude retainer comprises mandrel 1, urceolus 2, spiral balance wing 3, electronic circuit board location skeleton 4, treatment circuit plate, attitude angle acceleration transducer, 31 core plug-in unit 6 and sealing connecting components; Be installed with urceolus 2 at the middle part of mandrel 1, on urceolus 2, be distributed with at least two spiral balance wing 3; Be installed with electronic circuit board location skeleton 4 in mandrel 1 inside in urceolus 2 left sides, on the skeleton 4 of electronic circuit board location, be separately installed with treatment circuit plate and be used for the attitude angle acceleration transducer of detecting core shaft 1 anglec of rotation; The signal output part of attitude angle acceleration transducer is electrically connected by cable with the signal input part for the treatment of circuit plate; Urceolus 2 inner sides at electronic circuit board location skeleton 4 left ends are provided with 31 core plug-in units 6; Left end outside at mandrel 1 is provided with the sealing connecting component being connected with rotating short-knot.31 core plug-in units 6 are a kind of existing known plug connector, realize the inside and outside electrical connection of mandrel 1; Mandrel 1 is arranged between rotating short-knot and logging instrument setting-up eccentricity pipe nipple, and is delivered to net horizontal section with brill; Rotating short-knot is with carrying drilling rod to rotate, be connected with rotating short-knot by sealing connecting component, mandrel 1 does not rotate with logging instrument setting-up eccentricity pipe nipple, thus the probe that ensures logging instrument under the Action of Gravity Field of logging instrument setting-up eccentricity pipe nipple, fit under the borehole wall, realize DATA REASONING; Attitude angle acceleration transducer can adopt two axle acceleration sensors or two axial acceleration transducers of list of existing known X-direction and Y direction; On the radial section of electronic circuit board location skeleton 4, setting mandrel 1 center to the direction of the probe laminating sleeve pipe lower end borehole wall of logging instrument is the X-direction of attitude angle acceleration transducer, has the Y direction vertical with X-direction on this radial section; Be made as initial point O with mandrel 1 center line, form the Two Dimensional Rotating coordinate system XOY taking O point as the center of circle; The angle changing value that attitude angle forms while being the utility model rotation; In the time that mandrel 1 keeps motionless and make the probe laminating sleeve pipe lower end borehole wall of logging instrument, attitude angle is using OX axle as starting point, attitude angle is 0 °, when the utility model is subject to carrying drilling rod and mud influence, after mandrel 1 and connected logging instrument setting-up eccentricity pipe nipple rotate, the angle of attitude angle changes; By the attitude angle changing value arriving detecting, the signal of telecommunication is processed and be converted to treated circuit board, then pass through CAN transmission to main control unit; The signal of telecommunication is converted into wireless signal by main control unit; Now monitor staff can receive this wireless signal by ground receiver, and accomplishes to regulate in time mandrel 1, makes attitude angle recover 0 °, ensures the true and reliable of measuring instrument survey data, thereby better obtains qualified log; In addition, on urceolus 2, be also provided with spiral balance wing 3, spiral balance wing 3 can, with boring to the right in course of conveying, can ensure that the probe of logging instrument can be fitted with the sleeve pipe lower end borehole wall all the time, make the steadily of centre of gravity of logging instrument, improve the Stability and veracity of monitoring.
can according to actual needs, above-mentioned probe monitoring attitude retainer be made further optimization and/or improvements:
as shown in Figure 1, on urceolus 2, be distributed with two spiral balance wing 3, lay respectively at the outer ring surface rear end of outer ring surface front end and the urceolus 2 of urceolus 2; The axis projection of two spiral balance wing 3 forms screw wing projection circle, the center of circle of screw wing projection circle be positioned at the urceolus 2 projection centers of circle directly over.The projection center of circle of urceolus 2 shown in accompanying drawing 2 is O, and the center of circle of screw wing projection circle is O ＇, and the balanced support point of spiral balance wing 3 and urceolus 2 is B; The point of the probe of logging instrument and sleeve pipe lower end borehole wall laminating is arranged on the axially-extending line that B orders; According to tumbler stress balance principle, in the time revolving balance wing 3 and urceolus 2 and be subject to External Force Acting, the interference that the balance sysmte forming due to spiral balance wing 3 and urceolus 2 can resist external force, spiral balance wing 3 and urceolus 2 can only be around B point double swerves; Spiral balance wing 3 and urceolus 2 recover static after, balanced support point B is still constant; Also ensure that the probe of logging instrument is fitted in sleeve bottom all the time, improves the stability of adherent measurement simultaneously.
as shown in Figure 1, spiral balance wing 3 is fin shape; The thickness of spiral balance wing 3 successively decreases from left to right successively; Between spiral balance wing 3 left ends and urceolus 2, be the skewed of the outer oblique right side,
arc transition between spiral balance wing 3 right-hand members and urceolus 2.
the angle of pitch acceleration transducer at angle of inclination between detecting core shaft 1 and vertical direction is installed on the skeleton 4 of electronic circuit board location as required; Angle of pitch acceleration transducer is fixedly mounted on the Z-direction of electronic circuit board location skeleton 4.The angle of pitch is angle of inclination value between the utility model axis and horizontal direction; Taking O point as initial point, the horizontal center line of setting mandrel 1 is Z-direction; In the time that the utility model enters inclined shaft or horizontal well lower curved section, between mandrel 1 axis and horizontal center line, form certain angle of pitch, this angle of pitch is the angle of gradient of inclined shaft.
as shown in Figure 1, there is shaft shoulder ring platform 8 in the middle part of mandrel 1 inwardly protruding, the spacing back-up ring 9 of skeleton is installed in the mandrel 1 in shaft shoulder ring platform 8 left sides; Electronic circuit board location skeleton 4 right-hand members withstand on the spacing back-up ring 9 of skeleton; In the mandrel 1 of electronic circuit board location skeleton 4 left ends, be set with buffer limit cover 10, buffer limit overlaps in the housing that 10 left parts are sleeved on 31 core plug-in units 6; Overlapping 10 right parts at buffer limit has the outward flange 11 of outwardly convex, on the buffer limit cover 10 between outward flange 11 left ends and the housing right-hand member of 31 core plug-in units, damping spring 12 is installed.Damping spring 12 can reduce the utility model in the time carrying, reduce vibrations and the impact of electronic circuit board location skeleton 4, treatment circuit plate and angular displacement acceleration transducer, the application life of improving the electric elements such as treatment circuit plate and angular displacement acceleration transducer.
as shown in Figure 1, sealing connecting component comprises jump ring 16, back-up ring 14 and external thread sleeve 15; There is outer shroud card platform 13 at the left part of mandrel 1, on the mandrel 1 in outer shroud card platform 13 left sides, be set with external thread sleeve 15; On mandrel 1 outside of outer shroud card platform 13 lefts, have installation annular groove, in installation annular groove, back-up ring 14 is installed, back-up ring 14 is positioned at the left end of external thread sleeve 15; In the installation annular groove of back-up ring 14 left ends, be provided with and can successively back-up ring 14 and external thread sleeve 15 be axially held out against to the jump ring 16 on outer shroud card platform 13.The right-hand member of rotating short-knot has internal thread, and rotating short-knot links together by screw thread and external thread sleeve 15; Because external thread sleeve 15, jump ring 16 and back-up ring 14 are nested form respectively and between mandrel 1, when rotating short-knot rotates with drilling tool, 1 of mandrel is subject to the axial slide force of rotating short-knot and moves axially, and does not rotate; The probe that can ensure like this measuring instrument is not subject to the impact of turning moment in moving process, and can fit with casing wall bottom all the time.
as shown in Figure 1, be separately installed with left cover cap 17 and right cover cap 18 on left side and the right side of mandrel 1; Right part at left cover cap 17 has internal thread, and the right part of left cover cap 17 is fixedly mounted on external thread sleeve 15 by screw thread, and the right part of left cover cap 17 is sleeved on mandrel 1 left hand external; At the bossed anti-decylization platform 7 of right cover cap 18 left end, right cover cap 18 by anti-decylization platform 7 spiral-locks in the right side of mandrel 1.In the time depositing and transport, left cover cap 17 and right cover cap 18 are used for protecting mandrel 1; When use, dismantled.
as shown in Figure 1, between external thread sleeve 15 and mandrel 1, be installed with sealing ring 5; Between the inner side left part of left cover cap 17 and mandrel 1 left end outer ring surface, be installed with sealing ring 5; Between anti-decylization platform 7 and mandrel 1, be installed with sealing ring 5.Sealing ring 5 plays the effect that increases sealing between contact surface.
above technical characterictic has formed most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.
Claims (10)
1. a probe monitoring attitude retainer, is characterized in that comprising mandrel, urceolus, spiral balance wing, electronic circuit board location skeleton, treatment circuit plate, attitude angle acceleration transducer, 31 core plug-in unit and sealing connecting components; Middle part at mandrel is installed with urceolus, is distributed with at least two spiral balance wing on urceolus; Be installed with electronic circuit board location skeleton in the mandrel inside in urceolus left side, on the skeleton of electronic circuit board location, be separately installed with treatment circuit plate and be used for the attitude angle acceleration transducer of the detecting core shaft anglec of rotation; The signal output part of attitude angle acceleration transducer is electrically connected by cable with the signal input part for the treatment of circuit plate; Urceolus inner side at electronic circuit board location skeleton left end is provided with 31 core plug-in units; Left end outside at mandrel is provided with the sealing connecting component being connected with rotating short-knot.
2. according to the probe monitoring attitude retainer described in claim 1, it is characterized in that sealing connecting component comprises jump ring, back-up ring and external thread sleeve; There is outer shroud Ka Tai at the left part of mandrel, on the mandrel in outer shroud card platform left side, be set with external thread sleeve; On the mandrel outside of outer shroud card platform left, have installation annular groove, in installation annular groove, back-up ring is installed, back-up ring is positioned at the left end of external thread sleeve; In the installation annular groove of back-up ring left end, be provided with and can successively back-up ring and external thread sleeve be axially held out against to the jump ring on outer shroud Ka Tai.
3. probe monitoring attitude retainer according to claim 2, is characterized in that the left side of mandrel and right side are separately installed with left cover cap and right cover cap; Right part at left cover cap has internal thread, and the right part of left cover cap is fixedly mounted on external thread sleeve by screw thread, and the right part of left cover cap is sleeved on mandrel left hand external; At the bossed anti-decylization platform of right cover cap left end, right cover cap by anti-decylization platform spiral-lock in the right side of mandrel.
4. probe monitoring attitude retainer according to claim 3, is characterized in that being installed with sealing ring between external thread sleeve and mandrel; Between the inner side left part of left cover cap and mandrel left end outer ring surface, be installed with sealing ring; Between anti-decylization platform and mandrel, be installed with sealing ring.
5. according to the probe monitoring attitude retainer described in claim 1 or 2 or 3 or 4, it is characterized in that being distributed with two spiral balance wing on urceolus, lay respectively at the outer ring surface rear end of outer ring surface front end and the urceolus of urceolus; The axis projection of two spiral balance wing forms screw wing projection circle, the center of circle of screw wing projection circle be positioned at the urceolus projection center of circle directly over; Or/and spiral balance wing is fin shape; The thickness of spiral balance wing successively decreases from left to right successively; Between spiral balance wing left end and urceolus, be the skewed of the outer oblique right side, arc transition between spiral balance wing right-hand member and urceolus.
6. according to the probe monitoring attitude retainer described in claim 1 or 2 or 3 or 4, it is characterized in that being provided with on the skeleton of electronic circuit board location the angle of pitch acceleration transducer at angle of inclination between detecting core shaft and vertical direction; Angle of pitch acceleration transducer is fixedly mounted on the Z-direction of sub-wiring board location skeleton.
7. probe according to claim 5 is monitored attitude retainer, it is characterized in that being provided with on the skeleton of electronic circuit board location the angle of pitch acceleration transducer at angle of inclination between detecting core shaft and vertical direction; Angle of pitch acceleration transducer is fixedly mounted on the Z-direction of sub-wiring board location skeleton.
8. according to the probe monitoring attitude retainer described in claim 1 or 2 or 3 or 4, the middle part inwardly protruding that it is characterized in that mandrel has shaft shoulder ring platform, in the mandrel in shaft shoulder ring platform left side, the spacing back-up ring of skeleton is installed, electronic circuit board location skeleton right-hand member withstands on the spacing back-up ring of skeleton, in the mandrel of electronic circuit board location skeleton left end, be set with buffer limit cover, buffer limit cover left part is sleeved in the housing of core assembly, there is the outward flange of outwardly convex at buffer limit cover right part, buffer limit between the housing right-hand member of outward flange left end and core assembly puts damping spring is installed, or/and the middle part inwardly protruding of mandrel has shaft shoulder ring platform, in the mandrel in shaft shoulder ring platform left side, the spacing back-up ring of skeleton is installed, electronic circuit board location skeleton right-hand member withstands on the spacing back-up ring of skeleton, in the mandrel of electronic circuit board location skeleton left end, be set with buffer limit cover, buffer limit cover left part is sleeved in the housing of core assembly, the outward flange that has outwardly convex at buffer limit cover right part, the buffer limit between the housing right-hand member of outward flange left end and core assembly puts damping spring is installed.
9. probe monitoring attitude retainer according to claim 5, the middle part inwardly protruding that it is characterized in that mandrel has shaft shoulder ring platform, in the mandrel in shaft shoulder ring platform left side, the spacing back-up ring of skeleton is installed, electronic circuit board location skeleton right-hand member withstands on the spacing back-up ring of skeleton, in the mandrel of electronic circuit board location skeleton left end, be set with buffer limit cover, buffer limit cover left part is sleeved in the housing of core assembly, the outward flange that has outwardly convex at buffer limit cover right part, the buffer limit between the housing right-hand member of outward flange left end and core assembly puts damping spring is installed; Or/and the middle part inwardly protruding of mandrel has shaft shoulder ring platform, in the mandrel in shaft shoulder ring platform left side, the spacing back-up ring of skeleton is installed; Electronic circuit board location skeleton right-hand member withstands on the spacing back-up ring of skeleton; In the mandrel of electronic circuit board location skeleton left end, be set with buffer limit cover, buffer limit cover left part is sleeved in the housing of core assembly; The outward flange that has outwardly convex at buffer limit cover right part, the buffer limit between the housing right-hand member of outward flange left end and core assembly puts damping spring is installed.
10. probe monitoring attitude retainer according to claim 7, the middle part inwardly protruding that it is characterized in that mandrel has shaft shoulder ring platform, in the mandrel in shaft shoulder ring platform left side, the spacing back-up ring of skeleton is installed, electronic circuit board location skeleton right-hand member withstands on the spacing back-up ring of skeleton, in the mandrel of electronic circuit board location skeleton left end, be set with buffer limit cover, buffer limit cover left part is sleeved in the housing of core assembly, there is the outward flange of outwardly convex at buffer limit cover right part, buffer limit between the housing right-hand member of outward flange left end and core assembly puts damping spring is installed, or/and the middle part inwardly protruding of mandrel has shaft shoulder ring platform, in the mandrel in shaft shoulder ring platform left side, the spacing back-up ring of skeleton is installed, electronic circuit board location skeleton right-hand member withstands on the spacing back-up ring of skeleton, in the mandrel of electronic circuit board location skeleton left end, be set with buffer limit cover, buffer limit cover left part is sleeved in the housing of core assembly, the outward flange that has outwardly convex at buffer limit cover right part, the buffer limit between the housing right-hand member of outward flange left end and core assembly puts damping spring is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420193947.4U CN203925476U (en) | 2014-04-21 | 2014-04-21 | Probe monitoring attitude retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420193947.4U CN203925476U (en) | 2014-04-21 | 2014-04-21 | Probe monitoring attitude retainer |
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| Publication Number | Publication Date |
|---|---|
| CN203925476U true CN203925476U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420193947.4U Expired - Fee Related CN203925476U (en) | 2014-04-21 | 2014-04-21 | Probe monitoring attitude retainer |
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| CN (1) | CN203925476U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318733A (en) * | 2019-07-29 | 2019-10-11 | 中铁第四勘察设计院集团有限公司 | A kind of well logging apparatus, integration probe and its control method for horizontal wellbore logging |
-
2014
- 2014-04-21 CN CN201420193947.4U patent/CN203925476U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318733A (en) * | 2019-07-29 | 2019-10-11 | 中铁第四勘察设计院集团有限公司 | A kind of well logging apparatus, integration probe and its control method for horizontal wellbore logging |
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20190822 Address after: 100120 Liupu Kang, Xicheng District, Beijing Co-patentee after: CHINA PETROLEUM LOGGING Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 834000 Yujiannan Road 217 Logging Company, Karamay City, Xinjiang Uygur Autonomous Region Patentee before: CNPC Xibu Drilling Engineering Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 |