CN203130080U - Experimental device of direction gamma logging instrument - Google Patents
Experimental device of direction gamma logging instrument Download PDFInfo
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- CN203130080U CN203130080U CN201320004379.4U CN201320004379U CN203130080U CN 203130080 U CN203130080 U CN 203130080U CN 201320004379 U CN201320004379 U CN 201320004379U CN 203130080 U CN203130080 U CN 203130080U
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- drill collar
- rock
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- rock module
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Abstract
The utility model discloses an experimental device of a direction gamma logging instrument. The experimental device of the direction gamma logging instrument comprises an experimental drill collar and a rock module, wherein grooves are formed in the arc-shaped surface of the experimental drill collar, and the grooves are separated by 180 degrees. Gamma sensors, a triaxial accelerometer and a signal processing circuit are arranged in the grooves and are sealed on the drill collar by metal cover plates. The grooves of the experimental drill collar are V-shaped grooves. Metal shielding layers are arranged on bottoms of the grooves. One end of the experimental drill collar is connected with a multi-core slip ring. The signal processing circuit builds circuit connection with the multi-core slip ring. The other end of the experimental drill collar is connected with a transmission shaft. The transmission shaft is connected with a rotation driving mechanism. The multi-core slip ring and the transmission shaft are fixed on a platform through a shaft seat. The rock module is composed of various radioactive rock blocks. The inner cylinder wall of the rock module and the experimental drill collar form a gap and are matched in a rotary mode. The experimental device of the direction gamma logging instrument is exquisite in design, the rock module can be replaced flexibly, the size of an inner hole can be regulated, and measurement accuracy and direction features of the direction gamma logging instrument can be demarcated accurately.
Description
Technical field
The utility model relates to logger experimental facilities field, specifically is the experimental facilities of a kind of orientation gamma-ray tool.
Background technology
The measuring principle of orientation gamma-ray tool is, two gamma sensor are installed in two V-shaped grooves that are inlaid with the gamma ray metal screen layer, and each gamma sensor receives only the gamma ray on stratum in the sector region corresponding with it, therefore not only can in drilling process, measure formation lithology in real time, can also differentiate the upper and lower interface lithologic character, effectively find the top cap rock of reservoir, catch the best opportunity that enters reservoir.In addition, because 3-axis acceleration sensor and gamma sensor are installed in the same measurement pipe nipple, therefore when differentiating the upper and lower interface lithologic character, can also measure hole deviation and the drilling tool rotation status of this point in real time, be conducive to control drilling tool and run in the guide the oil reservoir optimum position, can realize geosteering effectively.
Conventional gamma-ray tool scale experimental facilities normally is made up of shell, packing material, well, and shell is through antiseptic drum, and well is positioned on the enclosure axis, and packing material is the uniform radioactivity concrete of artificial preparation.Yet because packing material is uniform radioactive substance, thus the lithology stratum different with simulation can not be distinguished, thus can't carry out orientation gamma-ray tool experiment, and bulky, do not have the function of rotary test.
The utility model content
The purpose of this utility model is the problem that exists at prior art, provides a kind of and can measure radioactivity rock module lithology in real time under rotation status, can also differentiate the experimental facilities of the orientation gamma-ray tool of lithologic interface feature.
In order to address the above problem, the experimental facilities of a kind of orientation of the present utility model gamma-ray tool comprises: experiment drill collar, rock module.Wherein test the drill collar arc-shaped surface and be separated by 180 ° and slot, in gamma sensor, three axis accelerometer and the signal processing circuit resettlement groove, and be sealed on the drill collar by metal cover board.It is characterized in that: the fluting of experiment drill collar is " V " type groove, be provided with metal screen layer at bottom land, an end of experiment drill collar connects the multicore slip ring, and signal processing circuit is set up circuit with the multicore slip ring and is connected, the experiment drill collar other end connects power transmission shaft, and power transmission shaft is connected with rotary drive mechanism; Multicore slip ring and power transmission shaft are fixed on the platform by axle bed respectively; The rock module is made up of multiple different radioactivity rock pieces, and the rock module is cylindrical body, and rock module inner tube wall forms the gap rotation with the experiment drill collar and cooperates.
The rock module is the cylindrical body of integrative-structure, or two involutory cylindrical body.
Such scheme also comprises:
On platform, platform is provided with the line slideway perpendicular to the experiment drill collar to the rock module by bracket support, and the carriage bottom is provided with the slide block that is slidingly matched with linear ramp.
Described carriage has height adjustment mechanism.
Described rotary drive mechanism comprises following a kind of: motor cooperates with belt, belt pulley, and motor cooperates with gear or gear train, and handle or handle cooperate with gear train.
Motor in the motor-driven is buncher.
In the technical solution of the utility model, by the orientation gamma experiment drill collars that drill collar, two V-type grooves, metal screen layer and metal cover boards are formed, be used for drill collar that simulation actual well drilled engineering uses to the attenuation of built-in gamma sensor measured value;
The high low-activity rock piece of hole dimension in adopt regulating, the fixedly frame construction of rock module and the rock module of the guide rail composition that can slide are in order to simulate one or more different stratum;
Multicore sliding ring connector, power transmission shaft, motor and the rotating mechanism that drags the belt composition drive drill collar with certain rotating speed rotation, in order to simulate the rotation of down-hole equipment.
The utlity model has following effect:
The utility model deft design, volume are little, the no magnetic material of whole employing, and using driving belt to drive drill collar rotates, avoided the interference of external electromagnetic field, and can change the rock module flexibly and adjust hole dimension in the rock module, demarcate certainty of measurement and the orientation characteristic of orientation gamma-ray tool accurately, for this instrument provides survey data accurately.Except, the utility model also has: 1) two gamma sensor of installing on the experiment drill collar only receive the natural gamma rays from high emitting layer or low emitting layer respectively in drill collar rotates a circle; 2) adopt the different different stratum of rock piece simulation of high low-activity, by the guide rail slip rock piece is combined during experiment, make that being formed centrally a closure in the rock piece can adjust and the cylinder of testing the drill collar gap, at this moment the survey mark of gamma overlaps substantially with the center of drill collar center and rock piece, the upper and lower interface of the rock cylinder simulation actual formation that this is closed; 3) for fear of the external electromagnetic field interference, experimental facilities except electric machine external on a platform, also be provided with on the platform for the support of fine setting rock module lifting with keep with the experiment drill collar of rotation on an axis; 4) motor speed is adjustable, with the drilling tool rotation of different rotating speeds under the simulation well.
Description of drawings
Fig. 1 is perspective view of the present utility model;
Fig. 2 is that experiment drill collar and the rock module section of Fig. 1 amplifies schematic cross-section;
Fig. 3 is the schematic cross-section of Fig. 2.
Among the figure: 1, experiment drill collar, 2, rock module, 3, the rock module bracket, 4, guide rail, 5, carriage governor motion, 6, sliding ring connector, 7, power transmission shaft, 8, driving belt, 9, motor, 10, platform, 11, V-type groove (A), 12, gamma sensor (A), 13, metal cover board (A), 14, metal screen layer (A), 15, V-type groove (B), 16, gamma sensor (B), 17, metal cover board (B), 18, metal screen layer (B), 19, signal processing circuit, 20,3-axis acceleration sensor.
The specific embodiment
Now by reference to the accompanying drawings 1,2 and 3 and specific embodiment the utility model is further described.
As shown in Figure 1, this experimental facilities comprises experiment drill collar 1, rock module 2, motor drawing rotation mechanism composition.Two ends at experiment drill collar 1 are connected with sliding ring connector 6 and power transmission shaft 7 respectively, by the gamma sensor (A) 12 on 6 pairs of experiment drill collars 1 of sliding ring connector, gamma sensor (B) 16,3-axis acceleration sensor 20 and signal processing circuit 19 power supplies and signal transmission.Power transmission shaft 7 is connected to whole experiment drill collar of motor 9 drives by driving belt 8 and rotates.Rock module 2 is installed on the carriage 3, and carriage 3 is provided with rock module micro-adjusting mechanism 5,3 times connection guide rails 4 of carriage.The orientation gamma-ray tool of being made up of gamma sensor (A) 12, gamma sensor (B) 16,3-axis acceleration sensor 20 and signal processing circuit 19 just is installed on the above-mentioned experiment drill collar 1, and places different rock modules formation endoporus to be rotated test.Whole device is arranged on the platform 10.
As shown in Figure 2, the two ends of experiment drill collar 1 are connected with sliding ring connector 6 and power transmission shaft 7 respectively, realize being electrically connected and the rotary test function.A V-shaped groove (A) 11 is opened in any one side of experiment drill collar 1 body 1, as the measurement flash of instrument, opens a V-shaped groove (B) 15 in another relative with it 180 ° side, as the low limit of the measurement of instrument.V- shaped groove 11 and 15 bottom land surface are inlaid with metal screen layer 14 and 18, signal processing circuit 19 and gamma sensor (A) 12 are installed in V-shaped groove 11, a 3-axis acceleration sensor 20 and gamma sensor (B) 16 are installed in V-shaped groove 15, metal cover board 13 and 17 is pressed in V- shaped groove 11 and 15 outward flanges respectively, is testing on the drill collar 1 by bolton.Gamma sensor (A) 12 and (B) the 16 natural gamma radioactivity intensity of measuring stratum, 3-axis acceleration sensor 20 is measured the acceleration of gravity of three direction in spaces, its output signal is handled by signal processing circuit 19, obtains formation lithology information, the experiment drill collar rotation status of survey mark simultaneously.
As shown in Figure 3, the endoporus that experiment drill collar 1 outer wall and rock module 2 form should leave certain clearance, knock rock module bore area when preventing from testing the drill collar rotation, rock module 2 is by being installed on the height of the rock module micro-adjusting mechanism 5 adjustment rock modules on the rock module bracket 3, guarantee that rock module endoporus axle center and experiment drill collar axle center are consistent, and the rock module can be adjusted the gap between endoporus and experiment drill collar 1 outer wall, in order to demarcate the investigation depth of orientation gamma-ray tool.
Above-mentioned experimental facilities integral body all uses no magnetic material (for example aluminium alloys) to make except motor, the non magnetic drill collar material that experiment drill collar 1 adopts wellbore construction to use, rock module 2 inner hole walls are made by glass fiber reinforced plastic, carriage 3 is all made with aluminium alloys with micro-adjusting mechanism (support) 5, can be good at avoiding outside ferromagnetic material influence like this, can guarantee the measurement accuracy of orientation gamma-ray tool.
In addition, rock module of the present utility model can adopt one or more radioactive rock pieces, in order to simulate one or more different stratum, forms a plurality of sectors, realizes that the orientation gamma-ray tool is to differentiation and the detectivity on a plurality of stratum.
In sum; only for the preferable example of executing of the present utility model, be not for restriction protection domain of the present utility model, therefore below; all any modifications of within spirit of the present utility model and principle, doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (6)
1. the experimental facilities of an orientation gamma-ray tool, comprise experiment drill collar, rock module, wherein test the drill collar arc-shaped surface 180 ° of flutings of being separated by, in gamma sensor, three axis accelerometer and the signal processing circuit resettlement groove, and be sealed on the drill collar by metal cover board, it is characterized in that: the fluting of experiment drill collar is " V " type groove, be provided with metal screen layer at bottom land, one end of experiment drill collar connects the multicore slip ring, signal processing circuit is set up circuit with the multicore slip ring and is connected, the experiment drill collar other end connects power transmission shaft, and power transmission shaft is connected with rotary drive mechanism; Multicore slip ring and power transmission shaft are fixed on the platform by axle bed respectively; The rock module is made up of multiple different radioactivity rock pieces, and the rock module is cylindrical body, and rock module inner tube wall forms the gap rotation with the experiment drill collar and cooperates.
2. the experimental facilities of orientation gamma-ray tool according to claim 1, it is characterized in that: the rock module is the cylindrical body of integrative-structure, or two involutory cylindrical body.
3. as the experimental facilities of orientation gamma-ray tool as described in the claim 2, it is characterized in that: on platform, platform is provided with the line slideway perpendicular to the experiment drill collar to the rock module by bracket support, and the carriage bottom is provided with the slide block that is slidingly matched with line slideway.
4. as the experimental facilities of orientation gamma-ray tool as described in the claim 3, it is characterized in that: described carriage has height adjustment mechanism.
5. the experimental facilities of orientation gamma-ray tool as described in arbitrary as claim 1-4, it is following a kind of to it is characterized in that described rotary drive mechanism comprises: motor cooperates with belt, belt pulley, motor cooperates with gear or gear train, and handle or handle cooperate with gear train.
6. as the experimental facilities of orientation gamma-ray tool as described in the claim 5, it is characterized in that: the motor in the motor-driven is buncher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320004379.4U CN203130080U (en) | 2013-01-06 | 2013-01-06 | Experimental device of direction gamma logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320004379.4U CN203130080U (en) | 2013-01-06 | 2013-01-06 | Experimental device of direction gamma logging instrument |
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| Publication Number | Publication Date |
|---|---|
| CN203130080U true CN203130080U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201320004379.4U Withdrawn - After Issue CN203130080U (en) | 2013-01-06 | 2013-01-06 | Experimental device of direction gamma logging instrument |
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| CN (1) | CN203130080U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912265A (en) * | 2013-01-06 | 2014-07-09 | 中国石油化工股份有限公司 | Experimental device for orientation gamma-ray tool |
| CN104764753A (en) * | 2014-12-03 | 2015-07-08 | 中国能源建设集团安徽电力建设第二工程有限公司 | Transmission splittable hand-shaken gamma ray flaw detection machine |
| CN108625845A (en) * | 2017-03-17 | 2018-10-09 | 中石化石油工程技术服务有限公司 | One kind decoupling scale method and graduation apparatus with orientation gamma is bored |
| CN108625844A (en) * | 2017-03-17 | 2018-10-09 | 中石化石油工程技术服务有限公司 | A kind of calibration of gamma and test device |
| CN109669216A (en) * | 2019-02-11 | 2019-04-23 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | A kind of wireless drilling gamma-spectrometry unit test system and application method |
| CN115355813A (en) * | 2022-10-21 | 2022-11-18 | 北京科技大学 | High-precision three-axis nonmagnetic test turntable system |
-
2013
- 2013-01-06 CN CN201320004379.4U patent/CN203130080U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912265A (en) * | 2013-01-06 | 2014-07-09 | 中国石油化工股份有限公司 | Experimental device for orientation gamma-ray tool |
| CN103912265B (en) * | 2013-01-06 | 2017-03-08 | 中国石油化工股份有限公司 | A kind of experimental provision of azimuth gamma well-logging instrument |
| CN104764753A (en) * | 2014-12-03 | 2015-07-08 | 中国能源建设集团安徽电力建设第二工程有限公司 | Transmission splittable hand-shaken gamma ray flaw detection machine |
| CN104764753B (en) * | 2014-12-03 | 2017-04-05 | 中国能源建设集团安徽电力建设第二工程有限公司 | A kind of detachable hand-rail type gamma defectoscope of transmission |
| CN108625845A (en) * | 2017-03-17 | 2018-10-09 | 中石化石油工程技术服务有限公司 | One kind decoupling scale method and graduation apparatus with orientation gamma is bored |
| CN108625844A (en) * | 2017-03-17 | 2018-10-09 | 中石化石油工程技术服务有限公司 | A kind of calibration of gamma and test device |
| CN108625845B (en) * | 2017-03-17 | 2021-08-24 | 中石化石油工程技术服务有限公司 | While-drilling orientation gamma decoupling calibration method and calibration device |
| CN109669216A (en) * | 2019-02-11 | 2019-04-23 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | A kind of wireless drilling gamma-spectrometry unit test system and application method |
| CN109669216B (en) * | 2019-02-11 | 2024-02-06 | 中国石油天然气集团有限公司 | Wireless while-drilling gamma measurement unit test system and use method |
| CN115355813A (en) * | 2022-10-21 | 2022-11-18 | 北京科技大学 | High-precision three-axis nonmagnetic test turntable system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151023 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: Sinopec Corp. Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: Sinopec Corp. Patentee before: Well-Drilling Technology Inst., Shengli Petroleum Administration, SINOPEC |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130814 Effective date of abandoning: 20171114 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130814 Effective date of abandoning: 20171114 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |