CN202882903U - Enhancement type compensation neutron logging instrument - Google Patents
Enhancement type compensation neutron logging instrument Download PDFInfo
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- CN202882903U CN202882903U CN 201220524220 CN201220524220U CN202882903U CN 202882903 U CN202882903 U CN 202882903U CN 201220524220 CN201220524220 CN 201220524220 CN 201220524220 U CN201220524220 U CN 201220524220U CN 202882903 U CN202882903 U CN 202882903U
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- probe
- neutron
- enhancement mode
- bottle
- mode compensation
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- 239000000523 sample Substances 0.000 claims description 32
- AFAUWLCCQOEICZ-UHFFFAOYSA-N helium xenon Chemical compound [He].[Xe] AFAUWLCCQOEICZ-UHFFFAOYSA-N 0.000 claims description 26
- 238000012545 processing Methods 0.000 claims description 22
- 230000015572 biosynthetic process Effects 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 9
- 239000006096 absorbing agent Substances 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model discloses an enhancement type compensation neutron logging instrument which comprises a shell body, a neutron source component which is arranged inside the shell body and used for emitting neutrons to a stratum, and a heat insulation bottle component arranged inside the shell body, wherein a logging device which collects and processes porosity data of a stratum underground according to instructions of a ground system and sends the porosity data of the stratum underground to the ground system is arranged inside the heat insulation bottle component. The enhancement type compensation neutron logging instrument is low in energy consumption, high in circuit module integration, high in temperature performance, small in size, and short in instrument length.
Description
Technical field
The utility model relates to a kind of logging instrument for measuring formation porosity, and particularly the neutron source of utilizing in the mine locating drilling well is measured the logger of formation porosity.
Background technology
Compensation neutron logger is a kind of of radioactive logging instrument.It has the probe of the thermal neutron-epithermal neutron of two different spacings, determines the voidage on stratum by the count rate ratio of long and short spacing detector.At present, domestic logging program commonly used is ECLIPS 5700, EX2CELL 2000 and HH2530 three large series, the logging system that three kinds of compensation neutron logger articulate is different, data transfer mode is also different, but basic operating principle is identical: all be the probe of the thermal neutron-epithermal neutron of two different spacings, determine the voidage on stratum by the count rate ratio of long and short spacing detector.But such compensation neutron logger adopts the integrated components and parts of middle and small scale in a large number; device uses many and volume is large; therefore only be that partial circuit is packed in the metal heat insulation bottle; and then be sealed in the metal bearing shell, other circuit then can't be encapsulated in and realize the high temperature protection function in the metal heat insulation bottle.In addition, the power supply of existing compensation neutron logger has+5 volts of power supplys ,+12 volts of power supplys ,-12 volts of power supplys, power consumption is large, causes a bottle interior temperature to raise very fast.Two problems that above prior art exists have affected the resistance to elevated temperatures of whole compensation neutron logger.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of heat-resisting quantity can better the enhancement mode compensation neutron logger, and it is low in energy consumption, and the circuit module integrated level is high, and temperature performance is high, and volume is little, and tool length is short.
To achieve these goals, enhancement mode compensation neutron logger of the present utility model comprises: housing; Be installed in the Neutron source assembly in the housing, be used for to the stratum given-ioff neutron; Be installed in the dewar bottle assembly in the housing, degree of porosity data acquisition and the processing of down-hole formation are carried out in the instruction of its in-built with good grounds ground system, and the degree of porosity data of described down-hole formation are sent to the well logging apparatus of ground system.
Wherein, described well logging apparatus comprises: probe, and the down-hole epithermal neutron that the neutron of launching by measurement stratum and described Neutron source assembly interacts and produces produces corresponding detection signal; The preamplifier that connects probe is for the detection signal that amplifies probe; The acquisition processing module that connects preamplifier is used for receiving and processing the degree of porosity data that the probe detection signal that amplifies through preamplifier obtains down-hole formation; The communication module that connects acquisition processing module is used for receiving the ground order and sends to acquisition processing module and the down-hole formation degree of porosity data of acquisition processing module are sent to ground system.
Preferably, described probe, preamplifier, communication module, acquisition processing module are integrated on the communication board.
Preferably, each module of also being included as on the described communication board of described well logging apparatus provides+5 volts of galvanic power modules.
Wherein, described dewar bottle assembly comprises: adiabatic bottle; Be installed in respectively dewar bottle top connection and the dewar bottle lower contact at adiabatic bottle two ends; Be installed in the absorber in the adiabatic bottle body; Wherein, described well logging apparatus is placed in the adiabatic bottle body.
Preferably, described probe comprises the first probe and the second probe.
Particularly, described the first probe comprises: the first helium xenon pipe shell; Be installed in the first helium xenon pipe in the first helium xenon pipe shell; Be installed in the first helium xenon pipe shell one end for the first base that is fixed.
Particularly, described the second probe comprises: the second helium xenon pipe shell and be installed in sleeve in the second helium xenon pipe shell; Be installed in the second helium xenon pipe in the sleeve; Be used for fixing the second base of the second helium xenon pipe shell and sleeve.
Particularly, be provided with dampening assembly between described the second base and the described adiabatic bottle body bottom.
Preferably, be provided with instlated tubular between described absorber and described dewar bottle top connection.
Compared with prior art, enhancement mode compensation neutron logger of the present utility model has following advantage:
1) the utility model is placed in the dewar bottle component internal with well logging apparatus, therefore reduced the volume of compensation neutron logger, shorten the tool length of compensation neutron logger, thereby improved the resistance to elevated temperatures of compensation neutron logger, and then strengthened the well logging timeliness of compensation neutron logger;
2) the utility model adopts+5 volts of power supplys as power supply, and is therefore low in energy consumption, the rate of climb of having slowed down the dewar bottle internal temperature.
Below in conjunction with accompanying drawing the utility model is elaborated.
Description of drawings
Fig. 1 is the structural representation of enhancement mode compensation neutron logger of the present utility model;
Fig. 2 is the structural representation of dewar bottle assembly of the present utility model.
Description of reference numerals: 1-helmet; 2-socket collar; 3,20-socket; The 6-top connection; The 8-lower contact; The 10-plug; The 11-housing; The 12-Neutron source assembly; The 13-retaining ring; The 23-pressure block; 100-dewar bottle assembly; The top connection of 101-dewar bottle; The adiabatic bottle of 102-; The lower contact of 103-dewar bottle; The 104-alignment pin; The 105-instlated tubular; The 106-absorber; The 107-circuit carriers; The lower contact of 109-dewar bottle; 110-the first base; The 111-second housing; The 112-sleeve; 113-the second base; The 114-cushion socket; The 116-beam; The 118-socket; The 121-communication board; 122-the first helium xenon pipe; 123-the second helium xenon pipe; The 130-power module.
The specific embodiment
As shown in Figure 1, enhancement mode compensation neutron logger of the present utility model comprises: housing 11; Be installed in the Neutron source assembly 12 in the housing 11, be used for to the stratum given-ioff neutron; Be installed in the dewar bottle assembly 100 in the housing 11, degree of porosity data acquisition and the processing of down-hole formation are carried out in the instruction of its in-built with good grounds ground system, and the degree of porosity data of described down-hole formation are sent to the well logging apparatus of ground system.
Concrete, as shown in Figure 1, housing 11 is comprised of upper shell and two housings of lower house, upper shell and lower house are threaded connection, be separately installed with helmet 1 and plug 10 at upper shell and lower house, and upper shell is connected by top connection 6 with helmet 1, and lower house is connected by lower contact 8 with plug.Dewar bottle assembly 100 is installed in the upper shell, be equipped with in the lower house and the Neutron source assembly 12 of dewar bottle assembly by connection, wherein, degree of porosity data acquisition and the processing of down-hole formation carried out in the instruction of dewar bottle assembly 100 in-built with good grounds ground systems, and the degree of porosity data of down-hole formation are sent to the well logging apparatus of ground system, and Neutron source assembly is used for to the stratum given-ioff neutron.Be provided with retaining ring 13 in the upper shell in order to an end of dewar bottle assembly 100 is fixed, prevent that the dewar bottle assembly from rocking in housing, and be provided with socket 3 in the junction of top connection and helmet and be used for the socket collar 2 of fixed socket, this socket and dewar bottle assembly pass through connection.Lower house is mounted with the socket 20 that is connected with Neutron source assembly with the junction of lower contact 8, and in order to cushion the enhancement mode compensation neutron logger at work to the active force of Neutron source assembly, is provided with pressure block 23 in the junction of Neutron source assembly and lower contact.
As shown in Figure 2, dewar bottle assembly 100 of the present utility model comprises: adiabatic bottle 102; Be installed in respectively the dewar bottle top connection 101 and dewar bottle lower contact 103 at adiabatic bottle 102 two ends; Be installed in the absorber 106 in adiabatic bottle 102 bodies, itself and 101 of dewar bottle top connections are provided with instlated tubular 105.Wherein, well logging apparatus is placed in adiabatic bottle 102 bodies.
Well logging apparatus of the present utility model comprises: probe, and the down-hole epithermal neutron that the neutron of launching by measurement stratum and Neutron source assembly interacts and produces produces corresponding detection signal; The preamplifier that connects probe is for the detection signal that amplifies probe; The acquisition processing module that connects preamplifier is used for receiving and processing the degree of porosity data that the probe detection signal that amplifies through preamplifier obtains down-hole formation; The communication module that connects acquisition processing module is used for receiving the ground order and sends to acquisition processing module and the down-hole formation degree of porosity data of acquisition processing module are sent to ground system.Wherein, probe, preamplifier, communication module, acquisition processing module are integrated on the communication board 121, in addition, each module that well logging apparatus also is included as on the communication board 121 provides+5 volts of galvanic power modules 130, and communication board 121 and power module 130 are fixed in the housing by circuit carriers 107.
Wherein, probe comprises the first probe and the second probe.The first probe comprises: the first helium xenon pipe shell 109; Be installed in the first helium xenon pipe 122 in the first helium xenon pipe shell 109; Be installed in the first helium xenon pipe shell 109 1 ends for the first base 110 that is fixed; The second probe comprises: the second helium xenon pipe shell 111 and be installed in sleeve 112 in the second helium xenon pipe shell 111; Be installed in the second helium xenon pipe 123 in the sleeve 112; Be used for fixing the second base 113 of the second helium xenon pipe shell 111 and sleeve 112, and be provided with dampening assembly between the second base 113 and adiabatic bottle 102 bottoms, this dampening assembly is comprised of cushion socket 114 and beam 116, wherein cushion socket is connected with the second base through screws, beam is close to the bottom of adiabatic bottle 102, is used for cushioning the impact force of adiabatic bottle 102 and Neutron source assembly.And, for convenient the dewar bottle assembly is installed in the housing 11, be provided with alignment pin 104 in dewar bottle lower contact 103, and in dewar bottle lower contact 103, also be mounted with socket 118, itself and Neutron source assembly pass through connection.
Although above the utility model is had been described in detail, the utility model is not limited to this, and those skilled in the art of the present technique can carry out various modifications according to principle of the present utility model.Therefore, all modifications of doing according to the utility model principle all should be understood to fall into protection domain of the present utility model.
Claims (10)
1. an enhancement mode compensation neutron logger is characterized in that, comprising:
Housing (11);
Be installed in the Neutron source assembly (12) in the housing (11), be used for to the stratum given-ioff neutron;
Be installed in the dewar bottle assembly (100) in the housing (11), degree of porosity data acquisition and the processing of down-hole formation are carried out in the instruction of its in-built with good grounds ground system, and the degree of porosity data of described down-hole formation are sent to the well logging apparatus of ground system.
2. enhancement mode compensation neutron logger according to claim 1 is characterized in that, described well logging apparatus comprises:
Probe, the down-hole epithermal neutron that the neutron of launching by measurement stratum and described Neutron source assembly (12) interacts and produces produces corresponding detection signal;
The preamplifier that connects probe is for the detection signal that amplifies probe;
The acquisition processing module that connects preamplifier is used for receiving and processing the degree of porosity data that the probe detection signal that amplifies through preamplifier obtains down-hole formation;
The communication module that connects acquisition processing module is used for receiving the ground order and sends to acquisition processing module and the down-hole formation degree of porosity data of acquisition processing module are sent to ground system.
3. enhancement mode compensation neutron logger according to claim 2 is characterized in that, described probe, preamplifier, communication module, acquisition processing module are integrated on the communication board (121).
4. enhancement mode compensation neutron logger according to claim 3 is characterized in that, each module that described well logging apparatus also is included as on the described communication board (121) provides+5 volts of galvanic power modules (130).
5. enhancement mode compensation neutron logger according to claim 1 is characterized in that, described dewar bottle assembly (100) comprising:
Adiabatic bottle (102);
Be installed in respectively the dewar bottle top connection (101) and dewar bottle lower contact (103) at adiabatic bottle (102) two ends;
Be installed in the absorber (106) in adiabatic bottle (102) body;
Wherein, described well logging apparatus is placed in adiabatic bottle (102) body.
6. enhancement mode compensation neutron logger according to claim 1 is characterized in that, described probe comprises the first probe and the second probe.
7. enhancement mode compensation neutron logger according to claim 6 is characterized in that, described the first probe comprises:
The first helium xenon pipe shell (109);
Be installed in the first helium xenon pipe (122) in the first helium xenon pipe shell (109);
Be installed in the first helium xenon pipe shell (109) one ends for the first base (110) that is fixed.
8. enhancement mode compensation neutron logger according to claim 6 is characterized in that, described the second probe comprises:
The second helium xenon pipe shell (111) and be installed in sleeve (112) in the second helium xenon pipe shell (111);
Be installed in the second helium xenon pipe (123) in the sleeve (112);
Be used for fixing second base (113) of the second helium xenon pipe shell (111) and sleeve (112).
9. enhancement mode compensation neutron logger according to claim 8 is characterized in that, is provided with dampening assembly between described the second base (113) and described adiabatic bottle (102) bottom.
10. enhancement mode compensation neutron logger according to claim 5 is characterized in that, is provided with instlated tubular (105) between described absorber (106) and described dewar bottle top connection (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220524220 CN202882903U (en) | 2012-10-12 | 2012-10-12 | Enhancement type compensation neutron logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220524220 CN202882903U (en) | 2012-10-12 | 2012-10-12 | Enhancement type compensation neutron logging instrument |
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| Publication Number | Publication Date |
|---|---|
| CN202882903U true CN202882903U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220524220 Expired - Lifetime CN202882903U (en) | 2012-10-12 | 2012-10-12 | Enhancement type compensation neutron logging instrument |
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| CN (1) | CN202882903U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105307374A (en) * | 2015-11-25 | 2016-02-03 | 中国石油集团钻井工程技术研究院 | Neutron generator for measurement while drilling |
| CN105350951A (en) * | 2015-11-02 | 2016-02-24 | 中国船舶重工集团公司第七一八研究所 | Heat preservation and pre-cooling device used for elemental logger probe BGO crystal detector |
| CN106609666A (en) * | 2015-10-27 | 2017-05-03 | 北京环鼎科技有限责任公司 | A metal heat insulation device for a logging instrument for small boreholes with high temperature and high pressure |
| CN109236270A (en) * | 2018-08-24 | 2019-01-18 | 中国海洋石油集团有限公司 | A kind of logging instrument |
| CN114075966A (en) * | 2020-08-19 | 2022-02-22 | 中国石油化工集团有限公司 | Novel high-temperature high-pressure compensation neutron logging instrument |
-
2012
- 2012-10-12 CN CN 201220524220 patent/CN202882903U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106609666A (en) * | 2015-10-27 | 2017-05-03 | 北京环鼎科技有限责任公司 | A metal heat insulation device for a logging instrument for small boreholes with high temperature and high pressure |
| CN105350951A (en) * | 2015-11-02 | 2016-02-24 | 中国船舶重工集团公司第七一八研究所 | Heat preservation and pre-cooling device used for elemental logger probe BGO crystal detector |
| CN105350951B (en) * | 2015-11-02 | 2018-06-08 | 中国船舶重工集团公司第七一八研究所 | For the heat preservation of geochemical well logging instrument probe B GO crystal counters and precooling device |
| CN105307374A (en) * | 2015-11-25 | 2016-02-03 | 中国石油集团钻井工程技术研究院 | Neutron generator for measurement while drilling |
| CN105307374B (en) * | 2015-11-25 | 2017-12-08 | 中国石油集团钻井工程技术研究院 | Accelerator for neutron production for measurement while drilling |
| CN109236270A (en) * | 2018-08-24 | 2019-01-18 | 中国海洋石油集团有限公司 | A kind of logging instrument |
| CN109236270B (en) * | 2018-08-24 | 2023-11-21 | 中国海洋石油集团有限公司 | Logging instrument |
| CN114075966A (en) * | 2020-08-19 | 2022-02-22 | 中国石油化工集团有限公司 | Novel high-temperature high-pressure compensation neutron logging instrument |
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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: 20151102 Address after: 300356 24, Tianjin Industrial Park, eight Li Town, Jinnan District, Jianshe Road Patentee after: JIAI (TIANJIN) PETROLEUM ENGINEERING TECHNOLOGY SERVICE CO.,LTD. Address before: 100070 Beijing city Fengtai District Haiying Road No. 1 Building No. 4 hospital on the eastern side of a layer Patentee before: GI Technologies (Beijing) Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300356 24, Tianjin Industrial Park, eight Li Town, Jinnan District, Jianshe Road Patentee after: JIAI (TIANJIN) PETROLEUM ENGINEERING Co.,Ltd. Address before: 300356 24, Tianjin Industrial Park, eight Li Town, Jinnan District, Jianshe Road Patentee before: JIAI (TIANJIN) PETROLEUM ENGINEERING TECHNOLOGY SERVICE CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee after: Jiai (Tianjin) automatic control intelligent equipment Co.,Ltd. Address before: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee before: JIAI (TIANJIN) PETROLEUM ENGINEERING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee after: Jichen Intelligent Equipment Group Co.,Ltd. Address before: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee before: Jiai (Tianjin) automatic control intelligent equipment Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |