CN107664033A - Memory-type SGR double detector structure - Google Patents
Memory-type SGR double detector structure Download PDFInfo
- Publication number
- CN107664033A CN107664033A CN201711050572.0A CN201711050572A CN107664033A CN 107664033 A CN107664033 A CN 107664033A CN 201711050572 A CN201711050572 A CN 201711050572A CN 107664033 A CN107664033 A CN 107664033A
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- China
- Prior art keywords
- sgr
- memory
- assembly
- type
- crystal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000013078 crystal Substances 0.000 claims abstract description 32
- 239000003381 stabilizer Substances 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 10
- 230000005251 gamma ray Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 3
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 229910052776 Thorium Inorganic materials 0.000 description 2
- 229910052770 Uranium Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000001730 gamma-ray spectroscopy Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 2
- 239000004927 clay Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Measurement Of Radiation (AREA)
Abstract
The invention discloses a kind of memory-type SGR double detector structure, including shell and the circuit framework being arranged in shell, detector assembly is respectively arranged with the shell at circuit framework both ends, detector assembly includes photomultiplier, crystal and stabilizer source, stabilizer source is fixedly installed on crystal one end, the crystal other end sets photomultiplier, and photomultiplier is fitted close with crystal.The present invention can improve the detection efficient of instrument, reduce statistical fluctuation error；Detectivity of the instrument to thin layer can be ensured.
Description
Technical field
The present invention relates to a kind of memory-type SGR double detector structure, belong to Oil/gas Well logging equipment
Technical field.
Background technology
Natural gamma-ray spectrometry is to carry out spectral measurement and analysis to stratum natural gamma radioactive ray in open hole well, is led to
Cross and determine uranium, thorium, potassium content in stratum respectively and study the logging method of well profile formation properties.At present, domestic conventional gal
Horse spectrometer tool the application of petroleum industry be mainly uranium as measured by natural gamma-ray spectrometry, thorium, potassium content come
Identification lithology, depositional environment, source bed are studied, reservoir is found, determines that one of the purpose of clay content, feature is instrument diameters
Greatly, such as Bake Hughes 1329, Logging Company of CNPC SNGR5410, Shandong Shengli petroleum works technology company SL6329, north
SGS-1C SGRs of capital ring ancient cooking vessel science and technology etc., external diameter is generally higher than 90 mm, is not suitable with storage type logging
Construction requirement.
Storage type logging is due to the difference of construction technology, and instrument external diameter is typically in 60 mm or so, empty small in instrument, detection
Effective detection volume of device diminishes, it is necessary to the detection efficient for redesigning structure and being brought with solving detector to diminish reduces, gamma
Ray counting rate is relatively low, the problem of causing statistical fluctuation error big.
The content of the invention
It is an object of the invention to overcome above mentioned problem existing for prior art, there is provided a kind of memory-type natural gamma spectra
Logging instrument double detector structure.The present invention can improve the detection efficient of instrument, reduce statistical fluctuation error；Instrument can be ensured to thin
The detectivity of layer.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of memory-type SGR double detector structure, including shell and the circuit bone that is arranged in shell
Frame, it is characterised in that：Detector assembly is respectively arranged with the shell at circuit framework both ends, detector assembly includes photomultiplier transit
Pipe, crystal and stabilizer source, stabilizer source are fixedly installed on crystal one end, and the crystal other end sets photomultiplier, photomultiplier
It is fitted close with crystal.
The detector assembly includes upper detector assembly and lower detector assembly, and upper detector assembly and lower detector are total
Into being symmetricly set on circuit framework both ends.
Set fluted on the end face of described crystal one end, stabilizer source is located in groove and fixed by baffle ring.
Described photomultiplier one end is provided with the compression spring coordinated with photomultiplier, and compression spring passes through compact heap
Fixed, compact heap is fixed by screw, and the photomultiplier other end is fitted close by compression spring and crystal.
The upper detector assembly upper end is connected with 18 core sockets by top connection assembly, and socket upper end is located at helmet
Interior, helmet is fixedly connected with body seal, and top connection assembly electrically connects with circuit framework.
The helmet is provided with the draw ring component for mechanically connecting instrument with shell fixed connection place.
The lower detector assembly lower end is connected with pressure-bearing plug, lower contact assembly and circuit framework by lower contact assembly
Electrical connection.
The circuit framework upper end is provided with 18 core rectangular receptacles, 18 core rectangular receptacles and ten on top connection assembly
Eight core sockets electrically connect.
The circuit framework lower end is provided with 11 core rectangular receptacles, and 11 core rectangular receptacles are electrically connected with lower contact assembly
Connect.
Using the advantage of the invention is that：
1st, the present invention is designed using dual probe, and the detection efficient of storage formula SGR is greatly improved, double
Detector detecting efficiency can reach more than the 80% of Bake Hughes 1329, and accurate data can be provided for formation evaluation.
2nd, the present invention has ensured detectivity of the instrument to thin layer by the way of two detectors are located at both ends, can be right
The oil-gas exploration and development of thin layer provides data supporting.
3rd, the present invention places stabilizer source in detectors crystal bottom center, instrument is realized automatic spectrum stabilization function.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is detector assembly structure schematic diagram of the present invention；
In figure mark for：1st, helmet, 2,18 core sockets, 3, sealing ring, 4, draw ring component, 5, shell, 6, upper detector assembly,
7th, 18 core rectangular receptacle（Pin）, 8, circuit framework, 9,11 core rectangular receptacles（Pin）, 10, lower detector assembly, 11, cross
Groove sunk screw, 12, lower contact assembly, 13, plug, 14, screw, 15, compact heap, 16, compression spring, 17, photomultiplier,
18th, crystal, 19, stabilizer source, 20, baffle ring.
Embodiment
Embodiment 1
A kind of memory-type SGR double detector structure, including shell 5 and the circuit bone that is arranged in shell 5
Frame 8, is respectively arranged with detector assembly in the shell 5 at the both ends of circuit framework 8, and detector assembly includes photomultiplier 17, brilliant
Body 18 and stabilizer source 19, stabilizer source 19 are fixedly installed on the one end of crystal 18, and the other end of crystal 18 sets photomultiplier 17, photoelectricity
Multiplier tube 17 is fitted close with crystal 18.
In the present embodiment, the detector assembly includes upper detector assembly 6 and lower detector assembly 10, and upper detector is total
The both ends of circuit framework 8 are symmetricly set on into 6 and lower detector assembly 10.
In the present embodiment, set fluted on the end face of described one end of crystal 18, stabilizer source 19 is located in groove and passed through
Baffle ring 20 is fixed.
In the present embodiment, described one end of photomultiplier 17 is provided with the compression spring 16 coordinated with photomultiplier 17,
Compression spring 16 is fixed by compact heap 15, and compact heap 15 is fixed by screw 14, and the other end of photomultiplier 17 passes through setting
Compression spring 16 photomultiplier 17 is fitted close with crystal 18.
In the present embodiment, the upper upper end of detector assembly 6 is connected with 18 core sockets by top connection assembly, on socket
End is in helmet 1, and helmet 1 is sealedly and fixedly connected with shell 5 by sealing ring 3, and top connection assembly is electrically connected with circuit framework 8
Connect.
In the present embodiment, the helmet 1 is provided with the draw ring component for mechanically connecting instrument with the fixed connection place of shell 5
4。
In the present embodiment, the lower lower end of detector assembly 10 is connected with pressure-bearing plug 13 by lower contact assembly 12, under
Connector assembly 12 electrically connects with circuit framework 8.
In the present embodiment, the upper end of circuit framework 8 is provided with 18 core rectangular receptacles, and 18 core rectangular receptacles are with above connecing
18 core sockets electrical connection on head assembly.
In the present embodiment, the lower end of circuit framework 8 is provided with 11 core rectangular receptacles, and 11 core rectangular receptacles connect with
Head assembly 12 electrically connects.
Embodiment 2
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings：
A kind of novel storage type SGR double detector structure, from top to bottom position relationship：Helmet 1, is used for
Protect connection screw thread；18 core sockets 2, for instrument power supply, time service and read data channel；O-ring seal 3；Draw ring component
4, for mechanically connecting instrument；Bearing shell 5；Upper detector assembly 6, for detecting stratum gamma ray；18 core rectangles are inserted
Seat（Pin）7, the transmission for data between hardware circuit and signal；Electronic circuit skeleton 8, for installing each hardware permanent circuit
Plate；11 core rectangular receptacles（Pin）9, the transmission for data between hardware circuit and signal；Lower detector assembly 10, for detecting
Stratum gamma ray；Cross recessed countersunk head sscrew 11, for connection line skeleton and lower connector assembly；Lower contact assembly 12, use
In connection line skeleton and installation pressure-bearing plug；Plug 13.
Upper and lower two detector assembly structures are identical, and above detector assembly structure illustrates position connection from top to bottom
Relation：Baffle ring 20, for fixing stabilizer source and crystal；Stabilizer source 19, radioactive source is referred to for being provided to instrument spectrum stabilization；Crystal
18, for detecting stratum gamma ray；Photomultiplier 17, for amplifying photoelectron signal caused by crystal；The He of compact heap 15
Compression spring 16, for ensureing the tight fit of photomultiplier and crystal；Screw 14, for the block 15 that is fixed and clamped.
Embodiment 3
A kind of double spy device structures of novel storage type SGR, external diameter 61mm, belong to minor diameter instrument, including
Tool housing, circuit framework, two groups of gamma-ray detectors, detector is at circuit framework both ends, as shown in Figure 1.The instrument work
It is that with detector photoelectric effect occurs for stratum gamma ray as principle, produces pulse signal, the amplitude and note of Instrumental Analysis pulse
Record umber of pulse is analyzed and processed.
In the present invention, crystal selects NaI (TI) crystal, and Bake Hughes 1329 uses CsI crystal, effective volume phase
NaI (TI) crystal detection efficient is less than CsI crystal with the case of.Therefore, detector crystal effective dimensions is as big as possible, selects
Specification is 40 × 200mm of Φ；Meanwhile double detector structure is designed as in structure of the present invention, i.e., same depth is visited twice
Survey, the data of detection are subjected to integration processing, to reach the purpose for improving detection efficient, reducing statistical fluctuation error.
Using double detector structure design, improve detection efficient, reduce statistical fluctuation error.It is located at using two detectors
The mode at both ends, meet to detect needs to thin layer during oil-gas exploration and development.Designed using stabilizer source, it is located at detector crystalline substance
Body bottom center.Each hardware fixing circuit board of circuit framework installation uses prior art.
Claims (9)
1. a kind of memory-type SGR double detector structure, including shell（5）Be arranged on shell（5）Interior
Circuit framework（8）, it is characterised in that：Circuit framework（8）The shell at both ends（5）In be respectively arranged with detector assembly, detector
Assembly includes photomultiplier（17）, crystal（18）And stabilizer source（19）, stabilizer source（19）It is fixedly installed on crystal（18）One end,
Crystal（18）The other end sets photomultiplier（17）, photomultiplier（17）With crystal（18）It is fitted close.
2. memory-type SGR double detector structure according to claim 1, it is characterised in that：It is described
Detector assembly includes upper detector assembly（6）With lower detector assembly（10）, upper detector assembly（6）With lower detector assembly
（10）It is symmetricly set on circuit framework（8）Both ends.
3. memory-type SGR double detector structure according to claim 2, it is characterised in that：It is described
Crystal（18）Fluted, stabilizer source is set on the end face of one end（19）In groove and pass through baffle ring（20）It is fixed.
4. memory-type SGR double detector structure according to claim 3, it is characterised in that：It is described
Photomultiplier（17）One end is provided with and photomultiplier（17）The compression spring of cooperation（16）, compression spring（16）Pass through pressure
Tight block（15）It is fixed, compact heap（15）Fixed by screw, photomultiplier（17）The other end passes through compression spring（16）With crystalline substance
Body（18）It is fitted close.
5. memory-type SGR double detector structure according to claim 4, it is characterised in that：It is described
Upper detector assembly（6）Upper end is connected with 18 core sockets by top connection assembly, and socket upper end is located at helmet（1）It is interior, helmet
（1）With shell（5）It is sealedly and fixedly connected, top connection assembly and circuit framework（8）Electrical connection.
6. memory-type SGR double detector structure according to claim 5, it is characterised in that：It is described
Helmet（1）With shell（5）Fixed connection place is provided with the draw ring component for mechanically connecting instrument（4）.
7. memory-type SGR double detector structure according to claim 6, it is characterised in that：It is described
Lower detector assembly（10）Lower end passes through lower contact assembly（12）It is connected with pressure-bearing plug（13）, lower contact assembly（12）With circuit
Skeleton（8）Electrical connection.
8. memory-type SGR double detector structure according to claim 7, it is characterised in that：It is described
Circuit framework（8）Upper end is provided with 18 core rectangular receptacles, 18 core rectangular receptacles and 18 core sockets on top connection assembly
Electrical connection.
9. memory-type SGR double detector structure according to claim 8, it is characterised in that：It is described
Circuit framework（8）Lower end is provided with 11 core rectangular receptacles, 11 core rectangular receptacles and lower contact assembly（12）Electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711050572.0A CN107664033A (en) | 2017-10-31 | 2017-10-31 | Memory-type SGR double detector structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711050572.0A CN107664033A (en) | 2017-10-31 | 2017-10-31 | Memory-type SGR double detector structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107664033A true CN107664033A (en) | 2018-02-06 |
Family
ID=61143658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711050572.0A Pending CN107664033A (en) | 2017-10-31 | 2017-10-31 | Memory-type SGR double detector structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107664033A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119845A (en) * | 2019-12-31 | 2020-05-08 | 北京环鼎科技有限责任公司 | Three-probe logging instrument for 63 gamma energy spectrum and logging method thereof |
| CN115166844A (en) * | 2022-07-06 | 2022-10-11 | 核工业航测遥感中心 | Combined gamma energy spectrum logging system and gamma energy spectrum logging method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201851028U (en) * | 2010-09-07 | 2011-06-01 | 中国石油集团川庆钻探工程有限公司 | Cable head for connecting logging cable and downhole tool |
| CN202866778U (en) * | 2012-08-28 | 2013-04-10 | 中国石油集团川庆钻探工程有限公司 | Collection and storage control system for drill-over tool storage type logging instrument |
| CN205206812U (en) * | 2015-11-02 | 2016-05-04 | 中国船舶重工集团公司第七一八研究所 | High accuracy natural gamma -ray logging appearance of popping one's head in more |
| CN106014377A (en) * | 2016-07-06 | 2016-10-12 | 中国船舶重工集团公司第七八研究所 | Small-diameter natural gamma-ray spectrum logger with pumping-out function and cable function |
| CN207776863U (en) * | 2017-10-31 | 2018-08-28 | 中国石油集团川庆钻探工程有限公司 | A kind of memory-type natural gamma ray logging tool double detector structure |
-
2017
- 2017-10-31 CN CN201711050572.0A patent/CN107664033A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201851028U (en) * | 2010-09-07 | 2011-06-01 | 中国石油集团川庆钻探工程有限公司 | Cable head for connecting logging cable and downhole tool |
| CN202866778U (en) * | 2012-08-28 | 2013-04-10 | 中国石油集团川庆钻探工程有限公司 | Collection and storage control system for drill-over tool storage type logging instrument |
| CN205206812U (en) * | 2015-11-02 | 2016-05-04 | 中国船舶重工集团公司第七一八研究所 | High accuracy natural gamma -ray logging appearance of popping one's head in more |
| CN106014377A (en) * | 2016-07-06 | 2016-10-12 | 中国船舶重工集团公司第七八研究所 | Small-diameter natural gamma-ray spectrum logger with pumping-out function and cable function |
| CN207776863U (en) * | 2017-10-31 | 2018-08-28 | 中国石油集团川庆钻探工程有限公司 | A kind of memory-type natural gamma ray logging tool double detector structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119845A (en) * | 2019-12-31 | 2020-05-08 | 北京环鼎科技有限责任公司 | Three-probe logging instrument for 63 gamma energy spectrum and logging method thereof |
| CN111119845B (en) * | 2019-12-31 | 2023-10-27 | 北京环鼎科技有限责任公司 | 63 gamma-ray spectroscopy three-probe logging instrument and logging method thereof |
| CN115166844A (en) * | 2022-07-06 | 2022-10-11 | 核工业航测遥感中心 | Combined gamma energy spectrum logging system and gamma energy spectrum logging method |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190812 Address after: 100120 Liupu Kang, Xicheng District, Beijing Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: CHINA NATIONAL PETROLEUM CORPORATION CHUANQING DRILLING ENGINEERING Co. Applicant after: CHINA PETROLEUM LOGGING Co.,Ltd. Address before: Chenghua District Green Road 610051 Chengdu City, Sichuan province 1 No. 3 Chuanqing drilling Department of Science & Technology Applicant before: CHINA NATIONAL PETROLEUM CORPORATION CHUANQING DRILLING ENGINEERING Co. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180206 |
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| RJ01 | Rejection of invention patent application after publication |