CN202914093U - Natural gamma energy spectrum logging instrument - Google Patents
Natural gamma energy spectrum logging instrument Download PDFInfo
- Publication number
- CN202914093U CN202914093U CN 201220350996 CN201220350996U CN202914093U CN 202914093 U CN202914093 U CN 202914093U CN 201220350996 CN201220350996 CN 201220350996 CN 201220350996 U CN201220350996 U CN 201220350996U CN 202914093 U CN202914093 U CN 202914093U
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- Prior art keywords
- power supply
- wts
- bus
- joint
- power
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Links
- 238000001228 spectrum Methods 0.000 title abstract description 4
- 239000000523 sample Substances 0.000 claims abstract description 24
- YMHOBZXQZVXHBM-UHFFFAOYSA-N 2,5-dimethoxy-4-bromophenethylamine Chemical compound COC1=CC(CCN)=C(OC)C=C1Br YMHOBZXQZVXHBM-UHFFFAOYSA-N 0.000 claims description 10
- 241000545067 Venus Species 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 5
- XQPRBTXUXXVTKB-UHFFFAOYSA-M caesium iodide Chemical compound [I-].[Cs+] XQPRBTXUXXVTKB-UHFFFAOYSA-M 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 4
- 230000009466 transformation Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 6
- 238000005553 drilling Methods 0.000 abstract description 6
- 229910052770 Uranium Inorganic materials 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 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
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a nature gamma energy spectrum logging instrument, including top connection, square joint, power transformer, power supply circuit board, field programmable gate array chip, LEMO joint, probe assembly, lower clutch, wiener power and WTS bus, the top connection is detained the type with the WTS bus and is connected, and square joint is connected with the outer WTS bus connection of thermos, and power transformer is connected with power supply circuit board and is used for power vary voltage to change, and power supply circuit board and field programmable gate array chip are connected and provide the power of work for the logging instrument, and probe assembly, field programmable gate array chip and power are connected to the LEMO joint respectively, and the lower clutch is detained the type with the WTS bus and is connected. The utility model discloses can promote the withstand voltage index of temperature resistant of instrument in order to reach for a long time at ultra-high temperature superelevation kill-job, horizontal well, drilling tool transmission logging and complicated well construction operation demand.
Description
Technical field
The utility model relates to Oil/gas Well logging equipment technical field, relate in particular to a kind of natural gamma spectromenter of logger, be to measure the stratum gamma rays and be divided into different levels by gamma rays energy size, can indicate the content of K in the stratum, U, the single radioactive element of Th.
Background technology
In the prior art, the natural gamma spectromenter of logger principle of instrument is: natural gamma spectromenter of logger is by gathering the stratum natural gamma rays, record is also processed GR spectrum data, obtain the content of total GR ray counting and independent potassium, uranium, thorium, carry out the property analysis on layering and stratum.
A kind of Multifunctional combined logging instrument for Exploration Domain drilling well detection is disclosed in China Patent No. " 200820109524.4 ", its upper end is provided with head harness, the lower end is provided with end nose, between head harness and end nose, be equiped with a plurality of probes, electronic circuit and supporting pipe nipple, described probe comprise the subsidiary probe, remote measurement/gamma pipe nipple, the natural gamma energy spectrum probe, the compensated neutron probe, lithology and density logging-microballoon probe, the continuous inclinometer probe, the high-resolution acoustic logging unit probe, the dual laterolog instrument probe, dual induction log instrument probe and four arm independence calipers etc.; This combination logging tool also comprises the first shared electron circuit and the second shared electron circuit, is used for connecting the circuit of each probe and finishing Data Gathering and transfer function.
But in actual applications, all there is following deficiency in existing natural gamma spectromenter of logger instrument: the high-temperature resistant of domestic existing natural gamma spectromenter of logger 175 ℃/3 hours, maximum withstand voltage 140MPa, external diameter 92.1mm, can not satisfy for a long time at high temperature, high pressure well logging construction needs, particularly can not satisfy the kill-job of superhigh temperature superelevation, horizontal well, drilling tool transmission well logging and Holes of Complicated Wells construction needs.
Summary of the invention
The purpose of this utility model is to overcome the problems referred to above that existing natural gamma spectromenter of logger instrument exists, and promotes the heat resisting and pressure resisting index of instrument to reach for a long time in the kill-job of superhigh temperature superelevation, horizontal well, drilling tool transmission well logging and Holes of Complicated Wells construction operation demand.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of natural gamma spectromenter of logger, it is characterized in that: comprise top connection, square joint, power transformer, power supply circuit board, field programmable gate array chip, the LEMO joint, the probe assembly, lower contact, Venus's power supply and WTS bus, described top connection is connected with WTS bus button-type and is used for and the communicating by letter and transfer of data of ground system, square joint is connected with vacuum flask WTS bus outward, power transformer is connected with power supply circuit board and is used for the conversion of power supply transformation, power supply circuit board and field programmable gate array chip are connected to the power supply that logging instrument provides work, the probe assembly, field programmable gate array chip and Venus's power supply are connected respectively to the LEMO joint, and lower contact is connected with WTS bus button-type.
Described top connection is 32 core top connections, and square joint is 26 core square joints, and lower contact is 32 core lower contacts.
Described probe assembly is comprised of photomultiplier and cesium iodide crystal, and photomultiplier is connected to the LEMO joint.
Employing the utility model has the advantage of:
One, the utility model adopts field programmable gate array chip (FPGA), communication check, memory self check, emission receive control, energy spectrum analysis, storage, the functions such as Manchester's code decoding all are integrated in chip internal, the heating of circuit is obviously reduced, and the temperature rise in the vacuum flask is slow, and the space that the circuit part of instrument is taken greatly reduces, thereby reserve enough spaces to metal vacuum bottle, increase absorber length in order to promote the heat resistance of instrument.Improve pressure-proof outer cover intensity, guarantee withstand voltage index; Instrument is applied to the Oil/gas Well logging operation, can significantly promotes the heatproof of instrument, withstand voltage index, so that can satisfy respectively the kill-job of superhigh temperature superelevation, horizontal well, drilling tool transmission well logging and Holes of Complicated Wells construction demand.
Two, the utility model is take field programmable gate array chip (FPGA) as core, gamma rays is divided into different levels by the energy size, can indicate K, U, the content of the single radioactive element of Th, so just can solve the problem that only relies on total gamma rays can not identify lithology, can provide more abundant geological information for formation evaluation, instrument is used for determining lithology, clay type and content, measure formation thickness, determine the secondary uranium of cased well, distinguish the potential zone of fracture, reasonable in design, easy to use, having solved domestic existing natural gamma spectromenter of logger can not be for a long time in the kill-job of superhigh temperature superelevation, horizontal well, the difficult problem of drilling tool transmission well logging and Holes of Complicated Wells construction.
Three, in the utility model, described top connection is 32 core top connections, and square joint is 26 core square joints, and lower contact is 32 core lower contacts, adopt this structure make whole instrument connection and the dismounting more simple and convenient, improved service efficiency.
Description of drawings
Fig. 1 is the utility model theory diagram
Be labeled as among the figure: 1 is top connection, and 2 is square joint, and 3 is power transformer, and 4 is power supply circuit board, and 5 is field programmable gate array chip, and 6 is the LEMO joint, and 7 are the probe assembly, and 8 are lower contact, and 9 is Venus's power supply, and 10 is the WTS bus.
The specific embodiment
A kind of natural gamma spectromenter of logger, comprise top connection, square joint, power transformer, power supply circuit board, field programmable gate array chip, LEMO joint (thunder is joint not), the probe assembly, lower contact, Venus's power supply and WTS bus (cable telemetry system bus), described top connection is connected with WTS bus button-type and is used for and the communicating by letter and transfer of data of ground system, square joint is connected with vacuum flask WTS bus outward, power transformer is connected with power supply circuit board and is used for the conversion of power supply transformation, power supply circuit board and field programmable gate array chip are connected to the power supply that logging instrument provides work, the probe assembly, field programmable gate array chip and Venus's power supply are connected respectively to the LEMO joint, and lower contact is connected with WTS bus button-type.
Preferred embodiment of the present utility model is, described top connection is 32 core top connections, and square joint is 26 core square joints, and lower contact is 32 core lower contacts.
Another preferred embodiment of the present utility model is, described probe assembly is comprised of photomultiplier and cesium iodide crystal, and photomultiplier is connected to the LEMO joint.
Below the utility model is described further:
These instrument 32 core top connections 1 are connected with WTS bus button-type, and responsible instrument is communicated by letter and transfer of data with ground system.26 core square joints 2 are responsible for the connection of the outer WTS bus of vacuum flask.Power transformer 3 is responsible for the conversion of power supply transformation.Power supply circuit board 4 is responsible for providing the power supply of whole instrument work.Field programmable gate array chip 5 is responsible for Control ﹠ data acquisition, processing, the transmission work of whole instrument.LEMO joint 6 is responsible for photomultipliers and is connected with Venus's power supply with field programmable gate array chip and is connected.Probe assembly 7 is comprised of photomultiplier and cesium iodide crystal, is responsible for the detection of gamma signal.32 core lower contacts 8 are responsible for being connected with the WTS button-type.Venus's power supply (VENUS power supply) 9 is responsible for photomultiplier provides high pressure.WTS bus 10 is responsible for instrument string power supply and signalling channel is provided.
The key technical indexes of the present utility model is as follows:
Heatproof: 180 ℃/8 hours+204 ℃/2 hours
Withstand voltage: 160MPa
The highest testing the speed: 9m/min
Measurement category: 0.04～3.5MeV
The certainty of measurement gamma: standard value ± 3%
Potassium, uranium, thorium: standard value ± 4%
(the contrast precision of measured value and standard value)
Survey mark: apart from bottom 0.49m
Voltage supplied: exchange 180V ± 10%
External diameter: 92.1mm
Length: 2.23m.
Claims (3)
1. natural gamma spectromenter of logger, it is characterized in that: comprise top connection (1), square joint (2), power transformer (3), power supply circuit board (4), field programmable gate array chip (5), LEMO joint (6), probe assembly (7), lower contact (8), Venus's power supply (9) and WTS bus (10), described top connection (1) is connected with WTS bus (10) button-type and is used for and the communicating by letter and transfer of data of ground system, square joint (2) is connected with vacuum flask WTS bus outward, power transformer (3) is connected with power supply circuit board (4) and is used for the conversion of power supply transformation, power supply circuit board (4) is connected to the power supply that logging instrument provides work with field programmable gate array chip (5), probe assembly (7), field programmable gate array chip (5) and Venus's power supply (9) are connected respectively to LEMO joint (6), and lower contact (8) is connected with WTS bus (10) button-type.
2. natural gamma spectromenter of logger according to claim 1, it is characterized in that: described top connection (1) is 32 core top connections, and square joint (2) is 26 core square joints, and lower contact (8) is 32 core lower contacts.
3. natural gamma spectromenter of logger according to claim 1 and 2, it is characterized in that: described probe assembly (7) is comprised of photomultiplier and cesium iodide crystal, and photomultiplier is connected to LEMO joint (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350996 CN202914093U (en) | 2012-07-19 | 2012-07-19 | Natural gamma energy spectrum logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350996 CN202914093U (en) | 2012-07-19 | 2012-07-19 | Natural gamma energy spectrum logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202914093U true CN202914093U (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220350996 Expired - Fee Related CN202914093U (en) | 2012-07-19 | 2012-07-19 | Natural gamma energy spectrum logging instrument |
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| Country | Link |
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| CN (1) | CN202914093U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358563A (en) * | 2014-09-14 | 2015-02-18 | 陕西华晨石油科技有限公司 | Multi-probe high-precision energy spectrum measuring instrument |
| CN104420863A (en) * | 2013-09-05 | 2015-03-18 | 中国石油集团长城钻探工程有限公司 | Modified mechanical structure logging instrument suitable for detection of high-temperature high-pressure slim-hole oil and gas wells |
| CN105137862A (en) * | 2015-07-31 | 2015-12-09 | 中国科学院声学研究所 | Gamma-ray spectra logging communication circuit and system therefor |
| CN106368692A (en) * | 2016-08-29 | 2017-02-01 | 中国船舶重工集团公司第七八研究所 | Natural gamma-ray spectroscopy logger with high voltage prevented from fluctuating due to influence of magnetic field |
-
2012
- 2012-07-19 CN CN 201220350996 patent/CN202914093U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104420863A (en) * | 2013-09-05 | 2015-03-18 | 中国石油集团长城钻探工程有限公司 | Modified mechanical structure logging instrument suitable for detection of high-temperature high-pressure slim-hole oil and gas wells |
| CN104358563A (en) * | 2014-09-14 | 2015-02-18 | 陕西华晨石油科技有限公司 | Multi-probe high-precision energy spectrum measuring instrument |
| CN105137862A (en) * | 2015-07-31 | 2015-12-09 | 中国科学院声学研究所 | Gamma-ray spectra logging communication circuit and system therefor |
| CN106368692A (en) * | 2016-08-29 | 2017-02-01 | 中国船舶重工集团公司第七八研究所 | Natural gamma-ray spectroscopy logger with high voltage prevented from fluctuating due to influence of magnetic field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20170719 |
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| CF01 | Termination of patent right due to non-payment of annual fee |