CN2676196Y - Debris describing instrument - Google Patents
Debris describing instrument Download PDFInfo
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- CN2676196Y CN2676196Y CN 03235673 CN03235673U CN2676196Y CN 2676196 Y CN2676196 Y CN 2676196Y CN 03235673 CN03235673 CN 03235673 CN 03235673 U CN03235673 U CN 03235673U CN 2676196 Y CN2676196 Y CN 2676196Y
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Abstract
The utility model relates to an analytical equipment of the debris in the oil drilling, in particular to a debris describing instrument which comprises a power supply, a box body, a gamma radiation detector, an electronic processing circuit, an electronic image pickup device, a debris sample box and an ultraviolet source. The gamma radiation detector with shielding structure is arranged on the base plate of the box body, and the debris sample box is arranged at the upper end part of the detector scintillation crystal, on which the electronic image pickup device and the ultraviolet source are arranged. The impulse signal acquired by the detector is input into the input end of the discriminating amplification stage comparator of the electronic processing circuit, and the output end of the electronic processing circuit connects to a computer. The video line of the electronic image pickup device connects to the video interface of the computer. The utility model has the advantages of complete function, high measurement precision, lower cost and broad market, so it is easy to generalize and execute, has higher economic benefit and is widely used in the oil drilling industry.
Description
One. technical field: the utility model relates to a kind of analytical equipment of oil drilling landwaste, particularly relates to a kind of cutting description instrument.
Two. background technology: as the tap the latent power innovation and drill new oil gas field of exploitation maturing field, the lithology of landwaste and the analytical equipment of oil-abundance, be the reserves and the extraction value imperative equipment of oil drilling evaluating oilfield, China's oil probing industry was generally used three cutter type drill bit in the past, the cutting grain of its probing is bigger, can rely on people's eyes to come qualitative observation understanding lithology and oil-abundance, but the recognition result error is bigger, because be subjected to identification person's on-site experience, subjective factors such as the power influence of technical merit height and sense of responsibility also is subject to light luminance simultaneously, objective factors such as landwaste humidity and cutting grain size are disturbed.Along with the progress of science and technology and the progressively raising of prospect pit technology, three cutter type drill bit are progressively replaced by the PDC drill bit, the landwaste that the PDC drill bit gets out is near Powdered, be difficult to detect by an unaided eye and determine lithology and oil-abundance, urgently seek a kind of new tool, new method is judged the lithology of landwaste and estimated the landwaste oil-abundance.Chinese patent CN1157917A, application number 96114143 discloses a kind of " Talus quantitative evaluation instrument ", this estimates instrument mainly by microcomputer, sales kit (SK), photoelectric scanner, white light and ultraviolet source are formed, and can realize the quantitative automatic detection evaluation of chip sample sandstone, mud stone, oil-bearing sand percentage amounts and oil-abundance; CN1373357A, application number 02116558.0 discloses a kind of rock sample observer, this device has been installed a microscope at the ocular lens of camera interface, can differentiate the lithology and the oil-abundance of superfine little rock sample, but utilize white light and ultraviolet source photographic map to look like to exist certain defective, reduce the fluorescence of image, increase test error.
Three. the utility model content:
(1) technical problem to be solved in the utility model: overcome the defective of prior art, a kind of cutting description instrument that utilizes advanced nuclear technology, electronic circuit and computer image processing technology to realize improving landwaste lithology and oil-abundance detection by quantitative precision is provided.
(2) the technical solution of the utility model is: a kind of cutting description instrument, contain power supply, casing, computing machine, electronic processing circuit, camera head, the chip sample box, ultraviolet source, the gamma ray detectors that has shielding construction is installed on the base plate of casing, form by scintillation crystal and photomultiplier and high-pressure modular, the chip sample box is installed in the scintillation crystal upper end, and electronic image pickup device and ultraviolet source are installed in the certain distance directly over it, differentiates the input end of amplifier stage comparer in the scintillation pulse signal input electronic processing circuit that gamma ray detectors obtained, the output terminal of electronic processing circuit connects the computing machine input end by interface, and the video line of electronic image pickup device connects the video interface of computing machine.
The outer shape of described shielding construction and scintillation crystal and photomultiplier is complementary, the surfaces externally and internally of shielding construction can be Stainless Steel Shell, it between the two housings lead material screen layer, the gamma ray detectors lower end is installed on the inner bottom surface of shielding construction by spring, the variable cross section transition section place of detector tightens up by elastic washer and shielding construction, above sample box, be provided with the Abdeckschieber cover plate of shielding construction, the chip sample box can be down " recessed " font or short cylindrical shape structure, the pick-up lens of electronic image pickup device should be within the zoom focal range of this pick-up lens to the distance between the sample box upper surface, electronic image pickup device is fixed on the support by fastening collar, support is fixed on the wallboards of box body, ultraviolet source is installed on the lamp bracket of camera both sides of camera head, lamp bracket is fixed on the box body wall, electronic image pickup device can be for being made up of electro-photographic head and video card, or the electronic digital video camera, or digital camera, or the device that constitutes by non-electronic image pickup device and scanner.
The both sides of described Abdeckschieber cover plate lower surface are equipped with the ball of band retainer respectively, wherein one sidewinder pearl and cooperate with the V-shaped groove of a guide rail, the opposite side ball cooperates with the direction recess of another guide rail, article two, guide rail is fixed on the middle crossbeam of casing, operating handle is equipped with in the cover plate front side, spacer pin is housed on the trailing flank, the wiring board clamping of electronic processing circuit is installed in the card slot that is fixed in the casing, ultraviolet source voltage is alternating current 220V, power supply is to electro-photographic mechanism, high-pressure modular provides+5V, ± 12V direct supply or 24V AC power, the scintillation crystal of gamma ray detection device can be the mineral crystal powder, organic crystal, liquid or plastic crystal etc.
Described electronic processing circuit contains the discriminating amplifier stage, shaping stage, single-chip microcomputer and peripheral cell, the pulse signal of gamma ray detectors output is input to the backward end of differentiating amplifier stage comparer LM111 in the electronic processing circuit, the threshold voltage that the termination in the same way of comparer LM111 is provided by power supply and mu balanced circuit, the output pulse signal of LM111 can be input to the input end of shaping circuit chip 4538 behind the frequency divider frequency division, output signal after the shaping is through chip 40109 step-downs, the T1 pin of input single-chip microcomputer 89C51 is counted, count value is by serial port RXD, TXD is input to the input end of transceiver MAX202, handles through MAX202 input computing machine.
In electronic processing circuit, comparer also can be LM319, LM311, the also available CD4098 of shaping circuit chip, single-chip microcomputer can be with 31,51,52 family chips, or be MLU, tm320 series, also available rolling counters forward, counting output can be through parallel port or serial port input computing machines such as latch or transceivers.
(3) positive beneficial effect of the present utility model:
1. the utility model has used gamma ray detectors and electronic processing circuit, can detect the sand shale ratio and the oil-abundance of tested landwaste accurately, intuitively, easily in real time at the probing scene, again relevant instrument is gone into the well after the existing drilling well of breakthrough and mend the conventional method of surveying, for judging that more exactly lithology provides scientific basis, and in time understand the drilling well situation, solve the problem that occurs in the drilling well.
2. the utility model utilizes electronic digital camera technique and advanced computer image processing technology, landwaste lithology and oil-abundance analysis are carried out the transition to by instrument and equipment by range estimation realize the robotization detection by quantitative, efficient and convenient, shortened evaluation cycle greatly, work efficiency and measuring accuracy have been improved, simultaneously can realize the rock sample image storage, save rock sample transportation and necessary expense usefulness, reduce the field drilling cost greatly.
3. the utility model is multiple functional, measurement is accurate, extensive market, and therefore promotion and implementation easily will promote the development of China's oil drilling technique, for China Petroleum contributes.
Four. description of drawings:
Fig. 1 is a cutting description instrument general structure synoptic diagram
Fig. 2 is the side-looking structural representation of cutting description instrument shown in Figure 1
Fig. 3 is an A-A cross-sectional view among Fig. 1
Fig. 4 is the gamma ray detectors structural representation
Fig. 5 is the electronic image pickup device structural representation
Fig. 6 is a ultraviolet source mounting structure synoptic diagram
Fig. 7 is that power supply and signaling interface are arranged synoptic diagram
Fig. 8 is a cutting description instrument principle of work block diagram
Fig. 9 is the electronic processing circuit synoptic diagram of cutting description instrument
Five. embodiment:
Embodiment one: referring to Fig. 1～9,1 is gamma ray detectors among the figure, this detector is fixed on the base plate of casing 4, detector 1 is stacked together by scintillation crystal 19 and photomultiplier 20 and forms, scintillation crystal 19 adopts the NaI crystal, detector 1 is fixed on the shielding construction bottom by spring 25, pick out three lead A from photomultiplier 20, B, C, from the bottom sidewise hole of shielding construction, pass, connect the high-voltage output end in the electronic processing circuit respectively,-12V power supply, differentiate the input of comparer in the amplifying circuit, the shielding construction surfaces externally and internally is a Stainless Steel Shell 22,24, the centre is a shielding material layer lead 23, its shape cardinal principle is complementary with the profile of detector 1, horizontal variable cross section section at detector 1 is provided with elastic washer 27, it is tightr that detector 1 is cooperated with shielding construction, 21 is scintillation crystal top packaging shell, be fixed on the shielding construction inside surface housing by 26 clamp-screws, 18 for being sleeved on " recessed " font sample box on scintillation crystal 19 tops, the box body upper end is opened wide, be used for the muck crumb, Abdeckschieber cover plate 3 is installed above sample box 18, the cover plate skin is a Stainless Steel Shell, shielding material layer lead is equipped with in the inside, before cover plate 3 is installed in by ball and retainer (figure does not draw), aft ramp 15, on 16, electronic processing circuit plate 6 is fixed on the upper right holding frame of casing 4,9 is the violet source ballast resistor, 11 is the electronic image pickup device power supply, 10 is the fromer rail chute, 12 is cutting description instrument gauge tap, 13 is power light, 12 and 13 are installed on the front door of casing 4,14 is the feet of casing 4,17 is contact-making switch, 2 is electronic image pickup device, be fixed on the support 30 by tight loop 31 and securing member 29, support 30 is fixed on the casing, 32 are the switching tube, 33 is optical filtering, 28 is liner, 7 and 8 is power lead and video line, be connected with the video card interface 37 of computing machine, 38 is serial ports of computers, 39 are supply socket, 40 is terminal box, ultraviolet tube 5 is installed on the tube face at tube stand 34 two ends, and tube stand 34 is fixed on the reflection shield 35, and reflection shield 35 is fixed on the Lamp shade holder 36, or be fixed between casing 4 and the support 36, ultraviolet lamp tube 5 is installed about near the camera head lens.
The electronic processing circuit of cutting description instrument+5V and ± the 12V power supply provides by Switching Power Supply 1 and 2, the photomultiplier operating voltage of scintillation counter is provided by high-pressure modular 1A1, as shown in Figure 9, red line in 5 lead-in wires of high-pressure modular 1A1 connects+the 12V power supply, black line ground connection, connect between white line and the black line and adjust resistance 1R10 and 1R11, regulate its big I and change output, yellow line is a high-voltage output end, the lead-in wire A that connection is picked out by detector, lead-in wire B connects-the 12V power supply, the pulse signal of lead-in wire C output connects the backward end of differentiating the comparer LM111 of amplifying circuit in the electronic processing circuit through filter capacitor 1C7,1 of LM111,4 pin ground connection, 5,6,8 pin connect+the 12V power supply, + 12V power supply is through current-limiting resistance 1R1 and voltage stabilizing diode 1V1 ground connection, the voltage stabilizing of diode 1V1 exports one the tunnel through resistance 1R3, variable resistor 1RP1, the resistance 1R4 ground connection of connecting, the backward end of comparer LM111 is also inserted on another road through resistance 1R2, with the pulse input signal parallel connection, the centre tapped voltage output of variable resistor 1RP1 series resistor 1R5 inserts the end in the same way of comparer LM111 after direct earth capacitance 1C8 filtering, the pulse signal that will be lower than this voltage as threshold voltage removes, to reach the purpose of removing glitch, output terminal 7 pin of LM111 connect+the 12V power supply through resistance 1R6, simultaneously shaping amplified pulse signal input 1D1 is carried out frequency division, prevent the too high Lou meter that overlaps to form of pulse signal frequency, frequency divider adopts binary counter CD4040,10 (CLK) pin is input, 9 (Q1) pin is output, and 11 (RST) pin is through resistance 1R7 ground connection; Pulse signal behind the frequency division inserts 4 pin of shaping circuit 1D2 (adopting chip 4538), and 4538 6 pin are output, and 4538 2 pin connect+the 12V power supply through resistance 1R8, are connected to electric capacity 1C9 between 1,2 pin, and 3 pin connect+the 12V power supply, 5 and 7 pin short circuits; Because output signal voltage is higher, count for ease of single-chip microcomputer, adopt integrated circuit 40109 (1D3) voltage to be reduced to+5V, 40109 2 and 16 pin connect+the 5V power supply, 1 pin connects+the 12V power supply, 3 pin are input, output terminal 4 pin connect 15 pin (counting input T1) of single-chip microcomputer (1D4) 89C51, count by single-chip microcomputer, 31 pin of 89C51 connect+the 5V power supply, + 5V power supply series capacitance 1C12 and resistance 1R9 ground connection, the tie point of 1R9 and 1C12 inserts 9 pin of single-chip microcomputer as resetting input, clock with in connect mode, quartz oscillator inserts 18 of 89C51,19 pin, electric capacity 1C10 series capacitance 1C11 is connected in parallel on the quartz oscillator two ends, 1C10, the tie point ground connection of 1C11, count value output is by 10,11 (RXD, TXD) pin is through transceiver (1D5) input computing machine, 9 of transceiver MAX202,10 pin connect 10 and 11 pin of 89C51 respectively, 1 of MAX202,3 and 4, meet electric capacity 1C13 and 1C14 between 5 pin respectively, 16 pin connect+the 5V power supply, and 2, be connected to electric capacity 1C15 between 16 pin, meet electric capacity 1C16 between 6 and 16 pin, 1C17, electric capacity 1C16, the tie point ground connection of 1C17,15 pin ground connection, 7 and 8 are output access computing machine.
In the present embodiment, the gamma ray detectors scintillation crystal uses sodium iodide crystal, and photomultiplier adopts the loose company in Japanese shore product, gamma rays sensing range 0-300API, sample error is less than 10%, and sense cycle can be 30 seconds, 60 seconds, 90 seconds, 120 seconds, 150 seconds, 180 seconds etc. many grades, statistical fluctuation is smaller or equal to 3%, chip sample amount 2.35 * 10
5MM
3± 5%, sample-out count is less than 20CPS to be equaled, electronic image pickup device adopts the up-to-date CCD imaging device of Japanese Sony Corporation, horizontal resolution is greater than 420 radio frequency lines, highly sensitive, minimal illumination only needs 0.0005 Lux (F1.2), use civil power or AC24V/50HZ or DC12V power supply, ultraviolet source is a SZ-A type uviol lamp, uses the 89C51 single-chip microcomputer, and serial ports can select to use COM1, three of video port SVHS, AV1, AV2, AV1 commonly used, video parameter brightness, contrast, colourity, resolution, video system look have three kinds of selections, use pal mode usually.
The detection of landwaste oil-abundance: in sample box 18, load onto landwaste to be measured, push Abdeckschieber cover plate 3 open, regulate the focal length of electronic image pickup device 2, opening ultraviolet tube 5 makes a video recording, the fluorescence picture of taking the photograph enters computing machine analysis, the fluorescence area that landwaste to be measured reflects under ultraviolet light accounts for the ratio value of analyzed area area and just represents its oil-abundance, and this result compares with the normal pictures of oil-abundance, can learn the oil-abundance value of landwaste to be measured.
The detection of landwaste lithology: cover Abdeckschieber cover plate 3, open gamma ray detectors 1, landwaste to be measured to dress in the sample box 18 carries out radiation, the scintillation pulse signal that gamma ray detectors 1 is obtained enters computing machine analysis through behind the electronic circuit, the difference that the gamma count value of the one-period that collects deducts the clean sandstone gamma value multiply by 100 then divided by the difference of mud stone and sandstone gamma number, obtain sandstone and landwaste ratio value, the ratio value of mud stone and landwaste equals 100 and deducts sandstone and landwaste ratio value, the ratio value of oil rock and sandstone equals oil-abundance and multiply by 100 divided by sandstone and landwaste ratio, and above unit is %.
Embodiment two: referring to Fig. 1～9, present embodiment and embodiment one are basic identical, and difference is, electronic image pickup device adopts digital camera, and single-chip microcomputer adopts 8051, and relevant details no longer repeats.
Embodiment three: referring to Fig. 1～9, present embodiment and embodiment one are basic identical, and difference is to adopt non-electronic image pickup device, earlier in the environment of darkroom, utilize ultraviolet light source to take out the fluorescence picture of landwaste, with scanner the rock debris fluorescent picture is carried out digitized processing again, the input computing machine, the fluorescence picture of Chu Liing in this way, might have distortion, single-chip microcomputer adopts 8031, and relevant details no longer repeats.
Can also enumerate other embodiment, enumerate no longer one by one at this.
Claims (5)
1. cutting description instrument, contain power supply, casing, electronic processing circuit, computing machine, camera head, the chip sample box, ultraviolet source, it is characterized in that: the gamma ray detectors that has shielding construction is installed on the base plate of casing, form by scintillation crystal and photomultiplier and high-pressure modular, the chip sample box is installed in the scintillation crystal upper end, and electronic image pickup device and ultraviolet source are installed in the certain distance directly over it, differentiates the input end of amplifier stage comparer in the scintillation pulse signal input electronic processing circuit that gamma ray detectors obtained, the output terminal of electronic processing circuit connects the computing machine input end by interface, and the video line of electronic image pickup device connects the video interface of computing machine.
2. description instrument according to claim 1, it is characterized in that: the outer shape of shielding construction and scintillation crystal and photomultiplier is complementary, the surfaces externally and internally of shielding construction can be Stainless Steel Shell, it between the two housings lead material screen layer, the gamma ray detectors lower end is installed on the inner bottom surface of shielding construction by spring, the variable cross section transition section place of detector tightens up by elastic washer and shielding construction, above sample box, be provided with the Abdeckschieber cover plate of shielding construction, the chip sample box can be down " recessed " font or short cylindrical shape structure, the pick-up lens of electronic image pickup device should be within the zoom focal range of this pick-up lens to the distance between the sample box upper surface, electronic image pickup device is fixed on the support by fastening collar, support is fixed on the wallboards of box body, ultraviolet source is installed on the lamp bracket of camera both sides of camera head, lamp bracket is fixed on the box body wall, electronic image pickup device can be for being made up of electro-photographic head and video card, or be the electronic digital video camera, or be digital camera, or device for constituting by non-electronic image pickup device and scanner.
3. description instrument according to claim 1 and 2, it is characterized in that: the both sides of Abdeckschieber cover plate lower surface are equipped with the ball of band retainer respectively, wherein one sidewinder pearl and cooperate with the V-shaped groove of a guide rail, the opposite side ball cooperates with the direction recess of another guide rail, article two, guide rail is fixed on the middle crossbeam of casing, operating handle is equipped with in the cover plate front side, spacer pin is housed on the trailing flank, the wiring board clamping of electronic processing circuit is installed in the card slot that is fixed in the casing, ultraviolet source voltage is alternating current 220V, power supply is to electro-photographic mechanism, high-pressure modular provides+5V, ± 12V direct supply or 24V AC power, the scintillation crystal of gamma ray detection device can be the mineral crystal powder, organic crystal, liquid or plastic crystal etc.
4. description instrument according to claim 1 and 2, it is characterized in that: electronic processing circuit contains the discriminating amplifier stage, shaping stage, single-chip microcomputer and peripheral cell, the pulse signal of gamma ray detectors output is input to the backward end of differentiating amplifier stage comparer LM111 in the electronic processing circuit, the threshold voltage that the termination in the same way of comparer LM111 is provided by power supply and mu balanced circuit, the output pulse signal of LM111 can be input to the input end of shaping circuit chip 4538 behind the frequency divider frequency division, output signal after the shaping is through chip 40109 step-downs, the T1 pin of input single-chip microcomputer 89C51 is counted, count value is by serial port RXD, TXD is input to the input end of transceiver MAX202, handles through MAX202 input computing machine.
5. description instrument according to claim 4, it is characterized in that: in electronic processing circuit, comparer also can be LM319, LM311, the also available CD4098 of shaping circuit chip, single-chip microcomputer can be with 31,51,52 family chips, or are MLU, tm320 series, also available rolling counters forward, counting output can be through parallel port or serial port input computing machines such as latch or transceivers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03235673 CN2676196Y (en) | 2003-03-01 | 2003-03-01 | Debris describing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03235673 CN2676196Y (en) | 2003-03-01 | 2003-03-01 | Debris describing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2676196Y true CN2676196Y (en) | 2005-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03235673 Expired - Fee Related CN2676196Y (en) | 2003-03-01 | 2003-03-01 | Debris describing instrument |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901733A (en) * | 2012-11-02 | 2013-01-30 | 中国石化集团胜利石油管理局地质录井公司 | Rock stratum geological analysis image transmission instrument |
| CN111221024A (en) * | 2019-09-06 | 2020-06-02 | 山东大学 | TBM (tunnel boring machine) carrying type tunnel front surrounding rock radioactivity forecasting system and method |
| CN111707681A (en) * | 2019-03-18 | 2020-09-25 | 中国石油化工股份有限公司 | Detection system and method for content of elements in rock debris |
| CN113514897A (en) * | 2020-04-10 | 2021-10-19 | 中国石油化工股份有限公司 | Instrument for scanning and measuring natural gamma and gamma energy spectrum of rock sample |
-
2003
- 2003-03-01 CN CN 03235673 patent/CN2676196Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901733A (en) * | 2012-11-02 | 2013-01-30 | 中国石化集团胜利石油管理局地质录井公司 | Rock stratum geological analysis image transmission instrument |
| CN111707681A (en) * | 2019-03-18 | 2020-09-25 | 中国石油化工股份有限公司 | Detection system and method for content of elements in rock debris |
| CN111707681B (en) * | 2019-03-18 | 2023-09-12 | 中国石油化工股份有限公司 | System and method for detecting element content in rock debris |
| CN111221024A (en) * | 2019-09-06 | 2020-06-02 | 山东大学 | TBM (tunnel boring machine) carrying type tunnel front surrounding rock radioactivity forecasting system and method |
| CN113514897A (en) * | 2020-04-10 | 2021-10-19 | 中国石油化工股份有限公司 | Instrument for scanning and measuring natural gamma and gamma energy spectrum of rock sample |
| CN113514897B (en) * | 2020-04-10 | 2024-03-01 | 中国石油化工股份有限公司 | Instrument for scanning and measuring natural gamma and gamma energy spectrum of rock sample |
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| CF01 | Termination of patent right due to non-payment of annual fee |