CN201857959U - Ultraviolet reflection spectral oil-gas on-line detection and logging device - Google Patents
Ultraviolet reflection spectral oil-gas on-line detection and logging device Download PDFInfo
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- CN201857959U CN201857959U CN2010205709134U CN201020570913U CN201857959U CN 201857959 U CN201857959 U CN 201857959U CN 2010205709134 U CN2010205709134 U CN 2010205709134U CN 201020570913 U CN201020570913 U CN 201020570913U CN 201857959 U CN201857959 U CN 201857959U
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Abstract
The utility model relates to an ultraviolet reflection spectral oil-gas on-line detection and logging device which belongs to the technical field of geological logging during oil exploration and development processes. The ultraviolet reflection spectral oil-gas on-line detection and logging device comprises an overhead tank, a draft pipeline, a sample cell, a drainage pipeline, a circulation tank, a transmitting quartz optical fiber, a receiving quartz optical fiber, an ultraviolet spectrum detecting system, a computer, a serial port data wire and a logging instrument, wherein the sample cell is a tank-shaped body, an inlet of the sample cell is connected with the overhead tank through the draft pipeline, and an outlet of the sample cell is connected with the circulation tank through the drainage pipeline; the transmitting quartz optical fiber and the receiving quartz optical fiber are connected with the ultraviolet spectrum detecting system; and the ultraviolet spectrum detecting system is connected to the comprehensive logging instrument through the computer and the serial port data wire. By utilizing the ultraviolet reflection spectrum analysis technology, drilling fluid samples passing through the continuous sample cell are irradiated through an ultraviolet spectrum during the logging process, signals containing oil-gas saturation degree of drilling fluid can be obtained, and the oil-gas-containing feature of the fluid of a drilling strata can be directly detected in real time, thereby being simultaneously conducive to safety construction of drilling.
Description
Technical field:The utility model relates to the online detection well logging of a kind of ultraviolet reflectance spectrum oil gas device, belongs to geological logging technical field in the petroleum exploration and development process, especially drilling process PetroChina Company Limited. natural gas on-line measuring device.
Background technology:In drilling process, oil and gas detection mainly is to utilize the gas detection logging means, and the formation fluid property of drilling strata is analyzed, and finds and the judgement petroleum resources.
Traditional gas logging technology scheme is: utilize degasser that the fluid in the drilling strata that carries in the drilling fluid is stirred in drilling process, isolate gaseous sample, deliver to the gas detection logging device and carry out check and analysis, obtain the gas detection logging data, on-the-spot geological logging technician analyzes according to these data, finds and the judgement petroleum resources.The tradition gas logging technology needs degasser on the one hand, is unfavorable for on-the-spot fitting operation, has certain potential safety hazard; On the other hand, logging data is discontinuous, has analytical cycle, is difficult to adapt to the requirement of drilling technology fast development; Simultaneously, this technical costs is higher, and range of application is restricted.
Patent documentation " oil drilling gas detection logging device (02286909.3) " discloses a kind of gas detection logging device, belong to and utilize detecting element to detect the field that paraffin gas shows, by gas-detecting device, amplifying circuit, A/D converter and Computer Processing and display unit are formed, gas-detecting device is by gas detecting element, compensating element, and resistance are formed an electric bridge, gas sensor is installed in return mud exit on the oil drilling scene, monitor underground oil gas in real time, when running into oil, gas detecting element can detect hydrocarbon gas very delicately, bridge circuit is exported the voltage variable signal of corresponding size according to the size of hydrocarbon gas concentration, after the signal amplification of signal amplification circuit, be transferred to A/D converter with gas sensor output, is analog signal conversion data signal, delivering to computer again handles, computer is handled in real time to the signal of gathering, and shows in the mode of curve or data.It is characterized in that mainly light hydrocarbon gas constituent content situation in the drilling fluid being detected, be difficult to detect for the heavy ends alkane component.
Patent documentation " drilling mud infrared-gas detector (200620080616.5) " discloses a kind of drilling mud infrared-gas checkout gear, belongs to the technical control territory that utilizes infrared light to come test analysis gas.The degasser, sample air pump and the steady valve that it is characterized in that air path part are connected successively, are that the hydrocarbon detection chambers is connected successively with the heavy hydrocarbon detection chambers then, by the gas outlet emptying of heavy hydrocarbon detection chambers; The lighter hydrocarbons of Data Detection processing section, heavy hydrocarbon detection module input signal are respectively from two Infrared Detectors of lighter hydrocarbons, heavy hydrocarbon detection chambers rear end; Deliver to display by the signal data that lighter hydrocarbons, heavy hydrocarbon detection module will be handled, deliver to collecting computer through converter again simultaneously, this device can not work in outdoor, has defectives such as pipeline time-delay.
Summary of the invention:The utility model is to need to install defective such as degasser, logging data be discontinuous in the above-mentioned prior art in order to overcome, a kind of drilling fluid direct irradiation that utilizes ultraviolet light to circulation is provided, detects the online detection well logging of the ultraviolet reflectance spectrum oil gas device of hydrocarbon content.
The technical scheme that its technical problem that solves the utility model adopts is:
The utility model is made up of built on stilts groove, drainage pipeline, sample cell, drain line, circulating tank, emission silica fibre, reception silica fibre, ultraviolet spectra detection system, computer, serial port data line, well logging instrument, wherein, sample cell is a tank-like body, its import is connected with built on stilts groove by the drainage pipeline, and outlet is connected with circulating tank by drain line; Emission silica fibre, reception silica fibre are connected with the ultraviolet spectra detection system; The ultraviolet spectra detection system is connected to the well logging instrument by computer, serial port data line.
The height of the tank skin upper inlet of described sample cell is lower than the height of outlet.
The online detection well logging of ultraviolet reflectance spectrum oil gas device according to the technique scheme manufacturing, utilized the ultraviolet reflectance spectral analysis technique, in the well logging process, by ultraviolet spectra the drilling fluid sample through the continuous sample pond is shone, obtain the signal of oil content of drilling fluid gas saturation, overcome the data that exist in traditional gas detection logging discontinuous, be unfavorable for defectives such as thin layer oil gas resource discovering.Simultaneously, because directly carrying out hydrocarbon saturation to the drilling fluid that circulates in the drilling process, this device detects, the needs installation degasser of traditional gas detection logging existence, the defective that there is pipeline time-delay in logging data have been overcome, directly detect drilling strata fluid oil-gaws bearing character in real time, help the drilling safety construction simultaneously.This device can be widely used in the geological logging field, has objective society and economic benefit.
Description of drawings:
Fig. 1 is the utility model theory diagram.
The specific embodiment:Below in conjunction with accompanying drawing the utility model is further described:
As shown in Figure 1, the utility model is made up of built on stilts groove 1, drainage pipeline 2, sample cell 3, drain line 4, circulating tank 5, emission silica fibre 6, reception silica fibre 7, ultraviolet spectra detection system 8, computer 9, serial port data line 10, well logging instrument 11, wherein: sample cell 3 is a tank-like body, import on the tank skin is lower than outlet, its import is connected with built on stilts groove 1 by drainage pipeline 2, and outlet is connected with circulating tank 5 by drain line 4; Emission silica fibre 6, reception silica fibre 7 are connected with ultraviolet spectra detection system 8; Ultraviolet spectra detection system 8 is connected to well logging instrument 11 by computer 9, serial port data line 10.
In drilling process, the drilling fluid of built on stilts groove 1 circulation is incorporated into sample cell 3 through drainage pipeline 2, again drilling fluid is discharged into circulating tank 5 by drain line 4 again, and sample cell 3 adopts the low in and high out mode, guarantees that detected drilling fluid sample has higher representativeness; In the well logging process, 6 ultraviolet lightings of launching of ultraviolet spectra detection system 8 process emission silica fibres are mapped to the drilling fluid sample surfaces in the sample cell 3, the light reflection ultraviolet that carries oil gas information is sent to ultraviolet spectra detection system 8 through receiving silica fibre 7, delivering to microcomputer 9 through the oil gas information after 8 analyses of ultraviolet spectra detection system encodes, deliver to well logging instrument 11 by serial data bundle of lines logging data and analyze, can obtain the signal of oil content of drilling fluid gas saturation.
Claims (2)
1. the online detection well logging of ultraviolet reflectance spectrum oil gas device, form by built on stilts groove (1), drainage pipeline (2), sample cell (3), drain line (4), circulating tank (5), emission silica fibre (6), reception silica fibre (7), ultraviolet spectra detection system (8), computer (9), serial port data line (10), well logging instrument (11), it is characterized in that: sample cell (3) is a tank-like body, its import is connected with built on stilts groove (1) by drainage pipeline (2), and outlet is connected with circulating tank (5) by drain line (4); Emission silica fibre (6), reception silica fibre (7) are connected with ultraviolet spectra detection system (8); Ultraviolet spectra detection system (8) is connected to well logging instrument (11) by computer (9), serial port data line (10).
2. the online detection well logging of ultraviolet reflectance spectrum oil gas according to claim 1 device is characterized in that: the height of the import on sample cell (3) tank skin is lower than the height of outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205709134U CN201857959U (en) | 2010-10-21 | 2010-10-21 | Ultraviolet reflection spectral oil-gas on-line detection and logging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205709134U CN201857959U (en) | 2010-10-21 | 2010-10-21 | Ultraviolet reflection spectral oil-gas on-line detection and logging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201857959U true CN201857959U (en) | 2011-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2010205709134U Expired - Lifetime CN201857959U (en) | 2010-10-21 | 2010-10-21 | Ultraviolet reflection spectral oil-gas on-line detection and logging device |
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| CN (1) | CN201857959U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291733A (en) * | 2016-07-15 | 2017-01-04 | 西南石油大学 | A kind of Portable petroleum tester |
| CN109025924A (en) * | 2018-05-08 | 2018-12-18 | 中国海洋石油集团有限公司 | Oil saturation dynamic monitoring platform based on microcosmic petrographic thin section |
-
2010
- 2010-10-21 CN CN2010205709134U patent/CN201857959U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291733A (en) * | 2016-07-15 | 2017-01-04 | 西南石油大学 | A kind of Portable petroleum tester |
| CN106291733B (en) * | 2016-07-15 | 2018-07-06 | 西南石油大学 | A kind of Portable petroleum tester |
| CN109025924A (en) * | 2018-05-08 | 2018-12-18 | 中国海洋石油集团有限公司 | Oil saturation dynamic monitoring platform based on microcosmic petrographic thin section |
| CN109025924B (en) * | 2018-05-08 | 2024-04-05 | 中国海洋石油集团有限公司 | Oil saturation dynamic monitoring platform based on microcosmic rock slice |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110608 |
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| CX01 | Expiry of patent term |