CN101832129B - Downhole manual radioactive reservoir fluid analyzer - Google Patents
Downhole manual radioactive reservoir fluid analyzer Download PDFInfo
- Publication number
- CN101832129B CN101832129B CN2009100794236A CN200910079423A CN101832129B CN 101832129 B CN101832129 B CN 101832129B CN 2009100794236 A CN2009100794236 A CN 2009100794236A CN 200910079423 A CN200910079423 A CN 200910079423A CN 101832129 B CN101832129 B CN 101832129B
- Authority
- CN
- China
- Prior art keywords
- sample
- downhole
- reservoir fluid
- fluid analyzer
- radioactive
- 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.)
- Expired - Fee Related
Links
- 230000002285 radioactive effect Effects 0.000 title claims abstract description 50
- 239000012530 fluid Substances 0.000 title claims abstract description 45
- 238000004891 communication Methods 0.000 claims abstract description 18
- 238000005070 sampling Methods 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 238000013016 damping Methods 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000003208 petroleum Substances 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005481 NMR spectroscopy Methods 0.000 description 3
- 238000007405 data analysis Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052695 Americium Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- LXQXZNRPTYVCNG-UHFFFAOYSA-N americium atom Chemical compound [Am] LXQXZNRPTYVCNG-UHFFFAOYSA-N 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Measurement Of Radiation (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a downhole manual radioactive reservoir fluid analyzer, which is installed in a logging instrument. The downhole manual radioactive reservoir fluid analyzer comprises a communication and control part, a sampling and sample processing part, a nuclear detector, a sample data analysis center, a sample cavity, a manual radioactive source and a radioactive source controller, wherein, the communication and control part is connected with a ground by a logging cable, and is respectively connected with the sampling and sample processing part, the nuclear detector, the sample data analysis center and the radioactive source controller; the radioactive source controller is connected with the manual radioactive source; and the sampling and sample processing part is provided with a sampler for collecting a sample, putting the sample into the sample cavity to be analyzed and then pushing the sample out of the sample cavity after analysis. The downhole manual radioactive reservoir fluid analyzer realizes complete downhole sample analysis, can analyze a plurality of samples in a pit once, and completely keep the original shape of the samples in the analysis process so as to ensure that the analysis result is nearest to a real situation.
Description
Technical field
The present invention relates to a kind of downhole fluid analysis instrument for the petroleum resources exploration, relate in particular to a kind of employing man-made source, directly sample is analyzed in the down-hole and realized analyzing the pretreated downhole manual radioactive reservoir fluid analyzer of data, belong to the oil exploration technology field.
Background technology
Oil is the basic material of multiple industrial products, and its supply is related to national economy.According to research, China in 2008 is 47.9% to the degree of dependence of foreign oil resource, namely oil supply nearly half need rely on external import.In the face of this situation, press in oil exploration and obtain important breakthrough, verify more reserves, to reduce the breach of oil supply.
Oil is imbedded in underground tens meters rocks that hole, crack or solution cavity are arranged that do not wait to a few km degree of depth.In order to seek and recover petroleum, need go out a passage to Drilling between the underground oil-gas Layer from ground, this process is called as drilling well.During drillng operation, rely on the power of rig to drive drilling rod and drill bit rotation, drill bit is the rock stratum that runs into of fragmentation downwards one by one, and forms a pit shaft.Drill bit will be lowered to instrument and carry out logging operation after arriving projected depth in pit shaft, in order to determine the position of down-hole formation lithology and each oil, gas, water layer.
Oil well logging is subject principles such as utilization sound, electricity, nuclear, magnetic, widely apply modern new material, new technology, microelectronics and computer technology, the technology of the stratum being measured in the wellbore environment of high temperature, high pressure, be accurately to understand stratigraphic structure and stratum component, seek petroleum resources and to its important means of estimating.Along with deepening continuously of oil-gas exploration and development, its object also becomes increasingly complex.Well logging is as the important technical of petroleum exploration and development, and its status and effect also show day by day.
Use comparatively general logging technique to comprise well logging during, nuclear magnetic resonance log at present, cross casing log, wireline logging etc.In addition, the company that has also developed multipole sound wave, many weight senses should, novel downhole instrument such as oil-base mud resistivity imaging.But, still there is certain deficiency in these technology, for example in existing wireline logging instrument, common sample analysis way has two kinds: 1. the formation sample that will analyze is fetched into ground from several kms down-hole of HTHP, send back to the analytical test center in base, under the normal temperature and pressure state, use conventional method to carry out the analytical test of various physics, chemical aspect.2. the method for analytic sample directly being carried out spectrum or nuclear magnetic resonance in the down-hole is analyzed.The weak point of these two kinds of methods is: the 1st kind of method destroyed the high-temperature high-pressure state of sample fully, owing to sample will be taken out from the down-hole, delivers to operational base, yield poor results, risk is also big, can only analyze 2～3 samples at every turn, duty cycle is long, and is very uneconomical.Though the 2nd kind of method kept the reset condition of sample, owing to use the method for spectrum or nuclear magnetic resonance to make the obtainable information of instrument limited, and relatively poor with the degree of association of conventional logging method.
Therefore, vast oil exploration enterprise needs the novel reservoir fluid analyzer that a kind ofly has man-made source such as accelerator for neutron production, can analyze downhole samples at a high speed, effectively badly and comes out.
Summary of the invention
In view of the current demand of existing in prior technology deficiency and domestic petroleum exploration enterprise, technical problem to be solved by this invention is to provide a kind of novel downhole manual radioactive reservoir fluid analyzer.This instrument adopts man-made source, can be directly in the down-hole sample be analyzed and realize analyzing the data preliminary treatment.
For realizing above-mentioned goal of the invention, the present invention adopts following technical scheme:
A kind of downhole manual radioactive reservoir fluid analyzer is characterized in that:
Described downhole manual radioactive reservoir fluid analyzer comprises communication and control section, sampling and sample processing part, nuclear detector, sample data analysis center and sample cavity, man-made source and radioactive source controller;
Described communication and control section are connected with ground by logging cable on the one hand, connect sampling and sample processing part, nuclear detector, sample data analysis center and radioactive source controller on the other hand respectively, described radioactive source controller connects man-made source;
Have sampler in described sampling and the sample processing part, described sampler collected specimens is put into described sample cavity with described sample and is analyzed, and analyzing finishes releases described sample cavity with sample afterwards.
Wherein, described man-made source is accelerator for neutron production.
Described accelerator for neutron production is enclosed in the cavity at sample cavity rear, and an end contacts with inside cavity to realize fixing by damping spring by yielding rubber, an other end.
The front end of described closed housing is sample cavity, and the rear end is to realize pistons reciprocating.
Described sampling and sample processing part, sample data analysis center and radioactive source controller use independently microprocessor to control respectively.
Described downhole manual radioactive reservoir fluid analyzer comprises also whether for judgement sample be the sample identifier of stratum stoste, and described sample identifier is connected with described communication and control section.
Described sample identifier comprises amplifier, constant-current source and four electrodes, and wherein two electrodes connect described amplifier, and two other electrode connects described constant-current source.
Downhole manual radioactive reservoir fluid analyzer provided by the present invention will be placed on the down-hole fully and finish to the analysis of sample, once go into the well and can analyze a plurality of samples, keep the sample former state in the analytic process fully, thereby make analysis result near truth; Adopt the control of high speed built-in industrial and data analysis to calculate, cooperate the element spectrogram that sample is carried out detail analysis, and send ground to show that operating process is very convenient data.
Description of drawings
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is the instrument string figure that the logger of this downhole manual radioactive reservoir fluid analyzer is installed;
Fig. 2 is the overall structure schematic diagram of this downhole manual radioactive reservoir fluid analyzer;
Fig. 3 is the each several part annexation schematic diagram of this downhole manual radioactive reservoir fluid analyzer;
Fig. 4 is the physical circuit schematic diagram of this downhole manual radioactive reservoir fluid analyzer;
Fig. 5 is for being used for whether judgement sample is the principle schematic of the sample identifier of stratum stoste;
Fig. 6 is for finishing sampling and abandoning the sampler structure schematic diagram of sample operation in the down-hole.
The specific embodiment
Fig. 1 is the instrument string figure that the logger of this downhole manual radioactive reservoir fluid analyzer is installed.In this logger, 1,2,3,4 and 5 parts that head end is linked in sequence are this downhole manual radioactive reservoir fluid analyzer (abbreviating fluid analyser as), tail end carries out information exchange by logging cable and the communication system and the computer equipment that are positioned at ground, is a plurality of instruments of carrying out functions such as tonometry, temperature survey, mud resistivity measurement, natural gamma (natural potential) measurement, data communication in the rear end of this fluid analyser.These instruments all are the conventional instruments that those of ordinary skills are familiar with, and have not just given unnecessary details in detail at this.Between these instruments and logging cable, it is a head harness that plays quick dynamo-electric connection effect.This head harness also is all very familiar conventional design of persons skilled in the art, and for example the patent No. is that 03252767.5 Chinese utility model patent has just been introduced a kind of electrode, wireline logging head harness.
Figure 2 shows that the overall structure schematic diagram of this fluid analyser.Communication wherein and control section are the part 1 among Fig. 1, its role is to finish the information exchange of down-hole main communication system or Ground Communication System, finish control and information gathering to each functional part of down-hole simultaneously; Sampling and sample processing part correspondence the part 2 among Fig. 1, its role is to finish the sample collection to stratum and stratum liquid, and will carry out suitable processing with the sample of crossing; Nuclear detector, sample data analysis center and sample cavity correspondence the 3rd part among Fig. 1, wherein nuclear detector is used for realizing the non-resilient and elasticity of various elements and the collection of capture spectrum, sample data analysis center be used for to realize collection, analysis and the calculating to survey data, and sample cavity is used for depositing sampler and gets back to mud sample or stratum and formation fluid sample in the instrument.Around sample cavity, can place 2～3 kinds of radioactive shielding materials.The man-made source correspondence the 4th part among Fig. 1; And radioactive source controller correspondence the 5th part among Fig. 1.This two-part effect is to finish the generation of radioactive particle, and under the assistance of radioactive source controller, obtains suitable radioactive ray and remove to bombard sample.
Annexation between the each part mentioned above as shown in Figure 3, wherein communication and control section are connected with ground by logging cable shown in Figure 1 on the one hand, connect sampling and sample processing part, nuclear detector and sample data analysis center and radioactive source controller on the other hand respectively.The radioactive source controller connects man-made source.This man-made source is launched high-energy ray to the sample in the sample cavity, and this high-energy ray is analyzed and handled it by sample data analysis center, and relevant result is uploaded to ground by aforesaid communication and control section after being received by nuclear detector.Has sampler in sampling and the sample processing part.This sampler is gathered the reservoir fluid sample of logger sidewall, puts it in the sample cavity and analyzes, and analyzing finishes releases sample cavity with sample afterwards, in order to allow the sample cavity of vacating can hold new sample.
Figure 4 shows that the physical circuit schematic diagram of this fluid analyser.(logging cable commonly used has only seven lines altogether at the special requirement of underground work, there are bottleneck problems such as transfer rate is low, narrow bandwidth in transfer of data, therefore should reduce inner transfer of data) as far as possible, adopted the microprocessor that is exclusively used in hydraulic control (be illustrated as CPU, down with) respectively, be exclusively used in data analysis and surveyed the microprocessor of handling and be exclusively used in the microprocessor of control radioactive source controller.These microprocessors all are connected with above-mentioned communication and control section.Wherein, relevant drive circuit and the hydraulic pressure executive circuit of microprocessor control that is used for hydraulic control carried out backup, retraction, taken a sample, abandons operation such as sample.The microprocessor that is used for data analysis and detection processing sends high voltage control signal to photomultiplier, and receives the pulse signal that photomultiplier returns.The control circuit that is used for the microprocessor radiotropism source of control radioactive source controller sends high voltage control signal and ionization control signal.The flux testing result of neutron flux detector will return to this microprocessor.
In the present invention, employed man-made source is preferably accelerator for neutron production, but also can be the radioactive source that americium beryllium source, gamma ray source etc. send ray.Be example to adopt accelerator for neutron production, accelerator for neutron production produces the neutron beam of institute's energy requirement, the bombardment sample.This accelerator for neutron production is finished neutron yield and stable control by corresponding control circuit.In when well logging, accelerator for neutron production is put into the fast neutron that boring emitted by accelerator for neutron production with downhole instrument and is attenuated to thermal energy state through a series of collisions, passes through the diffusion of certain distance again, is absorbed at last.Because hydrogen has king-sized slowing down power(SDP) to neutron, so the deceleration character of rock is mainly determined by what of hydrogen content in the rock stratum.Neutron well logging can be used for seeking the mineral products (as boron) with special neutron character and the degree of porosity of studying the rock stratum, and distinguishes oil-water-layer according to the content of chlorine.
The course of work of this fluid analyser is such:
Enter the target zone position of down-hole when fluid analyser after, under the control on ground, target zone is taken a sample: at first control instrument by the Ground Engineer, the primer fluid pressing system.Earlier well mud is drawn sampling, and carry out the analysis of sample, calculated data and storage are abandoned sample then to borehole wall backup packing, gather formation sample.When gathering, sample is carried out analysis and judgement.If the stratum former state then starts routine analyzer, analytic sample, so circulation.The data of analyzing are by the Department of Communication Force dispensing ground of fluid analyser, and ground also sends to the down-hole instrument by communications portion for the data of downhole cartridge and instruction.
In the course of the work, the fluid sample of incoming fluid analyzer, whether stratum stoste is identified by the sample identifier that is contained in fluid analyser inside, and its principle is as shown in Figure 5.Give No. 1 and No. 4 electrode power supplies by constant-current source, in the sample flow pipe, form current path, when electric current flows through No. 3, No. 4 electrodes, form potential difference, this potential difference is sent in the amplifier and is amplified, when electric current one regularly, the voltage that flows through No. 3, No. 4 electrodes by measurement can be tried to achieve the resistance between No. 3, No. 4.
The sample resistivity of surveying, can be calculated by following formula:
r＝k·R
K be one with sample cell diameter and No. 3, No. 4 relevant coefficients of electrode distance, calculate or scale can be determined by theory, calculate the sample resistivity in the sample cell thus, whether be mud in order to differentiate, F or stratum stoste.
This fluid analyser also has an important feature to be the operation that sampler can be finished sampling in the down-hole and abandon sample.As shown in Figure 6, accelerator for neutron production is enclosed in the closed housing at sample cavity rear.In the inside of closed housing, accelerator for neutron production one end contacts with inside cavity by damping spring by yielding rubber, an other end, thereby realizes fixing.The front end of this closed housing is sample cavity, and the rear end is one can realize pistons reciprocating.Like this, the reciprocating motion of the piston by hydraulic control, accelerator for neutron production moves back and forth with closed housing integral body.When piston retreated, the space enlargement of sample cavity can be held new sample; When piston-advance, the space of sample cavity dwindles, thereby original sample is outwards extruded.
When finishing sampling and abandoning the operation of sample, judge at first whether the liquid that enters in the fluid analyser sample inlet is stratum stoste.If then close sample cavity outlet valve by hydraulic control system control, open sample cavity inlet port valve, at A mouth input high-pressure and hydraulic oil stream, B mouth connected tank, piston moves downward, and opens sample cavity, when sample cavity reach all open after, open accelerator for neutron production and carry out sample bombardment, analytic sample element.After analyze finishing, close the sample cavity import, open the sample cavity outlet, send hydraulic oil stream at the B mouth, A mouth connected tank, piston moves upward, original sample is extruded, for next sample take get ready.
Compare with existing similar products, fluid analyser provided by the present invention can maintain the original state sample and analyze in the down-hole, once go into the well and to analyze a plurality of samples, keep the sample former state in the analytic process fully, thereby make analysis result near truth.The analysis data that obtain have been carried out preliminary treatment in the down-hole, can show directly that after further handle on ground the result is for geologist's reference.
More than downhole manual radioactive reservoir fluid analyzer provided by the present invention is had been described in detail.For one of ordinary skill in the art, any apparent change of under the prerequisite that does not deviate from connotation of the present invention it being done all will constitute to infringement of patent right of the present invention, with corresponding legal responsibilities.
Claims (7)
1. downhole manual radioactive reservoir fluid analyzer is characterized in that:
Described downhole manual radioactive reservoir fluid analyzer comprises communication and control section, sampling and sample processing part, nuclear detector, sample data analysis center and sample cavity, man-made source and radioactive source controller;
Described communication and control section are connected with ground by logging cable on the one hand, connect sampling and sample processing part, nuclear detector, sample data analysis center and radioactive source controller on the other hand respectively, described radioactive source controller connects man-made source;
Have sampler in described sampling and the sample processing part, described sampler collected specimens is put into described sample cavity with described sample and is analyzed, and analyzing finishes releases described sample cavity with sample afterwards.
2. as the described downhole manual radioactive reservoir fluid analyzer of claim l, it is characterized in that:
Described man-made source is accelerator for neutron production.
3. downhole manual radioactive reservoir fluid analyzer as claimed in claim 2 is characterized in that:
Described accelerator for neutron production is enclosed in the cavity at sample cavity rear, and an end contacts with inside cavity to realize fixing by damping spring by yielding rubber, an other end.
4. downhole manual radioactive reservoir fluid analyzer as claimed in claim 3 is characterized in that:
The front end of described cavity is sample cavity, and the rear end is to realize pistons reciprocating.
5. downhole manual radioactive reservoir fluid analyzer as claimed in claim 1 is characterized in that:
Described sampling and sample processing part, sample data analysis center and radioactive source control are clamored and are used independently microprocessor to control respectively.
6. downhole manual radioactive reservoir fluid analyzer as claimed in claim 1 is characterized in that:
Described downhole manual radioactive reservoir fluid analyzer comprises also whether for judgement sample be the sample identifier of stratum stoste, and described sample identifier is connected with described communication and control section.
7. downhole manual radioactive reservoir fluid analyzer as claimed in claim 6 is characterized in that:
Described sample identifier comprises amplifier, constant-current source and four electrodes, and wherein two electrodes connect described amplifier, and two other electrode connects described constant-current source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100794236A CN101832129B (en) | 2009-03-10 | 2009-03-10 | Downhole manual radioactive reservoir fluid analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100794236A CN101832129B (en) | 2009-03-10 | 2009-03-10 | Downhole manual radioactive reservoir fluid analyzer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101832129A CN101832129A (en) | 2010-09-15 |
| CN101832129B true CN101832129B (en) | 2013-08-14 |
Family
ID=42716325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100794236A Expired - Fee Related CN101832129B (en) | 2009-03-10 | 2009-03-10 | Downhole manual radioactive reservoir fluid analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101832129B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275465B (en) * | 2015-09-23 | 2018-06-19 | 中国石油大学(北京) | Nuclear magnetic resonance logging system |
| CN107304674B (en) * | 2016-04-20 | 2021-04-02 | 中石化石油工程技术服务有限公司 | Logging method for evaluating oil content of reservoir by using nuclear magnetic resonance of drilling fluid |
| CN110107291A (en) * | 2019-05-09 | 2019-08-09 | 广州海洋地质调查局 | A kind of downhole fluid in-situ Raman detection system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201428453Y (en) * | 2009-03-10 | 2010-03-24 | 北京环鼎科技有限责任公司 | Underground artificial radioactivity reservoir fluid analyzer |
-
2009
- 2009-03-10 CN CN2009100794236A patent/CN101832129B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201428453Y (en) * | 2009-03-10 | 2010-03-24 | 北京环鼎科技有限责任公司 | Underground artificial radioactivity reservoir fluid analyzer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101832129A (en) | 2010-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102759751B (en) | High-resolution three-dimensional resistivity CT imaging advanced prediction system and method for underground engineering | |
| CN1239809C (en) | Method for predetermining subfloor temp | |
| CN105927211B (en) | A kind of the rock mass mechanics characteristic original position drilling test method and device of deep underground engineering | |
| CN103527181B (en) | A kind of with boring controllable source neutron well logging method and instrument | |
| CN101354362B (en) | Method for analyzing x-ray fluorescence shale content in petroleum well drilling | |
| US20120095687A1 (en) | Method of predicting source rock thermal maturity from log responses | |
| CN105487135B (en) | Sedimentary basin geothermal energy resources Type division method | |
| CN101082277A (en) | Oil well drilling geological X-ray fluorescent debris logging method | |
| CN202755971U (en) | Drill-following controllable source neutron logging instrument | |
| Niemi et al. | Small-scale CO2 injection into a deep geological formation at Heletz, Israel | |
| US20130056201A1 (en) | Method for evaluating hydrocarbon-containing subterrean formations penetrated by a directional wellbore | |
| CN101832129B (en) | Downhole manual radioactive reservoir fluid analyzer | |
| CN201428453Y (en) | Underground artificial radioactivity reservoir fluid analyzer | |
| CN202794556U (en) | High-resolution three-dimensional resistivity CT imaging advanced forecasting system for underground engineering | |
| CN103808641A (en) | Determination method for permeability of core matrix | |
| CN101603421B (en) | Gamma radiation logging along drilling method for petroleum drilling fluid | |
| CN109538199A (en) | A kind of coal measure strata air content evaluation method, device and electronic equipment | |
| Nordqvist et al. | Groundwater flow and hydraulic gradients in fractures and fracture zones at Forsmark and Oskarshamn | |
| CN110454155B (en) | Method for determining age of quaternary stratum by using susceptibility logging method | |
| WO2015178872A2 (en) | Neutron tool with dual-purpose detector | |
| US10989049B2 (en) | Apparatus and methods for high quality analysis of reservoir fluids | |
| CN202794555U (en) | Electrode delivery device used for high-resolution 3-D resistivity CT imaging in underground engineering | |
| CN112443311A (en) | Method for converting wet weight of returned rock debris of drilling well into underground volume | |
| CN1479116A (en) | Wells monitoring method of movable water saturation between using gadolinium tracing neutron gamma energy spectrum | |
| RU132484U1 (en) | SYSTEM OF CONTROL OF TECHNICAL CONDITION OF EXISTING WELLS |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20130814 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |