CN106770278B - A method of determining sandstone reservoir middle ancient times Diagenesis fluids source - Google Patents

A method of determining sandstone reservoir middle ancient times Diagenesis fluids source Download PDF

Info

Publication number
CN106770278B
CN106770278B CN201610985115.XA CN201610985115A CN106770278B CN 106770278 B CN106770278 B CN 106770278B CN 201610985115 A CN201610985115 A CN 201610985115A CN 106770278 B CN106770278 B CN 106770278B
Authority
CN
China
Prior art keywords
quartz
oxygen isotope
secondary side
diagenesis fluids
diagenesis
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.)
Active
Application number
CN201610985115.XA
Other languages
Chinese (zh)
Other versions
CN106770278A (en
Inventor
远光辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China University of Petroleum East China
Original Assignee
China University of Petroleum East China
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China University of Petroleum East China filed Critical China University of Petroleum East China
Priority to CN201610985115.XA priority Critical patent/CN106770278B/en
Publication of CN106770278A publication Critical patent/CN106770278A/en
Application granted granted Critical
Publication of CN106770278B publication Critical patent/CN106770278B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64Fluorescence; Phosphorescence
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/62Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
    • G01N27/64Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Toxicology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

The invention belongs to oil and gas explorations and development technique field, it is related to a kind of method for determining sandstone reservoir middle ancient times Diagenesis fluids source, by the quartz secondary to micron level in sandstone reservoir in the detection of saline inclusion homogenization temperature and when to quartz secondary oxygen isotope in-situ micro area detection, determine the temperature and oxygen isotope of the ancient Diagenesis fluids of precipitating quartz cement during reservoir buries, and time and fluid origin that ancient Diagenesis fluids occur can be determined, solve the problems, such as that Gu Diagenesis fluids source relevant to quartz cement is determined in oil-gas bearing basin clastic reservoir rock.

Description

A method of determining sandstone reservoir middle ancient times Diagenesis fluids source
Technical field
The invention belongs to oil and gas explorations and development technique field, specifically, being related to one kind determines sandstone reservoir The method in middle ancient times Diagenesis fluids source.
Background technique
During oil-gas bearing basin burial diagenesis, mineral dissolution effect and cementation are to reservoir quality evolution tool in basin There is important control action.Quartz cement is one of cement common in rich arkose reservoir, precipitation process usually companion It is a kind of by-product of feldspar solution effect with the dissolution of the aluminium silicate minerals such as feldspar.The secondary pore that feldspar solution is formed It can be effectively improved reservoir quality, but hole cannot save ancient Diagenesis fluids information.Quartz cement with precipitating can have Effect ground saves the oxygen isotope information of fluid, this kind of isotope can be efficiently used for the identification of fluid origin, therefore, studies stone The forming process of English cement and related ancient Diagenesis fluids feature, also can effectively disclose dissolution feldspar-precipitating in sandstone reservoir The property of the ancient Diagenesis fluids of quartz and source.
However, the size of the quartz cement in sandstone reservoir usually only reaches micro-meter scale, as a kind of important stone The thickness of English cement, quartz secondary side is generally less than 80um, it has been carried out with other rock compositions or clastic quitz particle Fully separating purification is difficult, and separating-purifying complex steps, separating effect is undesirable, is often associated with that there are many miscellaneous after separation Matter, leads to that there has been no the methods for effectively identifying relative ancient Diagenesis fluids source.
Summary of the invention
The present invention can not effectively identify the above-mentioned deficiencies such as ancient Diagenesis fluids source for of the existing technology, provide one kind Determine the method in sandstone reservoir middle ancient times Diagenesis fluids source, can high-resolution, accurately identification contain oil-and-gas basin clast The source of Gu Diagenesis fluids relevant to quartz cement in rock stratum, has directive significance for the prediction of reservoir quality.
The technical scheme is that a kind of method for determining sandstone reservoir middle ancient times Diagenesis fluids source, contains following step It is rapid:
Take sandstone reservoir cores to grind with a thickness of 100um twin polishing petrographic thin section;
The quartz secondary side of petrographic thin section is found and identified using ordinary optical microscope and cathodoluminescence microscope, is utilized The saline inclusion and hydrocarbon inclusion in quartz secondary side are found and identified to fluorescence microscope;
Salt water in selected quartz secondary side is wrapped up using optical microscopy and cold and hot, microscope matched with its Body homogenization temperature is detected, the temperature of Gu Diagenesis fluids when obtaining quartz precipitating;
Using micro- region drilled through containing quartz secondary side in petrographic thin section, multiple test samples are obtained, by test sample It is embedded into transparent resin rubber column gel column jointly with standard quartz sample, is fabricated to rubber column gel column sample, rubber column gel column sample surfaces is polished Processing;
Observation photograph is carried out to the rubber column gel column sample after polishing treatment using ordinary optical microscope and cathodoluminescence microscope And picture mosaic, the preliminary position chosen on quartz secondary side for the detection of in-situ micro area oxygen isotope;
The quartz secondary border region to be analyzed is selected using secondary ion microprobe mass spectrometer, is selected using ion beam bombardment Quartz secondary border region carries out the test of standard quartz sample and quartz secondary side in-situ micro area oxygen isotope, obtains quartz and adds Big side oxygen isotope information;
By quartz secondary in saline inclusion homogenization temperature and situ oxygen Isotope Information when quartz secondary mutually tie and, throw It is obtained on quartz mineral oxygen isotope-fluid Oxygen Isotope Fractionation between Quartz figure in quartzy precipitation process under shadow to condition of different temperatures The oxygen isotope value that the ancient Diagenesis fluids of quartz cement must be precipitated judges the source of ancient Diagenesis fluids according to oxygen isotope value.
As preferred design, in the above-mentioned method for determining sandstone reservoir middle ancient times Diagenesis fluids source, the test sample is The wafer sample of diameter 3mm, the diameter of the transparent resin rubber column gel column are 2.5cm.
As preferred design, in the above-mentioned method for determining sandstone reservoir middle ancient times Diagenesis fluids source, according to mineral list polarisation, Orthogonal optical, reflected light and cathodoluminescence feature, it is preliminary to choose the position that situ oxygen isotope detection is used on quartz secondary side.
As preferred design, in the above-mentioned method for determining sandstone reservoir middle ancient times Diagenesis fluids source, the beam of the ion beam Spot diameter is 15um.
As preferred design, in the above-mentioned method for determining sandstone reservoir middle ancient times Diagenesis fluids source, the petrographic thin section At least grind one.
Compared with prior art, the beneficial effects of the present invention are:
(1) a kind of method for determining sandstone reservoir middle ancient times Diagenesis fluids source provided by the invention, by sandstone reservoir The quartz secondary of middle micron level in the detection of saline inclusion homogenization temperature and when to quartz secondary oxygen isotope high score Resolution, the detection of high-precision in-situ micro area effectively determine the Gu of precipitating quartz cement during reservoir buries into rock flow The temperature and oxygen isotope of body, and time and fluid origin that ancient Diagenesis fluids occur can be determined, solve oil-gas bearing basin Gu Diagenesis fluids source relevant to quartz cement determines problem in clastic reservoir rock.
(2) a kind of method for determining sandstone reservoir middle ancient times Diagenesis fluids source provided by the invention, principle is simple, practicability And strong operability, it has effectively achieved and really determines ancient Diagenesis fluids property by spontaneous diagenesis mineral spirits on reservoir micro-scale And source, there is highly important directive significance to the prediction of reservoir quality.
Detailed description of the invention
Fig. 1 is a kind of flow chart for the method for determining sandstone reservoir middle ancient times Diagenesis fluids source of the present invention.
Fig. 2 is that Bohai gulf basin Shengtuo region in Dongying depression 720 well depths that stick together are in the specific embodiment of the invention 1 At 3535.0m Quartz Crystals In Sandstone Reservoirs increase while and when quartz secondary in saline inclusion characteristic pattern.
Fig. 3 is that Bohai gulf basin Shengtuo region in Dongying depression 720 well depths that stick together are in the specific embodiment of the invention 1 Sandstone reservoir quartz secondary side saline inclusion homogenization temperature distribution histogram at 3535.0m.
Fig. 4 is that Bohai gulf basin Shengtuo region in Dongying depression 720 well depths that stick together are in the specific embodiment of the invention 1 Quartz particles and quartz secondary side Secondary Ion Mass Spectrometry microcell oxygen isotope test point characteristic pattern when reflected light at 3535.0m.
Fig. 5 is that Bohai gulf basin Shengtuo region in Dongying depression 720 well depths that stick together are in the specific embodiment of the invention 1 Lu Yuan quartz particles and spontaneous quartz secondary side Oxygen Isotope Distribution Characteristics figure in sandstone reservoir at 3535.0m.
Fig. 6 is quartz mineral oxygen isotope-in precipitation process quartzy under condition of different temperatures in the specific embodiment of the invention 1 Fluid Oxygen Isotope Fractionation between Quartz and victory stick together area stick together 720 well depths be 3535.0m locate Quartz Crystals In Sandstone Reservoirs increasing side in flow The O isotopes figure of body inclusion enclave homogenization temperature and the ancient Diagenesis fluids of quartz secondary side oxygen isotope data reflection.
Fig. 7 is that high 62 well depth in Nanpu Sag of Bohai Bay Basin Gaoliu area is 3676.0m in the specific embodiment of the invention 2 Locate Quartz Crystals In Sandstone Reservoirs increase while and when quartz secondary in saline inclusion characteristic pattern.
Fig. 8 is that high 62 well depth in Nanpu Sag of Bohai Bay Basin Gaoliu area is 3676.0m in the specific embodiment of the invention 2 Locate sandstone reservoir quartz secondary side saline inclusion homogenization temperature distribution histogram.
Fig. 9 is that high 62 well depth in Nanpu Sag of Bohai Bay Basin Gaoliu area is 3676.0m in the specific embodiment of the invention 2 Locate quartz particles and quartz secondary side Secondary Ion Mass Spectrometry microcell oxygen isotope test point characteristic pattern when reflected light.
Figure 10 is that high 62 well depth in Nanpu Sag of Bohai Bay Basin Gaoliu area is in the specific embodiment of the invention 2 Lu Yuan quartz particles and spontaneous quartz secondary side Oxygen Isotope Distribution Characteristics figure in sandstone reservoir at 3676.0m.
Figure 11 is the same position of quartz mineral oxygen in precipitation process quartzy under condition of different temperatures in the specific embodiment of the invention 2 High 62 well depth of element-fluid Oxygen Isotope Fractionation between Quartz and Gaoliu area is fluid in quartz secondary side in reservoir at 3676.0m The O isotopes figure of inclusion enclave homogenization temperature and the ancient Diagenesis fluids of quartz secondary side oxygen isotope data reflection.
In figure, Q, quartz particles, Qa, quartz secondary side.
Specific embodiment
In the following, the present invention is specifically described by illustrative embodiment.
The embodiment of the invention provides a kind of methods for determining sandstone reservoir middle ancient times Diagenesis fluids source, contain following step It is rapid:
Take sandstone reservoir cores to grind with a thickness of 100um twin polishing petrographic thin section;
The quartz secondary side of petrographic thin section is found and identified using ordinary optical microscope and cathodoluminescence microscope, is utilized The saline inclusion and hydrocarbon inclusion in quartz secondary side are found and identified to fluorescence microscope;
Salt water in selected quartz secondary side is wrapped up using optical microscopy and cold and hot, microscope matched with its Body homogenization temperature is detected, the temperature of Gu Diagenesis fluids when obtaining quartz precipitating;
Using micro- region drilled through containing quartz secondary side in petrographic thin section, multiple test samples are obtained, by test sample It is embedded into transparent resin rubber column gel column jointly with standard quartz sample, is fabricated to rubber column gel column sample, rubber column gel column sample surfaces is polished Processing;
Observation photograph is carried out to the rubber column gel column sample after polishing treatment using ordinary optical microscope and cathodoluminescence microscope And picture mosaic, the preliminary position chosen on quartz secondary side for the detection of in-situ micro area oxygen isotope;
The quartz secondary border region to be analyzed is selected using secondary ion microprobe mass spectrometer, is selected using ion beam bombardment Quartz secondary border region carries out the test of standard quartz sample and quartz secondary side in-situ micro area oxygen isotope, obtains quartz and adds Big side oxygen isotope information;
By quartz secondary in saline inclusion homogenization temperature and situ oxygen Isotope Information when quartz secondary mutually tie and, throw It is obtained on quartz mineral oxygen isotope-fluid Oxygen Isotope Fractionation between Quartz figure in quartzy precipitation process under shadow to condition of different temperatures The oxygen isotope value that the ancient Diagenesis fluids of quartz cement must be precipitated judges the source of ancient Diagenesis fluids according to oxygen isotope value.
Due to often developing " dirt line " between quartz particles and quartz secondary side, pass through the transmission optical mode of ordinary optical microscope Formula or reflected light pattern distinguish quartz particles and quartz secondary side using " dirt line ", under cathodoluminescence microscope, quartz Grain and quartz secondary side typically exhibit different colors, and quartz particles are pewter, and quartz secondary side is grey black or brown, benefit With cathodoluminescence microscope can effective district divide quartz particles and quartz secondary side.Therefore, ordinary optical microscope and yin are utilized Pole illuminating microscope effectively can find and identify the quartz secondary side of petrographic thin section.
Since under fluorescence microscope, black, hydro carbons packet is still presented under fluorescence irradiation in the reaction of saline inclusion unstressed configuration It wraps up in body and brown color, brown, light blue etc. is presented under fluorescence irradiation, therefore, effectively can find and reflect using fluorescence microscope It Chu not saline inclusion and hydrocarbon inclusion.
In an embodiment of the present invention, the test sample can use different size and shape, specifically can be according to reality Border requirement of experiment is chosen, and the diameter of the transparent resin rubber column gel column can be determined according to the quantity and size of test sample.? In one embodiment of the present invention, the test sample is the wafer sample of diameter 3mm, and the diameter of the transparent resin rubber column gel column is 2.5cm。
In a preferred embodiment, according to mineral list polarisation, orthogonal optical, reflected light and cathodoluminescence feature, just Step chooses the position that situ oxygen isotope detection is used on quartz secondary side.
In an embodiment of the present invention, the beam spot diameter, of the ion beam can be according to selected quartz secondary border region Size is selected.In a preferred embodiment, the beam spot diameter, of the ion beam is 15um.
In an embodiment of the present invention, the petrographic thin section at least grinds one, can grind one, two, three, four It opens, five, six, seven, eight.In a preferred embodiment, petrographic thin section grinds three or five.
In an embodiment of the present invention, the secondary ion microprobe mass spectrometer uses Camera IMS-1280 secondary ion Microprobe mass spectrometer.
Embodiment 1: 720 well depths are sticked together as 3535.0m sandstone with Eastern China Bohai gulf basin Shengtuo region in Dongying depression For reservoir, it is further detailed in conjunction with attached drawing.
A method of determining sandstone reservoir middle ancient times Diagenesis fluids source referring to Fig. 1 and contain following steps:
Step 1: win victory stick together area stick together 720 well depths be 3535.0m at rock core, grind with a thickness of 100um twin polishing Petrographic thin section three is opened.
Step 2: the quartz secondary of petrographic thin section is found and identified using ordinary optical microscope and cathodoluminescence microscope The saline inclusion and hydrocarbon inclusion in quartz secondary side are found using fluorescence microscope and identified in side.
Referring to fig. 2, given in Fig. 2 victory stick together regional Quartz Crystals In Sandstone Reservoirs increase while and when quartz secondary in salt water package Body characteristics.
Step 3: using optical microscopy and cold and hot, microscope matched with its to the salt in selected quartz secondary side Water inclusion enclave homogenization temperature is detected, the temperature of Gu Diagenesis fluids when obtaining quartz precipitating.The inspection of saline inclusion homogenization temperature Result is surveyed referring to Fig. 3, regional sandstone reservoir sticks together 720 well depths as salt in quartz secondary side at 3535.0m from the figure 3, it may be seen that victory sticks together Water inclusion enclave homogenization temperature is mostly in 105~125 DEG C.
Step 4: using micro- region drilled through containing quartz secondary side in petrographic thin section, the disk of 5 diameter 3mm is obtained 5 wafer samples and standard quartz sample are embedded into the transparent resin rubber column gel column of diameter 2.5cm by sample jointly, make plastic Column sample is processed by shot blasting rubber column gel column sample surfaces.The standard quartz sample is quartz particles.
Step 5: the rubber column gel column sample after polishing treatment is seen using ordinary optical microscope and cathodoluminescence microscope Photograph and picture mosaic are examined, it is preliminary to choose on quartz secondary side according to mineral list polarisation, orthogonal optical, reflected light and cathodoluminescence feature Position for situ oxygen isotope detection.
Step 6: the quartz secondary border area to be analyzed is selected using Camera I MS-1280 secondary ion microprobe mass spectrometer Domain carries out quartz particles and quartz secondary using the quartz secondary border region that the ion beam bombardment that beam spot diameter, is 15um is selected The test of side original position oxygen isotope obtains quartz secondary side oxygen isotope information.Quartz particles and quartz secondary side in-situ micro area Referring to fig. 4, the arrow in Fig. 4 indicates analysis site position to the feature of oxygen isotope test point.Oxygen isotope test result is referring to figure 5, as shown in Figure 5, wins the regional sandstone reservoir that sticks together and stick together 720 well depths as oxygen isotope range master in quartz secondary side at 3535.0m It will be between 20 ‰~24 ‰.
Step 7: by quartz secondary in saline inclusion homogenization temperature and situ oxygen Isotope Information phase when quartz secondary Knot and, project under condition of different temperatures quartz mineral oxygen isotope-fluid Oxygen Isotope Fractionation between Quartz in quartzy precipitation process On figure, referring to Fig. 6, the oxygen isotope value of the ancient Diagenesis fluids of precipitating quartz cement is obtained between+0 ‰~+4 ‰, according to oxygen Isotope value judges fluid in basin that the source of ancient Diagenesis fluids is transformed for diagenesis, unrelated with atmospheric water.
Embodiment 2: being sandstone at 3676.0m with high 62 well depth in Eastern China Nanpu Sag of Bohai Bay Basin Gaoliu area For reservoir, it is further detailed in conjunction with attached drawing.
A method of determining sandstone reservoir middle ancient times Diagenesis fluids source referring to Fig. 1 and contain following steps:
Step 1: taking high 62 well depth in Gaoliu area is rock core at 3676.0m, is ground with a thickness of 100um twin polishing Petrographic thin section five is opened.
Step 2: the quartz secondary of petrographic thin section is found and identified using ordinary optical microscope and cathodoluminescence microscope The development period and feature on quartz secondary side are specified in side, and the salt water in quartz secondary side is found and identified using fluorescence microscope Inclusion enclave and hydrocarbon inclusion.Referring to Fig. 7, Gaoliu area Quartz Crystals In Sandstone Reservoirs are given in Fig. 7 and increase side and quartz secondary Saline inclusion feature in side.
Step 3: using optical microscopy and cold and hot, microscope matched with its to the salt in selected quartz secondary side Water inclusion enclave homogenization temperature is detected, the temperature of Gu Diagenesis fluids when obtaining quartz precipitating.The inspection of saline inclusion homogenization temperature Result is surveyed referring to Fig. 8, as shown in Figure 8, sandstone reservoir high 62 well depth in Gaoliu area is salt water in quartz secondary side at 3676.0m Inclusion enclave homogenization temperature is mostly in 95~115 DEG C.
Step 4: using micro- region drilled through containing quartz secondary side in petrographic thin section, the disk of 2 diameter 3mm is obtained 2 wafer samples and standard quartz sample are embedded into the transparent resin rubber column gel column of diameter 2.5cm by sample jointly, make plastic Column sample is processed by shot blasting rubber column gel column sample surfaces.The standard quartz sample is quartz particles.
Step 5: the rubber column gel column sample after polishing treatment is seen using ordinary optical microscope and cathodoluminescence microscope Photograph and picture mosaic are examined, it is preliminary to choose on quartz secondary side according to mineral list polarisation, orthogonal optical, reflected light and cathodoluminescence feature Position for situ oxygen isotope detection.
Step 6: the quartz secondary border area to be analyzed is selected using Camera IMS-1280 secondary ion microprobe mass spectrometer Domain carries out quartz particles and quartz secondary using the quartz secondary border region that the ion beam bombardment that beam spot diameter, is 15um is selected The test of side original position oxygen isotope obtains quartz secondary side oxygen isotope information.Quartz particles and quartz secondary side in-situ micro area For the feature of oxygen isotope test point referring to Fig. 9, the arrow in Fig. 9 indicates analysis site position.Oxygen isotope test result is referring to figure 10, as shown in Figure 10, sandstone reservoir high 62 well depth in Gaoliu area is oxygen isotope range master in quartz secondary side at 3676.0m It will be between 16 ‰~20 ‰.
Step 7: by quartz secondary in saline inclusion homogenization temperature and situ oxygen Isotope Information phase when quartz secondary Knot and, project under condition of different temperatures quartz mineral oxygen isotope-fluid Oxygen Isotope Fractionation between Quartz in quartzy precipitation process On figure, referring to Figure 11, the oxygen isotope value of the ancient Diagenesis fluids of precipitating quartz cement is obtained between -6 ‰~-3 ‰, according to oxygen Isotope value judges the source of ancient Diagenesis fluids for the Diagenesis fluids being transformed strongly after metrical water penetrates into, the leaching of metrical water Considering the growth to feldspar solution and quartz secondary side has great influence.
Embodiment provided above only with illustrating the present invention for convenience, and it is not intended to limit the protection scope of the present invention, Technical solution scope of the present invention, person of ordinary skill in the field make various simple deformations and modification, should all include In the above claim.

Claims (4)

1. a kind of method for determining sandstone reservoir middle ancient times Diagenesis fluids source, which is characterized in that contain following steps:
Take sandstone reservoir cores to grind with a thickness of 100um twin polishing petrographic thin section;
The quartz secondary side of petrographic thin section is found and identified using ordinary optical microscope and cathodoluminescence microscope,
The saline inclusion and hydrocarbon inclusion in quartz secondary side are found and identified using fluorescence microscope;
It is equal to the saline inclusion in selected quartz secondary side using optical microscopy and cold and hot, microscope matched with its One temperature is detected, the temperature of Gu Diagenesis fluids when obtaining quartz precipitating;
Using micro- region drilled through containing quartz secondary side in petrographic thin section, multiple test samples are obtained, by test sample and mark Quasi- quartz specimen is embedded into jointly in transparent resin rubber column gel column, is fabricated to rubber column gel column sample, is processed by shot blasting to rubber column gel column sample surfaces;
Observation photograph and spelling are carried out to the rubber column gel column sample after polishing treatment using ordinary optical microscope and cathodoluminescence microscope Figure, the preliminary position chosen on quartz secondary side for the detection of in-situ micro area oxygen isotope;
The quartz secondary border region to be analyzed is selected using secondary ion microprobe mass spectrometer, the quartz selected using ion beam bombardment Border region is increased, the test of standard quartz sample and quartz secondary side in-situ micro area oxygen isotope is carried out, obtains quartz secondary side Oxygen isotope information;
By quartz secondary in saline inclusion homogenization temperature and situ oxygen Isotope Information combines when quartz secondary, project It is obtained on quartz mineral oxygen isotope-fluid Oxygen Isotope Fractionation between Quartz figure in quartzy precipitation process under to condition of different temperatures The oxygen isotope value for precipitating the ancient Diagenesis fluids of quartz cement judges the source of ancient Diagenesis fluids according to oxygen isotope value.
2. the method according to claim 1 for determining sandstone reservoir middle ancient times Diagenesis fluids source, it is characterised in that: the survey Test agent is the wafer sample of diameter 3mm, and the diameter of the transparent resin rubber column gel column is 2.5cm.
3. the method according to claim 1 or 2 for determining sandstone reservoir middle ancient times Diagenesis fluids source, which is characterized in that root It is preliminary to choose on quartz secondary side for oxygen isotope in situ according to mineral list polarisation, orthogonal optical, reflected light and cathodoluminescence feature The position of detection.
4. the method according to claim 3 for determining sandstone reservoir middle ancient times Diagenesis fluids source, which is characterized in that it is described from The beam spot diameter, of beamlet is 15um.
CN201610985115.XA 2016-10-24 2016-10-24 A method of determining sandstone reservoir middle ancient times Diagenesis fluids source Active CN106770278B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610985115.XA CN106770278B (en) 2016-10-24 2016-10-24 A method of determining sandstone reservoir middle ancient times Diagenesis fluids source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610985115.XA CN106770278B (en) 2016-10-24 2016-10-24 A method of determining sandstone reservoir middle ancient times Diagenesis fluids source

Publications (2)

Publication Number Publication Date
CN106770278A CN106770278A (en) 2017-05-31
CN106770278B true CN106770278B (en) 2019-01-29

Family

ID=58972960

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610985115.XA Active CN106770278B (en) 2016-10-24 2016-10-24 A method of determining sandstone reservoir middle ancient times Diagenesis fluids source

Country Status (1)

Country Link
CN (1) CN106770278B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107966443B (en) * 2017-12-25 2020-06-30 中国石油大学(华东) Method for researching salinity evolution history of formation paleofluid
CN108375497B (en) * 2018-01-23 2020-03-24 中国科学院地质与地球物理研究所 Preparation method of secondary ion probe sample target
CN109060928A (en) * 2018-07-18 2018-12-21 中国石油天然气股份有限公司 Quantitatively judge the method and apparatus of carbonate rock cement formation and hydrocarbon charge timing
CN111487274B (en) * 2020-04-28 2020-11-13 中国地质大学(北京) Quantitative calculation method for siliceous secondary enlarged edge based on cathodoluminescence technology
CN113916880B (en) * 2020-06-23 2023-12-26 中国石油天然气股份有限公司 Method for determining diagenetic fluid evolution history
CN112683984A (en) * 2020-12-14 2021-04-20 中国科学院地质与地球物理研究所 Comprehensive identification method for deep paleo-karst fluid
CN114354604B (en) * 2022-01-10 2023-09-08 西南石油大学 Identification method of ancient deep primary minerals

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104345353A (en) * 2014-10-11 2015-02-11 中国石油大学(华东) Method for evaluating reservoir forming control effect on natural gas by diagenetic environment of compact sandstone reservoir
CN105134185A (en) * 2015-08-12 2015-12-09 中国石油天然气股份有限公司 Identification method for reservoir fluid properties
CN105334536A (en) * 2015-12-01 2016-02-17 中国石油大学(华东) Effectiveness evaluation method for compact sandstone reservoir map cracking system
CN106324700A (en) * 2015-06-18 2017-01-11 核工业北京地质研究院 Sedimentary basin red strata sandstone type uranium mine metallogenic mode construction method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104345353A (en) * 2014-10-11 2015-02-11 中国石油大学(华东) Method for evaluating reservoir forming control effect on natural gas by diagenetic environment of compact sandstone reservoir
CN106324700A (en) * 2015-06-18 2017-01-11 核工业北京地质研究院 Sedimentary basin red strata sandstone type uranium mine metallogenic mode construction method
CN105134185A (en) * 2015-08-12 2015-12-09 中国石油天然气股份有限公司 Identification method for reservoir fluid properties
CN105334536A (en) * 2015-12-01 2016-02-17 中国石油大学(华东) Effectiveness evaluation method for compact sandstone reservoir map cracking system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
大庆长垣扶余油层砂岩中方解石胶结物的碳、氧同位素特征及其成因;宋土顺;《石油与天然气地质》;20150430;第36卷(第2期);第255-261页

Also Published As

Publication number Publication date
CN106770278A (en) 2017-05-31

Similar Documents

Publication Publication Date Title
CN106770278B (en) A method of determining sandstone reservoir middle ancient times Diagenesis fluids source
Su et al. Pore type and pore size distribution of tight reservoirs in the Permian Lucaogou Formation of the Jimsar Sag, Junggar Basin, NW China
Hackley et al. Application of organic petrography in North American shale petroleum systems: A review
Capitani et al. Nuclear magnetic resonance to characterize and monitor cultural heritage
Von Aulock et al. Advances in Fourier transform infrared spectroscopy of natural glasses: From sample preparation to data analysis
Shaar et al. Decadal‐scale variations in geomagnetic field intensity from ancient C ypriot slag mounds
Buchner et al. Upheaval Dome, Utah, USA: impact origin confirmed
De Kock et al. Laminar gypsum crust on lede stone: Microspatial characterization and laboratory acid weathering
Veneranda et al. In‐situ and laboratory Raman analysis in the field of cultural heritage: the case of a mural painting
Dou et al. Diagenesis of tight oil sand reservoirs: Upper Triassic tight sandstones of Yanchang Formation in Ordos Basin, China
Bednarik Rock metamorphosis by kinetic energy
Olóriz et al. Fossil assemblages, lithofacies, taphofacies and interpreting depositional dynamics in the epicontinental Oxfordian of the Prebetic Zone, Betic Cordillera, southern Spain
Su et al. Exact timing of granulite metamorphism in the Namche-Barwa, eastern Himalayan syntaxis: new constrains from SIMS U–Pb zircon age
Angelucci et al. New insights on the Monte Fenera Palaeolithic, Italy: Geoarchaeology of the Ciota Ciara cave
Doménech-Carbó et al. Application of Instrumental Methods in the Analysis of Historical, Artistic, and Archaeological Objects
Quinn et al. Ceramic micropalaeontology: the analysis of microfossils in ancient ceramics
Hounslow et al. Biomagnetostratigraphy of the Vikinghøgda Formation, Svalbard (Arctic Norway), and the geomagnetic polarity timescale for the Lower Triassic
Marey Mahmoud et al. Characterization of plasters from Ptolemaic baths: new excavations near the Karnak temple complex, Upper Egypt
Lee et al. Virtual palaeontology: the effects of mineral composition and texture of fossil shell and hosting rock on the quality of X-ray microtomography (XMT) outcomes using Palaeozoic brachiopods
Walderhaug et al. Stability of detrital heavy minerals on the Norwegian continental shelf as a function of depth and temperature
Gál et al. Composition, technology and provenance of Roman pottery from Napoca (Cluj-Napoca, Romania)
Carpenter Effect of low-concentration hydrochloric acid on properties of shale rocks
Ivarsson Advantages of doubly polished thin sections for the study of microfossils in volcanic rock
CN112696196B (en) Method for recovering fluid pressure of deep carbonate rock structure
Xiang et al. Further research on chlorite rims in sandstones: evidence from the Triassic Yanchang Formation in the Ordos basin, China

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant