CN112305637B - Reconstruction method of buried history of old sea carbonate rock - Google Patents
Reconstruction method of buried history of old sea carbonate rock Download PDFInfo
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- CN112305637B CN112305637B CN202010999484.0A CN202010999484A CN112305637B CN 112305637 B CN112305637 B CN 112305637B CN 202010999484 A CN202010999484 A CN 202010999484A CN 112305637 B CN112305637 B CN 112305637B
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- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 title claims abstract description 94
- 239000011435 rock Substances 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000004568 cement Substances 0.000 claims abstract description 94
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 33
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 238000011161 development Methods 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 238000012360 testing method Methods 0.000 claims abstract description 7
- 238000009933 burial Methods 0.000 claims description 43
- 239000000843 powder Substances 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 10
- 238000011065 in-situ storage Methods 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 4
- 238000004132 cross linking Methods 0.000 claims description 3
- 238000004861 thermometry Methods 0.000 claims 1
- 229910000514 dolomite Inorganic materials 0.000 description 12
- 239000010459 dolomite Substances 0.000 description 12
- 239000004215 Carbon black (E152) Substances 0.000 description 11
- 229930195733 hydrocarbon Natural products 0.000 description 11
- 150000002430 hydrocarbons Chemical class 0.000 description 11
- 238000003860 storage Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000011148 porous material Substances 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910021532 Calcite Inorganic materials 0.000 description 3
- 229910001748 carbonate mineral Inorganic materials 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 241000893012 Tamarix Species 0.000 description 2
- 235000010185 Tamarix canariensis Nutrition 0.000 description 2
- 235000014265 Tamarix gallica Nutrition 0.000 description 2
- 235000010154 Tamarix ramosissima Nutrition 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
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- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Geophysics And Detection Of Objects (AREA)
Abstract
The invention provides a reconstruction method of buried history of ancient sea carbonate rock. The method comprises the following steps: a rock sample for acquiring annual temperature measurements in a work area, the rock sample being characterized by: the rock sample hole development and hole filling carbonate cement and carbonate cement in the rock sample are mutually intersected; determining the period of carbonate cement in a rock sample, and performing isotope measurement on the carbonate cement of each period to obtain the absolute age of the carbonate cement of each period; performing cluster isotope testing on the carbonate cement of each period to obtain the formation temperature of the carbonate cement of each period; acquiring a buried history curve of a work area; and correcting the buried history curve of the work area by using the absolute age and the formation temperature of the subcarbonate cementing agent in each period to obtain the corrected buried history curve of the work area, thereby completing the reconstruction of the buried history of the ancient sea-phase carbonate rock.
Description
Technical Field
The invention belongs to the technical field of carbonate rock oil gas exploration and evaluation methods in petroleum and natural gas geological exploration, and particularly relates to a reconstruction method of an ancient sea-phase carbonate rock buried history.
Background
The basin exploration objective layer is a geological background which is very important in research of reservoir diagenetic-pore evolution history, hydrocarbon source rock hydrocarbon generation and drainage history and oil and gas formation and storage history, and the difference of the knowledge of the paleo-geothermal history and the buried history can lead to the difference of the knowledge of the reservoir diagenetic-pore evolution history, the hydrocarbon source rock hydrocarbon generation and drainage history and the knowledge of the formation and storage history, so that the establishment of a reliable buried history model is very important in the objective knowledge of the oil and gas formation and storage history. The former recovery of the buried history of the basin is mainly based on regional structure background, stratum contact relation, structure evolution, stratum thickness, denudation thickness, ancient geothermal gradient and other parameters, but the established buried history curve has great uncertainty due to different geological awareness. Such as the thickness of the ground layer and the recovery of the ancient geothermal gradient, and the structural development history, different students can have different knowledge, especially the ancient Chinese sea carbonate rock which is positioned on the underground structural layer of the laminated basin and undergoes complex structural movement, which directly restricts the establishment of a reliable basin buried history model.
Disclosure of Invention
The invention aims to provide a method capable of establishing a reliable buried history curve, which solves the problem that the buried history curve established by the former based on regional geological knowledge has uncertainty.
In order to achieve the above object, the present invention provides a reconstruction method of an ancient sea-phase carbonate rock buried history, wherein the method comprises:
The method comprises the steps of obtaining a rock sample for annual temperature measurement of a work area, wherein the rock sample for annual temperature measurement of the work area is characterized by comprising the following steps: the rock sample hole development and hole filling carbonate cement and carbonate cement in the rock sample are mutually intersected;
Determining the period of carbonate cement in a rock sample, and performing isotope measurement on the carbonate cement of each period to obtain the absolute age of the carbonate cement of each period; performing a cluster isotope (e.g., Δ47 temperature) test on each stage of carbonate cement to obtain a formation temperature of each stage of carbonate cement;
Acquiring a buried history curve of a work area;
And correcting the buried history curve of the work area by using the absolute age of the subcarbonate cementing agent in each period and the formation temperature of the subcarbonate cementing agent in each period to obtain the buried history curve after work area correction, thereby completing the reconstruction of the buried history and/or the ancient ground temperature history of the ancient sea carbonate rock.
In the reconstruction method of the buried history of the ancient sea-phase carbonate rock, the rock sample with the characteristics of hole development, filling carbonate cement in the hole and intercommunicating carbonate cement in the rock sample is easy to establish complete and reliable diagenetic sequence and is suitable for measuring years and temperatures; preferably, the carbonate cement bond characteristics and inter-cutting relationships of the representative rock sample of the work area are distinct.
In the above-mentioned reconstruction method of the buried history of the old sea-phase carbonate rock, it is preferable that the determination of the period of the carbonate cement intersecting each other in the rock sample is performed using a sample sheet a made of a rock sample for annual temperature measurement in a work area. More preferably, the thickness of the sample sheet A is 30.+ -. 5. Mu.m.
In the above-described reconstruction method of the buried history of the old sea-phase carbonate rock, it is preferable that the isotope measurement is performed using a sample sheet B made of a rock sample for measuring the temperature of the work area. More preferably, the thickness of the sample sheet B is 80 to 100 μm.
In the above-described method for reconstructing a buried history of an ancient sea-phase carbonate rock, it is preferable that the cluster isotope test is performed using a powder sample of each phase of subcarbonate cement.
In one embodiment, the method for reconstructing the historic sea carbonate rock buried history comprises the following steps:
The method comprises the steps of obtaining a rock sample for annual temperature measurement of a work area, wherein the rock sample for annual temperature measurement of the work area is characterized by comprising the following steps: the rock sample hole development and hole filling carbonate cement and carbonate cement in the rock sample are mutually intersected;
Preparing at least 2 parallel samples corresponding to each year-to-year temperature measurement rock sample of the obtained work area, preparing a sample sheet A and a sample sheet B of the year-to-year temperature measurement rock sample by using the parallel samples, and reserving the residual parts of the parallel samples;
observing the carbonate cement of the sample slice A to determine the period of the carbonate cement in the rock sample;
In the corresponding sample slice B, delineating carbonate cement of each period corresponding to carbonate cement of each period in the sample slice A, and carrying out isotope measurement to obtain absolute age of carbonate cement of each period;
in the corresponding parallel sample residual part, obtaining powder samples of carbonate cements of each period corresponding to carbonate cement of each period in the sample sheet A, and performing cluster isotope testing to obtain the formation temperature of carbonate cement of each period;
Acquiring a buried history curve of a work area;
Correcting the buried history curve of the work area by using the absolute age of each period of subcarbonate cementing agent and the formation temperature of each period of subcarbonate cementing agent to obtain the corrected buried history curve of the work area, thereby completing the reconstruction of the buried history of the old sea-phase carbonate rock;
Preferably, the thickness of the sample sheet A is 30+ -5 μm; in a specific embodiment, the thickness of the sample sheet A is 25-35 μm, e.g. 25 μm, 26 μm, 27 μm, 28 μm, 29 μm, 30 μm, 31 μm, 32 μm, 33 μm, 34 μm, 35 μm;
Preferably, the diameter of the sample sheet A is 1.5-2.5cm;
preferably, the thickness of the sample sheet B is 80-100 μm;
preferably, the diameter of the sample sheet B is 1.5-2.5cm;
Preferably, the preparation of at least 2 parallel samples corresponding to each year-old temperature measurement rock sample is performed by the following method: cutting a rock sample for measuring temperature in each year into cylinders with the diameter of 1.5-2.5cm and the thickness of 0.8cm, and making 2 parallel samples along two sides of a section;
Preferably, the mirror image similarity of the sample sheet a and the sample sheet B is not less than 90%; the consistency of the carbonate cement period for year and for temperature measurement, the one-to-one correspondence of age data and temperature data is ensured.
In the above method for reconstructing a buried history of an ancient sea-phase carbonate rock, preferably, the period of the carbonate cement in the definite rock sample includes:
establishing a complete and reliable diagenetic sequence according to the inter-cutting relationship of carbonate cements, thereby determining the period of the carbonate cement with the inter-cutting relationship;
carbonate cement without cross-linking relationship as a single installment.
In the above reconstruction method of the buried history of the old sea-phase carbonate rock, preferably, the isotope dating is performed using a laser in-situ U-Pb isotope dating method.
In the above method for reconstructing a buried history of an ancient sea-phase carbonate rock, it is preferable that the mass of the powder sample is not less than 10mg.
In the above-described reconstruction method of the buried history of the ancient sea-phase carbonate rock, the powder sample may be obtained using a micro-drill.
In the above-mentioned reconstruction method of the buried history of the ancient sea-phase carbonate rock, the buried history curve of the work area is obtained according to the conventional technical means in the field, for example, the buried history curve of the work area is established according to the geological background of the area, the well drilling and the seismic data.
In the above method for reconstructing a buried history of an ancient sea-phase carbonate rock, preferably, the correcting the work area buried history curve using the absolute age of each stage of the subcarbonate cement and the formation temperature of each stage of the subcarbonate cement includes:
The absolute age point of each period of subcarbonate cementing agent is added to a burial history curve to obtain the first burial depth of each period of subcarbonate cementing agent, and the formation temperature of each period of subcarbonate cementing agent is calculated to obtain the second burial depth of each period of subcarbonate cementing agent according to the ground temperature gradient;
If the first and second depths of burial of each stage of subcarbonate cement are inconsistent, the burial history curve is unreliable, and the burial history curve is modified so that the depth of burial of each stage of subcarbonate cement is at the second depth of burial, and the corrected curve of absolute age and formation temperature of each stage of subcarbonate cement is used as the corrected burial history curve of the work area;
If the first and second depths of burial of each stage of subcarbonate cement are consistent, the absolute age of each stage of subcarbonate cement and the formation temperature of each stage of subcarbonate cement are considered to form a mutual evidence relationship, the burial history curve is reliable, and the burial history curve is used as a work area corrected burial curve model.
In the specific historic ground temperature history and the background of the buried history, the absolute age and the formation temperature of the carbonate cement should have good correspondence with the depth of the buried, if the buried history curve is reliable, the depth inverted according to the absolute age and the depth inverted according to the formation temperature should be consistent, otherwise, the buried history curve can be continuously corrected through mutual evidence of the absolute age and the formation temperature, and finally, a reliable buried history curve is established.
The development of carbonate mineral isotope annual measurement technology and cluster isotope (delta 47) temperature measurement technology provides possibility for the establishment of reliable basin buried history curves in the technical scheme provided by the invention. The technical scheme provided by the invention establishes a reliable buried history curve through the application of isotope annual measurement technology and cluster isotope (delta 47) temperature measurement technology, the problem of uncertainty of the buried history curve established based on regional geological recognition by the former is solved, a reliable geological background is provided for research on reservoir diagenetic-pore evolution history, hydrocarbon source rock hydrocarbon generation and discharge history and oil and gas formation and storage history, and pore research and judgment before oil and gas migration, reservoir effectiveness evaluation, oil and gas formation and storage period times and formation and storage effectiveness evaluation are realized.
Drawings
FIG. 1 is a flow chart of a method for reconstructing a buried history of an ancient sea-phase carbonate rock according to example 1 of the present invention.
FIG. 2A is a graph of the characteristics and diagenetic sequence of Tamarix jordan Legend group dolomite reservoir sample Q-56-1 of example 1 of the present invention.
FIG. 2B is a graph of the characteristics and diagenetic sequence of Tamarix jordan Legend group dolomite reservoir sample Q-56-1 of example 1 of the present invention.
FIG. 3A is a diagram of the North-northwest jordan system of example 1 of the present invention characteristics and diagenetic sequence patterns of group dolomite reservoir sample Q-58-1-1.
FIG. 3B is a diagram of the North-northwest jordan system of example 1 of the present invention characteristics and diagenetic sequence patterns of group dolomite reservoir sample Q-58-1-1.
FIG. 4 is a diagram of the North-northwest jordan system of example 1 of the present invention characteristics and diagenetic sequence patterns of group dolomite reservoir sample Q-58-1-2.
Fig. 5A is a graph of the characteristics and diagenetic sequence of a north-west jordate series dolomite reservoir sample Q-76-1 of example 1 of the present invention.
Fig. 5B is a characteristic and diagenetic sequence diagram of a north-west jordan series dolomite reservoir sample Q-76-1 of example 1 of the present invention.
Fig. 6A is a graph of the characteristics and diagenetic sequence of a north-west jordate series dolomite reservoir sample Q-151-1 of example 1 of the present invention.
Fig. 6B is a graph of the characteristics and diagenetic sequence of a north-west jordate series dolomite reservoir sample Q-151-1 of example 1 of the present invention.
FIG. 7 is a graph of the burial history of the North-tower jordan series obtained by the reconstruction of example 1 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
Example 1
The embodiment provides a reconstruction method of buried history of ancient sea carbonate rock, which reconstructs a reliable buried history curve of the Qigera group development of the He Ji-Ge-Bake group in the northwest of the tower, provides a reliable geological background for the research of the formation-pore evolution history, hydrocarbon source rock hydrocarbon generation and discharge history and hydrocarbon formation and storage history of the ancient sea carbonate rock, and realizes pore research and judgment before hydrocarbon migration, reservoir effectiveness evaluation, hydrocarbon formation and storage period and formation effectiveness evaluation, and specifically comprises the following steps as shown in figure 1:
Step S1: the method comprises the steps of obtaining a rock sample for annual temperature measurement of a work area, wherein the rock sample for annual temperature measurement of the work area is characterized by comprising the following steps: the rock sample hole development and hole filling carbonate cement and carbonate cement in the rock sample are mutually intersected;
The rock sample with the characteristics of hole development and the mutual cutting of carbonate cement and carbonate cement in the rock sample is easy to establish complete and reliable diagenetic sequence and is suitable for measuring years and temperatures.
Step S2: 2 parallel samples, namely a parallel sample A and a parallel sample B, corresponding to the rock sample for measuring the temperature of each measuring year are respectively prepared aiming at the rock sample for measuring the temperature of each measuring year of the obtained working area;
specifically, the rock sample for measuring temperature in each year is cut into cylinders with the diameter of 1.5-2.5cm and the thickness of 0.8cm, 2 parallel samples are made along two sides of the section, one is parallel sample A, and the other is parallel sample B.
Step S3: preparing a sample sheet A of the rock sample for measuring the temperature of each year from a parallel sample A corresponding to the rock sample for measuring the temperature of each year in a working area, preparing a sample sheet B of the rock sample for measuring the temperature of each year from a parallel sample B corresponding to the rock sample for measuring the temperature of each year, and reserving the residual part of the parallel sample; wherein the thickness of the sample sheet A is 30 μm, and the thickness of the sample sheet B is 100 μm.
Step S4: carrying out mirror image relationship consistency screening on a sample slice A and a sample slice B of a rock sample for measuring temperature in each measuring year;
Specifically, a microscope is used for respectively carrying out mirror image relation observation on a sample slice A and a sample slice B of the rock sample for measuring temperature in each year, if the similarity of the mirror image relation of the sample slice A and the sample slice B of a certain sample is not lower than 90%, the sample slice A and the sample slice B are reserved, otherwise, the sample is rejected;
Mirror image correspondence studies of sheet a and sheet B ensure consistency of carbonate cement installments for year and for temperature measurement, one-to-one correspondence of age data and temperature data.
Step S5: observing the carbonate cement of the sample slice A to determine the period of the carbonate cement in the rock sample;
Specifically, the sample sheet A is subjected to carbonate cement observation, and the type, the characteristics, the period and the like of the carbonate cement are mainly observed; establishing a complete and reliable diagenetic sequence according to the inter-cutting relationship of carbonate cements, thereby determining the period of the carbonate cement with the inter-cutting relationship; carbonate cements that do not cross each other as a single installment;
The structure components of Qigebuke group dolomite in the North China of tower are as follows from early to late in sequence: ① Surrounding rock- ② fiber-shaped annular dolomite- ③ blade-shaped dolomite- ④ fine powder granular dolomite- ⑤ coarse grain granular dolomite- ⑥ hydrothermal dolomite and quartz (shown in fig. 2A-6B), and carbonate cements with which two-stage calcite structural components and other structural components have no cross-linking relationship as a single stage, namely calcite ⑦ filled in cracks and calcite ⑧ filled in holes.
Step S6: in the corresponding sample slice B, delineating carbonate cement of each period corresponding to carbonate cement of each period in the sample slice A, and carrying out laser in-situ U-Pb isotope annual survey to obtain absolute age of carbonate cement of each period; the results are shown in Table 1;
the laser in-situ U-Pb isotope annual measurement is carried out according to the specification and the requirements of the carbonate mineral laser in-situ U-Pb isotope annual measurement technology.
TABLE 1 North-West-Shake Qigera group dolomite different structural component cluster isotope (. DELTA.47) temperatures
Step S7: in the corresponding parallel sample residues, powder samples (the mass of each powder sample is 10 mg) of carbonate cement of each period corresponding to the carbonate cement of each period in the sample sheet A are drilled by micro-drilling, and a cluster isotope (delta 47 temperature) test is carried out to obtain the formation temperature of the carbonate cement of each period; the results are shown in Table 1;
if the parallel sample residual part corresponding to one rock sample cannot drill enough powder sample, the synchronous powder sample can be drilled through the parallel sample residual parts corresponding to a plurality of rock samples, so that the problem of insufficient powder sample quantity is solved;
The cluster isotope (delta 47 temperature) test is carried out according to the specification and the requirement of the carbonate mineral cluster isotope (delta 47) temperature measurement technology.
Step S8: acquiring a buried history curve of a work area; correcting the buried history curve of the work area by using the absolute age of each stage of subcarbonate cementing agent and the formation temperature of each stage of subcarbonate cementing agent to obtain buried Shi Quxian (shown as a B curve in fig. 7) after work area correction, thereby completing reconstruction of the buried history of the old sea-phase carbonate rock;
Specifically:
8.1, preliminarily establishing a buried history curve of a work area according to regional geological background, drilling and seismic data (shown as a curve A in FIG. 7);
8.2, the absolute age of each stage of subcarbonate cementing agent is added to a burial history curve to obtain the first burial depth of each stage of subcarbonate cementing agent, and the formation temperature of each stage of subcarbonate cementing agent is calculated according to the ground temperature gradient to obtain the second burial depth of each stage of subcarbonate cementing agent;
If the first and second depths of burial of each stage of subcarbonate cement are inconsistent, the burial history curve is unreliable, and the burial history curve is modified so that the depth of burial of each stage of subcarbonate cement is at the second depth of burial, and the corrected curve of absolute age and formation temperature of each stage of subcarbonate cement is used as the corrected burial history curve of the work area;
If the first and second depths of burial of each stage of subcarbonate cement are consistent, the absolute age of each stage of subcarbonate cement and the formation temperature of each stage of subcarbonate cement are considered to form a mutual evidence relationship, the burial history curve is reliable, and the burial history curve is used as a work area corrected burial curve model.
The temperature gradient of the early-ocean Tao Shi is 3.2-3.5 ℃/100m, the temperature gradient of the volunteer-clay-pot-phase is 3.0 ℃/100m, the temperature gradient of the carbolic-di-phase-earth is 3.0-3.2 ℃/100m, the temperature gradient of the tri-phase-chalk-phase-end-earth is 2.5 ℃/100m, and the temperature gradient of the new generation earth is 2.0 ℃/100m. The north western jordate series burial Shi Quxian (shown as the B curve in fig. 7) was established by correction of the absolute age of the U-Pb isotope and the cluster isotope (Δ47) temperature.
Claims (7)
1. A method for reconstructing a buried history of an ancient sea-phase carbonate rock, wherein the method comprises:
The method comprises the steps of obtaining a rock sample for annual temperature measurement of a work area, wherein the rock sample for annual temperature measurement of the work area is characterized by comprising the following steps: the rock sample hole development and hole filling carbonate cement and carbonate cement in the rock sample are mutually intersected;
Preparing at least 2 parallel samples corresponding to each year-to-year temperature measurement rock sample of the obtained work area, preparing a sample sheet A and a sample sheet B of the year-to-year temperature measurement rock sample by using the parallel samples, and reserving the residual parts of the parallel samples; the thickness of the sample sheet A is 30+/-5 mu m, the thickness of the sample sheet B is 80-100 mu m, and the mirror image similarity of the sample sheet A and the sample sheet B is not less than 90%;
observing the carbonate cement of the sample slice A to determine the period of the carbonate cement in the rock sample;
In the corresponding sample slice B, delineating carbonate cement of each period corresponding to carbonate cement of each period in the sample slice A, and carrying out isotope measurement to obtain absolute age of carbonate cement of each period;
In the corresponding parallel sample residual part, obtaining powder samples of carbonate cements of each period corresponding to carbonate cement of each period in the sample sheet A, and performing cluster isotope testing to obtain the formation temperature of carbonate cement of each period; wherein the mass of the powder sample is not less than 10mg;
Acquiring a buried history curve of a work area;
Correcting the buried history curve of the work area by using the absolute age of each period of subcarbonate cementing agent and the formation temperature of each period of subcarbonate cementing agent to obtain the corrected buried history curve of the work area, thereby completing the reconstruction of the buried history of the old sea-phase carbonate rock;
Wherein correcting the work area burial history curve using the absolute age of each stage subcarbonate cement and the formation temperature of each stage subcarbonate cement comprises:
Adding the absolute age of each stage of subcarbonate cement to the existing burial history curve to obtain the first burial depth of each stage of subcarbonate cement, and calculating the second burial depth of each stage of subcarbonate cement according to the ground temperature gradient by using the formation temperature of each stage of subcarbonate cement;
If the first and second depths of burial of each stage of subcarbonate cement are inconsistent, the burial history curve is unreliable, and the burial history curve is modified so that the depth of burial of each stage of subcarbonate cement is at the second depth of burial, and the corrected curve of absolute age and formation temperature of each stage of subcarbonate cement is used as the corrected burial history curve of the work area;
If the first and second depths of burial of each stage of subcarbonate cement are consistent, the absolute age of each stage of subcarbonate cement and the formation temperature of each stage of subcarbonate cement are considered to form a mutual evidence relationship, the burial history curve is reliable, and the burial history curve is used as a work area corrected burial curve model.
2. The method of claim 1, wherein the sample sheet a has a diameter of 1.5-2.5cm.
3. The method of claim 1, wherein the sample sheet B has a diameter of 1.5-2.5cm.
4. The method of claim 1, wherein the preparing of the at least 2 parallel samples corresponding to each year thermometry rock sample is performed by: cutting rock samples for measuring temperature in each year into cylinders with diameters of 1.5-2.5cm and thicknesses of 0.8cm, and making 2 parallel samples along two sides of a section.
5. The method of any one of claims 1-4, wherein the defining the installment of carbonate cement in a rock sample comprises:
establishing a complete and reliable diagenetic sequence according to the inter-cutting relationship of carbonate cements, thereby determining the period of the carbonate cement with the inter-cutting relationship;
carbonate cement without cross-linking relationship as a single installment.
6. The method of any one of claims 1-4, wherein the isotope dating is performed using a laser in situ U-Pb isotope dating.
7. The method of any one of claims 1-4, wherein the acquiring a work area burial history curve is performed as follows:
and establishing a buried history curve of the work area according to the regional geological background, the well drilling and the seismic data.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106257310A (en) * | 2015-06-18 | 2016-12-28 | 核工业北京地质研究院 | Sedimentary basin oil gas strong reducing action district Prospecting Sandstone-type Uranium Deposits method for establishing model |
| CN108227035A (en) * | 2017-12-25 | 2018-06-29 | 中国石油化工股份有限公司 | A kind of accurate method for judging the reservoir forming stage for oil and gas reservoirs time time |
| CN110632666A (en) * | 2019-09-04 | 2019-12-31 | 中国石油天然气股份有限公司 | Method and device for predicting distribution of corrosion holes of carbonate rock |
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| US10309217B2 (en) * | 2011-11-11 | 2019-06-04 | Exxonmobil Upstream Research Company | Method and system for reservoir surveillance utilizing a clumped isotope and/or noble gas data |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106257310A (en) * | 2015-06-18 | 2016-12-28 | 核工业北京地质研究院 | Sedimentary basin oil gas strong reducing action district Prospecting Sandstone-type Uranium Deposits method for establishing model |
| CN108227035A (en) * | 2017-12-25 | 2018-06-29 | 中国石油化工股份有限公司 | A kind of accurate method for judging the reservoir forming stage for oil and gas reservoirs time time |
| CN110632666A (en) * | 2019-09-04 | 2019-12-31 | 中国石油天然气股份有限公司 | Method and device for predicting distribution of corrosion holes of carbonate rock |
Non-Patent Citations (1)
| Title |
|---|
| Deciphering the diagenetic history of the El Abra Formation of eastern Mexico using reordered clumped isotope temperatures and U-Pb dating;Michael Lawson et al;GSA Bulletin;第130卷(第3-4期);摘要、第620-628页 * |
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