CN113552161B - Shale reservoir oil content determination method, device, equipment and storage medium - Google Patents
Shale reservoir oil content determination method, device, equipment and storage medium Download PDFInfo
- Publication number
- CN113552161B CN113552161B CN202110774017.2A CN202110774017A CN113552161B CN 113552161 B CN113552161 B CN 113552161B CN 202110774017 A CN202110774017 A CN 202110774017A CN 113552161 B CN113552161 B CN 113552161B
- Authority
- CN
- China
- Prior art keywords
- oil content
- hydrocarbon
- target reservoir
- determining
- oil
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 79
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 214
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 214
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 207
- 238000012360 testing method Methods 0.000 claims abstract description 85
- 238000000197 pyrolysis Methods 0.000 claims abstract description 75
- 239000011435 rock Substances 0.000 claims abstract description 41
- 238000002474 experimental method Methods 0.000 claims abstract description 18
- 239000003921 oil Substances 0.000 claims description 284
- 239000010779 crude oil Substances 0.000 claims description 69
- 239000007789 gas Substances 0.000 claims description 40
- 230000008569 process Effects 0.000 claims description 34
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 28
- 239000003345 natural gas Substances 0.000 claims description 14
- 238000004590 computer program Methods 0.000 claims description 8
- 238000005553 drilling Methods 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000001143 conditioned effect Effects 0.000 claims description 3
- 238000007872 degassing Methods 0.000 claims description 3
- 238000011161 development Methods 0.000 description 14
- 238000004321 preservation Methods 0.000 description 14
- 206010024796 Logorrhoea Diseases 0.000 description 10
- 238000004458 analytical method Methods 0.000 description 10
- 239000003079 shale oil Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000007710 freezing Methods 0.000 description 4
- 230000008014 freezing Effects 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000000638 solvent extraction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005138 cryopreservation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
- G01N24/08—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
- G01N24/081—Making measurements of geologic samples, e.g. measurements of moisture, pH, porosity, permeability, tortuosity or viscosity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
- G01N24/08—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
- G01N24/082—Measurement of solid, liquid or gas content
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/40—Controlling or monitoring, e.g. of flood or hurricane; Forecasting, e.g. risk assessment or mapping
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The application provides a shale reservoir oil content determining method, device, equipment and storage medium, wherein the method obtains experimental test oil content of a target reservoir, and the experimental test oil content is obtained by performing conventional rock pyrolysis experiments on experimental samples of the target reservoir; determining the light hydrocarbon loss of a target reservoir; determining the oil content of a target reservoir according to the experimental test oil content and the light hydrocarbon loss; according to the oil content of the target reservoir, the oil gas resource exploitation condition of the target reservoir is judged, whether the target reservoir is suitable for oil gas resource exploitation can be accurately judged, and the oil gas resource exploitation accuracy and exploitation efficiency are improved.
Description
Technical Field
The invention relates to the technical field of petroleum exploration, in particular to a method, a device, equipment and a storage medium for determining oil content of a shale reservoir.
Background
Along with the continuous decline of conventional oil and gas yield, the exploration concept is gradually changed and innovated, unconventional oil and gas resources become a great direction of research, the rapid development of shale reservoir exploration and development is also the petroleum resources in shale reservoirs, along with the transition of meaning of shale oil in recent years, the deep depth of enrichment theory and the progress of exploration and development technology, shale oil becomes the leading edge of petroleum exploration and the hot spot area of increasing storage of various oil fields, and shale reservoir evaluation is an important research content and basis of shale reservoir exploration and development.
At present, test analysis can be carried out on a region to be detected, data such as porosity, oil saturation and the like are obtained through testing in a nuclear magnetic resonance experiment, a pyrolysis experiment and the like, the oil content is determined through the data, or the oil content of a reservoir is estimated through a large amount of accumulated geochemical data.
However, in the oil content determination mode in the prior art, the accurate oil content of the shale reservoir is difficult to obtain, and the oil gas resource exploitation condition cannot be accurately judged according to the oil content.
Disclosure of Invention
The application provides a shale reservoir oil content determining method, device, equipment and storage medium, so that the technical problems that an accurate shale reservoir oil content is difficult to obtain and accurate judgment can not be carried out on oil gas resource exploitation conditions according to the oil content in an oil content determining mode in the prior art are solved.
In a first aspect, the present application provides a method for determining oil content in a shale reservoir, comprising:
obtaining experimental test oil content of a target reservoir, wherein the experimental test oil content is obtained by performing conventional rock pyrolysis experiments on experimental samples of the target reservoir;
determining the light hydrocarbon loss of the target reservoir;
determining the oil content of the target reservoir according to the experimental test oil content and the light hydrocarbon loss;
And judging the exploitation condition of the oil gas resources of the target reservoir according to the oil content of the target reservoir.
In the embodiment of the application, the oil content of the shale reservoir is divided into the total loss of the light hydrocarbon components of the shale reservoir and the experimental test oil content, when the oil content of the target reservoir is determined, the experimental test oil content obtained by carrying out conventional rock pyrolysis experiments on the experimental sample of the target reservoir is firstly obtained, then the light hydrocarbon loss of the target reservoir is determined, and the oil content of the target shale reservoir is determined according to the experimental test oil content and the light hydrocarbon loss.
Optionally, the determining the light hydrocarbon loss amount of the target reservoir includes:
determining a first, a second, and a third hydrocarbon of the target reservoir, wherein the first hydrocarbon is during drilling and sample acquisition
Losing hydrocarbon, wherein the second lost hydrocarbon is the sample entering the core warehouse for preservation process +.>
Losing hydrocarbon, wherein the third losing hydrocarbon is +.>
Losing hydrocarbon;
and determining the light hydrocarbon loss of the target reservoir according to the first, second and third scattered hydrocarbons of the target reservoir.
Here, embodiments of the present application may first determine that a target reservoir is in the process of drilling and sample acquisition
Hydrocarbon loss and sample entering core warehouse preserving process>
Hydrocarbon loss and +.during sample pretreatment>
The hydrocarbon loss accurately and comprehensively calculates the loss of the light hydrocarbon component of the shale reservoir in the experimental and testing processes, and the loss of the light hydrocarbon of the target reservoir in the oil content determination process can be comprehensively and accurately determined through the calculation of the loss hydrocarbon in the three stages, so that the accuracy of the oil content determination of the shale reservoir is further improved.
Optionally, determining a second lost hydrocarbon of the target reservoir comprises:
Obtaining the rock pyrolysis oil content of a test sample of the target reservoir, wherein the rock pyrolysis oil content is the rock pyrolysis oil content determined before warehousing of the test sample;
and determining a second lost hydrocarbon based on the rock pyrolysis oil content and the experimental test oil content.
The embodiment of the application can obtain the oil content in the preservation process through rock pyrolysis oil content and experimental test oil content before the core sample is put in storage
The loss of hydrocarbon can accurately determine the loss of light hydrocarbon in the preservation process, and further improves the accuracy of determining the oil content of the shale reservoir.
Optionally, determining a third lost hydrocarbon of the target reservoir comprises:
obtaining the frozen crushed sample pyrolysis oil content and the normal temperature crushed sample pyrolysis oil content of the target reservoir;
and determining third lost hydrocarbon of the target reservoir according to the frozen crushed sample pyrolysis oil content and the normal temperature crushed sample pyrolysis oil content.
Wherein, can discover through the contrast liquid nitrogen freezing garrulous appearance and conventional garrulous appearance pyrolysis difference that low temperature experimental conditions can effectively reduce the light hydrocarbon loss that garrulous appearance process caused, the embodiment of this application confirms sample pretreatment in-process through the freezing garrulous appearance pyrolysis oil content and the normal atmospheric temperature garrulous appearance pyrolysis oil content of target reservoir 
The loss of hydrocarbon can effectively determine the loss of light hydrocarbon in the pretreatment process of the sample, and further improves the accuracy of determining the oil content of the shale reservoir.
Optionally, determining a first lost hydrocarbon of the target reservoir comprises:
acquiring the gas-oil ratio, the crude oil volume coefficient, the crude oil density under the ground condition and the natural gas density under the ground condition of the target shale reservoir;
determining a subsurface conditioned crude oil density of the target reservoir based on the gas-to-oil ratio, the crude oil volume coefficient, the subsurface crude oil density, and the subsurface natural gas density;
and determining the first lost hydrocarbon of the target reservoir according to the experimental test oil content, the second lost hydrocarbon, the third lost hydrocarbon, the crude oil volume coefficient, the crude oil density under the ground condition and the crude oil density under the underground condition.
Here, the embodiment of the application aims at the light hydrocarbon loss caused by the damage of the oil-gas phase balance due to the difference of the reservoir temperature and pressure conditions and the ground temperature and pressure conditions, the difference of hydrocarbon components can be determined according to the phase change characteristics of hydrocarbon substances under the reservoir temperature and pressure conditions and the ground temperature and pressure conditions, specifically, the first scattered hydrocarbon of a target reservoir is determined according to the experimental test oil content, the second scattered hydrocarbon, the third scattered hydrocarbon, the crude oil volume coefficient, the crude oil density under the ground temperature and pressure conditions and the crude oil density under the ground conditions, the light hydrocarbon scattering in the sample collecting process can be accurately determined, and the accuracy of the oil content determination of the shale reservoir is further improved.
Optionally, the determining, according to the oil content of the target reservoir, the oil and gas resource exploitation condition of the target reservoir includes:
and if the oil content of the target reservoir is greater than a preset oil content threshold, determining that the target reservoir can perform oil and gas resource exploitation.
Here, the embodiment of the application can judge the oil content of the target reservoir determined according to the method and the preset oil content threshold value to determine whether the oil content of the target reservoir reaches the development threshold value, further improve the accuracy and efficiency of oil and gas resource exploitation, provide effective basis for oil and gas resource exploitation, and facilitate confirmation of shale reservoir regions suitable for oil and gas resource exploitation.
In a second aspect, embodiments of the present application provide a shale reservoir oil content determination apparatus, comprising:
the first acquisition module is used for acquiring experimental test oil content of a target reservoir, wherein the experimental test oil content is obtained by performing conventional rock pyrolysis experiments on experimental samples of the target reservoir;
the first determining module is used for determining the light hydrocarbon loss of the target reservoir;
the second determining module is used for determining the oil content of the target reservoir according to the experimental test oil content and the light hydrocarbon loss;
And the judging module is used for judging the oil gas resource exploitation condition of the target reservoir according to the oil content of the target reservoir.
Optionally, the first determining module is specifically configured to:
determining a first, a second, and a third hydrocarbon of the target reservoir, wherein the first hydrocarbon is during drilling and sample acquisition
Losing hydrocarbon, wherein the second lost hydrocarbon is the sample entering the core warehouse for preservation process +.>
Losing hydrocarbon, wherein the third losing hydrocarbon is +.>
Losing hydrocarbon;
and determining the light hydrocarbon loss of the target reservoir according to the first, second and third scattered hydrocarbons of the target reservoir.
Optionally, the first determining module is further specifically configured to:
obtaining the rock pyrolysis oil content of a test sample of the target reservoir, wherein the rock pyrolysis oil content is the rock pyrolysis oil content determined before warehousing of the test sample;
and determining a second lost hydrocarbon based on the rock pyrolysis oil content and the experimental test oil content.
Optionally, the first determining module is further specifically configured to:
obtaining the frozen crushed sample pyrolysis oil content and the normal temperature crushed sample pyrolysis oil content of the target reservoir;
And determining third lost hydrocarbon of the target reservoir according to the frozen crushed sample pyrolysis oil content and the normal temperature crushed sample pyrolysis oil content.
Optionally, the first determining module is further specifically configured to:
acquiring the gas-oil ratio, the crude oil volume coefficient, the crude oil density under the ground condition and the natural gas density under the ground condition of the target shale reservoir;
determining a subsurface conditioned crude oil density of the target reservoir based on the gas-to-oil ratio, the crude oil volume coefficient, the subsurface crude oil density, and the subsurface natural gas density;
and determining the first lost hydrocarbon of the target reservoir according to the experimental test oil content, the second lost hydrocarbon, the third lost hydrocarbon, the crude oil volume coefficient, the crude oil density under the ground condition and the crude oil density under the underground condition.
Optionally, the judging module is specifically configured to:
and if the oil content of the target reservoir is greater than a preset oil content threshold, determining that the target reservoir can perform oil and gas resource exploitation.
In a third aspect, embodiments of the present application provide a shale reservoir oil content determination apparatus, comprising: at least one processor and memory;
the memory stores computer-executable instructions;
The at least one processor executes computer-executable instructions stored in the memory, such that the at least one processor performs the shale reservoir oil content determination method as described above in the first aspect and various possible designs of the first aspect.
In a fourth aspect, an embodiment of the present invention provides a computer readable storage medium, where computer executable instructions are stored, and when executed by a processor, implement the shale reservoir oil content determination method according to the first aspect and the various possible designs of the first aspect.
In a fifth aspect, embodiments of the present invention provide a computer program product comprising a computer program which, when executed by a processor, implements the shale reservoir oil content determination method of the first aspect and various possible designs of the first aspect.
According to the method, the device, the equipment and the storage medium for determining the oil content of the shale reservoir, the oil content of the shale reservoir is divided into the total loss of the light hydrocarbon components of the shale reservoir and the experimental test oil content, when the oil content of the target reservoir is determined, the experimental test oil content obtained by carrying out a conventional rock pyrolysis experiment on an experimental sample of the target reservoir is firstly obtained, then the light hydrocarbon loss of the target reservoir is determined, and the oil and gas conditions of the target reservoir can be accurately judged according to the oil and gas conditions of the exploitation of the oil and gas resources determined by the method, and because a large amount of light hydrocarbon loss exists before the shale sample is acquired from underground to test analysis, the embodiment of the application adds the light hydrocarbon loss affecting the oil content into the oil content determination of the shale reservoir, reduces the error influence of the light hydrocarbon loss and experimental error on the oil content determination in the testing process, improves the accuracy of the oil and gas resource determination of the shale reservoir, and further judges whether the target reservoir is suitable for oil and gas resources according to the oil and gas exploitation conditions determined by the method.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic diagram of a shale reservoir oil content determination system architecture according to an embodiment of the present application;
FIG. 2 is a schematic flow chart of a method for determining oil content in a shale reservoir according to an embodiment of the present application;
FIG. 3 is a schematic flow chart of another method for determining oil content in a shale reservoir according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a shale reservoir oil content determining device according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a shale reservoir oil content determining device according to an embodiment of the present application.
Specific embodiments of the present disclosure have been shown by way of the above drawings and will be described in more detail below. These drawings and the written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the disclosed concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.
The terms "first," "second," "third," and "fourth" and the like in the description and in the claims of this application and in the above-described figures, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In recent years, the breakthrough development of shale oil brings a new technological revolution of the global oil and gas industry, the world is guided to lift the development hot tide of shale oil exploration, the recoverable reserve of the global shale oil technology can reach 4.86 multiplied by 10, a plurality of oil and gas resource rich areas acquire a plurality of well industrial oil flows and actively progress, the good prospect of shale oil exploration and development is shown, the development and evolution evaluation research of shale oil is used for solving the scientific problems of shale oil formation and the optimal period, and the development and development method is an important basis for guiding the shale oil layer selection and the exploration deployment. The shale sample is subjected to test analysis from underground acquisition to test analysis before the development of test analysis, the test analysis can be carried out on the region to be detected in the prior art, data such as porosity, oil saturation and the like are obtained through testing in a nuclear magnetic resonance experiment, a pyrolysis experiment and the like, the oil content of the shale reservoir is determined through the data, or the oil content of the shale reservoir is estimated through a large amount of accumulated geochemical data, however, the experimental method in the prior art does not consider the large amount of light hydrocarbon loss in the experimental process, so that the oil content of the shale reservoir is inaccurately determined, and the accuracy of the method for estimating through historical geological data is very low.
Aiming at the technical problems that an accurate oil content of a shale reservoir is difficult to obtain and the oil gas resource exploitation condition cannot be accurately judged according to the oil content in an oil content determination mode in the prior art, the embodiment of the application provides a shale reservoir oil content determination method, device, equipment and storage medium, the shale reservoir oil content is divided into the total loss of shale reservoir light hydrocarbon components and experimental test oil content, the oil content is determined according to the total loss of shale reservoir light hydrocarbon components and the experimental test oil content, and the oil gas resource exploitation condition of a target reservoir is accurately judged according to the determined oil content.
Optionally, fig. 1 is a schematic diagram of a shale reservoir oil content determining system architecture according to an embodiment of the present application. In fig. 1, the above architecture includes at least one of a receiving device 101, a processor 102, and a display device 103.
It will be appreciated that the structure illustrated in the embodiments of the present application does not constitute a particular limitation on the architecture of the shale reservoir oil content determination system. In other possible embodiments of the present application, the architecture may include more or fewer components than those illustrated, or some components may be combined, some components may be separated, or different component arrangements may be specifically determined according to the actual application scenario, and the present application is not limited herein. The components shown in fig. 1 may be implemented in hardware, software, or a combination of software and hardware.
In a specific implementation, the receiving device 101 may be an input/output interface or a communication interface.
The processor 102 can determine the oil content according to the total loss of the light hydrocarbon components of the shale reservoir and the experimental test oil content, and accurately judge the oil and gas resource development condition of the target reservoir through the determined oil content.
The display device 103 may be used to display the above results and the like.
The display device may also be a touch display screen for receiving user instructions while displaying the above content to enable interaction with a user.
It should be understood that the above-described processor may be implemented by a processor that reads instructions in a memory and executes the instructions, or may be implemented by a chip circuit.
In addition, the network architecture and the service scenario described in the embodiments of the present application are for more clearly describing the technical solution of the embodiments of the present application, and do not constitute a limitation on the technical solution provided in the embodiments of the present application, and as a person of ordinary skill in the art can know, with evolution of the network architecture and appearance of a new service scenario, the technical solution provided in the embodiments of the present application is also applicable to similar technical problems.
The following describes the technical scheme of the present application in detail with reference to specific embodiments:
Optionally, fig. 2 is a schematic flow chart of a method for determining oil content in a shale reservoir according to an embodiment of the present application. The execution body of the embodiment of the present application may be the processor 102 in fig. 1, and the specific execution body may be determined according to an actual application scenario. As shown in fig. 2, the method comprises the steps of:
s201: and obtaining the experimental test oil content of the target reservoir.
The experimental test oil content is obtained by performing a conventional rock pyrolysis experiment on an experimental sample of a target reservoir.
Here, the oil content is experimentally measured by S 1 To show, a plurality of stored experimental samples of the target reservoir can be obtained first, and conventional rock pyrolysis experiments can be carried out on the plurality of experimental samples, so that experimental test oil content can be obtained.
Because a great amount of light hydrocarbon is lost before the experimental sample of the shale reservoir is collected from underground to test analysis, S is obtained through the conventional rock pyrolysis experiment 1 The oil content of the target reservoir cannot be accurately characterized.
S202: and determining the light hydrocarbon loss of the target reservoir.
Alternatively, the light hydrocarbon loss may be determined according to historical data of the target area, may be determined according to experimental data, or may be determined through current experimental data and historical data of the target layer.
Alternatively, the difference in oil content between the fresh sample where hydrocarbon loss does not occur and the sample where hydrocarbon loss occurs may be compared, a light hydrocarbon loss rate determined and a light hydrocarbon recovery model established, from which the light hydrocarbon loss of the target reservoir is determined.
S203: and determining the oil content of the target reservoir according to the experimental test oil content and the light hydrocarbon loss.
Optionally, the oil content of the target reservoir can be obtained by adding the experimental test oil content and the light hydrocarbon loss, and the experimental data of the target reservoir are subjected to light hydrocarbon recovery in an adding mode, so that the influence of light hydrocarbon loss on the determination of the oil content of the target reservoir is reduced.
S204: and judging the oil gas resource exploitation condition of the target reservoir according to the oil content of the target reservoir.
Optionally, determining the oil gas resource exploitation condition of the target reservoir according to the oil content of the target reservoir includes:
if the oil content of the target reservoir is greater than the preset oil content threshold, determining that the target reservoir can perform oil and gas resource exploitation.
Here, the embodiment of the application can judge the oil content of the target reservoir determined according to the method and the preset oil content threshold value to determine whether the oil content of the target reservoir reaches the development threshold value, further improve the accuracy and efficiency of oil and gas resource exploitation, provide effective basis for oil and gas resource exploitation, and facilitate confirmation of shale reservoir regions suitable for oil and gas resource exploitation.
According to the embodiment of the application, the oil content of the shale reservoir is divided into the total loss of the light hydrocarbon components of the shale reservoir and the experimental test oil content, when the oil content of the target reservoir is determined, the experimental test oil content obtained by carrying out conventional rock pyrolysis experiments on the experimental sample of the target reservoir is firstly obtained, then the light hydrocarbon loss of the target reservoir is determined, and the oil content of the target shale reservoir is determined according to the experimental test oil content and the light hydrocarbon loss.
Alternatively, the embodiment of the present application may calculate the light hydrocarbon loss amount in three stages to perform light hydrocarbon recovery, and correspondingly, fig. 3 is a schematic flow chart of another method for determining the oil content of a shale reservoir according to the embodiment of the present application, as shown in fig. 3, where the method includes:
S301: and obtaining the experimental test oil content of the target reservoir.
The experimental test oil content is obtained by performing a conventional rock pyrolysis experiment on an experimental sample of a target reservoir.
S302: first, second, and third hydrocarbon emissions of the target reservoir are determined.
Wherein the first hydrocarbon is during drilling and sample collection
Losing hydrocarbon, wherein the second lost hydrocarbon is the sample entering the core warehouse for preservation>
Losing hydrocarbon, the third losing hydrocarbon is +.>
Hydrocarbon loss.
Shale reservoir sample has a large amount of light hydrocarbon loss S from underground acquisition to test analysis 1L The hydrocarbon component loss mainly comprises three stages: after the sample leaves the ground and reaches the ground, the equilibrium in the sample is converted from the high-temperature and high-pressure reservoir condition to the ground temperature and pressure condition, the volume of gaseous hydrocarbon in the sample is expanded, the pore space can not contain the expanded volume, the gaseous hydrocarbon is rapidly dissipated, and the part is called as first dissipated hydrocarbon S 1LC The method comprises the steps of carrying out a first treatment on the surface of the Storing the sample in a warehouse, and slowly losing light hydrocarbon components in the sample under the condition of no package closure, wherein the light hydrocarbon components are called second lost hydrocarbon S 1LS The method comprises the steps of carrying out a first treatment on the surface of the The hydrocarbon component is lost due to the damage of the original reservoir condition caused by sample processing or crushing during the pretreatment of the test sample to be analyzed, which is called a third loss amount S 1LP 。
Wherein the first lost hydrocarbon S is determined 1LC Second fugitive hydrocarbon S 1LS And a third loss amount S 1LS The optional way of (a) is as follows:
optionally, determining a second lost hydrocarbon of the target reservoir comprises: acquiring the rock pyrolysis oil content of a test sample of a target reservoir, wherein the rock pyrolysis oil content is the rock pyrolysis oil content determined before the test sample is put in storage; the second lost hydrocarbon is determined based on the rock pyrolysis oil content and the experimental test oil content.
The loss of light hydrocarbons during sample preservation is affected by a number of factors, such as sample type, organic matter abundance, degree of thermal evolution of the sample, residual hydrocarbon components and relative content in the sample, integrity of the sample, preservation conditions (cryopreservation or sealed preservation), and the like, and the sample before test analysis is crushed and crushedWhether the analysis is immediately carried out or not or the like can cause light hydrocarbon loss with different degrees, and the loss S of the hydrocarbon during the preservation process 1LS The method is influenced by a plurality of factors, and the hydrocarbon loss in the preservation process is difficult to determine by discussing the influence of a single factor, and the empirical coefficients can be obtained by comparing the rock pyrolysis oil content differences of the test samples of the samples at the same depth position in different stages, so that the hydrocarbon loss condition in the preservation process is determined. Wherein the higher the original rock pyrolysis oil content in the test sample, the higher the loss of hydrocarbon components, S can be utilized according to the comparison result 1LS And the experimental test oil content S of the research test 1 A model of hydrocarbon component recovery lost during sample storage is built. Alternatively, the hydrocarbon composition recovery model formula is as follows:
S 1LS ＝a×S 1 +b
wherein a and b are parameters, which can be determined according to the practical conditions of the test.
The embodiment of the application can obtain the oil content in the preservation process through rock pyrolysis oil content and experimental test oil content before the core sample is put in storage
The loss of hydrocarbon can accurately determine the loss of light hydrocarbon in the preservation process, and further improves the accuracy of determining the oil content of the shale reservoir.
Optionally, determining a third hydrocarbon loss from the target reservoir comprises: obtaining the frozen crushed sample pyrolysis oil content and the normal temperature crushed sample pyrolysis oil content of a target reservoir; and determining third lost hydrocarbon of the target reservoir according to the pyrolysis oil content of the frozen crushed samples and the pyrolysis oil content of the normal-temperature crushed samples.
By comparing the oil content data difference of the frozen crushed sample of liquid nitrogen and the conventional crushed sample pyrolysis, the low-temperature experimental condition can be found to effectively reduce the light hydrocarbon loss S caused by the crushing process 1LP The formula is as follows:
S 1LP ＝c×S 1
wherein c is a parameter, which can be determined according to practical circumstances, e.g., if frozen crushed samples retain about 18% more S than conventional crushed samples 1 Thenc has a value of 0.18.
Wherein, can discover through the contrast liquid nitrogen freezing garrulous appearance and conventional garrulous appearance pyrolysis difference that low temperature experimental conditions can effectively reduce the light hydrocarbon loss that garrulous appearance process caused, the embodiment of this application confirms sample pretreatment in-process through the freezing garrulous appearance pyrolysis oil content and the normal atmospheric temperature garrulous appearance pyrolysis oil content of target reservoir
The loss of hydrocarbon can effectively determine the loss of light hydrocarbon in the pretreatment process of the sample, and further improves the accuracy of determining the oil content of the shale reservoir.
Optionally, determining a first lost hydrocarbon of the target reservoir comprises: acquiring the gas-oil ratio, the crude oil volume coefficient, the crude oil density under the ground condition and the natural gas density under the ground condition of a target shale reservoir; determining underground condition crude oil density of a target reservoir according to the gas-oil ratio, the crude oil volume coefficient, the crude oil density under the ground condition and the natural gas density under the ground condition; and determining the first lost hydrocarbon of the target reservoir according to the experimental test oil content, the second lost hydrocarbon, the third lost hydrocarbon, the crude oil volume coefficient, the crude oil density under the ground condition and the crude oil density under the underground condition.
Aiming at the light hydrocarbon loss caused by the damage of the oil-gas phase balance due to the difference of the temperature and pressure conditions of the reservoir and the ground, the difference of hydrocarbon components can be determined according to the phase change characteristics of hydrocarbon substances under the reservoir and the ground, when the shale layer is in an oil window or moisture producing stage, the gaseous hydrocarbon in the reservoir is dissolved in the liquid hydrocarbon, and the oil gas exists in a single-phase liquid form. After the sample is collected from underground to the ground, the temperature and pressure conditions are changed, single-phase liquid hydrocarbon under stratum conditions is converted into gas-liquid two phases, the expansion volume of the gaseous hydrocarbon is increased, the original pore space is difficult to contain the expanded gaseous hydrocarbon, and hydrocarbon components are scattered. The hydrocarbon component can be similar to natural gas extracted after crude oil is collected to the ground, and the volume coefficient (B) o ) Light hydrocarbon losses for the samples were calculated in combination with pyrolysis data:
according to the principle of conservation of mass, the quality of underground crude oil
Equal to the mass of crude oil after ground degassing->
(S 1 And +S 1LS Sum) plus the ground natural gas mass (+.>
Is S 1LC )
Crude oil volume coefficient (B) o ) For the volume of crude oil in the ground
And the surface crude oil volume>
The above formula can be converted into:
in the middle of
Crude oil density after degassing to the surface.
Reservoir condition crude oil density can be determined from surface crude oil density and gas-oil ratio information:
therefore, the amount of light hydrocarbon lost when the sample is collected from the subsurface is:
here, the embodiment of the application aims at the light hydrocarbon loss caused by the damage of the oil-gas phase balance due to the difference of the reservoir temperature and the ground temperature and pressure conditions, and can determine the difference of hydrocarbon components according to the phase change characteristics of hydrocarbon substances under the reservoir and the ground conditions, specifically, determine the first scattered hydrocarbon of a target reservoir according to the experimental test oil content, the second scattered hydrocarbon, the crude oil volume coefficient, the crude oil density under the ground conditions and the crude oil density under the ground conditions, and can accurately determine the light hydrocarbon scattering in the sample collection process, thereby further improving the accuracy of the oil content determination of the shale reservoir.
S303: and determining the light hydrocarbon loss of the target reservoir according to the first, second and third scattered hydrocarbons of the target reservoir.
Wherein the light hydrocarbon loss amount is S 1L Indicating that the light hydrocarbon loss is the first lost hydrocarbon S 1LC Second fugitive hydrocarbon S 1LS And a third loss amount S 1LP The sum is given by:
S 1L ＝S 1LC +S 1LS +S 1LP
s304: and determining the oil content of the target reservoir according to the experimental test oil content and the light hydrocarbon loss.
S305: and judging the oil gas resource exploitation condition of the target reservoir according to the oil content of the target reservoir.
Embodiments of the present application may first determine that a target reservoir is in the process of drilling and sample acquisition
Hydrocarbon loss and sample entering core warehouse preserving process>
Hydrocarbon loss and +.during sample pretreatment>
The hydrocarbon loss accurately and comprehensively calculates the loss of light hydrocarbon components of the shale reservoir in the experimental and testing processes, and the total loss can be calculated by the three phases of hydrocarbon loss calculationAnd the light hydrocarbon loss of the target reservoir in the oil content determination process is accurately determined, so that the oil content determination accuracy of the shale reservoir is further improved.
Fig. 4 is a schematic structural diagram of a shale reservoir oil content determining device provided in an embodiment of the present application, and as shown in fig. 4, the device in an embodiment of the present application includes: an acquisition module 401, a first determination module 402, a second determination module 403, and a judgment module 404. The shale reservoir oil content determination apparatus herein may be the processor 102 itself described above, or a chip or integrated circuit implementing the functionality of the processor 102. Here, the division of the acquisition module 401, the first determination module 402, the second determination module 403, and the determination module 404 is just a division of a logic function, and both may be integrated or independent physically.
The first acquisition module is used for acquiring experimental test oil content of the target reservoir, wherein the experimental test oil content is obtained by performing conventional rock pyrolysis experiments on experimental samples of the target reservoir;
the first determining module is used for determining the light hydrocarbon loss of the target reservoir;
the second determining module is used for determining the oil content of the target reservoir according to the experimental test oil content and the light hydrocarbon loss;
and the judging module is used for judging the exploitation condition of the oil gas resources of the target reservoir according to the oil content of the target reservoir.
Optionally, the first determining module is specifically configured to:
determining a first hydrocarbon, a second hydrocarbon and a third hydrocarbon of the target reservoir, wherein the first hydrocarbon is during drilling and sample collection
Losing hydrocarbon, wherein the second lost hydrocarbon is the sample entering the core warehouse for preservation>
Losing hydrocarbon, the third losing hydrocarbon is +.>
Losing hydrocarbon;
and determining the light hydrocarbon loss of the target reservoir according to the first, second and third scattered hydrocarbons of the target reservoir.
Optionally, the first determining module is further specifically configured to:
acquiring the rock pyrolysis oil content of a test sample of a target reservoir, wherein the rock pyrolysis oil content is the rock pyrolysis oil content determined before the test sample is put in storage;
The second lost hydrocarbon is determined based on the rock pyrolysis oil content and the experimental test oil content.
Optionally, the first determining module is further specifically configured to:
obtaining the frozen crushed sample pyrolysis oil content and the normal temperature crushed sample pyrolysis oil content of a target reservoir;
and determining third lost hydrocarbon of the target reservoir according to the pyrolysis oil content of the frozen crushed samples and the pyrolysis oil content of the normal-temperature crushed samples.
Optionally, the first determining module is further specifically configured to:
acquiring the gas-oil ratio, the crude oil volume coefficient, the crude oil density under the ground condition and the natural gas density under the ground condition of a target shale reservoir;
determining underground condition crude oil density of a target reservoir according to the gas-oil ratio, the crude oil volume coefficient, the crude oil density under the ground condition and the natural gas density under the ground condition;
and determining the first lost hydrocarbon of the target reservoir according to the experimental test oil content, the second lost hydrocarbon, the third lost hydrocarbon, the crude oil volume coefficient, the crude oil density under the ground condition and the crude oil density under the underground condition.
Optionally, the judging module is specifically configured to:
if the oil content of the target reservoir is greater than the preset oil content threshold, determining that the target reservoir can perform oil and gas resource exploitation.
Fig. 5 is a schematic structural diagram of a shale reservoir oil content determining device according to an embodiment of the present application. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not limiting of the implementations of the application described and/or claimed herein.
As shown in fig. 5, the shale reservoir oil content determination apparatus comprises: the processor 501 and the memory 502, the respective components are interconnected using different buses, and may be mounted on a common motherboard or in other manners as appropriate. The processor 501 may process instructions executing within the shale reservoir oil content determination apparatus, including instructions stored in or on memory for display of graphical information on an external input/output device, such as a display apparatus coupled to an interface. In other embodiments, multiple classes of processors and/or multiple buses may be used, if desired, along with multiple classes of memory and multiple classes of memory. One processor 501 is illustrated in fig. 5.
The memory 502 is used as a non-transitory computer readable storage medium, and may be used to store non-transitory software programs, non-transitory computer executable programs, and modules, such as program instructions/modules (e.g., the acquisition module 401, the first determination module 402, the second determination module 403, and the determination module 404 shown in fig. 4) corresponding to the method of the shale reservoir oil content determination apparatus in the embodiments of the present application. The processor 501 executes various functional applications of the server and data processing, i.e., the method of implementing the shale reservoir oil content determination apparatus in the method embodiments described above, by running non-transitory software programs, instructions, and modules stored in the memory 502.
The shale reservoir oil content determination apparatus may further comprise: an input device 503 and an output device 504. The processor 501, memory 502, input devices 503 and output devices 504 may be connected by a bus or otherwise, for example in fig. 5.
The input device 503 may receive input numeric or character information and generate key signal inputs related to user settings and function control of the shale reservoir oil content determination apparatus, such as a touch screen, keypad, mouse, or multiple types of mouse buttons, track ball, joystick, etc. input devices. The output device 504 may be an output device such as a display device of a shale reservoir oil content determination device. The display device may include, but is not limited to, a Liquid Crystal Display (LCD), a Light Emitting Diode (LED) display, and a plasma display. In some implementations, the display device may be a touch screen.
The shale reservoir oil content determination device of the embodiment of the application can be used for executing the technical scheme in the method embodiments of the application, and the implementation principle and the technical effect are similar and are not repeated here.
The embodiment of the application also provides a computer readable storage medium, wherein computer executable instructions are stored in the computer readable storage medium, and the computer executable instructions are used for realizing the shale reservoir oil content determination method according to any one of the above when being executed by a processor.
The embodiment of the application also provides a computer program product, which comprises a computer program, wherein the computer program is used for realizing the shale reservoir oil content determination method according to any one of the above.
In the several embodiments provided in this application, it should be understood that the disclosed systems, apparatuses, and methods may be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative, e.g., the partitioning of elements is merely a logical functional partitioning, and there may be additional partitioning in actual implementation, e.g., multiple classes of elements or components may be combined or integrated into another system, or some features may be omitted, or not implemented. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (6)
1. A method for determining oil content in a shale reservoir, comprising:
obtaining experimental test oil content of a target reservoir, wherein the experimental test oil content is obtained by performing conventional rock pyrolysis experiments on experimental samples of the target reservoir;
determining the light hydrocarbon loss of the target reservoir;
determining the oil content of the target reservoir according to the experimental test oil content and the light hydrocarbon loss;
Judging the exploitation condition of oil and gas resources of the target reservoir according to the oil content of the target reservoir;
the determining the light hydrocarbon loss amount of the target reservoir comprises:
determining first, second and third scattered hydrocarbons of the target reservoir, wherein the first scattered hydrocarbon is scattered hydrocarbon in the processes of drilling and sample collection, the second scattered hydrocarbon is scattered hydrocarbon in the process of sample entering a core library for storage, and the third scattered hydrocarbon is scattered hydrocarbon in the process of sample pretreatment;
determining a light hydrocarbon loss amount of the target reservoir according to the first, second and third lost hydrocarbons of the target reservoir;
determining a second lost hydrocarbon of the target reservoir, comprising:
obtaining the rock pyrolysis oil content of a test sample of the target reservoir, wherein the rock pyrolysis oil content is the rock pyrolysis oil content determined before warehousing of the test sample;
determining a second lost hydrocarbon based on the rock pyrolysis oil content and the experimental test oil content;
determining a third hydrocarbon loss from the target reservoir, comprising:
obtaining the frozen crushed sample pyrolysis oil content and the normal temperature crushed sample pyrolysis oil content of the target reservoir;
Determining a third lost hydrocarbon of the target reservoir according to the frozen crushed sample pyrolysis oil content and the normal temperature crushed sample pyrolysis oil content;
determining a first lost hydrocarbon for the target reservoir, comprising:
acquiring the gas-oil ratio, the crude oil volume coefficient, the crude oil density under the ground condition and the natural gas density under the ground condition of the target reservoir;
determining a subsurface conditioned crude oil density of the target reservoir based on the gas-to-oil ratio, the crude oil volume coefficient, the subsurface crude oil density, and the subsurface natural gas density;
determining a first lost hydrocarbon of the target reservoir based on the experimentally tested oil content, the second lost hydrocarbon, the crude oil volume factor, the subsurface crude oil density, and the subsurface crude oil density; the calculation formula of the first lost hydrocarbon is as follows:
wherein S is 1LC For the first lost hydrocarbon, S 1 To test oil content experimentally, S 1LS In the case of the second hydrocarbon being lost,
crude oil density after degassing for the ground, +.>
Reservoir Condition crude oil Density, B o Crude oil volume coefficient.
2. The method of claim 1, wherein determining the oil and gas resource recovery of the target reservoir based on the oil content of the target reservoir comprises:
And if the oil content of the target reservoir is greater than a preset oil content threshold, determining that the target reservoir can perform oil and gas resource exploitation.
3. A shale reservoir oil content determination apparatus, comprising:
the first acquisition module is used for acquiring experimental test oil content of a target reservoir, wherein the experimental test oil content is obtained by performing conventional rock pyrolysis experiments on experimental samples of the target reservoir;
the first determining module is used for determining the light hydrocarbon loss of the target reservoir;
the second determining module is used for determining the oil content of the target reservoir according to the experimental test oil content and the light hydrocarbon loss;
the judging module is used for judging the oil gas resource exploitation condition of the target reservoir according to the oil content of the target reservoir;
the first determining module is specifically configured to:
determining first, second and third scattered hydrocarbons of a target reservoir, wherein the first scattered hydrocarbon is the scattered hydrocarbon in the drilling and sample collection processes, and the second scattered hydrocarbon is the sample entering the core reservoir storage process
Losing hydrocarbon, wherein the third losing hydrocarbon is the losing hydrocarbon in the pretreatment process of the sample;
Determining the light hydrocarbon loss of the target reservoir according to the first, second and third lost hydrocarbons of the target reservoir;
the first determining module is further specifically configured to:
acquiring the rock pyrolysis oil content of a test sample of a target reservoir, wherein the rock pyrolysis oil content is the rock pyrolysis oil content determined before the test sample is put in storage;
determining a second lost hydrocarbon based on the rock pyrolysis oil content and the experimental test oil content;
the first determining module is further specifically configured to:
obtaining the frozen crushed sample pyrolysis oil content and the normal temperature crushed sample pyrolysis oil content of a target reservoir;
determining a third lost hydrocarbon of the target reservoir according to the frozen crushed sample pyrolysis oil content and the normal temperature crushed sample pyrolysis oil content;
the first determining module is further specifically configured to:
acquiring the gas-oil ratio, the crude oil volume coefficient, the crude oil density under the ground condition and the natural gas density under the ground condition of a target reservoir;
determining underground condition crude oil density of a target reservoir according to the gas-oil ratio, the crude oil volume coefficient, the crude oil density under the ground condition and the natural gas density under the ground condition;
determining a first lost hydrocarbon of the target reservoir according to the experimentally tested oil content, the second lost hydrocarbon, the third lost hydrocarbon, the volumetric coefficient of the crude oil, the density of the crude oil under the ground condition and the density of the crude oil under the underground condition; the calculation formula of the first lost hydrocarbon is as follows:
Wherein S is 1LC For the first lost hydrocarbon, S 1 To test oil content experimentally, S 1LS In the case of the second hydrocarbon being lost,
crude oil density after degassing for the ground, +.>
Reservoir Condition crude oil Density, B o Crude oil volume coefficient.
4. A shale reservoir oil content determination apparatus, comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the shale reservoir oil content determination method of claim 1 or 2.
5. A computer readable storage medium having stored therein computer executable instructions which when executed by a processor are for implementing the shale reservoir oil content determination method of claim 1 or 2.
6. A computer program product comprising a computer program, characterized in that the computer program, when executed by a processor, implements the shale reservoir oil content determination method of claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110774017.2A CN113552161B (en) | 2021-07-08 | 2021-07-08 | Shale reservoir oil content determination method, device, equipment and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110774017.2A CN113552161B (en) | 2021-07-08 | 2021-07-08 | Shale reservoir oil content determination method, device, equipment and storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113552161A CN113552161A (en) | 2021-10-26 |
| CN113552161B true CN113552161B (en) | 2023-06-20 |
Family
ID=78102830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110774017.2A Active CN113552161B (en) | 2021-07-08 | 2021-07-08 | Shale reservoir oil content determination method, device, equipment and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113552161B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253101A (en) * | 2020-10-09 | 2021-01-22 | 中国石油大学(北京) | Oil and gas resource exploration method, device, equipment and computer readable storage medium |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543470B (en) * | 2013-10-18 | 2016-08-17 | 中国石油大学(华东) | Light, the heavy hydrocarbon bearing calibration of a kind of free hydrocarbon/residual hydrocarbons S1 being pyrolyzed in rock |
| CN109298449B (en) * | 2018-09-26 | 2020-11-06 | 中国石油化工股份有限公司 | Method for determining favorable unit for continental facies shale oil exploration |
| CN112748143B (en) * | 2019-10-30 | 2022-11-04 | 中国石油天然气股份有限公司 | Shale oil in-situ quantity calculation method |
-
2021
- 2021-07-08 CN CN202110774017.2A patent/CN113552161B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253101A (en) * | 2020-10-09 | 2021-01-22 | 中国石油大学(北京) | Oil and gas resource exploration method, device, equipment and computer readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113552161A (en) | 2021-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8271243B2 (en) | System and method of integrating subterranean computer models for oil and gas exploration | |
| Chen et al. | Hydrocarbon evaporative loss evaluation of lacustrine shale oil based on mass balance method: Permian Lucaogou Formation in Jimusaer Depression, Junggar Basin | |
| Kang et al. | Impact of natural fractures in drainage volume calculations and optimal well placement in tight gas reservoirs | |
| CN105930604B (en) | A kind of method and device of determining shale gas exploitation degree | |
| CN110632657B (en) | Mudstone smearing type fault sealing analysis method and device | |
| Glegola et al. | History Matching Time-Lapse Surface-Gravity and Well-Pressure Data With Ensemble Smoother for Estimating Gas Field Aquifer Support—A 3D Numerical Study | |
| Neuhaus et al. | Integrated microseismic monitoring for field optimization in the Marcellus Shale-A case study | |
| CN107102377B (en) | The method of quantitative forecast tight sand favorable oil/gas exploration area | |
| US8949173B2 (en) | Pay zone prediction | |
| CN112330109A (en) | Quantitative characterization method, system and equipment for geological comprehensive evaluation of oil and gas exploration zone | |
| CN105842750A (en) | Method and device for determining critical porosity corresponding with buoyancy reservoir-forming lower limit of compact sandstone | |
| CN105240006A (en) | Oil and water layer recognition method suitable for volcanic reservoir | |
| US20070225916A1 (en) | Method for identification of inhibited wells in the mature fields | |
| Rasmusson et al. | A simulation study of the effect of trapping model, geological heterogeneity and injection strategies on CO2 trapping | |
| Maschio et al. | A new methodology for history matching combining iterative discrete Latin Hypercube with multi-start simulated annealing | |
| CN113552161B (en) | Shale reservoir oil content determination method, device, equipment and storage medium | |
| CN112114357B (en) | Fracture-cavity type reservoir connectivity prediction method and device | |
| Peterson et al. | Case study of time-based stress shadow influences on new well fracture propagation patterns in the Montney | |
| Moradi et al. | Learning from Behavioral Frac Maps: A Montney Case Study in Integration of Modern Microseismic and Production Data Analyses | |
| Hui et al. | A hybrid embedded discrete fracture model and dual-porosity, dual-permeability workflow for hierarchical treatment of fractures in practical field studies | |
| CN112065370A (en) | Method and device for evaluating oil-gas-containing property of broken block trap | |
| CN112347707A (en) | Characterization method and device for flow heterogeneity of oil reservoir | |
| CN106401575B (en) | Ultra-high water cut stage core hole Water Flooding Layer initial oil saturation calculation method | |
| Temizel et al. | An investigation of gas recycling in fractured gas-condensate reservoirs | |
| CN112780267B (en) | Method, device and equipment for determining accumulation possibility |
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 |