CN110019119B - Reservoir oil-gas-containing logging interpretation method and device - Google Patents
Reservoir oil-gas-containing logging interpretation method and device Download PDFInfo
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Abstract
The invention discloses a reservoir oil-gas-containing logging interpretation method and a device, wherein the method comprises the following steps: establishing a logging interpretation database; extracting effective parameters from the logging interpretation database, and performing parameter reconstruction according to the effective parameters to obtain a ground oil-gas content index of the reservoir gas logging and a logging physical property index of reservoir engineering parameters; and (3) intersecting the oil-gas content index of the reservoir gas logging ground and the logging physical property index of the reservoir engineering parameter, and establishing a logging explanation plate. The invention achieves the purpose of improving the well logging interpretation coincidence rate.
Description
Technical Field
The invention relates to the technical field of petroleum and natural gas exploration and development, in particular to a reservoir oil-gas-containing logging interpretation method and device.
Background
In the field of oil exploration and development, reservoir fluid properties are often discriminated using gas-logging data. The existing discrimination method adopts a cross plot method of an all-hydrocarbon value, a curve form method and a traditional gas measurement interpretation method based on a gas measurement component ratio.
Long-term production practices have shown that the characterization of reservoir fluid properties requires consideration of two factors, one being hydrocarbon and the other being physical properties. Therefore, the existing well logging interpretation methods often have the following problems in the use process: parameters reflecting the physical properties of the reservoir are not fully considered, and the fluid properties of the reservoir cannot be accurately evaluated; when the oil-gas content of a reservoir is evaluated by using gas logging information, only the parameters of gas logging hydrocarbon components are considered, and the quantitative consideration is not carried out by qualitatively identifying the curve form, so that the logging interpretation coincidence rate is low.
Disclosure of Invention
Aiming at the problems, the invention provides a method and a device for explaining logging of oil-gas-bearing property of a reservoir stratum, which achieve the purpose of improving the logging explanation coincidence rate.
In order to achieve the above object, according to a first aspect of the present invention, there is provided a reservoir hydrocarbon logging interpretation method, comprising:
establishing a logging interpretation database;
extracting effective parameters from the logging interpretation database, and performing parameter reconstruction according to the effective parameters to obtain a ground oil-gas content index of the reservoir gas logging and a logging physical property index of reservoir engineering parameters;
and (3) intersecting the oil-gas content index of the reservoir gas logging ground and the logging physical property index of the reservoir engineering parameter, and establishing a logging explanation plate.
Preferably, the creating a logging interpretation database includes:
collecting logging information, engineering parameter logging information and oil testing information;
carrying out qualitative determination on the production zone according to the oil testing data to obtain an oil testing conclusion;
and establishing a logging explanation database according to the oil testing conclusion, the logging information and the engineering parameter logging information.
Preferably, the effective parameters are extracted from the logging interpretation database, and parameter reconstruction is performed according to the effective parameters to obtain the ground oil-gas content index of the reservoir gas logging and the logging physical property index of the reservoir engineering parameters, including:
extracting effective parameters from the logging interpretation data, wherein the effective parameters comprise gas measurement total hydrocarbon increment, hydrocarbon filling coefficient, gas measurement total hydrocarbon peak area, gas measurement component relative coefficient, cap layer drilling time, reservoir layer drilling time, rotating speed and drilling pressure;
calculating to obtain a reservoir gas logging ground oil-gas content index according to GHI (R multiplied by H multiplied by S multiplied by D), wherein GHI is the reservoir gas logging ground oil-gas content index, R is a gas logging total hydrocarbon increment, H is a hydrocarbon fill coefficient, S is a gas logging total hydrocarbon peak area and D is a gas logging component relative coefficient;
according to K ═ ZSCover/ZSStore upXNxW, and calculating to obtain the logging physical property index of the reservoir engineering parameter, wherein K is the logging physical property index of the reservoir engineering parameter, ZSCoverWhen drilling for cap layer, ZSStore upWhen drilling for a reservoir, N is the rotational speed and W is the weight on bit.
Preferably, the reservoir gas logging ground oil-gas content index and the reservoir engineering parameter logging physical property index are intersected to establish a logging explanation chart, which comprises the following steps:
setting the logging physical property index of the reservoir engineering parameter as an abscissa;
setting the oil-gas content index of the reservoir gas logging ground as a vertical coordinate;
and intersecting in a plane rectangular coordinate system according to the abscissa and the ordinate to establish a logging interpretation plate.
Preferably, the method further comprises:
and generating reservoir layer discrimination criteria according to the logging interpretation chart.
According to a second aspect of the present invention there is provided a reservoir hydrocarbon logging interpretation apparatus comprising:
the establishing module is used for establishing a logging interpretation database;
the parameter reconstruction module is used for extracting effective parameters from the logging interpretation database and reconstructing the parameters according to the effective parameters to obtain a ground oil-gas content index of the reservoir gas logging and a logging physical property index of a reservoir engineering parameter;
and the chart establishing module is used for intersecting the oil-gas content index of the reservoir gas logging ground and the logging physical property index of the reservoir engineering parameter to establish a logging explanation chart.
Preferably, the establishing module comprises:
the collecting unit is used for collecting logging information, engineering parameter logging information and oil testing information;
the qualitative unit is used for carrying out qualitative determination on the production layer according to the oil testing data to obtain an oil testing conclusion;
and the database establishing unit is used for establishing a logging explanation database according to the oil testing conclusion, the logging information and the engineering parameter logging information.
Preferably, the parameter reconstruction module includes:
the parameter extraction unit is used for extracting effective parameters from the logging interpretation data, wherein the effective parameters comprise gas measurement total hydrocarbon increment, hydrocarbon fullness coefficient, gas measurement total hydrocarbon peak area, gas measurement component relative coefficient, cap layer drilling time, reservoir layer drilling time, rotating speed and drilling pressure;
the first calculation unit is used for calculating and obtaining the oil-gas-containing index of the ground of the gas logging of the reservoir according to GHI (R multiplied by H multiplied by S multiplied by D), wherein GHI is the oil-gas-containing index of the ground of the gas logging of the reservoir, R is the increment of the whole hydrocarbon of gas logging, H is the hydrocarbon fullness coefficient, S is the peak area of the whole hydrocarbon of gas logging, and D is the relative coefficient of gas logging components;
a second calculation unit for calculating a value according to K ═ ZSCover/ZSStore upXNxW, and calculating to obtain the logging physical property index of the reservoir engineering parameter, wherein K is the logging physical property index of the reservoir engineering parameter, ZSCoverWhen drilling for cap layer, ZSStore upWhen drilling for a reservoir, N is the rotational speed and W is the weight on bit.
Preferably, the plate creating module includes:
the first setting unit is used for setting the logging physical index of the reservoir engineering parameter as a horizontal coordinate;
the second setting unit is used for setting the oil-gas content index of the reservoir gas logging ground as a vertical coordinate;
and the plate establishing unit is used for intersecting in a plane rectangular coordinate system according to the horizontal coordinate and the vertical coordinate to establish a logging interpretation plate.
Preferably, the apparatus further comprises:
and the generating module is used for generating a reservoir layer distinguishing standard according to the logging interpretation chart.
Compared with the prior art, the logging interpretation method has the advantages that the logging interpretation database is established, effective parameter extraction is carried out, the oil-gas content index of the logging ground of the reservoir gas logging and the logging physical property index of the reservoir engineering parameter are obtained, and the logging interpretation chart is constructed. Because various parameters are extracted when the parameters are extracted from the logging interpretation database, and all parameters reflecting the physical properties of engineering parameters of the reservoir are fully considered, the fluid properties of the reservoir can be accurately evaluated, when the oil content of the reservoir is evaluated by using gas logging information, the oil content is evaluated through a logging interpretation chart, namely, quantitative consideration is carried out through curve form qualitative identification, and the logging interpretation coincidence rate is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic flow chart of a reservoir hydrocarbon logging interpretation method according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a method for creating a logging interpretation database in step S11 shown in fig. 1 according to a second embodiment of the present invention;
fig. 3 is a flowchart illustrating a parameter reconstruction method in the step S12 shown in fig. 1 according to a second embodiment of the present invention;
fig. 4 is a flowchart illustrating a method for creating a logging interpretation chart in step S13 shown in fig. 1 according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of an interpretation apparatus for oil-gas-bearing logging in a reservoir provided in the third embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first" and "second," and the like in the description and claims of the present invention and the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not set forth for a listed step or element but may include steps or elements not listed.
Example one
Referring to fig. 1, a schematic flow chart of an interpretation method of oil-gas-bearing logging in a reservoir according to an embodiment of the present invention is shown, the method including the following steps:
s11, establishing a logging explanation database;
it should be noted that the logging interpretation database is the basis for the characterization of reservoir fluid properties by parametric reconstruction. The logging interpretation database is established by collecting gas logging information, engineering parameter logging information and oil testing information, and the oil testing information is used for determining the nature of a production zone and taking an oil testing conclusion as a basis.
S12, extracting effective parameters from the logging interpretation database, and performing parameter reconstruction according to the effective parameters to obtain a reservoir gas logging ground oil-gas content index and a reservoir engineering parameter logging physical property index;
specifically, parameter reconstruction is to extract effective parameters from a logging interpretation database according to an oil testing conclusion to establish two reconstruction parameters of a reservoir gas logging ground oil-gas-containing index GHI and a reservoir engineering parameter logging physical index K.
And S13, intersecting the oil-gas content index of the reservoir gas logging ground with the logging physical index of the reservoir engineering parameter, and establishing a logging explanation plate.
Namely, the calculated reservoir gas logging ground oil-gas content index GHI and reservoir engineering parameter logging physical index K, the sub-layer and the reservoir type are projected into a logging interpretation chart to determine the nature of the reservoir fluid.
According to the technical scheme disclosed by the embodiment of the invention, a logging interpretation chart is constructed by establishing a logging interpretation database, then extracting effective parameters and obtaining the ground oil-gas content index of the reservoir gas logging and the logging physical property index of the reservoir engineering parameters. Because various parameters are extracted when the parameters are extracted from the logging interpretation database, and all parameters reflecting the physical properties of engineering parameters of the reservoir are fully considered, the fluid properties of the reservoir can be accurately evaluated, when the oil content of the reservoir is evaluated by using gas logging information, the oil content is evaluated through a logging interpretation chart, namely, quantitative consideration is carried out through curve form qualitative identification, and the logging interpretation coincidence rate is improved.
Example two
Referring to the first embodiment of the present invention and the specific process from S11 to S13 described in fig. 1, referring to fig. 2, a flowchart of a method for establishing a logging interpretation database in the S11 shown in fig. 1 corresponding to the second embodiment of the present invention is shown, which specifically includes:
s111, collecting logging information, engineering parameter logging information and oil testing information;
s112, carrying out qualitative determination on the production zone according to the oil testing data to obtain an oil testing conclusion;
s113, establishing a logging explanation database according to the oil testing conclusion, the logging information and the engineering parameter logging information.
Fig. 3 is a flowchart of a parameter reconstruction method in the step S12 shown in fig. 1 corresponding to the second embodiment of the present invention, which specifically includes:
s121, extracting effective parameters from the logging interpretation data, wherein the effective parameters comprise gas measurement total hydrocarbon increment, hydrocarbon filling coefficient, gas measurement total hydrocarbon peak area, gas measurement component relative coefficient, cap layer drilling time, reservoir layer drilling time, rotating speed and drilling pressure;
s122, calculating to obtain a ground oil-gas-containing index of the gas logging of the reservoir layer according to GHI (R multiplied by H multiplied by S multiplied by D), wherein GHI is the ground oil-gas-containing index of the gas logging of the reservoir layer, R is the increment of the gas logging total hydrocarbon, H is the hydrocarbon filling coefficient, S is the area of the gas logging total hydrocarbon peak, and D is the relative coefficient of gas logging components;
s123, according to K ═ ZSCover/ZSStore upXNxW, and calculating to obtain the logging physical property index of the reservoir engineering parameter, wherein K is the logging physical property index of the reservoir engineering parameter, ZSCoverWhen drilling for cap layer, ZSStore upWhen drilling for a reservoir, N is the rotational speed and W is the weight on bit.
It should be noted that the definition of the gas logging ground hydrocarbon content index GHI of the reservoir is to simplify the gas logging parameters which reflect the hydrocarbon content of the reservoir qualitatively and quantitatively into a single conceptual index value form, so as to evaluate the fluid property of the reservoir more comprehensively, and can combine with the physical property characteristics of the reservoir to characterize the hydrocarbon content of the reservoir in a classification manner, and the calculation formula is as follows:
GHI＝R×H×S×D (1-1)
in the formula (1-1), GHI is the oil-gas content index of the gas logging ground of the reservoir stratum, R is the gas logging total hydrocarbon increment, H is the hydrocarbon filling coefficient, S is the gas logging total hydrocarbon peak area and D is the relative coefficient of gas logging components;
specifically, the gas measurement total hydrocarbon increment R is calculated by the formula of R ═ TgPeak(s)-TgBase ofWherein, TgPeak(s)Displaying segment gas-log total hydrocarbon peak, Tg, for gas-log anomaliesBase ofIs the average gas-measured total hydrocarbon of the cap layer 5m to 10m above the reservoir. The geological significance of the gas logging total hydrocarbon increment is to measure the activity degree of abnormal gas logging display of a reservoir, and the activity degree is closely related to the oil-gas content of the reservoir. Generally, the oil-gas content of the reservoir is good, the R value is large, and the oil-gas content of the reservoir is poor, the R value is small;
calculation of the fill factor H for hydrocarbonsThe formula is H ═ HQi (Qi)/hStore upWherein h isQi (Qi)Display of thickness, h, for gasometry anomaliesStore upThe thickness of the reservoir corresponding to the segment is displayed for the gas logging anomalies. The gas logging anomaly indicates that the thickness or reservoir thickness is a half-range point value. It should be noted that the reservoir thickness value refers to the drilling time curve before electrical measurement and the logging curve (natural potential or natural gamma) after electrical measurement, and the two cases are half-amplitude points. The present embodiment takes a natural gamma curve as an example;
the gas full hydrocarbon peak area S is calculated as S-khW, where h is the gas full hydrocarbon peak height, W is the gas full hydrocarbon peak width, and k is a constant with a value of about 0.1882. It should be noted that, in this embodiment, only a formula for calculating the gas measurement total hydrocarbon peak area is preferred, but the formula for calculating the gas measurement total hydrocarbon peak is not limited to the formula provided in this embodiment;
the gas measurement component relative coefficient D is the ratio of the component contents, and the calculation formula is D ═ Cx/CyWherein, CxAnd CyThe detected value of a certain hydrocarbon component in the abnormal display section for gas detection has a ratio which can reflect the oil-gas content of the reservoir layer. CxAnd CyThe specific value is determined according to the oil test result of the work area, and C of different blocks, different reservoir types and different oil reservoir typesxAnd CyThe values of the components are different, and after a certain number of well positions are verified, a proper gas measurement component relative coefficient D can be found.
Correspondingly, the reservoir engineering parameter logging physical property index K is defined as the engineering parameter which can intensively qualitatively or quantitatively reflect the physical properties of the reservoir is simplified into a single conceptual index value form so as to more comprehensively represent the physical property characteristics of the reservoir, and the calculation formula is as follows:
K＝ZScover/ZSStore up×N×W (1-2)
In the formula (1-2), K is a reservoir engineering parameter logging physical property index ZSCoverWhen drilling for cap layer, ZSStore upWhen drilling for a reservoir, N is the rotational speed and W is the weight on bit.
In particular, ZS when reservoir is drilledStore upArithmetic of selecting effective drilling times in a reservoirMean value, cap layer time of penetration ZSCoverThe arithmetic mean of the effective drilling times of the cap layers 5m to 20m above the reservoir was chosen. It should be noted that the drilling time data influenced by engineering factors such as joint, tripping, directional drilling, coring drilling and the like should be removed during the drilling time reading, wherein the drilling time refers to the time required for drilling through a rock stratum with unit thickness, and the unit is min/m.
Fig. 4 is a schematic flow chart of a method for creating a logging interpretation chart in step S13 shown in fig. 1 according to the second embodiment of the present invention, which specifically includes:
s131, setting the logging physical property index of the reservoir engineering parameter as a horizontal coordinate;
s132, setting the oil-gas content index of the ground of the reservoir gas logging as a vertical coordinate;
and S133, intersecting in a plane rectangular coordinate system according to the abscissa and the ordinate, and establishing a logging interpretation plate.
The reservoir gas logging ground oil-gas content index and the reservoir engineering parameter logging physical property index are intersected to establish a logging explanation chart, the abscissa of the chart is the reservoir engineering parameter logging physical property index, the ordinate of the chart is the reservoir gas logging ground oil-gas content index, the projection point represents reservoirs with different fluid properties in different colors and shapes, according to distribution areas of the reservoirs with different fluid properties in the chart, the area lines are divided, parameter boundaries of the reservoirs with different fluid properties are further obtained, and basis is provided for identifying the oil-gas content of the reservoirs in later exploration and development. And generating reservoir layer discrimination standards according to the logging interpretation chart.
According to the technical scheme disclosed by the second embodiment of the invention, a logging interpretation database is established by collecting logging information, engineering parameter logging information and oil testing information, so that the database is more representative; meanwhile, through parameter reconstruction, gas logging parameters which reflect the oil and gas content of the reservoir layer in a centralized, qualitative and quantitative mode are simplified into a single conceptual index value form in the parameter reconstruction process, so that the oil and gas content index of the reservoir layer gas logging ground is generated, and the fluid property of the reservoir layer is evaluated more comprehensively; engineering parameters which reflect the physical properties of the reservoir layer in a centralized and qualitative or quantitative mode are simplified into a single conceptual index value mode, and a reservoir layer engineering parameter logging physical property index is generated so as to represent the physical property characteristics of the reservoir layer more comprehensively; and then generating a logging explanation plate according to the index obtained by parameter reconstruction, and evaluating through the logging explanation plate, namely quantitatively considering through qualitative identification of curve forms, so as to improve the logging explanation coincidence rate.
EXAMPLE III
Corresponding to the reservoir hydrocarbon-bearing logging interpretation method disclosed in the first embodiment and the second embodiment of the present invention, the third embodiment of the present invention further provides a reservoir hydrocarbon-bearing logging interpretation apparatus, and fig. 5 is a schematic structural diagram of the reservoir hydrocarbon-bearing logging interpretation apparatus provided in the third embodiment of the present invention, and the apparatus includes:
the system comprises an establishing module 1, a logging interpretation database and a logging interpretation module, wherein the establishing module is used for establishing the logging interpretation database;
the parameter reconstruction module 2 is used for extracting effective parameters from the logging interpretation database and reconstructing the parameters according to the effective parameters to obtain a ground oil-gas content index of the reservoir gas logging and a logging physical property index of a reservoir engineering parameter;
and the chart establishing module 3 is used for intersecting the oil-gas content index of the reservoir gas logging ground and the logging physical property index of the reservoir engineering parameter to establish a logging explanation chart.
Correspondingly, the establishing module 1 comprises:
the collecting unit 11 is used for collecting logging information, engineering parameter logging information and oil testing information;
the qualitative unit 12 is used for carrying out qualitative determination on the production zone according to the oil testing data to obtain an oil testing conclusion;
and the database establishing unit 13 is used for establishing a logging explanation database according to the oil testing conclusion, the logging information and the engineering parameter logging information.
Correspondingly, the parameter reconstruction module 2 includes:
the parameter extraction unit 21 is configured to extract effective parameters from the logging interpretation data, where the effective parameters include a gas measurement total hydrocarbon increment, a hydrocarbon flooding coefficient, a gas measurement total hydrocarbon peak area, a gas measurement component relative coefficient, a cap layer drilling time, a reservoir layer drilling time, a rotation speed, and a drilling pressure;
the first calculating unit 22 is configured to calculate and obtain a reservoir gas logging ground oil-gas content index according to GHI ═ R × H × S × D, where GHI is the reservoir gas logging ground oil-gas content index, R is a gas logging total hydrocarbon increment, H is a hydrocarbon fullness coefficient, S is a gas logging total hydrocarbon peak area, and D is a gas logging component relative coefficient;
a second calculation unit 23 for calculating a value according to K ═ ZSCover/ZSStore upxNxW, wherein K is reservoir engineering parameter logging physical property index, ZSCoverWhen drilling for cap layer, ZSStore upWhen drilling for a reservoir, N is the rotational speed and W is the weight on bit.
Meanwhile, the plate creating module 3 includes:
a first setting unit 31, configured to set the reservoir engineering parameter logging physical property index as an abscissa;
a second setting unit 32, configured to set the reservoir gas logging ground oil-gas content index as a vertical coordinate;
and the plate establishing unit 33 is configured to perform intersection in a rectangular plane coordinate system according to the abscissa and the ordinate, and establish a logging interpretation plate.
Correspondingly, the device also comprises:
and the generating module is used for generating a reservoir layer distinguishing standard according to the logging interpretation chart.
In the third embodiment of the invention, a logging interpretation chart is constructed by establishing a logging interpretation database, then extracting effective parameters and obtaining the ground oil-gas content index of the reservoir gas logging and the logging physical property index of the reservoir engineering parameters. Because various parameters are extracted when the parameters are extracted from the logging interpretation database, and all parameters reflecting the physical properties of engineering parameters of the reservoir are fully considered, the fluid properties of the reservoir can be accurately evaluated, when the oil content of the reservoir is evaluated by using gas logging information, the oil content is evaluated through a logging interpretation chart, namely, quantitative consideration is carried out through curve form qualitative identification, and the logging interpretation coincidence rate is improved.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A method for interpreting hydrocarbon-bearing logs in a reservoir, the method comprising:
establishing a logging interpretation database;
extracting effective parameters from the logging interpretation database, and performing parameter reconstruction according to the effective parameters to obtain a ground oil-gas content index of the reservoir gas logging and a logging physical property index of reservoir engineering parameters;
and (3) intersecting the ground oil-gas content index of the reservoir gas logging and the logging physical index of the reservoir engineering parameter to establish a logging explanation chart, which comprises the following steps: setting the horizontal coordinate of the logging physical property index of the reservoir engineering parameter; setting the oil-gas content index of the reservoir gas logging ground as a vertical coordinate; according to the horizontal coordinate and the vertical coordinate, intersection is carried out in a plane rectangular coordinate system, and a logging interpretation plate is established;
extracting effective parameters from the logging interpretation database, and performing parameter reconstruction according to the effective parameters to obtain a ground oil-gas-bearing index of the gas logging of the reservoir stratum and a logging physical index of engineering parameters of the reservoir stratum, wherein the steps comprise:
extracting effective parameters from the logging interpretation data, wherein the effective parameters comprise gas measurement total hydrocarbon increment, hydrocarbon filling coefficient, gas measurement total hydrocarbon peak area, gas measurement component relative coefficient, cap layer drilling time, reservoir layer drilling time, rotating speed and drilling pressure;
and calculating to obtain the oil and gas content index of the reservoir gas logging ground according to the GHI (R multiplied by H multiplied by S multiplied by D), wherein the GHI is the oil and gas content index of the reservoir gas logging ground, R is the gas logging total hydrocarbon increment, and the calculation formula of R is that R is TgPeak(s)-TgBase ofWherein, TgPeak(s)Displaying segment gas-log total hydrocarbon peak, Tg, for gas-log anomaliesBase ofThe average value of gas-measured total hydrocarbon of a cover layer 5m to 10m above a reservoir stratum, H is a hydrocarbon fill coefficient, S is a gas-measured total hydrocarbon peak area and D is a gas-measured component relative coefficient;
and calculating to obtain the logging physical index of the reservoir engineering parameter according to the K-ZS cover/ZS storage multiplied by N multiplied by W, wherein K is the logging physical index of the reservoir engineering parameter, ZS cover is the cap layer drilling time, ZS storage is the reservoir drilling time, N is the rotating speed and W is the drilling pressure.
2. The method of claim 1, wherein the building a logging interpretation database comprises:
collecting logging information, engineering parameter logging information and oil testing information;
carrying out qualitative determination on the production zone according to the oil testing data to obtain an oil testing conclusion;
and establishing a logging explanation database according to the oil testing conclusion, the logging information and the engineering parameter logging information.
3. The method of claim 1, further comprising:
and generating reservoir layer discrimination criteria according to the logging interpretation chart.
4. A reservoir hydrocarbon logging interpretation apparatus, the apparatus comprising:
the establishing module is used for establishing a logging interpretation database;
the parameter reconstruction module is used for extracting effective parameters from the logging interpretation database and reconstructing the parameters according to the effective parameters to obtain a ground oil-gas content index of the reservoir gas logging and a logging physical property index of a reservoir engineering parameter;
the chart establishing module is used for intersecting the oil-gas content index of the reservoir gas logging ground and the logging physical property index of the reservoir engineering parameter to establish a logging explanation chart;
the parameter reconstruction module comprises:
the parameter extraction unit is used for extracting effective parameters from the logging interpretation data, wherein the effective parameters comprise gas measurement total hydrocarbon increment, hydrocarbon fullness coefficient, gas measurement total hydrocarbon peak area, gas measurement component relative coefficient, cap layer drilling time, reservoir layer drilling time, rotating speed and drilling pressure;
the first calculation unit is used for calculating and obtaining the oil and gas bearing index of the ground of the reservoir gas logging according to GHI (R multiplied by H multiplied by S multiplied by D), wherein GHI is the oil and gas bearing index of the ground of the reservoir gas logging, R is the increment of the gas logging total hydrocarbon, and the calculation formula of R is that R is TgPeak(s)-TgBase ofWherein, TgPeak(s)Displaying segment gas-log total hydrocarbon peak, Tg, for gas-log anomaliesBase ofThe average value of gas-measured total hydrocarbon of a cover layer 5m to 10m above a reservoir stratum, H is a hydrocarbon fill coefficient, S is a gas-measured total hydrocarbon peak area and D is a gas-measured component relative coefficient;
a second calculation unit for calculating a value according to K ═ ZSCover/ZSStore upXNxW, and calculating to obtain the logging physical property index of the reservoir engineering parameter, wherein K is the logging physical property index of the reservoir engineering parameter, ZSCoverWhen drilling for cap layer, ZSStore upWhen drilling for a reservoir, N is the rotating speed and W is the bit pressure;
the plate creating module includes:
the first setting unit is used for setting the logging physical index of the reservoir engineering parameter as a horizontal coordinate;
the second setting unit is used for setting the oil-gas content index of the reservoir gas logging ground as a vertical coordinate;
and the plate establishing unit is used for intersecting in a plane rectangular coordinate system according to the horizontal coordinate and the vertical coordinate to establish a logging interpretation plate.
5. The apparatus of claim 4, wherein the establishing module comprises:
the collecting unit is used for collecting logging information, engineering parameter logging information and oil testing information;
the qualitative unit is used for carrying out qualitative determination on the production layer according to the oil testing data to obtain an oil testing conclusion;
and the database establishing unit is used for establishing a logging explanation database according to the oil testing conclusion, the logging information and the engineering parameter logging information.
6. The apparatus of claim 4, further comprising:
and the generating module is used for generating a reservoir layer distinguishing standard according to the logging interpretation chart.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104504182A (en) * | 2014-12-09 | 2015-04-08 | 中国石油集团川庆钻探工程有限公司 | Method for rapidly identifying unconventional gas reservoir |
| CN106125156A (en) * | 2016-06-29 | 2016-11-16 | 中国石油集团西部钻探工程有限公司 | The multifactor means of interpretation of igneous rock well logging |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US7804297B2 (en) * | 2008-01-30 | 2010-09-28 | Baker Hughes Incorporated | Methodology for interpretation and analysis of NMR distributions |
| CN201943685U (en) * | 2010-10-21 | 2011-08-24 | 中国石油化工集团公司 | Continuous spectrum gas survey and logging device |
| CN102590889B (en) * | 2012-02-17 | 2015-02-04 | 中国石油化工股份有限公司 | Log multi-parameter oil-gas interpretation method based on radar map and cloud model |
| CN103615242B (en) * | 2013-12-17 | 2016-08-31 | 中国海洋石油总公司 | Layer fluid well logging multi-parameter oil-gas layer comprehensive interpretation and evaluation method in real time |
| CN105064986A (en) * | 2015-07-24 | 2015-11-18 | 中国石油天然气集团公司 | Method for building reservoir four-property relationship spectrum by using conventional well detection and logging information |
| CN105201491B (en) * | 2015-09-02 | 2019-02-15 | 中国石油天然气股份有限公司 | A kind of method and device of determining water logging intensity |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104504182A (en) * | 2014-12-09 | 2015-04-08 | 中国石油集团川庆钻探工程有限公司 | Method for rapidly identifying unconventional gas reservoir |
| CN106125156A (en) * | 2016-06-29 | 2016-11-16 | 中国石油集团西部钻探工程有限公司 | The multifactor means of interpretation of igneous rock well logging |
Non-Patent Citations (1)
| Title |
|---|
| 马朗凹陷致密油储集层气测录井解释评价方法;吴文明等;《石油化工应用》;20170131;第36卷(第1期);第102-105页 * |
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