CN110443719A - A kind of buried hill at hiding Favorable Zones evaluation method - Google Patents
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Abstract
The present invention relates to a kind of buried hills into the evaluation method of hiding Favorable Zones.The evaluation method includes zone and locating stratigraphic horizon of the determining high quality source rock in Basin Developing, determine the main row's hydrocarbon thresholding depth of high quality source rock, basin existing ancient hidden mountain structure feature now is determined according to earthquake profile construction interpretation results, it works out basin different times tectonic evolution sections and studies buried hill history of evolution, it determines in the layer position thickness that main row's hydrocarbon thresholding depth bounds include the layer position of high quality source rock and buried hill laterally contacts, determine different layers position high quality source rock and buried hill lateral time of contact, it is preferred at hiding probability and Favorable Zones to establish buried hill.The evaluation method is the development characteristics according to buried hill in different structural evolution periods, in conjunction with the main row's hydrocarbon thresholding depth of high quality source rock, study effective contact area and the period of buried hill and high quality source rock, to evaluate buried hill at hiding probability size, to carry out the optimizing evaluation of basin buried hill.
Description
Technical field
The invention belongs to buried hills into hiding evaluation study technical field, and in particular to a kind of buried hill is at hiding Favorable Zones
Evaluation method.
Background technique
Buried hill refers to the basement rock block for the substrate tool positive structure being buried under cap rock of new generation, lives through the earth's crust
Rise protuberance and declines with the earth's crust by degrading and be buried two stages.Currently, being integrated use rock to the research of buried hill
The multidisciplinary data such as the heart, well logging, well logging and earthquake carries out the correlation calibration of individual well conventional logging and imaging data, to buried hill
Lithology is identified, and according to reservoir imaging logging response characteristic, reservoir is divided into from top to bottom and remains band, weathering crust, fracture hole
Slit band, inside story oblique high angle fracture band and compact crystal band, emphasis to reservoir fissure development area and fracture azimuth into
Row description and prediction.The advantage of the Hydrocarbon Formation Reservoirs such as oil sources, reservoir space, cap rock, petroleum conduction by analysis buried hill,
Summarize the Reservoir model of buried hill oil gas.For the genetic type of buried hill, mineralizing evolution, hydrocarbon carrier system research very
It is more, and carried out the different types of division of buried hill.Qian Shanding, Qian Shanpo is divided into according to buried hill reservoir output position, is dived
Mountain inside story three types；According to the transporting condition that buried hill reservoirs are formed, buried hill oil-gas migration migration path system is divided into 4 kinds
Type, respectively breaking type, unconformity type, inside story corrosion stratotype and compound migration path system.Foundation buried hill Fluid Pressure Field,
Buried hill is divided into three kinds of poly- dynamics types of fortune, respectively by the comprehensive study of the features such as fluid-solid coupled model and fluid migration channel
For unconformity connection-style of opening buried hill (I type), tomography channel-semi-open/type semienclosed buried hill (II type) and enclosed type buried hill
(III type).Buried hill is controlled by sunk structure and substrate paleotopography, is divided into central uplift type, faulted-stage type, ramp type three types
Oil-gas accumulation zone.
As the exploration idea of deepening continuously for oil-gas exploration, " source control opinion " experienced more significant development and differentiation.
Formation to oil-gas reservoir and the hydrocarbon source rock for being distributed restrictive function are that thickness is not necessarily very big in sliver neps, but organic matter is rich
Degree is very high, and usual type is also preferable, and mature high quality source rock.High quality source rock layer by tomography, unconformity with
Buried Hill Reservoir directly contacts, and oil gas is directly entered buried hill into hiding through fuel feeding window.The lower pressure coefficient of buried hill is then
The oil gas power that just proximad buried hill fortune is gathered.Buried hill reservoir forming factor (raw, storage, lid) spatially organic unity, pool-forming role
(circle, fortune, protect) matched well in time.Formation time of buried hill trap is early, corresponding high quality source rock buried depth is big,
Abundance of organic matter is high, hydrocarbon window span is big, the life residence phase is long, evolution level is high, provides oil-gas-source at hiding for buried hill
It ensures.Under tomography, the nearly source transporting of plane of unconformity, buried hill Hydrocarbon Formation Reservoirs element has good configuration over time and space
Relationship.As buried hill inside story stratum and fuel feeding window size control the development of the reservoir forming knowledges such as the oily amplitude of buried hill,
And secondary three-dimensional seismic acquisition integrated processing and interpretation technology and buried hill inside story accurately image technology, under balance pressure drilling and high
Effect test etc. technologies progress, buried depth no longer be restrict buried hill exploration short slab, the identification on buried hill inside story stratum with
The FRACTURE PREDICTION of reservoir is also more accurate.
The patent application that publication No. is CN104234707A disclose a kind of burial at hiding probability determination method,
It is the Hydrocarbon Formation Reservoirs probability that research area is determined according to the control hydrocarbon characteristic of hydrocarbon source rock under the control of hydrocarbon source rock single factor test；According to Gu
The control hydrocarbon characteristic of protuberance determines Hydrocarbon Formation Reservoirs probability of the research area under the control of palaeohigh single factor test；According to the oil-control of fracture belt
Gas feature determines Hydrocarbon Formation Reservoirs probability of the research area under the control of fracture belt single factor test；It is true according to the control hydrocarbon characteristic of regional cap rock
Surely Hydrocarbon Formation Reservoirs probability of the research area under the control of regional cap rock single factor test；According to above four kinds of single factor tests control under oil gas at
Hide determine the probability research area burial at hide probability.The prediction technique of the burial is distinguished each single factor test
Hydrocarbon Formation Reservoirs probability assessment has been carried out, multifactor dynamic, comprehensive research is not carried out, to buried hill at the effective of hiding evaluation
Property is still to be tested.
Summary of the invention
The purpose of the present invention is to provide a kind of buried hills into the evaluation method of hiding Favorable Zones, to solve existing ancient latent
Mountain at hiding evaluation method validity difference problem.
To achieve the above object, the technical scheme adopted by the invention is that:
A kind of buried hill at hiding Favorable Zones evaluation method, comprising the following steps:
1) stratum rock signature is analyzed, in conjunction with the data statistics for surveying organic carbon content as a result, determining that high quality source rock exists
The development area band and locating stratigraphic horizon in basin；
2) according to high quality source rock life residence feature, development area band and locating stratum of the high quality source rock in basin are determined
The main row's hydrocarbon thresholding depth in layer position；
3) regional earthquake time section structure interpretation figure is obtained according to seismic profile, drilling well, well-log information parsing, uses speed
Conversion obtains depth geologic section deeply when formula carries out, and determines basin existing ancient hidden mountain structure feature now；
4) basin existing ancient hidden mountain structure feature now is determined according to step 3), restore principle using balanced cross section and work out
Basin different times tectonic evolution sections；
5) it according to basin different times tectonic evolution sections, finds in the main row's hydrocarbon thresholding depth bounds of high quality source rock
The layer position of buried hill determines the layer position thickness that the layer position containing high quality source rock is laterally contacted with buried hill；According to stratum in basin
Geological age data determines duration when each layer of position deposition；
6) duration when layer position thickness determined step 5) and respective layer position deposit carries out product, as buried hill
At hiding evaluation parameter；The evaluation of buried hill Favorable Zones is carried out at hiding evaluation parameter according to buried hill.
It is of the invention based on buried hill at the evaluation method of hiding probability, be according to buried hill in different structural evolutions
Phase studies effective contact area and the period of buried hill and high quality source rock in conjunction with the main row's hydrocarbon thresholding depth of high quality source rock,
To evaluate buried hill at hiding probability size, to carry out the optimizing evaluation of basin buried hill.
The hydrocarbon source rock of organic carbon content (TOC) >=1.0% is generally known as high quality source rock.
In step 1), the analysis stratum rock signature is to analyze basin according to drilling well, well-log information and sedimentology data
The stratum rock signature of development surveys TOC data statistics in conjunction with Dong- pu Depression as a result, determining high quality source rock in the development in basin
Zone and locating stratigraphic horizon.
In step 2), the main row's hydrocarbon thresholding depth of high quality source rock refers to hydrocarbon source rock with the increasing of buried depth, the raising of temperature
It graduallys mature, when source rock evolution level reaches the stage of ripeness, i.e., generation is a large amount of arranges hydrocarbon.Classical hydrocarbon primary rock producing hydrocarbon attribute is thought
As 0.7% < Ro < 1.3%, source rock enters maturity stage concurrent hydrocarbon generation and expulsion.But the range of the canonical statistics is wide, In
In specific application process, the depth bounds only determined with Ro value are wide.
To specific high quality source rock series of strata, the sample of continuous acquisition different buried depth (sample rate is greater than 100 meters 2 pieces)
Rock pyrolysis and chloroform bitumen " A " content analysis are carried out, solvable hydrocarbon and organic carbon content ratio (S1*100/TOC), hydrocarbon are counted
Latent amount and organic carbon content ratio ((S1+S2) * 100/TOC), chloroform bitumen " A " content and organic carbon content ratio (A%*
100/TOC) the relationship of totally three parameters and sample depth, it is high quality hydrocarbon that three parameters, which reach the corresponding sample depth of maximum value,
Main row's hydrocarbon depth of source rock.
In step 3), parses to obtain basin region time section of earthquake according to seismic data and brill well-log information, use speed
Time section of earthquake is converted depth geologic section by formula.
In step 4), principle is restored according to balanced cross section and works out basin different times tectonic evolution sections.The step is root
According to the deformation time of plane of unconformity and Secular growth trend, the line balance that lithology length can be done, soft stratum area of section balance, tomography
Displacement or the strain of shrinkage balance etc. restore to be balanced section.
In step 6), buried hill preference ordering in basin is carried out at the size of hiding evaluation parameter according to buried hill, is determined advantageous
Zone.
Development is found in the main row's hydrocarbon thresholding depth bounds of high quality source rock according to different times tectonic evolution sections
Buried hill is respectively designated as a1, a2, a3 ...；It is laterally right in different times and high quality source rock stratum that each buried hill is counted respectively
The thickness (h) connect, multiplied by the duration (t) of the period sedimentation, the sum of obtained value is cumulative for (Ma), such as: Ma1=
h1*t1+h2*t2+h3*t3…；Ma2=h1 '*t1+h2 '*t2+h3 '*t3…；Ma3=h1 ' '*t1+h2 ' '*t2+h3 ' '*t3…；Last root
It is ranked up from big to small according to each buried hill Ma value, the bigger reflection buried hill of Ma value is higher at hiding probability, determines advantageous
Zone sequence.
A kind of buried hill of the invention is able to reflect high quality source rock and buried hill structure at the evaluation method of hiding Favorable Zones
The contact of evolutionary period is made for hydrocarbon process, it is more reliable to the evaluation validity of basin buried hill Favorable Zones, improve evaluation
As a result accuracy.
Detailed description of the invention
Fig. 1 is the technical solution flow diagram of evaluation method of the invention；
Fig. 2 is regional earthquake time section interpretation scheme (by taking Dong- pu Depression heavy gauge 5 as an example)；
Fig. 3 is regional depth geologic section structure interpretation figure (by taking Dong- pu Depression heavy gauge 5 as an example)；
Fig. 4 is the section now of Dong- pu Depression heavy gauge 5；
Fig. 5 is section before 5 Guantao group of Dong- pu Depression heavy gauge deposits；
Fig. 6 is section before 5 Dongying Formation of Dong- pu Depression heavy gauge deposits；
Fig. 7 is section before 5 S_1 Formation of Dong- pu Depression heavy gauge deposits；
Fig. 8 is section before depositing on 5 sand two of Dong- pu Depression heavy gauge；
Fig. 9 is section before the lower deposition of 5 sand of Dong- pu Depression heavy gauge two；
Figure 10 is section before husky three upper sections of Dong- pu Depression heavy gauge 5 deposit；
Figure 11 is section before husky three middle sections of Dong- pu Depression heavy gauge 5 deposit；
Figure 12 is section before husky three lower sections of Dong- pu Depression heavy gauge 5 deposit；
Figure 13 is section before 5 s_4 formation of Dong- pu Depression heavy gauge deposits；
Figure 14 is the buried hill that section is contacted with high quality source rock now of Dong- pu Depression heavy gauge 5；
Figure 15 is the buried hill that section is contacted with high quality source rock before 5 Guantao group of Dong- pu Depression heavy gauge deposits；
Figure 16 is the buried hill that section is contacted with high quality source rock before 5 Dongying Formation of Dong- pu Depression heavy gauge deposits；
Figure 17 is the buried hill that section is contacted with high quality source rock before 5 S_1 Formation of Dong- pu Depression heavy gauge deposits.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
Embodiment
Dong- pu Depression is the high frequency oscillation salinization fault depressed lacustrine basin of new generation developed in, in Paleozoic basement, recessed
It deposited the Clastic Stratum of Country Rocks based on Paleogene System of huge thickness in sunken forming process.It is basic missing Jurassic Period inside basin, white
Chalk discipline stratum, Paleogene System directly overlays on Middle-Lower Triassic and older stratum, and Lower Paleozoic strata, upper palaeozoic and three
In folded system, the deposition characteristics of the reflections such as lower system it is similar with the other areas in North China.Dong- pu Depression Paleogene Period develops a series of NNE to just
Tomography can be divided into Lanliao fault band, the Yellow River-Wen Xi-Guangcheng fracture belt and placanticline-Shi Jiaji-Song Miao fracture on the whole
Band forms three ancient hidden mountain structure bands, due to the Inheritance activity of fracture, controls SHAHEJIE FORMATION deposition, deposits in low-lying area
Very thick source bed, for buried hill provides the advantage of oil storage.
Buried hill of the invention at hiding Favorable Zones evaluation method specific embodiment, flow diagram as shown in Figure 1, using
Following steps:
1) according to drilling well, well-log information and sedimentology data, the stratum rock signature of Dong- pu Depression Basin Developing, knot are analyzed
Dong- pu Depression actual measurement TOC data statistics is closed as a result, determining that high quality source rock in Dong- pu Depression the north layer position is mainly in dune shape
Sub- section 5-9 sand group, lower Es3, sub- section on s_4 formation, southern layer position be mainly lower Es3, on s_4 formation it is sub-
Section.
In Dong- pu Depression the north, high quality source rock distribution in saliferous area is most wide, is secondly exactly the salt-free area near northern salt lake,
High quality source rock distribution in southern fresh water area is minimum.By the control of structural evolution and depositional environment, different layers position high quality source rock hair
Educate slightly difference.Sub- section high quality source rock is distributed relatively wide in the salt-free area on northern saliferous area and salt lake periphery on s_4 formation,
High quality source rock distribution in southern fresh water area is few；The distribution of lower Es3 high quality source rock is similar to section sub- on s_4 formation, together
Sample is wider in northern saliferous area and saliferous area circumferential distribution, and high quality source rock distribution is reduced compared with section sub- on s_4 formation；
Dune shape Central Asia section 5-9 Sand member high quality source rock compared with section sub- on s_4 formation, lower Es3, sinks in northern saliferous area
Long-pending high quality source rock is relatively fewer, and southern fresh water area and northern salt-free area's high quality source rock distribution are lower.
2) according to Dong- pu Depression high quality source rock life residence feature, development area band and institute of the high quality source rock in basin are determined
The main row's hydrocarbon thresholding depth bounds of the stratigraphic horizon at place are at 2750-4250 meters；
It has chosen and is formed under Dong- pu Depression the north saliferous area, northern salt-free area and three kinds of area of southern fresh water environmental condition respectively
Different abundances of organic matter 6 source rock samples of low mature, carry out Dong- pu Depression heat-press simulation experiment.It is selected in northern saliferous area
Taken defend 18-5 well and defend two organic carbon contents (TOC) of 146 wells respectively 4.45% and 3.29% sample, organic matter class
Type is mainly I type；Exist respectively in two organic carbon contents (TOC) that northern salt-free area has chosen Hu7-18Jing and bridge 38-6 well
2.88% and 2.92%, organic matter type is respectively I type and II 1 types；Two mouthfuls of 9 well of spring and new 8 well are had chosen in southern fresh water area
The sample of well, organic carbon content (TOC) are respectively 1.05% and 0.39%, and organic matter type is respectively II 1 type, III type.As a result it shows
Show that different type hydrocarbon source rock has begun hydrocarbon at 300 DEG C, but hydrocarbon yield is relatively low, with the continuous liter of analog temperature
Height, reaches hydrocarbon peak at 380 DEG C or so, and the hydrocarbon source rock highest hydrocarbon yield of different abundances of organic matter and type shows rule
The distribution of property.
Hydrocarbon source rock expulsive efficiency mainly carries out hydrocarbon amount and residual hydrocarbons quantifier elimination, obtains the big of Hydrocarbon yield by calculating
It is small, and carry out the calculating of expulsive efficiency.By Dong- pu Depression thermal simulation experiment data obtained, it is recessed that eastern Pu has been obtained by calculation
The total oil productivity data of different temperatures stage unit rock are fallen into, according to statistical result, under conditions of hydrocarbon source rock reaches maturation, to having
Machine carbon content (TOC) and unit rock total hydrocarbon maximum output carry out data fitting, thus obtain unit rock maximum Hydrocarbon yield with
The data model of relationship between organic carbon content (TOC): y=9.4672x-3.0197.
To specific high quality source rock series of strata, solvable hydrocarbon and organic carbon content ratio (S1*100/TOC), hydrocarbon are counted
Latent amount and organic carbon content ratio ((S1+S2) * 100/TOC), chloroform bitumen " A " content and organic carbon content ratio (A%*
100/TOC) relationship of totally three parameters and sample depth, three parameters reach the corresponding sample depth range of maximum value and exist
2750-4250 meters.
3) Dong- pu Depression seismic data, drilling well, well-log information are utilized, parsing is obtained with basin region as shown in Figure 2
Shake 5 seismic interpretation figure of heavy gauge for, section pass through from the east to the west Lanliao fault, the city Pu tomography, defend eastern tomography, defend western tomography,
Guangcheng tomography, Song mausoleum tomography etc..Basin Palaeogene Strata is western thin with a thickness of eastern thickness, and Lanliao fault is shovel, and stratum is generally eastern
Incline, development is very complete, and successively westwards onlap is thinned Paleogene System, and cuts and cut under the group of plane of unconformity Guantao, it is seen that remaining Dongying
Group onlap pinching westwards is on central ancient protrusion.Time and depth transfer carried out with speed formula obtain depth geology as shown in Figure 3 cuing open
Face determines that existing buried hill includes the ancient 3 bottom buried hills of dragon of fault-block structure, sees 5 western bottom buried hills and defend now in basin
17 bottom buried hills, the 12 bottom buried hill of bright 209 bottom buried hill and cloud of faulted anticline construction；
4) the depth geologic section obtained by taking heavy gauge 5 as an example according to time and depth transfer restores principle with balanced cross section and compiles
The basin different times tectonic evolution sections (as shown in Fig. 4-Figure 13) of oversize section 5 processed, section can be with before s_4 formation deposits
Find out, buried hill all agensis；Section can be seen that since the activity of Lanliao fault leads to dragon before lower Es3 deposits
Ancient 3 bottom buried hills initially form；Before sub- section deposits on dune shape section can be seen that due to the city Pu tomography, defend eastern tomography,
The intense activity for defending western tomography, Guangcheng tomography, forms that 12 bottom buried hill of cloud, to defend 17 bottom buried hills, bright 209 bottom Gu latent
Mountain；Section, which can be seen that, before Shahejie Formation deposits sees 5 western bottom buried hills since the activity of Song mausoleum tomography forms,
The buried hill of early formation inherits sexual development.After the shaerbuer mountain deposition phase, controls the two of buried hill, three-level faulting and subtract
Weak, shallow-layer four, Pyatyi auxiliary fault are largely developed, but act on very little to the transformation of the buried hill of early formation.
5) main row's hydrocarbon thresholding is found according to the tectonic evolution sections of Dong- pu Depression basin different times by taking heavy gauge 5 as an example
Depth in 2750-4250 meters of ranges with the layer position of high quality source rock (dune shape Central Asia section 5-9 sand group, lower Es3, sand
Four Duan Shangya sections) buried hill of contact, the layer position calculated in each period high quality source rock and the lateral contact range of buried hill be thick
Degree (as shown in Figure 14-Figure 17): heavy gauge 5 defend on section now 17 bottom buried hills be 5-9 in sand three, under sand three, Sha Sishang
Thickness about 1000m is contacted with the Mesozoic group, Permian-carboniferous；12 bottom buried hill of cloud is on section before 5 Guantao group of heavy gauge deposits
Under sand three, Sha Si is upper contacts thickness about 700m with Permian-carboniferous, dragon 3 bottom buried hills of Gu be 5-9 in sand three, under sand three, sand
Thickness about 1100m is contacted with Precambrian system on four；12 bottom buried hill of cloud is under sand three on section before 5 Dongying Formation of heavy gauge deposits
Thickness about 200m is contacted with Permian-carboniferous, and dragon 3 bottom buried hills of Gu are under sand three, the upper contact thickness with Precambrian system of Sha Si
About 400m；On sand two and deposition period before, buried depth is in 2750-4250 meter depth bounds, under no Sha Sanzhong 5-9, sand three, sand
Hydrocarbon source rock is contacted with buried hill on four；
6) according to geological age data in stratum in basin, duration when each layer of position deposition is calculated, specifically such as 1 institute of table
Show；
The geological age of 1 Dong- pu Depression Paleogene System each group section of table
7) when the layer position thickness contacted each period hydrocarbon source rock that step 5) determines with buried hill and respective layer position deposit
Duration carry out product, the value obtained as buried hill at hide evaluation parameter: defend 17 bottom buried hills Guantao group-so far
Period contacts thickness and duration product summation is 17000；12 bottom buried hill of cloud in Dongying Formation period, contact thickness and
Duration product summation is 11200；3 bottom buried hills of imperial Gu contact thickness and duration product are total in Dongying Formation period
Be 17600；12 bottom buried hill of cloud contacts thickness and duration product summation is 400 in a husky period；3 bottoms of imperial Gu
Buried hill contacts thickness and duration product summation is 800 in a husky period；
8) it is ranked up from big to small according to each buried hill at hiding evaluation parameter, it is general at hiding to be worth bigger reflection buried hill
Rate is higher, carries out basin buried hill preference ordering, last preferably to go out Favorable Zones.
In step 8), gained Dong- pu Depression buried hill is as shown in table 2 at hiding evaluation parameter comparison.
2 Dong- pu Depression buried hill of table is at hiding evaluation parameter comparison
According to different times tectonic evolution sections, in high quality source rock 2750-4250 meters of ranges of main row's hydrocarbon thresholding depth
The buried hill (table 2) for finding development, counts what each buried hill was laterally docked in different times with high quality source rock stratum respectively
Thickness, multiplied by the duration of the period sedimentation, obtained value is added up as the buried hill at hiding evaluation parameter, most
It is ranked up from big to small according to each buried hill parameter value afterwards, the bigger reflection buried hill of value is higher at hiding probability, determines
Favorable Zones sequence is from big to small successively are as follows: 1 bottom buried hill (31400) of Dong, recklessly 59 bottom buried hills (30000), preceding 1 bottom
Buried hill (25150), the ancient 3 bottom buried hills (18400) of dragon, defends 17 bottom buried hills at literary 250 bottom buried hills (23300)
(17000), master mausoleum buried hill (16400), 12 bottom buried hill (11600) of cloud.
Claims (4)
1. a kind of buried hill is at the evaluation method of hiding Favorable Zones, which comprises the following steps:
1) stratum rock signature is analyzed, in conjunction with the data statistics for surveying organic carbon content as a result, determining high quality source rock in basin
Development area band and locating stratigraphic horizon；
2) according to high quality source rock life residence feature, determine high quality source rock in the development area band and locating stratigraphic horizon in basin
Main row's hydrocarbon thresholding depth；
3) regional earthquake time section structure interpretation figure is obtained according to seismic profile, drilling well, well-log information parsing, uses speed formula
Conversion obtains depth geologic section deeply when progress, determines basin existing ancient hidden mountain structure feature now；
4) basin existing ancient hidden mountain structure feature now is determined according to step 3), restore principle using balanced cross section and work out basin
Different times tectonic evolution sections；
5) according to basin different times tectonic evolution sections, the Gu found in the main row's hydrocarbon thresholding depth bounds of high quality source rock is latent
The layer position on mountain determines the layer position thickness that the layer position containing high quality source rock is laterally contacted with buried hill；According to stratum geology in basin
Age data determines duration when each layer of position deposition；
6) duration when layer position thickness determined step 5) and respective layer position deposit carries out product, as buried hill at hiding
Evaluation parameter；The evaluation of buried hill Favorable Zones is carried out at hiding evaluation parameter according to buried hill.
2. buried hill as described in claim 1 is at the evaluation method of hiding Favorable Zones, which is characterized in that described in step 1)
Analysis stratum rock signature is to analyze the stratum rock signature of Basin Developing according to well-log information and sedimentology data is bored.
3. buried hill as described in claim 1 is at the evaluation method of hiding Favorable Zones, which is characterized in that described in step 1)
High quality source rock is determined in the development area band and locating stratigraphic horizon in basin, is to combine actual measurement organic according to stratum rock signature
Carbon content data statistics result.
4. buried hill as described in claim 1 is at the evaluation method of hiding Favorable Zones, which is characterized in that in step 6), according to
Buried hill carries out basin buried hill preference ordering at the size of hiding evaluation parameter, determines Favorable Zones.
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| CN114215513A (en) * | 2022-02-21 | 2022-03-22 | 中海油研究总院有限责任公司 | Quantitative determination method, device, medium and equipment for buried hill oil reservoir mode |
| CN114215513B (en) * | 2022-02-21 | 2022-05-10 | 中海油研究总院有限责任公司 | Quantitative discrimination method, device, medium and equipment for buried hill reservoir mode |
| WO2023155501A1 (en) * | 2022-02-21 | 2023-08-24 | 中海油研究总院有限责任公司 | Quantitative determination method and apparatus for buried hill oil reservoir mode, and medium and device |
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