CN107422374A - A kind of sags rich in oil and gas slope belt fine granularing scalability method - Google Patents

A kind of sags rich in oil and gas slope belt fine granularing scalability method Download PDF

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CN107422374A
CN107422374A CN201710267647.4A CN201710267647A CN107422374A CN 107422374 A CN107422374 A CN 107422374A CN 201710267647 A CN201710267647 A CN 201710267647A CN 107422374 A CN107422374 A CN 107422374A
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msub
oil
mrow
slope
gas
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赵贤正
周立宏
蒲秀刚
金凤鸣
姜文亚
肖敦清
陈长伟
韩文中
杨飞
张伟
柳飒
时战楠
王建柱
牟智全
曲宁
代昆
邹磊落
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Research Institute Of Petroleum Exploration & Development Dagang Oil Field Of Cnpc
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Research Institute Of Petroleum Exploration & Development Dagang Oil Field Of Cnpc
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28Processing seismic data, e.g. analysis, for interpretation, for correction
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28Processing seismic data, e.g. analysis, for interpretation, for correction
    • G01V1/30Analysis
    • G01V1/306Analysis for determining physical properties of the subsurface, e.g. impedance, porosity or attenuation profiles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/40Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00Details of seismic processing or analysis
    • G01V2210/60Analysis
    • G01V2210/61Analysis by combining or comparing a seismic data set with other data
    • G01V2210/616Data from specific type of measurement
    • G01V2210/6169Data from specific type of measurement using well-logging
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00Details of seismic processing or analysis
    • G01V2210/60Analysis
    • G01V2210/62Physical property of subsurface
    • G01V2210/624Reservoir parameters

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
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Abstract

The present invention relates to a kind of sags rich in oil and gas slope belt fine granularing scalability method, belong to oil and gas exploration technical field, the described method comprises the following steps:1) reconstruction of sags rich in oil and gas basic geology and quantitatively characterizing, divide ramp unit;2) slope belt internal fine divides;3) the slope belt fine evaluation under high-resolution sequence screen work, " Source fault+depositional trap joint control Tibetan+favorab1e sandbadies " comprehensive identification enrichment high yield block is extracted from three Oil-gas source, migration pathway and sedimentary facies key elements.The invention is using overall to local method, and progressively Study on thinning target, has Consideration comprehensive, the characteristics of being easy to standard operation flow, can effectively identify efficient reserves area, technical support is provided for oil-gas exploration and development.

Description

A kind of sags rich in oil and gas slope belt fine granularing scalability method
Technical field
The present invention relates to a kind of exploitation method, specially a kind of sags rich in oil and gas slope belt fine granularing scalability method, belong to stone Oily natural gas exploration technical field.
Background technology
Garden basin is the main oil-gas bearing basin type of east China, and it is mainly characterized by developing, and multiple lists are disconnected or double break Half graben rift, slope belt is its important structural unit, and the Main way of oil-gas migration.As more than 40 years are large-scale Exploration and development, the high stage of ripeness is reached, the difficulty that structural deposit is found is increasing, slope belt stratum-lithology oil gas Hide turns into the important scale increasing the storage field of Bohai gulf basin.Although current most of exploratory area comes into the high exploration phase, closely Finely surveyed by slope belt over year and be successively found that several hundred million tonnes of scale reserves areas in Bohai gulf basin slope belt.But surveyed in height Under spy degree, subject matter existing for slope belt fine granularing scalability is how science segments evaluation unit, summarizes different type slope Exploration research basic skills instructs favo(u)rable target preferred.For problem above, it is contemplated that it is oblique to form a kind of sags rich in oil and gas Slope band fine granularing scalability method.
The content of the invention
The purpose of the present invention is that to solve the above problems and provides a kind of sags rich in oil and gas slope belt fine granularing scalability Method, carry out fine dissection by emphasis of large-scale gentle slope belt, sum up fault depressed lacustrine basin slope belt oil gas fine granularing scalability method, find High-yield and high-efficiency reserves, realize old filed stable yields.
The present invention is achieved through the following technical solutions above-mentioned purpose:A kind of sags rich in oil and gas slope belt fine granularing scalability side Method, it is characterised in that comprise the following steps:
1) reconstruction of sags rich in oil and gas basic geology and quantitatively characterizing;
2) slope belt finely divides;
3) the slope belt fine evaluation under high-resolution sequence screen work.
In step 1), sags rich in oil and gas basic geology is rebuild and quantitatively characterizing, employs following sub-step:
1a) be recessed tectonic geology research:By large area, D seismic data processing with explaining, implements depression knot in flakes Structure, structural high and depression low spot are divided into sloped region;
1b) depression deposition reservoir study:Shaken using well and combine the sedimentary system industrialization drawing for carrying out third-band sequence screen work With Comprehensive Evaluation of Reservoir, favorable sedimentary facies belt is specified;
1c) resources potential of sag is studied:Comprehensively utilize paleao-water depth, extinct plants and animal, trace element, Geochemistry Parameters, stratum Shui Kuang The data such as change degree, carry out into hydrocarbon Environmental Studies, the major control factors and macroscopic view for determining high quality source rock development are distributed, by not Same level source rock hydrocarbon contributes quantitatively characterizing, specifies Hydrocarbon Resources Potential;
1d) construction, deposition reservoir and the resource potential evaluation result under comprehensive depression third-band sequence screen work, it is determined that favorably surveying Visit ramp unit.
In step 2), slope belt finely divides, including following two aspects content:
2a) large-scale three points of property in gentle slope quantitatively divide:From the rate of settling, Sedimentary facies sequences, reservoir properties, hydrocarbon evolution, stratum Slope is divided into high slope, middle slope and low slope by the aspect of pressure, fluid properties, Oil-gas Accumulation Types etc. seven;High slope buried depth Less than 2500m, organic carbon content is less than 0.5%, and reservoir porosity is more than 20%, predominantly secondary pool;Middle slope buried depth Between 2500~4800m, organic carbon content is between 0.5~1.2%, and reservoir porosity is between 10~20%, predominantly Primary~secondary pool;Low slope buried depth is more than 4500m, and organic carbon content is more than 1.2%, and reservoir porosity is less than 10%, Predominantly primary reservoir (fine and close oil gas).
2b) different slope belt Hydrocarbon Enrichment Regularities:High slope groove control sand, advantage migration convergence are mutually enriched with;Middle slope slope Folding control sand, advantage construction lithology are mutually enriched with;Control sand is far fanned on low slope, and the storage coupling of advantage source is mutually enriched with.
In step 3), the slope belt fine evaluation under high-resolution sequence screen work, including following sub-step:
Pyatyi sequence (Sand member rank, 30~50m) 3a) is established in ramp unit;
3b) under Pyatyi Sequence Stratigraphic Formation, construction industrialization drawing is carried out;
3c) under Pyatyi Sequence Stratigraphic Formation, fine study of reservoir is deposited:Utilize " seismic facies, well logging phase, rock core phase with it is microcosmic Structure phase " forms sedimentary micro fusion and sentences knowledge technology, establishes sedimentary system industrialization drawing under full depression third-band sequence screen work, leads to Cross quantitative structure deposition evaluation number SBI, reservoir physical evaluation number RPI, the high-quality storage of Evaluation of source rocks index SRI overall merits Layer distribution, implements favorable sedimentary facies belt.
Wherein: In formula, StwIt is different sandstone percentages than weighted value, S for different sandstone thickness weighted valuesPwFor the average thickness in monolayer weight of difference Value, dcFor conglomerate thickness, dcsFor medium coarse sand rock thickness, dfsFor packsand thickness, dsFor siltstone thickness;
In formula, α1For the sample number of φ >=25%, α2For 20%≤φ < 25% sample number, α3For 15%≤φ < 20% sample number, α4For 10%≤φ < 15% sample number, α5For 5%≤φ < 10% sample number, α6For φ < 5% Sample number, β1For the sample number of K >=500 × 10-3 μm 2, β2For 100 × 10-3≤K < 500 × 10-3 μm 2 sample number, β3 For 100 × 10-3≤K < 100 × 10-3 μm 2 sample number, β4For 1 × 10-3≤K < 10 × 10-3 μm 2 sample number, β5For 0.1 × 10-3≤K < 1 × 10-3 μm 2 sample number, β6For K < 0.1 × 10-3 μm 2 sample number;
In formula:A1For thickness G T.GT.GT 100m dark mud rock planar distribution area;A2For thickness < 100m dark mud rock plane Spread area;A3To there is the planar distribution area that oil shale is developed;A4For the planar distribution area of barren shale development;A5For Ro >=0.7% planar distribution area;A6For 0.5%≤Ro < 0.7% planar distribution area;A7For Ro < 0.5% plane exhibition Cloth area;A8For the planar distribution area of TOC >=0.5%;A8For TOC < 0.8% planar distribution area;ATFor the total face of lobe Product.
3d) Hydrocarbon Formation Reservoirs scrutiny:Build slope belt prospective and target area oil-gas accumulation degree and depend on Oil-gas source, fortune Three Mobile Communication road, sedimentary facies key elements, integrated using " Source fault+depositional trap joint control Tibetan+favorab1e sandbadies " three elements Identification enrichment high yield block.
The beneficial effects of the invention are as follows:The sags rich in oil and gas slope belt fine granularing scalability method is reasonable in design, is arrived using overall Local method, progressively Study on thinning target, has Consideration comprehensive, the characteristics of being easy to standard operation flow, can be effective Efficient reserves area is identified, technical support is provided for oil-gas exploration and development.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, a kind of sags rich in oil and gas slope belt fine granularing scalability method,
Data collection:This research method builds on large-area three-dimensional in flakes on geological data, collects and gathers newest discrimination mouth Be recessed three dimensional seismic data 3400km2, 1031 mouthfuls of drilling well, well logging, 956 mouthfuls of log data, various test assay data 13021 Bar.
Shipyard Park basic geology is rebuild with quantifying exterior syndrome, is divided into following four sub-step:
2a) be recessed tectonic geology research:
1a) be recessed tectonic geology research:By large area, D seismic data processing with explaining, implements depression knot in flakes Structure, structural high and depression low spot are divided into sloped region;Each sloped region border is determined by paleogeomorphological map.
1b) depression deposition reservoir study:Shaken using well and combine the sedimentary system industrialization drawing for carrying out third-band sequence screen work With Comprehensive Evaluation of Reservoir, concave interior major developmental ALLUVIAL FAN SYSTEM, fluvial system, delta regime, gravity stream system, lake System and marsh system, sedimentary system inner skeleton sand body are the main reservoirs of Shipyard Park:Major trough, side in ALLUVIAL FAN SYSTEM Edge groove, groove beach are effective reservoir sandbody;Channel lag deposit, point bar channel bar, natural levee are effective reservoir sandbody in fluvial system; Distributary channel, distributary channel, estuary dam, sheet sand are effective reservoir sandbody in delta regime;It is main in gravity stream system Water channel, natural levee braided stream, without water channel area sheet sand, block sand body, slump lenticular body it is effective reservoir sandbody;Lake system Middle clastic rock beach dam, carbonate bank dam, organic reef are effective reservoir sandbody.Using lithology, well logging, seismic data, in three-level Under sequence stratigraphic framework, each series of strata Study of Depositional System is carried out, determines sedimentary facies planar distribution, and then delineation reservoir can Developable scope.
1c) resources potential of sag is studied:Comprehensively utilize paleao-water depth, extinct plants and animal, trace element, Geochemistry Parameters, stratum Shui Kuang The data such as change degree, carry out into hydrocarbon Environmental Studies, the major control factors and macroscopic view for determining high quality source rock development are distributed, by not Same level source rock hydrocarbon contributes quantitatively characterizing, specifies Hydrocarbon Resources Potential;
1d) construction, deposition reservoir and the resource potential evaluation result under comprehensive depression third-band sequence screen work, by structural unit Figure, sedimentary system figure and resource potential figure overlapping, it is determined that 5 favorable exploration object areas, i.e.,:Bei Tang slopes, slab bridge slope, discrimination Northern slope, discrimination south slope and Cheng Bei slopes.
It is determined that after favorable exploration ramp unit, slope belt is further finely divided:From the rate of settling, Sedimentary facies sequences, storage Slope is divided into high slope, middle slope by the aspect of layer physical property, hydrocarbon evolution, strata pressure, fluid properties, Oil-gas Accumulation Types etc. seven With low slope, high slope buried depth is less than 2500m, and organic carbon content is less than 0.5%, and reservoir porosity is more than 20%, position master Sand body, hydrocarbon source rock inferior quality, oil gas low slope in by plane of unconformity and tomography are conveyed to concave interior by groove To high-order bit freight index future, predominantly secondary pool;Middle slope buried depth is between 2500~4800m, and organic carbon content is 0.5 Between~1.2%, reservoir porosity is between 10~20%, and sand body is assembled at Slope break belt, supertype sand body in formation, and reservoir is close Hydrocarbon source rock, easily form nearly source lithologic deposit (primary-secondary pool);Low slope buried depth is more than 4500m, and organic carbon content is big In 1.2%, reservoir porosity is less than 10%, and sand body is controlled by remote bank subaqueous fans, the development of advantage source rock, easily forms primary reservoir (fine and close oil gas).
Exploration target is focused in ramp unit by step 1, step 2 further segments ramp unit, for It is high, in, in the slope of bottom migration and accumulation difference, pass through step 3 and refine longitudinal research unit, find favorable exploration areas.Tiltedly Slope belt fine evaluation under the high-resolution sequence screen work of slope, including following sub-step:
It is further thin with data such as well logging, earthquake paleontological fossils 3a) on three-level, fourth level sequence screen work basis Change stratigraphic unit, establish Pyatyi Sequence Stratigraphic Formation in slope belt, vertical resolution is improved to Sand member rank (single Pyatyi sequence Thickness is between 30~50m);
3b) carry out deposition fine study of reservoir under Pyatyi Sequence Stratigraphic Formation:Utilize " seismic facies, well logging phase, rock core phase with it is micro- See structure phase " form sedimentary micro and merge and sentence knowledge technology, establish sedimentary system industrialization under full depression Pyatyi Sequence Stratigraphic Formation and chart, Evaluation number SBI, reservoir physical evaluation number RPI, Evaluation of source rocks index SRI overall merits sand one are deposited by quantitative structure The lower oil of shore 1 group High-quality Reservoir distribution, determines I class exploration area 40km2, II 1 class exploration area 60km2, I 2 class exploration area 65km2
3d) Hydrocarbon Formation Reservoirs scrutiny:Build slope belt prospective and target area oil-gas accumulation degree and depend on Oil-gas source, fortune Three Mobile Communication road, sedimentary facies key elements, using " Source fault+depositional trap joint control Tibetan+favorab1e sandbadies " in Spatial Overlap Relation, comprehensive delineation enrichment high yield block.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It is appreciated that other embodiment.

Claims (5)

  1. A kind of 1. sags rich in oil and gas slope belt fine granularing scalability method, it is characterised in that comprise the following steps:
    1) reconstruction of sags rich in oil and gas basic geology and quantitatively characterizing;
    2) slope belt finely divides;
    3) the slope belt fine evaluation under high-resolution sequence screen work.
  2. 2. sags rich in oil and gas slope belt fine granularing scalability method according to claim 1, it is characterised in that:In step 1), Structural high and depression low spot are divided into sloped region, by following the trail of each ramp unit structural high, delineation ramp unit border Scope.
  3. A kind of 3. sags rich in oil and gas slope belt fine granularing scalability method according to claim 1, it is characterised in that:In step 2) In, for the ramp unit band delimited in step 1, it is laminated with developing from the rate of settling, Sedimentary facies sequences, reservoir properties, hydrocarbon Ramp unit is divided into high slope, middle slope and three, low slope region by power fluid properties, the aspect feature of Oil-gas Accumulation Types seven;
    High slope buried depth is less than 2500m, and organic carbon content is less than 0.5%, and reservoir porosity is more than 20%;High slope buried depth exists Between 2500~4800m, organic carbon content is between 0.5~1.2%, and reservoir porosity is between 10~20%;
    High slope buried depth is more than 4500m, and organic carbon content is more than 1.2%, and reservoir porosity is less than 10%.
  4. A kind of 4. sags rich in oil and gas slope belt fine granularing scalability method according to claim 1, it is characterised in that:In step 3) In, Pyatyi Sequence Stratigraphic Formation is established inside ramp unit, longitudinal unit control is between 30~50m, in Pyatyi sequence unit It is high-quality that evaluation number SBI, reservoir physical evaluation number RPI, Evaluation of source rocks index SRI overall merits are deposited by quantitative structure Reservoir distribution;
    Wherein:
    In formula, StwIt is different sandstone percentages than weighted value, S for different sandstone thickness weighted valuesPwWeighed for the average thickness in monolayer of difference Weight values, dcFor conglomerate thickness, dcsFor medium coarse sand rock thickness, dfsFor packsand thickness, dsFor siltstone thickness;
    <mrow> <mi>R</mi> <mi>P</mi> <mi>I</mi> <mo>=</mo> <mroot> <mrow> <mfrac> <mrow> <msub> <mi>&amp;alpha;</mi> <mn>1</mn> </msub> <mo>+</mo> <mn>0.8</mn> <msub> <mi>&amp;alpha;</mi> <mn>2</mn> </msub> <mo>+</mo> <mn>0.6</mn> <msub> <mi>&amp;alpha;</mi> <mn>3</mn> </msub> <mo>+</mo> <mn>0.4</mn> <msub> <mi>&amp;alpha;</mi> <mn>4</mn> </msub> <mo>+</mo> <mn>0.2</mn> <msub> <mi>&amp;alpha;</mi> <mn>5</mn> </msub> </mrow> <mrow> <msub> <mi>&amp;alpha;</mi> <mn>1</mn> </msub> <mo>+</mo> <msub> <mi>&amp;alpha;</mi> <mn>2</mn> </msub> <mo>+</mo> <msub> <mi>&amp;alpha;</mi> <mn>3</mn> </msub> <mo>+</mo> <msub> <mi>&amp;alpha;</mi> <mn>4</mn> </msub> <mo>+</mo> <msub> <mi>&amp;alpha;</mi> <mn>5</mn> </msub> <mo>+</mo> <msub> <mi>&amp;alpha;</mi> <mn>6</mn> </msub> </mrow> </mfrac> <mo>&amp;times;</mo> <mfrac> <mrow> <msub> <mi>&amp;beta;</mi> <mn>1</mn> </msub> <mo>+</mo> <mn>0.8</mn> <msub> <mi>&amp;beta;</mi> <mn>2</mn> </msub> <mo>+</mo> <mn>0.6</mn> <msub> <mi>&amp;beta;</mi> <mn>3</mn> </msub> <mo>+</mo> <mn>0.4</mn> <msub> <mi>&amp;beta;</mi> <mn>4</mn> </msub> <mo>+</mo> <mn>0.2</mn> <msub> <mi>&amp;beta;</mi> <mn>5</mn> </msub> </mrow> <mrow> <msub> <mi>&amp;beta;</mi> <mn>1</mn> </msub> <mo>+</mo> <msub> <mi>&amp;beta;</mi> <mn>2</mn> </msub> <mo>+</mo> <msub> <mi>&amp;beta;</mi> <mn>3</mn> </msub> <mo>+</mo> <msub> <mi>&amp;beta;</mi> <mn>4</mn> </msub> <mo>+</mo> <msub> <mi>&amp;beta;</mi> <mn>5</mn> </msub> <mo>+</mo> <msub> <mi>&amp;beta;</mi> <mn>6</mn> </msub> </mrow> </mfrac> </mrow> <mn>2</mn> </mroot> </mrow>
    In formula, α1ForSample number, α2ForSample number, α3ForSample number, α4ForSample number, α5For Sample Product number, α6ForSample number, β1For the sample number of K >=500 × 10-3 μm 2, β2For 100 × 10-3≤K < 500 × 10-3 μm 2 of sample number, β3For 100 × 10-3≤K < 100 × 10-3 μm 2 sample number, β4For 1 × 10-3≤10 × 10- of K < 3 μm 2 of sample number, β5For 0.1 × 10-3≤K < 1 × 10-3 μm 2 sample number, β6For K < 0.1 × 10-3 μm 2 sample number;
    <mrow> <mi>S</mi> <mi>R</mi> <mi>I</mi> <mo>=</mo> <mfrac> <mroot> <mrow> <mo>(</mo> <msub> <mi>A</mi> <mn>1</mn> </msub> <mo>+</mo> <mn>0.1</mn> <msub> <mi>A</mi> <mn>2</mn> </msub> <mo>)</mo> <mo>&amp;times;</mo> <mo>(</mo> <msub> <mi>A</mi> <mn>3</mn> </msub> <mo>+</mo> <mn>0.1</mn> <msub> <mi>A</mi> <mn>4</mn> </msub> <mo>)</mo> <mo>&amp;times;</mo> <mo>(</mo> <msub> <mi>A</mi> <mn>5</mn> </msub> <mo>+</mo> <mn>0.6</mn> <msub> <mi>A</mi> <mn>6</mn> </msub> <mo>+</mo> <mn>0.2</mn> <msub> <mi>A</mi> <mn>6</mn> </msub> <mo>)</mo> <mo>&amp;times;</mo> <mo>(</mo> <msub> <mi>A</mi> <mn>7</mn> </msub> <mo>+</mo> <mn>0.1</mn> <msub> <mi>A</mi> <mn>8</mn> </msub> <mo>)</mo> </mrow> <mn>4</mn> </mroot> <msub> <mi>A</mi> <mi>T</mi> </msub> </mfrac> </mrow>
    In formula:A1For thickness G T.GT.GT 100m dark mud rock planar distribution area;A2For thickness < 100m dark mud rock planar distribution Area;A3To there is the planar distribution area that oil shale is developed;A4For the planar distribution area of barren shale development;A5For Ro >= 0.7% planar distribution area;A6For 0.5%≤Ro < 0.7% planar distribution area;A7For Ro < 0.5% planar distribution Area;A8For the planar distribution area of TOC >=0.5%;A8For TOC < 0.8% planar distribution area;ATFor the lobe gross area.
  5. A kind of 5. sags rich in oil and gas slope belt fine granularing scalability method according to claim 1, it is characterised in that:In step 3) In, extract that " Source fault+depositional trap joint control is hidden+has from three Oil-gas source, migration pathway and sedimentary facies key elements The comprehensive identification enrichment high yield block of sharp sand body ".
CN201710267647.4A 2017-04-21 2017-04-21 A kind of sags rich in oil and gas slope belt fine granularing scalability method Pending CN107422374A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108487903A (en) * 2018-01-08 2018-09-04 中国石油大港油田勘探开发研究院 A kind of gentle slope area oil gas advantage dust trajectory quantitatively portrays characterizing method
CN108490484A (en) * 2018-02-26 2018-09-04 中国石油化工股份有限公司 The method for being directed to the dissection of garden basin mature exploration area reserves clear area
CN108680956A (en) * 2018-01-08 2018-10-19 中国石油大港油田勘探开发研究院 A kind of oil rich subdepression mature exploration area entirety exploitation method
CN109800451A (en) * 2018-12-12 2019-05-24 中国石油化工股份有限公司 High degree of prospecting area exploration strata dividing elements method
CN110568150A (en) * 2019-04-28 2019-12-13 中国石油天然气股份有限公司 Oil shale identification method and device
CN111101924A (en) * 2019-11-15 2020-05-05 中国石油天然气股份有限公司大港油田分公司 Lithologic reservoir dominant facies band prediction method and device
CN114252431A (en) * 2020-09-21 2022-03-29 中国石油天然气股份有限公司 Method for determining migration path of hydrocarbon-containing hydrothermal fluid in stratum

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110232902A1 (en) * 2009-06-02 2011-09-29 Dezhi Chu Estimating reservoir properties from 4d seismic data
CN103454685A (en) * 2013-08-09 2013-12-18 中国石油天然气股份有限公司 Method and device for predicating sand body thicknesses through logging constraint wave impedance inversion
CN105334535A (en) * 2015-11-13 2016-02-17 中国石油化工股份有限公司 Method for identifying thin-reservoir subtle lithologic oil and gas reservoir

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110232902A1 (en) * 2009-06-02 2011-09-29 Dezhi Chu Estimating reservoir properties from 4d seismic data
CN103454685A (en) * 2013-08-09 2013-12-18 中国石油天然气股份有限公司 Method and device for predicating sand body thicknesses through logging constraint wave impedance inversion
CN105334535A (en) * 2015-11-13 2016-02-17 中国石油化工股份有限公司 Method for identifying thin-reservoir subtle lithologic oil and gas reservoir

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
周立宏 等: "陆相断陷油气勘探有利目标区三元定量评价方法应用——以沧东凹陷古近系孔二段为例", 《成都理工大学学报(自然科学版)》 *
赵贤正 等: "断陷湖盆斜坡区油气富集理论与勘探实践——以黄骅坳陷古近系为例", 《中国石油勘探》 *
赵贤正 等: "断陷盆地弱构造区地质特征与油气成藏——以冀中坳陷为例", 《天然气地球科学》 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108487903A (en) * 2018-01-08 2018-09-04 中国石油大港油田勘探开发研究院 A kind of gentle slope area oil gas advantage dust trajectory quantitatively portrays characterizing method
CN108680956A (en) * 2018-01-08 2018-10-19 中国石油大港油田勘探开发研究院 A kind of oil rich subdepression mature exploration area entirety exploitation method
CN108490484A (en) * 2018-02-26 2018-09-04 中国石油化工股份有限公司 The method for being directed to the dissection of garden basin mature exploration area reserves clear area
CN108490484B (en) * 2018-02-26 2020-03-17 中国石油化工股份有限公司 Method for dissection of blank space of mature exploration area of fractured basin
CN109800451A (en) * 2018-12-12 2019-05-24 中国石油化工股份有限公司 High degree of prospecting area exploration strata dividing elements method
CN109800451B (en) * 2018-12-12 2021-11-16 中国石油化工股份有限公司 High-exploration-degree area exploration layer unit dividing method
CN110568150A (en) * 2019-04-28 2019-12-13 中国石油天然气股份有限公司 Oil shale identification method and device
CN110568150B (en) * 2019-04-28 2022-03-01 中国石油天然气股份有限公司 Oil shale identification method and device
CN111101924A (en) * 2019-11-15 2020-05-05 中国石油天然气股份有限公司大港油田分公司 Lithologic reservoir dominant facies band prediction method and device
CN114252431A (en) * 2020-09-21 2022-03-29 中国石油天然气股份有限公司 Method for determining migration path of hydrocarbon-containing hydrothermal fluid in stratum
CN114252431B (en) * 2020-09-21 2024-03-26 中国石油天然气股份有限公司 Method for determining migration path of hydrocarbon-containing hot fluid in stratum

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