CN106437690A - Method and device for determining three-dimensional spatial distribution of trigonal facies of braided river - Google Patents
Method and device for determining three-dimensional spatial distribution of trigonal facies of braided river Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 208000035126 Facies Diseases 0.000 title claims abstract description 22
- 239000011229 interlayer Substances 0.000 claims abstract description 215
- 230000035699 permeability Effects 0.000 claims description 29
- 230000002269 spontaneous effect Effects 0.000 claims description 27
- 230000005251 gamma ray Effects 0.000 claims description 26
- 239000010410 layer Substances 0.000 claims description 17
- 239000003208 petroleum Substances 0.000 abstract description 2
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- 238000012153 long-term therapy Methods 0.000 description 1
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Abstract
The invention discloses a method and a device for determining three-dimensional spatial distribution of a braided river delta facies reservoir structure, and belongs to the technical field of petroleum. The method comprises the following steps: acquiring characteristic curves of all wells of the triangular river facies; adopting a half-width point layering principle for characteristic curves of all wells to obtain position data of reservoirs, interlayers and interlayers of all wells; establishing a geological model of the braided river delta facies according to the position data of the reservoir, the interlayer and the interlayer of all wells; and determining the three-dimensional space distribution of the reservoir, the interlayer and the interlayer of the braided river delta facies according to the geological model of the braided river delta facies. The method solves the problem that the established geological model is inaccurate, achieves the effect of improving the accuracy of the geological model, and is used for determining the three-dimensional space distribution of the braided river delta facies reservoir, the interlayer and the interlayer.
Description
Technical field
The present invention relates to petroleum technology field, true particularly to a kind of braided river delta three-dimensional spatial distribution
Determine method and device.
Background technology
The stratum of braided river delta includes reservoir and interlayer, and reservoir is sandstone, and interlayer is mud stone, related
In technology, by the way of Geologic modeling, the three-dimensional spatial distribution of the reservoir to braided river delta and interlayer is entered
Row description.
Example, can determine the positional number of reservoir and interlayer in all wells in this braided river delta first
According to.Then the position data of the reservoir according to this all well and interlayer sets up the geology of this braided river delta
Model, and this braided river delta reservoir, interlayer are determined according to the geological model of this braided river delta
Three-dimensional spatial distribution with interlayer.Example, determine all wells of this braided river delta in reservoir and every
During the position data of layer, the gamma ray curve to well and spontaneous potential curve are drawn using maximum layering principle
Divide substratum, now, the substratum upper and lower part being divided is mud stone, and middle part is sandstone, and mud stone is corresponding
Position data in well as the position data of well internal portioning layer, using the position data in corresponding for sandstone well as
The position data of reservoir in well.
Due to so the accurate location that principle cannot determine reservoir and interlayer is layered using maximum, being set up
There is error with the actual geological condition of braided river delta in geological model, therefore, the geological model of foundation
Accurately fixed relatively low.
Content of the invention
In order to solve the less accurate problem of geological model set up, the invention provides a kind of braided stream triangle
Continent phase three-dimensional spatial distribution determines method and device.Described technical scheme is as follows：
On the one hand, there is provided a kind of braided river delta three-dimensional spatial distribution determines method, methods described bag
Include：
Obtain the characteristic curve of all wells of braided river delta；
Adopt half range point to be layered principle the characteristic curve of described all wells, obtain described all wells reservoir,
Interlayer and the position data of interlayer；
The position data of reservoir, interlayer and interlayer according to described all wells, sets up described braid deltas
The geological model of phase；
Determine the three dimensions of described braided river delta according to the geological model of described braided river delta
Distribution.
Optionally, described characteristic curve includes：Gamma ray curve, spontaneous potential curve and permeability curve,
The described characteristic curve to described all wells adopt half range point be layered principle, obtain described all wells reservoir,
Interlayer and the position data of interlayer, including：
Described gamma ray curve, described spontaneous potential curve and permeability curve are adopted the layering of half range point former
Then, determine the position data of the reservoir of described all wells and the interlayer of described all wells；
To described gamma ray curve, described spontaneous potential curve and described permeability curve using half range point minute
Layer principle combines thickness of interlayer principle and return degree principle, determines the position data of the interlayer of described all wells.
Optionally, the described characteristic curve to described all wells adopts half range point to be layered principle, obtains described institute
There is the position data of reservoir, interlayer and the interlayer of well, including：
Adopt half range point to be layered principle the characteristic curve of described braided river delta standard well, determine described
The position data of the reservoir of standard well, interlayer and interlayer；
With reference to the characteristic curve of the reservoir, interlayer and interlayer of described standard well, to removing described standard in all wells
The characteristic curve of other wells outside well adopts half range point to be layered principle, determines reservoir, the interlayer of other wells described
Position data with interlayer.
Optionally, the position data of described reservoir, interlayer and interlayer according to described all wells, sets up described
The geological model of braided river delta, including：
The position data of the reservoir according to all wells of described braided river delta, sets up described braided stream triangle
The reservoir model of continent phase；
The position data of the interlayer according to all wells of described braided river delta, sets up described braided stream triangle
The interlayer model of continent phase；
The position data of the interlayer according to all wells of described braided river delta, sets up described braided stream triangle
The sandwich mould of continent phase；
According to described reservoir model, interlayer model and described sandwich mould, set up described braided river delta
Geological model.
Optionally, the position data of the described reservoir according to all wells of described braided river delta, sets up institute
State the reservoir model of braided river delta, including：
According to the reservoir position data of all wells of described braided river delta, described pigtail is set up with preset mode
The reservoir model of shape river delta facies, described preset mode includes：Lateral Splicing model, lateral compartmented mode,
Progradation pattern formula or accretion pattern formula.
Second aspect, there is provided a kind of braided river delta three-dimensional spatial distribution determines device, described device
Including：
Acquisition module, for obtaining the characteristic curve of all wells of braided river delta；
Obtain module, for adopting half range point to be layered principle the characteristic curve of described all wells, obtain described
The position data of the reservoir of all wells, interlayer and interlayer；
Set up module, for the position data of reservoir, interlayer and interlayer according to described all wells, set up institute
State the geological model of braided river delta；
Determining module, for determining described braided stream according to the geological model in described braided river delta area
The three-dimensional spatial distribution of delta facies.
Optionally, described characteristic curve includes：Gamma ray curve, spontaneous potential curve and permeability curve,
The described module that obtains is used for：
Described gamma ray curve, described spontaneous potential curve and permeability curve are adopted the layering of half range point former
Then, determine the position data of the reservoir of described all wells and the interlayer of described all wells；
To described gamma ray curve, described spontaneous potential curve and described permeability curve using half range point minute
Layer principle combines thickness of interlayer principle and return degree principle, determines the position data of the interlayer of described all wells.
Optionally, the described module that obtains is used for：
Adopt half range point to be layered principle the characteristic curve of described braided river delta standard well, determine described
The position data of the reservoir of standard well, interlayer and interlayer；
With reference to the characteristic curve of the reservoir, interlayer and interlayer of described standard well, to removing described standard in all wells
The characteristic curve of other wells outside well adopts half range point to be layered principle, determines reservoir, the interlayer of other wells described
Position data with interlayer.
Optionally, described module of setting up is used for：
The position data of the reservoir according to all wells of described braided river delta, sets up described braided stream triangle
The reservoir model of continent phase；
The position data of the interlayer according to all wells of described braided river delta, sets up described braided stream triangle
The interlayer model of continent phase；
The position data of the interlayer according to all wells of described braided river delta, sets up described braided stream triangle
The sandwich mould of continent phase；
According to described reservoir model, interlayer model and described sandwich mould, set up described braided river delta
Geological model.
Optionally, described module of setting up is used for：
According to the reservoir position data of all wells of described braided river delta, described pigtail is set up with preset mode
The reservoir model of shape river delta facies, described preset mode includes：Lateral Splicing model, lateral compartmented mode,
Progradation pattern formula or accretion pattern formula.
The invention provides a kind of braided river delta three-dimensional spatial distribution determines method and device, to feature
Curve adopts half range point to be layered principle, obtains the position data of reservoir, interlayer and the interlayer of standard well, due to
Half range point is layered the position data that principle is capable of determining that interlayer, and the position data of the reservoir of determination and interlayer
Relatively accurate, the position data of reservoir, interlayer and interlayer according to standard well, set up braided river delta
Geological model is relatively met with the actual geology of braided river delta, this improves and sets up geological model
Accuracy.
It should be appreciated that above general description and detailed description hereinafter are only exemplary and explanatory,
The present invention can not be limited.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to institute in embodiment description
Need use accompanying drawing be briefly described it should be apparent that, drawings in the following description are only the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is that a kind of braided river delta three-dimensional spatial distribution provided in an embodiment of the present invention determines method
Method flow diagram；
Fig. 2-1 is another kind braided river delta three-dimensional spatial distribution determination side provided in an embodiment of the present invention
The method flow diagram of method；
Fig. 2-2 is that the distribution of interlayer, reservoir and interlayer in a kind of standard well provided in an embodiment of the present invention is illustrated
Figure；
Fig. 2-3 is a kind of geological model schematic diagram of braided river delta provided in an embodiment of the present invention；
Fig. 3 is that a kind of braided river delta three-dimensional spatial distribution provided in an embodiment of the present invention determines device
Structural representation.
By above-mentioned accompanying drawing it has been shown that the clear and definite embodiment of the present invention, hereinafter will be described in more detail.
These accompanying drawings and word description are not intended to limit the scope of present inventive concept by any mode, but logical
Cross and for those skilled in the art, idea of the invention is described with reference to specific embodiment.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Embodiment is described in further detail.
As shown in figure 1, embodiments provide a kind of braided river delta three-dimensional spatial distribution determining
Method, this braided river delta three-dimensional spatial distribution determines that method can include：
Step 101, the characteristic curve of the acquisition all wells of braided river delta.
Step 102, the characteristic curve of all wells is adopted half range point be layered principle, obtain all wells reservoir,
Interlayer and the position data of interlayer.
Step 103, the position data of the reservoir according to all wells, interlayer and interlayer, set up braid deltas
The geological model of phase.
Step 104, determined according to the geological model of braided river delta braided river delta area reservoir,
Interlayer and the three-dimensional spatial distribution of interlayer.
In sum, due to braided river delta three-dimensional spatial distribution determination side provided in an embodiment of the present invention
In method, adopt half range point to be layered principle characteristic curve, obtain the position of reservoir, interlayer and the interlayer of standard well
Put data, be capable of determining that the position data of interlayer because half range point is layered principle, and the reservoir that determines and every
The position data of layer is more accurate, and the position data of reservoir, interlayer and interlayer according to standard well sets up pigtail
The geological model of river delta facies is relatively met with the actual geology of braided river delta, this improves and builds
The accuracy of vertical geological model.
Optionally, this feature curve can include：Gamma ray curve, spontaneous potential curve and permeability are bent
Line, step 102 can include：To gamma ray curve, spontaneous potential curve and permeability curve using partly
Width point is layered principle, determines the position data of the reservoir of all wells and the interlayer of all wells；
Gamma ray curve, spontaneous potential curve and permeability curve are adopted half range point layering principle combine folder
Thickness degree principle and return degree principle, determine the position data of the interlayer of all wells.
Step 102 can include：
Adopt half range point to be layered principle the characteristic curve of braided river delta standard well, determine standard well
The position data of reservoir, interlayer and interlayer；
The characteristic curve of the reservoir of reference standard well, interlayer and interlayer, to its in addition to standard well in all wells
The characteristic curve of his well adopts half range point to be layered principle, determines the position of reservoir, interlayer and the interlayer of other wells
Data.
Step 103 can include：The position data of the reservoir according to all wells of braided river delta, sets up
The reservoir model of braided river delta；The position data of the interlayer according to all wells of braided river delta,
Set up the interlayer model of braided river delta；The positional number of the interlayer according to all wells of braided river delta
According to setting up the sandwich mould of braided river delta；According to reservoir model, interlayer model and sandwich mould,
Set up the geological model of braided river delta.
The position data of the reservoir according to all wells of braided river delta, sets up the storage of braided river delta
Layer model, including：According to the reservoir position data of all wells of braided river delta, set up with preset mode
The reservoir model of braided river delta, preset mode includes：Lateral Splicing model, lateral compartmented mode,
Progradation pattern formula or accretion pattern formula.
In sum, due to braided river delta three-dimensional spatial distribution determination side provided in an embodiment of the present invention
In method, adopt half range point to be layered principle characteristic curve, obtain the position of reservoir, interlayer and the interlayer of standard well
Put data, be capable of determining that the position data of interlayer because half range point is layered principle, and the reservoir that determines and every
The position data of layer is more accurate, and the position data of reservoir, interlayer and interlayer according to standard well sets up pigtail
The geological model of river delta facies is relatively met with the actual geology of braided river delta, this improves and builds
The accuracy of vertical geological model.
As shown in Fig. 2-1, embodiments provide another kind of braided river delta three-dimensional spatial distribution true
Determine method, this braided river delta three-dimensional spatial distribution determines that method can include：
Step 201, in the multiple wells of braided river delta selection standard well.
Example, when oil exploration is carried out to this braided river delta, can be in this braid deltas
Mutually dig multiple wells, and choose in this multiple wells can represent the reservoir of this braided river delta, interlayer and
, as standard well, in this multiple wells, the concrete grammar of selection standard well can for the well of the three-dimensional spatial distribution of interlayer
With the concrete grammar with reference to selection standard well in prior art, the embodiment of the present invention will not be described here.
Step 202, the characteristic curve of acquisition standard well.
Optionally, after the standard well in determining this multiple wells, the characteristic curve of this standard well can be obtained,
This feature curve can include：Gamma ray curve, spontaneous potential curve and permeability curve.Practical application
In, the characteristic curve of the every bite well of this braided river delta before step 201, can be obtained,
After determining standard well, can be with the characteristic curve of this standard well of direct access.The characteristic curve of this standard well also may be used
To include other characteristic curves in addition to gamma ray curve, spontaneous potential curve and permeability curve, this
Bright embodiment is not construed as limiting to this.
Step 203, the characteristic curve of standard well is adopted half range point be layered principle, obtain standard well reservoir,
Interlayer and the position data of interlayer.
After obtaining this corresponding characteristic curve of standard well, half range can be adopted to the characteristic curve of this standard well
Point layering principle, obtains the position data of reservoir, interlayer and the interlayer of this standard well.Example, can be right
Gamma ray curve, spontaneous potential curve and permeability curve adopt the layering of half range point former, determine standard well
The position data of the interlayer of reservoir and standard well；Bent to gamma ray curve, spontaneous potential curve and permeability
Line adopts half range point layering principle to combine thickness of interlayer principle and return degree principle, determines the interlayer of standard well
Position data.Optionally, the geology of the interlayer of this standard well has natural gamma high level, and natural potential is just
Abnormal, the almost nil feature of permeability；The geology of this interlayer has low-permeability layer thickness and permeability kickback
The feature of degree, can define low-permeability layer thickness and is more than after determining the position data of reservoir of this standard well
0.15m (rice), the position that the return degree of permeability is more than percent 14 is interlayer, and then determines the position of interlayer
Put data.
Fig. 2-2 is that the distribution of interlayer, reservoir and interlayer in a kind of standard well provided in an embodiment of the present invention is illustrated
Figure.As shown in Fig. 2-2, half range can be adopted to gamma ray curve, spontaneous potential curve and permeability curve
Point layering principle, adopts the layering of half range point former to gamma ray curve, spontaneous potential curve and permeability curve
Then combine thickness of interlayer principle and return degree principle, determine in this standard well, the position data of interlayer is deep
Degree more than 1801.7m, below depth 1816m, the position data of reservoir is depth 1801.7m to 1806.7m,
Depth 1808m to 1811m, depth 1812m to 1816m, the position data of interlayer is depth 1806.7m
To 1808m, depth 1811m to 1812m.
Step 204, the characteristic curve of other wells obtaining in all wells of braided river delta in addition to standard well.
Example, the characteristic curve of other wells can be obtained, the characteristic curve of this other well can include：From
So gamma curve, spontaneous potential curve and permeability curve.In practical application, before step 201, can
First to obtain the characteristic curve of the every bite well in this braided river delta area, in step 204 can be straight
Obtain the characteristic curve of other wells taking in all wells in addition to standard well.The characteristic curve of other wells can also wrap
Include other characteristic curves in addition to gamma ray curve, spontaneous potential curve and permeability curve, the present invention is real
Apply example this is not construed as limiting.
Step 205, the characteristic curve of reference standard well, adopt the layering of half range point former the characteristic curve of other wells
Then, obtain the position data of reservoir, interlayer and the interlayer of other wells.
Optionally, may be referred to the characteristic curve of standard well, above-mentioned half range is adopted to the characteristic curve of other wells
Point layering principle, obtains the position data of reservoir, interlayer and the interlayer of other wells.It should be noted that it is right
The characteristic curve of other wells adopts above-mentioned half range point to be layered principle, obtains reservoir, interlayer and the interlayer of other wells
The concrete steps of position data may be referred in step 203 to the characteristic curve of standard well using half range point minute
Layer principle, obtains the concrete steps of the position data of reservoir, interlayer and interlayer of standard well, and the present invention is implemented
Example will not be described here.
Step 206, the position data of the reservoir according to all wells of braided river delta, interlayer and interlayer, build
The geological model of vertical braided river delta.
After determining the position data of the reservoir, interlayer and interlayer of all wells of this braided river delta,
Braided stream can be set up according to the position data of the reservoir of all wells of braided river delta, interlayer and interlayer
The geological model of delta facies.
Specifically, braided stream can be set up according to the position data of the reservoir of all wells of braided river delta
The reservoir model of delta facies, the position data of the interlayer according to all wells of braided river delta, set up pigtail
The interlayer model of shape river delta facies, the position data of the interlayer according to all wells of braided river delta, build
The sandwich mould of vertical braided river delta；Then, according to reservoir model, interlayer model and sandwich mould,
Setting up the geological model of braided river delta, example, the sandwich mould establishing can be clamped into foundation
In good reservoir model, and with this interlayer model combination, thus setting up the Geological Model of this braided river delta
Type.
Further, in the reservoir position data according to all wells of braided river delta, set up braided stream three
During the reservoir model of angle continent phase, can be according to the reservoir position data of all wells of braided river delta, with pre-
If the reservoir model of Model Establishment braided river delta, preset mode includes：Lateral Splicing model, lateral
Compartmented mode, progradation pattern formula or accretion pattern formula.Wherein, this lateral Splicing model can include：Waterborne
The splicing of lateral splicing, distributary channel and estuary dam of distributary channel and distributary channel, estuary dam
The lateral splicing of the lateral splicing with estuary dam, estuary dam, distributary channel and sheet sand, Long-term therapy with
The lateral splicing of sheet sand；Lateral compartmented mode can include：Including Upper-river channel-flood plain-waterborne
The lateral separation of distributary channel, the lateral separation of the m- sheet sand of sheet sand-distributary channel, under water distributary river
The lateral separation of the m- distributary channel of road-distributary channel；It is different that progradation pattern formula can include same layer
Stacked transition relationship between phase configurational unit, on matter element system, before sub- sand body pushes ahead composition successively
Long-pending；Accretion pattern formula can include the stacked mould of local accretion type that accretion type is stacked pattern, distributary channel
Formula.
Fig. 2-3 is a kind of geological model schematic diagram of braided river delta provided in an embodiment of the present invention.Right
When this braided river delta carries out oil exploration, dig 4 mouthfuls of wells in this braided river delta area, point
Not Wei well 1, well 2, well 3 and well 4, and choose in this 4 mouthfuls of wells and can represent this braided river delta
The three-dimensional spatial distribution of reservoir, interlayer and interlayer well 1 as standard well.And obtain well 1, well 2, well
3 and the characteristic curve of well 4, adopt the layering of half range point former the characteristic curve of well 1, well 2, well 3 and well 4
Then, obtain the position data of the reservoir a, interlayer b and interlayer c of well 1, well 2, well 3 and well 4；Then
According to the position data of well 1, the reservoir a, interlayer b and interlayer c of well 2, well 3 and well 4, set up pigtail
The geological model of river delta facies.
Step 207, according to braided river delta area geological model determine braided river delta reservoir,
Interlayer and the three-dimensional spatial distribution of interlayer.
After setting up the geological model of this braided river delta, can be according to the ground of this braided river delta
Matter model directly determines the geological model of this braided river delta, obtain this braided river delta reservoir,
Interlayer and the three-dimensional spatial distribution of interlayer, the exploitation for oil field provides facility.
It should be noted that braided river delta three-dimensional spatial distribution determination side provided in an embodiment of the present invention
The sequencing of method step can suitably be adjusted, and step can also according to circumstances accordingly be increased and decreased, and appoints
What those familiar with the art the invention discloses technical scope in, change can be readily occurred in
Method, all should be included within the scope of the present invention, therefore repeat no more.
In sum, due to braided river delta three-dimensional spatial distribution determination side provided in an embodiment of the present invention
In method, adopt half range point to be layered principle characteristic curve, obtain the position of reservoir, interlayer and the interlayer of standard well
Put data, be capable of determining that the position data of interlayer because half range point is layered principle, and the reservoir that determines and every
The position data of layer is more accurate, and the position data of reservoir, interlayer and interlayer according to standard well sets up pigtail
The geological model of river delta facies is relatively met with the actual geology of braided river delta, this improves and builds
The accuracy of vertical geological model.
As shown in figure 3, embodiments provide a kind of braided river delta three-dimensional spatial distribution determining
Device 30, this braided river delta three-dimensional spatial distribution determines that device 30 can include：
Acquisition module 301, for obtaining the characteristic curve of all wells of braided river delta；
Obtain module 302, for adopting half range point to be layered principle the characteristic curve of all wells, obtain all wells
Reservoir, interlayer and interlayer position data；
Set up module 303, for the position data of reservoir, interlayer and interlayer according to all wells, set up pigtail
The geological model of river delta facies；
Determining module 304, determines braided river delta for the geological model according to braided river delta
Three-dimensional spatial distribution.
In sum, because braided river delta three-dimensional spatial distribution provided in an embodiment of the present invention determines dress
In putting, obtain module and adopt half range point to be layered principle characteristic curve, obtain the reservoir of standard well, interlayer and
The position data of interlayer, because half range point layered approach is capable of determining that the position data of interlayer, and determine
The position data of reservoir and interlayer is more accurate, the position data of reservoir, interlayer and interlayer according to standard well,
The actual geology of the geological model and braided river delta of setting up braided river delta relatively meets, therefore,
Improve the accuracy setting up geological model.
Optionally, characteristic curve can include：Gamma ray curve, spontaneous potential curve and permeability curve,
Obtain module 302 can be used for：
Adopt half range point to be layered principle gamma ray curve, spontaneous potential curve and permeability curve, determine
The position data of the interlayer of the reservoir of all wells and all wells；
Gamma ray curve, spontaneous potential curve and permeability curve are adopted half range point layering principle combine folder
Thickness degree principle and return degree principle, determine the position data of the interlayer of all wells.
Optionally, obtain module 302 can be used for：
Adopt half range point to be layered principle the characteristic curve of braided river delta standard well, determine standard well
The position data of reservoir, interlayer and interlayer；
The characteristic curve of the reservoir of reference standard well, interlayer and interlayer, to its in addition to standard well in all wells
The characteristic curve of his well adopts half range point to be layered principle, determines the position of reservoir, interlayer and the interlayer of other wells
Data.
Set up module 303 can be used for：
The position data of the reservoir according to all wells of braided river delta, sets up the storage of braided river delta
Layer model；
The position data of the interlayer according to all wells of braided river delta, set up braided river delta every
Layer model；
The position data of the interlayer according to all wells of braided river delta, sets up the folder of braided river delta
Layer model；
According to reservoir model, interlayer model and sandwich mould, set up the geological model of braided river delta.
Set up module 303 can be used for：
According to the reservoir position data of all wells of braided river delta, braided stream triangle is set up with preset mode
The reservoir model of continent phase, preset mode includes：Lateral Splicing model, lateral compartmented mode, progradation pattern formula
Or accretion pattern formula.
In sum, because braided river delta three-dimensional spatial distribution provided in an embodiment of the present invention determines dress
In putting, obtain module and adopt half range point to be layered principle characteristic curve, obtain the reservoir of standard well, interlayer and
The position data of interlayer, because half range point layered approach is capable of determining that the position data of interlayer, and determine
The position data of reservoir and interlayer is more accurate, the position data of reservoir, interlayer and interlayer according to standard well,
The actual geology of the geological model and braided river delta of setting up braided river delta relatively meets, therefore,
Improve the accuracy setting up geological model.
Above-mentioned all optional technical schemes, can adopt the alternative embodiment arbitrarily combining to form the present invention,
This no longer repeats one by one.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all the present invention's
Within spirit and principle, any modification, equivalent substitution and improvement made etc., should be included in the present invention's
Within protection domain.
Claims (10)
1. a kind of braided river delta reservoir configuration three-dimensional spatial distribution determines method it is characterised in that institute
The method of stating includes：
Obtain the characteristic curve of all wells of braided river delta；
Adopt half range point to be layered principle the characteristic curve of described all wells, obtain described all wells reservoir,
Interlayer and the position data of interlayer；
The position data of reservoir, interlayer and interlayer according to described all wells, sets up described braid deltas
The geological model of phase；
Described braided river delta reservoir, interlayer are determined according to the geological model of described braided river delta
Three-dimensional spatial distribution with interlayer.
2. braided river delta three-dimensional spatial distribution according to claim 1 determines method, its feature
It is, described characteristic curve includes：Gamma ray curve, spontaneous potential curve and permeability curve, described
Adopt half range point to be layered principle the characteristic curve of described all wells, obtain reservoir, the interlayer of described all wells
With the position data of interlayer, including：
Described gamma ray curve, described spontaneous potential curve and permeability curve are adopted the layering of half range point former
Then, determine the position data of the reservoir of described all wells and the interlayer of described all wells；
To described gamma ray curve, described spontaneous potential curve and described permeability curve using half range point minute
Layer principle combines thickness of interlayer principle and return degree principle, determines the position data of the interlayer of described all wells.
3. braided river delta three-dimensional spatial distribution according to claim 2 determines method, its feature
It is, the described characteristic curve to described all wells adopts half range point to be layered principle, obtains described all wells
The position data of reservoir, interlayer and interlayer, including：
Adopt half range point to be layered principle the characteristic curve of described braided river delta standard well, determine described
The position data of the reservoir of standard well, interlayer and interlayer；
With reference to the characteristic curve of the reservoir, interlayer and interlayer of described standard well, to removing described standard in all wells
The characteristic curve of other wells outside well adopts half range point to be layered principle, determines reservoir, the interlayer of other wells described
Position data with interlayer.
4. braided river delta three-dimensional spatial distribution according to claim 3 determines method, its feature
It is that the position data of described reservoir, interlayer and interlayer according to described all wells sets up described braided stream
The geological model of delta facies, including：
The position data of the reservoir according to all wells of described braided river delta, sets up described braided stream triangle
The reservoir model of continent phase；
The position data of the interlayer according to all wells of described braided river delta, sets up described braided stream triangle
The interlayer model of continent phase；
The position data of the interlayer according to all wells of described braided river delta, sets up described braided stream triangle
The sandwich mould of continent phase；
According to described reservoir model, interlayer model and described sandwich mould, set up described braided river delta
Geological model.
5. braided river delta three-dimensional spatial distribution according to claim 4 determines method, its feature
It is that the position data of the described reservoir according to all wells of described braided river delta sets up described pigtail
The reservoir model of river delta facies, including：
According to the reservoir position data of all wells of described braided river delta, described pigtail is set up with preset mode
The reservoir model of shape river delta facies, described preset mode includes：Lateral Splicing model, lateral compartmented mode,
Progradation pattern formula or accretion pattern formula.
6. a kind of braided river delta three-dimensional spatial distribution determines device it is characterised in that described device bag
Include：
Acquisition module, for obtaining the characteristic curve of all wells of braided river delta；
Obtain module, for adopting half range point to be layered principle the characteristic curve of described all wells, obtain described
The position data of the reservoir of all wells, interlayer and interlayer；
Set up module, for the position data of reservoir, interlayer and interlayer according to described all wells, set up institute
State the geological model of braided river delta；
Determining module, for determining described braided stream triangle according to the geological model of described braided river delta
Continent phase reservoir, interlayer, the three-dimensional spatial distribution of interlayer.
7. braided river delta three-dimensional spatial distribution according to claim 6 determines device, its feature
It is, described characteristic curve includes：Gamma ray curve, spontaneous potential curve and permeability curve, described
Obtain module to be used for：
Described gamma ray curve, described spontaneous potential curve and permeability curve are adopted the layering of half range point former
Then, determine the position data of the reservoir of described all wells and the interlayer of described all wells；
To described gamma ray curve, described spontaneous potential curve and described permeability curve using half range point minute
Layer principle combines thickness of interlayer principle and return degree principle, determines the position data of the interlayer of described all wells.
8. braided river delta three-dimensional spatial distribution according to claim 7 determines device, its feature
It is, the described module that obtains is used for：
Adopt half range point to be layered principle the characteristic curve of described braided river delta standard well, determine described
The position data of the reservoir of standard well, interlayer and interlayer；
With reference to the characteristic curve of the reservoir, interlayer and interlayer of described standard well, to removing described standard in all wells
The characteristic curve of other wells outside well adopts half range point to be layered principle, determines reservoir, the interlayer of other wells described
Position data with interlayer.
9. braided river delta three-dimensional spatial distribution according to claim 8 determines device, its feature
It is, described module of setting up is used for：
The position data of the reservoir according to all wells of described braided river delta, sets up described braided stream triangle
The reservoir model of continent phase；
The position data of the interlayer according to all wells of described braided river delta e, sets up described braided stream three
The interlayer model of angle continent phase；
The position data of the interlayer according to all wells of described braided river delta, sets up described braided stream triangle
The sandwich mould of continent phase；
According to described reservoir model, interlayer model and described sandwich mould, set up described braided river delta
Geological model.
10. braided river delta three-dimensional spatial distribution according to claim 9 determines device, and it is special
Levy and be, described module of setting up is used for：
According to the reservoir position data of all wells of described braided river delta, described pigtail is set up with preset mode
The reservoir model of shape river delta facies, described preset mode includes：Lateral Splicing model, lateral compartmented mode,
Progradation pattern formula or accretion pattern formula.
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