CN110107276A - Casing design method and apparatus - Google Patents
Casing design method and apparatus Download PDFInfo
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- CN110107276A CN110107276A CN201810089525.5A CN201810089525A CN110107276A CN 110107276 A CN110107276 A CN 110107276A CN 201810089525 A CN201810089525 A CN 201810089525A CN 110107276 A CN110107276 A CN 110107276A
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- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000013461 design Methods 0.000 title claims description 44
- 239000011435 rock Substances 0.000 claims abstract description 73
- 239000011780 sodium chloride Substances 0.000 claims description 165
- 230000015572 biosynthetic process Effects 0.000 claims description 42
- 238000003860 storage Methods 0.000 claims description 23
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 15
- 239000003129 oil well Substances 0.000 claims description 13
- 238000003325 tomography Methods 0.000 claims description 12
- 230000032798 delamination Effects 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 5
- 230000005055 memory storage Effects 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 abstract description 4
- 229910052602 gypsum Inorganic materials 0.000 abstract 9
- 239000010440 gypsum Substances 0.000 abstract 9
- 239000010410 layer Substances 0.000 description 33
- 235000002639 sodium chloride Nutrition 0.000 description 15
- 238000010586 diagram Methods 0.000 description 10
- 239000006071 cream Substances 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- -1 specifically Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/007—Measuring stresses in a pipe string or casing
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/26—Storing data down-hole, e.g. in a memory or on a record carrier
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
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Abstract
The invention provides a method and a device for designing a sleeve, wherein the method comprises the following steps: establishing a first reservoir-salt-gypsum layer model of a target area according to the stratigraphic layering condition and the stratigraphic fluctuation condition of a target well; establishing a second reservoir-salt-gypsum layer model of the target region according to the actual geological structure and the actual fault distribution of the target region; performing inversion operation on the first reservoir-salt gypsum layer model according to the rock mechanics parameter and the ground stress parameter of the target well; establishing a third reservoir-salt gypsum layer model of the target area according to the first reservoir-salt gypsum layer model and the second reservoir-salt gypsum layer model after inversion operation; establishing a fourth reservoir-salt-gypsum layer model of the target area according to the third reservoir-salt-gypsum layer model and the stratigraphic dip angle of the target well; determining a yield strength for the casing in the target zone according to the fourth reservoir-salt-gypsum layer model. The invention solves the problem of casing damage in the environments of reservoir pressure reduction, stratum inclination and the like in the oil and gas exploitation process.
Description
Technical field
The present invention relates to drilling engineering technical field more particularly to a kind of sleeve design method and apparatus.
Background technique
Tarim Basin is the oil-gas bearing basin of Largest In China, and exploration-development potential is huge.Submountain region well yield is high,
It is the main producing region of Tarim Basin oil gas.Tarim Oilfield in front of the mountains oil and gas reservoir be located at high temperature, high pressure, high creep properties interlayer salt
Layer of paste lower part.With the exploitation of reservoir hydrocarbons, reservoir pressure is gradually reduced, and then influencing (should in interlayer saline bed middle sleeve
Casing is used for transmission oil gas) stress, lead to casing deformation, and reservoir, interlayer saline bed interface are added due to force unbalance
Acute casing damage；In addition, pendage (inclination angle is 5 °~20 °), different angle stratum leads to the stress of casing various pieces not
Together, casing deformation is also resulted in, is damaged, to influence going on smoothly for pit shaft safety and oil-gas mining.
Summary of the invention
The present invention provides a kind of sleeve design method and apparatus, avoids casing because of stratigraphic dip and oil-gas mining process
The phenomenon that being damaged because of reservoir pressure decline.
First aspect present invention provides a kind of sleeve design method, comprising:
According to the strata division situation of target well and stratum fluctuating situation, the first reservoir-saline bed of target area is established
Model, the target well are the oil well or gas well in the target area；
It is distributed according to the practical geological structure of the target area and practical tomography, establishes the second storage of the target area
Layer-saline bed model；
According to the rock mechanics parameters and parameters and earth stress of the target well, to the first reservoir-saline bed model into
Row under operation；And according to the first reservoir-saline bed model and the second reservoir-saline bed mould after under operation
Type establishes third reservoir-saline bed model of the target area；
According to the stratigraphic dip of the third reservoir-saline bed model and the target well, the target area is established
Four reservoirs-saline bed model；
According to the four reservoirs-saline bed model, the yield strength for the casing in the target area is determined.
Optionally, the method also includes:
According to the lithologic analysis to the target well, the formation lithology description of the target well is obtained；
According to the well-log information of the formation lithology of target well description and the target well, the ground of the target well is determined
Layer delamination；
Wherein, the well-log information of the target well is to carry out lithologic log acquisition to the target well；
The well-log information of the target well include: the Log Strata delamination of the target well, stratum fluctuating situation,
Inclination layer.
Optionally, the well-log information further include: the downhole temperature of the target well；
The rock mechanics parameters and parameters and earth stress according to the target well, to the first reservoir-saline bed mould
Type carries out under operation
According to the description of the formation lithology of the target well, the rock mechanics parameters, the parameters and earth stress and the well
Lower temperature, determines Creep Equation；
According to the first reservoir-saline bed model and the Creep Equation, to the first reservoir-saline bed mould
Type carries out under operation.
Optionally, described according to the four reservoirs-saline bed model, it determines for the casing in the target area
Yield strength, comprising:
Determine the stress intensity of the corresponding reservoir-saline bed of the four reservoirs-saline bed model；
According to the stress intensity, the yield strength for the casing in the target area is determined；The yield strength
Size be greater than the stress intensity.
Optionally, the stress intensity of the corresponding reservoir-saline bed of the determination four reservoirs-saline bed model, packet
It includes:
According to reservoir-saline bed maximum pressure drop-out value and the four reservoirs-saline bed model, the storage is determined
The stress intensity of layer-saline bed.
Optionally, the parameters and earth stress includes: horizontal maximum crustal stress, horizontal minimum crustal stress and vertical crustal stress.
Optionally, the quantity of the target well is multiple.
Second aspect of the present invention provides a kind of sleeve design device, comprising:
First model building module establishes target for the strata division situation and stratum fluctuating situation according to target well
First reservoir-saline bed the model in region, the target well are the oil well or gas well in the target area；
Second model building module is built for being distributed according to the practical geological structure of the target area and practical tomography
Found the second reservoir-saline bed model of the target area；
Third model building module, for the rock mechanics parameters and parameters and earth stress according to the target well, to described
First reservoir-saline bed model carries out under operation；And according to after under operation the first reservoir-saline bed model and institute
The second reservoir-saline bed model is stated, third reservoir-saline bed model of the target area is established；
4th model building module, for being inclined according to the stratum of the third reservoir-saline bed model and the target well
Four reservoirs-saline bed the model of the target area is established at angle；
Determining module, for determining for the casing in the target area according to the four reservoirs-saline bed model
Yield strength.
Optionally, sleeve design device further include:
Module is obtained, for obtaining the formation lithology description of target well according to the lithologic analysis to target well.
Second determining module determines target for the well-log information according to the formation lithology of target well description and target well
The strata division situation of well.
Wherein, the well-log information of the target well is to carry out lithologic log acquisition to the target well；
The well-log information of the target well includes: that the strata division situation of the target well, stratum fluctuating situation, stratum are inclined
Angle.
Optionally, the well-log information further include: the downhole temperature of the target well.
Optionally, third model building module is specifically used for: being joined according to the description of the formation lithology of target well, rock mechanics
Number, parameters and earth stress and downhole temperature, determine Creep Equation；According to the first reservoir-saline bed model and this structure of creep side
Journey carries out under operation to the first reservoir-saline bed model.
Optionally, the first determining module is specifically used for: determining the corresponding reservoir-saline bed of four reservoirs-saline bed model
Stress intensity, and according to reservoir-saline bed maximum pressure drop-out value and four reservoirs-saline bed model, determine storage
The stress intensity of layer-saline bed.
Optionally, the first determining module is specifically used for: according to reservoir-saline bed maximum pressure drop-out value and described
Four reservoirs-saline bed model determines the stress intensity of the reservoir-saline bed.
Optionally, the parameters and earth stress includes: horizontal maximum crustal stress, horizontal minimum crustal stress and vertical crustal stress.
Optionally, the quantity of the target well is multiple.
The third aspect of the present invention provides a kind of sleeve design device, comprising: at least one processor and memory；
The memory stores computer executed instructions；
At least one described processor executes the computer executed instructions of the memory storage, so that described sleeve pipe designs
Device executes above-mentioned sleeve design method.
The fourth aspect of the present invention provides a kind of computer readable storage medium, deposits on the computer readable storage medium
Computer executed instructions are contained, when the computer executed instructions are executed by processor, realize above-mentioned sleeve design method.
The present invention provides a kind of sleeve design method and apparatus, this method comprises: according to the strata division situation of target well
With stratum fluctuating situation, the first reservoir-saline bed model of target area is established；According to the practical geological structure of target area and
Practical tomography distribution, establishes the second reservoir-saline bed model of target area；According to the rock mechanics parameters of target well and answer
Force parameter carries out under operation to the first reservoir-saline bed model；And according to the first reservoir-saline bed mould after under operation
Type and the second reservoir-saline bed model establish third reservoir-saline bed model of target area；According to third reservoir-saline bed
The stratigraphic dip of model and target well establishes the four reservoirs-saline bed model of target area；According to four reservoirs-saline bed
Model determines the yield strength for the casing in target area.Sleeve design method provided by the invention solves oil gas and opens
During adopting the problem of the complex environments setting of casing damage such as reservoir pressure decline and pendage.
Detailed description of the invention
Fig. 1 is the flow diagram one of sleeve design method provided by the invention；
Fig. 2 is the first reservoir-saline bed model schematic provided by the invention；
Fig. 3 is third reservoir-saline bed model schematic provided by the invention；
Fig. 4 is the flow diagram two of sleeve design method provided by the invention；
Fig. 5 is the structural schematic diagram one of sleeve design device provided by the invention；
Fig. 6 is the structural schematic diagram two of sleeve design device provided by the invention；
Fig. 7 is the structural schematic diagram three of sleeve design device provided by the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the embodiment of the present invention, to this
Technical solution in inventive embodiments is clearly and completely described, it is clear that described embodiment is that a part of the invention is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creation
Property labour under the premise of every other embodiment obtained, shall fall within the protection scope of the present invention.
Description and claims of this specification and term " first ", " second ", " third " " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiment of the present invention described herein for example can be to remove
Sequence other than those of illustrating or describe herein is implemented.In addition, term " includes " and " having " and theirs is any
Deformation, it is intended that cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, system, production
Product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for this
A little process, methods, the other step or units of product or equipment inherently.
Fig. 1 is the flow diagram one of sleeve design method provided by the invention, the executing subject of method flow shown in Fig. 1
It can be sleeve design device, which can be by arbitrary software and or hardware realization.As shown in Figure 1, this implementation
Example provide sleeve design method may include:
S101 establishes the first reservoir-salt of target area according to the strata division situation of target well and stratum fluctuating situation
Layer of paste model, target well are the oil well or gas well in target area.
Operator is during oil recovery or gas production, it will usually establish target pickup area, develop in pickup area
A bite or more mouthfuls of oil wells or gas well are exploited.And during exploitation, with the difference of target well depth, rock composition
Also different, therefore the strata division being made of rock of different nature is formed in target well, and due to the mechanical property of rock
Difference, the strata division in target well is not that the thickness of neat and parallel to each other, different formation rock is not quite similar,
Therefore the fluctuating on stratum is formd.
The strata division situation and stratum fluctuating situation of target well can be during operator carry out lithologic log
It obtains, lithologic log, which is exactly operator, to be observed the distribution of rock stratum in underground, analyzes, and can establish target well with this
Lithostratigraphy section obtains the strata division situation of target well.After the strata division situation for obtaining target well, according to target
The strata division situation of multiple wells in region, determines stratum fluctuating situation.Specific mode may is that Fig. 2 provides for the present invention
The first reservoir-saline bed model schematic, as shown in Fig. 2, as A well bottom surface to below ground 1000m at be shale layer, B
Well is shale layer at bottom surface to below ground 500m, and C well is shale layer at bottom surface to below ground 200m, then can basis
The different delamination in stratum determines stratum fluctuating situation.Example is used as in the present embodiment in this approach, others can also be used
Mode determines stratum fluctuating situation, without limitation in the present embodiment.
The strata division situation and stratum fluctuating situation for obtaining target well, according to the specific feelings in target area in target well
Condition establishes the first reservoir-saline bed model of target area, which is the target area of prediction
Reservoir-saline bed geometric mould.It is specific as shown in Figure 2.Wherein, 1. shale layers, 2. rock salts, 3. mud cream rocks, mud stone containing cream,
4. rock salt, 5. mud stone containing cream, mud stone are the saline bed in upper layer studied in the present embodiment, compacted with high temperature, high pressure, height
The characteristics such as change；6. bed load rock, 7. Cretaceous sandstones are the reservoir below the saline bed of upper layer studied in the present embodiment, reservoir
In need the oil exploited and/or gas.
Target well described in the present embodiment can be a bite oil well or gas well, and the target area of research can be for this flatly
Region where oil well or gas well；Target well can be more mouthfuls of oil wells or gas well, and the target area of research can be the more mouthfuls of oil
Region where well or gas well.Sleeve design method provided in this embodiment is suitable for a bite or more mouthfuls of oil wells or gas well.
S102 is distributed according to the practical geological structure of target area and practical tomography, establishes the second reservoir-of target area
Saline bed model.
The practical geological structure of target area can carry out study on geological tectonics acquisition, actual ground texture by target area
Making may include: relationship between fold building, rift structure and rock stratum between Different Strata rock, specifically, rock stratum it
Between relationship can be as being parallel to each other between two rock stratum, contact surface is fine and close or two rock stratum between separate, contact surface is sparse
Deng.
Target area practical tomography distribution can by target area carry out seismic interpretation acquisition, actual tomography be due to
Stress between Different Strata rock is not continuously, to be broken between rock stratum, phase between caused rock stratum and rock stratum
For a rock stratum, adjacent strata occurs entirety and moves down or move up.
The practical geological structure and practical tomography for obtaining target area are distributed, and establish the second reservoir-salt cream of target area
Layer model, the second reservoir-saline bed model are that reservoir-saline bed of the target area under actual conditions includes formation rock
The model of stone stress.
S103 carries out the first reservoir-saline bed model anti-according to the rock mechanics parameters and parameters and earth stress of target well
Drill operation；And according to the first reservoir-saline bed model and the second reservoir-saline bed model after under operation, target area is established
Third reservoir-saline bed the model in domain.
Rock core is obtained to each layer of formation rock in the reservoir and saline bed in target well, it can be according to International Rock mechanics
Standard is processed into Standard rock sample using dry follow the example of indoors, carries out rock mechanics parameters experiment to the Standard rock sample of processing, obtains
The rock mechanics parameters of each layer of formation rock in reservoir and saline bed, wherein rock mechanics parameters may include: springform
Amount, Poisson's ratio, compression strength, cohesive strength and internal friction angle etc..Further, it can establish reservoir using the rock mechanics parameters
With the load-deformation curve of each layer of formation rock in saline bed.During carrying out oil-gas mining, due to reservoir pressure
The variation of generation causes the stress between Different Strata rock to change, and utilizes the available reservoir of the rock mechanics parameters
With the stress-strain change curve of each layer of formation rock in saline bed.
Wherein, the experiment of Kaiser effect measurement crustal stress is carried out to the Standard rock sample of processing, obtains reservoir and saline bed
In each layer of formation rock parameters and earth stress, wherein parameters and earth stress can specifically include: the level of formation rock is maximum
Crustal stress, horizontal minimum crustal stress and vertical crustal stress.
According to the rock mechanics parameters and parameters and earth stress of target well, inverting behaviour is carried out to the first reservoir-saline bed model
It can be the simulating inversion method operation for carrying out crustal stress to it on the basis of the first reservoir-saline bed model of foundation, specifically
Embodiment may is that each layer of formation rock in the first reservoir-saline bed model to foundation apply crustal stress, apply
The mode of crustal stress can be gradually applies parameters and earth stress from small to large, is also possible to answer on the ground of the formation rock of acquisition
Force parameter value carries out the application of crustal stress up and down, the present embodiment to the applying mode of crustal stress with no restrictions.
With the application of crustal stress, the formation rock in the first reservoir-saline bed model is due to answering masterpiece between rock stratum
With deformation is generated, until the formation rock in the rock stratum fold generated, situations such as being broken and the second reservoir-saline bed model
Between fold, situations such as being broken it is approximate or identical with the second reservoir-saline bed model.According at this time to the first storage
Layer-saline bed model apply stress sizes values and formation rock between fold, fracture situations such as, establish target area
Third reservoir-saline bed model, the third reservoir-saline bed model are that is predicted includes the storage of formation rock stress
Layer-saline bed model.Fig. 3 is third reservoir-saline bed model schematic provided by the invention, specific third reservoir-salt cream
Layer model schematic diagram can be as shown in Figure 3.
S104 establishes the 4th storage of target area according to third reservoir-saline bed model and target well stratigraphic dip
Layer-saline bed model.
Strata division situation and stratum fluctuating situation in target area are being obtained, the inclination angle on stratum can be obtained.Specifically
Mode can be with are as follows: as shown in Fig. 2, B well is in bottom surface to below ground if A well is shale layer bottom surface to below ground 1000m at
It is shale layer at 500m, C well is shale layer at bottom surface to below ground 200m, and horizontal direction between this three mouthfuls of target wells is made
For abscissa, using the vertical direction of target well as ordinate, by horizontal distance value between three mouthfuls of target wells and shale layer institute
The depth value at place is mapped, and the inclination angle on stratum can be obtained.Example is used as in the present embodiment in this approach, others side can also be used
Formula determines the inclination angle on stratum, without limitation in the present embodiment.
According to third reservoir-saline bed model and target well stratigraphic dip, the four reservoirs-salt cream of target area is established
Layer model, four reservoirs-saline bed model are the reservoir-saline bed models for including stratigraphic dip parameter.
S105 determines the yield strength for the casing in target area according to four reservoirs-saline bed model.
According to the stress value in the available target well of four reservoirs-saline bed model in reservoir-saline bed, according to every layer
The mechanics parameter of formation rock, the load-deformation curve of available every layer of formation rock, with the exploitation of reservoir hydrocarbons, storage
Stressor layer is gradually reduced, and necessarily will affect the stress between formation rock, so that deformation occurs for formation rock, according to
Deformation occurs for the available formation rock in the recovery process of reservoir hydrocarbons of the deformation, and then obtains the stress of formation rock
Size, if in oil/gas well cased yield strength be greater than the formation rock stress intensity, can guarantee that casing is not sent out
Raw damage；It is also possible to carry out production program to target area, estimates the drop-out value of the reservoir pressure after exploiting end cycle, into
And to the stress value size for obtaining formation rock, so that after the cased yield strength of institute is greater than exploitation end cycle in oil/gas well
The stress intensity of the formation rock can guarantee that casing is not damaged in recovery process.
The sleeve design method provided in the present embodiment, according to the strata division situation of target well and stratum fluctuating situation,
Establish the first reservoir-saline bed model of target area；It is distributed, is built according to the practical geological structure of target area and practical tomography
The second reservoir-saline bed model of vertical target area；According to the rock mechanics parameters and parameters and earth stress of target well, stored up to first
Layer-saline bed model carries out under operation；And according to the first reservoir-saline bed model and the second reservoir-salt after under operation
Layer of paste model establishes third reservoir-saline bed model of target area；According to third reservoir-saline bed model and target well
Stratigraphic dip establishes the four reservoirs-saline bed model of target area；According to four reservoirs-saline bed model, determines and be used for mesh
Mark the yield strength of the casing in region.Sleeve design method provided by the invention considers reservoir pressure during practical oil-gas mining
The complex conditions such as power decline and stratigraphic dip, carry out the selection of yield strength to casing in advance, casing have been effectively ensured in oil
It is not damaged in gas recovery process.
Below with reference to Fig. 4 to further sleeve design method provided by the invention is described in detail, Fig. 4 is the present invention
The flow diagram two of the sleeve design method of offer, as shown in figure 4, the process may include:
S201 establishes the first reservoir-salt of target area according to the strata division situation of target well and stratum fluctuating situation
Layer of paste model, target well are the oil well or gas well in target area.
It on the basis of the above embodiments, can be to target in order to enable the strata division situation of target well is more accurate
Each layer of formation rock of well is sampled, further progress lithologic analysis, obtains the formation lithology description of target well, according to
The well-log information of the formation lithology description and target well of target well, determines the Log Strata delamination of target well.Wherein, target
The well-log information of well is to carry out lithologic log acquisition to target well；The well-log information of target well includes: the stratum point of target well
Layer situation, stratum fluctuating situation, stratigraphic dip.Specifically, carrying out the strata division that lithologic log obtains target well to target well
Situation, stratum fluctuating situation, the mode of stratigraphic dip are identical as the mode in above-described embodiment.
S202 is distributed according to the practical geological structure of target area and practical tomography, establishes the second reservoir-of target area
Saline bed model.
S203 is determined according to the description of the formation lithology of target well, rock mechanics parameters, parameters and earth stress and downhole temperature
Creep Equation.
Well-log information can also include: the downhole temperature of target well.And to the underground temperature for obtaining target well in the present embodiment
The mode of degree is not particularly limited, and can use temperature measuring device, heat detector or the underground that target well is obtained using other modes
Temperature.
Optionally, it when carrying out under operation to the first reservoir-saline bed model, can be retouched according to the formation lithology of target well
It states, rock mechanics parameters, parameters and earth stress and downhole temperature, determines the corresponding Creep Equation of each layer of formation rock.
S204 carries out the first reservoir-saline bed model according to the first reservoir-saline bed model and Creep Equation
Under operation establishes the mesh according to the first reservoir-saline bed model and the second reservoir-saline bed model after under operation
Mark the third reservoir-saline bed model in region.
Inverting is carried out to the first reservoir-saline bed model according to the first reservoir-saline bed model and the Creep Equation
Operation, wherein the concrete mode of under operation is referred to the associated description in above-described embodiment, herein with no restrictions.
S205 establishes the 4th storage of target area according to third reservoir-saline bed model and target well stratigraphic dip
Layer-saline bed model.
S206 determines reservoir-according to reservoir-saline bed maximum pressure drop-out value and four reservoirs-saline bed model
The stress intensity of saline bed.
Reservoir-saline bed maximum pressure drop-out value is obtained, can be and production program is carried out to target area, estimate target
The exploitation period in region estimates the maximum pressure drop-out value of the reservoir pressure after exploiting end cycle, due under reservoir pressure
It drops the stress that will cause between formation rock to change, according to four reservoirs-saline bed model, specifically, according to the
Relationship in four reservoirs-saline bed model between ess-strain determines reservoir-saline bed stress intensity.
S207 determines the yield strength for the casing in target area according to stress intensity；The size of yield strength is big
In stress intensity.
Stress value size of reservoir-saline bed stress after exploiting end cycle is determined, so that being trapped in oil/gas well
The yield strength of pipe is greater than reservoir-saline bed stress intensity after exploitation end cycle, can guarantee casing in recovery process
It is not damaged.
Wherein, the specific implementation process of S201, S202, S204, S205 can refer to the associated description in above-described embodiment, this
Place repeats no more.
In the present embodiment, reservoir pressure size after exploiting end cycle by estimating oil well or gas well, and then determine storage
The stress intensity of layer-saline bed, corresponding selection apply the yield strength of the casing in target well to be greater than the reservoir-saline bed
Stress intensity further avoids the phenomenon that casing is damaged in recovery process.
Fig. 5 is the structural schematic diagram of sleeve design device provided by the invention, as shown in figure 5, casing provided by the invention
Design device 300 include: the first model building module 301, the second model building module 302, third model building module 303,
4th model building module 304 and the first determining module 305.
First model building module 301 establishes mesh for the strata division situation and stratum fluctuating situation according to target well
The first reservoir-saline bed model in region is marked, target well is the oil well or gas well in target area.
Second model building module 302 is established for being distributed according to the practical geological structure of target area and practical tomography
The second reservoir-saline bed model of target area.
Third model building module 303 is stored up for the rock mechanics parameters and parameters and earth stress according to target well to first
Layer-saline bed model carries out under operation；And according to the first reservoir-saline bed model and the second reservoir-salt after under operation
Layer of paste model establishes third reservoir-saline bed model of target area.
4th model building module 304, for building according to third reservoir-saline bed model and target well stratigraphic dip
Four reservoirs-saline bed the model of vertical target area.
First determining module 305, for determining for the casing in target area according to four reservoirs-saline bed model
Yield strength.
Fig. 6 is the structural schematic diagram two of sleeve design device provided by the invention, as shown in fig. 6, the casing of the present embodiment
On the basis of the design embodiment shown in Fig. 5 of device 300, further includes: obtain module 306, the second determining module 307.
Module 306 is obtained, for obtaining the formation lithology description of target well according to the lithologic analysis to target well.
Second determining module 307 determines mesh for the well-log information according to the formation lithology of target well description and target well
Mark the strata division situation of well.
Wherein, the well-log information of target well is to carry out lithologic log acquisition to target well.
The well-log information of target well includes: the Log Strata delamination of target well, stratum fluctuating situation, stratigraphic dip.
Optionally, well-log information further include: the downhole temperature of target well.
Optionally, third model building module 303, is specifically used for: according to the description of the formation lithology of target well, rock mechanics
Parameter, parameters and earth stress and downhole temperature, determine Creep Equation；According to the first reservoir-saline bed model and creep this structure
Equation carries out under operation to the first reservoir-saline bed model.
Optionally, the first determining module 305, is specifically used for: determining the corresponding reservoir-salt of four reservoirs-saline bed model
The stress intensity of layer of paste, and according to reservoir-saline bed maximum pressure drop-out value and four reservoirs-saline bed model, really
Determine reservoir-saline bed stress intensity.
Optionally, the first determining module 305, is specifically used for: according to reservoir-saline bed maximum pressure drop-out value and institute
Four reservoirs-saline bed model is stated, determines the stress intensity of the reservoir-saline bed.
Optionally, the parameters and earth stress includes: horizontal maximum crustal stress, horizontal minimum crustal stress and vertical crustal stress.
Optionally, the quantity of the target well is multiple.Fig. 7 is the structural representation of sleeve design device provided by the invention
Figure three, as shown in fig. 7, the sleeve design device for example can be terminal device, such as smart phone, tablet computer, computer
Deng.The sleeve design device 400 includes: memory 401 and at least one processor 402.
Memory 401, for storing program instruction.
Processor 402, for being performed the processing method for realizing the unread message in the present embodiment, tool in program instruction
Body realization principle can be found in above-described embodiment, and details are not described herein again for the present embodiment.
The sleeve design device can also include and input/output interface 403.
Input/output interface 403 may include independent output interface and input interface, or integrated input and defeated
Integrated interface out.Wherein, output interface is used for output data, and input interface is used to obtain the data of input, above-mentioned output
Data are the general designation exported in above method embodiment, and the data of input are the general designation inputted in above method embodiment.
The present invention also provides a kind of readable storage medium storing program for executing, it is stored with and executes instruction in readable storage medium storing program for executing, work as sleeve design
When at least one processor of device executes this and executes instruction, when computer executed instructions are executed by processor, realize above-mentioned
Sleeve design method in embodiment.
The present invention also provides a kind of program product, the program product include execute instruction, this execute instruction be stored in it is readable
In storage medium.At least one processor of sleeve design device can read this from readable storage medium storing program for executing and execute instruction, at least
One processor executes this and executes instruction so that sleeve design device implements the sleeve design that above-mentioned various embodiments provide
Method.
In several embodiments provided by the present invention, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
Only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can be tied
Another system is closed or is desirably integrated into, or some features can be ignored or not executed.Another point, it is shown or discussed
Mutual coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or logical of device or unit
Letter connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can store and computer-readable deposit at one
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) or processor (English: processor) execute this hair
The part steps of bright each embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory
(English: Read-Only Memory, abbreviation: ROM), random access memory (English: Random Access Memory, letter
Claim: RAM), the various media that can store program code such as magnetic or disk.
In the embodiment of the above-mentioned network equipment or terminal device, it should be appreciated that processor can be central processing unit
(English: Central Processing Unit, referred to as: CPU), it can also be other general processors, digital signal processor
(English: Digital Signal Processor, abbreviation: DSP), specific integrated circuit (English: Application
Specific Integrated Circuit, referred to as: ASIC) etc..General processor can be microprocessor or the processor
It is also possible to any conventional processor etc..Hardware handles can be embodied directly in conjunction with the step of method disclosed in the present application
Device executes completion, or in processor hardware and software module combination execute completion.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or
The various media that can store program code such as person's CD.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of sleeve design method characterized by comprising
According to the strata division situation of target well and stratum fluctuating situation, the first reservoir-saline bed model of target area is established,
The target well is the oil well or gas well in the target area；
It is distributed according to the practical geological structure of the target area and practical tomography, establishes the second reservoir-of the target area
Saline bed model；
According to the rock mechanics parameters and parameters and earth stress of the target well, the first reservoir-saline bed model is carried out anti-
Drill operation；And according to the first reservoir-saline bed model and the second reservoir-saline bed model after under operation, build
Found third reservoir-saline bed model of the target area；
According to the stratigraphic dip of the third reservoir-saline bed model and the target well, the 4th of the target area is established
Reservoir-saline bed model；
According to the four reservoirs-saline bed model, the yield strength for the casing in the target area is determined.
2. the method according to claim 1, wherein further include:
According to the lithologic analysis to the target well, the formation lithology description of the target well is obtained；
According to the well-log information of the formation lithology of target well description and the target well, with determining the well logging of the target well
Layer delamination；
Wherein, the well-log information of the target well is to carry out lithologic log acquisition to the target well；
The well-log information of the target well includes: the strata division situation of the target well, stratum fluctuating situation, stratigraphic dip.
3. according to the method described in claim 2, it is characterized in that, the well-log information further include: the underground of the target well
Temperature；
The rock mechanics parameters and parameters and earth stress according to the target well, to the first reservoir-saline bed model into
Row under operation includes:
According to the description of the formation lithology of the target well, the rock mechanics parameters, the parameters and earth stress and the underground temperature
Degree, determines Creep Equation；
According to the first reservoir-saline bed model and the Creep Equation, to the first reservoir-saline bed model into
Row under operation.
4. the method according to claim 1, wherein described according to the four reservoirs-saline bed model, determination
Yield strength for the casing in the target area, comprising:
Determine the stress intensity of the corresponding reservoir-saline bed of the four reservoirs-saline bed model；
According to the stress intensity, the yield strength for the casing in the target area is determined；The yield strength it is big
It is small to be greater than the stress intensity.
5. according to the method described in claim 4, it is characterized in that, the determination four reservoirs-saline bed model is corresponding
Reservoir-saline bed stress intensity, comprising:
According to reservoir-saline bed maximum pressure drop-out value and the four reservoirs-saline bed model, the reservoir-is determined
The stress intensity of saline bed.
6. method described in -5 any one according to claim 1, which is characterized in that the parameters and earth stress include: it is horizontal most
Ground Stress, horizontal minimum crustal stress and vertical crustal stress.
7. method described in -5 any one according to claim 1, which is characterized in that the quantity of the target well is multiple.
8. a kind of sleeve design device characterized by comprising
First model building module establishes target area for the strata division situation and stratum fluctuating situation according to target well
The first reservoir-saline bed model, the target well be the target area in oil well or gas well；
Second model building module establishes institute for being distributed according to the practical geological structure of the target area and practical tomography
State the second reservoir-saline bed model of target area；
Third model building module, for the rock mechanics parameters and parameters and earth stress according to the target well, to described first
Reservoir-saline bed model carries out under operation；And according to the first reservoir-saline bed model and described the after under operation
Two reservoirs-saline bed model establishes third reservoir-saline bed model of the target area；
4th model building module is built for the stratigraphic dip according to the third reservoir-saline bed model and the target well
Found the four reservoirs-saline bed model of the target area；
Determining module, for determining bending for the casing in the target area according to the four reservoirs-saline bed model
Take intensity.
9. a kind of sleeve design device, which is characterized in that it includes: at least one processor and storage that described sleeve pipe, which designs device,
Device；
The memory stores computer executed instructions；
At least one described processor executes the computer executed instructions of the memory storage, so that described sleeve pipe designs device
Perform claim requires the described in any item methods of 1-7.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
It executes instruction, when the computer executed instructions are executed by processor, realizes the described in any item methods of claim 1-7.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183134A (en) * | 2021-07-07 | 2022-03-15 | 中国石油化工股份有限公司 | Shale gas horizontal well ground stress prediction method and system |
| CN115711114A (en) * | 2021-08-23 | 2023-02-24 | 中国石油天然气股份有限公司 | Shale oil fracturing casing-variable-prevention pump pressure design method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5199489A (en) * | 1989-12-01 | 1993-04-06 | Dowell Schlumberger Incorporated | Method of cementing well casing to avoid gas channelling from shallow gas-bearing formations |
| US20020147574A1 (en) * | 2001-02-21 | 2002-10-10 | Ong See Hong | Method of predicting the on-set of formation solid production in high-rate perforated and open hole gas wells |
| RU2285798C1 (en) * | 2005-05-13 | 2006-10-20 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Method to reveal behind-the-casing flows, which cause gypsum deposits |
| CN101936157A (en) * | 2010-08-19 | 2011-01-05 | 中国石油大学(北京) | Method for detecting pore pressure of high pressure saltwater layer by using log information |
| CN102747289A (en) * | 2012-05-31 | 2012-10-24 | 宝山钢铁股份有限公司 | Ultrahigh-strength steel used for petroleum casing pipe, petroleum casing pipe, and manufacturing method thereof |
| CN103195374A (en) * | 2013-03-27 | 2013-07-10 | 西南石油大学 | Method for designing salt rock stratum irregular-shaped sleeve |
| CN105089654A (en) * | 2014-05-14 | 2015-11-25 | 中国石油天然气股份有限公司 | Method for determining saline-gypsum layer sleeve by considering interlayer characteristics |
| CN106321081A (en) * | 2015-07-01 | 2017-01-11 | 中国石油化工股份有限公司 | Method and system for obtaining abnormal formation stress of salt gypsum rock stratum |
| CN106321082A (en) * | 2015-07-01 | 2017-01-11 | 中国石油化工股份有限公司 | Method and system for obtaining maximum external casing load of salt gypsum rock stratum |
-
2018
- 2018-01-30 CN CN201810089525.5A patent/CN110107276B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5199489A (en) * | 1989-12-01 | 1993-04-06 | Dowell Schlumberger Incorporated | Method of cementing well casing to avoid gas channelling from shallow gas-bearing formations |
| US20020147574A1 (en) * | 2001-02-21 | 2002-10-10 | Ong See Hong | Method of predicting the on-set of formation solid production in high-rate perforated and open hole gas wells |
| RU2285798C1 (en) * | 2005-05-13 | 2006-10-20 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Method to reveal behind-the-casing flows, which cause gypsum deposits |
| CN101936157A (en) * | 2010-08-19 | 2011-01-05 | 中国石油大学(北京) | Method for detecting pore pressure of high pressure saltwater layer by using log information |
| CN102747289A (en) * | 2012-05-31 | 2012-10-24 | 宝山钢铁股份有限公司 | Ultrahigh-strength steel used for petroleum casing pipe, petroleum casing pipe, and manufacturing method thereof |
| CN103195374A (en) * | 2013-03-27 | 2013-07-10 | 西南石油大学 | Method for designing salt rock stratum irregular-shaped sleeve |
| CN105089654A (en) * | 2014-05-14 | 2015-11-25 | 中国石油天然气股份有限公司 | Method for determining saline-gypsum layer sleeve by considering interlayer characteristics |
| CN106321081A (en) * | 2015-07-01 | 2017-01-11 | 中国石油化工股份有限公司 | Method and system for obtaining abnormal formation stress of salt gypsum rock stratum |
| CN106321082A (en) * | 2015-07-01 | 2017-01-11 | 中国石油化工股份有限公司 | Method and system for obtaining maximum external casing load of salt gypsum rock stratum |
Non-Patent Citations (9)
| Title |
|---|
| J. L. DU ET AL.: "Ultra-deep Multiple Salt-gypsum Formation In-situ Stress Prediction and Application in Casing Integrity Evaluation for Tarim Basin Piedmont Area", 《8TH ASIAN ROCK MECHANICS SYMPOSIUM》 * |
| 孙一流等: "塔里木盆地玉科区块超深井膏盐层段套管损坏机理与防治措施", 《天然气工业》 * |
| 朱庆杰等: "《接触互动问题有限元建模ADINA工程应用实例》", 31 January 2015, 中国科学技术出版社 * |
| 田青超等: "《抗挤毁套管产品开发理论和实践》", 30 June 2013, 冶金工业出版社 * |
| 纪宏博等: "深井盐膏层套管变形机理研究", 《中国优秀博士学位论文全文数据库基础科学辑》 * |
| 葛伟凤等: "深部盐膏岩地层套管磨损后等效应力分析", 《中国石油大学学报(自然科学版)》 * |
| 邹灵战等: "深井盐层套管非均匀载荷计算与套管设计方法研究", 《石油钻探技术》 * |
| 郭印同等: "盐膏岩地层油气井套管损坏机理研究", 《中国优秀博士学位论文全文数据库工程科技Ⅰ辑》 * |
| 陆正元等: "《油气田开发地质学》", 30 August 2016, 地质出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183134A (en) * | 2021-07-07 | 2022-03-15 | 中国石油化工股份有限公司 | Shale gas horizontal well ground stress prediction method and system |
| CN114183134B (en) * | 2021-07-07 | 2022-09-13 | 中国石油化工股份有限公司 | Shale gas horizontal well ground stress prediction method and system |
| CN115711114A (en) * | 2021-08-23 | 2023-02-24 | 中国石油天然气股份有限公司 | Shale oil fracturing casing-variable-prevention pump pressure design method |
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