CN106761672B - Every interlayer inter-wells predicting method and device - Google Patents
Every interlayer inter-wells predicting method and device Download PDFInfo
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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
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Abstract
This application provides one kind every interlayer inter-wells predicting method and device, which comprises according to the log of horizontal well, obtains the Horizontal Well Drilling chance first every multiple first drilling points of interlayer；According to multiple first drilling points, the first inclination angle judgment value is obtained；According to the log for leading a well, a well is led described in acquisition and bores chance second every the second drilling point of interlayer；According to second drilling point and any one of first drilling point, the second inclination angle judgment value is obtained；Based on first inclination angle judgment value and second inclination angle judgment value, according to the first preset rules, judge described first every interlayer and described second every interlayer whether be same every interlayer.The application can be realized in horizontal well control range every interlayer inter-wells predicting, guidance adjusts for Tapping Residual Oil, oil reservoir development every interbed distribution law study and provides geologic basis.
Description
Technical field
This application involves oil-gas exploration and development fields, more particularly to one kind is every interlayer inter-wells predicting method and device.
Background technique
The description of this part only provides and discloses relevant background information to the application, without constituting the prior art.
Refer to the opposite impermeability rock stratum that in permeable formation or infiltration interlayer is distributed every interlayer, is not only influenced every interlayer
The vertical seepage flow of fluid in permeable formation, also will affect the horizontal seepage flow of fluid in permeable formation.Therefore, because every the presence of interlayer,
The distribution for changing entire seepage field in permeable formation, makes seepage flow in permeable formation (oil-water movement) change.Be distributed it is stable every
Oil reservoir can be divided into up and down two independent flow units by interlayer；Conversely, then oil reservoir has infiltration pressing connection up and down.It is unstable
Fixed more every interlayer, oil-water movement is more complicated therebetween, and the influence to development effectiveness is also bigger.Therefore, every interlayer to remaining oil
Distribution has important control action, predicts distribution situation every interlayer to instructing the taping the latent power of remaining oil, oil reservoir development adjustment tool
It is significant.
Currently, horizontal well because with wellbore pass through oil reservoir length is longer, the contact surface area of pit shaft and oil reservoir is larger, single
The advantages such as well production and production efficiency are higher, are widely applied in oil field development.Therefore, for level of taping the latent power as far as possible
Well remaining oil provides geologic basis for oil reservoir development adjustment, it is necessary between in horizontal well control range every interlayer carries out well
Prediction.
It should be noted that the above description of the technical background be intended merely to it is convenient to the technical solution of the application carry out it is clear,
Complete explanation, and facilitate the understanding of those skilled in the art and illustrate.Cannot merely because these schemes the application's
Background technology part is expounded and thinks that above-mentioned technical proposal is known to those skilled in the art.
Summary of the invention
The application embodiment is designed to provide one kind every interlayer inter-wells predicting method and device, to realize horizontal well
In control range every interlayer inter-wells predicting, guidance is mentioned every interbed distribution law study for Tapping Residual Oil, oil reservoir development adjustment
For geologic basis.
To achieve the goals above, this application provides the following technical solutions.
One kind is every interlayer inter-wells predicting method, comprising: to lead the plane that well place straight line and a horizontal well finishing drilling point determine
For benchmark face, the track for leading a well and horizontal well is projected on the datum level；According to the log of horizontal well, institute is obtained
Horizontal Well Drilling chance first is stated every multiple first drilling points of interlayer；Multiple first drilling points are obtained on the datum level
First level difference and the first difference in height；Based on the first level difference and the first difference in height, the first inclination angle judgment value is obtained；According to
The log of a well is led, a well is led described in acquisition and bores chance second every the second drilling point of interlayer；Described first is obtained every interlayer
The first lithology at multiple first drilling points；Obtain described second the second rock every interlayer at second drilling point
Property；When first lithology is identical with second lithology, obtains second drilling point and any one of first and bore
Meet second level error and second difference in height of the point on the datum level；Based on second level error and the second difference in height, obtain
Take the second inclination angle judgment value；When the difference of first inclination angle judgment value and second inclination angle judgment value is less than or equal to first
When predetermined threshold, judge described first every interlayer and described second every interlayer to be same every interlayer, the horizontal well and described lead
It is same every interlayer that eye well bores chance；According to first inclination angle judgment value and/or second inclination angle judgment value, described first is obtained
Every interlayer and/or described second every the first inclination angle of interlayer；Obtain described second it is corresponding every interlayer described in lead a well and meet position boring
Set second inclination angle at place；When the difference at first inclination angle and second inclination angle is less than or equal to the second predetermined threshold, institute
It is that the same judging result every interlayer is correct every interlayer that first, which is stated, every interlayer and described second.
One kind is every interlayer inter-wells predicting method, comprising: according to the log of horizontal well, obtains the Horizontal Well Drilling and meets the
One every interlayer multiple first drilling points；According to multiple first drilling points, the first inclination angle judgment value is obtained；According to leading a well
Log, lead described in acquisition well bore meet second every interlayer the second drilling point；According to second drilling point and arbitrarily
One first drilling point obtains the second inclination angle judgment value；Sentenced based on first inclination angle judgment value and second inclination angle
Disconnected value, according to the first preset rules, judge described first every interlayer and described second every interlayer whether be same every interlayer.
One kind is every interlayer inter-wells predicting device, comprising: the first drilling point obtains module, for bent according to the well logging of horizontal well
Line obtains the Horizontal Well Drilling chance first every multiple first drilling points of interlayer；First inclination angle judgment value obtains module, is used for root
According to multiple first drilling points, the first inclination angle judgment value is obtained；Second drilling point obtains module, for according to the survey for leading a well
Well curve, lead described in acquisition well bore meet second every interlayer the second drilling point；Second inclination angle judgment value obtains module, is used for root
According to second drilling point and any one of first drilling point, the second inclination angle judgment value is obtained；Judgment module, for being based on
First inclination angle judgment value and second inclination angle judgment value, according to the first preset rules, judge described first every interlayer and
Whether described second every interlayer be same every interlayer.
By above the application embodiment provide technical solution as it can be seen that the application by abundant application level well between well
Repeatedly pass through the characteristic every interlayer, obtain Horizontal Well Drilling meet first every interlayer multiple first drilling points, and according to leading a well
Log, which obtains, leads a well brill chance second every the second drilling point of interlayer, thus the first inclination angle based on multiple first drilling points
Second inclination angle judgment value of judgment value and the second drilling point and any one the first drilling point, determined level well bore meet first every
Interlayer and lead well bore meet second every interlayer whether be same every interlayer, thus realize in horizontal well control range every interlayer
Inter-wells predicting is guidance every interbed distribution law study, remaining oil is dug to provide a kind of new approaches every interlayer inter-wells predicting
Latent, oil reservoir development adjustment provides geologic basis.
In addition, the prediction process every interlayer inter-wells predicting method of the application embodiment also includes lithology verifying, leads eye
Well-horizontal well verifies a variety of verification methods every interlayer inclination angle contrast verification, inclination angle, to improve every interlayer inter-wells predicting result
Accuracy, high reliablity.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution in the application embodiment
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiment party of the application
Formula without creative efforts, can also obtain according to these attached drawings for those of ordinary skill in the art
Obtain other attached drawings.
Fig. 1 is the flow chart every interlayer inter-wells predicting method of one embodiment of the application；
Fig. 2 is one embodiment of the application every the sub-step for obtaining the first inclination angle judgment value in interlayer inter-wells predicting method
Rapid flow chart；
Fig. 3 is one embodiment of the application every the sub-step for obtaining the second inclination angle judgment value in interlayer inter-wells predicting method
Rapid flow chart；
Fig. 4 is the flow chart every interlayer inter-wells predicting method of the application another embodiment；
Fig. 5 is the flow chart every interlayer inter-wells predicting method of the application another embodiment；
Fig. 6 is to lead a well, horizontal well, the perspective view every interlayer, log on datum level；
Fig. 7 is the flow chart every interlayer inter-wells predicting method of the application another embodiment；
Fig. 8 is the module map every interlayer inter-wells predicting device of one embodiment of the application；
Fig. 9 is the module map every interlayer inter-wells predicting device of the application another embodiment；
Figure 10 is the module map every interlayer inter-wells predicting device of the application another embodiment.
Specific embodiment
Below in conjunction with the attached drawing in the application embodiment, the technical solution in the application embodiment is carried out clear
Chu is fully described by, it is clear that described embodiment is only a part of embodiment of the application, rather than whole realities
Apply mode.Based on the embodiment in the application, those of ordinary skill in the art institute without creative efforts
The all other embodiment obtained, shall fall in the protection scope of this application.
Referring to Fig. 1, one kind of one embodiment offer of the application may include following every interlayer inter-wells predicting method
Step.
Step S10: it according to the log of horizontal well, obtains the Horizontal Well Drilling chance first and is bored every multiple the first of interlayer
Meet point.
Before horizontal well drilling, it will usually set the finishing drilling point i.e. target spot of horizontal well.Drill bit is in the process crept into target spot
In, what hole angle and azimuth usually adjusted in real time, in this way, the well track for leading to horizontal well is not straight line, such as Fig. 6 institute
Show, in this way, horizontal well would generally be repeatedly across same every interlayer between well.
In general, can realize the real-time detection to horizontal well drilling process by log.Generally, geologic lithology is not
With, in this way, log has corresponding response when drill bit bores the geology for meeting different lithology.Therefore, according to log
Response, can qualitatively judge corresponding lithology, and then can know the corresponding geological condition of the lithology.
Every interlayer by lithology can be divided into shale every interlayer, it is calcareous every interlayer and calcium shale every interlayer, table 1 shows this three kinds
The different classes of response characteristic every the lithology and different lithology of interlayer on log.Therefore, according on log
Response characteristic, can identify corresponding lithology, so may determine that bore meet every interlayer.
Table 1 distinguishes the log response characteristics every interlayer according to lithology
In the present embodiment, the log of horizontal well may include following at least one: nutural potential logging is bent
Line, Natural Gamma-ray Logging Curves, density log curve, neutron well logging curve.Using above-mentioned log, and according to above-mentioned well logging
The response characteristic of curve, integrated water horizontal well between well repeatedly pass through every interlayer characteristic, can identify Horizontal Well Drilling meet first every
Multiple first drilling points of interlayer.
Specifically, first can be met to determine whether boring according to the response of log, the mainly amplitude of log
Every interlayer.As shown in fig. 6, the amplitude of horizontal wellbore logging curve occurs, compared with macromutation, there are two point, respectively point A and point B, then
Point A and point B is two first drilling points of the Horizontal Well Drilling chance first every interlayer.
For convenient for be subsequent, according to multiple first drilling points, acquisition first is being obtained every the first inclination angle judgment value of interlayer
Before multiple first drilling points, the method can also include: to be determined with the finishing drilling point for leading a well place straight line and horizontal well
Plane is benchmark face, and the track for leading a well and horizontal well is projected on the datum level.Specifically, in practice can be using correlation
Geology software such as resform, petrel may be implemented to project well track on datum level.
Step S20: according to multiple first drilling points, the first inclination angle judgment value is obtained.
In the present embodiment, the first inclination angle judgment value can be used for identifying first every interlayer inclined degree and tendency feelings
Condition.Specifically, in conjunction with shown in Fig. 2 and Fig. 6, the step of obtaining the first inclination angle judgment value, be can specifically include:
Step S201: first level difference and first height of multiple first drilling points on the datum level are obtained
Difference；
Step S202: being based on the first level difference and the first difference in height, obtains described first every the of the inclination angle of interlayer
One trigonometric function value；
Step S203: using first trigonometric function value as first inclination angle judgment value.
In the present embodiment, still illustrate by taking two first drilling points A and B shown in Fig. 6 as an example.Two first brills are met
First level difference of the point A and B on datum level is Δ l1, the first difference in height is Δ h1.It is Δ l according to first level difference1With first
Difference in height is Δ h1, the first trigonometric function value of the angle α between interlayer and horizontal plane of the first of available Horizontal Well Drilling chance.
Specifically, the first trigonometric function value can for first every the inclination alpha of interlayer sine value
Cosine valueTangent valueCotangent valueIn any one.By above-mentioned institute
For any one in four the first trigonometric function values of column as first inclination angle judgment value, the application is not construed as limiting this.
Step S30: according to the log for leading a well, a well is led described in acquisition and bores chance second every the second brill chance of interlayer
Point.
In general, leading a well is also referred to as straight well.Therefore, the well track for leading a well is generally straight line, as shown in fig. 6, working as well
Between exist when interlayer, lead a well usually and will only pass through and is primary every interlayer.
In the present embodiment, the log for leading a well equally may include following at least one: natural potential is surveyed
Well curve, Natural Gamma-ray Logging Curves, density log curve, neutron well logging curve.With being described above, according to the well logging for leading a well
Curve can, and according to the response characteristic of above-mentioned log, a comprehensive well of leading passes through the characteristic primary every interlayer between well, can be with
Identification leads a well and bores chance second every the second drilling point of interlayer.
Step S40: according to second drilling point and any one of first drilling point, the judgement of the second inclination angle is obtained
Value.
In order to Horizontal Well Drilling is met first every interlayer and lead well bore meet second every interlayer whether be between well it is continuous
Tentatively judged every interlayer, can according to log by identification first every interlayer and second every interlayer lithology, and
Decide whether to execute acquisition second again every the second inclination angle judgment value of interlayer the step of according to the result of Lithology Discrimination.
Specifically, referring to Fig. 4, in one embodiment, after the step of obtaining the second drilling point, the side
Method further includes following steps:
Step S31: described first the first lithology every interlayer at multiple first drilling points is obtained；
Step S32: described second the second lithology every interlayer at second drilling point is obtained；
Step S33: it when first lithology is identical with second lithology, just executes and obtains the second inclination angle judgement
The step of value.
It in the present embodiment, can be with preliminary judgement first every interlayer when judging that the first lithology is identical with the second lithology
And second be continuous between well every interlayer.And then the second inclination angle judgment value is obtained, and utilize step S50 to first every folder
Layer and second every interlayer whether be it is same further judged every interlayer, with raising every the accurate of interlayer inter-wells predicting result
Property.
In conjunction with shown in Fig. 3 and Fig. 6, obtain the second inclination angle judgment value the step of can specifically include:
Step S401: the of second drilling point and any one of first drilling point on the datum level is obtained
Two level errors and the second difference in height；
Step S402: being based on second level error and the second difference in height, obtains described second every the of the inclination angle of interlayer
Two trigonometric function values；
Step S403: using second trigonometric function value as second inclination angle judgment value.
As shown in Figure 6, it is assumed that lead well bore meet second every the second drilling point of interlayer be point C.In the present embodiment, with
Illustrate for two the first drilling point A and the second drilling point C shown in Fig. 6.First drilling point A and the second drilling point C are in base
The second level error on quasi- face is Δ l2, the second difference in height is Δ h2.It is Δ l according to the second level error2It is Δ with the second difference in height
h2, it is available lead well bore meet second between interlayer and horizontal plane angle β the second trigonometric function value.
Specifically, the second trigonometric function value can be the sine value of the first angle β between interlayer and horizontal planeCosine valueTangent valueCotangent valueIn
Any one.Using any one in above-mentioned four listed the second trigonometric function values as second inclination angle judgment value,
The application is not construed as limiting this.
And when the first lithology and the second lithology difference, then it may determine that first every interlayer and second is not same every interlayer
There is interruption or discontinuous every interlayer between interlayer, horizontal well and the well for leading a well.
Step S50: being based on first inclination angle judgment value and second inclination angle judgment value, according to the first preset rules,
Judge described first every interlayer and described second every interlayer whether be same every interlayer.
It in the present embodiment, can according to the first preset rules based on the first inclination angle judgment value and the second inclination angle judgment value
With to first every interlayer and second every interlayer whether be same to judge every interlayer.Specifically, the first preset rules can wrap
Include: whether the difference of the first inclination angle judgment value and the second inclination angle judgment value is less than or equal to the first predetermined threshold.
Please continue to refer to Fig. 1, carrying out judgement according to the first preset rules may include:
Step S501: described in being less than or equal to when the difference of first inclination angle judgment value and second inclination angle judgment value
When the first predetermined threshold, described first every interlayer and described second every interlayer be it is same every interlayer, the horizontal well and described lead
It is same every interlayer that eye well bores chance.
Step S502: when the difference of first inclination angle judgment value and second inclination angle judgment value is greater than described first in advance
When determining threshold value, described first every interlayer and described second is not same every interlayer every interlayer, the horizontal well and described leads a well
Well between exist it is discontinuous or disconnect every interlayer.
In the present embodiment, the first predetermined threshold can be set according to the actual situation, can be specific for one
Numerical value such as 0.1, the application is not construed as limiting this.
In a specific application scenarios, the first inclination angle judgment value isSecond inclination angle judgment value isWhen the difference of tan α and tan β are less than or equal to 0.1, judge first every interlayer with second every interlayer to be same
Every interlayer.
It is the same situation every interlayer every interlayer that Fig. 6, which schematically illustrates first every interlayer and second, i.e., deposits between well
Every interlayer the second drilling point C successively should be extended to by the first drilling point A, the first drilling point B, at this point, the first drilling point A,
First drilling point B and the second drilling point C are on the same line.Therefore, by the first drilling point A, the first drilling point B determine every folder
The second inclination angle judgment value phase that the first inclination angle judgment value and the second drilling point C and any one first drilling point A or B of layer determine
Deng.
It correspondingly, is not same when interlayer every interlayer every interlayer and second when first, then, by multiple first drilling points
Determining sentences every the second inclination angle that the first inclination angle judgment value of interlayer and the second drilling point are determined with any one first drilling point
Disconnected value is unequal.
Therefore, anti-verifying, the feasibility every interlayer inter-wells predicting method of the application embodiment are pushed away by above-mentioned.
The application embodiment every interlayer inter-wells predicting method, repeatedly passed through between well by abundant application level well every
The characteristic of interlayer obtains Horizontal Well Drilling chance first every multiple first drilling points of interlayer, and is obtained according to the log for leading a well
Take lead well bore meet second every interlayer the second drilling point, thus the first inclination angle judgment value based on multiple first drilling points and the
Second inclination angle judgment value of two drilling points and any one the first drilling point, determined level well bore meet first every interlayer and lead eye
Well bore meet second every interlayer whether be same every interlayer, thus realize in horizontal well control range every interlayer inter-wells predicting,
To provide a kind of new approaches every interlayer inter-wells predicting, to instruct every interbed distribution law study, Tapping Residual Oil, oil reservoir development
Adjustment provides geologic basis.
Referring to Fig. 5, in one embodiment, the method can also include:
Step S60: when judge described first every interlayer and described second every interlayer to be same when interlayer, according to described
One inclination angle judgment value and/or second inclination angle judgment value obtain described first every interlayer and/or described second every the of interlayer
One inclination angle.
In the present embodiment, when judge first every interlayer and second every interlayer to be same when interlayer, then first every folder
Layer inclination alpha and second every interlayer angle of inclination beta it is equal.At this point, being inclined according to the first inclination angle judgment value obtained in advance and/or second
Angle judgment value can be obtained first every interlayer and/or second every the first inclination angle of interlayer by antitrigonometric function.
Specifically, being exemplified as, when the first inclination angle judgment value isSecond inclination angle judgment value is
When, thenCan using any one in α and β as the first inclination angle, alternatively,
It can be by the average value of α and βAs the first inclination angle.
By obtaining first every interlayer and/or second every the first inclination angle of interlayer, to horizontal well and a well can be led pass through
Same quantitatively judged every the inclination of interlayer and tendency situation.
Please continue to refer to Fig. 5, in one embodiment, the method further comprises following steps:
Step S70: a well is led described in acquisition described second is corresponding every interlayer and is boring the second inclination angle met at position；
Step S80: being based on first inclination angle and second inclination angle, according to the second preset rules, to described first every
Interlayer and described second is verified every interlayer for the same judging result every interlayer.
It in the present embodiment, can be by way of obtaining and leading a well dip information, alternatively, gyroscopic survey can be passed through
The mode of instrument obtains second and is boring the second inclination angle met at position every the corresponding well of leading of interlayer, and therefore not to repeat here by the application.
It in the present embodiment, can be to step S50 according to the second preset rules based on the first inclination angle and the second inclination angle
In first every interlayer and second every interlayer be the same judging result every interlayer correctness verified, to further increase
Every the accuracy of interlayer inter-wells predicting result.Specifically, second preset rules may include: first inclination angle and described
Whether the difference at the second inclination angle is less than or equal to the second predetermined threshold.
Please continue to refer to Fig. 5, carrying out judgement according to the second preset rules may include:
Step S801: when the difference at first inclination angle and second inclination angle is less than or equal to second predetermined threshold
When, described first is correct for the same judging result every interlayer every interlayer every interlayer and described second.
Step S802: when the difference at first inclination angle and second inclination angle is greater than second predetermined threshold, institute
It is that the same judging result every interlayer is incorrect every interlayer that first, which is stated, every interlayer and described second.
In the present embodiment, the second predetermined threshold can be set according to the actual situation, can be specific for one
Such as 0.1 ° of numerical value, the application is not construed as limiting this.
In a specific application scenarios, the first inclination angle is α, and the second inclination angle is γ, when the difference of α and γ is less than or waits
When 0.1 °, it is just that first made in verification step S50, which is the same judging result every interlayer every interlayer every interlayer and second,
True.Otherwise, illustrate made in step S50 first every interlayer and second every interlayer be the same judging result every interlayer not just
Really.
Referring to Fig. 7, the application another embodiment provide it is a kind of every interlayer inter-wells predicting method may include with
Lower step:
Step S101: the plane determined using straight line where leading well and horizontal well finishing drilling point as benchmark face, will lead a well with
The track of horizontal well is projected on the datum level；
Step S102: it according to the log of horizontal well, obtains the Horizontal Well Drilling and meets first every multiple the first of interlayer
Drilling point；
Step S103: first level difference and first height of multiple first drilling points on the datum level are obtained
Difference；
Step S104: being based on the first level difference and the first difference in height, obtains the first inclination angle judgment value；
Step S105: according to the log for leading a well, a well is led described in acquisition and bores chance second every the second brill chance of interlayer
Point；
Step S106: described first the first lithology every interlayer at multiple first drilling points is obtained；
Step S107: described second the second lithology every interlayer at second drilling point is obtained；
Step S108: when first lithology is identical with second lithology, second drilling point and any is obtained
Second level error and second difference in height of one first drilling point on the datum level；
Step S109: being based on second level error and the second difference in height, obtains the second inclination angle judgment value；
Step S110: when the difference of first inclination angle judgment value and second inclination angle judgment value is less than or equal to first
When predetermined threshold, judge described first every interlayer and described second every interlayer to be same every interlayer, the horizontal well and described lead
It is same every interlayer that eye well bores chance；
Step S111: according to first inclination angle judgment value and/or second inclination angle judgment value, obtain described first every
Interlayer and/or described second is every the first inclination angle of interlayer；
Step S112: a well is led described in acquisition described second is corresponding every interlayer and is boring the second inclination angle met at position；
Step S113: when the difference at first inclination angle and second inclination angle is less than or equal to the second predetermined threshold,
Described first is correct for the same judging result every interlayer every interlayer every interlayer and described second.
Before a kind of specific embodiment every each step in interlayer inter-wells predicting method of the application embodiment please refers to
Text description, details are not described herein by the application.
The application embodiment every interlayer inter-wells predicting method, repeatedly passed through between well by abundant application level well every
The characteristic of interlayer obtains Horizontal Well Drilling chance first every multiple first drilling points of interlayer, and is obtained according to the log for leading a well
Take lead well bore meet second every interlayer the second drilling point, thus the first inclination angle judgment value based on multiple first drilling points and the
Second inclination angle judgment value of two drilling points and any one the first drilling point, determined level well bore meet first every interlayer and lead eye
Well bore meet second every interlayer whether be same every interlayer, thus realize in horizontal well control range every interlayer inter-wells predicting,
To provide a kind of new approaches every interlayer inter-wells predicting, to instruct every interbed distribution law study, Tapping Residual Oil, oil reservoir development
Adjustment provides geologic basis.
In addition, the prediction process every interlayer inter-wells predicting method of the application embodiment also includes lithology verifying, leads eye
Well-horizontal well verifies a variety of verification methods every interlayer inclination angle contrast verification, inclination angle, to improve every interlayer inter-wells predicting result
Accuracy, high reliablity.
Based on same design, embodiment further provides one kind every interlayer inter-wells predicting device, such as following reality by the application
It applies described in mode.Due to the principle solved the problems, such as every interlayer inter-wells predicting device, and the technical effect that can obtain with every folder
Layer inter-wells predicting method is similar, therefore may refer to every the implementation of interlayer inter-wells predicting device above-mentioned every interlayer inter-wells predicting method
Implementation, overlaps will not be repeated.Term " module " used below, can be based on software realization, is also possible to base
In hardware realization, it can also be and realized in a manner of software and hardware combining.
Referring to Fig. 8, one embodiment offer of the application may include: that the first brill is met every interlayer inter-wells predicting device
Point obtains module 10, and the first inclination angle judgment value obtains module 20, and the second drilling point obtains module 30, and the second inclination angle judgment value obtains
Module 40, judgment module 50.
First drilling point, which obtains module 10, can be used for the log according to horizontal well, obtain the Horizontal Well Drilling
Multiple first drilling points of the chance first every interlayer；
First inclination angle judgment value, which obtains module 20, can be used for obtaining first according to multiple first drilling points and inclining
Angle judgment value；
Second drilling point obtains mould, and 30 can be used for the log that basis leads a well, and a well is led described in acquisition and is bored
Second drilling point of the chance second every interlayer；
Second inclination angle judgment value, which obtains module 40, can be used for according to second drilling point and any one of
First drilling point obtains the second inclination angle judgment value；
The judgment module 50 can be used for being based on first inclination angle judgment value and second inclination angle judgment value, according to
First preset rules, judge described first every interlayer and described second every interlayer whether be same every interlayer.
Referring to Fig. 9, in one embodiment, described every interlayer inter-wells predicting device may include: that the first lithology obtains
Modulus block 31, the second lithology obtain module 32 and lithology comparison module 33.
First lithology, which obtains module 31, can be used for obtaining described first every interlayer in multiple first drilling points
First lithology at place；
Second lithology obtain module 32 can be used for obtaining described second every interlayer at second drilling point second
Lithology；
Lithology comparison module 33 can be used for the first lithology described in comparison and whether second lithology is identical.
Referring to Fig. 10, in one embodiment, it is described to include: every interlayer inter-wells predicting device
First inclination angle obtains module 60, and first inclination angle, which obtains module 60, can be used for when judging described first every interlayer
Every interlayer be with described second it is same when interlayer, according to first inclination angle judgment value and/or second inclination angle judgment value,
Described first is obtained every interlayer and/or described second every the first inclination angle of interlayer.
Further, it is described every interlayer inter-wells predicting device can also include: the second inclination angle obtain module 70, authentication module
80。
Second inclination angle obtain module 70 can be used for obtaining described second it is corresponding every interlayer described in lead a well and meet boring
The second inclination angle at position；
The authentication module 80 can be used for based on first inclination angle and second inclination angle, according to the second default rule
It then, is that the same judging result every interlayer is verified every interlayer every interlayer and described second to described first.
Present embodiment provides corresponding every interlayer inter-wells predicting method with the application every interlayer inter-wells predicting device, can
To realize the application every the technical effect of interlayer inter-wells predicting method, details are not described herein.
It should be noted that term " first ", " second " etc. are used for description purposes only and distinguish in the description of the present application
Similar object between the two and is not present sequencing, can not be interpreted as indication or suggestion relative importance.In addition,
In the description of the present application, unless otherwise indicated, the meaning of " plurality " is two or more.
In the 1990s, the improvement of a technology can be distinguished clearly be on hardware improvement (for example,
Improvement to circuit structures such as diode, transistor, switches) or software on improvement (improvement for method flow).So
And with the development of technology, the improvement of current many method flows can be considered as directly improving for hardware circuit.
Designer nearly all obtains corresponding hardware circuit by the way that improved method flow to be programmed into hardware circuit.Cause
This, it cannot be said that the improvement of a method flow cannot be realized with hardware entities module.For example, programmable logic device
(Programmable Logic Device, PLD) (such as field programmable gate array (Field Programmable Gate
Array, FPGA)) it is exactly such a integrated circuit, logic function determines device programming by user.By designer
Voluntarily programming comes a digital display circuit " integrated " on a piece of PLD, designs and makes without asking chip maker
Dedicated IC chip.Moreover, nowadays, substitution manually makes IC chip, this programming is also used instead mostly " is patrolled
Volume compiler (logic compiler) " software realizes that software compiler used is similar when it writes with program development,
And the source code before compiling also write by handy specific programming language, this is referred to as hardware description language
(Hardware Description Language, HDL), and HDL is also not only a kind of, but there are many kind, such as ABEL
(Advanced Boolean Expression Language)、AHDL(Altera Hardware Description
Language)、Confluence、CUPL(Cornell University Programming Language)、HDCal、JHDL
(Java Hardware Description Language)、Lava、Lola、MyHDL、PALASM、RHDL(Ruby
Hardware Description Language) etc..VHDL (Very-High-Speed is most generally used at present
Integrated Circuit Hardware Description Language) and Verilog2.Those skilled in the art
It will be apparent to the skilled artisan that only needing method flow slightly programming in logic and being programmed into integrated circuit with above-mentioned several hardware description languages
In, so that it may it is easier to the hardware circuit of the accomplished logical method process.
For convenience of description, it is divided into various modules when description apparatus above with function to describe respectively.Certainly, implementing this
The function of each module can be realized in the same or multiple software and or hardware when application.
As seen through the above description of the embodiments, those skilled in the art can be understood that the application can
It realizes by means of software and necessary general hardware platform.Based on this understanding, the technical solution essence of the application
On in other words the part that contributes to existing technology can be embodied in the form of software products.In a typical configuration
In, calculating equipment includes one or more processors (CPU), input/output interface, network interface and memory.The computer is soft
Part product may include that some instructions are used so that a computer equipment (can be personal computer, server or network
Equipment etc.) execute method described in certain parts of each embodiment of the application or embodiment.The computer software produces
Product can store in memory, and memory may include the non-volatile memory in computer-readable medium, random access memory
The forms such as device (RAM) and/or Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is to calculate
The example of machine readable medium.Computer-readable medium includes that permanent and non-permanent, removable and non-removable media can be with
Realize that information is stored by any method or technique.Information can be computer readable instructions, data structure, the module of program or
Other data.The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory
(SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory
(ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory techniques, CD-ROM are read-only
Memory (CD-ROM), digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or
Other magnetic storage devices or any other non-transmission medium, can be used for storage can be accessed by a computing device information.According to
Herein defines, and computer-readable medium does not include of short duration computer readable media (transitory media), such as modulation
Data-signal and carrier wave.
Each embodiment in this specification is described in a progressive manner, same and similar between each embodiment
Part may refer to each other, what each embodiment stressed is the difference with other embodiment.In particular, right
For device embodiments, since its function is substantially similar to method implementation, so be described relatively simple, correlation
Place illustrates referring to the part of method implementation.
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that there are many deformations by the application
With variation without departing from spirit herein, it is desirable to which the attached claims include these deformations and change without departing from the application
Spirit.
Claims (20)
1. one kind is every interlayer inter-wells predicting method characterized by comprising
The plane determined using straight line where leading a well and horizontal well finishing drilling point throws the track for leading a well and horizontal well as benchmark face
Shadow is on the datum level；
According to the log of horizontal well, the Horizontal Well Drilling chance first is obtained every multiple first drilling points of interlayer；
Obtain first level difference and first difference in height of multiple first drilling points on the datum level；
Based on the first level difference and the first difference in height, the first inclination angle judgment value is obtained；
According to the log for leading a well, a well is led described in acquisition and bores chance second every the second drilling point of interlayer；
Obtain described first the first lithology every interlayer at multiple first drilling points；
Obtain described second the second lithology every interlayer at second drilling point；
When first lithology is identical with second lithology, obtains second drilling point and any one of first and bore
Meet second level error and second difference in height of the point on the datum level；
Based on second level error and the second difference in height, the second inclination angle judgment value is obtained；
When the difference of first inclination angle judgment value and second inclination angle judgment value is less than or equal to the first predetermined threshold, sentence
Break described first every interlayer and described second every interlayer be it is same every interlayer, the horizontal well and it is described lead a well bore meet it is same every
Interlayer；
According to first inclination angle judgment value and/or second inclination angle judgment value, described first is obtained every interlayer and/or described
Second every the first inclination angle of interlayer；
Obtain described second it is corresponding every interlayer described in lead a well and boring the second inclination angle met at position；
When the difference at first inclination angle and second inclination angle is less than or equal to the second predetermined threshold, described first every interlayer
It is correct for the same judging result every interlayer every interlayer with described second.
2. one kind is every interlayer inter-wells predicting method characterized by comprising
According to the log of horizontal well, the Horizontal Well Drilling chance first is obtained every multiple first drilling points of interlayer；
According to multiple first drilling points, the first inclination angle judgment value is obtained；
According to the log for leading a well, a well is led described in acquisition and bores chance second every the second drilling point of interlayer；
According to second drilling point and any one of first drilling point, the second inclination angle judgment value is obtained；
Described first is judged according to the first preset rules based on first inclination angle judgment value and second inclination angle judgment value
Every interlayer and described second every interlayer whether be same every interlayer.
3. as claimed in claim 2 every interlayer inter-wells predicting method, which is characterized in that
The log of the horizontal well and the log for leading a well include following at least one: nutural potential logging
Curve, Natural Gamma-ray Logging Curves, density log curve, neutron well logging curve.
4. as claimed in claim 2 every interlayer inter-wells predicting method, which is characterized in that obtaining second inclination angle judgment value
The step of before, the method also includes:
Obtain described first the first lithology every interlayer at multiple first drilling points；
Obtain described second the second lithology every interlayer at second drilling point；
When first lithology is identical with second lithology, the step of obtaining the second inclination angle judgment value is executed.
5. as claimed in claim 4 every interlayer inter-wells predicting method, which is characterized in that
When first lithology and the second lithology difference, judge that described first is not every interlayer every interlayer and described second
It is same every interlayer.
6. as claimed in claim 2 every interlayer inter-wells predicting method, which is characterized in that in the step for obtaining multiple first drilling points
Before rapid, the method also includes:
Using it is described lead well where the plane that determines of the finishing drilling point of straight line and the horizontal well as benchmark face, by it is described lead a well with
The track of the horizontal well is projected on the datum level.
7. as claimed in claim 6 every interlayer inter-wells predicting method, which is characterized in that in the step for obtaining the first inclination angle judgment value
Include: in rapid
Obtain first level difference and first difference in height of multiple first drilling points on the datum level；
Based on the first level difference and the first difference in height, obtain described first every the inclination angle of interlayer the first trigonometric function value；
Using first trigonometric function value as first inclination angle judgment value.
8. as claimed in claim 6 every interlayer inter-wells predicting method, which is characterized in that in the step for obtaining the second inclination angle judgment value
Include: in rapid
Obtain the second level error on the datum level of second drilling point and any one of first drilling point and the
Two differences in height；
Based on second level error and the second difference in height, obtain described second every the inclination angle of interlayer the second trigonometric function value；
Using second trigonometric function value as second inclination angle judgment value.
9. as claimed in claim 2 every interlayer inter-wells predicting method, which is characterized in that
First preset rules include: whether the difference of first inclination angle judgment value and second inclination angle judgment value is less than
Or it is equal to the first predetermined threshold.
10. as claimed in claim 9 every interlayer inter-wells predicting method, which is characterized in that
When the difference of first inclination angle judgment value and second inclination angle judgment value is less than or equal to first predetermined threshold
When, judge that described first bores to be same every interlayer, i.e., the described horizontal well and a well of leading every interlayer and described second every interlayer
It meets same every interlayer.
11. as claimed in claim 9 every interlayer inter-wells predicting method, which is characterized in that
When the difference of first inclination angle judgment value and second inclination angle judgment value is greater than first predetermined threshold, judgement
Described first every interlayer and described second is not same to deposit between interlayer, i.e., the described horizontal well and the well for leading a well every interlayer
Discontinuous or disconnection every interlayer.
12. as described in claim 2 or 10 every interlayer inter-wells predicting method, which is characterized in that
When judge described first every interlayer and described second every interlayer to be same when interlayer, according to first inclination angle judgment value
And/or second inclination angle judgment value, described first is obtained every interlayer and/or described second every the first inclination angle of interlayer.
13. as claimed in claim 12 every interlayer inter-wells predicting method, which is characterized in that the method also includes:
Obtain described second it is corresponding every interlayer described in lead a well and boring the second inclination angle met at position；
Based on first inclination angle and second inclination angle, according to the second preset rules, to described first every interlayer and described
Two are verified every interlayer for the same judging result every interlayer.
14. as claimed in claim 13 every interlayer inter-wells predicting method, which is characterized in that
Second preset rules include: that whether to be less than or equal to second pre- for the difference at first inclination angle and second inclination angle
Determine threshold value.
15. as claimed in claim 14 every interlayer inter-wells predicting method, which is characterized in that
When the difference at first inclination angle and second inclination angle be less than or equal to second predetermined threshold when, described first every
Interlayer and described second every interlayer be the same judging result every interlayer it is correct.
16. as claimed in claim 14 every interlayer inter-wells predicting method, which is characterized in that
When the difference at first inclination angle and second inclination angle is greater than second predetermined threshold, described first every interlayer and
Described second is incorrect for the same judging result every interlayer every interlayer.
17. one kind is every interlayer inter-wells predicting device characterized by comprising
First drilling point obtains module, for the log according to horizontal well, obtains the Horizontal Well Drilling and meets first every interlayer
Multiple first drilling points；
First inclination angle judgment value obtains module, for obtaining the first inclination angle judgment value according to multiple first drilling points；
Second drilling point obtains module, and the log of a well is led for basis, and a well is led described in acquisition and bores chance second every interlayer
The second drilling point；
Second inclination angle judgment value obtains module, for obtaining according to second drilling point and any one of first drilling point
Take the second inclination angle judgment value；
Judgment module, for being based on first inclination angle judgment value and second inclination angle judgment value, according to the first preset rules,
Judge described first every interlayer and described second every interlayer whether be same every interlayer.
18. as claimed in claim 17 every interlayer inter-wells predicting device, which is characterized in that described device further include:
First lithology obtains module, for obtaining described first the first lithology every interlayer at multiple first drilling points；
Second lithology obtains module, for obtaining described second the second lithology every interlayer at second drilling point；
Whether lithology comparison module is identical for first lithology and second lithology.
19. as claimed in claim 17 every interlayer inter-wells predicting device, which is characterized in that described device further include:
First inclination angle obtain module, for when judge described first every interlayer and described second every interlayer to be same when interlayer,
According to first inclination angle judgment value and/or second inclination angle judgment value, described first is obtained every interlayer and/or described second
Every the first inclination angle of interlayer.
20. as claimed in claim 19 every interlayer inter-wells predicting device, which is characterized in that described device further include:
Second inclination angle obtains module, for obtain described second every interlayer it is corresponding described in lead a well and meet second inclining at position boring
Angle；
Authentication module, for being based on first inclination angle and second inclination angle, according to the second preset rules, to described first every
Interlayer and described second is verified every interlayer for the same judging result every interlayer.
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| CN107589469B (en) * | 2017-08-04 | 2019-07-09 | 中国石油天然气股份有限公司 | The determination method and apparatus of oil-water interfaces |
| CN109424359B (en) * | 2017-09-05 | 2022-07-19 | 中国石油化工股份有限公司 | Horizontal well interlayer identification method |
| CN110359841B (en) * | 2019-07-10 | 2020-11-03 | 中国石油天然气股份有限公司 | Horizontal well trajectory determination method |
| CN113719268B (en) * | 2020-05-11 | 2024-02-23 | 中国石油化工股份有限公司 | Well interval interlayer prediction method, well interval interlayer prediction device, electronic equipment and medium |
| CN113536574B (en) * | 2021-07-20 | 2023-02-17 | 北京蓝海智信能源技术有限公司 | Geological oriented modeling method, system and computer readable storage medium |
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