CN107038300A - PDC drill bit rock drillability Forecasting Methodology and device under a kind of different temperatures - Google Patents
PDC drill bit rock drillability Forecasting Methodology and device under a kind of different temperatures Download PDFInfo
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Abstract
The invention provides PDC drill bit rock drillability Forecasting Methodology and device under a kind of different temperatures, method includes：Determine PDC drill bit rock-drillability index value of different types of rock specimens under different preset temperatures and the interval transit time under experiment initial temperature；PDC drill bit rock-drillability index value and rock temperature model are set up according to PDC drill bit rock-drillability index value；PDC drill bit rock-drillability index value and interval transit time model are set up according to the acoustic wave of rock time difference, PDC drill bit rock-drillability index value；PDC drill bit rock-drillability index value forecast model is determined according to PDC drill bit rock-drillability index value and rock temperature model, PDC drill bit rock-drillability index value and interval transit time model；The PDC drill bit rock-drillability index value of rock temperature, interval transit time data and PDC drill bit rock-drillability index value forecast model prediction rock in drillng operation.The present invention utilizes the PDC drill bit rock-drillability index value of the acoustic logging and the direct prediction rock of ground temperature data of situ of drilling well at different temperatures, and simple and fast is adapted to practical engineering application, improves drilling efficiency.
Description
Technical field
Concretely it is the PDC drill bit drillability of rock under a kind of different temperatures the present invention relates to oil-gas exploration and development technology
Level value Forecasting Methodology and device.
Background technology
In the exploration and development of petroleum resources, the drillability of rock is always bit type selection, and it is important that drilling parameter is selected
Foundation.In drilling process, with the increase of well depth, the temperature in shaft bottom is constantly raised, and not only causes the working environment of drill bit to dislike
It is bad, while also influence is generated on the property of rock, so as to also have impact on the crushing efficiency of rock indirectly.
At present, the domestic and international pair of reality with the PDC drill bit drillability of rock research under different temperatures far from satisfaction instantly
Scene needs.Therefore, drilling engineering scene needs a kind of PDC drill bit rock of energy prediction rock simple and easy to apply at different temperatures
The method of stone rock-drillability index value.
The content of the invention
To meet a kind of PDC drill bit drillability level of the live actual demand of drilling there is provided prediction rock at different temperatures
The method of value, the embodiments of the invention provide PDC drill bit rock drillability Forecasting Methodology under a kind of different temperatures, including：
PDC drill bit rock-drillability index value and experiment of the different types of rock specimens of measuring under different preset temperatures are just
Interval transit time at a temperature of beginning；
The PDC drill bit rock-drillability index value of experimental initial temperature and each rock specimens under different preset temperatures is set up
PDC drill bit rock-drillability index value and rock temperature model；
PDC drill bit drillability level is set up according to the acoustic wave of rock time difference under experiment initial temperature, PDC drill bit rock-drillability index value
Value and interval transit time model；
According to the PDC drill bit rock-drillability index value and rock temperature model, PDC drill bit rock-drillability index value and interval transit time mould
Type determines PDC drill bit rock-drillability index value forecast model；
Rock temperature, interval transit time data and the prediction of PDC drill bit rock-drillability index value forecast model in drillng operation
The PDC drill bit rock-drillability index value of rock.
In the embodiment of the present invention, described experimental initial temperature and the PDC drill bit under different preset temperatures can
Boring property level value, which sets up PDC drill bit rock-drillability index value and rock temperature model, to be included：
Linear regression is carried out to the PDC drill bit rock-drillability index value data of each rock specimens of measure under different preset temperatures
Analysis, it is determined that representing PDC drill bit rock-drillability index value and rock temperature, the PDC drill bit rock-drillability index value of initial temperature functional relation
With rock temperature model.
In the embodiment of the present invention, described PDC drill bit rock-drillability index value is with rock temperature model：
Kd=Kd0-0.00904(T-T0) (1)
Wherein, T is corresponding rock temperature, T0The initial temperature tested for drillability, KdIt is different rocks in different temperatures
Under PDC drill bit rock-drillability index value, Kd0It is different rocks in initial temperature T0Under PDC drill bit rock-drillability index value.
In the embodiment of the present invention, the acoustic wave of rock time difference, PDC drill bit drillability level under the initial temperature according to experiment
Value, which sets up PDC drill bit rock-drillability index value and interval transit time model, to be included：
Line is entered to PDC drill bit rock-drillability index value of the different rock samples under the initial temperature and interval transit time
Property regression analysis, generation represents PDC drill bit rock-drillability index value, the PDC drill bit rock-drillability index value and sound of interval transit time functional relation
Ripple time difference model.
In the embodiment of the present invention, described PDC drill bit rock-drillability index value is with interval transit time model：
Kd0=-0.0045 Δ tp0+6.2884 (2)
Kd0It is different rocks in initial temperature T0Under PDC drill bit rock-drillability index value, Δ tp0It is different rocks in initial temperature
Spend T0Under interval transit time.
It is described according to the PDC drill bit rock-drillability index value and rock temperature model, PDC drill bit in the embodiment of the present invention
Rock-drillability index value determines that PDC drill bit rock-drillability index value forecast model includes with interval transit time model：
According to the PDC drill bit rock-drillability index value and rock temperature, the functional relation of initial temperature and PDC drill bit drillability
Level value, interval transit time functional relation determine to represent under PDC drill bit rock-drillability index value and rock temperature, initial temperature and initial temperature
The PDC drill bit rock-drillability index value forecast model of interval transit time functional relation, wherein, the PDC drill bit rock-drillability index value predicts mould
Type is：
Kd=-0.0045 Δ tp0-0.00904(T-T0)+6.2884
Wherein, KdFor the PDC drill bit rock-drillability index value of different rocks at different temperatures, Δ tp0It is different rocks initial
Temperature T0Under interval transit time, T be corresponding rock temperature, T0The initial temperature tested for drillability.
Meanwhile, the present invention also provides PDC drill bit rock drillability prediction meanss under a kind of different temperatures, including：
Data reception module, for receiving PDC of the different types of rock specimens of measuring under different preset temperatures
Interval transit time under drill bit rock-drillability index value and experiment initial temperature；
PDC drill bit rock-drillability index value and rock temperature model determining module, for experimental initial temperature and each rock
PDC drill bit rock-drillability index value of the stone sample under different preset temperatures sets up PDC drill bit rock-drillability index value and rock temperature model；
PDC drill bit rock-drillability index value and interval transit time model determining module, for according to the rock under experiment initial temperature
Interval transit time, PDC drill bit rock-drillability index value set up PDC drill bit rock-drillability index value and interval transit time model；
PDC drill bit rock-drillability index value forecast model determining module, for according to the PDC drill bit rock-drillability index value and rock
Temperature model, PDC drill bit rock-drillability index value and interval transit time model determine PDC drill bit rock-drillability index value forecast model；
Prediction module, for the rock temperature in drillng operation, interval transit time data and PDC drill bit rock-drillability index value
The PDC drill bit rock-drillability index value of forecast model prediction rock.
The present invention can be using situ of drilling well acoustic logging and ground temperature data direct prediction rock at different temperatures
PDC drill bit rock-drillability index value.This method application simple and fast, the data used is easily obtained, and is adapted to practical engineering application, for
Laboratory experiment work is reduced, drilling efficiency is improved and is very helpful.
For the above and other objects, features and advantages of the present invention can be become apparent, preferred embodiment cited below particularly,
And coordinate institute's accompanying drawings, it is described in detail below.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the flow chart of PDC drill bit rock drillability Forecasting Methodology under a kind of different temperatures disclosed by the invention；
Fig. 2 is the flow of the PDC drill bit rock-drillability index value method of one embodiment of the invention prediction rock at different temperatures
Figure；
Fig. 3 is the relation of PDC drill bit rock drillability and corresponding temperature of the different rock samples in different temperatures
Curve map；
Fig. 4 is the block diagram of PDC drill bit rock drillability prediction meanss under different temperatures disclosed by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It is PDC drill bit rock drillability Forecasting Methodology under a kind of different temperatures disclosed by the invention as shown in Figure 1
Flow chart, this method includes：
Step S101, PDC drill bit drillability level of the different types of rock specimens of measuring under different preset temperatures
Interval transit time under value and experiment initial temperature；
Step S102, the PDC drill bit of experimental initial temperature and each rock specimens under different preset temperatures can be bored
Property level a value set up PDC drill bit rock-drillability index value and rock temperature model；
Step S103, sets up PDC and bores according to the acoustic wave of rock time difference under experiment initial temperature, PDC drill bit rock-drillability index value
Head rock-drillability index value and interval transit time model；
Step S104, according to the PDC drill bit rock-drillability index value and rock temperature model, PDC drill bit rock-drillability index value with
Interval transit time model determines PDC drill bit rock-drillability index value forecast model；
Step S105, rock temperature, interval transit time data and the prediction of PDC drill bit rock-drillability index value in drillng operation
The PDC drill bit rock-drillability index value of model prediction rock.
The present invention can be using situ of drilling well acoustic logging and ground temperature data direct prediction rock at different temperatures
PDC drill bit rock-drillability index value.This method application simple and fast, the data used is easily obtained, and is adapted to practical engineering application, for
Laboratory experiment work is reduced, drilling efficiency is improved and is very helpful.
As shown in Fig. 2 the PDC drill bit rock-drillability index value method for one embodiment of the invention prediction rock at different temperatures
Flow chart, comprise the following steps：
Step S201, determines PDC drill bit rock-drillability index value of the different rock samples under different preset temperatures, specific method
It is as follows：
(1) the column rock sample that a diameter of 76.2mm, length are 50mm is taken out from different types of monoblock rock, is made
Two end face cars of rock sample are put down with lathe, keep rock sample surface that crackle and damage is not present；
(2) rock sample is put into do in insulating box and heated, keep certain temperature to toast 24 hours respectively.
(3) drillability of rock measuring system will be sequentially placed into by the rock sample of heat treatment, rock-like is measured respectively
The PDC drill bit rock-drillability index value of product.
The PDC drill bit rock-drillability index value of the different rock samples determined according to step S201 at different temperatures, experiment
It the results are shown in Table 1.
Table 1
Data in table 1 can make PDC drill bit rock drillability of the different rock samples in different temperatures
With the graph of relation of corresponding temperature, as shown in Figure 3.
Step S202, set up the PDC drill bit rock-drillability index value of different rock samples at different temperatures and rock temperature and
Initial temperature T0The mathematical modeling of lower PDC drill bit rock-drillability index value, specific method is as follows：
Linear regression is carried out according to the PDC drill bit rock-drillability index value data of every kind of rock sample in table 1 at different temperatures, and it is right
Regression equation is concluded, and obtains unified mathematical modeling：
Kd=Kd0-0.00904(T-T0) (1)
In formula, T is corresponding rock temperature, unit (DEG C)；T0The initial temperature tested for drillability, unit (DEG C)；KdFor
The PDC drill bit rock-drillability index value of different rocks at different temperatures, zero dimension；Kd0It is different rocks in initial temperature T0Under
PDC drill bit rock-drillability index value, zero dimension.
Above-mentioned mathematical modeling is only illustrated as one kind of Forecasting Methodology, and this method is not limited only to the expression formula.Therefore the number
Learn the limitation that model is not construed as the present invention.
Step S203, determines different rock samples in initial temperature T0Under interval transit time, specific method is as follows：
(1) take out a diameter of on the monoblock rock for the corresponding species that drillability experiment is carried out to step S201
25.4mm, length are 50mm column rock sample, and two end face cars of rock sample are put down using lathe, keep rock sample
Crackle and damage is not present in surface；
(2) rock sample is put into do in insulating box and heated, keep initial temperature T0Baking 24 hours.
(3) by initial temperature T0Under different rock samples be sequentially placed into acoustic wave of rock measuring system, measure different respectively
Rock is in initial temperature T0Under interval transit time.
Step S204, sets up in initial temperature T0The PDC drill bit rock-drillability index value and interval transit time of lower different rock samples
Mathematical modeling, the different rock samples determined according to step S203 are in initial temperature T0Under interval transit time, experimental result
It is shown in Table 2.
Table 2
Specific method is as follows：
According to the data in table 2, to initial temperature T0The PDC drill bit rock-drillability index value of lower different rock samples and initial temperature
Spend T0Lower interval transit time carries out linear regression analysis, sets up following mathematical modeling：
Kd0=-0.0045 Δ tp0+6.2884 (2)
In formula, Kd0It is different rocks in initial temperature T0Under PDC drill bit rock-drillability index value, zero dimension；Δtp0For difference
Rock is in initial temperature T0Under interval transit time, unit (μ s/m).
Above-mentioned mathematical modeling is only illustrated as one kind of Forecasting Methodology, and this method is not limited only to the expression formula.Therefore the number
Learn the limitation that model is not construed as the present invention.
Step S205, set up the PDC drill bit rock-drillability index value of different rock samples at different temperatures and rock temperature and
Initial temperature T0Under interval transit time mathematical modeling, specific method is as follows：
It will be set up in step S204 in initial temperature T0The PDC drill bit rock-drillability index value and sound wave of lower different rock samples
The mathematical modeling of the time difference substitutes into the PDC drill bit rock-drillability index value of the different rock samples set up in step S202 at different temperatures
With rock temperature and initial temperature T0The mathematical modeling of lower PDC drill bit rock-drillability index value, i.e., substitute into formula (2) in formula (1), can obtain
Following mathematical modeling：
Kd=-0.0045 Δ tp0-0.00904(T-T0)+6.2884 (3)
In formula, KdFor the PDC drill bit rock-drillability index value of different rocks at different temperatures, zero dimension；Δtp0For different rocks
Stone is in initial temperature T0Under interval transit time, unit (μ s/m)；T is corresponding rock temperature, unit (DEG C)；T0It is real for drillability
The initial temperature tested, unit (DEG C).
Above-mentioned mathematical modeling is only illustrated as one kind of Forecasting Methodology, and this method is not limited only to the expression formula.Therefore the number
Learn the limitation that model is not construed as the present invention.
Step S206, according to the PDC drill bit rock-drillability index value forecast model, calculates rock to be measured at different temperatures
PDC drill bit rock-drillability index value, specific method is as follows：
Due in field operation, with the increase of well depth, ground temperature can change.According to acquired corresponding rock at certain
Interval travel time data at a temperature of one, utilizes the PDC drill bit drillability of rock level set up in the step S205 of the embodiment of the present invention
Value prediction model, you can quickly and easily calculate the big of PDC drill bit rock-drillability index value of the prediction Rock in Well after temperature change
It is small.
Meanwhile, the present invention also provides PDC drill bit rock drillability prediction meanss under a kind of different temperatures, such as Fig. 4 institutes
Show, the device includes：
Data reception module 401, for receiving the different types of rock specimens of measuring under different preset temperatures
Interval transit time under PDC drill bit rock-drillability index value and experiment initial temperature；
PDC drill bit rock-drillability index value and rock temperature model determining module 402, for experimental initial temperature and respectively
PDC drill bit rock-drillability index value of the rock specimens under different preset temperatures sets up PDC drill bit rock-drillability index value and rock temperature mould
Type；
PDC drill bit rock-drillability index value and interval transit time model determining module 403, for according to the rock under experiment initial temperature
Stone interval transit time, PDC drill bit rock-drillability index value set up PDC drill bit rock-drillability index value and interval transit time model；
PDC drill bit rock-drillability index value forecast model determining module 404, for according to the PDC drill bit rock-drillability index value with
Rock temperature model, PDC drill bit rock-drillability index value and interval transit time model determine PDC drill bit rock-drillability index value forecast model；
Prediction module 405, for the rock temperature in drillng operation, interval transit time data and PDC drill bit drillability
The PDC drill bit rock-drillability index value of level value prediction model prediction rock.
The principle that device disclosed by the invention solves problem is similar to realizing for the above method, repeats no more.
Technical scheme can be using the acoustic logging and the direct prediction rock of ground temperature data of live drilling well not
PDC drill bit rock-drillability index value under synthermal, to improving drilling efficiency, reduction operating cost plays the role of important.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can be using the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the present invention can be used in one or more computers for wherein including computer usable program code
The computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram are described.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Apply specific embodiment in the present invention to be set forth the principle and embodiment of the present invention, above example
Explanation be only intended to help to understand the method and its core concept of the present invention；Simultaneously for those of ordinary skill in the art,
According to the thought of the present invention, it will change in specific embodiments and applications, in summary, in this specification
Appearance should not be construed as limiting the invention.
Claims (12)
1. PDC drill bit rock drillability Forecasting Methodology under a kind of different temperatures, it is characterised in that described method includes：
PDC drill bit rock-drillability index value and experiment initial temperature of the different types of rock specimens of measuring under different preset temperatures
Interval transit time under degree；
The PDC drill bit rock-drillability index value of experimental initial temperature and each rock specimens under different preset temperatures sets up PDC
Drill bit rock-drillability index value and rock temperature model；
According to experiment initial temperature under the acoustic wave of rock time difference, PDC drill bit rock-drillability index value set up PDC drill bit rock-drillability index value with
Interval transit time model；
It is true according to the PDC drill bit rock-drillability index value and rock temperature model, PDC drill bit rock-drillability index value and interval transit time model
Determine PDC drill bit rock-drillability index value forecast model；
Rock temperature, interval transit time data and PDC drill bit rock-drillability index value forecast model prediction rock in drillng operation
PDC drill bit rock-drillability index value.
2. PDC drill bit rock drillability Forecasting Methodology under different temperatures as claimed in claim 1, it is characterised in that institute
The experimental initial temperature stated and the PDC drill bit rock-drillability index value under different preset temperatures set up PDC drill bit drillability
Level value includes with rock temperature model：
Linear regression point is carried out to the PDC drill bit rock-drillability index value data of each rock specimens of measure under different preset temperatures
Analysis, it is determined that represent PDC drill bit rock-drillability index value and rock temperature, the PDC drill bit rock-drillability index value of initial temperature functional relation with
Rock temperature model.
3. PDC drill bit rock drillability Forecasting Methodology under different temperatures as claimed in claim 2, it is characterised in that institute
The rock-drillability index value stated is with temperature model：
Kd=Kd0-0.00904(T-T0) (1)
Wherein, T is corresponding rock temperature, T0The initial temperature tested for drillability, KdFor different rocks at different temperatures
PDC drill bit rock-drillability index value, Kd0It is different rocks in initial temperature T0Under PDC drill bit rock-drillability index value.
4. PDC drill bit rock drillability Forecasting Methodology under the different temperatures as described in claim 1 or 3, it is characterised in that
Described sets up PDC drill bit rock-drillability index value according to the acoustic wave of rock time difference under experiment initial temperature, PDC drill bit rock-drillability index value
Include with interval transit time model：
PDC drill bit rock-drillability index value of the different rock samples under the initial temperature and interval transit time are linearly returned
Return analysis, when generation represents PDC drill bit rock-drillability index value, the PDC drill bit rock-drillability index value and sound wave of interval transit time functional relation
Differential mode type.
5. PDC drill bit rock drillability Forecasting Methodology under different temperatures as claimed in claim 4, it is characterised in that institute
The PDC drill bit rock-drillability index value stated is with interval transit time model：
Kd0=-0.0045 Δ tp0+6.2884 (2)
Kd0It is different rocks in initial temperature T0Under PDC drill bit rock-drillability index value, Δ tp0It is different rocks in initial temperature T0
Under interval transit time.
6. PDC drill bit rock drillability Forecasting Methodology under different temperatures as claimed in claim 5, it is characterised in that institute
That states is true according to the PDC drill bit rock-drillability index value and rock temperature model, PDC drill bit rock-drillability index value and interval transit time model
Determining PDC drill bit rock-drillability index value forecast model includes：
According to the PDC drill bit rock-drillability index value and rock temperature, the functional relation of initial temperature and PDC drill bit drillability level
Value, interval transit time functional relation determine to represent sound under PDC drill bit rock-drillability index value and rock temperature, initial temperature and initial temperature
The PDC drill bit rock-drillability index value forecast model of ripple moveout function relation, wherein, the PDC drill bit rock-drillability index value forecast model
For：
Kd=-0.0045 Δ tp0-0.00904(T-T0)+6.2884
Wherein, KdFor the PDC drill bit rock-drillability index value of different rocks at different temperatures, Δ tp0It is different rocks in initial temperature
T0Under interval transit time, T be corresponding rock temperature, T0The initial temperature tested for drillability.
7. PDC drill bit rock drillability prediction meanss under a kind of different temperatures, it is characterised in that described device includes：
Data reception module, for receiving PDC drill bit of the different types of rock specimens of measuring under different preset temperatures
Interval transit time under rock-drillability index value and experiment initial temperature；
PDC drill bit rock-drillability index value and rock temperature model determining module, for experimental initial temperature and each rock-like
Originally the PDC drill bit rock-drillability index value under different preset temperatures sets up PDC drill bit rock-drillability index value and rock temperature model；
PDC drill bit rock-drillability index value and interval transit time model determining module, for according to the acoustic wave of rock under experiment initial temperature
The time difference, PDC drill bit rock-drillability index value set up PDC drill bit rock-drillability index value and interval transit time model；
PDC drill bit rock-drillability index value forecast model determining module, for according to the PDC drill bit rock-drillability index value and rock temperature
Model, PDC drill bit rock-drillability index value and interval transit time model determine PDC drill bit rock-drillability index value forecast model；
Prediction module, for the prediction of the rock temperature in drillng operation, interval transit time data and PDC drill bit rock-drillability index value
The PDC drill bit rock-drillability index value of model prediction rock.
8. PDC drill bit rock drillability prediction meanss under different temperatures as claimed in claim 7, it is characterised in that institute
The PDC drill bit rock-drillability index value stated is from the experimental initial temperature of rock temperature model determining module and in different preset temperatures
Under PDC drill bit rock-drillability index value set up rock-drillability index value and temperature model and include：
Linear regression point is carried out to the PDC drill bit rock-drillability index value data of each rock specimens of measure under different preset temperatures
Analysis, it is determined that represent PDC drill bit rock-drillability index value and rock temperature, the PDC drill bit rock-drillability index value of initial temperature functional relation with
Rock temperature model.
9. PDC drill bit rock drillability prediction meanss under different temperatures as claimed in claim 8, it is characterised in that institute
The PDC drill bit rock-drillability index value stated is with rock temperature model：
Kd=Kd0-0.00904(T-T0) (1)
Wherein, T is corresponding rock temperature, T0The initial temperature tested for drillability, KdFor different rocks at different temperatures
PDC drill bit rock-drillability index value, Kd0It is different rocks in initial temperature T0Under PDC drill bit rock-drillability index value.
10. PDC drill bit rock drillability prediction meanss under the different temperatures as described in claim 7 or 9, its feature exists
In described PDC drill bit rock-drillability index value and interval transit time model determining module are according to the acoustic wave of rock under experiment initial temperature
The time difference, PDC drill bit rock-drillability index value, which set up PDC drill bit rock-drillability index value and interval transit time model, to be included：
PDC drill bit rock-drillability index value of the different rock samples under the initial temperature and interval transit time are linearly returned
Return analysis, when generation represents PDC drill bit rock-drillability index value, the PDC drill bit rock-drillability index value and sound wave of interval transit time functional relation
Differential mode type.
11. PDC drill bit rock drillability prediction meanss under different temperatures as claimed in claim 10, it is characterised in that
Described PDC drill bit rock-drillability index value is with interval transit time model：
Kd0=-0.0045 Δ tp0+6.2884 (2)
Kd0It is different rocks in initial temperature T0Under PDC drill bit rock-drillability index value, Δ tp0It is different rocks in initial temperature T0
Under interval transit time.
12. PDC drill bit rock drillability prediction meanss under different temperatures as claimed in claim 11, it is characterised in that
It is described according to the PDC drill bit rock-drillability index value and rock temperature model, PDC drill bit rock-drillability index value and interval transit time model
Determine that PDC drill bit rock-drillability index value forecast model includes：
According to the PDC drill bit rock-drillability index value and rock temperature, the functional relation of initial temperature and PDC drill bit drillability level
Value, interval transit time functional relation determine to represent sound under PDC drill bit rock-drillability index value and rock temperature, initial temperature and initial temperature
The PDC drill bit rock-drillability index value forecast model of ripple moveout function relation, wherein, the PDC drill bit rock-drillability index value forecast model
For：
Kd=-0.0045 Δ tp0-0.00904(T-T0)+6.2884
Wherein, KdFor the PDC drill bit rock-drillability index value of different rocks at different temperatures, Δ tp0It is different rocks in initial temperature
T0Under interval transit time, T be corresponding rock temperature, T0The initial temperature tested for drillability.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108875995A (en) * | 2018-03-19 | 2018-11-23 | 中铁隧道局集团有限公司 | The prediction technique of High-geotemperature tunnel Virgin rock temperature under a kind of non-excavation condition |
| CN117252004A (en) * | 2023-09-15 | 2023-12-19 | 西南石油大学 | Rock drillability grade value linear regression prediction method considering local weighting |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070029111A1 (en) * | 2005-08-08 | 2007-02-08 | Shilin Chen | Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk |
| CN102691497A (en) * | 2012-05-28 | 2012-09-26 | 中国石油大学(北京) | Method for predicting drillable level value of rock under different well bottom differential pressures |
| CN103177185A (en) * | 2013-03-13 | 2013-06-26 | 中国石油大学(北京) | Method and device for polycrystalline diamond compact bit (PDC) drilling parameter multi-objective optimization |
| CN103266889A (en) * | 2013-05-24 | 2013-08-28 | 中国石油大学(北京) | Method for predicting drillability grade values of rock in different drilling directions of shale stratum |
| US8622157B1 (en) * | 2005-08-24 | 2014-01-07 | Us Synthetic Corporation | Polycrystalline diamond compact (PDC) cutting element having multiple catalytic elements |
| CN103806907A (en) * | 2014-01-26 | 2014-05-21 | 西南石油大学 | Method and device for testing rock drillability of deep well drilling and extra-deep well drilling |
-
2017
- 2017-04-11 CN CN201710231415.3A patent/CN107038300B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070029111A1 (en) * | 2005-08-08 | 2007-02-08 | Shilin Chen | Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk |
| US8622157B1 (en) * | 2005-08-24 | 2014-01-07 | Us Synthetic Corporation | Polycrystalline diamond compact (PDC) cutting element having multiple catalytic elements |
| US9316060B1 (en) * | 2005-08-24 | 2016-04-19 | Us Synthetic Corporation | Polycrystalline diamond compact (PDC) cutting element having multiple catalytic elements |
| CN102691497A (en) * | 2012-05-28 | 2012-09-26 | 中国石油大学(北京) | Method for predicting drillable level value of rock under different well bottom differential pressures |
| CN103177185A (en) * | 2013-03-13 | 2013-06-26 | 中国石油大学(北京) | Method and device for polycrystalline diamond compact bit (PDC) drilling parameter multi-objective optimization |
| CN103266889A (en) * | 2013-05-24 | 2013-08-28 | 中国石油大学(北京) | Method for predicting drillability grade values of rock in different drilling directions of shale stratum |
| CN103806907A (en) * | 2014-01-26 | 2014-05-21 | 西南石油大学 | Method and device for testing rock drillability of deep well drilling and extra-deep well drilling |
Non-Patent Citations (2)
| Title |
|---|
| HUI ZHANG: "《Effects of rock properties and temperature differential in laboratory experiments on underbalanced drilling》", 《ELSEVIER》 * |
| 魏山栋 等: "《井底压力条件下岩石可钻性实验及仿真研究》", 《科学技术与工程》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108875995A (en) * | 2018-03-19 | 2018-11-23 | 中铁隧道局集团有限公司 | The prediction technique of High-geotemperature tunnel Virgin rock temperature under a kind of non-excavation condition |
| CN108875995B (en) * | 2018-03-19 | 2021-09-07 | 中铁隧道局集团有限公司 | Method for predicting temperature of original rock of high-ground-temperature tunnel under trenchless condition |
| CN117252004A (en) * | 2023-09-15 | 2023-12-19 | 西南石油大学 | Rock drillability grade value linear regression prediction method considering local weighting |
| CN117252004B (en) * | 2023-09-15 | 2024-05-28 | 西南石油大学 | Rock drillability grade value linear regression prediction method considering local weighting |
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|---|---|
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