CN109695449A - The choosing method and device of drilling tool - Google Patents
The choosing method and device of drilling tool Download PDFInfo
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- CN109695449A CN109695449A CN201710984401.9A CN201710984401A CN109695449A CN 109695449 A CN109695449 A CN 109695449A CN 201710984401 A CN201710984401 A CN 201710984401A CN 109695449 A CN109695449 A CN 109695449A
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- drill bit
- stratum
- shearing
- energy needed
- rock
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C39/00—Devices for testing in situ the hardness or other properties of minerals, e.g. for giving information as to the selection of suitable mining tools
Abstract
The present invention provides the choosing method and device of a kind of drilling tool.The choosing method of drilling tool of the present invention may be implemented to quantify the multinomial attribute of comprehensive rock, and drill bit adaptable therewith is chosen according to the multinomial attribute of rock, promotes the matching degree between the drill bit of selection and stratum, improves drilling efficiency.
Description
Technical field
The present embodiments relate in oil exploration and development fields drilling technology more particularly to a kind of choosing of drilling tool
Take method and apparatus.
Background technique
In drilling process, drill bit is the main tool of fractured rock, and wellbore is formed by drill bit fractured rock.One
A wellbore forms fine or not, the length of time used, except the performance of characteristic and drill bit itself with drilled strata rock has outside the Pass,
More between drill bit and stratum to be mutually matched degree related.The reasonable selection of drill bit is comprehensive to raising rate of penetration, reduction drilling well
Synthesis originally plays an important role.
During choosing drill bit, the preliminary selection of drill bit is carried out generally according to rock drillability, however, due to rock
The critical field of the drillability of stone is relatively narrow, and critical field is usually 1 to 10, and measurement result is often greater than in actual test
10 the case where, can not choose suitable drill bit, i.e., the choosing method of above-mentioned drill bit according to rock drillability in this case
Live applicability it is poor.
Summary of the invention
The embodiment of the present invention provides the choosing method and device of a kind of drilling tool, can promote drill bit and the stratum of selection
Between matching degree, improve drilling efficiency.
In a first aspect, the embodiment of the present invention provides a kind of choosing method of drilling tool, comprising:
Rock mechanics strength test is carried out at least three blocks of rocks, obtains the uniaxial compressive strength UCS of every block of rock respectively
And Young's modulus；Rock shear strength test is carried out at least three blocks of rocks, obtains the triaxial machining of every block of rock respectively
Intensity TSE and modulus of shearing；Acoustic logging is carried out to full well section, obtains acoustic travel time logging data；According to every block of rock
Uniaxial compressive strength UCS and Young's modulus, the triaxial machining intensity TSE of every block of rock and modulus of shearing and described
Acoustic travel time logging data are fitted recurrence, determine the uniaxial compressive strength UCS of the full well section, Young's modulus of full well section, complete
The triaxial machining intensity TSE of well section and the modulus of shearing of full well section；According to the uniaxial compressive strength UCS of the full well section and institute
State full well section Young's modulus determine drill bit wedging stratum needed for energy；According to the triaxial machining intensity TSE of the full well section and
Energy needed for the modulus of shearing of the full well section determines drill bit shearing stratum；According to energy needed for drill bit wedging stratum and institute
Energy needed for stating drill bit shearing stratum determines that the characteristic parameter of drill bit, the characteristic parameter of the drill bit are used for according to the drill bit
Characteristic parameter chooses drill bit and carries out drilling well.
Optionally, the method also includes: stratum is sheared according to energy needed for drill bit wedging stratum and the drill bit
Required energy determines that broken rock mode information, the broken rock mode information are used to choose and the brill according to the broken rock mode information
The speed-raising tool that head is used cooperatively carries out drilling well；Wherein, the broken rock mode information includes rock fracture in dynamic indentation, torsion broken rock, turbine
Broken rock and screw rod broken rock.
Optionally, energy needed for energy needed for the stratum according to the drill bit wedging and the drill bit shear stratum determines
Broken rock mode information, comprising: the energy needed for drill bit wedging stratum is less than first threshold, and the drill bit shears stratum institute
Energy is needed to be less than second threshold, then the broken rock mode information is the screw rod broken rock；The energy needed for drill bit wedging stratum
Amount is less than first threshold, and energy needed for drill bit shearing stratum is greater than the second threshold, then the broken rock mode information
For the torsion broken rock；The energy needed for drill bit wedging stratum is greater than the first threshold, and the drill bit shears stratum
Required energy is less than the second threshold, then the broken rock mode information is the rock fracture in dynamic indentation；When drill bit wedging stratum
Required energy is greater than the first threshold, and energy needed for drill bit shearing stratum is greater than the second threshold, then described broken
Rock mode information is turbine broken rock.
Optionally, described to be determined according to the uniaxial compressive strength UCS of the full well section and the Young's modulus of the full well section
Energy needed for drill bit wedging stratum, comprising: needed for determining drill bit wedging stratum according to formula U1=1/2*UCS*UCS/tan E1
Energy；Wherein, energy needed for U1 indicates drill bit wedging stratum, E1 indicate Young's modulus.
Optionally, described to be determined according to the triaxial machining intensity TSE of the full well section and the modulus of shearing of the full well section
Energy needed for drill bit shears stratum, comprising: determine that the drill bit shears stratum according to formula U2=1/2*TSE*TSE/tan E2
Required energy；Wherein, energy needed for U2 indicates drill bit shearing stratum, E2 indicate modulus of shearing.
Second aspect, the embodiment of the present invention provide a kind of selecting device of drilling tool, comprising:
First obtains module, for carrying out rock mechanics strength test at least three blocks of rocks, obtains every block of rock respectively
Uniaxial compressive strength UCS and Young's modulus；Second obtains module, strong for carrying out rock shearing at least three blocks of rocks
Degree test, obtains the triaxial machining intensity TSE and modulus of shearing of every block of rock respectively；Third obtains module, for full well section
Acoustic logging is carried out, acoustic travel time logging data are obtained；Rock mechanics parameters determining module, for according to every block of rock
Uniaxial compressive strength UCS and Young's modulus, the triaxial machining intensity TSE of every block of rock and modulus of shearing and the sound
Wave time difference log data is fitted recurrence, determines the uniaxial compressive strength UCS of full well section, the Young's modulus of full well section, Quan Jing
The triaxial machining intensity TSE of section and the modulus of shearing of full well section；First energy determining module, for according to the full well section
Energy needed for the Young's modulus of uniaxial compressive strength UCS and the full well section determines drill bit wedging stratum；Second energy determines mould
Block, for determining that drill bit shears stratum according to the triaxial machining intensity TSE of the full well section and the modulus of shearing of the full well section
Required energy；Drill bit determining module, for needed for the energy according to needed for drill bit wedging stratum and drill bit shearing stratum
Energy determines the characteristic parameter of drill bit, the characteristic parameter of the drill bit be used to be chosen according to the characteristic parameter of the drill bit drill bit into
Row drilling well.
Optionally, described device further include: speed-raising tool determining module；The speed-raising tool determining module is used for according to institute
Energy needed for energy needed for stating drill bit wedging stratum and drill bit shearing stratum determines broken rock mode information, the broken rock mode
Information is used to choose the speed-raising tool being used cooperatively with the drill bit according to the broken rock mode information and carries out drilling well；Wherein, institute
Stating broken rock mode information includes rock fracture in dynamic indentation, torsion broken rock, turbine broken rock and screw rod broken rock.
Optionally, the speed-raising tool determining module is used for the energy according to needed for drill bit wedging stratum and the drill bit
Energy needed for shearing stratum determines broken rock mode information, comprising: the energy needed for drill bit wedging stratum is less than first threshold,
And energy needed for drill bit shearing stratum is less than second threshold, then the broken rock mode information is the screw rod broken rock；Work as institute
Energy needed for stating drill bit wedging stratum is less than first threshold, and energy needed for drill bit shearing stratum is greater than second threshold
Value, then the broken rock mode information is the torsion broken rock；The energy needed for drill bit wedging stratum is greater than first threshold
Value, and energy needed for drill bit shearing stratum is less than the second threshold, then the broken rock mode information is the impact cutting
Rock；The energy needed for drill bit wedging stratum is greater than the first threshold, and energy needed for drill bit shearing stratum is greater than
The second threshold, then the broken rock mode information is turbine broken rock.
Optionally, the first energy determining module is used for according to the uniaxial compressive strength UCS of the full well section and described
Energy needed for the Young's modulus of full well section determines drill bit wedging stratum, comprising: according to formula U1=1/2*UCS*UCS/tan E1
Energy needed for determining drill bit wedging stratum；Wherein, energy needed for U1 indicates drill bit wedging stratum, E1 indicate Young's modulus.
Optionally, the second energy determining module is used for according to the triaxial machining intensity TSE of the full well section and described
Energy needed for the modulus of shearing of full well section determines drill bit shearing stratum, comprising: according to formula U2=1/2*TSE*TSE/tan E2
Energy needed for determining drill bit shearing stratum；Wherein, energy needed for U2 indicates drill bit shearing stratum, E2 indicate shearing mould
Amount.
The choosing method and device of drilling tool of the embodiment of the present invention are strong by carrying out rock mechanics at least three blocks of rocks
Degree test, obtains the uniaxial compressive strength UCS and Young's modulus of every block of rock respectively, carries out rock at least three blocks of rocks
Shear strength test obtains the triaxial machining intensity TSE and modulus of shearing of every block of rock respectively, carries out cement bond logging to full well section
Well obtains acoustic travel time logging data, according to the uniaxial compressive strength UCS of every block of rock and Young's modulus, every piece described
The triaxial machining intensity TSE and modulus of shearing of rock and the acoustic travel time logging data are fitted recurrence, determine full well
The shearing of the uniaxial compressive strength UCS, the Young's modulus of full well section, the triaxial machining intensity TSE of full well section and full well section of section
Modulus determines drill bit wedging stratum institute according to the Young's modulus of the uniaxial compressive strength UCS of the full well section and the full well section
Energy is needed, determines that drill bit shears stratum according to the modulus of shearing of the triaxial machining intensity TSE of the full well section and the full well section
Required energy determines the feature of drill bit according to energy needed for energy needed for drill bit wedging stratum and drill bit shearing stratum
Parameter, the characteristic parameter of the drill bit, which is used to choose drill bit according to the characteristic parameter of the drill bit, carries out drilling well, thus realization amount
The multinomial attribute for changing comprehensive rock chooses drill bit adaptable therewith according to the multinomial attribute of rock, promoted the drill bit of selection with
Matching degree between stratum improves drilling efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow chart of the choosing method embodiment one of drilling tool of the present invention；
Fig. 2 is the rock mechanics parameters curve synoptic diagram of full well section；
Fig. 3 is the flow chart of the choosing method embodiment two of drilling tool of the present invention；
Fig. 4 is that energy needed for energy curve needed for the drill bit wedging stratum of full well section and the drill bit of full well section shearing stratum is bent
Line schematic diagram；
Fig. 5 is the structural schematic diagram of the selecting device embodiment one of drilling tool of the present invention；
Fig. 6 is the structural schematic diagram of the selecting device embodiment two of drilling tool of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 is the flow chart of the choosing method embodiment one of drilling tool of the present invention, as shown in Figure 1, the side of the present embodiment
Method may include:
Step 101 carries out rock mechanics strength test at least three blocks of rocks, obtains the uniaxial compressive of every block of rock respectively
Intensity UCS and Young's modulus.
Specifically, at least three blocks of rocks of different depth in well section can be acquired, such as three pieces, four pieces, five pieces etc., i.e., often
Block rock carries out rock mechanics strength test from different depth of stratum, at least three blocks of rocks of acquisition respectively, wherein surveys
Rock mechanics test method of the test-object standard according to International Rock mechanics association, obtains the uniaxial compressive strength of every block of rock respectively
(Uniaxial Compressive Strength, abbreviation UCS) and Young's modulus (E1).Wherein, the survey of rock mechanics intensity is carried out
Examination can also obtain the Poisson's ratio (v) and internal friction angle (φ) of every block of rock.
Step 102 carries out rock shear strength test at least three blocks of rocks, obtains three axis of every block of rock respectively
Shear strength TSE and modulus of shearing.
Specifically, rock shear strength survey can be carried out at least three blocks of rocks of different depth in above-mentioned acquisition well section
Examination, wherein rock mechanics test method of the testing standard according to International Rock mechanics association obtains three axis of every block of rock respectively
Shear strength (Triaxial Shear Strength, abbreviation TCS) and modulus of shearing (E2).
Step 103 carries out acoustic logging to full well section, obtains acoustic travel time logging data.
Specifically, the interval transit time of different depth is surveyed in available full well section by carrying out acoustic logging to full well section
Well data.
Step 104, according to the uniaxial compressive strength UCS and Young's modulus of every block of rock, every block of rock three
Axis shear strength TSE and modulus of shearing and the acoustic travel time logging data are fitted recurrence, determine the single shaft of full well section
Compression strength UCS, the Young's modulus of full well section, the modulus of shearing of the triaxial machining intensity TSE of full well section and full well section.
Specifically, using the acoustic travel time logging data of different depth in full well section, to different deep in above-mentioned acquisition well section
At least three blocks of rocks of degree carry out the rock mechanics parameters that rock mechanics strength test and rock shear strength test obtain respectively
It is fitted recurrence, can determine the relationship between rock mechanics parameters and acoustic travel time logging data, and then determine full well section
Rock mechanics parameters.Wherein, rock mechanics parameters specifically include above-mentioned uniaxial compressive strength UCS, Young's modulus E1, three axis and cut
Shearing stress TCS and modulus of shearing E2, it is of course possible to understanding, can also include Poisson's ratio (v) and internal friction angle (φ) etc. other
Explanation is not listed one by one in parameter herein.
Illustrate so that depth in production wells is respectively four blocks of rocks of numerical value 1, numerical value 2, numerical value 3 and numerical value 4 as an example
It is bright, the specific value of the uniaxial compressive strength UCS of four blocks of rocks, Young's modulus E1, triaxial machining intensity TCS and modulus of shearing E2
Between following table first row to the 4th column, the acoustic travel time logging data of the corresponding depth of four blocks of rocks see the table below the 5th column.
1 rock mechanics parameters of table and interval transit time data
The pass for returning and determining between rock mechanics parameters and acoustic travel time logging data is fitted according to the data in table 1
System are as follows:
UCS=0.0477DT2-10.83DT+614.63
E1=0.0149DT2-3.1897DT+166.94
TSE=0.0358DT2-7.7554DT+413.66
E2=0.0243DT2-4.3793DT+202.66
It can establish the rock mechanics parameters curve of full well section according to above-mentioned relation, the rock mechanics parameters of each full well section
Curve includes the rock mechanics parameters of all depth, it can obtains the uniaxial compressive strength UCS of full well section, the Young of full well section
The modulus of shearing of modulus, the triaxial machining intensity TSE of full well section and full well section, Fig. 2 are that the rock mechanics parameters of full well section are bent
Line schematic diagram, as shown in Fig. 2, the uniaxial compressive strength UCS curve of the full well section includes the uniaxial compressive strength of different depth
UCS, the Young's modulus curve of the full well section include the Young's modulus of different depth, and the triaxial machining intensity TSE of the full well section is bent
Line includes the triaxial machining intensity TSE of different depth, and the modulus of shearing curve of the full well section includes the modulus of shearing of different depth.
It optionally, can also include the internal friction angle curve of full well section, the internal friction angle curve of the full well section includes the interior of different depth
Angle of friction.
Step 105 determines drill bit according to the uniaxial compressive strength UCS of the full well section and the Young's modulus of the full well section
Energy needed for wedging stratum.
Step 106 determines drill bit according to the triaxial machining intensity TSE of the full well section and the modulus of shearing of the full well section
Energy needed for shearing stratum.
Energy needed for energy needed for drill bit broken rock is divided into drill bit wedging stratum by the embodiment of the present invention and drill bit shear stratum
Required energy.
Energy needed for step 107, the energy according to needed for drill bit wedging stratum and drill bit shearing stratum, which determines, to be bored
The characteristic parameter of head, the characteristic parameter of the drill bit, which is used to choose drill bit according to the characteristic parameter of the drill bit, carries out drilling well.
Wherein, the characteristic parameter of drill bit may include the drill bits design parameter such as back rake angle, aggressiveness, herein a different citing
Explanation.
Optionally, above-mentioned steps 101, which are specifically as follows, carries out rock mechanics strength test at least three blocks of rocks, obtains every
The stress-strain diagram of block rock, the tangent value of the stretch section of the stress-strain diagram of every block of rock are exactly Young's modulus, and every piece
The subtriangular height of the stress-strain diagram of rock is the uniaxial compressive strength UCS of rock.
The present embodiment obtains the list of every block of rock by carrying out rock mechanics strength test at least three blocks of rocks respectively
Axis compression strength UCS and Young's modulus carry out rock shear strength test at least three blocks of rocks, obtain every block of rock respectively
The triaxial machining intensity TSE and modulus of shearing of stone carry out acoustic logging to full well section, obtain acoustic travel time logging data, according to
The triaxial machining intensity TSE and shearing mould of the uniaxial compressive strength UCS and Young's modulus of every block of rock, every block of rock
Amount and the acoustic travel time logging data are fitted recurrence, determine the uniaxial compressive strength UCS of full well section, full well section
The modulus of shearing of Young's modulus, the triaxial machining intensity TSE of full well section and full well section, according to the uniaxial compressive of the full well section
Energy needed for the Young's modulus of intensity UCS and the full well section determines drill bit wedging stratum, cuts according to three axis of the full well section
Energy needed for the modulus of shearing of shearing stress TSE and the full well section determines drill bit shearing stratum, according to drill bit wedging stratum
Energy needed for required energy and drill bit shearing stratum determines that the characteristic parameter of drill bit, the characteristic parameter of the drill bit are used for root
Drill bit is chosen according to the characteristic parameter of the drill bit and carries out drilling well, so that the multinomial attribute for quantifying comprehensive rock is realized, according to rock
Multinomial attribute choose drill bit adaptable therewith, promote the matching degree between the drill bit of selection and stratum, improve drilling efficiency.
Several specific embodiments are used below, and the technical solution of embodiment of the method shown in Fig. 1 is described in detail.
Fig. 3 is the flow chart of the choosing method embodiment two of drilling tool of the present invention, as shown in figure 3, the side of the present embodiment
Method may include:
Step 201 carries out rock mechanics strength test at least three blocks of rocks, obtains the uniaxial compressive of every block of rock respectively
Intensity UCS and Young's modulus.
Step 202 carries out rock shear strength test at least three blocks of rocks, obtains three axis of every block of rock respectively
Shear strength TSE and modulus of shearing.
Step 203 carries out acoustic logging to full well section, obtains acoustic travel time logging data.
Step 204, according to the uniaxial compressive strength UCS and Young's modulus of every block of rock, every block of rock three
Axis shear strength TSE and modulus of shearing and the acoustic travel time logging data are fitted recurrence, determine the single shaft of full well section
Compression strength UCS, the Young's modulus of full well section, the modulus of shearing of the triaxial machining intensity TSE of full well section and full well section.
Step 205 determines drill bit according to the uniaxial compressive strength UCS of the full well section and the Young's modulus of the full well section
Energy needed for wedging stratum.
Step 206 determines drill bit according to the triaxial machining intensity TSE of the full well section and the modulus of shearing of the full well section
Energy needed for shearing stratum.
Energy needed for step 207, the energy according to needed for drill bit wedging stratum and drill bit shearing stratum, which determines, to be bored
The characteristic parameter of head, the characteristic parameter of the drill bit, which is used to choose drill bit according to the characteristic parameter of the drill bit, carries out drilling well.
Wherein, the specific explanations of above-mentioned steps 201 to step 207 illustrate the step 101 that may refer to embodiment illustrated in fig. 1
Specific explanations to step 107 illustrate that details are not described herein again.
Energy needed for step 208, the energy according to needed for drill bit wedging stratum and drill bit shearing stratum determines broken
Rock mode information, the broken rock mode information are used to be chosen according to the broken rock mode information and mention with what the drill bit was used cooperatively
Fast tool carries out drilling well.
Wherein, the broken rock mode information includes rock fracture in dynamic indentation, torsion broken rock, turbine broken rock and screw rod broken rock.That is this reality
Applying can also the energy according to needed for drill bit wedging stratum and drill bit shearing ground on the basis of example embodiment shown in Fig. 1
Energy needed for layer determines broken rock mode information, and then determines the selection of broken rock mode information according to this and mention with what the drill bit was used cooperatively
Fast tool carries out drilling well.
A kind of achievable mode of above-described embodiment, the specific implementations of above-mentioned steps 205 can be with are as follows:
Energy needed for determining drill bit wedging stratum according to formula (1)；
U1=1/2*UCS*UCS/tan E1 (1)
Wherein, energy needed for U1 indicates drill bit wedging stratum, E1 indicate Young's modulus.
A kind of achievable mode of above-described embodiment, the specific implementations of above-mentioned steps 206 can be with are as follows:
Energy needed for determining drill bit shearing stratum according to formula (2)；
U2=1/2*TSE*TSE/tan E2 (2)
Wherein, energy needed for U2 indicates drill bit shearing stratum, E2 indicate modulus of shearing.
Be further illustrated with the data instance in above-mentioned Fig. 2, according to fig. 2 in different depth uniaxial compressive it is strong
Spend the value of UCS and the value of Young's modulus E1, energy needed for the drill bit wedging stratum using formula (1) available different depth
Amount, specifically may refer to shown in Fig. 4, and Fig. 4 is that energy curve needed for the drill bit wedging stratum of full well section and the drill bit of full well section are cut
Cut energy curve schematic diagram needed for stratum, according to fig. 2 in the triaxial machining intensity TSE of different depth and taking for modulus of shearing E2
Value, energy needed for shearing stratum using the drill bit of formula (2) available different depth, specifically may refer to shown in Fig. 4.
Optionally, a kind of achievable mode of above-mentioned steps 208 can be with are as follows:
The energy needed for drill bit wedging stratum is less than first threshold, and energy needed for drill bit shearing stratum is less than
Second threshold, then the broken rock mode information is the screw rod broken rock；The energy needed for drill bit wedging stratum is less than first
Threshold value, and energy needed for drill bit shearing stratum is greater than the second threshold, then the broken rock mode information is the torsion
Broken rock；The energy needed for drill bit wedging stratum is greater than the first threshold, and energy needed for drill bit shearing stratum is small
In the second threshold, then the broken rock mode information is the rock fracture in dynamic indentation；The energy needed for drill bit wedging stratum is big
In the first threshold, and energy needed for drill bit shearing stratum is greater than the second threshold, then the broken rock mode information
For turbine broken rock.
Wherein, first threshold and the value of second threshold can carry out flexible setting according to demand.
Preset rules such as table 2 are set, determine broken rock mode information.
2 preset rules table of table
Wherein, energy needed for drill bit wedging stratum is big, and energy needed for indicating drill bit wedging stratum is greater than above-mentioned first threshold
Value, energy needed for drill bit wedging stratum be it is small, energy needed for indicating drill bit wedging stratum is less than above-mentioned first threshold.Drill bit shearing
Energy needed for stratum be it is big, indicate drill bit shearing stratum needed for energy be greater than above-mentioned second threshold, drill bit shear stratum needed for energy
It is small for measuring, and energy needed for indicating drill bit shearing stratum is less than above-mentioned second threshold.
It is further illustrated with above-mentioned embodiment illustrated in fig. 2, according to energy needed for the drill bit wedging stratum of different depth
Energy needed for amount and drill bit shearing stratum determines broken rock mode information, may refer to broken rock mode information shown in Fig. 4, that is,
The corresponding broken rock mode information of 1000 to 2500 range of depth is screw rod speed-raising, in the corresponding broken rock of 2500 to 4500 range of depth
Mode information is torsion broken rock, is rock fracture in dynamic indentation in the broken rock mode information that 4500 to 5500 range of depth is answered, in depth 5500
The broken rock mode information answered to 7000 ranges is turbine broken rock.And then be used cooperatively according to the selection of broken rock mode information with drill bit
Speed-raising tool carries out drilling well.
The present embodiment obtains the list of every block of rock by carrying out rock mechanics strength test at least three blocks of rocks respectively
Axis compression strength UCS and Young's modulus carry out rock shear strength test at least three blocks of rocks, obtain every block of rock respectively
The triaxial machining intensity TSE and modulus of shearing of stone carry out acoustic logging to full well section, obtain acoustic travel time logging data, according to
The triaxial machining intensity TSE and shearing mould of the uniaxial compressive strength UCS and Young's modulus of every block of rock, every block of rock
Amount and the acoustic travel time logging data are fitted recurrence, determine the uniaxial compressive strength UCS of full well section, full well section
The modulus of shearing of Young's modulus, the triaxial machining intensity TSE of full well section and full well section, according to the uniaxial compressive of the full well section
Energy needed for the Young's modulus of intensity UCS and the full well section determines drill bit wedging stratum, cuts according to three axis of the full well section
Energy needed for the modulus of shearing of shearing stress TSE and the full well section determines drill bit shearing stratum, according to drill bit wedging stratum
Energy needed for required energy and drill bit shearing stratum determines that the characteristic parameter of drill bit, the characteristic parameter of the drill bit are used for root
Drill bit is chosen according to the characteristic parameter of the drill bit and carries out drilling well, so that the multinomial attribute for quantifying comprehensive rock is realized, according to rock
Multinomial attribute choose drill bit adaptable therewith, promote the matching degree between the drill bit of selection and stratum, improve drilling efficiency.
And speed-raising tool is chosen according to the multinomial attribute of rock, further to promote drilling efficiency.
Fig. 5 is the structural schematic diagram of the selecting device embodiment one of drilling tool of the present invention, as shown in figure 5, the present embodiment
Device may include: the first acquisition module 11, second obtain module 12, third obtain module 13, rock mechanics parameters determine
Module 14, the first energy determining module 15, the second energy determining module 16 and drill bit determining module 17, wherein first obtains mould
Block 11 obtains the uniaxial compressive strength UCS of every block of rock for carrying out rock mechanics strength test at least three blocks of rocks respectively
And Young's modulus；Second obtains module 12, for carrying out rock shear strength test at least three blocks of rocks, obtains respectively
The triaxial machining intensity TSE and modulus of shearing of every block of rock；Third obtains module 13, for carrying out acoustic logging to full well section,
Obtain acoustic travel time logging data；Rock mechanics parameters determining module 14 is strong for the uniaxial compressive according to every block of rock
Spend UCS and Young's modulus, the triaxial machining intensity TSE of every block of rock and modulus of shearing and the acoustic travel time logging
Data are fitted recurrence, determine the uniaxial compressive strength UCS of full well section, the Young's modulus of full well section, full well section three axis cut
The modulus of shearing of shearing stress TSE and full well section；First energy determining module 15, for the uniaxial compressive according to the full well section
Energy needed for the Young's modulus of intensity UCS and the full well section determines drill bit wedging stratum；Second energy determining module 16, is used for
Energy needed for determining drill bit shearing stratum according to the modulus of shearing of the triaxial machining intensity TSE of the full well section and the full well section
Amount；Drill bit determining module 17, for energy needed for the energy according to needed for drill bit wedging stratum and drill bit shearing stratum
Determine that the characteristic parameter of drill bit, the characteristic parameter of the drill bit are used to choose drill bit according to the characteristic parameter of the drill bit and be bored
Well.
The device of the present embodiment can be used for executing the technical solution of above method embodiment, realization principle and technology
Effect is similar, and details are not described herein again.
Fig. 6 is the structural schematic diagram of the selecting device embodiment two of drilling tool of the present invention, as shown in fig. 6, the present embodiment
Device apparatus structure shown in Fig. 5 on the basis of, can also include: speed-raising tool determining module 18, the speed-raising further
Tool determining module 18 is determined for energy needed for the energy according to needed for drill bit wedging stratum and drill bit shearing stratum
Broken rock mode information, what the broken rock mode information was used to be used cooperatively according to broken rock mode information selection with the drill bit
Speed-raising tool carries out drilling well；Wherein, the broken rock mode information includes that rock fracture in dynamic indentation, torsion broken rock, turbine broken rock and screw rod are broken
Rock.
The speed-raising tool determining module 18 is sheared for the energy according to needed for drill bit wedging stratum and the drill bit
Energy needed for stratum determines broken rock mode information, can specifically include: the energy needed for drill bit wedging stratum is less than first
Threshold value, and energy needed for drill bit shearing stratum is less than second threshold, then the broken rock mode information is the screw rod broken rock；
The energy needed for drill bit wedging stratum is less than first threshold, and energy needed for drill bit shearing stratum is greater than described second
Threshold value, then the broken rock mode information is the torsion broken rock；The energy needed for drill bit wedging stratum is greater than described first
Threshold value, and energy needed for drill bit shearing stratum is less than the second threshold, then the broken rock mode information is the impact
Broken rock；The energy needed for drill bit wedging stratum is greater than the first threshold, and energy needed for drill bit shearing stratum is big
In the second threshold, then the broken rock mode information is turbine broken rock.
Optionally, the first energy determining module 15 is used for uniaxial compressive strength UCS and institute according to the full well section
State full well section Young's modulus determine drill bit wedging stratum needed for energy, can specifically include: according to formula U1=1/2*UCS*
Energy needed for UCS/tan E1 determines drill bit wedging stratum；Wherein, energy needed for U1 indicates drill bit wedging stratum, E1 indicate Young
Modulus.
Optionally, the second energy determining module 16 is used for triaxial machining intensity TSE and institute according to the full well section
State full well section modulus of shearing determine drill bit shearing stratum needed for energy, can specifically include: according to formula U2=1/2*TSE*
Energy needed for TSE/tan E2 determines drill bit shearing stratum；Wherein, energy needed for U2 indicates drill bit shearing stratum, E2
Indicate modulus of shearing.
The device of the present embodiment can be used for executing the technical solution of above method embodiment, realization principle and technology
Effect is similar, and details are not described herein again.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or
The various media that can store program code such as person's CD.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of choosing method of drilling tool characterized by comprising
Rock mechanics strength test is carried out at least three blocks of rocks, obtains the uniaxial compressive strength UCS and poplar of every block of rock respectively
Family name's modulus；
Rock shear strength test is carried out at least three blocks of rocks, obtains the triaxial machining intensity TSE of every block of rock respectively
And modulus of shearing；
Acoustic logging is carried out to full well section, obtains acoustic travel time logging data；
According to the triaxial machining intensity TSE of the uniaxial compressive strength UCS of every block of rock and Young's modulus, every block of rock
Be fitted recurrence with modulus of shearing and the acoustic travel time logging data, determine full well section uniaxial compressive strength UCS,
The modulus of shearing of the full Young's modulus of well section, the triaxial machining intensity TSE of full well section and full well section；
Needed for determining drill bit wedging stratum according to the Young's modulus of the uniaxial compressive strength UCS of the full well section and the full well section
Energy；
Needed for determining drill bit shearing stratum according to the modulus of shearing of the triaxial machining intensity TSE of the full well section and the full well section
Energy；
The characteristic parameter of drill bit is determined according to energy needed for energy needed for drill bit wedging stratum and drill bit shearing stratum,
The characteristic parameter of the drill bit, which is used to choose drill bit according to the characteristic parameter of the drill bit, carries out drilling well.
2. the method according to claim 1, wherein the method also includes:
Broken rock mode information, institute are determined according to energy needed for energy needed for drill bit wedging stratum and drill bit shearing stratum
Broken rock mode information is stated to be bored for choosing the speed-raising tool being used cooperatively with the drill bit according to the broken rock mode information
Well；
Wherein, the broken rock mode information includes rock fracture in dynamic indentation, torsion broken rock, turbine broken rock and screw rod broken rock.
3. according to the method described in claim 2, it is characterized in that, energy and institute needed for the stratum according to the drill bit wedging
Energy needed for stating drill bit shearing stratum determines broken rock mode information, comprising:
The energy needed for drill bit wedging stratum is less than first threshold, and energy needed for drill bit shearing stratum is less than second
Threshold value, then the broken rock mode information is the screw rod broken rock；
The energy needed for drill bit wedging stratum is less than first threshold, and energy needed for drill bit shearing stratum is greater than described
Second threshold, then the broken rock mode information is the torsion broken rock；
The energy needed for drill bit wedging stratum is greater than the first threshold, and energy needed for drill bit shearing stratum is less than
The second threshold, then the broken rock mode information is the rock fracture in dynamic indentation；
The energy needed for drill bit wedging stratum is greater than the first threshold, and energy needed for drill bit shearing stratum is greater than
The second threshold, then the broken rock mode information is turbine broken rock.
4. method according to any one of claims 1 to 3, which is characterized in that the single shaft according to the full well section is anti-
Energy needed for the Young's modulus of Compressive Strength UCS and the full well section determines drill bit wedging stratum, comprising:
Energy needed for determining drill bit wedging stratum according to formula U1=1/2*UCS*UCS/tanE1；
Wherein, energy needed for U1 indicates drill bit wedging stratum, E1 indicate Young's modulus.
5. method according to any one of claims 1 to 3, which is characterized in that three axis according to the full well section are cut
Energy needed for the modulus of shearing of shearing stress TSE and the full well section determines drill bit shearing stratum, comprising:
Energy needed for determining drill bit shearing stratum according to formula U2=1/2*TSE*TSE/tanE2；
Wherein, energy needed for U2 indicates drill bit shearing stratum, E2 indicate modulus of shearing.
6. a kind of selecting device of drilling tool characterized by comprising
First obtains module, for carrying out rock mechanics strength test at least three blocks of rocks, obtains the list of every block of rock respectively
Axis compression strength UCS and Young's modulus；
Second obtains module, for carrying out rock shear strength test at least three blocks of rocks, obtains every block of rock respectively
Triaxial machining intensity TSE and modulus of shearing；
Third obtains module, for carrying out acoustic logging to full well section, obtains acoustic travel time logging data；
Rock mechanics parameters determining module, for according to the uniaxial compressive strength UCS and Young's modulus of every block of rock, described
The triaxial machining intensity TSE and modulus of shearing of every block of rock and the acoustic travel time logging data are fitted recurrence, determine
The full uniaxial compressive strength UCS of well section, the Young's modulus of full well section, the triaxial machining intensity TSE of full well section and full well section
Modulus of shearing；
First energy determining module, for according to the uniaxial compressive strength UCS of the full well section and the Young mould of the full well section
Measure energy needed for determining drill bit wedging stratum；
Second energy determining module, for according to the triaxial machining intensity TSE of the full well section and the shearing mould of the full well section
Measure energy needed for determining drill bit shearing stratum；
Drill bit determining module, it is true for energy needed for the energy according to needed for drill bit wedging stratum and drill bit shearing stratum
Determine the characteristic parameter of drill bit, the characteristic parameter of the drill bit is used to choose drill bit according to the characteristic parameter of the drill bit and be bored
Well.
7. device according to claim 6, which is characterized in that described device further include: speed-raising tool determining module；
The speed-raising tool determining module shears stratum institute for the energy according to needed for drill bit wedging stratum and the drill bit
Energy is needed to determine that broken rock mode information, the broken rock mode information are used to choose and the drill bit according to the broken rock mode information
The speed-raising tool being used cooperatively carries out drilling well；
Wherein, the broken rock mode information includes rock fracture in dynamic indentation, torsion broken rock, turbine broken rock and screw rod broken rock.
8. device according to claim 7, which is characterized in that the speed-raising tool determining module is used for according to the drill bit
Energy needed for energy needed for wedging stratum and drill bit shearing stratum determines broken rock mode information, comprising:
The energy needed for drill bit wedging stratum is less than first threshold, and energy needed for drill bit shearing stratum is less than second
Threshold value, then the broken rock mode information is the screw rod broken rock；
The energy needed for drill bit wedging stratum is less than first threshold, and energy needed for drill bit shearing stratum is greater than described
Second threshold, then the broken rock mode information is the torsion broken rock；
The energy needed for drill bit wedging stratum is greater than the first threshold, and energy needed for drill bit shearing stratum is less than
The second threshold, then the broken rock mode information is the rock fracture in dynamic indentation；
The energy needed for drill bit wedging stratum is greater than the first threshold, and energy needed for drill bit shearing stratum is greater than
The second threshold, then the broken rock mode information is turbine broken rock.
9. according to the described in any item devices of claim 6 to 8, which is characterized in that the first energy determining module is used for root
Energy needed for determining drill bit wedging stratum according to the uniaxial compressive strength UCS of the full well section and the Young's modulus of the full well section,
Include:
Energy needed for determining drill bit wedging stratum according to formula U1=1/2*UCS*UCS/tanE1；
Wherein, energy needed for U1 indicates drill bit wedging stratum, E1 indicate Young's modulus.
10. according to the described in any item devices of claim 6 to 8, which is characterized in that the second energy determining module is used for root
Energy needed for determining drill bit shearing stratum according to the triaxial machining intensity TSE of the full well section and the modulus of shearing of the full well section,
Include:
Energy needed for determining drill bit shearing stratum according to formula U2=1/2*TSE*TSE/tanE2；
Wherein, energy needed for U2 indicates drill bit shearing stratum, E2 indicate modulus of shearing.
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