CN108868607A - A kind of gas drilling control wedged bottom portion hole assembly design method - Google Patents
A kind of gas drilling control wedged bottom portion hole assembly design method Download PDFInfo
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- CN108868607A CN108868607A CN201810318574.1A CN201810318574A CN108868607A CN 108868607 A CN108868607 A CN 108868607A CN 201810318574 A CN201810318574 A CN 201810318574A CN 108868607 A CN108868607 A CN 108868607A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
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- Geochemistry & Mineralogy (AREA)
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Abstract
The present invention relates to a kind of gas drilling control wedged bottom portion hole assembly design methods, and steps are as follows：A. it utilizes measuring device to measure the geometric parameter of the drill bit in bottom drilling assembly, pre-bending short circuit, drill collar, stabilizer, while obtaining elasticity modulus, Poisson's ratio and the intensive parameter of these component materials；B. a set of pre-bending pendulum bottom drilling assembly is primarily determined according to the hole deviation feature situation and practical experience on stratum to be drilled；C. it determines the size of its dynamic drop angle power and dynamic axial power, obtains dynamic and close control oblique force；D. in fixed other parameters, change any one structural parameters, determine that corresponding dynamic closes control oblique force size, and find out maximum dynamic and close the corresponding structural parameters of control oblique force；E. according to the existing deposit of tools of structural parameters and well site that there is maximum dynamic to close control oblique force, pre-bending pendulum bottom drilling assembly is determined.The bottom drilling assembly that the present invention designs can effectively control gas drilling hole deviation, provide technical support for gas drilling operation.
Description
Technical field
The invention belongs to oilfield prospecting developing drilling technology field, specifically a kind of gas drilling control wedged bottom portion is bored
Has unitized designing method.
Background technique
Gas drilling due to many-sided advantage such as it is high with rate of penetration, leakage is reduced or avoided, avoids reservoir damage,
Have been cited as one of 21 century most potential technology.It can not only increase substantially bit speed, and can successfully solve
The problems such as serious, the oil reservoir pollution of formation leakage.In recent years, domestic gas drilling application technology rapidly develops, in many oil fields
It has obtained relatively broad application, it is China's oil that related stratum, which includes sandstone, mud stone, shale, limestone and huge thick boulder bed,
The raising of gas drilling rate and the discovery of emphasis reservoir are made that major contribution.But along with the continuous of this technical application range
It widens, a new problem is come into being, that is, the easily oblique problem of gas drilling straight well.Originally area substantially not oblique with mud drilling
There is more serious hole deviation problem after gas drilling in block.Generally existing deflecting control problem restricts gas drilling
The development of technology.
Currently, for problem easily oblique for gas drilling straight well there are no very good solution means, one of reason is exactly to gas
The understanding that drilling well hole deviation mechanism will be apparent that not yet lacks effective means to gas drilling deflecting control.Gas drilling well at present
The research of oblique mechanism is carried out mainly around two aspects, first is that carried out many work around gas drilling rock breaking mechanism, it is another
It is from deflecting control method angle learning gas drilling well hole deviation mechanism.It is bored from rock-cracking mechanism angle learning gas
The work of well hole deviation mechanism is particularly significant to the understanding of gas drilling hole deviation reason.But it is undeniable to be, from bottom drill tool group
Close angle degree set out study related hole deviation mechanism to control gas drilling hole deviation more have practical directive significance.By from bottom drill tool group
Close angle degree, which sets out, studies related hole deviation mechanism, and a kind of oblique bottom drilling assembly of gas drilling control of final design can provide larger
Dynamic close control oblique force, realize gas drilling deflecting control, provide important support for the development of gas drilling.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the present invention provides a kind of oblique bottom drill tools of gas drilling control
Unitized designing method, the bottom drilling assembly use the pendulum bottom drilling assembly with pre-bending structure, are suitable for gas drilling
Control is oblique.
In order to solve the above-mentioned technical problem, present invention employs following technical solutions：
A kind of gas drilling control wedged bottom portion hole assembly design method, specifically comprises the following steps：
A. the geometric parameters of drill bit, pre-bending short circuit, drill collar, stabilizer in measuring device measurement bottom drilling assembly are utilized
Number, including parameters such as outer diameter, internal diameter, length, while by laboratory test or inquiry obtain these component materials elasticity modulus,
Poisson's ratio and intensive parameter；
B. according to the hole deviation feature situation on stratum to be drilled, the pendulum bottom drill tool group of a cuff pre-bending structure is primarily determined
It closes comprising drill bit, pre-bending short circuit, the first drill collar, lower stabilizer, the second drill collar, upper stabilizer, third drill collar, the drill bit
It is shorted the first drill collar of connection by pre-bending, first drill collar connects the second drill collar by lower stabilizer, and second drill collar is logical
Cross stabilizer connection third drill collar；And according to wellbore design diameter, select with the outer diameter of upper-part；
C. the dynamic drop angle power and dynamic axial of drill bit in the pendulum bottom drilling assembly with pre-bending structure in step b are determined
The size of power obtains dynamic and closes control oblique force；
D. in fixed other parameters, change any one structural parameters, determine that corresponding dynamic closes control oblique force size,
And it finds out maximum dynamic and closes the corresponding structural parameters of control oblique force；
E. final to determine band pre-bending according to the existing deposit of tools of structural parameters and well site that there is maximum dynamic to close control oblique force
The pendulum bottom drilling assembly of structure, wherein the length of third drill collar is determined according to requirement of engineering.
The determination method of control oblique force is dynamically closed in the step c, specially：
C1. the dynamic drop angle power of drill bit in the pendulum bottom drilling assembly with pre-bending structure is determined according to following formula：
In formula,
In formula, RbFor drill bit radius, RsFor stabilizer radius, b0Gap between wellbore and drill bit.L1For curved point to brill
The distance of end surface, L2It is curved point to the length at lower stabilizer midpoint, and has L=L1+L2.α is bent angle,E is mass center and geometry of the drill bit to pendulum segment between lower stabilizer
The distance at center, γ are the radial displacement of drill bit to the mass center of pendulum segment between lower stabilizer, and θ is its corner around z-axis, and m is
For drill bit to the quality of pendulum segment between lower stabilizer, Ω is ground rotary speed, s0Between average between stabilizer and wellbore
Gap, t are the time.A=Foγcosθ+Foθsinθ+meΩ2cosΩt.X-axis along the high edge direction of wellbore, z-axis along drill axis direction,
Y-axis is by x, the orthogonal determination of z-axis.
FOγAnd FOθIt is made of inertia force and contact force two parts：
In formula, φ is angle of friction, is determined by Coulomb friction
Rule obtains.khFor Hertz contact coefficient, μhFor Coulomb friction coefficient, RcFor drill collar outer diameter, a1For drill bit to clock between lower stabilizer
Put the inherent deformation amount of section midpoint, IcFor the moment of inertia in drill collar section, E is the elasticity modulus of drill collar, and P is bit pressure, c0For drill collar
Mean gap between the borehole wall.
C2. the dynamic axial power of drill bit is determined according to the following equation：
In formula, kzFor Rock rigidity coefficient, k is generally takenz=6.78 × 1011N·m-3。
C3. the dynamic that drill bit is determined according to the following equation closes control oblique force：
The direction that dynamic closes control oblique force is：
In formula, i, j, k are the unit vector of three axis, and wherein i is along the high edge direction of wellbore, and k is along drill axis direction.
The corresponding maximum each structural parameters for closing control oblique force in the step d refer to stabilizer outer diameter, stabilizer position,
Bent angle size and location, determination method are realized through the following steps：
D1. other parameters are constant, keep the outer diameter of lower stabilizer 0mm smaller than hole diameter respectively, 1mm, 2mm ..., 10mm, calculate
Corresponding dynamic closes control oblique force, finds out the outer diameter that the lower stabilizer 4 of control oblique force is closed with maximum dynamic；
D2. other parameters are constant, keep the outer diameter of stabilizer 0mm smaller than hole diameter respectively, 1mm, 2mm ..., 10mm, calculate
Corresponding dynamic closes control oblique force, finds out the outer diameter that the upper stabilizer of control oblique force is closed with maximum dynamic；
D3. other parameters are constant, make the length namely pendulum segment length between bit face and lower stabilizer be respectively
10m, 12m, 14m ..., 30m calculate corresponding dynamic and close control oblique force, find out the pendulum segment length that control oblique force is closed with maximum dynamic
Degree；
D4. other parameters are constant, and making the length of the second drill collar between lower stabilizer and upper stabilizer is respectively 6m,
7m, 8m ..., 20m calculate corresponding dynamic and close control oblique force, find out the length that the second drill collar of control oblique force is closed with maximum dynamic；
D5. other parameters are constant, and curved distance of the point away from bit face for being shorted pre-bending is respectively 1.0m, 1.2m,
1.3m ..., 1.6m calculate corresponding dynamic and close control oblique force, find out and close the curved point of control oblique force away from bit face with maximum dynamic
Distance；
D6. other parameters are constant, and the bent angle for being shorted pre-bending is respectively 0.5 °, 0.55 °, 0.6 ° ..., 1.5 °, calculate pair
The dynamic answered closes control oblique force, finds out the bent angle size that control oblique force is closed with maximum dynamic.
Drill bit of the present invention includes rock bit and PDC drill bit, and size is unlimited.The lower stabilizer and upper stabilization
Device is spiral stabilizer.
Compared with prior art, the beneficial effects of the present invention are：
A kind of gas drilling control wedged bottom portion hole assembly design method provided by the invention, based on by drill bit, pre-bending be shorted,
The pre-bending pendulum bottom drilling assembly of stabilizer and drill collar composition determines that the dynamic of drill bit closes control oblique force size, according to most
Larger Dynamic closes the existing deposit of tools of BHA's structure parameter and well site of control oblique force, determines pre-bending pendulum bottom drill tool group
The structure of conjunction.A kind of oblique pre-bending pendulum bottom drilling assembly of control is provided for gas drilling operation.
Detailed description of the invention
Fig. 1 is gas drilling pre-bending pendulum bottom drilling assembly.
Fig. 2 is the dynamic drop angle power of the gas drilling pre-bending pendulum bottom drilling assembly of design.
Fig. 3 is the dynamic axial power of the gas drilling pre-bending pendulum bottom drilling assembly of design.
Fig. 4 is the conjunction control oblique force of gas drilling pre-bending pendulum bottom drilling assembly.
The dynamic of drill bit closes control oblique force when Fig. 5 is different lower stabilizer outer diameters.
Fig. 6 is that the dynamic of drill bit when not being same as above stabilizer outer diameter closes control oblique force.
The dynamic of drill bit closes control oblique force when Fig. 7 is different pendulum length.
Fig. 8 is that different lower dynamics between stabilizer and upper stabilizer when drill collar length close control oblique force.
Fig. 9 be different curved points away from bit face apart from when dynamic close control oblique force.
Dynamic when Figure 10 is different pre-bending structure bent angle closes control oblique force.
Specific embodiment
Present invention is further described in detail in the following with reference to the drawings and specific embodiments.
The present embodiment is described in detail the method for the present invention by taking the gas drilling applied to a certain block XXX well as an example,
The well gas drilling well carries out air drilling using the pre-bending pendulum bottom drilling assembly of this method design.
A kind of gas drilling control wedged bottom portion hole assembly design method, specifically comprises the following steps：
A. the geometric parameters of drill bit, pre-bending short circuit, drill collar, stabilizer in measuring device measurement bottom drilling assembly are utilized
Number, including parameters such as outer diameter, internal diameter, length, while by laboratory test or inquiry obtain these component materials elasticity modulus,
Poisson's ratio and intensive parameter；
B. according to the hole deviation feature situation on stratum to be drilled, the pendulum bottom drill tool group of a cuff pre-bending structure is primarily determined
It closes, as shown in Figure 1 comprising drill bit 1, pre-bending are shorted the 2, first drill collar 3, lower stabilizer 4, the second drill collar 5, upper stabilizer 6, the
Three drill collars 7, the drill bit 1 are shorted 2 the first drill collars 3 of connection by pre-bending, and first drill collar 3 passes through lower stabilizer 4 connection the
Two drill collars 5, second drill collar 5 connect third drill collar 7 by upper stabilizer 6；And according to wellbore design diameter, select with top
The outer diameter of part；In the present embodiment, form as follows：+ 228.6 pre-bending of 431.8mm rock bit is shorted (0.75 °) × 1m+
228.6DC × 2 piece+429mm stabilizer+9 " DC × 1 piece+429mm stabilizer+228.6mmDC × 3 piece+....
C. the dynamic drop angle power and dynamic axial of drill bit in the pendulum bottom drilling assembly with pre-bending structure in step b are determined
The size of power obtains dynamic and closes control oblique force；Specially：Dynamic drop angle power is determined according to formula (1)~(2), as shown in Figure 2.According to
Formula (7) determines dynamic axial power, as shown in Figure 3.Determine that dynamic closes control oblique force according to formula (8)~(9), as shown in Figure 4.
D. in fixed other parameters, change any one structural parameters, determine that corresponding dynamic closes control oblique force size,
And it finds out maximum dynamic and closes the corresponding structural parameters of control oblique force；Specially：
D1. other parameters are constant, keep the outer diameter of lower stabilizer 4 0mm smaller than hole diameter respectively, 1mm, 2mm ..., 10mm, calculate
Corresponding dynamic closes control oblique force, finds out the outer diameter that the lower stabilizer 4 of control oblique force is closed with maximum dynamic；As shown in Figure 5.From figure
As can be seen that it is maximum that dynamic closes control oblique force when lower 4 outer diameter of stabilizer 3mm smaller than hole diameter.
D2. other parameters are constant, keep the outer diameter of stabilizer 6 0mm smaller than hole diameter respectively, 1mm, 2mm ..., 10mm, calculate
Corresponding dynamic closes control oblique force, finds out the outer diameter that the upper stabilizer 6 of control oblique force is closed with maximum dynamic；As shown in Figure 6.From figure
As can be seen that it is maximum that dynamic closes control oblique force when upper 6 outer diameter of stabilizer 3mm smaller than hole diameter.
D3. other parameters are constant, make the length namely pendulum segment length between 1 end face of drill bit and lower stabilizer 4 be respectively
10m, 12m, 14m ..., 30m calculate corresponding dynamic and close control oblique force, find out the pendulum segment length that control oblique force is closed with maximum dynamic
Degree；As shown in Figure 7.It can be seen from the figure that it is maximum that dynamic closes control oblique force when pendulum length is 20m.
D4. other parameters are constant, make the length of the second drill collar 5 between lower stabilizer 4 and upper stabilizer 6 be respectively
6m, 7m, 8m ..., 20m calculate corresponding dynamic and close control oblique force, find out with maximum the second drill collar 5 for dynamically closing control oblique force
Length；As shown in Figure 8.It can be seen from the figure that it is maximum that dynamic closes control oblique force when the length of the second drill collar 5 is 9m.
D5. other parameters are constant, and so that pre-bending is shorted 2 distance of the curved point away from 1 end face of drill bit is respectively 1.0m, 1.2m,
1.3m ..., 1.6m calculate corresponding dynamic and close control oblique force, find out and close the curved point of control oblique force away from 1 end face of drill bit with maximum dynamic
Distance；As shown in Figure 9.It can be seen from the figure that it is maximum that dynamic closes control oblique force when distance of the curved point away from 1 end face of drill bit is 1m.
D6. other parameters are constant, and so that pre-bending is shorted 2 bent angle is respectively 0.5 °, 0.55 °, 0.6 ° ..., 1.5 °, calculate pair
The dynamic answered closes control oblique force, finds out the bent angle size that control oblique force is closed with maximum dynamic；As shown in Figure 10.It can from figure
Out, when bent angle is 0.9 °, it is maximum that dynamic closes control oblique force.
E. according to the existing deposit of tools of structural parameters and well site that there is maximum dynamic to close control oblique force, this implementation is finally determined
Example pre-bending pendulum bottom drilling assembly be：Bis- female connector × the 0.4m+ of 431.8mm rock bit × 0.4m+228.6mm
228.6mm float valve × 0.4m+228.6mm pre-bending is shorted (0.75 °) × 1m+228.6mmDC × 18m+429mm stabilizer × 1.4m
+ 228.6mmDC × 9m+429mm stabilizer × 1.4m+228.6mmDC × 27m+ ....Corresponding pendulum length is about 20.9m, and two
The distance between a stabilizer is about 10.4m.The length of third drill collar 7 is determined as 27m according to requirement of engineering.
Using design method provided by the invention, the oblique pre-bending pendulum bottom drill tool of control suitable for gas drilling can be obtained
Combination, provides support for gas drilling operation.The embodiment of the present invention is based on real gas drillng operation environment, is shorted using pre-bending
Pre-bending pendulum bottom drilling assembly is formed, its drill bit dynamic drop angle power and dynamic axial power are then evaluated, determines that a kind of control is tiltedly pre-
Curved pendulum bottom drilling assembly tiltedly provides effective means for gas drilling control.
Claims (5)
1. a kind of gas drilling control wedged bottom portion hole assembly design method, the bottom drilling assembly uses the clock with pre-bending structure
Bottom drilling assembly is put, it is oblique to be suitable for gas drilling control, which is characterized in that specifically comprise the following steps：
A. measuring device is utilized to measure the geometric parameter of the drill bit in bottom drilling assembly, pre-bending short circuit, drill collar, stabilizer, together
When by laboratory test or inquiry obtain these component materials elasticity modulus, Poisson's ratio and intensive parameter；
B. according to the hole deviation feature situation on stratum to be drilled, the pendulum bottom drilling assembly of a cuff pre-bending structure is primarily determined,
Including drill bit, pre-bending short circuit, the first drill collar, lower stabilizer, the second drill collar, upper stabilizer, third drill collar, the drill bit passes through pre-
Curved short circuit connects the first drill collar, and first drill collar connects the second drill collar by lower stabilizer, and second drill collar passes through upper steady
Determine device connection third drill collar；And according to wellbore design diameter, select with the outer diameter of upper-part；
C. the dynamic drop angle power and dynamic axial power of drill bit in the pendulum bottom drilling assembly with pre-bending structure are determined in step b
Size obtains dynamic and closes control oblique force；
D. in fixed other parameters, change any one structural parameters, determine that corresponding dynamic closes control oblique force size, and look for
Maximum dynamic closes the corresponding structural parameters of control oblique force out；
E. final to determine band pre-bending structure according to the existing deposit of tools of structural parameters and well site that there is maximum dynamic to close control oblique force
Pendulum bottom drilling assembly, wherein the length of third drill collar according to requirement of engineering determine.
2. gas drilling control wedged bottom portion according to claim 1 hole assembly design method, which is characterized in that the step
The determination method of control oblique force is dynamically closed in rapid c, specially：
C1. the dynamic drop angle power of drill bit in the pendulum bottom drilling assembly with pre-bending structure is determined according to following formula：
In formula,
In formula, RbFor drill bit radius, RsFor stabilizer radius, b0Gap between wellbore and drill bit；L1Curved point is shorted for pre-bending
To the distance of bit face, L2It is curved point to the length at lower stabilizer midpoint, and has L=L1+L2；α is bent angle,E is mass center and geometry of the drill bit to pendulum segment between lower stabilizer
The distance at center, γ are the radial displacement of drill bit to the mass center of pendulum segment between lower stabilizer, and θ is its corner around z-axis, and m is
For drill bit to the quality of pendulum segment between lower stabilizer, Ω is ground rotary speed, s0Between average between stabilizer and wellbore
Gap, t are the time；A=Foγcosθ+Foθsinθ+meΩ2cosΩt；X-axis along the high edge direction of wellbore, z-axis along drill axis direction,
Y-axis is by x, the orthogonal determination of z-axis；
FOγAnd FOθIt is made of inertia force and contact force two parts：
In formula, φ is angle of friction, is determined by Coulomb friction
Rule obtains；khFor Hertz contact coefficient, μhFor Coulomb friction coefficient, RcFor drill collar outer diameter, a1For drill bit to clock between lower stabilizer
Put the inherent deformation amount of section midpoint, IcFor the moment of inertia in drill collar section, E is the elasticity modulus of drill collar, and P is bit pressure, c0For drill collar
Mean gap between the borehole wall；
C2. the dynamic axial power of drill bit is determined according to the following equation：
In formula, kzFor Rock rigidity coefficient, k is generally takenz=6.78 × 1011N·m-3；
C3. the dynamic that drill bit is determined according to the following equation closes control oblique force：
The direction that dynamic closes control oblique force is：
In formula, i, j, k are the unit vector of three axis, and wherein i is along the high edge direction of wellbore, and k is along drill axis direction.
3. gas drilling control wedged bottom portion according to claim 1 hole assembly design method, which is characterized in that the step
The corresponding maximum each structural parameters for closing control oblique force in rapid d refer to stabilizer outer diameter, stabilizer position, bent angle size and location,
Its determination method is realized through the following steps：
D1. other parameters are constant, keep the outer diameter of lower stabilizer 0mm smaller than hole diameter respectively, 1mm, 2mm ..., 10mm, calculate and correspond to
Dynamic close control oblique force, find out the outer diameter that the lower stabilizer of control oblique force is closed with maximum dynamic；
D2. other parameters are constant, keep the outer diameter of stabilizer 0mm smaller than hole diameter respectively, 1mm, 2mm ..., 10mm, calculate and correspond to
Dynamic close control oblique force, find out the outer diameter that the upper stabilizer of control oblique force is closed with maximum dynamic；
D3. other parameters are constant, and making length namely pendulum segment length between bit face and lower stabilizer is respectively 10m,
12m, 14m ..., 30m calculate corresponding dynamic and close control oblique force, find out the pendulum segment length that control oblique force is closed with maximum dynamic；
D4. other parameters are constant, and making the length of the second drill collar between lower stabilizer and upper stabilizer is respectively 6m, 7m,
8m ..., 20m calculate corresponding dynamic and close control oblique force, find out the length that the second drill collar of control oblique force is closed with maximum dynamic；
D5. other parameters are constant, and curved distance of the point away from bit face for being shorted pre-bending is respectively 1.0m, 1.2m, 1.3m ...,
1.6m calculates corresponding dynamic and closes control oblique force, finds out curved distance of the point away from bit face that control oblique force is closed with maximum dynamic；
D6. other parameters are constant, and the bent angle for being shorted pre-bending is respectively 0.5 °, 0.55 °, 0.6 ° ..., 1.5 °, calculate corresponding
Dynamic closes control oblique force, finds out the bent angle size that control oblique force is closed with maximum dynamic.
4. gas drilling control wedged bottom portion according to claim 1 hole assembly design method, which is characterized in that the brill
Head includes rock bit and PDC drill bit, and size is unlimited.
5. gas drilling control wedged bottom portion according to claim 1 hole assembly design method, which is characterized in that under described
Stabilizer and upper stabilizer are spiral stabilizer.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756718A (en) * | 2020-06-05 | 2021-12-07 | 中国石油化工股份有限公司 | Drilling deviation prevention process recommendation method and system |
| CN113944425A (en) * | 2020-07-16 | 2022-01-18 | 中国石油化工股份有限公司 | Drill bit steady-state working and energy increasing collaborative rock breaking method and device for complex stratum |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260783A (en) * | 2008-02-29 | 2008-09-10 | 上海大学 | Prebending kinetics deviation control and fast drilling method |
| CN102242603A (en) * | 2011-07-18 | 2011-11-16 | 上海大学 | Bottom drilling tool combination with double stabilizers resisting deviation by using prebuckling dynamics |
| CN102278066A (en) * | 2011-07-18 | 2011-12-14 | 上海大学 | Anti-deflection and fast drilling bottom drilling tool combination for composite drilling |
| CN102330538A (en) * | 2011-10-10 | 2012-01-25 | 上海大学 | Bottom hole assembly for prebuckling dynamical pendulum of single stabilitzer |
| CN202900044U (en) * | 2012-11-16 | 2013-04-24 | 中国石油天然气股份有限公司 | Double stabilizer prebuckling dynamics pendulum drilling assembly |
| CN107576353A (en) * | 2017-07-31 | 2018-01-12 | 上海大学 | A kind of fast appraisement method of pre-bending BHA working condition |
-
2018
- 2018-04-11 CN CN201810318574.1A patent/CN108868607B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260783A (en) * | 2008-02-29 | 2008-09-10 | 上海大学 | Prebending kinetics deviation control and fast drilling method |
| CN102242603A (en) * | 2011-07-18 | 2011-11-16 | 上海大学 | Bottom drilling tool combination with double stabilizers resisting deviation by using prebuckling dynamics |
| CN102278066A (en) * | 2011-07-18 | 2011-12-14 | 上海大学 | Anti-deflection and fast drilling bottom drilling tool combination for composite drilling |
| CN102330538A (en) * | 2011-10-10 | 2012-01-25 | 上海大学 | Bottom hole assembly for prebuckling dynamical pendulum of single stabilitzer |
| CN202900044U (en) * | 2012-11-16 | 2013-04-24 | 中国石油天然气股份有限公司 | Double stabilizer prebuckling dynamics pendulum drilling assembly |
| CN107576353A (en) * | 2017-07-31 | 2018-01-12 | 上海大学 | A kind of fast appraisement method of pre-bending BHA working condition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756718A (en) * | 2020-06-05 | 2021-12-07 | 中国石油化工股份有限公司 | Drilling deviation prevention process recommendation method and system |
| CN113944425A (en) * | 2020-07-16 | 2022-01-18 | 中国石油化工股份有限公司 | Drill bit steady-state working and energy increasing collaborative rock breaking method and device for complex stratum |
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| CN108868607B (en) | 2020-04-03 |
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