CN109025801A - Method for determining swing range of sliding drilling drill column - Google Patents

Method for determining swing range of sliding drilling drill column Download PDF

Info

Publication number
CN109025801A
CN109025801A CN201810736248.2A CN201810736248A CN109025801A CN 109025801 A CN109025801 A CN 109025801A CN 201810736248 A CN201810736248 A CN 201810736248A CN 109025801 A CN109025801 A CN 109025801A
Authority
CN
China
Prior art keywords
drill string
torque
drill
drilling
distribution curve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810736248.2A
Other languages
Chinese (zh)
Inventor
贾利春
刘伟
谭清明
白璟
张德军
杨晓峰
陈东
张继川
连太炜
谢意
胡超
张斌
黄兵
戢丽衡
黄崇君
汪洋
郑超华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Petroleum Corp
CNPC Chuanqing Drilling Engineering Co Ltd
Original Assignee
China National Petroleum Corp
CNPC Chuanqing Drilling Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China National Petroleum Corp, CNPC Chuanqing Drilling Engineering Co Ltd filed Critical China National Petroleum Corp
Priority to CN201810736248.2A priority Critical patent/CN109025801A/en
Publication of CN109025801A publication Critical patent/CN109025801A/en
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E21B3/025—Surface drives for rotary drilling with a to-and-fro rotation of the tool
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/02—Automatic control of the tool feed
    • E21B44/04—Automatic control of the tool feed in response to the torque of the drive ; Measuring drilling torque
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses a method for determining the swing range of a sliding drilling string, which comprises the following steps: a) analyzing and calculating the underground drill string friction resistance under the conditions of actual drilling hole track and drilling tool combination; b) obtaining a reaction torque transmission distribution curve along the drill column upwards; c) obtaining a ground torque transmission distribution curve along the drill column; d) according to the downward transmission distribution curve of the ground torque and the upward transmission distribution curve of the screw reaction torque, the position where the upward transmission of the screw reaction torque along the drill string is zero is taken as the lower limit, and 0.5T is takenSeparation device～0.8TSeparation deviceTo an upper limit, determine the downhole drill string length L unaffected by surface torque and screw reaction torqueInE) obtaining the length L of the oscillating drill string from the upper limitOn the upper partAnd applied ground torque; f) setting a sliding drilling interval and repeating the above steps a) -e) to adjust a surface torque parameter applied by the oscillating motion of the drill string. By adopting the method, the problems of 'pressure support', unstable tool surface and the like of the sliding drilling can be solved, so that the sliding drilling speed and efficiency are improved.

Description

A kind of determination method of slide drilling drill string swing range
Technical field
The present invention relates to oil and gas exploration drilling technology fields, specifically relate to a kind of slide drilling drill string swing Method of determining range.
Background technique
In oil and gas well drilling, directional well, horizontal well are most common well type, and slide drilling technology is orientation The main drillng operation mode of well, horizontal well.Slide drilling is in drilling process, and drill bit is not rotated with upper drill, by spiral shell Bar power drilling tool drives bit to realize that continuous broken rock forms wellbore.Although cost is relatively low for slide drilling technology, using wide It is general, but a disadvantage is that due in drilling process drill string do not make rotating motion, keep opposing stationary, and part underground drill stem and well Wall contacts now, causes drill string frictional resistance to increase, applies bit pressure difficulty to drill bit, " backing pressure " situation frequently occurs, on the one hand meeting It causes bit speed slow, on the other hand keeps the tool-face of threaded rod power drill set to stablize also more difficult, need constantly to adjust work Tool face.
For slide drilling " backing pressure " problem, it can weaken or eliminate by continuous clockwise, counter-clockwise swing drill string The stiction of upper drilling string, to improve the efficiency of slide drilling operation.But how to determine the range of drill string pendulum motion, It is the key that realize this method.Publication No. CN101466911A, publication date are the Chinese patent literature on June 24th, 2009 A kind of device and method for swinging drill string are disclosed, although referring to the method for swinging drill string, this method does not announce determination Clockwise with the calculating step of rotary drill column range counterclockwise, do not have operability in slide drilling application.For drill string Hunting range is still determined by live drilling experience, lacks corresponding calculation and analysis methods, and drill string is caused to swing slide drilling It is ineffective.
Summary of the invention
The present invention is directed to for defect and deficiency present in the above-mentioned prior art, provide a kind of slide drilling drill string to wave Method of determining range during drill string swings slide drilling, determines the torque range for swinging drill string, such as using this method Clockwise, counterclockwise needed for apply well head drill string torque, realize continue rotary drill column clockwise, counterclockwise without change spiral shell The relative direction of bar power drilling tool, weaken or eliminate upper drilling string stiction, solve slide drilling faced " backing pressure ", The problems such as tool-face is unstable, so that slide drilling speed and efficiency are improved, so that drill string swings sliding practicability and can operate Property it is stronger, have very important realistic meaning.
The present invention is realized by using following technical proposals:
A kind of determination method of slide drilling drill string swing range, it is characterised in that steps are as follows:
A) the underground drill stem frictional resistance in the case of analytical calculation drilled wellbore trajectories and drill assembly；
B) according to the output torque of helicoid hydraulic motor in drill assembly, the adjacent drill string length L that screw rod reaction torque is influenced is determinedUnder, It obtains reaction torque and transmits distribution curve upwards along drill string；
Torque T when c) being bored by drill bit from bottom skyFromIt obtains surface torque and transmits distribution curve downwards along drill string；
D) it transmits distribution curve downwards according to surface torque and screw rod reaction torque transmits distribution curve upwards, with screw rod reaction torque edge The position that drill string is transmitted as zero upwards is lower limit, with 0.5TFrom~0.8TFromIt is determining not anti-twisted by surface torque and screw rod for the upper limit The underground drill stem length L that square influencesIn；
E) obtain swinging the length L of drill string by the upper limitOnIt is rotated clockwise, counterclockwise with the surface torque applied, including drill string Torque；
F) slipping drilling interval and a)-e that repeats the above steps are set) adjust the surface torque parameter that drill string pendulum motion applies.
In step a), by current drilled wellbore trajectories and drill assembly, underground is calculated using tubular buckling model analysis The frictional resistance of drill string, coefficient of friction can be full well section average value between drill string and the borehole wall when analysis, be also possible to point well section Average value.
In step b), underground helicoid hydraulic motor output torque is reacted to and underground spiral shell by the contact of drill bit and ground interlayer Above the adjacent drill string of bar drill tool connection, the direction for driving drill string opposite with drill bit rotates, until rubbing between drill string and the borehole wall It wipes dynamic balance and falls the reaction force, so that it is determined that the adjacent drill string length that helicoid hydraulic motor reaction torque is influenced.
In step d), surface torque transmits downwards distribution curve and screw rod reaction torque transmits the presence of both distribution curves upwards When intersection point, using the position of point of intersection as lower limit, still with 0.5TFrom~0.8TFromFor the upper limit.
In step e), obtain swinging the length L of drill string by the upper limitOnWith the surface torque and angle applied, including drill string Clockwise, the torque and angle rotated counterclockwise.
In step e), the clockwise of ground turntable torque, anti-clockwise torque and angle numerically can be identical or not Identical, clockwise turntable torque, angle are greater than turntable torque and angle counterclockwise.
In step f), 30m is divided between slipping drilling, every slipping drilling 30m, then repeat the above steps a)-e) adjustment brill The surface torque and angle parameter that column pendulum motion applies.
Compared with prior art, the beneficial effects obtained by the present invention are as follows it is as follows:
1, slide drilling is swung for drill string, is analyzed by underground drill stem frictional resistance severity, obtain underground threaded rod power drill set Output torque influences the safe drill string length range between drill string length and ground turntable torque influence drill string length, determines drill string The range of pendulum motion clockwise and anticlockwise, to be mentioned really for controlling the drill string pendulum motion of slide drilling to realize High slide drilling efficiency provides technical support.
2, the torque range for swinging drill string, such as up time are determined during drill string swings slide drilling using this method Needle, the counterclockwise required well head drill string torque applied, realization continue rotary drill column clockwise, counterclockwise without changing screw rod power The relative direction of drilling tool weakens or eliminates the stiction of upper drilling string, solves " backing pressure ", tool-face that slide drilling is faced The problems such as unstable, so that slide drilling speed and efficiency are improved, so that drill string swings sliding practicability and operability is stronger, With very important realistic meaning.
Detailed description of the invention
Below in conjunction with specification drawings and specific embodiments, the present invention is described in further detail, in which:
Fig. 1 is flow diagram of the present invention.
Fig. 2 is used surface torque and screw rod reaction torque distribution schematic diagram by the present invention.
Fig. 3 is slide drilling system schematic of the present invention.
Specific embodiment
Embodiment 1
As a better embodiment of the invention, it discloses a kind of determination method of slide drilling drill string swing range, steps It is rapid as follows:
A) the underground drill stem frictional resistance in the case of analytical calculation drilled wellbore trajectories and drill assembly；
B) according to the output torque of helicoid hydraulic motor in drill assembly, the adjacent drill string length L that screw rod reaction torque is influenced is determinedUnder, It obtains reaction torque and transmits distribution curve upwards along drill string；
Torque T when c) being bored by drill bit from bottom skyFromIt obtains surface torque and transmits distribution curve downwards along drill string；
D) it transmits distribution curve downwards according to surface torque and screw rod reaction torque transmits distribution curve upwards, with screw rod reaction torque edge The position that drill string is transmitted as zero upwards is lower limit, with 0.5TFrom~0.8TFromIt is determining not anti-twisted by surface torque and screw rod for the upper limit The underground drill stem length L that square influencesIn；
E) obtain swinging the length L of drill string by the upper limitOnIt is rotated clockwise, counterclockwise with the surface torque applied, including drill string Torque；
F) slipping drilling interval and a)-e that repeats the above steps are set) adjust the surface torque parameter that drill string pendulum motion applies.
Embodiment 2
Slide drilling timeliness is swung in order to improve drill string, the present invention provides the determination sides that a kind of slide drilling swings drill string range Method, as shown in Figure 1, this method includes the following steps: the underground in the case of a) analytical calculation drilled wellbore trajectories and drill assembly Drill string frictional resistance；B) according to the output torque of helicoid hydraulic motor in drill assembly, the adjacent drill string for determining that screw rod reaction torque is influenced is long Spend LUnder, reaction torque, which is obtained, along drill string transmits distribution curve upwards；Torque T when c) being bored by drill bit from bottom skyFromObtain surface torque Distribution curve is transmitted downwards along drill string；D) it transmits distribution curve downwards according to surface torque and screw rod reaction torque transmits distribution upwards Curve, it is general be transmitted as upwards using screw rod reaction torque along drill string zero position as lower limit, with 0.5TFrom~0.8TFromFor the upper limit, really The fixed underground drill stem length L not influenced by surface torque and screw rod reaction torqueIn；E) obtain swinging the length L of drill string by the upper limitOnWith Surface torque, the angle applied, the torque rotated clockwise, counterclockwise including drill string, angle；F) certain slipping drilling is set Interval, such as every slipping drilling 30m, repeat the above steps the surface torque for adjusting drill string pendulum motion application, angle parameter.
In step a), by current drilled wellbore trajectories and drill assembly, underground is calculated using tubular buckling model analysis The frictional resistance of drill string, coefficient of friction can be full well section average value between drill string and the borehole wall when analysis, be also possible to point well section Average value.
In step b), according to the output torque of helicoid hydraulic motor in drill assembly, determine that screw rod reaction torque is influenced adjacent Drill string length LUnder, reaction torque, which is obtained, along drill string transmits distribution curve upwards.
Further, in step b), contact of the underground helicoid hydraulic motor output torque by drill bit and ground interlayer, reaction To above the adjacent drill string connecting with underground helicoid hydraulic motor, the direction for driving drill string opposite with drill bit rotates, until drill string and well Frictional force between wall balances the reaction force, so that it is determined that the adjacent drill string length that helicoid hydraulic motor reaction torque is influenced.
Torque T in step c), when being bored by drill bit from bottom skyFromIt obtains surface torque and transmits distribution curve downwards along drill string.
In step d), transmits distribution curve downwards according to surface torque and screw rod reaction torque transmits distribution curve upwards, one As be transmitted as upwards using screw rod reaction torque along drill string zero position as lower limit, with 0.5TFrom~0.8TFromFor the upper limit, determine not by The underground drill stem length L that surface torque and screw rod reaction torque influenceIn。
Further, in step d), surface torque transmits downwards distribution curve and screw rod reaction torque transmits distribution upwards Both curves are there are when intersection point, using the position of point of intersection as lower limit, still with 0.5TFrom~0.8TFromFor the upper limit.
In step e), obtain swinging the length L of drill string by the upper limitOnIt is suitable with surface torque, the angle applied, including drill string Hour hands, the torque rotated counterclockwise, angle.
Further, in step e), the clockwise of ground turntable torque, anti-clockwise torque, angle numerically can be with Identical or not identical, usual clockwise turntable torque, angle can be greater than turntable torque counterclockwise, angle.
In step f), after one section of every slipping drilling, such as every slipping drilling 30m repeats the above steps and adjusts drill string swing fortune The dynamic surface torque applied, angle parameter.
Embodiment 3
Slide drilling is improved as preferred forms of the invention in order to realize the control of slide drilling drill string pendulum motion Rate of penetration overcomes orientation backing pressure phenomenon, swings absolute rating the present invention provides a kind of drill string easy to operate and determines method, As shown in Figure 1, 2, 3, this method includes the following steps:
Step (1): under current drilled wellbore trajectories and drill assembly, analyze 2 frictional resistance situation of underground drill stem, severity by Coefficient of friction size between drill string 2 and pit shaft determines.
Step (2): according to the output torque of helicoid hydraulic motor 1, the adjacent drill string length L that screw rod reaction torque is influenced is determinedUnder, It obtains reaction torque and transmits distribution curve upwards along drill string.
Step (3): torque T when being bored by drill bit from bottom skyFromIt obtains surface torque and transmits distribution curve downwards along drill string.
Step (4): distribution curve S101 is transmitted according to screw rod reaction torque upwards and surface torque transmits downwards distribution curve S102 determines the upper limit S103 that underground drill stem 2 is not influenced by surface torque and screw rod reaction torque and lower limit S104, general with spiral shell The position that bar reaction torque is transmitted as zero along drill string upwards is lower limit, with 0.5TFrom~0.8TFromFor the upper limit.
Step (5): the length L for swinging drill string is determined by upper limit S103OnThe surface torque that is applied with drilling equipment 3, angle Degree, including drill string is clockwise, counterclockwise rotating torque, angle, numerically the two can be identical or not identical, usual up time Turntable torque, the angle of needle can be greater than turntable torque counterclockwise, angle.
Step (6): setting certain slipping drilling interval, such as every slipping drilling 30m, repeats the above steps and adjusts drill string swing Move the surface torque applied, angle parameter.

Claims (7)

1. a kind of determination method of slide drilling drill string swing range, it is characterised in that steps are as follows:
A) the underground drill stem frictional resistance in the case of analytical calculation drilled wellbore trajectories and drill assembly；
B) according to the output torque of helicoid hydraulic motor in drill assembly, the adjacent drill string length L that screw rod reaction torque is influenced is determinedUnder, It obtains reaction torque and transmits distribution curve upwards along drill string；
Torque T when c) being bored by drill bit from bottom skyFromIt obtains surface torque and transmits distribution curve downwards along drill string；
D) it transmits distribution curve downwards according to surface torque and screw rod reaction torque transmits distribution curve upwards, with screw rod reaction torque edge The position that drill string is transmitted as zero upwards is lower limit, with 0.5TFrom~0.8TFromIt is determining not anti-twisted by surface torque and screw rod for the upper limit The underground drill stem length L that square influencesIn；
E) obtain swinging the length L of drill string by the upper limitOnIt is rotated clockwise, counterclockwise with the surface torque applied, including drill string Torque；
F) slipping drilling interval and a)-e that repeats the above steps are set) adjust the surface torque parameter that drill string pendulum motion applies.
2. a kind of determination method of slide drilling drill string swing range according to claim 1, it is characterised in that: step a) In, by current drilled wellbore trajectories and drill assembly, the frictional resistance of underground drill stem is calculated using tubular buckling model analysis, point Coefficient of friction can be full well section average value between drill string and the borehole wall when analysis, be also possible to the average value of point well section.
3. a kind of determination method of slide drilling drill string swing range according to claim 1, it is characterised in that: step b) In, underground helicoid hydraulic motor output torque reacts to the phase connecting with underground helicoid hydraulic motor by the contact of drill bit and ground interlayer Above adjacent drill string, the direction for driving drill string opposite with drill bit rotates, until the frictional force between drill string and the borehole wall balances this instead Active force, so that it is determined that the adjacent drill string length that helicoid hydraulic motor reaction torque is influenced.
4. a kind of determination method of slide drilling drill string swing range according to claim 1, it is characterised in that: step d) In, surface torque transmits downwards distribution curve and screw rod reaction torque transmits both distribution curves there are when intersection point, with intersection point upwards The position at place is lower limit, still with 0.5TFrom~0.8TFromFor the upper limit.
5. a kind of determination method of slide drilling drill string swing range according to claim 1, it is characterised in that: step e) In, obtain swinging the length L of drill string by the upper limitOnIt is revolved clockwise, counterclockwise with the surface torque and angle applied, including drill string The torque and angle turned.
6. a kind of determination method of slide drilling drill string swing range according to claim 5, it is characterised in that: step e) In, the clockwise of ground turntable torque, anti-clockwise torque and angle numerically can be identical or not identical, and clockwise turn Disk torque, angle are greater than turntable torque and angle counterclockwise.
7. a kind of determination method of slide drilling drill string swing range according to claim 6, it is characterised in that: step f) In, 30m is divided between slipping drilling, every slipping drilling 30m, then repeat the above steps a)-e) adjustment drill string pendulum motion application Surface torque and angle parameter.
CN201810736248.2A 2018-07-06 2018-07-06 Method for determining swing range of sliding drilling drill column Pending CN109025801A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810736248.2A CN109025801A (en) 2018-07-06 2018-07-06 Method for determining swing range of sliding drilling drill column

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810736248.2A CN109025801A (en) 2018-07-06 2018-07-06 Method for determining swing range of sliding drilling drill column

Publications (1)

Publication Number Publication Date
CN109025801A true CN109025801A (en) 2018-12-18

Family

ID=64641419

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810736248.2A Pending CN109025801A (en) 2018-07-06 2018-07-06 Method for determining swing range of sliding drilling drill column

Country Status (1)

Country Link
CN (1) CN109025801A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110457866A (en) * 2019-08-31 2019-11-15 中国石油集团川庆钻探工程有限公司 Friction resistance prediction method and friction resistance reduction method in whole sliding drilling process
CN110529099A (en) * 2019-08-31 2019-12-03 中国石油集团川庆钻探工程有限公司 Calculation method for accumulated static friction resistance in static friction area and method for reducing friction resistance
CN113107351A (en) * 2020-01-11 2021-07-13 中石化石油工程技术服务有限公司 Top drive main shaft control method for improving sliding guide drilling efficiency
CN114016915A (en) * 2021-11-05 2022-02-08 中国石油天然气集团有限公司 Method for determining ground torque swing range and drilling method for drilling by torsional swing and sliding of drill string

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101466911A (en) * 2006-05-05 2009-06-24 国民油井华高有限合伙公司 Method and apparatus for oscillating a drill string
US7810584B2 (en) * 2006-09-20 2010-10-12 Smith International, Inc. Method of directional drilling with steerable drilling motor
CN106050216A (en) * 2016-06-02 2016-10-26 中国石油天然气集团公司 Top drive twisting drag reduction method and device capable of improving sliding drilling efficiency
CN106285473A (en) * 2016-08-19 2017-01-04 中国石油天然气股份有限公司 Control optimization method and device for horizontal well drilling friction resistance
CN106401467A (en) * 2016-12-12 2017-02-15 中国石油集团川庆钻探工程有限公司 Sliding drilling method
CN106437513A (en) * 2016-09-26 2017-02-22 中国石油大学(华东) Complex structural well friction resistance reduction and power drill tool face adjusting method
CN206329273U (en) * 2016-12-12 2017-07-14 中国石油集团川庆钻探工程有限公司 Sliding drilling system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101466911A (en) * 2006-05-05 2009-06-24 国民油井华高有限合伙公司 Method and apparatus for oscillating a drill string
US7810584B2 (en) * 2006-09-20 2010-10-12 Smith International, Inc. Method of directional drilling with steerable drilling motor
CN106050216A (en) * 2016-06-02 2016-10-26 中国石油天然气集团公司 Top drive twisting drag reduction method and device capable of improving sliding drilling efficiency
CN106285473A (en) * 2016-08-19 2017-01-04 中国石油天然气股份有限公司 Control optimization method and device for horizontal well drilling friction resistance
CN106437513A (en) * 2016-09-26 2017-02-22 中国石油大学(华东) Complex structural well friction resistance reduction and power drill tool face adjusting method
CN106401467A (en) * 2016-12-12 2017-02-15 中国石油集团川庆钻探工程有限公司 Sliding drilling method
CN206329273U (en) * 2016-12-12 2017-07-14 中国石油集团川庆钻探工程有限公司 Sliding drilling system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
李乾等: "滑动钻进中顶驱扭摆减阻控制技术研究", 《石油机械》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110457866A (en) * 2019-08-31 2019-11-15 中国石油集团川庆钻探工程有限公司 Friction resistance prediction method and friction resistance reduction method in whole sliding drilling process
CN110529099A (en) * 2019-08-31 2019-12-03 中国石油集团川庆钻探工程有限公司 Calculation method for accumulated static friction resistance in static friction area and method for reducing friction resistance
CN110529099B (en) * 2019-08-31 2023-11-14 中国石油集团川庆钻探工程有限公司 Method for calculating accumulated static friction resistance of static friction area and method for reducing friction resistance
CN113107351A (en) * 2020-01-11 2021-07-13 中石化石油工程技术服务有限公司 Top drive main shaft control method for improving sliding guide drilling efficiency
CN113107351B (en) * 2020-01-11 2023-11-28 中石化石油工程技术服务有限公司 Top drive main shaft control method for improving sliding guide drilling efficiency
CN114016915A (en) * 2021-11-05 2022-02-08 中国石油天然气集团有限公司 Method for determining ground torque swing range and drilling method for drilling by torsional swing and sliding of drill string

Similar Documents

Publication Publication Date Title
CN109025801A (en) Method for determining swing range of sliding drilling drill column
RU2642898C2 (en) Automation of well drilling with use of energy profile of and wellbore form
CN110500034B (en) Method for establishing neural network model, determining torsional pendulum drill string parameters and directionally drilling
US10125598B2 (en) Optimized rotation of a drill string during sliding mode of directional drilling
AU2013363641B2 (en) Automated directional drilling system and method using steerable motors
CA2509347C (en) Method of and apparatus for directional drilling
CN106401467B (en) Sliding drilling method
US10480249B2 (en) Hybrid mechanical-laser drilling equipment
US20130112484A1 (en) Eccentric sleeve for directional drilling systems
NO20160224A1 (en) Control of drill path using smoothing
CN104989370A (en) Sliding guide drilling closed-loop control system and sliding guide drilling closed-loop control method
Menand Borehole tortuosity effect on maximum horizontal drilling length based on advanced buckling modeling
CN111810113A (en) Rotary steering automatic drilling method based on deep learning
Tian et al. Dynamic characteristics and test analysis of a new drilling downhole tool with anti-stick-slip features
Zhang et al. Overview of rotary steerable system and its control methods
Losoya et al. Real-time rate of penetration optimization of an autonomous lab-scale rig using a scheduled-gain PID controller and mechanical specific energy
Hareland et al. The field tests for measurement of downhole weight on bit (DWOB) and the calibration of a real-time DWOB Model
CN206329273U (en) Sliding drilling system
Tian et al. Study on the mechanism of drilling speed increase considering the axial vibration of drill string
CN110529099B (en) Method for calculating accumulated static friction resistance of static friction area and method for reducing friction resistance
CN110457866B (en) Friction resistance prediction method and friction resistance reduction method in whole sliding drilling process
Zou et al. Drag‐Reduction Performance Evaluation of Controllable Hybrid Steering Drilling System
Zhao et al. Optimizating drilling operating parameters with real-time surveillance and mitigation system of downhole vibration in deep wells
Wang et al. Theoretical study of tool-face disorientation mechanisms during slide drilling and correction by surface-rotation pulses
CN105064917A (en) Rotary guide system and control method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20181218