CN105840173A - Drilling corrector and method - Google Patents
Drilling corrector and method Download PDFInfo
- Publication number
- CN105840173A CN105840173A CN201610331894.1A CN201610331894A CN105840173A CN 105840173 A CN105840173 A CN 105840173A CN 201610331894 A CN201610331894 A CN 201610331894A CN 105840173 A CN105840173 A CN 105840173A
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- CN
- China
- Prior art keywords
- drilling
- pressure sensor
- drill bit
- collimater
- chip microcomputer
- 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.)
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- 238000005553 drilling Methods 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000011435 rock Substances 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 229910052721 tungsten Inorganic materials 0.000 claims description 18
- 239000010937 tungsten Substances 0.000 claims description 18
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 16
- 230000035515 penetration Effects 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012937 correction Methods 0.000 description 10
- 231100000241 scar Toxicity 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000013500 data storage Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 210000000352 storage cell Anatomy 0.000 description 3
- 238000013517 stratification Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 150000003657 tungsten Chemical class 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Earth Drilling (AREA)
Abstract
The invention relates to a drilling corrector and a method. The technical scheme provided by the invention is that the drilling corrector comprises a drilling rod, a drilling bit, a collimator, a first pressure sensor, a second pressure sensor and a singlechip microcomputer, wherein the drilling bit and the drilling rod are in threaded connection; the collimator is arranged at the lower end of the drilling bit; the first pressure sensor, and the second pressure sensor and the singlechip microcomputer are arranged on the side wall of the drilling bit; the singlechip microcomputer is connected with the first pressure sensor, the second pressure sensor and the collimator. The drilling corrector and the method have the beneficial effects that the drilling corrector is simple in structure and is low in cost; the drilling bit can automatically regulate the descending speed according to the hardness of different rock strata and effectively corrects the drilling, thereby reducing taking times of the drilling bit, guaranteeing one-time success rate of drilling, reducing the labor intensity of workers and reducing the consumption of materials; a high safety coefficient is obtained.
Description
Technical field
The present invention relates to drilling equipment technical field, particularly to a kind of Well drilling corrector and method.
Background technology
Drilling well is to utilize plant equipment, and stratum is drilled to the engineering with the cylindrical orifice of certain depth.Drilling well is generally divided into exploration drilling, hydrogeology drilling, well or engineering geology drilling well, oil drilling, coal driling, building ground drilling well etc. by purposes.Requisite fractured rock instrument when drill bit is drilling well, the quality of drill bit directly affects the efficiency of drilling well, when running into hard geological stratification, creep into and hole deviation easily occurs, need to take out drill bit again to creep into, the most not only waste substantial amounts of manpower and materials, and extend the production cycle, and the gear wheel installed on drill bit easily causes damage, causes being substantially increased of production cost.
Chinese patent literature Publication No. 102486083A, patent name is " Well drilling corrector ", including carcass, carcass be shaped as cylindrical shape；Scar lamellar body ring, being circumferentially positioned on the wall of carcass, each scar lamellar body ring includes at least 2 scar lamellar bodies, there is the space being parallel to carcass axis between each scar lamellar body, the transverse cross-sectional profile line of each scar lamellar body outwards gradually extends from sidewall, and outline line is most advanced and sophisticated towards drilling direction；Alloy bores tooth, and alloy bores tooth and is embedded in scar lamellar body and exposes towards the wall of a borehole direction.This patent can effectively prevent the interior negative pressure suction to the wall of a borehole of holing, and further ensures the most underlying of petroleum casing pipe, but does not ensures that when running into hard geological stratification, still is able to keep creeping on request, for mechanical operation pattern.
nullChinese patent literature Publication No. 204609871U，Patent name is " pre-examining system is revised on real-time drilling stratum "，Including signal gathering unit、Signal processing unit、Real time data inspecting unit、Data storage cell、First data correction unit and the second data correction unit，Drilling well parameters signal is acquired and sends signal processing unit to by described signal gathering unit，Real-time monitoring unit is sent to through the signal of signal processing unit processes，Described real-time monitoring unit transmits a signal to the second data correction unit and data storage cell respectively，Described data storage cell transmits a signal to the first data correction unit and carries out data correction，Revised data are sent to the second data correction unit by the first data correction unit and process，Signal after described second data correction unit will process sends drill control unit to.This utility model realizes real-time estimate and correction, reduces drilling failure and occurs, it is to avoid beat disused well, useless well, promotes drilling success.It there is problems of, and is not to be mainly used in the problem that hole deviation easily occurs of creeping into, but for secondary data correction, do not measure the well track crept in real time, but complete to judge by analyzing and processing, and its structure is complicated, relatively costly.
Summary of the invention
The purpose of the present invention is aiming at the drawbacks described above that prior art exists, a kind of Well drilling corrector and method are provided, aim to solve the problem that time existing drilling process runs into hard geological stratification, creep into and hole deviation easily occurs, need to take out drill bit and again creep into, waste substantial amounts of manpower and materials, extending the production cycle, the gear wheel that drill bit is installed easily causes damage, causes the problem being substantially increased of production cost, and simple in construction, with low cost.
A kind of Well drilling corrector that the present invention mentions, its technical scheme is to include drilling rod (1), drill bit (2), collimater (3), the first pressure sensor (4), the second pressure sensor (5), a/d converter (6), comparator (7), single-chip microcomputer (8), described drill bit (2) is connected with drilling rod (1) spiral, the lower end of drill bit (2) is provided with collimater (3), and the sidewall of drill bit (2) is provided with the first pressure sensor (4) and the second pressure sensor (5) and single-chip microcomputer (8)；Described first pressure sensor (4), the second pressure sensor (5), collimater (3) are connected with single-chip microcomputer (8).
The outside surfacing respectively of above-mentioned collimater (3), the first pressure sensor (4) and the second pressure sensor (5) has tungsten steel block, described tungsten steel block (9) uses negative tiltedly edge mode heap to be welded in lower end pyramidal portion and the upper end cylindrical portion of drill bit (2), and the profile of tungsten steel block uses hexagonal structure.
The well track path that above-mentioned collimater (3) is crept into for providing measurement, the drilling pressure detected is directly inputted in single-chip microcomputer (8) by the first pressure sensor (4) and the second pressure sensor (5), numerical value after first pressure sensor (4) and the second pressure sensor (5) are changed by single-chip microcomputer (8) by a/d converter (6) compares, two-value difference is the biggest, the drilling speed of drill bit is the slowest, fully creeps into hard rock stratum；When the difference of two-value is in allowed band, the drilling speed of drill bit improves, and creeps into according to the deflecting control direction that collimater (3) is measured, it is to avoid the situation of drilling trace deviation borehole axis occur.
The using method of a kind of Well drilling corrector that the present invention mentions, comprises the following steps:
The first step, drill bit (2) is arranged on the lower end of drilling rod (1), when creeping into drill bit (2) contact rock and under certain the pressure of the drill fractured rock formed well；
Second step, in drilling process, collimater (3) is measured the well track crept into, the first pressure sensor (4) and the second pressure sensor (5) in real time and the drilling pressure detected is transferred to single-chip microcomputer (8)；
3rd step, the relatively size of the force value of the first pressure sensor (4) and the second pressure sensor (5), difference is the biggest, the rate of penetration of drill bit (2) is the slowest, and the hardness of rock stratum is the biggest herein, and the drilling pressure crept into is adjusted, when difference is in normal range (NR), the rate of penetration of drill bit (2) improves, and reaches to control the purpose of drilling direction, it is to avoid occur creeping into hole deviation.
The invention has the beneficial effects as follows: this Well drilling corrector simple in construction, with low cost, drill bit can be automatically adjusted decrease speed according to the hardness of different rock-layers, and effectively revise creeping into, decrease drill bit and take out number of times, it is ensured that creep into one-time success rate, reduce the labour intensity of workman, decreasing again the consumption of material, safety coefficient is high；It addition, tungsten steel block uses negative tiltedly edge mode heap to be welded in lower end pyramidal portion and the upper end cylindrical portion of drill bit, and the profile of tungsten steel block uses hexagonal structure, and it is wear-resistant, and effect is preferable.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the most attached tungsten steel block of the present invention；
Accompanying drawing 2 is the appearance schematic diagram of the drill bit of the most attached tungsten steel block；
In upper figure: drilling rod 1, drill bit 2, collimater the 3, first pressure sensor the 4, second pressure sensor 5, a/d converter 6, comparator 7, single-chip microcomputer 8, tungsten steel block 9.
Detailed description of the invention
In conjunction with accompanying drawing 1-2, the invention will be further described:
A kind of Well drilling corrector that the present invention mentions, its technical scheme is to include drilling rod 1, drill bit 2, collimater the 3, first pressure sensor the 4, second pressure sensor 5, a/d converter 6, comparator 7, single-chip microcomputer 8, described drill bit 2 is connected with drilling rod 1 spiral, the lower end of drill bit 2 is provided with collimater 3, and the sidewall of drill bit 2 is provided with the first pressure sensor 4 and the second pressure sensor 5 and single-chip microcomputer 8；Described first pressure sensor the 4, second pressure sensor 5, collimater 3 are connected with single-chip microcomputer 8.
Wherein, collimater 3, the outside surfacing respectively of the first pressure sensor 4 and the second pressure sensor 5 has tungsten steel block 9, described tungsten steel block 9 uses negative tiltedly edge mode heap to be welded in lower end pyramidal portion and the upper end cylindrical portion of drill bit 2, junction between lower end pyramidal portion and upper end cylindrical portion is not provided with tungsten steel block, the profile of this tungsten steel block uses hexagonal, length 10mm, diagonal angle broadside 3mm, tungsten steel block is effectively protected collimater 3, first pressure sensor 4, second pressure sensor 5, the anti-wear performance of single-chip microcomputer 6, when creeping into, drill bit fractured rock forms well, abrasion is inevitable, broken landwaste can produce abrasion to instrument, so, should be wear control in bottom line；Additionally; owing to different welding-on modes has certain impact to the use of drill bit; the most simply play the effect preventing abrasion; use not as broken rock; therefore; tungsten steel block outside collimater the 3, first pressure sensor the 4, second pressure sensor 5, have employed negative oblique edge mode when built-up welding, the problem having reached to increase the service life and play protection outside diameter abrasion；And the formula of this tungsten steel block is: the binding metal 15 parts being made up of metal Co 95% and metal Cr 5%, rare earth metal Ce 0.3 part, inhibitor ramet 1 part and tungsten carbide 80 parts composition, above-mentioned form by weight, more preferably, service life is longer for effect that it is wear-resistant.
Additionally, the well track path that collimater 3 is crept into for providing measurement, the drilling pressure detected is directly inputted in single-chip microcomputer 8 by the first pressure sensor 4 and the second pressure sensor 5, numerical value after first pressure sensor 4 and the second pressure sensor 5 are changed by single-chip microcomputer 8 by a/d converter 6 compares, two-value difference is the biggest, the drilling speed of drill bit is the slowest, fully creeps into hard rock stratum；When the difference of two-value is in allowed band, the drilling speed of drill bit improves, and creeps into according to the deflecting control direction that collimater 3 is measured, it is to avoid the situation of drilling trace deviation borehole axis occur.
The single-chip microcomputer that the present invention uses is: avr single-chip microcomputer, the a/d converter of this series monolithic, and the analog signal that can directly pressure sensor transmission be come is AD converted.Avr single-chip microcomputer uses 5v power supply to power, and employs 7805 at power unit, and the voltage transformation of battery becomes the voltage that single-chip microcomputer can use, the most also by stable for supply voltage at 5v.
Single-chip microcomputer accepts the analog signal that two pressure sensors are sent here, is converted into the AD value of correspondence, compares the two digital value in single-chip microcomputer, adjusts rate of penetration or angle according to fiducial value.
The signal of collimater is directly inputted to single-chip microcomputer equally, and single-chip microcomputer is converted into data signal the analog signal of collimater, makes corresponding adjustment according to this digital value.
Pressure sensor and collimater can select 4 20 milliamperes of output types, become the acceptable signal of single-chip microcomputer through circuit transformations, or directly select 0 5v output type, are directly connected on single-chip microcomputer.
The reliability of precision and work in order to improve conversion, the external crystal oscillator of single-chip microcomputer, in SCM program, enable house dog, can further improve reliability.
The using method of a kind of Well drilling corrector that the present invention mentions, comprises the following steps:
The first step, drill bit 2 is arranged on the lower end of drilling rod 1, when creeping into drill bit 2 contact rock and under certain the pressure of the drill fractured rock formed well；
Second step, in drilling process, collimater 3 measures the well track crept in real time, and the drilling pressure detected is transferred to single-chip microcomputer 8 by the first pressure sensor 4 and the second pressure sensor 5；
3rd step, the relatively size of the force value of the first pressure sensor 4 and the second pressure sensor 5, difference is the biggest, the rate of penetration of drill bit 2 is the slowest, and the hardness of rock stratum is the biggest herein, and the drilling pressure crept into is adjusted, when difference is in normal range (NR), the rate of penetration of drill bit 2 improves, and reaches to control the purpose of drilling direction, it is to avoid occur creeping into hole deviation.
The above, be only the part preferred embodiment of the present invention, and any those of ordinary skill in the art all technical schemes possibly also with above-mentioned elaboration are revised or are revised as the technical scheme of equivalent.Therefore, any simple modification carried out according to technical scheme or substitute equivalents, belong to the greatest extent the scope of protection of present invention.
Claims (4)
1. a Well drilling corrector, it is characterized in that: include drilling rod (1), drill bit (2), collimater (3), the first pressure sensor (4), the second pressure sensor (5), a/d converter (6), comparator (7), single-chip microcomputer (8), described drill bit (2) is connected with drilling rod (1) spiral, the lower end of drill bit (2) is provided with collimater (3), and the sidewall of drill bit (2) is provided with the first pressure sensor (4) and the second pressure sensor (5) and single-chip microcomputer (8)；Described first pressure sensor (4), the second pressure sensor (5), collimater (3) are connected with single-chip microcomputer (8).
Well drilling corrector the most according to claim 1, it is characterized in that: the outside surfacing respectively of described collimater (3), the first pressure sensor (4) and the second pressure sensor (5) has tungsten steel block (9), described tungsten steel block (9) uses negative tiltedly edge mode heap to be welded in lower end pyramidal portion and the upper end cylindrical portion of drill bit (2), and the profile of tungsten steel block uses hexagonal structure.
Well drilling corrector the most according to claim 1, it is characterized in that: the well track path that described collimater (3) is crept into for providing measurement, the drilling pressure detected is directly inputted in single-chip microcomputer (8) by the first pressure sensor (4) and the second pressure sensor (5), numerical value after first pressure sensor (4) and the second pressure sensor (5) are changed by single-chip microcomputer (8) by a/d converter (6) compares, two-value difference is the biggest, the drilling speed of drill bit is the slowest, fully creeps into hard rock stratum；When the difference of two-value is in allowed band, the drilling speed of drill bit improves, and creeps into according to the deflecting control direction that collimater (3) is measured, it is to avoid the situation of drilling trace deviation borehole axis occur.
4. a using method for the Well drilling corrector as according to any one of claim 1-3, is characterized in that comprising the following steps:
The first step, drill bit (2) is arranged on the lower end of drilling rod (1), when creeping into drill bit (2) contact rock and under certain the pressure of the drill fractured rock formed well；
Second step, in drilling process, collimater (3) is measured the well track crept into, the first pressure sensor (4) and the second pressure sensor (5) in real time and the drilling pressure detected is transferred to single-chip microcomputer (8)；
3rd step, the relatively size of the force value of the first pressure sensor (4) and the second pressure sensor (5), difference is the biggest, the rate of penetration of drill bit (2) is the slowest, and the hardness of rock stratum is the biggest herein, and the drilling pressure crept into is adjusted, when difference is in normal range (NR), the rate of penetration of drill bit (2) improves, and reaches to control the purpose of drilling direction, it is to avoid occur creeping into hole deviation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610331894.1A CN105840173B (en) | 2016-05-18 | 2016-05-18 | Drilling corrector and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610331894.1A CN105840173B (en) | 2016-05-18 | 2016-05-18 | Drilling corrector and method |
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| Publication Number | Publication Date |
|---|---|
| CN105840173A true CN105840173A (en) | 2016-08-10 |
| CN105840173B CN105840173B (en) | 2023-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610331894.1A Active CN105840173B (en) | 2016-05-18 | 2016-05-18 | Drilling corrector and method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4733733A (en) * | 1986-02-11 | 1988-03-29 | Nl Industries, Inc. | Method of controlling the direction of a drill bit in a borehole |
| CN101380698A (en) * | 2008-10-09 | 2009-03-11 | 苏州江钻新锐硬质合金有限公司 | Novel tubular hard surfacing material |
| CN102486083A (en) * | 2010-12-06 | 2012-06-06 | 淮南矿业(集团)有限责任公司 | Well drilling corrector |
| CN104727815A (en) * | 2015-03-15 | 2015-06-24 | 河北百冠钻井设备有限公司 | Real-time well drilling formation correction method and device |
-
2016
- 2016-05-18 CN CN201610331894.1A patent/CN105840173B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4733733A (en) * | 1986-02-11 | 1988-03-29 | Nl Industries, Inc. | Method of controlling the direction of a drill bit in a borehole |
| CN101380698A (en) * | 2008-10-09 | 2009-03-11 | 苏州江钻新锐硬质合金有限公司 | Novel tubular hard surfacing material |
| CN102486083A (en) * | 2010-12-06 | 2012-06-06 | 淮南矿业(集团)有限责任公司 | Well drilling corrector |
| CN104727815A (en) * | 2015-03-15 | 2015-06-24 | 河北百冠钻井设备有限公司 | Real-time well drilling formation correction method and device |
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| Publication number | Publication date |
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| CN105840173B (en) | 2023-09-08 |
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Effective date of registration: 20230809 Address after: 257000 No. 15 Heping Road, Dongying District, Dongying City, Shandong Province Applicant after: Training center of Sinopec Shengli Petroleum Engineering Co.,Ltd. Address before: 257000 Training School of Shengli Oilfield Yellow River Drilling Company No. 5, Dong'an Town, Kenli County, Dongying City, Shandong Province Applicant before: Du Shudong |
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