WO1992014908A1 - Methode de surveillance automatique de l'etat vibratoire d'une garniture de forage - Google Patents
Methode de surveillance automatique de l'etat vibratoire d'une garniture de forage Download PDFInfo
- Publication number
- WO1992014908A1 WO1992014908A1 PCT/FR1992/000169 FR9200169W WO9214908A1 WO 1992014908 A1 WO1992014908 A1 WO 1992014908A1 FR 9200169 W FR9200169 W FR 9200169W WO 9214908 A1 WO9214908 A1 WO 9214908A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- spectrum
- sensors
- real
- level
- ratio
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000012544 monitoring process Methods 0.000 title claims abstract description 9
- 238000001228 spectrum Methods 0.000 claims abstract description 37
- 230000000007 visual effect Effects 0.000 claims abstract description 5
- 238000005553 drilling Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 4
- 230000011664 signaling Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 description 8
- 230000001133 acceleration Effects 0.000 description 5
- 230000008034 disappearance Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001131 transforming effect Effects 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
- E21B47/00—Survey of boreholes or wells
Definitions
- the present invention relates to a method for automatically monitoring the vibrational state of a drill string.
- the vibrational information emanating from these sensors conceals an obvious complexity for a non-specialist wishing to use it. Indeed, traditional spectrum analyzers generally only produce curves whose analysis is not immediate. However, the master driller must instantly know the vibratory behavior of its lining, and in particular a possible instability of said behavior in order to be able to adjust the various drilling parameters as quickly as possible, namely the weight on the tool, the speed of rotation as well as the mud flow. These instabilities occur due to the fact that the lining constitutes a mechanical assembly having its own modes which is capable of responding to the various mechanical stresses occurring during drilling, such as the work of the tool on the rock and the interactions between the well and said lining, this being true both axially as well as laterally or in torsion.
- the present invention therefore relates to a method for automatically monitoring the vibrational state of a drill string which makes it possible to use the measurements provided by a set of sensors located at the top of a drill string, in particular by warning a user in a simple way of possible instabilities at the level of these measurements.
- the invention proposes a method for automatically monitoring the vibrational state of a drill string provided with sensors, said method comprising the following steps:
- FIG. 2 is a flowchart describing certain stages of signaling to the user.
- the monitoring system comprises a battery of programmable filters 8 as well as RMS converters 10 or anti-aliasing filters 12 making it possible to process the signals coming from sensors 14 arranged on the drill string 16; the data coming from the converters 10 are grouped together at the level of a multiplexer 18 then transmitted to an analog-digital converter 20 and finally to one or several processors 22.
- the microprocessor (s) 22 are optionally assisted by one or more signal processors 24 and are coupled to an interface 26; the user can transmit information to the processor (s) 22 by means of a keyboard 28 and a communication link 30.
- the master driller determines in the first case a state which he considers adequate for effective drilling, possibly assisted in this by a vibration specialist in the field of drilling. This state corresponds to different vibration measurements provided by the sensors, these measurements being processed in the manner described below so as to obtain reference spectra relating to each of the sensors.
- the processing of the vibration measurements can be carried out either roughly, that is to say that they are sampled at a low frequency, for example 0.1 Hz, and only their effective value is retained, or more fine, namely that they are sampled at a frequency greater than 400 Hz after careful anti-aliasing filtering.
- simulation software to which mechanical information is supplied on the drill string produces the spectra relating to each of the sensors, the simulation software possibly being integrated into the system itself.
- the information thus produced is introduced at the level of the processor or processors by means of a communication interface, said processor then only working by comparison with these reference elements.
- the vibration measurements provided by the sensors are processed in the same manner as for obtaining the reference spectrum, said manner being described above; in the example illustrated, the quantities measured by the sensors are respectively the dynamic component of the hook force (FCD), the longitudinal acceleration (AL), the dynamic component of the torque (CD), the torsional acceleration (AT ) and bending acceleration (AF).
- FCD dynamic component of the hook force
- AL longitudinal acceleration
- CD dynamic component of the torque
- AT torsional acceleration
- AF bending acceleration
- This comparison can be made either at the level of the effective values only, or at the level of the entire spectrum.
- the processor compares said value with that of reference previously determined, this comparison being carried out in the form of the ratio of the two values, which makes it possible to dispense with a calibration of the always delicate sensors.
- the master driller If the level of at least one of them exceeds 100 times its reference level, the master driller is alerted to the existence of a very unstable situation and must remedy it as soon as possible.
- the processing at the spectra level is of the same type. Indeed, the spectra developed on each measurement by the processor are compared lines to lines with those of reference. As for the effective values, the criteria corresponding to ratios respectively 10 and 100 times larger than the reference are retained in the illustrated example. However, in either case, the values 10 and 100 are arbitrary and are subject to change.
- the present invention makes it possible, in a simple manner, to signal to the master-driller the level of instability of the various quantities measured by the sensors.
- a set of warning lights is used, similar to conventional lights intended to regulate road traffic, as well as various auditory signals.
- a green light indicates to the master driller the existence of a stable situation
- an orange light supplemented by a disengageable discontinuous sound signal warns him of a relative instability
- a red light supplemented by a sound signal continues the alert of high instability.
- Figures 3a, 3b and 3c are explanatory curves of the present invention.
- the curves 3a and 3b are spectra obtained for the same sensor, one 3A being a reference spectrum and the other 3B being an instantaneous spectrum corresponding to a real situation, said spectra extending over a frequency range of 0 , 5 to 50 Hz.
- the curve 3C represents the ratio of the instantaneous spectrum to the real spectrum over the preceding frequency domain. From the different values of this report, the device is able to signal to the user if it is necessary to make, if necessary, a modification to the different drilling parameters.
- this monitoring system can be supplemented by numerous algorithms allowing it to significantly expand its possibilities. Thus, it can detect a possible disappearance of the vibrations, corresponding respectively to 1/10 ratios between the real spectrum and the reference spectrum for a relative disappearance and 1/100 for a notable disappearance. The disappearance of vibrations is just as worrying as the increase in amplitudes, because it reflects, among other things, the collapse of the well above the tool.
- the system object of the present invention allows the processing of data transmitted from the bottom by an appropriate tool and transmitted to the surface by any measurement method during drilling.
- the master driller can, if necessary, make the modifications which seem to him necessary in terms of the various drilling parameters, such as the weight on the tool, the speed of rotation and the flow of mud.
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)
- Geophysics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Earth Drilling (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Percussive Tools And Related Accessories (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Spray Control Apparatus (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
- Automatic Control Of Machine Tools (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP92906888A EP0526619B1 (fr) | 1991-02-25 | 1992-02-25 | Methode de surveillance automatique de l'etat vibratoire d'une garniture de forage |
DE69204396T DE69204396T2 (de) | 1991-02-25 | 1992-02-25 | Verfahren zum automatischen überwachen der vibrationen eines bohrgestänges. |
JP50654192A JP3194744B2 (ja) | 1991-02-25 | 1992-02-25 | 掘削機ストリングの振動状態の自動監視方法 |
CA002080483A CA2080483C (fr) | 1991-02-25 | 1992-02-25 | Methode de surveillance automatique de l'etat vibratoire d'une garniture de forage |
NO924117A NO305999B1 (no) | 1991-02-25 | 1992-10-23 | Fremgangsmåte for automatisk overvåkning av vibrasjonstilstanden hos en borestreng |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9102201A FR2673237B1 (fr) | 1991-02-25 | 1991-02-25 | Methode de surveillance automatique de l'etat vibratoire d'une garniture de forage. |
FR91/02201 | 1991-02-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1992014908A1 true WO1992014908A1 (fr) | 1992-09-03 |
Family
ID=9410040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1992/000169 WO1992014908A1 (fr) | 1991-02-25 | 1992-02-25 | Methode de surveillance automatique de l'etat vibratoire d'une garniture de forage |
Country Status (12)
Country | Link |
---|---|
US (1) | US5273122A (fr) |
EP (1) | EP0526619B1 (fr) |
JP (1) | JP3194744B2 (fr) |
AT (1) | ATE127197T1 (fr) |
CA (1) | CA2080483C (fr) |
DE (1) | DE69204396T2 (fr) |
DK (1) | DK0526619T3 (fr) |
ES (1) | ES2079862T3 (fr) |
FR (1) | FR2673237B1 (fr) |
NO (1) | NO305999B1 (fr) |
OA (1) | OA09619A (fr) |
WO (1) | WO1992014908A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2274667A (en) * | 1993-02-01 | 1994-08-03 | Baker Hughes Inc | Methods for analysis of drillstring vibration using torsionally induced frequency modulation |
GB2275283A (en) * | 1993-02-19 | 1994-08-24 | Baker Hughes Inc | Detection of bit whirl |
WO1994019579A1 (fr) * | 1993-02-18 | 1994-09-01 | Baker Hughes Incorporated | Procede et appareil de detection d'un risque de coincement d'un train de tiges de forage |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9620679D0 (en) * | 1996-10-04 | 1996-11-20 | Halliburton Co | Method and apparatus for sensing and displaying torsional vibration |
GB9824248D0 (en) | 1998-11-06 | 1998-12-30 | Camco Int Uk Ltd | Methods and apparatus for detecting torsional vibration in a downhole assembly |
US7168506B2 (en) * | 2004-04-14 | 2007-01-30 | Reedhycalog, L.P. | On-bit, analog multiplexer for transmission of multi-channel drilling information |
GB0419588D0 (en) * | 2004-09-03 | 2004-10-06 | Virtual Well Engineer Ltd | "Design and control of oil well formation" |
US7357030B2 (en) * | 2004-11-11 | 2008-04-15 | Battelle Energy Alliance, Llc | Apparatus and methods for determining at least one characteristic of a proximate environment |
US20100078216A1 (en) * | 2008-09-25 | 2010-04-01 | Baker Hughes Incorporated | Downhole vibration monitoring for reaming tools |
US20100258352A1 (en) * | 2009-04-08 | 2010-10-14 | King Saud University | System And Method For Drill String Vibration Control |
CA2723340C (fr) * | 2009-12-02 | 2019-11-12 | Technological Resources Pty Limited | Systeme et procede pour le forage autonome de trous dans le sol |
US8695692B2 (en) * | 2011-07-29 | 2014-04-15 | Baker Hughes Incorporated | Downhole condition alert system for a drill operator |
NL2010033C2 (en) * | 2012-12-20 | 2014-06-23 | Cofely Experts B V | A method of and a device for determining operational parameters of a computational model of borehole equipment, an electronic controller and borehole equipment. |
US9644440B2 (en) | 2013-10-21 | 2017-05-09 | Laguna Oil Tools, Llc | Systems and methods for producing forced axial vibration of a drillstring |
US9458701B2 (en) * | 2014-02-13 | 2016-10-04 | Conocophillips Company | Vocal drilling alarm notification |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE28436E (en) * | 1970-12-28 | 1975-06-03 | Method op determining downhole occurences in well drilling using rotary torque oscillation measurements | |
US4150568A (en) * | 1978-03-28 | 1979-04-24 | General Electric Company | Apparatus and method for down hole vibration spectrum analysis |
EP0336477A1 (fr) * | 1988-04-05 | 1989-10-11 | Services Petroliers Schlumberger | Procédé pour déterminer l'usure d'un trépan de forage |
GB2216661A (en) * | 1988-03-11 | 1989-10-11 | Exploration Logging Inc | Downhole vibration monitoring of a drillstring |
WO1990012195A1 (fr) * | 1989-03-31 | 1990-10-18 | Societe Nationale Elf Aquitaine (Production) | Dispositif et procede de contrôle d'un forage par analyse des vibrations |
EP0409304A1 (fr) * | 1989-07-19 | 1991-01-23 | Services Petroliers Schlumberger | Méthode pour la surveillance de forage d'un sondage |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3703096A (en) * | 1970-12-28 | 1972-11-21 | Chevron Res | Method of determining downhole occurrences in well drilling using rotary torque oscillation measurements |
US4637479A (en) * | 1985-05-31 | 1987-01-20 | Schlumberger Technology Corporation | Methods and apparatus for controlled directional drilling of boreholes |
JPH07103781B2 (ja) * | 1990-04-19 | 1995-11-08 | 株式会社小松製作所 | 小口径管地中掘進機の操作方法 |
-
1991
- 1991-02-25 FR FR9102201A patent/FR2673237B1/fr not_active Expired - Lifetime
-
1992
- 1992-02-25 JP JP50654192A patent/JP3194744B2/ja not_active Expired - Lifetime
- 1992-02-25 US US07/937,842 patent/US5273122A/en not_active Expired - Lifetime
- 1992-02-25 WO PCT/FR1992/000169 patent/WO1992014908A1/fr active IP Right Grant
- 1992-02-25 EP EP92906888A patent/EP0526619B1/fr not_active Expired - Lifetime
- 1992-02-25 CA CA002080483A patent/CA2080483C/fr not_active Expired - Lifetime
- 1992-02-25 DE DE69204396T patent/DE69204396T2/de not_active Expired - Fee Related
- 1992-02-25 ES ES92906888T patent/ES2079862T3/es not_active Expired - Lifetime
- 1992-02-25 AT AT92906888T patent/ATE127197T1/de not_active IP Right Cessation
- 1992-02-25 DK DK92906888.0T patent/DK0526619T3/da active
- 1992-10-23 NO NO924117A patent/NO305999B1/no not_active IP Right Cessation
- 1992-10-23 OA OA60292A patent/OA09619A/fr unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE28436E (en) * | 1970-12-28 | 1975-06-03 | Method op determining downhole occurences in well drilling using rotary torque oscillation measurements | |
US4150568A (en) * | 1978-03-28 | 1979-04-24 | General Electric Company | Apparatus and method for down hole vibration spectrum analysis |
GB2216661A (en) * | 1988-03-11 | 1989-10-11 | Exploration Logging Inc | Downhole vibration monitoring of a drillstring |
US4903245A (en) * | 1988-03-11 | 1990-02-20 | Exploration Logging, Inc. | Downhole vibration monitoring of a drillstring |
EP0336477A1 (fr) * | 1988-04-05 | 1989-10-11 | Services Petroliers Schlumberger | Procédé pour déterminer l'usure d'un trépan de forage |
WO1990012195A1 (fr) * | 1989-03-31 | 1990-10-18 | Societe Nationale Elf Aquitaine (Production) | Dispositif et procede de contrôle d'un forage par analyse des vibrations |
EP0409304A1 (fr) * | 1989-07-19 | 1991-01-23 | Services Petroliers Schlumberger | Méthode pour la surveillance de forage d'un sondage |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2274667A (en) * | 1993-02-01 | 1994-08-03 | Baker Hughes Inc | Methods for analysis of drillstring vibration using torsionally induced frequency modulation |
GB2274667B (en) * | 1993-02-01 | 1996-04-17 | Baker Hughes Inc | Methods for analysis of drillstring vibration using torsionally induced frequency modulation |
WO1994019579A1 (fr) * | 1993-02-18 | 1994-09-01 | Baker Hughes Incorporated | Procede et appareil de detection d'un risque de coincement d'un train de tiges de forage |
GB2275283A (en) * | 1993-02-19 | 1994-08-24 | Baker Hughes Inc | Detection of bit whirl |
Also Published As
Publication number | Publication date |
---|---|
FR2673237A1 (fr) | 1992-08-28 |
NO305999B1 (no) | 1999-08-30 |
NO924117L (no) | 1992-10-23 |
DK0526619T3 (da) | 1996-04-01 |
CA2080483C (fr) | 2001-11-20 |
EP0526619A1 (fr) | 1993-02-10 |
FR2673237B1 (fr) | 1999-02-26 |
ES2079862T3 (es) | 1996-01-16 |
DE69204396T2 (de) | 1996-05-02 |
NO924117D0 (no) | 1992-10-23 |
JP3194744B2 (ja) | 2001-08-06 |
DE69204396D1 (de) | 1995-10-05 |
CA2080483A1 (fr) | 1992-08-26 |
US5273122A (en) | 1993-12-28 |
EP0526619B1 (fr) | 1995-08-30 |
ATE127197T1 (de) | 1995-09-15 |
OA09619A (fr) | 1993-04-30 |
JPH05507533A (ja) | 1993-10-28 |
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