CA2313282A1 - Method and apparatus for determining logging tool displacements - Google Patents
Method and apparatus for determining logging tool displacements Download PDFInfo
- Publication number
- CA2313282A1 CA2313282A1 CA002313282A CA2313282A CA2313282A1 CA 2313282 A1 CA2313282 A1 CA 2313282A1 CA 002313282 A CA002313282 A CA 002313282A CA 2313282 A CA2313282 A CA 2313282A CA 2313282 A1 CA2313282 A1 CA 2313282A1
- Authority
- CA
- Canada
- Prior art keywords
- logging tool
- displacements
- measurement interval
- determining
- lower bound
- 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.)
- Granted
Links
Classifications
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
Abstract
A method of determining the displacements of a logging tool during a measurement interval of the logging tool in a borehole includes obtaining a set of accelerometer signals corresponding to accelerations of the logging tool along each of three orthogonal axes of the logging tool during the measurement interval. The method further includes calculating a lower bound for the displacements of the logging tool during the measurement interval when the initial velocity and the gravitational acceleration are unknown. The lower bound on the displacements of the logging tool is used to flag the validity of the measurements made by the logging tool.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14339399P | 1999-07-12 | 1999-07-12 | |
US60/143,393 | 1999-07-12 | ||
US09/598,629 | 2000-06-21 | ||
US09/598,629 US6459992B1 (en) | 1999-07-12 | 2000-06-21 | Method and apparatus for determining logging tool displacements |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2313282A1 true CA2313282A1 (en) | 2001-01-12 |
CA2313282C CA2313282C (en) | 2006-06-06 |
Family
ID=26840992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002313282A Expired - Fee Related CA2313282C (en) | 1999-07-12 | 2000-06-30 | Method and apparatus for determining logging tool displacements |
Country Status (4)
Country | Link |
---|---|
US (1) | US6459992B1 (en) |
CA (1) | CA2313282C (en) |
GB (1) | GB2352818B (en) |
NO (1) | NO329427B1 (en) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020077568A1 (en) * | 2000-11-22 | 2002-06-20 | Haddock Thomas F. | Biological vessel volume measurement method and apparatus utilizing micro accelerometer |
US6769497B2 (en) * | 2001-06-14 | 2004-08-03 | Baker Hughes Incorporated | Use of axial accelerometer for estimation of instantaneous ROP downhole for LWD and wireline applications |
US6518756B1 (en) * | 2001-06-14 | 2003-02-11 | Halliburton Energy Services, Inc. | Systems and methods for determining motion tool parameters in borehole logging |
US6651496B2 (en) | 2001-09-04 | 2003-11-25 | Scientific Drilling International | Inertially-stabilized magnetometer measuring apparatus for use in a borehole rotary environment |
US6859032B2 (en) * | 2001-12-18 | 2005-02-22 | Schlumberger Technology Corporation | Method for determining molecular properties of hydrocarbon mixtures from NMR data |
US6838875B2 (en) * | 2002-05-10 | 2005-01-04 | Schlumberger Technology Corporation | Processing NMR data in the presence of coherent ringing |
US6703832B2 (en) * | 2002-08-12 | 2004-03-09 | Schlumberger Technology Corporation | Method for detecting hydrocarbons by comparing NMR response at different depths of investigation |
US6859033B2 (en) * | 2002-08-28 | 2005-02-22 | Schlumberger Technology Corporation | Method for magnetic resonance fluid characterization |
US6781371B2 (en) * | 2002-09-06 | 2004-08-24 | Schlumberger Technology Corporation | High vertical resolution antennas for NMR logging |
US6960913B2 (en) * | 2003-01-14 | 2005-11-01 | Schlumberger Technology Corporation | Multi-measurement NMR analysis based on maximum entropy |
US7034528B2 (en) * | 2003-02-27 | 2006-04-25 | Schlumberger Technology Corporation | Methods for formation evaluation based on multi-dimensional representation of nuclear magnetic resonance data |
US7463027B2 (en) * | 2003-05-02 | 2008-12-09 | Halliburton Energy Services, Inc. | Systems and methods for deep-looking NMR logging |
US20090126486A1 (en) * | 2007-11-20 | 2009-05-21 | Baker Hughes Incorporated | Orientation independent gravity sensor |
US7819183B2 (en) * | 2008-06-16 | 2010-10-26 | Halliburton Energy Services, Inc. | Work string controller |
US8016050B2 (en) * | 2008-11-03 | 2011-09-13 | Baker Hughes Incorporated | Methods and apparatuses for estimating drill bit cutting effectiveness |
US8028764B2 (en) * | 2009-02-24 | 2011-10-04 | Baker Hughes Incorporated | Methods and apparatuses for estimating drill bit condition |
CH707573A1 (en) * | 2013-02-07 | 2014-08-15 | Thomas Frizlen | Method and system for determining the displacement of an anchor. |
EP3356645B1 (en) * | 2015-10-06 | 2023-01-18 | Halliburton Energy Services, Inc. | Systems and methods for detecting downhole tool location inside a borehole |
US20180003028A1 (en) * | 2016-06-29 | 2018-01-04 | New Mexico Tech Research Foundation | Downhole measurement system |
CN106321074B (en) * | 2016-10-18 | 2023-10-24 | 海斯比得(武汉)石油科技有限公司 | Optical engine-based inclinometer while drilling and measuring device thereof |
RU2668654C1 (en) * | 2017-08-24 | 2018-10-02 | Федеральное государственное бюджетное учреждение науки Институт геофизики им. Ю.П. Булашевича Уральского отделения Российской академии наук (ИГФ УрО РАН) | Device for measuring geoacoustic signals in well |
US10625824B2 (en) | 2018-01-13 | 2020-04-21 | Thomas Frizlen | Method and system for determining displacement of an anchor |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4029215A1 (en) | 1990-09-14 | 1992-04-23 | Deutsche Forsch Luft Raumfahrt | Accurate measurement of spatial angles, trajectories, contours etc. - uses sequential angle and/or velocity and/or position measuring w.r.t. unknown, but identical starting states |
US5541587A (en) | 1995-01-19 | 1996-07-30 | Western Atlas International, Inc. | System for determining the true depth of an electrical logging tool within a wellbore |
US6051973A (en) | 1996-12-30 | 2000-04-18 | Numar Corporation | Method for formation evaluation while drilling |
EP1057047B1 (en) * | 1998-01-16 | 2008-08-06 | Halliburton Energy Services, Inc. | Method and apparatus for nuclear magnetic resonance measuring while drilling |
-
2000
- 2000-06-21 US US09/598,629 patent/US6459992B1/en not_active Expired - Lifetime
- 2000-06-30 GB GB0015942A patent/GB2352818B/en not_active Expired - Fee Related
- 2000-06-30 CA CA002313282A patent/CA2313282C/en not_active Expired - Fee Related
- 2000-07-11 NO NO20003562A patent/NO329427B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO20003562D0 (en) | 2000-07-11 |
GB2352818A (en) | 2001-02-07 |
NO20003562L (en) | 2001-01-15 |
GB0015942D0 (en) | 2000-08-23 |
CA2313282C (en) | 2006-06-06 |
GB2352818B (en) | 2001-09-26 |
NO329427B1 (en) | 2010-10-18 |
US6459992B1 (en) | 2002-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20160630 |