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Borehole gravimetry

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Proceedings Papers

Paper presented at the 1999 SEG Annual Meeting, October 31–November 5, 1999
Paper Number: SEG-1999-0393
... ABSTRACT No preview is available for this paper. borehole gravimetry ander well logging borehole gravity gravity borehole gravimetry david bold new world sensitivity sensor feedback system borehole gravity tool lacoste log analysis romberg llc resolution monitoring...
Proceedings Papers

Paper presented at the 1997 SEG Annual Meeting, November 2–7, 1997
Paper Number: SEG-1997-0531
... ABSTRACT No preview is available for this paper. bhgm well logging technique wednesday response curve borehole gravity gradiometer bulk density borehole gravimetry saturation prudhoe bay upstream oil & gas gradiometer physical limitation exploration application gravity...
Proceedings Papers

Paper presented at the European Petroleum Conference, October 21–24, 1990
Paper Number: SPE-20896-MS
... Abstract This paper describes the results of a field application of borehole gravimetry to measure secondary gas saturations in a fractured limestone reservoir. Owing to its deep-reading capability and insensitivity to near-wellbore effects, the borehole gravimeter succeeded where conventional...
Proceedings Papers

Paper presented at the 1989 SEG Annual Meeting, October 29–November 2, 1989
Paper Number: SEG-1989-0059
... ABSTRACT No preview is available for this paper. subsurface structure reservoir characterization reef gravity measurement anomaly upstream oil & gas determination density anomaly well logging log analysis borehole gravimetry gravity profile density contrast layered...
Proceedings Papers

Paper presented at the 1983 SEG Annual Meeting, September 11–15, 1983
Paper Number: SEG-1983-0035
... of such zones theoretically can be detected if their anomalies are greater than 0.01 g/cm3. Determination of Subsurface Geologic Structure with Borehole Gravimetry: Case History S. R. Clark, EG&G; und J. R. Hearst, Luwrerwe Livermore National Luh BG8 Conventional gamma-gamma and gravimetric density measurements...
Proceedings Papers

Paper presented at the 7th World Petroleum Congress, April 2–9, 1967
Paper Number: WPC-12163
... in the borehole, and possibly of instrumental response to large ambient temperature ranges. Heavy dependence of underground vertical gravity gradients upon rock density encourages the use of borehole gravimetry for studies of density, porosity, and fluid character. However, the partial dependence of gravity...
Journal Articles
J Pet Technol 28 (06): 709–718.
Paper Number: SPE-5511-PA
Published: 01 June 1976
...A.H. Jageler The borehole gravimeter was developed to improve subsurface remote-sensing capabilities and reservoir-analysis capabilities. Successful applications of borehole gravimetry illustrate the sensitivity and versatility of the device. Its success is attributed to its large volumetric...
Proceedings Papers

Paper presented at the SPE Permian Basin Oil and Gas Recovery Conference, March 21–23, 2000
Paper Number: SPE-59698-MS
... of the majority of wells drilled. These artificial limitations can now be overcome with modern engineering and new electronic components - technology that was unavailable a few years ago. New advances in gimbals and leveling move borehole gravimetry forward into the 21st century. The fundamental principles...
Journal Articles
Petrophysics 40 (01).
Paper Number: SPWLA-1999-v40n1a3
Published: 01 January 1999
... between two adjacent measurement stations, Ag the difference in gravity readings, and G the universal gravitational constant. Equation (1) has been given for the infinite uniform horizontal slab model in the seminal papers of borehole gravimetry (Hammer, 1950; Smith, 1950). The real world is different...
Proceedings Papers

Paper presented at the 1999 SEG Annual Meeting, October 31–November 5, 1999
Paper Number: SEG-1999-2061
.... Borehole gravimetry acquires data at seismic wavelet scales. Therefore, inversion technology between seismic data and borehole gravity data could lead to new exploration opportunities. Full deviation borehole gravity data could lead to multi-tensor downhole information, which opens new vistas...
Proceedings Papers

Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-0815
... a single borehole are not sufficient to exactly recover the azimuth of a target nor to resolve multiple compact bodies. Introduction Borehole gravimetry is a bulk in-situ density logging method suggested as early as Smith (1950). In recent years, there has been a steady but building interest in borehole...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3211056
... displacement Ander , M. A. , and D. A. Chapin , 1997 , Borehole gravimetry: A review : 67th Annual International Meeting, SEG , Expanded Abstracts , 531 – 534 , doi: 10.1190/1.1885954 . Ander , M. E. , and E. Biegert , 2006 , A new approach to subsurface...
Proceedings Papers

Paper presented at the SPWLA 9th Annual Logging Symposium, June 23–26, 1968
Paper Number: SPWLA-1968-O
... underground surfaces of equal rock density can be evaluated. Borehole irregularities, or variable mudcake, filtrate invasion, casing, and cement produce practically negligible effects. Characteristics that make borehold gravimetry uniquely valuable for reservoir evaluation are: direct dependence...
Proceedings Papers

Paper presented at the SPWLA 18th Annual Logging Symposium, June 5–8, 1977
Paper Number: SPWLA-1977-E
..., 1977 REFERENCES 1. 2. 3. 4. 5. 6. 7. 8. 9. T. McCulloh, "The Promise of Precise Borehole Gravimetry in Petroleum Exploration and Exploitation," U.S. Geological Survey Circular 531 (1966). T. McCulloh, J. Kandle, and J. Schoellhamer, "Application of Gravity Measurements in Wells to Problems of Reservoir...
Proceedings Papers

Paper presented at the 1983 SEG Annual Meeting, September 11–15, 1983
Paper Number: SEG-1983-0033
... -0.025 g/cm3 when the near edge of the zone is at a distance of 4 m. The presence of such zones theoretically can be detected if their anomalies are greater than 0.01 g/cm3. Determination of Subsurface Geologic Structure with Borehole Gravimetry: Case History S. R. Clark, EG&G; und J. R. Hearst, Luwrerwe...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 10–12, 2014
Paper Number: IPTC-17978-MS
... Abstract Traditional gravimetry applications are mining/oil exploration surface gravity and formation bulk density borehole gravity logging. Large-scale reservoir saturation monitoring is a new gravimetry application. Substitution of oil or gas by water leads to density changes in large...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13953618
... : 82nd Annual International Meeting, SEG, Expanded Abstracts . Popta , J. V. , J. T. Heywood , S. J. Adams , and D. R. Bostock , 1990 , Use of borehole gravimetry for reservoir characterization and fluid saturation monitoring : Proceedings of the 7th European Offshore...
Proceedings Papers

Paper presented at the SPE Russian Oil and Gas Exploration & Production Technical Conference and Exhibition, October 14–16, 2014
Paper Number: SPE-171226-MS
.... Abstract Gravimetry is a physical method with a large depth of investigation. Traditional applications include surface gravity observations for mining and oil exploration and borehole gravity logging for investigating formation bulk density. A new application of gravimetry is large-scale reservoir...
Proceedings Papers

Paper presented at the 2006 SEG Annual Meeting, October 1–6, 2006
Paper Number: SEG-2006-0904
... and geosteering into porous carbonates. Figure 4. Finding and geosteering into fractured zones. POWC POWC Horizontal Well Original OWC Figure. 5. Locating oil-water contacts in proximal stacked oil bearing sands. References Ander, M. E., and D. A. Chapin, Borehole gravimetry: A review, Society of Exploration...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214847
... , 1990 , Use of borehole gravimetry for reservoir characterization and fluid saturation monitoring : Presented at the SPE European Petroleum Conference , 151 – 160 , doi: 10.2118/20896-MS . Rasmussen , N. F. , 1975 , The successful use of the borehole gravity meter in northern...

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