Improvements in a Through-Casing Pulsed-Neutron Density Log

Proceedings - SPE Annual Technical Conference and Exhibition

Volumn , Issue , 2001, Pages 3743-3751

  Odom, Richard C ^a   Tiller, Don E ^a   Wilson, Robert D ^a  

^a Computalog USA Inc ^*  (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTER SIMULATION; GAMMA RAYS; MATHEMATICAL MODELS; NEUTRON DETECTORS; NEUTRONS; OPTIMIZATION; POROSITY; SENSITIVITY ANALYSIS;

PULSED NEUTRON DENSITY; THERMAL NEUTRONS;

OIL WELL LOGGING;

EID: 1142265671     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2118/71742-ms     Document Type: Conference Paper

References (13)

1. Odom, R.C., Pavlakos, P., Diocee, S.S., Bailey, S.M., Zander, D.M., Gillespie, J.J.:"Shaly Sand Analysis using Density-Neutron Porosities from a Cased-hole Pulsed Neutron System," SPE 55641, presented at the 1999 Rocky Mountain Regional meeting, Gillette, Wy, May 15-18.
2. Odom, R.C., Streeter, R.W., Wilson, R.D.: "Formation Density Measurement Utilizing Pulse Neutrons," United States Patent Number 5,900,627, issued May 4, 1999.
3. Odom, R.C, Bailey, S.M., Wilson, R.D., Archer, M.P.: "Pulsed Neutron Density Measurements: Modeling the Depth of Investigation and Cased-hole Wellbore Uncertainties," Paper JJ, 1999 SPWLA Annual Logging Symposium.
4. Odom, R.C., Platt, C.J., Pavlakos, P.: "Assessing the Capabilities of a Cased-hole Reservoir Analysis System in the Gulf of Thailand," SPE 64404, presented at the 2000 Asia Pacific Oil and Gas Conference and Exhibition, Brisbane, Australia, October 16-18.
5. Neumann, C.H., Sullivan, M.J., Belanger, D.L.: "An Investigation of Density Derived from Pulsed Neutron Capture Measurements", SPE 56647, presented at the 1999 Annual Technical Conference and Exhibition, Houston, October 3-6.
6. Manry, M.T., Dawson, M.S., Fung, A.K., Apollo, S.J., Allen, L.S., Lyle, W.D., Gong, W.: "Fast Training of Neural Networks for Remote Sensing, " Remote Sensing Reviews, 1994, Vol. 9.
7. Odom, R.C., Wilson R.D., Ladtkow, R.K.: "Log Examples with a Prototype Three-Detector Pulsed-Neutron System for Measurement of Cased-Hole Neutron and Density Porosities," SPE 71042, presented at the 2001 Rocky Mountain Petroleum Technology Conference, Keystone, CO, May 21-23.
8. Briesmeister, J.F. (ed.): "MCNP - A General Monte Carlo N-Particle Transport Code, Version 4B", Los Alamos National Laboratory report LA-12625-M (March 1997).
9. Tittman, J., and Wahl, J.S.: "The Physical Foundations of Formation Density Logging (Gamma-Gamma)," Geophysics 30, 284 (1965).
10. Birks, J.B.: The Theory and Practice of Scintillation Counting, Pergamon Press, Oxford (1964), section 13.1.6.
11. McGinnis, S.: personal communication of Bicron data sheet: "BC-720 Fast Neutron Detector,", July 21, 2000.
12. Odom, R.C.: "Pulsed Neutron Decay Tool for Measuring Gamma Radiation Energy Spectra for Fast Neutron Inelastic Collisions and Thermal Neutron Capture Events," United States Patent Number 5,374,823, issued December 20, 1994
13. Wilson, R.D.: "Apparatus and methods for determining gas saturation and porosity of a formation penetrated by a gas filled or liquid filled borehole," United States Patent Number 6,207,953, issued March 27, 2001.