Electricity: measuring and testing – Particle precession resonance – Using well logging device
Patent
1989-12-19
1991-06-11
Tokar, Michael J.
Electricity: measuring and testing
Particle precession resonance
Using well logging device
324307, G01R 3320
Patent
active
050235516
ABSTRACT:
An NMR pulse sequence for use in the borehole environment is provided which combines a modified fast inversion recovery (FIR) pulse sequence with a series of more than ten, and typically hundreds, of CPMG pulses according to
REFERENCES:
patent: 3226632 (1962-04-01), Brown et al.
patent: 3597681 (1971-08-01), Hackabay
patent: 3781650 (1973-12-01), Keller
patent: 4297637 (1981-10-01), Crooks et al.
patent: 4389613 (1983-06-01), Brown
patent: 4408161 (1983-10-01), Brown
patent: 4431968 (1984-02-01), Edelstein et al.
patent: 4443760 (1984-04-01), Edelstein et al.
patent: 4451788 (1984-05-01), Edelstein et al.
patent: 4459139 (1985-10-01), MacFall et al.
patent: 4471305 (1984-09-01), Crooks et al.
patent: 4471306 (1984-09-01), Edelstein et al.
patent: 4480227 (1984-10-01), Brown
patent: 4486709 (1984-12-01), Bendall
patent: 4521733 (1985-06-01), Bottomley et al.
patent: 4536712 (1985-08-01), Iwaoka et al.
patent: 4542343 (1985-09-01), Brown
patent: 4570119 (1986-02-01), Wehrli et al.
patent: 4570120 (1986-02-01), Hall et al.
patent: 4579121 (1986-04-01), Macovski
patent: 4604579 (1986-08-01), Cannon
patent: 4612504 (1986-09-01), Pelc
patent: 4616183 (1986-10-01), Glover et al.
patent: 4620154 (1986-10-01), Inouye
patent: 4621235 (1986-11-01), van Uijen et al.
patent: 4628262 (1986-12-01), Maudsley
patent: 4641095 (1987-02-01), Riederer
patent: 4651097 (1987-03-01), Iwaoka et al.
patent: 4656425 (1987-04-01), Bendel
patent: 4665367 (1987-05-01), Kramer et al.
patent: 4684891 (1987-08-01), Feinberg
patent: 4684892 (1987-08-01), Graumann
patent: 4697148 (1987-09-01), Strobel et al.
patent: 4698593 (1987-10-01), Crooks
patent: 4701709 (1987-10-01), Yamamoto et al.
patent: 4707658 (1987-11-01), Frahm et al.
patent: 4709211 (1987-11-01), Machida et al.
patent: 4709212 (1987-11-01), MacFall et al.
patent: 4710713 (1987-12-01), Strikman
patent: 4710718 (1987-12-01), Shaka
patent: 4717877 (1988-01-01), Taicher et al.
patent: 4719423 (1988-01-01), Vinegar et al.
Freeman and Hill, Fourier Transformation Study of NMR Spin Lattice Relaxation by "Progressive Saturation", Journal of Chemical Physics, vol. 54, No. 8, Apr. 15, 1971; pp. 3367-3377.
Levy and Peat; The Experimental Approach to Accurate Carbon-13 Spin-Lattice Relaxation Measurements; Jour. of Magnetic Resonance 18, pp. 500-521; 1975.
Meakin and Jesson; Computer Simulation of Multiphase & Fourier Transform NMR Experiments . . . ; Jour. of Magnetic Resonance 10; pp. 290-315; 1973.
Allerhand and Cochran; Carbon-13 Fourier-Transform Nuclear Magnetic Resonance . . . ; Jour. of the Amer. Chemical Society; Jul. 15, 1970; 94:14.
J. S. Waugh; Sensitivity in Fourier Transform NMR Spectroscopy of Slowly Relaxing Systems; Jour. of Molecular Spectroscopy 35; 1970, pp. 298-305.
Meiboom and Gill; Modified Spin-Echo Method for Measuring Nuclear Relaxation Times; The Review of Scientific Instruments; vol. 29, No. 8, Aug. 1958.
Carr and Purcell; Effects of Diffusion on Free Precession in Nuclear Magnetic Resonance Experiments; Physical Review, vol. 94, No. 3.
H. Edzes; An Analysis of the Use of Pulse Multiplets in the Single Scan Determination . . . ; Jour. of Magnetic Resonance 17, pp. 301-313; 1975.
Canet, Levy and Peat; Time Saving in C Spin-Lattice Relaxation Measurements by Inversion-Recovery; Jour. of Magnetic Resonance 18; pp. 199-204; 1975.
Fukuhara Masafumi
Kleinberg Robert L.
Sezginer Abdurrahman
Gordon David P.
Lee Peter Y.
Schlumberger-Doll Research
Tokar Michael J.
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