Dipmeter apparatus and method using transducer array having long

Details Dipmeter apparatus and method using transducer array having long Dipmeter apparatus and method using transducer array having long

1991-10-31

1993-04-06

Strecker, Gerard R.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

With radiant energy or nonconductive-type transmitter

73152, 175 50, 324347, 324369, 364422, G01V 318, G01V 338, E21B 4712, E21B 4900

Patent

active

052007057

ABSTRACT:
A disclosed embodiment utilizes one or more toroidal coil antennas mounted, in an insulating medium, on a drill collar to induce currents which travel in a path that includes the drill collar and earth formations around the drill collar. At least one array of electrodes is provided on at least one stabilizer blade of the drill collar and is utilized to detect currents transmitted by toroidal coil antennas which return via the formations to the electrodes laterally; that is, approximately normal to the axis of the drill collar. Signal traces are obtained from measurements taken at respective ones of the transducers, and a dip characteristic of the formations is determined from the signal traces and from signals representing the rotational orientation of the drill collar.

REFERENCES:
patent: 3186222 (1965-06-01), Martin
patent: 3187252 (1965-06-01), Hungerford
patent: 3305771 (1967-02-01), Arps
patent: 3408561 (1968-10-01), Redwine et al.
patent: 3967201 (1976-06-01), Rorden
patent: 4360777 (1982-11-01), Segesman
patent: 4553097 (1985-11-01), Clark
patent: 4567759 (1986-02-01), Ekstrom et al.
patent: 4578675 (1986-03-01), MacLeod
patent: 4692908 (1987-09-01), Ekstrom et al.
patent: 4725837 (1988-02-01), Rubin
patent: 4739325 (1988-04-01), MacLeod
patent: 4747303 (1988-05-01), Fontenot
patent: 4786874 (1988-11-01), Grosso et al.
patent: 4839644 (1989-06-01), Safinya et al.
patent: 4979151 (1990-12-01), Ekstrom et al.
patent: 5017778 (1991-05-01), Wraight
patent: 5045795 (1991-09-01), Gianzero et al.
S. Gianzero et al., "A New Resistivity Tool for Measurement-While-Drilling", SPWLA Twenty-Sixth Annual Logging Symposium, Jun. 17-20, 1985, pp. 1-22.
T. I. F. Grupping, et al., "Performance Update of a Dual-Resistivity MWD Tool with Some Promising Results in Oil-Based Mud Applications", SPE 18115, pp. 73-85, Oct. 2-5, 1988, Houston, Tex.
T. I. F. Grupping et al., "Recent Performance of the Dual-Resistivity MWD Tool", SPE Formation Evaluation, pp. 171-176, Jun. 1990.
S. Gianzero, et al., "Determining the Invasion Near the Bit with the MWD Toroid Sonde", SPWLA Twenty-Seventh Annual Logging Symposium, pp. 1-17, Jun. 9-13, 1986.
"Dipmeter Interpretation", Volume I-Fundamentals, pp. 1-60, 1971, Schlumberger Ltd. Publication.
"Diplog-Analysis and Practical Geology", pp. 1-57, 1983, Dresser Atlas Publication.

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