Method for detecting and locating sand producing zones in friabl

Details Method for detecting and locating sand producing zones in friabl Method for detecting and locating sand producing zones in friabl

1974-10-04

1976-04-06

Borchelt, Archie R.

Radiant energy

Geological testing or irradiation

Well testing apparatus and methods

250259, G01V 500

Patent

active

039492206

ABSTRACT:
A method for locating and identifying sand producing zones in friable, unconsolidated sandstone formations of a subterranean reservoir traversed by a well bore. The method comprises the following steps:
A. introducing into said reservoir through said well bore, a radioactive material which is preferentially retained in the porous portions of the formation surrounding said well bore;
B. passing a radioactivity detection means through the well bore and recording the measurement of radioactivity of said reservoir;
C. returning the reservoir to production; and,
D. passing a radioactivity detection means through said well bore and recording the measurement of radioactivity of said formation for a second time and correlating the measurements of radio activity of each measurement with measurement of depth to thus locate sand producing zones in said reservoir.

REFERENCES:
patent: 2352993 (1944-07-01), Albertson
patent: 2358945 (1944-09-01), Teichmann
patent: 2810076 (1957-10-01), Mardock
patent: 3503447 (1970-03-01), Hamby, Jr.

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