Published July 18, 1984 | Version v1
Patent Open

Method for the determination of clay and mica concentrations in subsurface sandstone formations through radioactive logging

Creators

Description

A method is described for radioactivity well logging in a subsurface sandstone formation penetrated by a borehole. The invention relates particularly to clay and mica contents, which are determined from the natural gamma-ray activities. The natural sources of gamma radiation in the formation, are the trace elements thorium, uranium and potassium. (U.K.)

Availability note (English)

MF available from INIS under the Report Number.

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Additional details

Publishing Information

Imprint Pagination
3 p.
IPC:
Int. Cl. G01v5/06.
IPC
Int. Cl. G01v5/06.
Patent number
GB patent document 2133136/A/

INIS

Country of Publication
United Kingdom
Country of Input or Organization
United Kingdom
INIS RN
16034002
Subject category
S58: GEOSCIENCES;
Descriptors DEI
BOREHOLES; CLAYS; GAMMA RADIATION; MICA; NATURAL RADIOACTIVITY; POTASSIUM; QUANTITY RATIO; RADIOACTIVITY LOGGING; SANDSTONES; THORIUM; URANIUM; WELL LOGGING
Descriptors DEC
ACTINIDES; ALKALI METALS; CAVITIES; ELECTROMAGNETIC RADIATION; ELEMENTS; IONIZING RADIATIONS; METALS; MINERALS; RADIATIONS; RADIOACTIVITY; ROCKS; SEDIMENTARY ROCKS; SILICATE MINERALS

Optional Information

Secondary number(s)
GB patent application 8237066.