FIELD: oil and gas production.
SUBSTANCE: according to pulse neutron logging, neutron medium characteristics are differentiated, including - thermal lifetime in initial τi and distant τd thermal-neutron decay time areas related to space immediately behind tubing, and in a well zone of the formation.
EFFECT: more efficient operation of oil and gas wells ensured by detection of salt deposit detection on an outer surfaces of the tubing by geophysical methods.
2 dwg
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