Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schlumberger Overseas SA
Original Assignee
Schlumberger Overseas SA
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Filing date
Publication date
Priority claimed from FR7139315Aexternal-prioritypatent/FR2159557A5/fr
Application filed by Schlumberger Overseas SAfiledCriticalSchlumberger Overseas SA
Application grantedgrantedCritical
Publication of AU4817772ApublicationCriticalpatent/AU4817772A/en
Publication of AU477443B2publicationCriticalpatent/AU477443B2/en
AU48177/72A1971-11-031972-10-26Improvements in techniques for evaluating the porosity of earth formations traversed by a borehole
ExpiredAU477443B2
(en)