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.)
Services Petroliers Schlumberger SA
Original Assignee
Societe de Prospection Electrique Schlumberger SA
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Filing date
Publication date
Application filed by Societe de Prospection Electrique Schlumberger SAfiledCriticalSociete de Prospection Electrique Schlumberger SA
Publication of ES238228A1publicationCriticalpatent/ES238228A1/es
Perforating, Stamping-Out Or Severing By Means Other Than Cutting
(AREA)
Abstract
Perfeccionamientos introducidos en las cargas huecas destinadas a la perforación y que llevan una envolvente metálica, consistiendo en fabricar esta envolvente de un polvo metálico comprimido.
ES0238228A1956-12-261957-10-23Perfeccionamientos introducidos en las cargas huecas destinadas a la perforacion
ExpiredES238228A1
(es)