Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US08/431,014external-prioritypatent/US5647541A/en
Application filed by Michael C NelsonfiledCriticalMichael C Nelson
Application grantedgrantedCritical
Publication of ATE237408T1publicationCriticalpatent/ATE237408T1/de
Equipamento e estrangulador posicionáveis operacionalmente dentro de um poço subterrâneo e métodos para controlar o fluxo de fluido em uma linha de tubulação e dentro de um poço subterrâneo.