Type 'JO' Unlatching Tool Assembly with 'J' Head

Type 'JO' Unlatching Tool Assembly with 'J' Head is used to set instruments into the well bore on top of pre-set Stop. To RUN: Attach the 'J' Head to the Instrument, or Instrument Carrier (Bomb Well). The running tool's 'JAY' slot allows the 'J' Head to be unlatched by the weight of the tool string and left down hole. 'J' Head's fishing neck is used to retrieve the instruments at later date with appropriate Pulling Tool.