WITSML - Rig BOP Component Schema. Manufacturer / supplier of the item. Manufacturers designated model. Date and time of installation. Removal Date. An identification tag for the blow out preventer. A serial number is a type of identification tag however some tags contain many pieces of information. This structure just identifies the tag and does not describe the contents. Type of connection to Blow Out Preventer. Size of connection to Blow Out Preventer. Maximum Pressure rating of Blow Out Preventer. Maximum tubulars passable through Blow Out Preventer. Is this a Rotating Blow Out Preventer? Values are "true" (or "1") and "false" (or "0"). Inner diameter of Booster Line. Outer diameter of Booster Line. Length of Booster Line along riser. Inner diameter of Surface Line. Outer diameter of Surface Line. Length of Choke Line along riser. Inner diameter of Choke Line. Outer diameter of Choke Line. Length of Choke Line along riser. Inner diameter of Kill Line. Outer diameter of Kill Line. Length of Kill Line. Container element for Blow Out Preventer component schema elements. Diverter description. Diameter of diverter. Working rating pressure of the component. Type of accumulator/description. Accumulator fluid capacity. Accumulator pre-charge pressure. Accumulator pre-charge volume Accumulator operating pressure rating. Blow Out Preventer Control System. Description of control system. Type of choke manifold. Choke manifold pressure.