Various implementations include a self-coupling initiator including one or more integrated features that allow the initiator to be installed within a housing tube without a forming or fastening operation. The integrated features are able to be coupled to a drop protection cap. The drop protection cap extends around at least a portion of a head portion of the initiator and abuts the structure of the outer housing so that force imparted on the drop protection cap from a drop test is transferred to a direct compression load on the cap and housing, instead of the force being transferred to the initiator. In addition, the initiator may include one or more clip features that allow the initiator to clip into the housing. In such embodiments, the drop protection cap may also prevent the clips from being disengaged with the housing.

Various implementations include a self-coupling initiator including one or more integrated features that allow the initiator to be installed within a housing tube without a forming or fastening operation. The integrated features are able to be coupled to a drop protection cap. The drop protection cap extends around at least a portion of a head portion of the initiator and abuts the structure of the outer housing so that force imparted on the drop protection cap from a drop test is transferred to a direct compression load on the cap and housing, instead of the force being transferred to the initiator. In addition, the initiator may include one or more clip features that allow the initiator to clip into the housing. In such embodiments, the drop protection cap may also prevent the clips from being disengaged with the housing.

A booster assembly (60) for use in a drill and blast operation comprises in co-axial alignment: (a) a booster (65) for initiating an explosion of an explosives material in a hole (90) in a pit floor (91) as part of a drill and blast operation, (b) a spool (63) and a detonation cord (66) wrapped around the spool in a storage position outside the hole and connected to the spool and to the booster, and (b) a stake (61). The spool allows the detonation cord to be unwound from the spool as the booster is moved from the storage position to an operative depth in the hole and the spool remains in the storage position. The stake is provided for locating the spool in the pit floor proximate the hole after the booster is at the operative depth in the hole.

A booster assembly (60) for use in a drill and blast operation comprises in co-axial alignment: (a) a booster (65) for initiating an explosion of an explosives material in a hole (90) in a pit floor (91) as part of a drill and blast operation, (b) a spool (63) and a detonation cord (66) wrapped around the spool in a storage position outside the hole and connected to the spool and to the booster, and (b) a stake (61). The spool allows the detonation cord to be unwound from the spool as the booster is moved from the storage position to an operative depth in the hole and the spool remains in the storage position. The stake is provided for locating the spool in the pit floor proximate the hole after the booster is at the operative depth in the hole.

The disclosure relates to a connector pin, in particular a metal pin, for feedthroughs, in particular glass-metal feedthroughs, with at least one first, elongated portion, as well as at least one adjoining end portion, and the end portion has a rounding with at least radius R. The disclosure is further characterized in that the cone and/or radius R is preferably a cone and/or radius according to a specification and is obtained by means of a material-removing method and/or a non-material-removing method.

A method and apparatus for providing a universal plug in cartridge detonator capability in box-by-box perforating guns.

Provided herein are systems and methods for pairing a remote controller unit and a control unit, using a smart safety pin. More specifically, but not exclusively, disclosed are detonation control systems and methods, which include a detonation controller unit, a safety pin configured to engage with a safety pin holder of the detonation unit, and a remote controller unit configured to receive the safety pin, wherein, only when the safety pin is removed from the detonation controller unit and engaged with a remote controller unit, the remote controller unit is paired with the detonation controller unit and capable of communicating therewith.

A socket driver for a perforating gun assembly. The socket driver includes a first end, and a second end opposite the first end. The second end defines an inner diameter that has a length to extend over a threaded end of the tandem sub. The socket driver is configured to mate with a shoulder along the tandem sub of the perforating gun assembly. Specifically, the socket driver includes a radial notched profile. The notched profile is configured to mate with a radial pattern of slots along the shoulder of the tandem sub. In one aspect, the socket driver is between 3 and 8 inches in length. In one aspect, the first end of the socket driver comprises an opening configured to receive a torque tool. A method of connecting ends of perforating guns using the socket driver is also provided herein.

An energy conversion system may comprise a substrate including a first conductive trace and a second conductive trace electrically isolated from the first conductive trace. A housing may be coupled to the substrate. An ignition compound may be located in the housing. A solder may be thermally coupled to the ignition compound such that ignition of the ignition compound melts the solder. The housing may be configured to output the solder onto the first conductive trace and the second conductive trace.

An energy conversion system may comprise a substrate including a first conductive trace and a second conductive trace electrically isolated from the first conductive trace. A housing may be coupled to the substrate. An ignition compound may be located in the housing. A solder may be thermally coupled to the ignition compound such that ignition of the ignition compound melts the solder. The housing may be configured to output the solder onto the first conductive trace and the second conductive trace.