An apparatus, system, and method for bleeding off a hydraulic fracturing manifold used in oil and gas extraction operations.

A charge tube for shaped charges into a perforating gun having a hollow cylindrical body with a first end and a second end, one or more cutouts adapted to fit a shaped charge, one or more apex cutouts, located 180 degrees about the center axis of the hollow cylindrical body from the at least one or more cutouts, adapted to fit the apex end of a shaped charge, and at least one set of parallel, partially circumferential, slot cuts proximate to the first end of the cylindrical body.

A charge tube for shaped charges into a perforating gun having a hollow cylindrical body with a first end and a second end, one or more cutouts adapted to fit a shaped charge, one or more apex cutouts, located 180 degrees about the center axis of the hollow cylindrical body from the at least one or more cutouts, adapted to fit the apex end of a shaped charge, and at least one set of parallel, partially circumferential, slot cuts proximate to the first end of the cylindrical body.

A perforation system includes: a perforating tool including a main body and a perforating head disposed within the main body; a wireline electrically coupled to the perforating head; a pulse generator electrically coupled to the wireline; and a power supply electrically coupled to the pulse generator. Upon electrification of the perforating head, a spark discharged from the perforating head arcs to a perforation target location.

A perforation system includes: a perforating tool including a main body and a perforating head disposed within the main body; a wireline electrically coupled to the perforating head; a pulse generator electrically coupled to the wireline; and a power supply electrically coupled to the pulse generator. Upon electrification of the perforating head, a spark discharged from the perforating head arcs to a perforation target location.

The present disclosure provides techniques for inline injection of water and chemicals for a dump flood. The techniques include collecting water from a source reservoir into a water collection zone of an adjacent water injection well, and injecting a chemical solution into the water injection well. The water and the chemical solution are then mixed downhole in a mixer, such as a static mixer. The mixed injection fluid is then directly injected into an adjacent target reservoir.

The present disclosure provides techniques for inline injection of water and chemicals for a dump flood. The techniques include collecting water from a source reservoir into a water collection zone of an adjacent water injection well, and injecting a chemical solution into the water injection well. The water and the chemical solution are then mixed downhole in a mixer, such as a static mixer. The mixed injection fluid is then directly injected into an adjacent target reservoir.

A laser cutting tool includes: an optical assembly that includes a laser generator that emits an laser beam; a reflector disposed longitudinally downstream of the laser generator; a reflector reflecting the laser beam emitted from the optical assembly; a focus lens disposed laterally beside the reflector; and a timer for controlling the tool to operate for at least one predetermined amount of time. The focus lens focuses the laser beam after it passes through the reflector.

Systems and methods are provided for laser heating in a fluid environment (30). Such a system may include a laser generator (12) and a laser output sub (16) separate from one another via an optical fiber (18). The laser generator may generate a heating laser pulse over the optical fiber. The laser output sub may emit the heating laser pulse to heat a substrate (22) in the fluid environment (30). To enable the heating laser pulse to pass between the laser output sub (16) and the substrate (22), the laser output sub may dispense a laser-transmissive optical grease or a laser-transmissive magnetic fluid, or may generate a vacuum cavitation bubble in the fluid between the laser output sub (16) and the substrate (22).

Systems and methods are provided for laser heating in a fluid environment (30). Such a system may include a laser generator (12) and a laser output sub (16) separate from one another via an optical fiber (18). The laser generator may generate a heating laser pulse over the optical fiber. The laser output sub may emit the heating laser pulse to heat a substrate (22) in the fluid environment (30). To enable the heating laser pulse to pass between the laser output sub (16) and the substrate (22), the laser output sub may dispense a laser-transmissive optical grease or a laser-transmissive magnetic fluid, or may generate a vacuum cavitation bubble in the fluid between the laser output sub (16) and the substrate (22).