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7547345 High performance powdered metal mixtures for shaped charge liners  
A liner ( 18 ) for a shaped charge ( 10 ) that utilizes a high performance powered metal mixture to achieve improved penetration depths during the perforation of a wellbore is disclosed. The high...
7536956 Linear shaped charge system  
An elongate explosive charge element ( 25 ), said explosive charge element ( 25 ) including a flexible frangible cutting sheet ( 26 ) and an explosive agent ( 27 ) said charge element ( 25 )...
7340025 Plasma antenna generator and method of using same  
A plasma antenna generator includes a ceramic portion including an ionizable material, an explosive charge adapted to project at least part of the ceramic portion upon detonation at a velocity...
7337703 Modular breaching apparatus  
Modular breaching apparatus including a plurality of breaching elements, each breaching element being formed with a groove for receiving therein a flexible explosive element capable of producing an...
7278354 Shock initiation devices including reactive multilayer structures  
The invention provides shock initiation devices comprising multilayer structures with constituent layers that undergo an exothermic self-propagating reaction once initiated by shock. The multilayer...
7278353 Reactive shaped charges and thermal spray methods of making same  
Shaped charge liners are made of reactive materials formed by thermal spray techniques. The thermally sprayed reactive shaped charge materials have low porosity and high structural integrity. Upon...
7086629 Severance of polycarbonates and polycarbonate laminates with linear shaped charge  
The present invention involve a method for severance of materials made of polycarbonate, polycarbonate laminate and aciylic/polycarbonate laminate, a canopy fracturing system and a conopy having...
7073448 Shaped charge tubing cutter  
A shaped charge tubing cutter includes a minimal contact suspension to isolate the cutter explosive from the housing and sub structure. A charge detonation booster main-cavity is located on the...
7011027 Coated metal particles to enhance oil field shaped charge performance  
A liner for a shaped charge comprising powdered heavy metal tungsten coated with a metal binder coating compressively formed into a liner body. Each of the powdered heavy metal particles are...
6983698 Shaped charge explosive device and method of making same  
A shaped charge explosive device which includes an axially symmetric body of explosive material, a liner lining the forward end of the body, and a detonator disposed at the bottom of the body. The...
6899032 Device to enable targets to be combated by a shaped charge function  
A device arranged to enable the engagement of targets ( 5 ) by means of a shaped charge function. An ammunition unit is arranged to operate with at least two configuration modes where in the first...
6851471 Perforating gun  
A perforating gun assembly useful in hydrocarbon well completion. The gun is assembled in a carrier made from straight walled tubing as a primary structural member with complementary male and...
6840178 Shaped charge liner  
A liner for an explosive shaped charge is formed from a mixture of powdered metals into three or more conical sections wherein the axial height of the first two sections is 30% to 70% of the total...
6805056 Method and apparatus for removing abandoned tubular members  
A method and apparatus for removing a tubular member (e.g., leg of an abandoned or obsolete fixed platforms in a marine environment) is provided. The apparatus includes a delivery system having a...
6792866 Circular shaped charge  
A circular shaped charge and methods of manufacture, shipping and assembly. An circular shaped charge is manufactured as two separate charge halves, upper and lower, and a separate continuous liner...
6684791 Shaped charge detonation system and method  
Encapsulated shaped charge for efficient initiation of hydrodynamic velocity detonation of explosives column. A water tight capsule with angled sides containing sufficient quantities of explosive...
6668727 Explosively driven impactor grenade  
An explosively driven impactor grenade includes a grenade body having a substantially spherical shape and a hollow central portion, the grenade body including a plurality of recesses formed on an...
6668726 Shaped charge liner and process  
Shaped charge liners, typically used in perforating guns, are formed from a zinc alloy of zinc and other metals such as aluminium and magnesium. The liners are formed into desired shapes, for...
6655291 Shaped-charge liner  
A liner for a explosive shaped charge, such as those used in perforating operations in oil and gas wells, is formed from a powdered metal mixture that includes molybdenum. The molybdenum allows a...
6634300 Shaped charges having enhanced tungsten liners  
A liner for a shaped charge formed from a mixture of powdered heavy metal and a powdered metal binder. The liner is formed by compression of the mixture into a liner body. In one embodiment of the...
6619176 Thinned-skirt shaped-charge liner  
The embodiments of the present invention involve a thinned-skirt shaped-charge liner, a shaped-charge explosive incorporating the liner, and methods for making the liner. The focus of the most...
6609464 Severance of polycarbonates and polycarbonate laminates with linear shaped charge  
A method for severance of materials made of polycarbonate, polycarbonate laminate and acrylic/polycarbonate laminate utilizes a linear shaped explosive charge placed at a predetermined distance or...
6606950 Method and apparatus for positioning a shaped charge  
A method and apparatus for positioning a shaped charge for destroying land mines and unexploded ordnance utilizes one or more pins secured to a shaped charge. In one embodiment, an outer body made...
6588344 Oil well perforator liner  
A shaped charge apparatus having an improved liner for a shaped charge constructed from a combination of powdered metal and selected polymer material. Powdered heavy metal and polymer binder is...
6584908 Device for the disruption of explosive objects  
A disrupter has a plastic box 1 with three semi-cylindrical plastic formers 2 each with a bag 4 containing water. Sheet explosive 13 is applied to the back of the formers. Bags 4 may be...
6564718 Lead free liner composition for shaped charges  
A liner for a shaped charge formed from a mixture of powdered heavy metal and a powdered metal binder. The liner is formed by compression of the mixture into a liner body shape. In the preferred...
6530326 Sintered tungsten liners for shaped charges  
A method of producing a liner for a shaped charge comprising mixing a composition of powdered metal with plasticizers and binders to form a paste. The paste is then particulated and injected into...
6510797 Segmented kinetic energy explosively formed penetrator assembly  
A segmented, kinetic energy projectile is formed by stacking several liners in a single warhead, for effectively producing a longer penetrator capable of greatly enhancing penetration. Each...
6510796 Shaped charge for large diameter perforations  
A shaped charge for generating a large hole in material such as well casing downhole in a wellbore. A shaped charge liner is oriented about a longitudinal axis, and a disk is positioned at the...
6505559 Well bore cutting and perforating devices and methods of manufacture  
A tubing and casing cutter is shown which can be assembled in the field from a plurality of pressed segmented pellets of free standing explosive material. The segmented pellets have a liner glued...
6499406 Blasting apparatus for forming horizontal underground cavities and blasting method using the same  
Disclosed herein is a blasting apparatus for forming horizontal underground cavities and blasting method using the same. The blasting apparatus includes a metallic body horizontally formed through...
6464019 Perforating charge case  
A perforating charge case is made by a process that includes cold forming a material into a shape for the perforating charge case. The cold forming produces additional recrystallization nucleation...
6453817 Shaped charge capsule  
A shaped charge capsule includes an open-ended casing and a ring. The casing is adapted to house an explosive, and the casing includes a shoulder to receive a cap to close the casing. A rim of the...
6453788 Device for eliminating means of combat  
To remove means of combat such as mines and unexploded ordnance increasing use is made of hollow charges. Inherent in these is the risk of triggering premature ignition since their liners contain...
6446558 Shaped-charge projectile having an amorphous-matrix composite shaped-charge liner  
A shaped-charge projectile includes a container in the form of a hollow shell elongated parallel to a projectile axis, with the container having a front end and a back end. A shaped-charge liner is...
6443068 Ammunition body, a method for inserting, and its use  
Hollow charges are often used for combating moving, lightly armored targets and do not fulfill their task due to relatively small effective charges which arrive at the target. When using blasting...
6438191 Explosive scabbling of structural materials  
A new approach to scabbling of surfaces of structural materials is disclosed. A layer of mildly energetic explosive composition is applied to the surface to be scabbled. The explosive composition...
6435096 Method and apparatus for controlled small-charge blasting by decoupled explosive  
A cartridge containing an explosive charge is inserted at the bottom of a short hole drilled in the rock. The cartridge is held in place or stemmed by a massive stemming bar of high-strength...
H002039 Clearing obstacles  
System for clearing both light and heavy obstacles, in which one or more flying metal plates are propelled against heavy obstacles by explosive forces which also expand a folded continous rod...
6422148 Impermeable and composite perforating gun assembly components  
A perforating gun assembly that includes at least one component that is constructed from a composite material and that is impermeable to wellbore fluids. The components may include the outer...
6378438 Shape charge assembly system  
Shaped charge assembly for use as part of a perforating gun, particularly, channel finder gun. The shaped charge assembly includes a charge is configured to produce a jet which is substantially...
6349649 Perforating devices for use in wells  
The perforating device for use in completing a well includes a case, an explosive charge contained in the case, and a generally bowl-shaped liner. The liner is positioned adjacent the explosive...
6308634 Precursor-follow through explosively formed penetrator assembly  
The precursor-follow through kinetic energy explosively formed penetrator assembly greatly enhances target penetration. It is formed of two sections: an initial precursor penetrator followed by a...
6298785 Blasting apparatus  
A thin metal wire 8 is fused and vaporized by a predetermined amount of electrical energy supplied to the thin metal wire 8 for a short period of time, whereby a blasting substance 3 is expanded in...
6230627 Method and apparatus for removing abandoned offshore fixed platform  
A method and apparatus for removing abandoned or obsolete fixed platforms in a marine environment is provided. The apparatus includes a delivery system having an expandable frame carrying explosive...
6223656 Pressure enhanced penetration with shaped charge perforators  
A downhole tool, adapted to retain a shaped charge surrounded by a superatmospherically pressurized light gas, is employed in a method for perforating a casing and penetrating reservoir rock around...
6216596 Zinc alloy shaped charge  
A shaped charge is shown with enhanced creep resistance for use in a perforating gun having an elongated spiral strip open to the wellbore through which the charges are attached. The shaped charge...
6167811 Reverse initiation device  
A shaped charge explosive device for defeat of advanced armor is presented. In operation, a conically capped hemispherical liner is collapsed in reverse sequence. Detonation of the base of the...
6152040 Shaped charge and explosively formed penetrator liners and process for making same  
A shaped charge or explosively formed penetrator liner and a method for producing the liner. The liner is preferably formed from a metal having a fine, uniform grain structure. The liner is...
6148729 Missile severance device  
A missile severance device for severing a structural surface member of a body is constructed of a pair of plate members separated by a collapsible liner member ring. An explosive charge is...
Matches 1 - 50 out of 245 1 2 3 4 5 >