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Match Document Document Title
9038521 Apparatus for creating and customizing intersecting jets with oilfield shaped charges  
A geological perforating tool (gun) shape charges disposed at an angle that provides an improvement over other known embodiments by accurately securing the charges in the tool to facilitate...
8967257 Method and apparatus for expendable tubing-conveyed perforating gun  
Methods and apparatus are presented for a “disappearing” perforator gun assembly. In a preferred method of perforating a well casing, inserted into the well casing is a tubing conveyed perforator...
8960289 Combined fracturing and perforating method and device for oil and gas well  
A combined fracturing and perforating method and device for oil and gas well are disclosed. The method utilizes an explosion of a perforating charge (5) in a combined fracturing perforator to...
8919253 Perforating string with magnetohydrodynamic initiation transfer  
A perforating system that transfers a detonation wave between adjacent perforating guns by converting shockwave energy to electrical energy. An explosive is provided on an end of a detonating cord...
8919444 System and method for enhanced wellbore perforations  
An apparatus for perforating a subterranean formation may include a casing, an energetic material, a liner, and an acid-generating material. The casing may have a slotted end configured to receive...
8807003 Perforating gun assembly and method for controlling wellbore pressure regimes during perforating  
A method comprises providing a gun string assembly within a wellbore and perforating the wellbore using the gun string assembly. The gun string assembly comprises a plurality of perforating guns...
8763532 Devices and methods for perforating a wellbore  
An apparatus and method for perforating a subterranean formation is disclosed. The apparatus includes a tubular carrier; a charge tube disposed in the tubular carrier; and at least one shaped...
8746331 Rust resistant well perforating gun with gripping surfaces  
A rust resistant well perforating gun to fractionate a formation adjacent a well can include a gun carrier with recesses, threaded sections, seal bores, and a first coating to prevent rust. The...
8739673 Perforating gun assembly and method for controlling wellbore pressure regimes during perforating  
A method comprises: a. determining a configuration of a gun string, b. determining, by a computer, a pressure transient at a location in a wellbore, c. comparing the one or more pressures with the...
8584772 Shaped charges for creating enhanced perforation tunnel in a well formation  
A shaped charge includes a charge case; an explosive disposed inside the charge case; and a liner for retaining the explosive in the charge case, wherein the liner comprises a material reactive...
8561683 Wellbore tubular cutter  
An apparatus and a method for cutting a wellbore tubular may include an upper section and a lower section mating at a juncture plane defined by a plane transverse to the longitudinal axis of the...
8555764 Perforating gun assembly and method for controlling wellbore pressure regimes during perforating  
A downhole tool gun string assembly comprises a first perforating gun operable to generate a first pressure at a first location in a wellbore, wherein the first perforating gun comprises a first...
8544563 Oil well perforators  
An oil and gas well shaped charge perforator capable of providing an exothermic reaction after detonation is provided, having a housing, a high explosive, and a reactive liner where the high...
8342094 Dissolvable material application in perforating  
A shaped charge includes a charge case; a liner; an explosive retained between the charge case and the liner; and a primer core disposed in a hole in the charge case and in contact with the...
8336437 Perforating gun assembly and method for controlling wellbore pressure regimes during perforating  
A perforating gun assembly for use in a wellbore. The perforating gun assembly includes a carrier gun body and a charge holder disposed within the carrier gun body. A plurality of shaped charges...
8276656 System and method for mitigating shock effects during perforating  
A perforating gun, according to one or more aspects of the present disclosure, comprises a loading tube and a plurality of charges mounted in the loading tube with at least a portion of the...
8167044 Shaped charge  
A perforating apparatus that is usable with a well includes a shaped charge. The shaped charge includes a case, an explosive and a liner. The liner is adapted to form a perforation jet to form a...
8074737 Wireless perforating gun initiation  
A perforating system and method for wellbore perforating. The system comprises a perforating string having a perforating gun with shaped charges, a communication module for receiving detonation...
8061425 System and method for dynamically adjusting the center of gravity of a perforating apparatus  
A perforating apparatus (240) used to perforate a subterranean well. The perforating apparatus (240) includes a generally tubular gun carrier (106) and a charge holder (242) rotatably mounted...
7997353 Through tubing perforating gun  
An apparatus for perforating wells has perforating charges and a means for retaining the perforating charges in a first array The first array has a first maximum cross sectional area; and means...
7987911 Oil well perforators  
An oil and gas well shaped charge perforator is provided comprising a housing, a high explosive, and a liner with a further insert liner where the high explosive is positioned between the liner...
7934558 System and method for dynamically adjusting the center of gravity of a perforating apparatus  
A perforating apparatus (100) used to perforate a subterranean well. The perforating apparatus (100) includes a generally tubular gun carrier (106) and a charge holder (104) rotatably mounted...
7913761 System and method for enhanced wellbore perforations  
A method for perforating a subterranean formation includes positioning a shaped charge and a reactant composite material in a carrier; positioning the carrier in the wellbore; detonating the...
7909115 Method for perforating utilizing a shaped charge in acidizing operations  
A shaped charge includes: a charge case; an explosive disposed inside the charge case; and a liner for retaining the explosive in the charge case, wherein the liner is fabricated from a material...
7828051 Perforating gun  
An improved perforating gun having a tubular housing, a tubular carrier and a charge carried by the tubular carrier. The tubular carrier comprises an inside diameter, an outside diameter and an...
7770662 Ballistic systems having an impedance barrier  
A shaped charge assembly for use in a perforating gun that comprises a shaped charge holder, two or more shaped charges, slots formed to receive the shaped charges, and an impedance barrier...
7762351 Exposed hollow carrier perforation gun and charge holder  
The perforation gun is comprised of a tubular carrier, a charge holder, a plurality of sealed charges, and a detonating cord. The tubular carrier has a length and a plurality of openings. The...
7752971 Adapter for shaped charge casing  
A shaped charge for use with a perforating gun having an adapter that can couple the shaped charge with perforating gun systems of more than one size. An interference fit can couple the adapter to...
7735578 Perforating system with shaped charge case having a modified boss  
A perforating gun having a charge case with a boss element partially circumscribing Optionally the pair of bosses may be included that are substantially symmetric about the axis of the charge...
7621342 Method for retaining debris in a perforating apparatus  
A perforating apparatus (100) includes a plurality of shaped charges (102) each having an initiation end and a discharge end. A detonating cord (116) is operably coupled to the initiation ends of...
7610969 Perforating methods and devices for high wellbore pressure applications  
A carrier tube for use in a wellbore perforating gun has inner and outer layers selected from materials of different, comparative physical properties. The inner layer has a higher compressive...
7493958 Technique and apparatus for multiple zone perforating  
A technique that is usable with a well includes running a production string into the well so that the production string extends through a first isolated zone of the well and at least into a second...
7430965 Debris retention perforating apparatus and method for use of same  
A perforating apparatus (100) includes a plurality of shaped charges (102) each having an initiation end and a discharge end. A detonating cord (116) is operably coupled to the initiation ends of...
7360587 Debris reduction perforating apparatus  
A perforating apparatus (100) includes a plurality of shaped charges (102) each having a case, an initiation end and a discharge end. A detonating cord (116) is operably associated with the...
7360599 Debris reduction perforating apparatus and method for use of same  
A perforating apparatus (100) includes a plurality of shaped charges (102) each having a case, an initiation end and a discharge end. A detonating cord (116) is operably associated with the...
7350448 Perforating apparatus, firing assembly, and method  
A firing assembly for activating a perforating device comprising a module having a first chamber and a second chamber. The firing assembly comprises a firing head for transferring ballistic energy...
7347279 Charge holder apparatus  
An adapter is provided for holding and mounting a shaped charge having a non-standard size into a standard loading tube of a hollow carrier gun. The adapter may include a housing assembly having...
7278484 Techniques and systems associated with perforation and the installation of downhole tools  
A technique to install a tool in a well includes running the tool into the well and fixing the tool to the well with a fixing agent without pumping the fixing agent through a central passageway of...
7237486 Low debris perforating gun system for oriented perforating  
Disclosed herein is a shaped charge assembly for use in a perforating gun. The shaped charge assembly includes a shaped charge combined with a longitudinal spine extending along a portion of a...
7216708 Reactive stimulation of oil and gas wells  
A method and apparatus for stimulating producing strata in oil or gas wells. The formation is penetrated using existing shaped charges, and an oxygen-rich material then is introduced into the...
7195066 Engineered solution for controlled buoyancy perforating  
The weight of a shaped charge carrier is predetermined as a buoyancy control parameter for perforating guns. Each charge carrier comprises a co-axial assembly of inner and outer carrier units....
7159657 Shaped charge loading tube for perforating gun  
The loading tube comprises cups forming cup cavities for enclosing an explosive charge within each of the cups. The loading tube has ridges and valleys providing longitudinal and lateral strength...
7117956 Pipe conveyed explosive with self contained actuation  
A pipe conveyed charge system, for example a junk shot, having a self-contained activating charge which may be activated by mechanical force applied through the pipe. The initiating charge is...
7114564 Method and apparatus for orienting perforating devices  
The present invention provides an apparatus and method of orienting perforating gun strings conveyed on a tool string. One embodiment of the present invention provides an orienting weight provided...
7104326 Apparatus and method for severing pipe utilizing a multi-point initiation explosive device  
A system and method for making and using a multi-point initiation explosive device that produces an enhanced pressure wave for severing tubing, pipe or casing in an oil or gas well. At least two...
7000699 Method and apparatus for orienting perforating devices and confirming their orientation  
The present invention provides an apparatus and method of orienting perforating gun strings. One embodiment of the present invention provides an orienting weight provided in a portion of the...
6991044 High-energy combined well perforating device  
The invention relates to a perforating device comprising one or more perforating gun (1) installed in a perforating body (9), a perforating gun head (2) in the uppermost end of the perforating...
6877562 Oil well perforator  
This invention relates to the field of oil wells and in particular to the explosive and other devices that are used to perforate oil well casings and hydrocarbon bearing rocks in order to create...
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...
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...

Matches 1 - 50 out of 301 1 2 3 4 5 6 7 >