Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 8122949 | Tapered sleeve and fracturing head system for protecting a conveyance string A tapered sleeve and fracturing head system for introducing fracturing fluid to a wellbore, while protecting a conveyance string from the erosive effects of the fracturing fluid is disclosed. A tapered sleeve has a top portion and a tapered downhole portion. The sle... | 02/28/2012 |
| 8100175 | Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing same Fracturing heads with one or more replaceable wear-resistant inserts have annular sealing elements for inhibiting fracturing fluids from circulating between the inserts and a main body of the fracturing head. Worn inserts and degraded sealing elements are easily rep... | 01/24/2012 |
| 8091630 | Apparatus and method for recovering fluids from a well and/or injecting fluids into a well Methods and apparatus for diverting fluids either into or from a well are described. Some embodiments include a diverter conduit that is located in a bore of a tree. The invention relates especially but not exclusively to a diverter assembly connected to a wing bran... | 01/10/2012 |
| 8047278 | Hydraulic connector apparatuses and methods of use with downhole tubulars A method to connect a lifting assembly to a bore of a downhole tubular includes providing a communication tool to a distal end of the lifting assembly, the communication tool comprising a body assembly, an engagement assembly, a valve assembly and a seal assembly, s... | 11/01/2011 |
| 8020615 | Truck-mounted pumping system for treating a subterranean formation via a well with a mixture of liquids An efficient truck-mounted injection system for injecting a combined aqueous or hydrocarbon-based liquid stream and a liquid carbon dioxide stream via a well into a subterranean formation. ... | 09/20/2011 |
| 8016031 | Erosion resistant frac head An erosion resistant frac head with a convergence chamber, an expansion chamber and a mixing chamber provides improved resistance to erosion caused by abrasive frac fluids pumped through the frac head. A bottom leg of the erosion resistant frac head may be replaced ... | 09/13/2011 |
| 8006753 | Hydraulic connector apparatuses and methods of use with downhole tubulars A tool to direct a fluids from a lifting assembly and a bore of a downhole tubular includes an engagement assembly configured to selectively extend and retract a seal assembly disposed at a distal end of the tool into and from a proximal end of the downhole tubular ... | 08/30/2011 |
| 8002028 | Hydraulic connector apparatuses and methods of use with downhole tubulars A hydraulic connector to provide a fluid tight connection between a fluid supply and a downhole tubular includes an engagement assembly configured to extend and retract a seal assembly disposed at a distal end of the hydraulic connector into and from a proximal end ... | 08/23/2011 |
| 7992635 | System and apparatus for sealing a fracturing head to a wellhead A wear-resistant sealing system for introducing fracturing fluids to a wellhead comprising a tubular connector having a retaining shoulder and bridging a flange interface created between a frachead and a lower tubular structure. The tubular connector has upper and l... | 08/09/2011 |
| 7934546 | Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing same Fracturing heads with one or more replaceable wear-resistant inserts have annular sealing elements for inhibiting fracturing fluids from circulating between the inserts and a main body of the fracturing head. Worn inserts and degraded sealing elements are easily rep... | 05/03/2011 |
| 7913754 | Wellhead assembly and method for an injection tubing string A wellhead assembly for an injection tubing string is provided which allows a master valve to be closed without damaging the injection tubing string while still allowing for the use of a back pressure valve to isolate the tree. Wellhead assemblies and related method... | 03/29/2011 |
| 7841394 | Method and apparatus for centralized well treatment A method of communicating between a central location and multiple well locations is disclosed that includes the steps of stimulating a first well from the central location using a first stimulation fluid through a first fluid line; and simultaneously stimulating a s... | 11/30/2010 |
| 7789133 | Erosion resistant frac head An erosion resistant frac head with a convergence chamber, an expansion chamber and a mixing chamber provides improved resistance to erosion caused by abrasive frac fluids pumped through the frac head. A bottom leg of the erosion resistant frac head may be replaced ... | 09/07/2010 |
| 7694731 | Truck-mounted pumping system for treating a subterranean formation via a well with a mixture of liquids An efficient truck-mounted injection system for injecting a combined aqueous or hydrocarbon-based liquid stream and a liquid carbon dioxide stream via a well into a subterranean formation. ... | 04/13/2010 |
| 7690422 | Drill-string connector A connector (10) which provides a fluid tight connection between a fluid supply and a drill-string (4), the connector (10) comprising a piston-rod (20) and a cylinder (15), the piston-rod (20) having a seal at or towards its... | 04/06/2010 |
| 7665515 | Casing and drill pipe filling and circulating method An apparatus is disclosed for adapting a combination of well tubulars in a string to accept a single filling and circulation apparatus and to eliminate the need for bails and elevators. In addition an adapter and a new filling and circulation apparatus are disclosed... | 02/23/2010 |
| 7654314 | Chemical delivery system for plunger lift An improvement in a chemical delivery system for a plunger lift for enhancing oil and gas recovery in a well having a well head and which employs a plunger includes a chamber communicably connected to a top of the well head and operably disposed thereon and includin... | 02/02/2010 |
| 7644756 | Oil recovery by injection of steam, carbon dioxide and nitrogen Equipment for oil recovery can include three systems: a steam system, a carbon dioxide system and a nitrogen system. The three systems can include one or more of a steam pressure regulator, a steam thermometer, a steam pressure gauge, a steam flowmeter, a carbon dio... | 01/12/2010 |
| 7628201 | Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing same Fracturing heads with one or more replaceable wear-resistant inserts have annular sealing elements for inhibiting fracturing fluids from circulating between the inserts and a main body of the fracturing head. Worn inserts and degraded sealing elements are easily rep... | 12/08/2009 |
| 7600564 | Coiled tubing swivel assembly A coiled tubing swivel assembly is provided that includes a mandrel for attachment to a pump, and a hub rotatably attached to the mandrel and for attachment to an end of a string of coiled tubing. The mandrel and the hub together form a conduit for passage of a pump... | 10/13/2009 |
| 7478673 | Frac head including a mixing chamber An improved frac head includes a mixing chamber located in an internal bore downstream of an intercept between the side ports and the internal bore and upstream of a tapered vortex portion of the bore. The tapered vortex reduces the diameter of the bore from a first... | 01/20/2009 |
| 7426959 | Systems and methods for producing oil and/or gas A system including a mechanism for recovering oil and/or gas from an underground formation, the oil and/or gas comprising one or more sulfur compounds; a mechanism for converting at least a portion of the sulfur compounds from the recovered oil and/or gas into a car... | 09/23/2008 |
| 7424916 | Flameless hot oiler A flameless heating system comprising: at least one engine, each engine including a coolant for removing heat from the engine and each engine producing exhaust; a loading means for loading the engine; a heat exchange system, the heat exchange system comprising: a he... | 09/16/2008 |
| 7413008 | Tool for fluid filling and circulation during oilfield well tubing A tool for use in wells to maintain a tubed pipe filled with drilling fluid supplied by a well and to circulate the fluid through a well-pipe space, the tool facilitating sliding of tubes and producing cementation of the space. The tool can be intercalated with dril... | 08/19/2008 |
| 7409995 | Apparatus and method for washing tubular conduits during trip out of a conduit string from within a subterranean well An apparatus for washing undesirable matter off of the exterior of tubular conduits forming a conduit string during trip out of the conduit string within a subterranean well. The tubular conduits may be drill or workover pipe, or the like. A cylindrical housing has ... | 08/12/2008 |
| 7389814 | Heat exchange compressor An apparatus and process for simultaneously compressing liquids and gases and exchanging the heat of compression with fluids which may be the same liquids and gasses compressed. An apparatus and process for heating maintenance fluids using heat generated when the li... | 06/24/2008 |
| 7353832 | Housingless washer An industrial parts washer includes a stand adapted to support a part, a chamber selectively movable from a first position clear of the part to a second position engaging the stand where the chamber forms a closed volume encapsulating the part. A nozzle is positione... | 04/08/2008 |
| 7353875 | Centrifugal blending system The present invention relates generally to well servicing operations, and, more particularly, to devices, systems and methods useful in stimulation blending for fluids, mixtures, and/or slurries used in well servicing operations. A device, system and/or method is pr... | 04/08/2008 |
| 7350571 | Methods of preparing and using coated particulates The present invention involves methods of preparing coated particulates and using such coated particulates in subterranean applications such as production enhancement and sand control. One embodiment of the present invention provides a method of preparing coated par... | 04/01/2008 |
| 7347286 | Drill string valve assembly A drill string valve assembly includes a tubular valve body, including an outer surface and an inner bore for housing a valve mechanism to control fluid flow through the bore; and an axial load support releasably securable to the outer surface of the valve body, the... | 03/25/2008 |
| 7318476 | Automatic chemical treatment system with integral flush fluid dispenser A wellbore chemical treating system includes a pressure vessel for containing a treating chemical. The pressure vessel is closed to atmospheric pressure. A first controllably operated valve is disposed in direct fluid communication between an outlet of the pressure ... | 01/15/2008 |
| 7308934 | Fracturing isolation sleeve An apparatus operatively coupled to a well having a production casing positioned therein, the apparatus including a first device having and internal bore, a second device having an internal bore, and a fracture isolation sleeve disposed at least partially within the... | 12/18/2007 |
| 7294222 | External pipe cleaner Disclosed is a pipe cleaner apparatus that is attached to a pipe fusion machine. The pipe cleaner removes dirt, snow, mud, and other debris from the outer surface of pipe sections prior to the butt fusion process. The pipe cleaner may be a wiper through which the pi... | 11/13/2007 |
| 7290612 | Apparatus and method for reverse circulation cementing a casing in an open-hole wellbore The present invention is directed to an apparatus and method for reverse circulation cementing a casing in an open-hole wellbore. The apparatus includes a surface pack-off device, which has a housing defined by an upper section and lower section. A load bearing plat... | 11/06/2007 |
| 7290611 | Methods and systems for cementing wells that lack surface casing Methods and systems for cementing casing in well bores drilled in subterranean formations, and more particularly, methods and systems for cementing casing in a well bore without surface casing or a well head are provided. A method provided herein may comprise sealin... | 11/06/2007 |
| 7281593 | Method for the circulation of gas when drilling or working a well A method for the circulation of gas when drilling or working a well. The method includes the step of pressurizing at least two chambers of a multi-chambered accumulator with inert gas. The chambers of the multi-chambered accumulator are operatively connected to one ... | 10/16/2007 |
| 7278477 | Cup tool, cup tool cup and method of using the cup tool A cup tool includes a cup tool tube having a threaded upper end for connection to a high-pressure mandrel, an outer surface over which an elastomeric cup is slidably mounted for reciprocal movement from an unset position for entry into a wellbore to a set position i... | 10/09/2007 |
| 7278490 | Blast joint swivel for wellhead isolation tool and method of using same A blast joint swivel for use in a wellhead isolation tool includes a blast joint hanger mounted to a top of the wellhead isolation tool and a swivel body rotatably received in the blast joint hanger. The swivel body threadedly connects to a blast joint, which in tur... | 10/09/2007 |
| 7252146 | Methods for preparing slurries of coated particulates Methods are provided that include a method of creating a stable slurry of coated particulates wherein the slurry is capable of being stored for at least 2 hours before use comprising the steps of: providing resin coated particulates wherein the resin comprises a res... | 08/07/2007 |
| 7243733 | Cup tool for a high-pressure mandrel and method of using same A cup tool includes a cup tool tube having a threaded upper end for connection to a high-pressure mandrel. The cup tool has an outer surface over which an elastomeric cup is slidably mounted for movement from an unset position for entry into a wellbore to a set posi... | 07/17/2007 |
