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| Number | Title | Issue Date |
| 7347264 | Methods and compositions for well completion in steam breakthrough wells Methods of steam flooding for stimulating hydrocarbon production are provided. In general, the methods comprise the steps of: (A) injecting a mutual solvent preflush fluid capable of dissolving oil into the near-wellbore region of at least a portion of a wellbore; (... | 03/25/2008 |
| 7331390 | Compositions and methods for plugging and sealing a subterranean formation The invention provides for a composition for treating a subterranean formation, the composition comprising: a) a crosslinkable water-soluble polymer comprising at least one acylated amine unit; and b) a crosslinkable water-soluble polymer comprising a functional gro... | 02/19/2008 |
| 7316273 | Methods and compositions for enhancing hydrocarbon production The invention provides a composition for use in a subterranean formation penetrated by a wellbore, the composition comprising: a) a solvent consisting essentially of a water-soluble solvent selected from the group consisting of any solvent that is at least 25% by we... | 01/08/2008 |
| 7299877 | Methods for effecting controlled break in pH dependent foamed fracturing fluid The invention provides a fluid for use in a subterranean formation penetrated by a wellbore, the fluid comprising: (a) water; (b) an orthoester; and (c) a surfactant comprising a tertiary alkyl amine ethoxylate generally represented by the following formula: ... | 11/27/2007 |
| 7296625 | Methods of forming packs in a plurality of perforations in a casing of a wellbore The invention provides a method of forming packs in a plurality of perforations in a casing of a wellbore, the method comprising the steps of: (a) forming a plug of a plugging particulate material in the wellbore of the casing, wherein the plug covers at least one p... | 11/20/2007 |
| 7290614 | Methods for effecting controlled break in pH dependent foamed fracturing fluid The invention provides a fluid for use in a subterranean formation penetrated by a wellbore, the fluid comprising: (a) water; (b) delayed release acid; (c) a surfactant comprising a tertiary alkyl amine etboxylate generally represented by the following formula: ... | 11/06/2007 |
| 7186094 | Method and apparatus for measuring work performed by a compressor An apparatus and method for monitoring a reciprocating member of a reciprocating piston compressor is presented. The apparatus and method provide a means for measuring parameters of the reciprocating member, such as road load or cross-head temperature and the like, ... | 03/06/2007 |
| 7182136 | Methods of reducing water permeability for acidizing a subterranean formation The present invention provides a method of stimulating a subterranean formation penetrated by a well. The formation has a water-bearing section and a hydrocarbon-bearing section. The method includes the steps of: (a) introducing into the formation an aqueous treatme... | 02/27/2007 |
| 7128148 | Well treatment fluid and methods for blocking permeability of a subterranean zone The present invention provides a method and treatment fluid for blocking the permeability of an elevated-temperature zone in a reservoir of a subterranean formation penetrated by a wellbore, the method comprising the steps of: a) selecting the zone to be treated, wh... | 10/31/2006 |
| 7104328 | Method and apparatus for hydrating a gel for use in a subterranean well The present invention relates to a method and system for hydrating a gel for treating a wellbore penetrating a subterranean formation. The method includes directing a base fluid through an inlet into a mixer having an inner chamber housing a plurality of impellors e... | 09/12/2006 |
| 7093659 | Controlling chlorite or hypochlorite break rate of well treatment fluids using magnesium or calcium ions Methods and compositions are provided for treating a subterranean formation penetrated by a well. The method includes the steps of: (a) forming a treatment fluid, and (b) introducing the treatment fluid into the well and into contact with the formation. The treatmen... | 08/22/2006 |
| 7048432 | Method and apparatus for hydrating a gel for use in a subterranean formation The present invention relates to a method and system for hydrating a gel for treating a wellbore penetrating a subterranean formation. The method includes directing a base fluid through an inlet into a mixer having an inner chamber housing a plurality of impellers e... | 05/23/2006 |
| 7036590 | Two stage subterranean zone fracturing fluids and methods The present invention discloses two stage subterranean zone fracturing fluids and methods. A two stage subterranean zone fracturing fluid of the invention comprises a first stage fluid comprising a foamed liquid containing a water soluble gel breaker and a second st... | 05/02/2006 |
| 7021383 | Subterranean treatment fluids and methods of using these fluids to stimulate subterranean formations The present invention provides fluid compositions comprising water and a formate ester, and methods of using these fluids in subterranean formations. Optionally, other additives may be added. ... | 04/04/2006 |
| 7013974 | Methods of treating subterranean zones using gelled aqueous treating fluids containing environmentally benign sequestering agents Methods of treating subterranean zones using gelled aqueous treating fluids containing environmentally benign sequestering agents are provided. The methods basically comprise the steps of preparing or providing a treating fluid comprising water containing divalent m... | 03/21/2006 |
| 7007752 | Well treatment fluid and methods with oxidized polysaccharide-based polymers The present invention provides a well treatment fluid for use in a well, the well treatment fluid comprising water; an amine-based polymer; an polysaccharide-based polymer; and an oxidizing agent that is capable of at least partially oxidizing at least the polysacch... | 03/07/2006 |
| 6763108 | Apparatus and method for line pair testing and fault diagnostics A line pair testing and fault diagnostic apparatus implementing three-terminal measurement techniques using a multiple frequency source waveform transmission to propagate a reflected waveform. The apparatus implements a microcomputer circuit executing a program. The... | 07/13/2004 |
| 6751923 | Roof deck termination structure A roof transition assembly for a roof deck having a corrugated sheet and a rigid sheet wherein a base component is positioned at the perimeter of the roof deck and has two legs. The first leg secures the base component to the corrugated sheet, and the second leg ext... | 06/22/2004 |
| 6680028 | Portable air purifier apparatus and system A portable air purifier system and apparatus which includes a multi-element filter pack that is replaceable as a single unit, thus facilitating health safety of maintenance personnel. By serially disposing filter elements in order of descending sizes of p... | 01/20/2004 |
| 6676951 | Host-guest processes and formulations for delivering bio-affecting compounds The invention relates to processes of making a composition having a host compound capable of accepting one or more bio-affecting guest compounds, and compositions formed by the processes. The processes comprise mixing, in any order: (i) a non-ionic surfac... | 01/13/2004 |
| 6612230 | Truss assembly and splicing method and apparatus In accordance with the principles and concepts of the invention, apparatus and methods for assembling pre-cut members into trusses and joists and splicing pre-cut members into truss chords are presented. According to the invention, a splicing apparatus fo... | 09/02/2003 |
| 6601366 | Tag insertion device for a bag tyer An attachment for supplying printed tabs or tags to a bag neck tying device for tying a ribbon dispensed from a spool about a gathered neck and the printed tag.... | 08/05/2003 |
| 6595011 | Water cooled air conditioner An air conditioner having a compressor, refrigerant condenser coil and accumulator submerged in water in a water tank, wherein the water is cooled by evaporative cooling when air is drawn through water sprayed into an air inlet duct communicating with the... | 07/22/2003 |
| 6560858 | Truss table apparatus with automatic truss movement assembly and method A truss assembly apparatus and method for assembling a truss utilizing the apparatus are presented, the apparatus comprising a truss table having a work surface with a first and second assembly zone. A first clamping assembly has a movable first clamp rai... | 05/13/2003 |
| 6527114 | Connector plate package and method The invention is directed to a connector plate packaging system and method of packaging connector plates for storage and transport. Each connector plate has a planar base with a plurality of teeth extending from the front face thereof. The package compris... | 03/04/2003 |
| 6520909 | Adjustable tongue blade holder for endoscope The present invention contemplates a new device for adjustably attaching a tongue blade to an endoscope. In general, the device secures a tongue blade holder to the body of an endoscope and permits adjustment of the angle of the tongue blade with respect ... | 02/18/2003 |
| 6494901 | Tanning bed Tanning bed apparatus is provided for providing a person with an artificial sun tan. The apparatus includes a lower tanning unit and an upper tanning unit that is moveable between an open and a closed position where the units together form a tanning chamb... | 12/17/2002 |
| 6468024 | Apparatus and method for orienting and stacking generally planar workpieces Disclosed are machines and methods of orienting and stacking a stream of workpieces when it is desirable to stack at lease some of the workpieces in a face-to-face or back-to-back orientation. The apparatus has a receiving assembly for receiving a continu... | 10/22/2002 |
| 6364673 | Electrical outlet cover An electrical outlet cover having a pair of floating socket covers which are resiliently urged toward a first position wherein holes in the floating socket covers are not aligned with holes in the electrical outlet. The floating socket cover must be rotat... | 04/02/2002 |
| 6273773 | Scuba diver's marker buoy and dry box A dive buoy/dry box assembly comprising a hollow canister-like main float assembly having a hinged latchable air-tight sealing lid, a collapsible marker flat and mast removably attached to the lid, a collapsible staff and ballast weight removably attached... | 08/14/2001 |
| 6263645 | Vertical bagger A method of filling and closing a bag comprising the steps of: delivering an air jet for opening a bag; moving a pair of horns into the open bag for engaging inner surfaces of the bag; filling the bag; moving a bag transfer mechanism having spaced pinch belts into ... | 07/24/2001 |
| 6259064 | Concentric air delivery and return oven An impingement heat transfer device for transferring heat between a stream of temperature controlled air and a product wherein an air supply duct and an air return duct have a common wall. A tube has one end communicating with the inside of the air supply... | 07/10/2001 |
| 6250036 | Sound control system for steel roof decks A steel roof deck diaphragm to provide structural rigidity to a building wherein loads of varying intensity can cause movement of structural members, which tends to generate noise when two members rub or work against each other. Corrugated sheets of high ... | 06/26/2001 |
| 6241638 | Fold-up exercise treadmill and method A fold-up treadmill apparatus for in-place walking, jogging, and running exercise is provided. The treadmill apparatus includes a base assembly and a treadmill assembly. The treadmill assembly has a forward end and a rearward end. According to the present... | 06/05/2001 |
| 6227311 | Drill pipe guiding apparatus for a horizontal boring machine method Drill pipe guide apparatus provided for use in conjunction with a pipeline drilling rig as used in drilling substantially horizontal holes for pipe to pass beneath natural or man-made obstruction has a "Vee" shaped trough extending longitudinally from an ... | 05/08/2001 |
| 6168803 | Process for preparing rigid animal feedblocks A process for preparing animal fee blocks requiring minimum physical compression which consists of adding an aqueous feed mixture to dry or semi-moist nutritive ingredients and at least one alkaline earth metal oxide. The resulting non-pourable and non-pu... | 01/02/2001 |
| 6164582 | Enhanced storage system for electrical appliances, powercords and adapters A storage system is provided for organizing, handling, and storing small electrical appliances with powercords and adapters, in an orderly and efficient manner for ease of access, and especially for handling and storing loose powercords. The system compri... | 12/26/2000 |
| 6139568 | Tanning bed Tanning bed apparatus is provided for providing a person with an artificial sun tan. The apparatus includes a lower tanning unit and an upper tanning unit that is moveable between an open and a closed position where the units together form a tanning chamb... | 10/31/2000 |
| 6126986 | Process for formulating a liquid animal feed ingredient containing sugar and neutralized carboxylic acid The present invention provides a process that can utilize aqueous sugar-bearing sources, including food commodities, food-processing by-products, fermentation by-products, or other industrial by-products, in the making of a liquid animal feed ingredient t... | 10/03/2000 |
| 6110076 | Fold-up exercise treadmill and method A fold-up treadmill apparatus for in-place walking, jogging, and running exercise is provided. The treadmill apparatus includes a base assembly and a treadmill assembly. The treadmill assembly has a forward end and a rearward end. According to the present... | 08/29/2000 |
