Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7950462 | Scale inhibitors compatible with sandstone acidizing Methods are given for making scale inhibitors, that were previously incompatible with fluids containing fluoride ion, compatible with fluids containing fluoride ion. Examples of such scale inhibitors include phosphonates and phosphino-polycarboxylates. The method is... | 05/31/2011 |
| 7934556 | Method and system for treating a subterranean formation using diversion A method well treatment includes establishing fluid connectivity between a wellbore and at least one target zone for treatment within a subterranean formation, which is intersected by a wellbore. The method includes deploying coiled tubing into the wellbore and intr... | 05/03/2011 |
| 7916578 | Seismic wave generation systems and methods for cased wells A vibration source (10) includes an armature bar (12) having a major length dimension, and a driver (20A) positioned about the armature bar. The driver (20A) is movably coupled to the armature bar (12), and includes an electromagne... | 03/29/2011 |
| 7913774 | Modular connector and method A modular tool for use in subterranean formations includes a first module, a second module and one or more connectors for connecting the first and second modules. In particular, the first module includes a first collar that at least partially defines an exterior of ... | 03/29/2011 |
| 7896067 | Hydraulically operated protector for downhole devices A tool and its operating procedure are provided to protect any device while lowering into a well, and especially hydraulic devices such as sensors with expandable arms or inflatable elements such as packers. The protection is mainly important in the open hole of hig... | 03/01/2011 |
| 7886835 | High angle water flood kickover tool A kickover tool is for placing and extracting a valve in a mandrel having a tool body extending in a longitudinal direction and having a hydraulic piston chamber therein. A hydraulic piston is located inside the hydraulic piston chamber. A kickover arm portion is me... | 02/15/2011 |
| 7841411 | Use of polyimides in treating subterranean formations A method of treating a subterranean formation penetrated by a wellbore is carried out by forming a treatment fluid comprising an aqueous carrier fluid and a solid-form polyimide homopolymer or copolymer capable of hydrolyzing to form polycarboxylates and/or polycarb... | 11/30/2010 |
| 7840394 | Method for generating a 3D earth model A method is provided for generating an invertible 3D hydrodynamic earth model suitable for defining target characteristics of a subsurface area formed by a plurality of formations and comprising drilling positions of potential and real wells. The method comprises co... | 11/23/2010 |
| 7839719 | Fluid erosion protection washer for rotating shaft in MWD tool A shaft protection washer to protect a rotating shaft in a “measurement while drilling” (MWD) tool. Use of the shaft protection washer renders the rotating shaft less susceptible to erosion from the drilling fluid flowing between the rotating component and the s... | 11/23/2010 |
| 7836961 | Integrated hydraulic setting and hydrostatic setting mechanism A tool includes an integrated hydraulic setting and hydrostatic setting mechanism that has a first part responsive to hydraulic pressure applied through a conduit, and a second part responsive to hydrostatic pressure. An activatable element can be activated by the i... | 11/23/2010 |
| 7810561 | Method and product to consolidate a formation A product is described, the product is in liquid state and comprises: a first electrically non-conductive susceptor; a second electrically conductive susceptor; monomer molecules; and an initiator, suitable to trigger polymerization chain reaction of the monomer mol... | 10/12/2010 |
| 7774184 | Brownfield workflow and production forecast tool Computer-based method and system are disclosed for conduction a brownfield assessment. The system/method involves a workflow manager that standardizes the tasks needed to be performed during the brownfield assessment and streamlines the completion of these tasks. Th... | 08/10/2010 |
| 7678190 | Cement retarder systems, and retarded cement compositions A cement retarder system for use in underground wells included a borate compound, an organophosphonate salt, and a copolymer formed from AMPS and a monomer selected from the group consisting of acrylic acid, acrylamide and mixtures thereof. A method of using the ret... | 03/16/2010 |
| 7661475 | Drill pipe conveyance system for slim logging tool A well logging instrument deployment device includes a housing configured to be coupled to a pipe string. A carrier sub is disposed inside the housing and configured to move longitudinally inside the housing. At least one well logging instrument is coupled to the ca... | 02/16/2010 |
| 7617051 | Method and system for pre-drill pore pressure prediction In general, the invention relates to a method for pore pressure prediction. The method includes obtaining a compressional wave (P-wave) velocity and a shear wave (S-wave) velocity for a pre-drill location, calculating an effective stress at the pre-drilling location... | 11/10/2009 |
| 7540308 | Method of supplying a powdered chemical composition to a wellsite A method of conditioning a compacted polymeric powder to a flowable and meterable state. The polymeric powder is compacted during transport such that the flowability is hindered. To increase flowability, gas is introduced into the polymeric powder to condition the s... | 06/02/2009 |
| 7533731 | Casing apparatus and method for casing or repairing a well, borehole, or conduit A casing apparatus is provided to install a hard, pressure-resistant seal along a wall of a well in situ. The casing apparatus includes a moving device and a deformable tubular sleeve having a first end and a second end and. The moveable element is radially inflatab... | 05/19/2009 |
| 7516015 | System and method for detection of near-wellbore alteration using acoustic data A method for monitoring a formation property includes determining at least two slowness values from at least two datasets each characterizing an acoustic wave having a different frequency traversing a formation; and deriving an indicator based on the at least two sl... | 04/07/2009 |
| 7471089 | Electrode array for marine electric and magnetic field measurements having first and second sets of electrodes connected to respective first and second cables An electrode array for electric and magnetic measurements in a marine environment includes a first set of electrodes connected to a first cable, wherein the first set of electrodes and the first cable are configured to sink to a sea floor in the marine environment; ... | 12/30/2008 |
| 7462781 | Electrical cables with stranded wire strength members Disclosed are high strength wellbore electric cables, which are formed from a plurality of strength members. The strength members are formed from several stranded filament wires which may be encased within a jacket of polymeric material. The strength members may be ... | 12/09/2008 |
| 7461695 | System and method for creating packers in a wellbore A system and method is provided for creating a packer in a wellbore for utilization in a variety of wellbore applications. The packer is created by flowing a slurry of particular matter and liquid to a desired location. At the desired location, the slurry is dehydra... | 12/09/2008 |
| 7461547 | Methods and apparatus of downhole fluid analysis Methods and apparatus for downhole analysis of formation fluids by isolating the fluids from the formation and/or borehole in a pressure and volume control unit that is integrated with a flowline of a fluid analysis module and determining fluid characteristics of th... | 12/09/2008 |
| 7460435 | Acoustic transducers for tubulars Acoustic transducers configured with transducer elements disposed on an arch or arcuate shaped member adapted to fit in juxtaposition around a tubular. The arcuate shaped member is adapted with conductors to provide a voltage to the transducer elements. One embodime... | 12/02/2008 |
| 7459907 | Flow measurement using NMR A nuclear magnetic resonance (NMR) method is used to determine a velocity distribution or velocity image of a flowing fluid in a downhole environment. The method comprises applying a radio frequency pulse sequence; applying a magnetic field gradient magnetic field a... | 12/02/2008 |
| 7459019 | Cement compositions for high temperature applications In a process to design high temperature cement sluries, the temperature stable phases (anorthite, wairakite) are selected; aluminum modifiers and silica oxides are added to the dry cement so that the elemental composition of the blend corresponds to the phases selec... | 12/02/2008 |
| 7458424 | Tight formation water shut off method with silica gel A delayed gelling system useful in conformance control in the production of petroleum from subterranean formations, especially low permeability formations, is disclosed. The gelling system comprises a basic silica sol, an activator comprising a hydroxyl donor, and a... | 12/02/2008 |
| 7458423 | Method of sealing an annulus surrounding a slotted liner A method of forming a seal circumferentially about a liner having pre-formed openings that is positioned in a wellbore includes the steps of running a perforating device and a seal applicator into the slotted liner, the seal applicator carrying a sealing fluid and a... | 12/02/2008 |
| 7458420 | Downhole measurement system and method A system and method is provided to measure a pressure or other characteristic at a source (e.g. a hydraulic power supply) and in or near a downhole tool. A comparison of the measurements is then made to verify that the system is operating according to desired parame... | 12/02/2008 |
| 7458419 | Apparatus and method for formation evaluation A probe assembly samples fluid from a wellbore penetrating a subsurface formation having a virgin fluid therein beyond a layer of contaminated fluid surrounding the wellbore. The probe assembly includes a probe body extendable from a downhole tool, and a packer carr... | 12/02/2008 |
| 7458258 | Methods and apparatus for oil composition determination A method for determining properties of a formation fluid is provided and includes: obtaining fluid data related to Carbon-Hydrogen molecular bonds in C6+ from a fluid analyzer; and considering the fluid data to calculate mass fractions of hydrocarbon flowing ... | 12/02/2008 |
| 7458257 | Downhole measurement of formation characteristics while drilling A method for determining a property of formations surrounding an earth borehole being drilled with a drill bit at the end of a drill string, using drilling fluid that flows downward through the drill string, exits through the drill bit, and returns toward the earth'... | 12/02/2008 |
| 7458252 | Fluid analysis method and apparatus A fluid analysis assembly for analyzing a fluid the fluid analysis assembly includes a chamber, a fluid movement device, a pressurization assembly and at least one sensor. The chamber defines an evaluation cavity for receiving the fluid. The fluid movement device ha... | 12/02/2008 |
| 7457707 | Method for determining an effective formation conductivity for induction log borehole correction A method for correcting induction conductivity well log measurements for conductivity of a wellbore and a formation proximate the wellbore includes estimating an effective formation conductivity for the formation proximate the wellbore from measurements made by an i... | 11/25/2008 |
| 7455115 | Flow control device A choke that is usable with a well includes an inlet port and an outlet port. The choke also includes pressure drop stages between the inlet port and the outlet port. Each of the pressure drop stages is adapted to create part of an overall pressure differential betw... | 11/25/2008 |
| 7455114 | Snorkel device for flow control The present invention provides for the operation of a downhole flow control device using a snorkel tube. ... | 11/25/2008 |
| 7455106 | Polymer protective coated polymeric components for oilfield applications An oilfield element or assembly having a polymeric substrate protected by a polymeric coating adhered to at least a portion of the polymeric substrate. The coating includes a polymer having the formula —[R(R1x)(R2y)]—,... | 11/25/2008 |
| 7455104 | Expandable elements A method and apparatus includes providing an element formed of a superplastic material to perform a predetermined downhole task. In another arrangement, a method and apparatus includes a flowable element and a deformable element that can be expanded by flowing the f... | 11/25/2008 |
| 7451825 | Annular choke An apparatus that is usable with a well includes a tubular member, an annular body and plugs. The tubular member includes a wall that defines a passageway to communicate a fluid, and an opening extends through the well. The annular body circumscribes the wall, and t... | 11/18/2008 |
| 7451819 | Openhole perforating An underbalanced perforating system is disclosed for use in openhole completions to maximize the wellbore and matrix cleanup efficiency, to connect natural fracture patterns, and/or to enable application of new drilling fluid technology in difficult subsurface envir... | 11/18/2008 |
| 7451812 | Real-time automated heterogeneous proppant placement A system and a method for heterogeneous proppant placement in a fracture (12) in a subterranean formation (18) are disclosed. The system includes a delivery system (10) for delivering proppant and treatment fluid to the fracture (12), a s... | 11/18/2008 |
