Quotables
"During my service in the United States Congress, I took the initiative in creating the Internet."
Al Gore ; The basis for the later misquote by US Republicans that Gore had "invented" the Internet. Gore was the leading political champion of the modern-day Internet.
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 |
| 7328743 | Toe-to-heel waterflooding with progressive blockage of the toe region A modified toe-to-heel waterflooding (TTHW) process is provided for recovering oil from a reservoir in an underground formation. After establishing the conventional TTHW waterflood, the process includes placing a chemical blocking agent at the watered out producing ... | 02/12/2008 |
| 7324929 | Method and system for simulating a hydrocarbon-bearing formation The invention is a method for simulating one or more characteristics of a multi-component, hydrocarbon-bearing formation into which a displacement fluid having at least one component is injected to displace formation hydrocarbons. The first step of the method is to ... | 01/29/2008 |
| 7308937 | Expandable reamer apparatus for enlarging boreholes while drilling and methods of use An expandable reamer apparatus and methods for reaming a borehole, wherein a laterally movable blade carried by a tubular body may be selectively positioned at an inward position and an expanded position. The laterally movable blade, held inwardly by blade-biasing e... | 12/18/2007 |
| 7303006 | Method for improved vertical sweep of oil reservoirs In a WAG flood oil is displaced from a subterranean formation by injecting water alternately with gas into a single injection completion per pattern. The ratio of water to gas injected is the WAG ratio. In this invention, two separate injection completions are used ... | 12/04/2007 |
| 7264048 | Slot cavity A method for accessing a subterranean zone from the surface includes drilling a substantially vertical well bore from the surface to the subterranean zone and forming a slot cavity in the substantially vertical well bore proximate to the subterranean zone. The slot ... | 09/04/2007 |
| 7234518 | Adjustable well screen assembly An adjustable well screen assembly having a sand screen which is wrapped around a perforated base pipe and a perforated sleeve which is movably disposed concentrically inside the base pipe between a first, closed, and a second, open, position. In the first position ... | 06/26/2007 |
| 7213644 | Cavity positioning tool and method In accordance with the teachings of the present invention, a method is provided for preventing formation of sludge in a subsurface cavity having particulate laden fluid disposed therein. The method includes positioning a downhole device having a fluid agitator into ... | 05/08/2007 |
| 7205263 | Recyclable foamed fracturing fluids and methods of using the same Fracturing fluids and methods of fracturing a subterranean formation using such fluids are provided. A fracturing fluid having a first pH is foamed by introducing a gas to the fluid. The fracturing fluid comprises a surfactant that facilitates formation of the foam ... | 04/17/2007 |
| 7191834 | Foamed cement compositions and associated methods of use A method of cementing in a subterranean formation that comprises providing a foamed cement composition that comprises water, a cement, a gas, and an additive, the additive comprising an anionic foaming agent and at least one of an anionic foam stabilizer or a Zwitte... | 03/20/2007 |
| 7152679 | Downhole tool for deforming an object A downhole tool comprises a body defining a fluid chamber, a fluid outlet for directing fluid outwardly of the chamber, and an arrangement for producing a rapid reduction in the volume of the chamber, such that fluid in the chamber is displaced rapidly through the o... | 12/26/2006 |
| 7104319 | In situ thermal processing of a heavy oil diatomite formation An in situ process for treating a diatomite formation is provided. The process may include providing heat from one or more heaters to at least a portion of the formation. The heat may be allowed to transfer from the one or more heaters to a part of the formation suc... | 09/12/2006 |
| 7100707 | Stabilized soil core samples and method for preparing same An intact core sample from a soil area, such as a golf green or a ball field, is embedded in molded plastic. The core sample first is obtained, and then adhesively bonded together prior to molding it in clear plastic to preserve the soil core sample in an intact and... | 09/05/2006 |
| 7073577 | Array of wells with connected permeable zones for hydrocarbon recovery Hydrocarbons are recovered from a subterranean reservoir by drilling an injection well bore having an outlet in the reservoir and drilling a production well bore spaced apart from the injection well bore and having an inlet in the reservoir. A permeable zone having ... | 07/11/2006 |
| 7066265 | System and method of production enhancement and completion of a well A method of treating and completing a well includes positioning a downhole tool within a well. The downhole tool includes an elongated body defining a central passageway and including a plurality of production openings and at least one frac opening, a frac mandrel d... | 06/27/2006 |
| 7043413 | Method for modeling an arbitrary well path in a hydrocarbon reservoir using adaptive meshing Methods and systems for adapting an unstructured mesh to a modeled space. In one embodiment, a surface is defined in the modeled space, intersections of the surface with the elements of the mesh are determined, and new elements within the intersected elements are de... | 05/09/2006 |
| 7006959 | Method and system for simulating a hydrocarbon-bearing formation The invention is a method for simulating one or more characteristics of a multi-component, hydrocarbon-bearing formation into which a displacement fluid having at least one component is injected to displace formation hydrocarbons. The first step of the method is to ... | 02/28/2006 |
| 6997261 | Conformance improvement additive, conformance treatment fluid made therefrom, method of improving conformance in a subterranean formation For conformance treatment to plug an opening in subterranean hydrocarbon bearing formation, a conformance additive including water soluble crosslinkable polymer, a crosslinking agent, a filter aid that is preferably diatomaceous earth, and optionally a reinforcing m... | 02/14/2006 |
| 6976547 | Actuator underreamer An underreamer for forming a cavity from within a well bore includes a housing adapted to be disposed within the well bore. The underreamer includes an actuator partially slidably positioned in the housing. The actuator comprises a first portion and a second portion... | 12/20/2005 |
| 6962216 | Wedge activated underreamer An underreamer for forming a cavity from within a well bore includes a housing adapted to be disposed within the well bore. The underreamer includes at least one cutter, wherein each cutter has a first end and a second end. The first end of each cutter is pivotally ... | 11/08/2005 |
| 6939833 | Additive for, treatment fluid for, and method of plugging a tubing/casing annulus in a well bore For tubing/casing annulus plug treatment to plug a well, a tubing/casing annulus plug additive including a dry mixture of water soluble crosslinkable polymer, a crosslinking agent, a filter aid, and an optional reinforcing material, preferably of fibers and/or commi... | 09/06/2005 |
| 6941255 | Feature modeling in a finite element model A method for simulating a physical system using finite element techniques, wherein two or more distinct models corresponding to distinct regions within the modeled system are solved, each with a corresponding evaluator. Nodes which lie on the boundaries between the ... | 09/06/2005 |
| 6932158 | Well plug additive, well plug treatment fluid made therefrom, and method of plugging a well For well plug treatment to plug an abandoned well, a well plug additive including a dry mixture of water soluble crosslinkable polymer, a crosslinking agent, and filter aid, and optionally, a reinforcing material preferably of fibers and/or comminuted plant material... | 08/23/2005 |
| 6927194 | Well kill additive, well kill treatment fluid made therefrom, and method of killing a well For well kill treatment to prevent the intrusion of formation fluids into the wellbore while the well is open, a well kill additive including a dry mixture of water soluble crosslinkable polymer, a crosslinking agent, filter aid, and optionally, a reinforcing materi... | 08/09/2005 |
| 6886633 | Bore hole underreamer Provided is a bore hole underreamer, intended in particular for oil drilling. The underreamer has a hollow body and at least two cylindrical bores. The bores are distributed over the circumference of the hollow body and each bore contains a cylindrical widening arm.... | 05/03/2005 |
| 6708763 | Method and apparatus for injecting steam into a geological formation The present invention generally provides a method and apparatus for injecting a compressible fluid at a controlled flow rate into a geological formation at multiple zones of interest. In one aspect, the invention provides a tubing string with a pocket and a nozzle a... | 03/23/2004 |
| 6651742 | Method and apparatus for enhancing oil recovery An apparatus and method for enhancing oil recovery through improved injection well performance is provided, wherein a fluid is injected into the well bore at a pressure Pi, and a downhole fluid-actuated engine and pump assembly is employed as a... | 11/25/2003 |
| 6484805 | Method and apparatus for injecting one or more fluids into a borehole A method and an apparatus for injecting a fluid into a borehole. The method includes the step of injecting an injection fluid into a primary injection zone in a borehole at an injection fluid pressure. The primary injection zone is bounded by a proximal i... | 11/26/2002 |
| 6481500 | Method and apparatus for enhancing oil recovery An apparatus and method for enhancing oil recovery through improved injection well performance is provided, wherein a fluid is injected into the well bore at a pressure Pi, and a downhole fluid-actuated engine and pump assembly is employed as a... | 11/19/2002 |
| 6393906 | Method to evaluate the hydrocarbon potential of sedimentary basins from fluid inclusions A method for evaluating sedimentary basins for hydrocarbon potential using aqueous fluid inclusions. Aqueous fluid inclusions are identified in a rock sample. The homogenization temperatures of the fluid inclusions are determined, the optical spectra of t... | 05/28/2002 |
| 6210073 | Multi-level fluid transfer apparatus, system and process A multi-level fluid transfer system, apparatus and process. In one well bore hole, there are multiple fluid transfer devices positioned to inject a fluid, such as air, at multiple levels in the well bore hole. There are seals between the levels establishi... | 04/03/2001 |
| 6174107 | Device for creation of an oxidation and precipitation zone or a reduction zone in an aquifer The invention refers to a device for creating in an aquifer an oxidation and precipitation zone or a reduction zone between a number of injection wells arranged around one or more extraction wells for purified water, said injection wells each comprising a... | 01/16/2001 |
| 6070663 | Multi-zone profile control There is a provided an apparatus and process for multi-zone profile control in a well including a wellbore intersecting at least one production zone, at least one injection tube, at least one insulation means, and at least one zone isolation means. Contro... | 06/06/2000 |
| 5988278 | Using a horizontal circular wellbore to improve oil recovery A method for increasing the recovery of oil from a subterranean formation having at least one producer wellbore drilled therein, whereby a generally horizontal and generally circular wellbore is drilled so that oil is located between the generally horizon... | 11/23/1999 |
| 5915477 | Enhanced oil recovery technique This invention relates to enhanced oil recovery (EOR) techniques for improving the production economies and recovery efficiency of hydrocarbons from a reservoir after primary depletion has occurred. The reservoir has at least two production strata. At lea... | 06/29/1999 |
| 5755285 | Method for decontaminating soil containing harmful substances and boring head for carrying out the method The invention relates to a method for decontaminating soil containing harmful substances, wherein a number of bore holes (11) are advanced to the areas at the edge of the area (21) of contaminated soil by means of a course controlled boring method, then u... | 05/26/1998 |
| 5722489 | Multipurpose drilling tool The present invention relates to a multipurpose drilling tool that may be cycled between drilling and underreaming operations while situated in a well bore. More specifically, the present invention provides a multi-purpose tool in the form of a housing me... | 03/03/1998 |
| 5622450 | Pressure extraction process for removing soil and groundwater contaminants A pressure extraction process for removal of underground contaminants from subsurface soil and groundwater comprises establishing a well through the unsaturated soil into the underlying groundwater unit, with the well including an exterior pipe having flu... | 04/22/1997 |
| 5464059 | Apparatus and method for supplying fluid into different zones in a formation There is discussed an apparatus for distributing fluid to at least two separate zones having higher (22) and lower (24) injectivity in a ground formation (10) through a pipe element in a well hole (12), where the pipe element by means of upper and lower s... | 11/07/1995 |
| 5377758 | Method for effective placement of a long life scale inhibitor A method for placement of a long life scale inhibitor into a formation where variable density scale inhibitors are utilized. A substantially low density non-reactive fluid is loaded into an interval of the formation to be treated. Afterwards, a high densi... | 01/03/1995 |
| 5363919 | Simultaneous hydraulic fracturing using fluids with different densities Two spaced apart zones of a formation are simultaneously hydraulically fractured. A lower density fracturing fluid is injected into an upper zone of the formation via an annulus of a perforated wellbore communicating with the upper zone thereby causing a ... | 11/15/1994 |
