| Patent Number |
Title Of Patent |
Date Issued |
| 7595280 |
Delayed tackifying compositions and associated methods involving controlling particulate migrati |
September 29, 2009 |
| Delayed tackifying compositions are provided for reducing particulate migration in subterranean formations, the compositions comprising an aqueous tackifying agent and a delayed-acid releasing activator. |
| 7594763 |
Fiber optic delivery system and side pocket mandrel removal system |
September 29, 2009 |
| A fiber optic delivery system and side pocket mandrel removal system. In one example, a system for making optical connections in a well includes an optical connector positioned in the well, and another optical connector displaceable into operative connection with the first optical co |
| 7594434 |
Downhole tool system and method for use of same |
September 29, 2009 |
| A downhole tool system includes a downhole tool operably positionable within a wellbore and a sensor positioned within the downhole tool. The sensor has a first mode and a second mode. In the first mode, the sensor is responsive to RF interrogation. In the second mode, the sensor is not |
| 7591343 |
Apparatuses for generating acoustic waves |
September 22, 2009 |
| An example apparatus for generating acoustic waves is disclosed. The example apparatus includes a housing, and at least one plate having a moment arm, wherein each plate couples to the housing. The example apparatus for generating acoustic also includes at least one axial driver coup |
| 7591318 |
Method for removing a sealing plug from a well |
September 22, 2009 |
| A method for removing a sealing plug from a casing or a wellbore according to which a sealing plug is adapted to expand into engagement with the casing or the wellbore. A wireless signal is sent to the plug to cause the plug to lose its structural integrity and fall to the bottom of the |
| 7591313 |
Methods of treating particulates and use in subterranean formations |
September 22, 2009 |
| Provided are methods of modifying the surface stress-activated reactivity of proppant particulates used in subterranean operations. In one embodiment, the methods comprise: providing a plurality of particulates, at least one of which comprises a mineral surface; providing a surface-t |
| 7589048 |
Methods and compositions for reducing the production of water and stimulating hydrocarbon produc |
September 15, 2009 |
| The present invention relates to subterranean treatment fluids, and more particularly, the present invention relates to subterranean treatment fluids comprising relative permeability modifiers and methods for using such subterranean treatment fluids in subterranean operations to reduce |
| 7588082 |
Downhole tool position sensing system |
September 15, 2009 |
| A downhole tool includes a mandrel, an inner sleeve, and an outer housing. The inner sleeve being rotatable relative to the outer housing and the mandrel being rotatable relative to the inner sleeve and the outer housings. The outer surface of the inner sleeve includes more than one |
| 7587373 |
Neural network based well log synthesis with reduced usage of radioisotopic sources |
September 8, 2009 |
| Logging systems and methods are disclosed to reduce usage of radioisotopic sources. Some embodiments comprise collecting at least one output log of a training well bore from measurements with a radioisotopic source; collecting at least one input log of the training well bore from mea |
| 7585819 |
Methods for producing a guar gum comprising undehusked guar and for using the guar gum in treati |
September 8, 2009 |
| A method is provided for producing a guar gum powder, the method comprising the steps of: (a) flaking undehusked guar splits; and (b) grinding the flaked, undehusked guar splits to obtain guar gum powder. According to another aspect of the invention, a method is provided for treating |
| 7585818 |
Nonnatural galactomannans and methods of use |
September 8, 2009 |
| Methods comprising: providing a treatment fluid comprising: an aqueous base fluid and a gelling agent that comprises a nonnatural galactomannan; and placing the treatment fluid into the subterranean formation. Treatment fluids suitable for use in a subterranean treatment operation co |
| 7584795 |
Sealed branch wellbore transition joint |
September 8, 2009 |
| A sealed branch wellbore transition joint. A method of completing a well having intersecting wellbores includes the steps of: positioning a diverter in a wellbore; diverting an assembly from the wellbore into another wellbore; and swelling a sealing material on the assembly, so that |
| 7584792 |
Plug systems and methods for using plugs in subterranean formations |
September 8, 2009 |
| A method of cementing a casing string in a subterranean well bore. An exemplary embodiment of a method includes injecting a cement composition into a casing string, and deploying within the casing string at least one cementing plug having an outer body and a detachable inner mandrel |
| 7584791 |
Methods for reducing the viscosity of treatment fluids comprising diutan |
September 8, 2009 |
| Methods are provided that include a method comprising providing a treatment fluid comprising a base fluid and a gelling agent that comprises a diutan composition; providing a breaker that comprises an acid composition; allowing the breaker to interact with the treatment fluid; and al |
| 7584655 |
Formation tester tool seal pad |
September 8, 2009 |
| A formation tester tool includes a formation tester tool body having a surface, a formation probe assembly located within the formation tester tool body, the formation probe assembly including a piston reciprocal between a retracted position and an extended position beyond the surface |
| 7582590 |
Subterranean treatment fluids, friction reducing copolymers, and associated methods |
September 1, 2009 |
| Methods of treating a portion of a subterranean formation comprising: providing an aqueous treatment fluid comprising an aqueous fluid and a friction reducing copolymer that comprises acrylamide and 2-(2-ethoxyethoxy)-ethyl acrylate and introducing the aqueous treatment fluid into th |
| 7581435 |
Method and apparatus for acquiring physical properties of fluid samples at high temperatures and |
September 1, 2009 |
| Embodiments of the present invention are directed to an apparatus for acquiring physical properties of a fluid sample at high temperatures and pressures. The apparatus comprises a sample manifold, one or more pressure intensifiers to push or pull a sample through the sample manifold, |
| 7580796 |
Methods and systems for evaluating and treating previously-fractured subterranean formations |
August 25, 2009 |
| Methods, computer programs, and systems for evaluating and treating previously-fractured subterranean formations are provided. An example method includes, for one or more of the one or more layers, determining whether there are one or more existing fractures in the layer. The method |
| 7579841 |
Standoff compensation for imaging in oil-based muds |
August 25, 2009 |
| Oil-based mud imaging systems and methods having standoff compensation. In some embodiments, disclosed logging systems include a logging tool in communication with surface computing facilities. The logging tool is provided with a sensor array having at least two voltage electrodes po |
| 7579302 |
Friction reducer performance by complexing multivalent ions in water |
August 25, 2009 |
| Embodiments relate to improving the performance of anionic friction reducing polymers in water containing multivalent ions. Exemplary embodiments relate to methods of improving the performance of anionic friction reducing polymers in a subterranean treatment, wherein the method compr |
| 7576042 |
Salt water stable latex cement slurries |
August 18, 2009 |
| A method of servicing a wellbore comprising preparing a cement slurry by premixing at least one latex, at least one stabilizer, and optionally water to form a homogeneous solution, further mixing the homogeneous solution with an ionic compound, cement, and optionally additional water |
| 7576040 |
Cement compositions comprising humic acid grafted fluid loss control additives |
August 18, 2009 |
| Exemplary embodiments of the cement compositions comprise water, a cement, and a fluid loss control additive, the fluid loss control additive comprising a graft copolymer. The graft copolymer comprises a backbone and at least four grafted monomers selected from the group consisting of |
| 7575062 |
Methods and devices for treating multiple-interval well bores |
August 18, 2009 |
| Methods and devices are provided for treating multiple interval well bores. More particularly, an isolation assembly may be used to allow for zonal isolation to allow treatment of selected productive or previously producing intervals in multiple interval well bores. One example of a |
| 7575055 |
Storable nonaqueous cement slurries and methods of using same |
August 18, 2009 |
| A method of servicing a wellbore comprising preparing a nonaqueous storable cementitious composition, mixing said composition with an aqueous fluid and, placing said composition into a wellbore. A method of cementing comprising preparing a mixture of cement, a suspension fluid, a deh |
| 7574325 |
Methods to monitor system sensor and actuator health and performance |
August 11, 2009 |
| A method for assessing health and performance of a system. In one example, the system comprises subsystems (preferably physically coupled subsystems), at least some of which are characterizable by transmitted signals. Some of these signals are transformed into a comparable form and c |
| 7572755 |
Drilling fluid comprising a vinyl neodecanoate polymer and method for enhanced suspension |
August 11, 2009 |
| An efficient oil based drilling fluid is provided that includes a polymer additive effective at imparting suspension characteristics without the presence of organophilic clays, while also providing filtration control. The fluid is shear thinning and has good fluid rheology over a broad |
| 7571777 |
Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell |
August 11, 2009 |
| An assembly and methods for constructing a MONOWELL includes a monodiameter casing disposed in a monodiameter wellbore having diametric efficiency with a monobore production delivery system disposed within the monodiameter casing. An assembly for constructing a monodiameter wellbore |
| 7571767 |
High porosity fractures and methods of creating high porosity fractures |
August 11, 2009 |
| Methods of creating high porosity propped fractures in portions of subterranean formations, including methods of forming a high porosity propped fracture in a subterranean formation comprising providing a slurry comprising a fracturing fluid and proppant particulates substantially co |
| 7571766 |
Methods of fracturing a subterranean formation using a jetting tool and a viscoelastic surfactan |
August 11, 2009 |
| A method of fracturing a production interval of a subterranean formation adjacent a wellbore that is open hole or has an uncemented liner is provided. The method comprises the steps of: (a) perforating a zone of the production interval by injecting a pressurized fluid through a hydra |
| 7571644 |
Characterizing a reservoir in connection with drilling operations |
August 11, 2009 |
| A system for analyzing reservoir fluids in connection with a drilling operation includes an injection system for providing geochemical analysis of injected drilling fluids; a production system for providing geochemical analysis of produced drilling fluids; a cuttings system for provi |
| 7569108 |
Prevention of latex inversion in saltwater cement compositions for use in subterranean formation |
August 4, 2009 |
| The prevention of latex inversion in saltwater cement compositions for use in subterranean formations by inclusion of a combination of latex stabilizers and associated methods of cementing. Saltwater cement compositions comprising saltwater, a cement, a latex, a first latex stabilize |
| 7568532 |
Electromagnetically determining the relative location of a drill bit using a solenoid source ins |
August 4, 2009 |
| Electrically powered electromagnetic field source beacons installed in a reference well in combination with a down-hole measurement while drilling (MWD) electronic survey instrument near the drill bit in the borehole being drilled permit distance and direction measurements for drilling |
| 7568380 |
Turbine viscometer |
August 4, 2009 |
| A turbine viscometer for measuring the viscosity of fluid flowing through a conduit, such as a pipe or manifold. The viscometer has a viscosity turbine positionable in the pipe or manifold. The viscosity turbine has a central portion and a plurality of blades extending therefrom such tha |
| 7567856 |
Methods for determining a volumetric ratio of a material to the total materials in a mixing vess |
July 28, 2009 |
| Methods are provided for determining an estimated volumetric ratio of a material to total materials in a mixing vessel. In various embodiments, the methods may comprise: summing a commanded input flowrate of the material and a volumetric disturbance flowrate of the material being fed |
| 7566235 |
Electrical connection assembly |
July 28, 2009 |
| An electrical connection assembly for providing an electrical connection between a first component and a second component, wherein the second component is comprised of a tubular member and defines a bore, wherein the first component is received within the bore of the second component, |
| 7563750 |
Methods and compositions for the diversion of aqueous injection fluids in injection operations |
July 21, 2009 |
| An exemplary method of the present invention for performing an injection operation includes providing a water-soluble relative permeability modifier, introducing the water-soluble relative permeability modifier into a subterranean formation; and injecting an aqueous injection fluid i |
| 7563076 |
Variable rate pumping system |
July 21, 2009 |
| A pumping system comprising a motor, wherein the motor has an operating speed, a pump coupled to the motor, wherein the pump has a volumetric displacement, a fluid end coupled to the pump, wherein the fluid end is operable to draw fluid from an input and provide fluid to an output, and |
| 7562711 |
Hydraulic injection of biocide into tanks |
July 21, 2009 |
| A method of servicing a wellbore comprising transporting at least two portable tanks to a well site to be serviced, and hydraulically injecting biocide into a first of the two tanks, wherein a second of the two tanks serves as a fluid source for conveying the biocide into the first tank. |
| 7561943 |
Methods for volumetrically controlling a mixing apparatus |
July 14, 2009 |
| Methods of controlling a volumetric ratio of a material to total materials in a mixing vessel are provided. In various embodiments, the methods may comprise: estimating the volumetric ratio of the material to the total materials in the mixing vessel and an output flowrate of the material |
| 7560419 |
Method and biodegradable super absorbent composition for preventing or treating lost circulation |
July 14, 2009 |
| A lost circulation material and method for treatment employing the material is provided that has particular utility in offshore applications because the material may be used with saltwater or brine, as well as with fresh water, and is biodegradable. The material comprises a biodegradable |
| 7560418 |
Additives for imparting fragile progressive gel structure and controlled temporary viscosity to |
July 14, 2009 |
| Metal cross-linked phosphate ester compositions impart fragile progressive gel structure to a variety of oil and invert emulsion-based drilling fluids at neutral or acidic pH. The fluids are useful for drilling wellbores in subterranean formations without need for organophilic clays |
| 7559363 |
Wiper darts for subterranean operations |
July 14, 2009 |
| Methods and devices useful in subterranean treatment operations are provided. One example of a device is a dart having a deformable body, a nosepiece connected to a lower terminus of the deformable body, and a channel extending through the deformable body and the nosepiece. One examp |
| 7557580 |
Electromagnetic wave resistivity tool having a tilted antenna for geosteering within a desired p |
July 7, 2009 |
| This invention is directed to a downhole method and apparatus for simultaneously determining the horizontal resistivity, vertical resistivity, and relative dip angle for anisotropic earth formations. The present invention accomplishes this objective by using an antenna configuration |
| 7557579 |
Electromagnetic wave resistivity tool having a tilted antenna for determining the horizontal and |
July 7, 2009 |
| This invention is directed to a downhole method and apparatus for simultaneously determining the horizontal resistivity, vertical resistivity, and relative dip angle for anisotropic earth formations. The present invention accomplishes this objective by using an antenna configuration |
| 7557492 |
Thermal expansion matching for acoustic telemetry system |
July 7, 2009 |
| Thermal expansion matching for an acoustic telemetry system. An acoustic telemetry system includes at least one electromagnetically active element and a biasing device which reduces a compressive force in the element in response to increased temperature. A method of utilizing an acoustic |
| 7556093 |
Downhole fiber optic wet connect and gravel pack completion |
July 7, 2009 |
| A downhole fiber optic wet connect and gravel pack completion. In a described embodiment, a system for making fiber optic connections in a subterranean well includes a first fiber optic connector positioned in the well and a second fiber optic connector operatively connected to the f |
| 7555391 |
Multiple distributed force measurements |
June 30, 2009 |
| Methods, computer programs, and systems for detecting at least one downhole condition are disclosed. Forces are measured at a plurality of locations along the drillstring. The drillstring includes a drillpipe. At least one of the forces is measured along the drillpipe. At least one d |
| 7553800 |
In-situ filter cake degradation compositions and methods of use in subterranean formations |
June 30, 2009 |
| Improved in-situ filter cake degradation compositions for use in subterranean formations, well drill-in and servicing fluids including such in-situ filter cake degradation compositions, and methods of using such in-situ filter cake degradation compositions and well drill-in and servi |
| 7552773 |
Multicycle hydraulic control valve |
June 30, 2009 |
| A multicycle hydraulic control valve. A control and actuation system for a well tool includes a control valve having one or more metal-to-metal seals which open while differential pressure exists across the seals to thereby selectively connect pressure sources to an actuator to operate |
| 7552771 |
Methods to enhance gas production following a relative-permeability-modifier treatment |
June 30, 2009 |
| Provided embodiments relate to introducing a water-drainage-rate-enhancing agent into a subterranean formation to enhance gas production following a relative-permeability-modifier treatment to decrease undesired water production. An exemplary embodiment provides a method of treating a |
