Assignee: Schlumberger Technology Corporation

Location: Cambridge, MA
No. of patents: 114

Browse patents
Browse applications

Number	Title	Issue Date
8096349	Apparatus for extraction of hydrocarbon fuels or contaminants using electrical energy and critical fluids The extraction of hydrocarbon fuel products such as kerogen oil and gas from a body of fixed fossil fuels such as oil shale is accomplished by applying a combination of electrical energy and critical fluids with reactants and/or catalysts down a borehole to initiate...	01/17/2012
8063356	Method of extracting formation density and Pe using a pulsed accelerator based litho-density tool A more precise determination of bulk formation density is attainable using a pulsed γ-γ density tool and simultaneously compensating for interactions due to photoelectric effect and density variations caused by standoff. A source directs energetic particles at a f...	11/22/2011
8058071	Downhole spectroscopic hydrogen sulfide detection Methods and related apparatuses and mixtures are described for detecting hydrogen sulfide in a formation fluid downhole. A detection mixture is combined with the formation fluid downhole. The detection mixture includes metal ions for reacting with hydrogen sulfide f...	11/15/2011
8035321	Injector for betatron An electron acceleration portion of a Betatron having a vacuum chamber with an interior wall spaced from an exterior wall with a main electron orbit located approximate to the exterior wall and the interior wall. An electron injector has an anode structured and arra...	10/11/2011
8028563	Pressure interference testing for estimating hydraulic isolation A cased hole pressure test tool is used to determine the integrity of cement between two points in a borehole in terms of permeability or transmissibility. The test tool drills at least one probe hole through the casing up to the cement. In one embodiment, two probe...	10/04/2011
8028562	High pressure and high temperature chromatography Methods and related systems are described for high pressure chromatographic analysis. The described system includes a flowpath adapted to flow a mobile phase and the sample at high pressures, an injector adapted to inject the fluid sample into a flowpath, a separati...	10/04/2011
8013295	Ion mobility measurements for formation fluid characterization Methods and related apparatuses for chemically analyzing at least one sample of fluid, such that a gas flow of at least one fluid sample is directed into a mixing region of an ion mobility device, wherein the mixing region is in communication with at least one conta...	09/06/2011
8009510	Two way check shot and reverse VSP while drilling Methods and related systems are described making seismic measurements. Seismic energy is transmitted into the earth using a surface seismic source. The seismic energy is received with one or more downhole receivers located in a borehole. In response to the received ...	08/30/2011
8009509	Automated mud slowness estimation An integrated framework is described for automating some or all of mud slowness estimation for both fast and slow formations. An estimation of fluid slowness based on monopole radial profiling is calculated if conditions permit. Alternatively, an estimation of fluid...	08/30/2011
8005658	Automated field development planning of well and drainage locations A hybrid evolutionary algorithm (“HEA”) technique is described for automatically calculating well and drainage locations in a field. The technique includes planning a set of wells on a static reservoir model using an automated well planner tool that designs real...	08/23/2011
8005619	Method of determining reservoir parameters A method of determining the effect of formation porosity on formation resistivity and parameters derived from the formation resistivity is described, including the step of determining for a depth interval a heterogeneity measure; and using a pre-defined relation to ...	08/23/2011
8002121	In-line flow separation of fluids in a pipe separator An in-line flow separator (1) comprises an uphill section (2) of pipeline which, in use, carries a gravitationally stratified flow of a first liquid (3) and a second denser liquid (4). The second liquid (4) forms a sump (5) ...	08/23/2011
7994739	Internal injection betatron A betatron magnet having at least one electron injector positioned approximate an inside of a radius of a betatron orbit, the betatron magnet further includes a first guide magnet having a first pole face and a second guide magnet having a second pole face. Both the...	08/09/2011
7987912	Reversible polymeric gelation for oilfield applications A subterranean location accessed via a wellbore is treated with an oilfield fluid containing a viscosifying agent which is a polymer and a cross-linking agent which can undergo the Diels-Alder reaction to form a gel. Conditions at the subterranean location alter flu...	08/02/2011
7987733	Determination of density for metering a fluid flow Systems and methods are disclosed for measuring densities and flow rates of gas-liquid fluid mixtures. In the systems and methods, the fluid mixture is caused to exhibit swirling flow as it flows through a conduit that includes a constriction, a first pressure diffe...	08/02/2011
7971661	Motor bit system The drill bit system may include a chassis, a head, and a first plurality of gauge pads. The chassis may be configured to be operably coupled with a first rotational motion source. The head may include a first plurality of cutters coupled with an end of the head, an...	07/05/2011
7968184	Erosion resistant surface and method of making erosion resistant surfaces An erosion resistant surface using a dense array of elastic whiskers to slow the velocity of erosive particles before impacting with the surface. A carbon nanotube forest is grown on the surface to provide the erosion resistance. In the alternative, a carbon nanotub...	06/28/2011
7963347	Systems and methods for reducing backward whirling while drilling According to the invention, a system for drilling a cavity in a medium is disclosed. The system may include a bottom hole assembly. The bottom hole assembly may include a first longitudinal segment and at least one drill bit. The first longitudinal segment may inclu...	06/21/2011
7959864	Downhole spectroscopic hydrogen sulfide detection Methods and related apparatuses and mixtures are described for detecting hydrogen sulfide in a formation fluid downhole. A detection mixture is combined with the formation fluid downhole. The detection mixture includes metal ions for reacting with hydrogen sulfide f...	06/14/2011
7950590	Temperature triggered actuator An actuator is disclosed which operates on the principle of the variable magnetic properties of materials with respect to temperature. As temperature is raised past Curie temperature, magnetic permeability of certain materials drops significantly to a value close to...	05/31/2011
7946341	Systems and methods for distributed interferometric acoustic monitoring Acoustic monitoring of a conduit, a wellbore or a reservoir associated with hydrocarbon production or transportation and/or carbon dioxide sequestration is carried out using a fibre optic cable extending along or appurtenant to it as a distributed interferometer. Co...	05/24/2011
7942202	Continuous fibers for use in well completion, intervention, and other subterranean applications Methods and related systems for use with a continuous fiber based system for use with well bore completions. Wherein a plurality of continuous fibers are deployable into a portion of a well bore completion, such that a fiber management module is adapted and position...	05/17/2011
7942065	Isokinetic sampling method and system for multiphase flow from subterranean wells The invention relates in a one aspect to a method or apparatus for measuring flow properties of a multiphase fluid stream flowing in a pipeline comprising means for sampling, with a sampling probe, a portion of the fluid stream; for measuring a differential pressure...	05/17/2011
7939953	Micro scale fischer-tropsch and oxygenate synthesis process startup unit A mobile system for providing start-up electrical power to a micro scale liquid hydrocarbon and/or oxygenate synthesis plant is provided including a portable gas or liquid fueled electrical generator, a steam turbine, a plant generator mechanically coupled to the st...	05/10/2011
7937222	Method of determining saturations in a reservoir A method of determining water saturations from a deep-reading resistivity measurement in a reservoir is provided including the step of estimating, through for example a reservoir simulation process, a spatial distribution of a parameter related to the water conducti...	05/03/2011
7931091	Open-hole wellbore lining Embodiments of the present invention provide systems and methods for lining a wellbore. In certain aspects, the systems and methods comprise providing a fluid composition that is solidifiable or gellable on exposure to actinic radiation of a predetermined wavelength...	04/26/2011
7928672	Modulator for circular induction accelerator Described herein is a modulator circuit for generating discrete energy pulses in a device. The circuit includes a high voltage power source intermittently coupled to a saturable first inductor, a second inductor and a capacitor coupled in parallel between the high v...	04/19/2011
7926562	Continuous fibers for use in hydraulic fracturing applications Methods and related systems are described for use with hydraulic fracturing and other oilfield applications. A tool body is positioned in a wellbore at a location near a subterranean rock formation being fractured. The tool body contains a plurality of deployable co...	04/19/2011
7926438	Subsea operations support system An underwater operations support system facilitates underwater exploration, monitoring, maintenance and construction operations associated with development of natural resources. The operations support system may include energy generation subsystems, energy accumulat...	04/19/2011
7921714	Annular region evaluation in sequestration wells Methods and related systems are described for making measurements at multiple locations in an annular region of a cased sequestration well. A first tool module is positionable within the well and adapted to directly or indirectly measure changing pressure at a first...	04/12/2011
7916838	Betatron bi-directional electron injector A Betatron having a toroidal passageway disposed in a cyclical magnetic field with a main electron orbit circumnavigating the toroidal passageway. Within the toroidal passageway is a first electrode that is spaced apart from a second electrode. The combination of th...	03/29/2011
7913806	Enclosures for containing transducers and electronics on a downhole tool A measurement package for disposal on an apparatus such as a downhole tool or a tool like device. The measurement package including an enclosure, a first acoustic transducer housed within the enclosure, a second acoustic transducer housed within the enclosure and el...	03/29/2011
7909099	Well productivity enhancement methods The invention relates to oil production stimulation methods and can be used for both reservoirs with fractures resulting from the fracturing procedure and reservoirs with naturally occurring fractures, for which the fracturing procedure is not mandatory. A material ...	03/22/2011
7908930	Systems and methods for measuring multiphase flow in a hydrocarbon transporting pipeline This disclosure relates in general to methods and systems for measuring multiphase flows in a pipeline using a combination of venturi, microwave and radiation techniques, where the pipeline is configured to transport hydrocarbons. More specifically, but not by way o...	03/22/2011
7906861	Harvesting energy in remote locations Electrical energy is produced at a remote site by converting kinetic energy from the environment. The kinetic energy may include vibrations and flow of fluid. In some embodiments the kinetic energy causes magnets to move with respect to coils in order to produce ele...	03/15/2011
7902496	Method of determining petro-physical information with high energy gamma rays Methods for density logging utilizes gamma-rays above a pair-production threshold so as to determine lithology information of formations whereby to correct a measured density data. ...	03/08/2011
7896086	Logging tool deployment systems and methods without pressure compensation Systems and processes are provided for safely facilitating transfer of down-hole devices through an adaptive seal assembly capping a well under pressure. At least one dynamic seal is provided having a size and shape to accommodate varying cross section of an elongat...	03/01/2011
7891417	Completion apparatus for measuring streaming potentials and determining earth formation characteristics Earth formations are characterized by using an array of electrodes which can measure streaming potentials in the formation, and by interpreting the data obtained by the electrodes. The electrodes are placed on a wireline tool, a LWD tool, or in a fixed manner about ...	02/22/2011
7886591	Method for improving the determination of earth formation properties Methods and apparatus for improving the determination of at least one multiphase flow parameter of an earth formation comprising propagating within the formation a first salinity front, determining a first value of the at least one multiphase flow parameter, propaga...	02/15/2011
7845430	Compliantly coupled cutting system A drill bit system for a drilling assembly is disclosed. The drill bit system may include a chassis, a head, and a first plurality of gauge pads. The head may include a first plurality of cutters coupled with an end of the head, and the head may be movably coupled w...	12/07/2010

«First «Previous1 2 3 Next»Last»

PatentStorm

Quotables

PatentStorm News

Assignee: Schlumberger Technology Corporation