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Patent Searching and Data


Matches 151 - 200 out of 141,199

Document Document Title
WO/2018/063184A1
A casing has a plurality of joints of pipe joined by a plurality of casing collars, and an outer surface. A high-frequency alternating current (AC) source electrically is coupled to the casing. A coating of insulating material covers the...  
WO/2018/063254A1
Systems and methods for placing well bores and/or portions of completed well systems in a subterranean formation relative to tar mats or other phenomena in the formation are provided. In some embodiments, the methods comprise: identifyin...  
WO/2018/063180A1
This disclosure presents a method of increasing hydration time of a high concentration gelled fluid used in a fracturing fluid that uses multiple hydration tanks whose volumes are isolated from one another to provide a continuous batch o...  
WO/2018/063175A1
Provided are systems for connecting a control line to an intelligent tool positioned below a lateral borehole junction in accordance with the disclosure and the illustrated FIGURES. An example system comprises a lateral deflector. The la...  
WO/2018/063156A1
A method to process vertical seismic profile (VSP) data includes receiving VSP data, migrating the VSP data output using an initial velocity model to produce migrated depth values associated with the respective receivers, sorting and col...  
WO/2018/063006A1
A method for plugging a subterranean well (6), comprising the steps: running a perforating tool (1) into the subterranean well and positioning the perforating 5 tool in a well section (L) to be plugged; operating the perforating tool to ...  
WO/2018/064156A1
Techniques and systems to reduce deflection of a riser extending from an offshore platform. A device may include a main tube disposed along a length of the device. The device may also include a support member that may be coupled to the m...  
WO/2018/058188A1
A transmission device comprising a body, an input member extending at least part way along the body, and having an axis of rotation, a gear assembly connected thereto, having an inner gear, one or more intermediate gears engaged to it; a...  
WO/2018/063829A1
The device comprises a generally cylindrical sleeve having an open top and a closed bottom; a heater located inside the sleeve, the heater comprising a thermite mixture; an ignition mechanism that ignites the thermite mixture upon actuat...  
WO/2018/058214A1
The present invention relates to a method and a system used in petroleum well construction operations for the purpose of measuring the execution performance of the various operations involved in the construction of a well and providing, ...  
WO/2018/063143A1
Multi-directional ultrasonic transducers useful for small downhole applications where two or more separate or larger transducers are too large. The transducer includes a backing material having two or more piezoelectric elements attached...  
WO/2018/063234A1
A method and system are disclosed that provide chemical composition data of a fluid. The system includes a first downhole electro-opto-mechanical device to transmit microwave radiation through the fluid. The microwave radiation is genera...  
WO/2018/063309A1
The present disclosure relates to vibration frequency sensors comprising a vibratable flow tube having an interior for receiving a fluid, a vibration detector coupled to the flow tube for detecting a frequency of the fluid received by th...  
WO/2018/060416A1
The present invention relates to a downhole completion system comprising an intermediate casing arranged in a borehole having a top, an outer production casing arranged at least partly within the intermediate casing defining a primary an...  
WO/2018/063144A1
A system, method, and device for determining volume concentration with diffraction of electromagnetic radiation. A device for determining a volume concentration of a fluid in a sample comprises a transducer, a transmitter, a detector, an...  
WO/2018/063364A1
A method, system, and device for terahertz spectroscopy to analyze a sample. The device comprises a transmitter, a waveguide, a receiver, and a processor. The transmitter generates electromagnetic (EM) radiation in a terahertz frequency ...  
WO/2018/063169A1
Planning and real time optimization of one or more modules of a downhole tool provide efficient and cost-effective deployment of a measurement system, for example, for a ranging tool. Considerations of the environment and type of operati...  
WO/2018/064216A1
The present invention comprises a pumping system operable at the surface (e.g., on a surface platform) to increase or restore hydrocarbon flow from a deep water or ultra deep water subsea environment to a surface production facility. The...  
WO/2018/057029A1
A passive array of acoustic sensors capture acoustic signals produced by sand movement. The array tool is deployed downhole where it passively listens for acoustic energy generated by sand movement in the well. Once acoustic signals are ...  
WO/2018/054436A1
The invention relates to a method and a system for monitoring one or more control parameters in a borehole (6), wherein a downhole tool (8) is mounted in a drill string (2) and is able to measure at least one control parameter using suit...  
WO/2018/056966A1
A ball valve can include a housing that contains a flow path and a ball positioned in the flow path. The ball can be configured to seal a first portion of the flow path from a second portion of the flow path in a closed position, and at ...  
WO/2018/057009A1
Switchable crossover tools can include a tool body and a rotatable chamber. The tool body includes a main tool path separable into uphole and downhole tool paths and an auxiliary chamber containing uphole and downhole annular ports. The ...  
WO/2018/056990A1
A method includes collecting tracer concentration measurements from a flow stream in a borehole as a function of time. The method also includes recovering an uplink telemetry signal from the collected tracer concentration measurements, w...  
WO/2018/057696A1
An apparatus for drilling directional wellbores is disclosed that in one non-limiting embodiment incudes a drive for rotating a drill bit, a deflection device that enables a lower section of a drilling assembly to tilt about a member of ...  
WO/2018/056999A1
Systems and methods for utilizing diverse excitation sources in single well electromagnetic ranging. A method may include disposing an electromagnetic ranging tool in a wellbore, wherein the electromagnetic ranging tool may comprise one ...  
WO/2018/057949A1
An orienting system for precisely aligning downhole tools with respect to each other, such as perforating guns, exploration tools, or other completions tools. The orienting system provides for orienting a first tool with respect to a sec...  
WO/2018/057000A1
A system, method, and tool for controlling fluid in a wellbore. The system comprises a tubing string locatable in the wellbore and a crossover tool for enabling reverse circulation in the wellbore. The crossover tool comprises a tool bod...  
WO/2018/057958A1
A hydraulic port collar includes a housing having one or more housing ports. The hydraulic port collar includes a port collar bore disposed within the housing forming an inner surface of the housing. The hydraulic port collar includes a ...  
WO/2018/056836A2
A wellbore control device comprising a housing (1) defining a throughbore (2) for receiving a tubular, a first gate (4) having a first hole (6) and a second gate (3) having a second hole (5), piston rods (12a, 12b) operably connected to ...  
WO/2018/057697A1
An apparatus for drilling a directional wellbore is disclosed that in one non-limiting embodiment includes a drive for rotating a drill bit, a deflection device that enables a lower section of the drilling assembly to tilt about a member...  
WO/2018/056969A1
The structural integrity and reliability of a downhole tool, mandrel, casing or other downhole component may be improved by implementation of a design and configuration that does not require several separate components to be coupled toge...  
WO/2018/057960A1
A downhole motor-pump assembly disposed within a tubular string includes a rotor and a stator. The rotor has a first rotor portion and a second rotor portion. The first rotor portion has a first geometrical shape and the second rotor por...  
WO/2018/058049A1
Methods, systems, devices, and products for acoustic detection in a borehole. Apparatus embodiments comprise an acoustic sensor including: a pressure transducer comprising a flexing member attached to an optical medium, the transducer co...  
WO/2018/055728A1
An excavation tool according to the present invention comprises an attachment member provided with: a tool main body which is provided with an attachment hole section and to which a striking force is applied in the axial direction front ...  
WO/2018/056956A1
A method for determining the location of a leak within a tubular having tubular components by sending an acoustic signal from an acoustic tool, receiving reflective signals from the acoustic signal, correlating the reflective signals wit...  
WO/2018/058017A1
A sensing system that includes a cylindrical body including an internal flow channel that channels a first fluid therethrough, and a sampling chamber. The sampling chamber is in flow communication with an ambient environment. A venturi d...  
WO/2018/056274A1
Core sampling is enabled over a wide range of the seabed. The present invention is provided with a main robot 3 that moves underwater by remote operation, and a sampling robot 2 that is connected to a manipulator 7 attached to the main r...  
WO/2018/057010A1
Switchable cross-over systems, devices, and methods for cementing well walls are provided. A switchable cross-over device includes a tool body and a flow sleeve. The tool body includes a main tool path separable into uphole and downhole ...  
WO/2018/056952A1
A method includes obtaining a measurement of one or more properties of a downhole fluid using a fluid analysis tool. The fluid analysis tool includes fluid sensors and one or more processors coupled with the fluid sensors. A first predic...  
WO/2018/057942A1
A cutting element comprises a supporting substrate exhibiting a three-dimensional, laterally elongate shape, and a cutting table of a poly crystalline hard material attached to the supporting substrate and comprising a non-planar cutting...  
WO/2018/056979A1
A method is provided, including: forming an optical computing device having a first plurality of sensing elements selected to measure a characteristic of a sample, generating a transmission function from a first add-on integrated computa...  
WO/2018/057934A1
A method and apparatus for using a tandem sub between two perforating guns where an EB fire pressure switch arms a detonator after the detonation of a first perforating gun and then a subsequent electrical signal can then detonate the se...  
WO/2018/057011A1
Switchable cross-over systems, devices, and methods for cementing well walls are provided. A switchable cross-over device includes a tool body, a flow sleeve, and a hydraulic sleeve. The tool body includes a main tool path separable into...  
WO/2018/057545A1
Extendable elements of downhole tools are provided having an extension direction component perpendicular to a tool axis, wherein a force is applied to the extendable element when in operation. The extendable elements comprise a first cro...  
WO/2018/056951A1
A method of retaining a packing element including utilizing a back-up ring assembly in contact with at least one packing element, the assembly comprising: at least one wedge shaped spiral ring comprising: at least one outer circumferenti...  
WO/2018/056946A1
Core samples may been collected in a subterranean formation, preserved downhole in a pressurized nuclear magnetic resonance (NMR) core holder (1) comprising components for NMR imaging and (2) capable of maintaining the core samples at do...  
WO/2018/056947A1
Pressure coring where the core apparatus drills the core sample and seals the core sample at its native downhole pressure (e.g., several thousand psi) may be expanded to include nuclear magnetic resonance (NMR) imaging components to prod...  
WO/2018/055339A1
The invention relates to downhole firing tools. In particular, a firing switch for a perforating gun with an EB switch port. The firing switch comprises a body portion configured to be located within the EB switch port, and an electronic...  
WO/2018/057500A1
Perforation ball sealers with improved solubility characteristics are made from a vinyl alcohol/vinyl acetate copolymer (PVOH) having a degree of hydrolysis of -50% to 84%, or from a molding grade ethylene/vinyl alcohol copolymer (EVOH) ...  
WO/2018/057001A1
Disclosed herein are methods and systems that include an automatic wireline tuner. A downhole cable system may comprise a cable assembly comprising a conductor; and a negative impedance circuit at a termination of the conductor in the ca...  

Matches 151 - 200 out of 141,199