Class / Patent application number | Description | Number of patent applications / Date published |
175041000 | Ray energy detection or measuring | 13 |
20090095529 | Measurement Ahead of the Drilling Bit by Analysis of Formation Cuttings Using Ultraviolet Light to Detect the Presence of Oil or Gas - An apparatus for determining the nature of the formation at the bottom of a wellbore being drilled with a tubular drill string through which drilling fluid is pumped to return the drilling fluid to the surface via the wellbore, the apparatus comprising a tool body for installation in a drill string with a bore extending there through and an ultraviolet fluorescence detector in a passageway in the tool body, the tool body being configured to receive drilling fluid from inside the drill string and to receive drilling fluid from outside the drill string, wherein the drilling fluid can be directed past the detector so as to enable measurements to be made. | 04-16-2009 |
20090166088 | SUBSURFACE FORMATION CORE ACQUISITION SYSTEM USING HIGH SPEED DATA AND CONTROL TELEMETRY - A core sample acquisition device includes a core receiving barrel configured to couple to a drill string proximate a core drilling bit. The device includes a sensor for determining a property of a core sample urged into the receiving barrel by drilling the core sample. The sample acquisition device includes a communication device for transmitting signals from the sensor over at least one of an electrical and an optical communication channel associated with the drill string. | 07-02-2009 |
20100122847 | METHODS FOR VISUALIZING DISTANCES BETWEEN WELLBORE AND FORMATION BOUNDARIES - A method for displaying a formation model while drilling a wellbore in the formation includes operating a well logging instrument at a measurement point in the formation along a wellbore while the wellbore is being drilled. Measurement data regarding the formation are obtained from the well logging instrument. An actual orientation of a geological structure is determined from the measurement data. A trajectory of the wellbore is displayed in three dimensions as it is being drilled through the formation. While drilling the wellbore, the geological structure is displayed along the trajectory of the wellbore according to the determined actual orientation of the geological structure. The actual orientation reflects an azimuth angle of planes corresponding to the geological structure. The trajectory of the wellbore is changed in response to displaying the determined actual orientation of the geological structure relative to the trajectory. | 05-20-2010 |
20100155137 | Segmented Tubular Body - In one aspect of the invention, a downhole tool string component comprises a tubular body with a first and a second tool joint adapted to connect to adjacent tool string components, and a central bore adapted to pass drilling mud between the joints. A sleeve circumferentially disposed about an outer surface of the tubular body. The sleeve is rigidly attached to the outer surface at first and second sleeve ends and forming at least three stabilizer blades. A nuclear source and at least one nuclear detector are disposed within a gap formed between the inner surface of the sleeve and the outer surface of the tubular body. | 06-24-2010 |
20120055710 | Drill String Tubular with a Detection System Mounted Therein - A measurement system for collecting data. In some embodiments, the measurement system includes a tubular suspended downhole, the tubular having an outer surface and a flowbore extending therethrough, the flowbore conveying a fluid, a first recess formed in the outer surface of the tubular, a first detection system mounted in the first recess, a second recess formed in the outer surface of the tubular, and a second detection system mounted in the second recess. The second recess is offset relative to the first recess by at least one of an axial distance and a circumferential distance. The first detection system is operable to measure a portion of the data, and the second detection system operable to measure another portion of the data. | 03-08-2012 |
20150008037 | Drilling Wells In Compartmentalized Reservoirs - Method of drilling a well, including one method comprising determining a first value indicative of a relative position of a geological bed boundary with respect to a drilling assembly, determining a second value indicative of an optical property of a formation fluid proximate the drilling assembly, and controlling a well trajectory based on the first and second value. | 01-08-2015 |
20150053485 | Wired or Ported Transmission Shaft and Universal Joints for Downhole Drilling Motor - A bottom hole assembly for a drill string has a mud motor and a mandrel. The motor has a rotor driven by drilling fluid flow, and the rotor defines a bore for passage of fluid flow and/or conductors. The mandrel has a bore for passage of the conductors and/or fluid flow, and rotation of the mandrel rotates a drill bit. A shaft and universal joints transfer the drive of the rotor to the mandrel. To pass the conductors from a sonde uphole of the motor to electronics disposed with the mandrel and/or to conduct fluid flow, inner beams dispose in a bore of the shaft to seal at the ends of the shaft coupled to the first and second universal joints. Each beam has an internal passage for the conductors and/or fluid flow. One of the universal joints and inner beams compensate for eccentricity in motion of the rotor, while the other second universal joint and inner beam compensate for a bend in the downhole assembly. Each of the inner beams is at least partially flexible to compensate for articulation at the universal joints. | 02-26-2015 |
20150101866 | AMBIENT-ACTIVATED SWITCH FOR DOWNHOLE OPERATIONS - In some embodiments, an apparatus includes a radiation source to output radiation after power is supplied. The apparatus also includes a power source to supply power. The apparatus includes an ambient-activated switch electrically coupled between the radiation source and the power source. The ambient-activated switch is to switch to an open position while a value for an ambient characteristic for the ambient-activated switch is at an ambient level for a surface of the Earth. The ambient-activated switch is to switch to a closed position while the value for the ambient characteristic for the ambient-activated switch is at a downhole ambient level, wherein the ambient-activated switch is to electrically couple the power source to the radiation source while in the closed position. | 04-16-2015 |
20150322720 | SYSTEM AND METHOD FOR DETECTING DRILLING EVENTS USING AN OPTO-ANALYTICAL DEVICE - In one embodiment, a method includes drilling a wellbore in a formation with a drilling tool. The method further includes receiving electromagnetic radiation at an opto-analytical device coupled to the drilling tool. The method also includes determining a drilling characteristic based on the received electromagnetic radiation, and detecting an event associated with drilling the wellbore based on the determined drilling characteristic. | 11-12-2015 |
20150322781 | SYSTEM AND METHOD FOR ANALYZING CUTTINGS USING AN OPTO-ANALYTICAL DEVICE - In one embodiments, a method includes drilling a wellbore in a formation with a drilling tool. The method further includes receiving electromagnetic radiation using an opto-analytical device coupled to the drilling tool. The method also includes detecting a characteristic of cuttings associated with drilling the wellbore based on the received electromagnetic radiation. | 11-12-2015 |
20150361766 | DRILLING TURBINE POWER GENERATION - An example drilling turbine includes a turbine power section having a turbine shaft and a plurality of turbine stages axially arranged along the turbine shaft. A turbine bearing section is coupled to the turbine power section and has a drive shaft operatively coupled to the turbine shaft such that rotation of the turbine shaft rotates the drive shaft. The turbine bearing section includes a lower mandrel that houses a portion of the drive shaft rotatable with respect to the lower mandrel, one or more magnets disposed on an inner surface of the lower mandrel, a generator coil coupled to the drive shaft and aligned with the magnets, and one or more sensors coupled to the drive shaft and in electrical communication with the generator coil. The turbine shaft rotates the drive shaft, which rotates the generator coil with respect to the magnets, and thereby generates electrical power for the sensors. | 12-17-2015 |
20160123137 | Method and Apparatus for Detecting Gamma Radiation Downhole - The embodiments described herein generally relate to a method for detecting gamma radiation downhole using a downhole probe assembly. The method includes rotating the downhole probe assembly and measuring gamma radiation passing through a window of a gamma sensor module and hitting a gamma sensor therebelow. A gyroscope output is sampled at predetermined time intervals to indicate the speed of rotation of the downhole probe assembly. The angle of rotation of the window is calculated based on the speed of rotation of the downhole probe assembly. Each revolution of the downhole probe assembly is conceptually divided up into a plurality of bins. Measured gamma radiation is allocated to one of the plurality of bins based on the calculated angle of rotation of the window to provide a real time indication of the direction and strength of gamma radiation emitted by the formation surrounding the borehole. This information can be used for real time geosteering of the drill bit during downhole drilling. | 05-05-2016 |
20160168982 | SYSTEMS AND METHODS FOR DRILLING IN HIGH TEMPERATURE ENVIRONMENTS USING OPTICAL FIBER COMMUNICATION | 06-16-2016 |