Class / Patent application number | Description | Number of patent applications / Date published |
073152030 | During drilling | 23 |
20120096935 | DOWNHOLE SENSOR TOOL WITH A SEALED SENSOR OUTSERT - A downhole sensor tool includes a sensor outsert coupled into an exterior pocket of the tool body. The sensor outsert is a pressure vessel with an exterior electrical connector coupled to the interior sensor. The sensor outsert contains a sensor, and is pressure-sealed about the sensor. The outsert includes an electrical connector coupled to the sensor. The electrical connector maintains the pressure seal of the outsert. The electrical connector may be a hermetic connector. The electrical connector can be coupled to an electrical connector or a hermetic connector of the tool body while maintaining the sealing of the pressure vessel. | 04-26-2012 |
20120152011 | Scale-Up Device For Testing Bit Balling Characteristics - An apparatus and method for testing the effects of mud chemistry and bit design on bit balling is disclosed The apparatus includes a replica bit coupled to a rotary drive and having at least one nozzle, a test container, a test formation located within the test container through which the replica bit will be drive, wherein the test formation includes a plurality of layers of pre-manufactured cuttings The apparatus further includes a lifting device applying a force to the bottom of the container to drive the test formation into the replica bit while the replica bit is rotating, a second container within which is a drilling fluid, and a pump for communicating drilling fluid from the container through a conduit to the replica bit. | 06-21-2012 |
20120227481 | Smooth Wireline - A cable includes a conductor. A plurality of inner armor wires is wrapped around the conductor. At least some of the plurality of inner armor wires have non-circular and non-rectangular cross-sectional shapes. A plurality of outer armor wires are wrapped around the inner armor wires. At least some of the plurality of outer armor wires have non-circular and non-rectangular cross-sectional shapes. | 09-13-2012 |
20130047717 | CORRECTED POROSITY MEASUREMENTS OF UNDERGROUND FORMATIONS - This disclosure relates to methods and apparatuses for determining the porosity of a formation surrounding a borehole. A drilling fluid penetrates a distance into the formation as a function of time. First and second porosity measurements are taken, both at a first time and at a second time. The first porosity measurement is of a type selected to indicate a different porosity measurement in the presence of a gas as compared to the second porosity measurement. The first and second porosity measurements are selected to have substantially the same depth-of-investigation into the formation and are affected approximately proportionally by the gas. | 02-28-2013 |
20130192357 | Job Monitoring Methods And Apparatus For Logging-While-Drilling Equipment - Job monitoring methods and apparatus for logging-while-drilling equipment are disclosed. A disclosed example method includes identifying a downhole scenario based on a property of an underground geological formation, selecting a first telemetry frame type based on the identified downhole scenario, conveying an identifier representative of the selected first telemetry frame type to a downhole fluid sampling tool, and receiving a first telemetry data frame from the downhole fluid sampling tool, the telemetry data frame containing fluid analysis parameters for a fluid, and being constructed in accordance with the selected first telemetry frame type. | 08-01-2013 |
20140150544 | AXIALLY-SUPPORTED DOWNHOLE PROBES - An assembly for use in subsurface drilling includes a downhole probe supported by a locking mechanism with a bore of a drill string section. The probe comprises a first spider and a second spider at the uphole and downhole sections of the probe. The locking mechanism secures the probes in the bore against axial and rotational movement relative the drill string section. | 06-05-2014 |
20150337645 | DOWNHOLE SENSOR TOOL WITH A SEALED SENSOR OUTSERT - A downhole sensor tool includes a sensor outsert coupled into an exterior pocket of the tool body. The sensor outsert is a pressure vessel with an exterior electrical connector coupled to the interior sensor. The sensor outsert contains a sensor, and is pressure-sealed about the sensor. The outsert includes an electrical connector coupled to the sensor. The electrical connector maintains the pressure seal of the outsert. The electrical connector may be a hermetic connector. The electrical connector can be coupled to an electrical connector or a hermetic connector of the tool body while maintaining the sealing of the pressure vessel. | 11-26-2015 |
20160069842 | SYSTEM AND METHOD FOR PIPE AND CEMENT INSPECTION USING BOREHOLE ELECTRO-ACOUSTIC RADAR - An example method for pipe inspection in a subterranean formation using borehole electro-acoustic radar may include emitting mechanical energy from a mechanical energy source disposed in a pipe, which may cause the pipe to vibrate. Electromagnetic (EM) energy from an electromagnetic energy source disposed in the borehole may then be transmitted and received. A vibration signature of the medium may be identified by comparing the transmitted EM energy to the received EM energy. This may include determining the phase difference between the transmitted and received EM energy, which can be correlated to the vibration of the pipe. | 03-10-2016 |
073152040 | By drill mud analysis | 15 |
20090038389 | Formation gas pore pressure evaluation on drilling cuttings samples - An apparatus and process for measuring the formation gas pore pressure in drilling cuttings samples in a container. The Apparatus includes vertical holder for container, for placing the cutting sample and pipette for adding measurable quantity of liquid. The container may be vibrated to facilitate separation by grain size. The process includes measuring the gas bubbles size and volume in the test tube and the height of liquid covering the bubble. The volume and the pressure of the gas emitted out of the pores is calculated. By adding/subtracting liquid and/or pressure to the sample and increasing/decreasing the height and the pressure of the liquid on the pore, the test is repeated and the measurements documented in the tables for math processing to obtain the error corrections and standard deviation of the measurements. The results are expressed in Emission=V/P=mm3/Pa, Total Volume=V=mm3, Maximum Pressure=P=Pa. | 02-12-2009 |
20090260430 | Method and Apparatus for Measurement of Formation Fluid Loss - A method for determining drilling fluid losses or gains by providing a drilling fluid, measuring a plurality of supply parameters of the drilling fluid, delivering the drilling fluid to a subsurface drilling operation, the subsurface drilling operation providing a returns drilling fluid, measuring a plurality of returns parameters of the returns drilling fluid, and determining change in composition, or loss of or gain of drilling fluid from a comparison between the supply parameters and the returns parameters. | 10-22-2009 |
20090272186 | ENHANCED PROCESS FOR PREPARING CORE SAMPLE THIN SECTIONS - A method of preparing a thin section sample includes affixing the sample to a receptacle using an affixing media that includes a material having a thickness-sensitive characteristic. The sample may then be shaped to have an asymmetric cross-section. The method may further include reducing a thickness of the material until the thickness-sensitive material exhibits a change in an optical characteristic. The added material, which may be quartz, may exhibit a predetermined optical characteristic at a specified thickness and/or exhibit a change in an optical characteristic in response to a change in thickness. In one application, the method may include retrieving the sample from a subterranean formation. For instance, the sample may be retrieved from a gas shale formation. | 11-05-2009 |
20100223988 | Apparatus And Method For A Wireless Sensor To Monitor Barrier System Integrity - This invention relates to an apparatus and a method for a wireless sensor to monitor barrier system integrity, such as used or employed during sequestration of greenhouse gases. This invention includes an apparatus for integrity monitoring of a borehole suitable for sequestration of greenhouse gases. The apparatus includes one or more sensors for placement outside of a casing to monitor a borehole, and a tool for movement within the casing to power and interrogate the one or more sensors. This invention also includes a method for monitoring integrity of a borehole suitable for sequestration of greenhouse gases or other types of well. The method includes the step of disposing one or more sensors outside a casing and the step of powering the one or more sensors with a tool inside the casing. The method also includes the step of interrogating the one or more sensors with the tool to monitor an engineered borehole and/or a natural caprock seal. | 09-09-2010 |
20100242585 | NANO-ROBOTS SYSTEM AND METHODS FOR WELL LOGGING AND BOREHOLE MEASUREMENTS - This invention relates to a nano-robots system and methods for well logging and borewell measurements. In one embodiment, a nano-robot includes a propulsion system for providing thrust in drilling mud, with extendable fins to help steer nano-robot in the drilling mud. The fins are also extendable to a further position then when used for steering, so that the nano-robot may embed itself into a formation to measure its properties, such as porosity and permeability. In an embodiment, a nano-robot includes electrodes to generate a voltage from the ions in the drilling mud, and a transceiver and antenna to provide communication with other nano-robots, and with a transponder on a drilling string so that measured data may be transmitted to surface receivers for data storage and analysis. Other embodiments are described and claimed. | 09-30-2010 |
20100294033 | ASSEMBLY AND METHOD FOR TRANSIENT AND CONTINUOUS TESTING OF AN OPEN PORTION OF A WELL BORE - An assembly for transient and continuous testing of an open portion of a well bore arranged in a lower part of a drill string includes at least two packers fixed outside of the drill string, which are expandable for isolating a reservoir interval. The assembly includes a down-hole pump, sample chamber, sensors, closing valve, sensors and telemetry for measuring and realtime transmission of flow rate, pressure and temperature of fluid flow from the reservoir interval, from the down-hole pump, in the drill string and in an annulus above the packers, a mud driven turbine or electric cable, and a circulation unit. The circulation unit, independent of the circulation rate for mud to the annulus, can feed formation fluid from the reservoir interval into the annulus, so that at any time a well can be kept in over balance and the mud can solve the formation fluid from the reservoir interval. | 11-25-2010 |
20100313645 | TEST PROCEDURE TO DETERMINE CONCENTRATION AND RELATIVE DISTRIBUTION OF SIZED PARTICLES IN A DRILLING FLUID - A method of determining a particle size distribution in a wellbore fluid including collecting a volume of mud from a vibratory separator, sampling a volume of the collected mud, and testing the volume of collected mud with a test kit to determine the concentration of a sized additive in the mud is disclosed. A system for determining particle size distribution of a fluid, the system including a vibratory separator, a meter configured to receive a separated material from the vibratory separator, a counter configured to count the number of loads collected by the meter, a test kit including a sieve and a measuring tube, and a centrifuged configured to receive the measuring tube is also disclosed. | 12-16-2010 |
20110000294 | METHOD OF ANALYZING A NUMBER OF HYDROCARBONS CONTAINED IN A DRILLING FLUID, AND ASSOCIATED DEVICE - The method includes extraction of gases contained in a mud, in order to obtain a gas stream of extracted gases containing hydrocarbons to be analyzed and at least one parasitic compound. The method includes transporting the gas stream through a transport line ( | 01-06-2011 |
20120000278 | GAS TRAP FOR DRILLING MUD HAVING QUICK-RELEASE SEPARABLE LOWER SECTION - A gas trap apparatus for liberating gas from drilling mud and collecting such gas for analysis. A motor is connected to a rotatable vertical shaft having beater bars thereon, which when the shaft is immersed in drilling mud and rotate, stirs such mud to liberate gas entrained therein. The gas trap is characterized in having a top member and a bottom member which surrounds the vertical shaft and which is releasibly secured to the top member thereof by a quick release mechanism which facilitates rapid detachment of the bottom member from the top member to permit quick access said vertical shaft and beater bars thereon for replacement or servicing. The vertical shaft may further likewise be provided with a quick-release means to allow quick release of the shaft from the motor for easy replacement and servicing of same. | 01-05-2012 |
20150027216 | METHOD AND APPARATUS FOR FORMATION TESTING AND SAMPLING WHEN PERFORMING SUBTERRANEAN OPERATIONS - Methods and systems for improving operations of a formation tester are disclosed. The formation tester ( | 01-29-2015 |
20150107349 | MUD LOGGING DEPTH AND COMPOSITION MEASUREMENTS - A sample that includes formation content from a subsurface formation and other sample constituents is obtained while the sample is in close proximity to the subsurface formation. While downhole, the formation content is separated from the other sample constituents by passing the sample through an oil-wet porous plate, a water-wet porous plate, or through both plates, and analyzed. Various petrophysical properties of the formation content may be determined. To further separate the formation content, one may pass the sample through a mesh, pass the sample into an expansion chamber, or draw the sample into a chamber using a moveable piston. The formation content may be analyzed downhole using, for example, a mass spectrometer, FTIR, or chromatograph. The hydrocarbon contribution from oil based drilling fluid can be accounted for. Alternatively, a capsule may be charged with “live” formation content and conveyed uphole to be analyzed. | 04-23-2015 |
20160138393 | Method and Apparatus for Real-Time Fluid Compressibility Measurements - Apparatus and method for measuring the compressibility (K) of a fluid circulated by a positive displacement pump that comprises: a pressure sensor for sensing a pressure P of a fluid confined in a fluid module of the pump ; a position sensor for sensing the position X, of a piston in the fluid module and a control unit communicating with the pressure sensor and the position sensor adapted to: log the pressure (P) and piston position (X) substantially synchronously; using (X), calculate the volume (V) of the confined fluid in the fluid module ; and using (P) and (V), calculate the compressibility (K) . | 05-19-2016 |
20160168985 | ANALYZING RESERVOIR USING FLUID ANALYSIS | 06-16-2016 |
20160177711 | METHOD AND RELATIVE SYSTEM FOR THE MEASUREMENT OF THE ISOTOPE RATIO IN HYDROCARBONS | 06-23-2016 |
20160194950 | PIPE TRACKING SYSTEM FOR DRILLING RIGS | 07-07-2016 |