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US20150192694 Robust Well Log Sharpening With Unknown Tool Response Function  
A method for enhancing axial resolution of a well logging instrument includes classifying a formation into a plurality of single well log measurement value zones to generate a squared well log. A...
US20150233235 SYSTEM AND METHOD FOR OILFIELD MANAGEMENT  
The present invention relates to an oilfield management system. The oilfield management system comprises: one or more devices for measuring working conditions of oil wells, the one or more devices...
US20150240624 DETERMINING RESERVE ESTIMATES FOR A RESERVOIR  
Systems and methods for determining reserve estimates for a reservoir using a thickness grid multiplied by one or more grids of laterally-varying attributes to produce a unified grid from which...
US20140172306 INTEGRATED OILFIELD DECISION MAKING SYSTEM AND METHOD  
A method for controlling operations during construction of a subsurface wellbore includes measuring a plurality of wellbore construction parameters. At least one wellbore state parameter is...
US20130090856 Tool Service Life Sensor With Wireless Connectivity  
Apparatus for calculating service life expectancy of wellbore intervention tools comprising one or more sensors, power means, control means and wireless connectivity means. Also a method of the...
US20140156192 SYSTEMS AND METHODS FOR DETERMINING POSITION OF MARKER DEPTH COORDINATES FOR CONSTRUCTION OF GEOLOGICAL MODEL OF DEPOSIT  
The invention relates to constructing a geological model of oil or other mineral deposit. In particular, the invention refers to the method, device, and machine-readable data carrier intended for...
US20120029825 SYSTEM FOR STREAMER ELECTRICAL RESISTIVITY SURVEY AND METHOD FOR ANALYSIS OF UNDERGROUND STRUCTURE BELOW A RIVERBED  
A system for measuring electrical resistivity survey checks a border of bedrock or a thickness of a sedimentary layer in a riverbed of a river or lake within a short time. A method for analysis of...
US20120016587 RESOLUTION ENHANCEMENT FOR SUBTERRANEAN WELL DISTRIBUTED OPTICAL MEASUREMENTS  
Enhancing resolution of distributed optical measurements along a wellbore can include acquiring optical signals during an acquisition time period, thereby producing a convolved profile along the...
US20120197527 MONITORING THE HEALTH OF A BLOWOUT PREVENTER  
A computerized monitoring system and corresponding method of monitoring the status and health of a blowout preventer. The system includes a graphics display at which a graphical user interface...
US20140244173 METHOD AND SYSTEM FOR MONITORING DOWNHOLE ASSETS  
A method of monitoring downhole assets includes tracking a location of a downhole asset relative to a first environment. The configuration information for the downhole asset is acquired, where the...
US20140365129 OILFIELD EQUIPMENT IDENTIFICATION METHOD AND APPARATUS  
A system comprising a piece of oilfield equipment, an identifier assembly and a reader. The piece of oilfield equipment has an exterior surface. The identifier assembly comprises an identification...
US20130297213 OILFIELD EQUIPMENT IDENTIFICATION METHOD AND APPARATUS  
A system comprising a piece of oilfield equipment, an identifier assembly and a reader. The piece of oilfield equipment has an exterior surface. The identifier assembly comprises an identification...
US20140156193 SYSTEM FOR DETERMINING POSITION OF MARKER DEPTH COORDINATES FOR CONSTRUCTION OF GEOLOGICAL MODEL OF DEPOSIT  
A system for building a geological model of oil or other mineral deposit. In particular, the system allows the coefficients of correlation to be determined for a set of well-logging curves and...
US20130030705 PRECISE BOREHOLE GEOMETRY AND BHA LATERAL MOTION BASED ON REAL TIME CALIPER MEASUREMENTS  
Disclosed is a method for estimating a geometry of a borehole penetrating the earth. The method includes: performing a plurality of borehole caliper measurements with N transducers at a plurality...
US20140088875 PUMPJACK TORQUE FILL ESTIMATION  
The fill of a downhole pump of a pumpjack or other system may be estimated based on a dynamically changing a reference torque or force curve and actual torque or force measurements during at least...
US20120010817 Continuous Gravity Survey of a Borehole  
Gravity measurements from a borehole gravity survey are obtained by continuously moving the gravity meter within the borehole. Movement-induced acceleration errors are quantified and subtracted...
US20140163886 LOCATING ARRANGEMENT AND METHOD USING BORING TOOL AND CABLE LOCATING SIGNALS  
An arrangement and an associated method are described in which a boring tool is moved through the ground within a given region along a path in which region a cable is buried. The boring tool and...
US20150134253 METHOD AND APPARATUS FOR MONITORING A DOWNHOLE TOOL  
A telemetry system and method configured to communicate a wellbore parameter such as fluid composition, temperature, and pressure. In one embodiment, a plurality of tracers is stored downhole, and...
US20130304385 HOLDING TANK MONITORING SYSTEM  
A holding tank monitoring system includes a sensor that is preferably located near the input of a holding tank and measures characteristics of the fluid entering the holding tank over time to...
US20150234081 METHOD OF ASSIGNING GEOPHYSICAL REFERENCE VALUES TO A WELL TRAJECTORY  
A method of assigning geophysical reference values to a well trajectory includes defining a set of geophysical reference parameters and assigning a range threshold to each geophysical reference...
US20110029289 ROBOTIC EXPLORATION OF UNKNOWN SURFACES  
The subject matter disclosed provides a tactile sensing device comprising an end effector and a control unit. The control unit is capable of receiving tactile information from the at least one end...
US20130245947 DOWNHOLE SYSTEMS AND METHODS FOR WATER SOURCE DETERMINATION  
A disclosed system for determining sources of water in a downhole fluid includes one or more downhole sensors that measure at least one analyte concentration in the downhole fluid, and a computer...
US20080208782 Imbibition gas well stimulation via neural network design  
A method for stimulation of gas hydrocarbon production via imbibition by utilization of surfactants. The method includes use of fuzzy logic and neural network architecture constructs to determine...
US20110093199 CHARACTERIZATION OF LOGGING TOOL PERFORMANCE  
A method for determining the measurement precision of a formation evaluation tool in a borehole comprises: a) conveying the formation evaluation tool into the borehole, b) using the formation...
US20150176407 Method of Obtaining Asphaltene Content of Crude Oils  
A method for measuring asphaltene content of a crude oil is provided. In one embodiment, the method includes measuring an optical density of a live crude oil within a well and calculating a...
US20140121971 Passive Magnetic Ranging for SAGD and Relief Wells Via a Linearized Trailing Window Kalman Filter  
A method of drilling a well is disclosed. A first estimate is obtained of a location of the well with respect to a reference well at a selected depth. A magnetic measurement is obtained at the...
US20150260039 Gravity Monitoring of a Water-Flooded Zone in Areal Sweep  
Methods, systems, and devices for characterizing a water-flooded zone in an earth formation resulting from injection of water to the formation through an injector well borehole intersecting the...
US20140172303 METHODS AND SYSTEMS FOR ANALYZING THE QUALITY OF A WELLBORE  
A method of performing wellbore operations includes calculating, based on measurements obtained by drilling a wellbore, at least one wellbore quality factor of a wellbore quality index; and...
US20120095687 METHOD OF PREDICTING SOURCE ROCK THERMAL MATURITY FROM LOG RESPONSES  
A method for estimating a property of an earth formation, the method includes: conveying a carrier through a borehole penetrating the earth formation; performing a measurement of total organic...
US20130160998 Lost Circulation Materials and Methods of Using Same  
Compositions of lost circulation materials are provided that are useful for identifying the location of fluid loss in a wellbore. The compositions include additives which enhance a property of the...
US20130197810 MONITORING OF DRINKING WATER AQUIFERS DURING POSSIBLE CONTAMINATION OPERATIONS  
A method and system for monitoring the integrity of a water aquifer is provided. The method and system generally monitors an aquifer for subsurface fractures, fluid intrusion, or water...
US20130143777 Method for Strengthening a Wellbore of a Well  
Method for substantially sealing at least a portion of a wall of a wellbore. Method includes selecting a fracture sealing width defined by the portion of the wellbore wall and the formation, and...
US20110091335 CALCULATION OF DOWNHOLE PUMP FILLAGE AND CONTROL OF PUMP BASED ON SAID FILLAGE  
Methods and apparatus are provided for determining pump fillage, using data arrays of pump plunger position with respect to time and/or pump plunger load with respect to time. In this manner, well...
US20130289879 PROCESS FOR CHARACTERISING THE EVOLUTION OF A RESERVOIR  
The application discloses a process and apparatus for characterising the evolution of a reservoir by co-analyzing the changes in the propagation times and seismic amplitudes of seismic...
US20130110401 CALIBRATION AND CONSISTENCY CHECK OF VARIABLEW VOLUME SYSTEMS  
Variable volume systems and methods of use thereof described herein are capable of making calibrated determinations of fluid properties and phase behavior of a fluid sample. The determinations can...
US20130179080 Integrated Workflow or Method for Petrophysical Rock Typing in Carbonates  
Disclosed are various embodiments of a workflow or method for petrophysical rock typing of carbonates in an oil or gas reservoir or field comprising determining a Data Scenario (DS) for the...
US20140290942 METHOD FOR INJECTING LOW SALINITY WATER  
Methods, apparatuses and computer readable instructions for determining the effectiveness of, and for performing, a low salinity waterflood. An ion diffusion distance value is determined based on...
US20120048618 METHOD FOR DETERMINING UNCERTAINTY WITH PROJECTED WELLBORE POSITION AND ATTITUDE  
A system and method for determining uncertainty of a wellbore orientation is disclosed. The system and method obtains a measurement related to a first orientation of a drill string at a...
US20150088425 System, Method & Computer Program Product to Simulate the Progressive Failure of Rupture Disks in Downhole Environments  
Systems and related methods to simulate, predict, and report progressive failures of rupture disks in response to thermal expansion of trapped annular fluids.
US20130041586 REALTIME DOGLEG SEVERITY PREDICTION  
A method for estimating an inclination and azimuth at a bottom of a borehole includes forming a last survey point including a last inclination and a last azimuth; receiving at a computing device...
US20120283950 Determination and Control of Wellbore Fluid Level, Output Flow, and Desired Pump Operating Speed, Using a Control System for a Centrifugal Pump Disposed Within the Wellbore  
A method and apparatus for determining a fluid level and/or output flow during operation of a centrifugal pump, are provided, which may be used for production of gas and/or oil from a well, and...
US20110106452 Determination and Control of Wellbore Fluid Level, Output Flow, and Desired Pump Operating Speed, Using a Control System for a Centrifugal Pump Disposed Within the Wellbore  
A method and apparatus for determining a fluid level and/or output flow during operation of a centrifugal pump, are provided, which may be used for production of gas and/or oil from a well, and...
US20120095685 REDUCING ERROR CONTRIBUTIONS TO GYROSCOPIC MEASUREMENTS FROM A WELLBORE SURVEY SYSTEM  
A method reduces gravity-dependent error contributions to gyroscopic measurements from a first gyroscopic sensor and a second gyroscopic sensor. The method includes receiving a first set of...
US20140136111 OILFIELD PRODUCTION FORECASTING SYSTEM  
A system, method and computer readable medium capable of improving the efficiency and accuracy of oilfield production forecasting operations is described herein. Measured oilfield production data...
US20140278110 TARGETED SURVEY DESIGN UNDER UNCERTAINTY  
A method, apparatus, and program product utilize global sensitivity analysis (GSA) based on variance decomposition to calculate and apportion the contributions to a total variance of a measurement...
US20140136112 PREDICTING PERFORMANCE OF GAS CONDENSATE RESERVOIRS  
Multiphase flow behavior in gas condensate reservoirs is analyzed, and in particular estimating gas condensate well deliverability. Inflow performance relationship (IPR) measures for gas...
US20110264372 Expert System For Selecting Fit-For-Purpose Technologies And Wells For Reservoir Saturation Monitoring  
Embodiments of the present invention provide a machine, program product, and computer-implemented method to select a fit-for-purpose tool for reservoir saturation monitoring. A computer stores a...
US20080091355 ATTACHING DRILLING INFORMATION TO THREE-DIMENSIONAL VISUALIZATIONS OF EARTH MODELS  
A system and method for perceiving drilling learning through visualization is provided. In one embodiment using three-dimensional visualization of the earth model as a foundation, a new IT...
US20130173165 System and Method For Artificial Lift System Surveillance  
A system, method, and computer program product are disclosed for surveillance of artificial lift systems. An Artificial Lift Surveillance Tool (ALST) is provided to identify artificial lift wells...
US20140121973 Prognostics And Health Management Methods And Apparatus To Predict Health Of Downhole Tools From Surface Check  
A method includes analyzing historical surface check data to train classifiers indicative of data separation between healthy and unhealthy downhole tools. The method also includes developing,...