Class / Patent application number | Description | Number of patent applications / Date published |
073152190 | During drilling | 16 |
20080250853 | Device for the Quantitative Analysis of Debris - Device for the quantitative analysis of debris ( | 10-16-2008 |
20090173150 | Early Kick Detection in an Oil and Gas Well - A stepped reflector on the outside of a bottomhole assembly produces two reflections in response to excitation of a transducer. The velocity of the fluid in the borehole is estimated using the two reflections. Alternatively, a change in the gas content of the borehole fluid is estimated from changes in the electrical impedance of a transducer in contact with the borehole fluid. | 07-09-2009 |
20130192360 | SYSTEMS, METHODS AND DEVICES FOR ANALYZING DRILLING FLUID - System, methods and devices for analyzing drilling fluids are presented herein. A fluid analysis system for determining at least one characteristic of a drilling fluid is disclosed. The system includes a pump and two reversible fluid ports each configured, when in a first state, to intake drilling fluid into the fluid analysis system and, when in a second state, to expel drilling fluid from the fluid analysis system. A valve fluidly couples the reversible fluid ports to the pump. The valve controls the respective states of the reversible fluid ports. At least one measurement module is fluidly coupled to the pump to receive drilling fluid therefrom. The at least one measurement module is configured to determine at least one characteristic of the drilling fluid. Filters can be fluidly coupled with each of the reversible fluid ports. The filters prevent solids of a predetermined size from entering the fluid analysis system. | 08-01-2013 |
20130255369 | HIGH PRESSURE FRACTURE TESTER - A system for testing a drilling fluid including a vessel having a fluid inlet, a filtrate outlet, a fluid outlet, and at least one permeable media disposed within the vessel. The system further including a base fluid container in fluid communication with the fluid inlet, a test fluid container in fluid communication with the fluid inlet, a filtrate container in fluid communication with the filtrate outlet, and a collection container in fluid communication with the fluid outlet. Additionally, the system includes a data acquisition device configured to receive data from at least one of the vessel, the fluid container, the filtrate container, and the collection container. Also, a method for determining sealing characteristics of a drilling fluid including injecting a test fluid having a fluid loss control material from at least fluid container to a vessel, the vessel having a permeable media having two plates disposed to create a variable gap. The methods further including measuring a fracture tip fluid loss through the variable gap and measuring a matrix fluid loss through the permeable media. | 10-03-2013 |
20140208840 | HYDROCARBON GAS DETECTION DEVICE - A device and associated method can detect hydrocarbon gas with at least a control module having a plurality of different gas detection means housed in a mobile enclosure, the control module configured to activate at least two different gas detection means to provide amounts and types of gases present in a fluid. | 07-31-2014 |
20140216150 | Lag Calculation with Caving Correction in Open Hole - A gas analyzer system that can detect atmospheric air gasses in drilling mud is used to calculate an actual lag time in a well. The calculated lag time and a theoretical lag time may be compared to estimate a caving percentage in an open hole section of the well. | 08-07-2014 |
20160047240 | Hydrocarbon Gas Detection Device - A device and associated method can detect hydrocarbon gas with at least a control module having a plurality of different gas detection means housed in a mobile enclosure, the control module configured to activate at least two different gas detection means to provide amounts and types of gases present in a fluid. | 02-18-2016 |
20160097249 | FLOW SWITCH ALGORITHM FOR PULSER DRIVER - A pulser driver assembly of a measurement-while-drilling tool that includes an improved flow switch is disclosed. The flow switch uses multiple accelerometers of different types that measure acceleration changes in a system. The accelerometer data is then filtered and processed by an onboard microcontroller. The filtered data is then passed to a fuzzy logic voting algorithm which systematically and robustly characterizes the signal, and identifies the flow state. | 04-07-2016 |
073152210 | Rate of fluid flow | 1 |
20130118249 | Method and Apparatus for Detecting Fluid Flow Modulation Telemetry Signals Transmitted from and Instrument in A Wellbore - An apparatus for detecting fluid modulation signals transmitted by an instrument in a wellbore includes a motion sensor coupled to a selected position on an exterior of a conduit coupled between a discharge side of a fluid pump and an inlet to a pipe string suspended in the wellbore. The instrument is coupled to the pipe string. A signal detector is in signal communication with the motion sensor. | 05-16-2013 |
073152220 | Pressure | 7 |
20080314137 | METHODS AND APPARATUS FOR MEASURING FORMATION PROPERTIES - This application relates to various methods and apparatus for rapidly obtaining accurate formation property data from a drilled earthen borehole. Quickly obtaining accurate formation property data, including formation fluid pressure, is vital to beneficially describing the various formations being intersected. For example, methods are disclosed for collecting numerous property values with a minimum of downhole tools, correcting and calibrating downhole measurements and sensors, and developing complete formation predictors and models by acquiring a diverse set of direct formation measurements, such as formation fluid pressure and temperature. Also disclosed are various methods of using of accurately and quickly obtained formation property data. | 12-25-2008 |
20090188312 | Apparatus and Methods for Improved Fluid Compatibility in Subterranean Environments - A device for and method of testing fluid compatibility may include placing a first fluid in a fixed-volume testing chamber and placing a second fluid in a sample chamber. The method may also include heating the fixed-volume testing chamber to about a temperature of a subterranean environment and pressurizing the fixed-volume testing chamber to about a pressure of the subterranean environment. The method may further include determining, at a temperature and pressure of about the temperature and pressure of the subterranean environment, a first rheology value of the fluid within the fixed-volume testing chamber, moving a portion of the second fluid from sample chamber into the fixed-volume testing chamber, and determining, at a temperature and pressure of about the temperature and pressure of the subterranean environment, a second rheology value of the fluid within the fixed-volume testing chamber. | 07-30-2009 |
20100186495 | DEVICES AND METHODS FOR FORMATION TESTING BY MEASURING PRESSURE IN AN ISOLATED VARIABLE VOLUME | 07-29-2010 |
20110120217 | HIGH PRESSURE FRACTURE TESTER - A system for testing a drilling fluid including a vessel having a fluid inlet, a filtrate outlet, a fluid outlet, and at least one permeable media disposed within the vessel. The system further including a base fluid container in fluid communication with the fluid inlet, a test fluid container in fluid communication with the fluid inlet, a filtrate container in fluid communication with the filtrate outlet, and a collection container in fluid communication with the fluid outlet. Additionally, the system includes a data acquisition device configured to receive data from at least one of the vessel, the fluid container, the filtrate container, and the collection container. Also, a method for determining sealing characteristics of a drilling fluid including injecting a test fluid having a fluid loss control material from at least fluid container to a vessel, the vessel having a permeable media having two plates disposed to create a variable gap. The methods further including measuring a fracture tip fluid loss through the variable gap and measuring a matrix fluid loss through the permeable media. | 05-26-2011 |
20130167627 | METHOD AND SYSTEM FOR DETERMINING A VARIATION IN A FLUSHING MEDIUM FLOW AND ROCK DRILLING APPARATUS - The present invention relates to a method for determining a variation of a flushing medium flow at a rock drilling apparatus, where a compressor ( | 07-04-2013 |
20140318233 | Transmitter Housing and Method for Measuring a Fluid Pressure - A transmitter housing for a drilling device having a drilling fluid feed line comprises a collector space formed in the interior of the transmitter housing for accommodating a pressure sensor of a locating probe. | 10-30-2014 |
20150059463 | PRESSURE BALANCED FLOW THROUGH LOAD MEASUREMENT - A technique facilitates measuring loads while compensating for the effects of differential pressure. The technique utilizes a load cell comprising a chassis and a sensing element mounted on the chassis. A housing encloses the sensing element in a chamber formed between the chassis and the housing. The housing is connected to the chassis in a manner to transfer loading, e.g. compressive, tensile, and/or torque loading. A pressure compensating piston is positioned within an interior of the chassis and the housing. A plurality of seal points is located in a manner which isolates the sensing element from the effects of differential pressures between the interior and an exterior of the load cell. | 03-05-2015 |