Halliburton Energy Services, Inc. ("HESI") Patent applications |
Patent application number | Title | Published |
20140262268 | Drilling and Completion Applications of Magnetorheological Fluid Barrier Pills - A well apparatus including a magnetic field source positioned in a borehole and a magnetorheological fluid that forms a barrier pill proximate to the magnetic field source where the barrier pill formation isolates one well zone from another well zone. The apparatus may be used to define a treatment or cementation zone. A method for utilizing the apparatus for creation or maintenance of a well includes introducing a magnetorheological fluid into a borehole, forming a downhole barrier pill by providing a magnetic field source proximate to the fluid, and isolating one well zone from another well zone. | 09-18-2014 |
20140222343 | DISTRIBUTED FEEDBACK FIBER LASER STRAIN SENSOR SYSTEMS AND METHODS FOR SUBSURFACE EM FIELD MONITORING - A disclosed subsurface electromagnetic field monitoring system includes at least one fiberoptic cable to optically communicate measurements from an array of electromagnetic field sensors in a borehole. The array of electromagnetic field sensors includes a distributed feedback fiber laser strain sensor with electromagnetic field sensitivity | 08-07-2014 |
20140219056 | FIBEROPTIC SYSTEMS AND METHODS FOR ACOUSTIC TELEMETRY - A disclosed acoustic telemetry system includes a downhole acoustic telemetry module that generates an acoustic uplink signal such as a pulsed fluid flow or compressional waves in a tubing string wall. An optical waveguide transports an optical signal representing the acoustic uplink signal to the surface interface. A related telemetry method includes acquiring measurements downhole, transmitting the measurements in the form of an acoustic signal, and sensing the acoustic signal via an optical waveguide. | 08-07-2014 |
20140191761 | Fiberoptic Systems and Methods for Subsurface EM Field Monitoring - A disclosed subsurface electromagnetic field monitoring system employs at least one fiberoptic cable to optically communicate measurements from an array of electromagnetic field sensors in a borehole. A data processing system that receives the measurements and responsively models the subsurface electromagnetic field, which in at least some cases is generated by a controlled source such as a downhole electric or magnetic dipole source or a casing that serves as an electrode for injecting a distributed current into the formation. At least some disclosed method embodiments include: receiving measurements from an array of electromagnetic field sensors via a fiberoptic cable in a borehole; modeling a subsurface electromagnetic field based on estimated formation parameters to predict said measurements; adjusting the estimated formation parameters to improve a match between predicted measurements and received measurements; and displaying the estimated formation parameters after matching the predicted measurements to the received measurements. | 07-10-2014 |
20140191120 | Fiberoptic Systems and Methods for Formation Monitoring - A disclosed formation monitoring system includes a casing that defines an annular space within a borehole. An array of electromagnetic field sensors is positioned in the annular space and configured to communicate with the surface via a fiberoptic cable. A computer coupled to the fiberoptic cable receives said measurements and responsively derives the location of any fluid fronts in the vicinity such as a an approaching flood front to enable corrective action before breakthrough. A disclosed formation monitoring method includes: injecting a first fluid into a reservoir formation; producing a second fluid from the reservoir formation via a casing in a borehole; collecting electromagnetic field measurements with an array of fiberoptic sensors in an annular space between said casing and said borehole, said array communicating measurements to a surface interface via one or more fiberoptic cables; and operating on said measurements to locate a front between the first and second fluids. | 07-10-2014 |
20140180592 | Downhole Fluid Tracking With Distributed Acoustic Sensing - Various disclosed distributed acoustic sensing (DAS) based systems and methods include embodiments that process the DAS measurements to detect one or more contrasts in acoustic signatures associated with one or more fluids flowing along a tubing string, and determine positions of the one or more contrasts as a function of time. The detected contrasts may be changes in acoustic signatures arising from one or more of: turbulence, frictional noise, acoustic attenuation, acoustic coupling, resonance frequency, resonance damping, and active noise generation by entrained materials. At least some of the contrasts correspond to interfaces between different fluids such as those that might be pumped during a cementing operation. Certain other method embodiments include acquiring DAS measurements along a borehole, processing the measurements to detect one or more acoustic signature contrasts associated with interfaces between different fluids in the borehole, and responsively displaying a position of at least one of said interfaces. | 06-26-2014 |
20140175272 | Remote Work Methods and Systems Using Nonlinear Light Conversion - A disclosed remote work system includes a light source and a nonlinear converter optically coupled to and remote from the light source. The nonlinear light converter converts a narrowband light pulse received from the light source to a converted spectrum light pulse. The system also includes a work element coupled to the nonlinear light converter. The work element performs a work operation using the converted spectrum light pulse. A related remote work method includes generating a narrowband light pulse and conveying the narrowband light pulse to a remote location. The method also includes converting the narrowband light pulse to a converted spectrum light pulse at the remote location. The method also includes performing a sense operation or work operation at the remote location using the converted spectrum light pulse. | 06-26-2014 |
20140175083 | Digital Multi-Use Thermo-Cup - A multi-use thermal cup device is provided that includes a cup, a sensor, a thermometer, a user interface, and an electronic controller. The cup has at least one heating element disposed between its inner and outer walls. Electro-mechanical connection points are included on the outer wall of the cup and the electronic controller, which are sized to allow the controller to be connected to the cup at a distance sufficient to insulate the controller from heat dispersed from the cup. An insulating air gap is formed between the cup and the electronic controller to protect the controller from any dissipating heat. The controller is programmable to direct the power supply to the heat conductors and to control the function of any device connected to the sensor in response to information received from the sensor and the user-defined sampling parameters. | 06-26-2014 |
20140172302 | Downhole Treatment Monitoring Systems and Methods Using Ion Selective Fiber Sensors - A disclosed system includes a plurality of ion selective fiber sensors configured to measure treatment concentration variance, and a computer in communication with the plurality of ion selective fiber sensors. The computer determines treatment coverage for different downhole zones using information received from the plurality of ion selective fiber sensors. A disclosed method includes collecting data from a plurality of ion selective fiber sensors configured to measure treatment concentration variance. The method also includes determining treatment coverage for different downhole zones using information received from the plurality of ion selective fiber sensors. A disclosed downhole treatment management system includes a data analysis unit that collects data from a plurality of downhole ion selective fiber sensors configured to measure treatment concentration variance, and that determines treatment coverage for different downhole zones using the collected data. The downhole treatment management system also includes a treatment control interface in communication with the data analysis unit. The treatment control interface updates treatment operations using treatment coverage information determined by the data analysis unit. | 06-19-2014 |
20130118744 | Self-Degrading High Temperature Stable Gel for Downhole Applications - A method of treating a subterranean formation including providing a treatment fluid comprising an aqueous carrier fluid, a crosslinking agent, a pH-adjusting agent, and a terpolymer that comprises 2-acrylamido-2-methylpropanesulfonic acid, acrylamide, and acrylic acid monomer units, or any salt thereof, where the treatment fluid does not include any gel stabilizers, or only minimal amounts of gel stabilizers. The treatment fluid is introduced into a subterranean formation and is allowed to form a gel in the subterranean formation. The gel is broken, without using an external breaker, after the gel has been in the subterranean formation for at least about one day. | 05-16-2013 |