Patent application number | Description | Published |
20080228680 | Neural-Network Based Surrogate Model Construction Methods and Applications Thereof - Various neural-network based surrogate model construction methods are disclosed herein, along with various applications of such models. Designed for use when only a sparse amount of data is available (a “sparse data condition”), some embodiments of the disclosed systems and methods: create a pool of neural networks trained on a first portion of a sparse data set; generate for each of various multi-objective functions a set of neural network ensembles that minimize the multi-objective function; select a local ensemble from each set of ensembles based on data not included in said first portion of said sparse data set; and combine a subset of the local ensembles to form a global ensemble. This approach enables usage of larger candidate pools, multi-stage validation, and a comprehensive performance measure that provides more robust predictions in the voids of parameter space. | 09-18-2008 |
20090041588 | Active valve system for positive displacement pump - An active valve system may be used to improve operation of the suction valve(s) of a positive displacement pump. As appropriate, the active valve system may apply a force to the suction valve directed to open and/or close the suction valve. By quickening the opening and/or closing of the suction valve, the pump may run at a higher speed and operate with less wear. Additionally, the active valve system may allow all suction valves of a pump to be held open for various purposes. | 02-12-2009 |
20090283260 | Methods of Initiating Intersecting Fractures Using Explosive and Cryogenic Means - Methods and systems that utilize explosive and cryogenic means to establish fluid communication to areas away from the well bore walls are disclosed. A first fracture is induced in the subterranean formation. The first fracture is initiated at about a fracturing location and the initiation of the first fracture is characterized by a first orientation line. The first fracture temporarily alters a stress field in the subterranean formation. Explosives are then used to induce a second fracture in the subterranean formation. The second fracture is initiated at about the fracturing location and the initiation of the second fracture is characterized by a second orientation line. The first orientation line and the second orientation line have an angular disposition to each other. | 11-19-2009 |
20100027371 | Closed Blending System - Methods and systems for blending a dry material with a fluid in a closed environment are disclosed. A liquid component is supplied from a liquid delivery system to a mixing chamber. A dry component or a high solid content slurry is then supplied from a dry material tank or an external proppant storage to the mixing chamber. The dry component or high solid content slurry is then mixed with the liquid component in a closed system to prepare a desired mixture. | 02-04-2010 |
20100038070 | Top suction fluid end - A positive displacement wellbore servicing pump having a power end and a fluid end is disclosed. The fluid end has a main chamber and a suction bore in fluid connection with the main chamber and the suction bore has a suction central axis vector. A discharge bore is in fluid connection with the main chamber and the discharge bore has a discharge central axis vector. A portion of the suction central axis vector is vertically higher than any portion of the discharge central axis vector. A method of providing a wellbore servicing fluid to a wellbore is also disclosed. A method of providing a wellbore servicing fluid to a fluid end of a positive displacement pump is also disclosed. | 02-18-2010 |
20100188926 | Centrifugal Mixing System - A mixing system may include a closed mixer having an inlet, a discharge, and an inlet/discharge. The mixing system may also include a recirculation line in fluid communication with the inlet and the inlet/discharge. | 07-29-2010 |
Patent application number | Description | Published |
20100300683 | Real Time Pump Monitoring - A system and method for monitoring operation of a pump are disclosed herein. The methods and systems make use of acoustic sensors to collect and analyze data in order to detect cavitation. The disclosed methods and systems may also be used to detect valve damage. The pump may be a positive displacement pump that is employed in a wellbore servicing operation such as pumping a wellbore servicing fluid into a wellbore. | 12-02-2010 |
20100310384 | System and Method for Servicing a Wellbore - A method of servicing a wellbore, comprising establishing a pumping profile having a performance plan, operating a first pump according to a first pumping parameter value, and operating a second pump according to the second pumping parameter value, wherein the second pumping parameter value is selected relative to the first pumping parameter value to improve a conformance of a phase sensitive combined pump effect operational characteristic to the performance plan. A wellbore servicing system, comprising a pump group comprising a plurality of plungers wherein at least some of the plurality of plungers are substantially configured according to an equal phase angle distribution arrangement. | 12-09-2010 |
20110011581 | System and Method for Servicing a Wellbore - A method of servicing a wellbore, comprising establishing a pumping profile having a performance plan, determining a remaining life estimate for a first wellbore servicing device, wherein the first wellbore servicing device is suitable for impacting conformance to the performance plan, and selecting a second wellbore servicing device in response to the remaining life value for the first wellbore servicing device, wherein the second wellbore servicing device is suitable for impacting conformance to the performance plan. A wellbore servicing system, comprising a first device suitable for impacting conformance to a performance plan, a first sensor configured to monitor an operational characteristic of the first device, and a controller in communication with the first sensor, the controller being configured to calculate at least one of a remaining life estimate of the first device and a probability of survival estimate of the first device. | 01-20-2011 |
20110125332 | Systems and Methods for Specifying an Operational Parameter for a Pumping System - Systems and methods for specifying one or more operational parameters for a pumping system are disclosed. A first suction pressure loss profile for a first pump in a pumping system is determined. A second suction pressure loss profile for a second pump in the pumping system is determined. The first suction pressure loss profile is compared with the second suction pressure loss profile. One or more operational parameters are specified based, at least in part, on the comparison. | 05-26-2011 |
20110202275 | DETERMINING FLUID PRESSURE - A wellbore fluid pressure measurement system includes a densometer adapted to measure a fluid density of a fluid flowing in a tubing system; and a monitoring unit communicably coupled to the densometer. The monitoring unit is adapted to receive a plurality of values representative of the fluid density from the densometer and includes a memory adapted to store the plurality of values representative of the fluid density; and one or more processors operable to execute a fluid pressure measurement module. The module is operable when executed to determine a fluid pressure of the fluid based on at least a portion of the values representative of the fluid density. | 08-18-2011 |
20120166096 | METHOD AND SYSTEM FOR TRACKING ENGINE EXHAUST EMISSIONS FROM A JOB - A computerized method and system for determining engine exhaust emissions for a job. Job utilization data is stored for each of a plurality of engines used for the job. An amount of engine exhaust emissions for each engine is determined based on the utilization data. An amount of engine exhaust emissions for the job is determined based on the amount of engine exhaust emissions for each engine. The amount of engine exhaust emissions for the job is stored and may, for example, be used for determining job cost, reporting, or controlling the job in real-time. | 06-28-2012 |
20120279721 | High pressure stimulation pump - A reciprocating apparatus for pumping pressurized fluid. The reciprocating apparatus comprises a plunger disposed within a cylinder, wherein the plunger is hollow and ported for enabling fluid within the cylinder to flow into the plunger. The plunger includes at least one outlet through which fluid within the plunger flows out of the plunger. In operation, the plunger retracts to displace fluid from the hollow body and into a discharge chamber, and the plunger extends towards the discharge chamber to discharge the displaced fluid. As the plunger alternately retracts and extends, fluid within the plunger continuously flows towards the discharge chamber. | 11-08-2012 |
20130161013 | Corrosion Resistant Fluid End for Well Service Pumps - The present invention relates to the use of corrosion resistant alloys in fluid ends to prolong the life of a well service pump. One embodiment of the present invention provides a method of providing a fluid end that has a corrosion resistant alloy having a fatigue limit greater than or equal to the tensile stress on the fluid end at maximum working pressure in the fluid end for an aqueous-based fluid; installing the fluid end in a well service pump; and pumping the aqueous-based fluid through the fluid end. | 06-27-2013 |
20140069650 | METHOD AND APPARATUS FOR CENTRIFUGAL BLENDING SYSTEM - Blending particulate and liquid to make slurry for use in oilfield operations is addressed. The blender has an upwardly facing particulate expeller with a flat base, raised hub, and generally radially extending, circumferentially spaced vanes extending upwardly from the base. The vanes extend from leading edges spaced about a vane inner diameter to tips spaced about a vane outer diameter. Adjacent expeller vanes define expeller passageways therebetween. The particulate expeller does not serve as a meaningful liquid impeller and the blender does not act significantly as a pump. The expeller has a several preferred diameter, clearance, height and length dimensions and ratios. Wide, deep expeller inlets and shallow, narrow outlets enhance particulate entry and minimize expeller torque. Vane extensions impart velocity to the particulate upon contact and minimize sensitivity to particulate entry velocity. Maximized circumferential overlap of adjacent vanes reduces liquid back-flow. | 03-13-2014 |
20140149043 | Determining Fluid Pressure - A wellbore fluid pressure measurement system includes a densometer adapted to measure a fluid density of a fluid flowing in a tubing system; and a monitoring unit communicably coupled to the densometer. The monitoring unit is adapted to receive a plurality of values representative of the fluid density from the densometer and includes a memory adapted to store the plurality of values representative of the fluid density; and one or more processors operable to execute a fluid pressure measurement module. The module is operable when executed to determine a fluid pressure of the fluid based on at least a portion of the values representative of the fluid density. | 05-29-2014 |
20140151062 | Wellhead Flowback Control System and Method - A wellbore servicing system disposed at a wellbore, the wellbore servicing system comprising at least one wellbore servicing equipment component, wherein a flow path extends from the wellbore servicing system component into the wellbore, and a flow-back control system, wherein the flow-back control system is disposed along the flow path, and wherein the flow-back control system is configured to allow fluid communication via the flow path in a first direction at not less than a first rate and to allow fluid communication via the flow path in a second direction at not more than a second rate, wherein the first rate is greater than the second rate. | 06-05-2014 |
20140151065 | Fast Pressure Protection System and Method - A wellbore servicing system, the system comprising at least one wellbore servicing equipment component, wherein a flow path extends from the wellbore servicing system component into a wellbore penetrating a subterranean formation, and a pressure control system in fluid communication with the flow path, wherein the pressure control system comprises a relief path configured to communicate fluid through the pressure control system, a pressure control device configured to permit fluid communication between the flow path and the relief path upon experiencing a pressure and/or a differential pressure of at least a predetermined pressure threshold, and a first valve disposed within the relief path, wherein the first valve is configured to actuate from an open configuration to a closed configuration. | 06-05-2014 |
20150027727 | TUBULAR STRING DISPLACEMENT ASSISTANCE - A displacement assistance device can include at least two flow paths in fluid communication with a flow passage, and a blocking member that blocks flow through each flow path in response to the flow through that flow path. A method of assisting displacement of a tubular string can include installing the tubular string, then discharging a blocking member into the tubular string, and flowing a fluid through a flow passage extending longitudinally through a displacement assistance device connected in the tubular string, thereby causing the member to repeatedly block flow through at least two flow paths in succession. A system can include a displacement assistance device connected in a tubular string, the device including at least two flow paths in communication with a flow passage extending through the tubular string, and a blocking member that alternately blocks flow through the flow paths in response to flow through the flow passage. | 01-29-2015 |
20150083400 | SYSTEM AND METHOD FOR CHANGING PROPPANT CONCENTRATION - Disclosed are systems and methods utilizing multiple parallel pumps to deliver a mixture of the proppant and clean fluid via a manifold trailer. One method of providing a step-change in proppant concentration includes selecting a first flow rate for a first pump connected between a first input node and first output node, calculating a first transit time for a flow of a fluid at the first flow rate through a first flow path extending from the first inlet node, through the first pump, and to the first outlet node, and calculating a second flow rate for a second pump connected between the first input node and the first output node such that a second transit time for a flow of the fluid through a second flow path extending from the first inlet node, through the second pump, and to the first outlet node is equal to the first transit time. | 03-26-2015 |