Patent application number | Description | Published |
20100183448 | METHODS OF USE FOR A POSITIVE DISPLACEMENT PUMP HAVING AN EXTERNALLY ASSISTED VALVE - A method for operating at least one pump in a pump assembly comprises providing a pump assembly comprising a fluid end and a power end, the fluid end in communication with a fluid source and at least one downstream destination and comprising a pump housing for a pressurizable chamber, at least one valve for controlling fluid communication with the chamber, the at least one valve defining a normal duration of allowing fluid communication with the chamber during operation of the pump assembly, providing a valve actuation guide external to the chamber, the valve actuation guide coupled to the valve and operable to assist in controlling fluid communication with the chamber, operating the pump assembly, and actuating the valve actuation guide to change an aspect of the valve duration. | 07-22-2010 |
20110085924 | PUMP ASSEMBLY VIBRATION ABSORBER SYSTEM - The vibration of a pump assembly, comprising a prime mover, a multiplex fluid pump connected to a drive line, and a transmission connected to transfer torque from the prime mover to the drive line to reciprocate a plurality of plungers, and a source of harmonic excitation, is inhibited by coupling a counteracting resonant system to the pump assembly, wherein the counteracting resonant system has an oscillatory frequency matching the harmonic excitation source. Also disclosed are a pump assembly comprising the prime mover, the multiplex fluid pump, the drive line, the transmission, and the counteracting resonant system; and a pumping method comprising connecting the transmission to transfer torque from the prime mover to rotate the drive line, connecting the drive line to the multiplex fluid pump, and coupling and tuning the counteracting resonant system to the induced harmonic excitation. | 04-14-2011 |
20110110793 | SUCTION STABILIZER FOR PUMP ASSEMBLY - A fluid flow stabilizing method and a pump having a stabilized fluid flow passage where a process fluid contains suspended solid particles and is subject to pressure oscillations. The method comprises positioning an expandable membrane along the lower transverse surface, inflating the membrane with a compressible fluid, and alternatingly expanding and contracting the membrane to dampen the pressure oscillations and inhibit settling of the solid particles at the lower transverse surface. The pump comprises a stabilizer comprising a compressible fluid in an expandable membrane elongated along the lower transverse surface of a manifold in fluid communication with the fluid end. Another method comprises reciprocating a plunger in the pump to pass a slurry through the manifold, and alternatingly expanding and contracting a stabilizer in the manifold. | 05-12-2011 |
20110236225 | SYSTEM, APPARATUS, AND METHOD FOR RAPID PUMP DISPLACEMENT CONFIGURATION - A system for changing a pump displacement configuration includes a blender that provides low-pressure fluid to a pump. The pump has a power end and fluid end, where the fluid end includes a number of plungers. The system includes an actuator that couples the power end with a selectable subset of the plungers. The system further includes a controller that selects a subset of the plungers according to a job pumping rate, a job pumping pressure, and/or a fluid end failure event indicator. The controller further commands the actuator to couple the selected subset of the plungers to the power end. | 09-29-2011 |
20110289753 | LOCKING DEVICE FOR PACKING ASSEMBLY - The current application discloses a locking device for a packing assembly. The device comprises a holding end and a locking end, wherein the holding end is configured to mechanically and/or frictionally engage a fixed component of a packing assembly and the locking end is configured to mechanically and/or frictionally engage at least a portion of the packing nut so as to prevent the packing nut from rotating or otherwise changing its position. | 12-01-2011 |
20120006550 | Split Stream Oilfield Pumping Systems - A method of pumping an oilfield fluid from a well surface to a wellbore is provided that includes providing a clean stream; operating one or more clean pumps to pump the clean stream from the well surface to the wellbore; providing a dirty stream including a solid material disposed in a fluid carrier; and operating one or more dirty pumps to pump the dirty stream from the well surface to the wellbore, wherein the clean stream and the dirty stream together form said oilfield fluid. | 01-12-2012 |
20120018150 | FREQUENCY SWEEPING TUBEWAVE SOURCES FOR LIQUID FILLED BOREHOLES - A system for generating variable frequency tube waves includes a high pressure multiplex pump having a number of plungers, with each plunger operatively coupled to a suction valve on a suction side and a discharge valve on a discharge side. The suction valve or the discharge valve of a first one of the plungers includes an opening, such that the modified plunger on a discharge stroke pushes fluid through the opening in the suction or discharge valve. The system includes a tubular fluidly coupling the high pressure multiplex pump to a wellbore, and a pressure sensor that receives tube waves generated by the high pressure multiplex pump and reflected from the wellbore. | 01-26-2012 |
20130042752 | Pump Body - A pump body is pre-compressed by expanding a displacement plug in a cavity to pre-compress a portion of a pump body comprising a piston bore, an inlet bore and an outlet bore spaced from said cavity, and connected in a pump assembly. A fluid pump assembly is made up of a plurality of pump bodies connected side by side between opposing end plates with a plurality of fasteners tightened to compress the pump bodies between the end plates, wherein each pump body comprises a piston bore, an inlet bore, an outlet bore and an expanded displacement plug in a cavity; and wherein the expanded displacement plug applies a pre-compressive force at the cavity on each of the pump bodies. | 02-21-2013 |
20130092377 | USE OF A CHOPPER MECHANISM TO ADD FIBERS TO A WELL - A chopper mechanism for providing a fiber to a fluid at an oilfield. The chopper mechanism may be employed to process the fiber from an uncut form to a cut form in order to provide a mixture of the fluid and the fiber with flowback inhibiting character. Techniques of employing the chopper mechanism may be utilized at the site of an oilfield for applications such as fracturing, cementing, and drilling. Additionally, the chopper mechanism itself may be made available as a large high capacity chopper assembly, or a smaller handheld chopper gun for slower rate fiber supply operations. | 04-18-2013 |
20130098619 | SPLIT STREAM OILFIELD PUMPING SYSTEMS - A method of pumping an oilfield fluid from a well surface to a wellbore is provided that includes providing a clean stream; operating one or more clean pumps to pump the clean stream from the well surface to the wellbore; providing a dirty stream including a solid material disposed in a fluid carrier; and operating one or more dirty pumps to pump the dirty stream from the well surface to the wellbore, wherein the clean stream and the dirty stream together form said oilfield fluid. | 04-25-2013 |
20130233542 | SYSTEM AND METHOD FOR DELIVERING TREATMENT FLUID - The current application discloses methods and systems for preparing a pump-ready treatment fluid, delivering the pump-ready treatment fluid to a location operationally coupled to a wellsite, providing the pump-ready treatment fluid to a pump; and pumping the pump-ready treatment fluid into a wellbore. In some embodiments, the treatment fluid is a fracturing fluid for conducting a hydraulic fracturing operation on a subterranean formation penetrated by a wellbore. | 09-12-2013 |
20130309052 | SYSTEM AND METHOD FOR MITIGATING DUST MIGRATION AT A WELLSITE - A system and method for mitigating dust migration at a wellsite is described. An oilfield material reservoir is provided for receiving oilfield material, the oilfield material reservoir having an enclosure. A dust collector is provided for collecting dust generated at the oilfield material reservoir, and a duct in communication with the enclosure and the dust collector is provided for transferring dust generated at the oilfield material reservoir to the dust collector. | 11-21-2013 |
20130324444 | SYSTEM AND METHOD FOR DELIVERING TREATMENT FLUID - The current application discloses methods and systems for preparing a wellbore treatment fluid precursor consolidated as one or more solid bodies; delivering the solid bodies to a logistics facility; and preparing a wellbore treatment fluid from the solid bodies. In some embodiments, the wellbore treatment fluid is a fracturing fluid for conducting a hydraulic fracturing operation on a subterranean formation penetrated by a wellbore. | 12-05-2013 |
20140182371 | NON-RADIOACTIVE DENSITY MEASUREMENT IN OILFIELD OPERATIONS - A densitometer system is described. The densitometer system is provided with a tube, a stand, a torsion measuring device and a data acquisition system. The tube has a first end, an inlet section at the first end of the tube, and an outlet section at the first end of the tube. The tube has a torque arm extending between the inlet section and the outlet section. The torque arm has a first section extending away from the first end and a second section extending toward the first end. The stand has a base and at least one leg connected to the base. The at least one leg is connected to the first end of the tube to support the tube a distance from the base. The torsion measuring device is connected to at least one of the inlet section and the outlet section of the tube. The torsion measuring device measures a quantity of torsion strain in the at least one of the inlet section and the outlet section. The data acquisition system calculating a density of fluid within the tube based upon the measured quantity of torsion strain. | 07-03-2014 |
20140216736 | SYSTEM AND METHOD FOR DELIVERING TREATMENT FLUID - A system includes a regional blending facility having a number of bulk receiving facilities, where each bulk facility receives and stores a particle type having a distinct size modality, a bulk moving device that transfers particles between the bulk receiving facilities and of a blending/continuously receiving vessel and/or a mixer, and a carrying medium vessel. The mixer receives particles from the blending/continuously receiving vessel and/or the bulk moving device, receives a carrying medium from the carrying medium vessel, mixes the particles with the carrying medium, and provides a mixed treatment fluid. The system includes a fluid conduit that fluidly couples a wellsite location with the regional blending facility, where the fluid conduit delivers the mixed treatment fluid to the wellsite and/or delivers produced fluid from a wellbore positioned at the wellsite to the regional blending facility. | 08-07-2014 |
20140262338 | BLENDER SYSTEM WITH MULTIPLE STAGE PUMPS - A blending system for oilfield operations is disclosed having a first stage pump with a mixer having a housing and an impeller and configured to receive a liquid component at an initial pressure and a dry component and mix the liquid and dry components to form a slurry, add energy to the slurry to increase its pressure above the initial pressure, and discharge the slurry through an outlet at a first pressure, and a second stage pump with an inlet and an outlet, the inlet in fluid communication with the first stage pump. The second stage pump is configured to receive the slurry from the first stage pump and pressurize the slurry to a second pressure at the outlet of the second stage pump. The second stage pump is positioned relative to the first stage pump to minimize a pressure loss between the first stage pump and the second stage pump. | 09-18-2014 |
20140345865 | Wellsite Surface Equipment Systems - A system for powering wellsite surface equipment comprises at least one prime mover in communication with a fuel source for powering the prime mover and having at least one heat source, at least one pump arranged to be driven by the prime mover, the at least one pump in fluid communication with at least one wellbore and at least one fluid for use in the wellbore, and at least one auxiliary system in communication with the heat source from the at least one prime mover. | 11-27-2014 |
20150064027 | SUCTION STABILIZER FOR PUMP ASSEMBLY - A fluid flow stabilizing method and a pump having a stabilized fluid flow passage where a process fluid contains suspended solid particles and is subject to pressure oscillations. The method comprises positioning an expandable membrane along the lower transverse surface, inflating the membrane with a compressible fluid, and alternatingly expanding and contracting the membrane to dampen the pressure oscillations and inhibit settling of the solid particles at the lower transverse surface. The pump comprises a stabilizer comprising a compressible fluid in an expandable membrane elongated along the lower transverse surface of a manifold in fluid communication with the fluid end. Another method comprises reciprocating a plunger in the pump to pass a slurry through the manifold, and alternatingly expanding and contracting a stabilizer in the manifold. | 03-05-2015 |