Class / Patent application number | Description | Number of patent applications / Date published |
166222000 | WHIRLING OR LATERAL DISCHARGE OR PROJECTABLE NOZZLES | 19 |
20090032247 | Eductor Jet Bushing for Downhole Use - A jet bushing for a wellbore cleanup tool features a jet looking uphole to reduce turbulence at the outlet ports that look downhole to accommodate the recirculation flow around the tool that captures the cuttings. The uphole oriented port keeps the pumped fluid downhole from having to make a u-turn to get back uphole and reduces turbulence to allow a higher recirculation flow at the tool to pick up and capture cuttings within the tool. | 02-05-2009 |
20100108309 | Downhole Fluid Injection Dispersion Device - The invention described herein is directed to a downhole fluid injection dispersion device. This invention may be employed to radially disperse fluid injected downhole in a well bore. This invention comprises a body comprising an inlet port and at least two radial outlet ports. | 05-06-2010 |
20110017445 | Method and Device for Making Lateral Openings out of a Wellbore - A method and device for making lateral openings out of a wellbore in a well formation where fluid is made to flow through a motherbore tubular like a completion or production pipe and then through a needle pipe that is aimed at the formation, and where the method includes positioning a needle pipe that comprises at least one pipe section inside or outside a motherbore tubular; and arranging the at least one pipe sections to be telescopically displaceable with regard to an other pipe. | 01-27-2011 |
20110017446 | Downhole Fluid Injection Dispersion Device - The invention described herein is directed to a downhole fluid injection dispersion device. This invention may be employed to radially disperse fluid injected downhole in a well bore. This invention comprises a body comprising an inlet port and at least two radial outlet ports. | 01-27-2011 |
20110024107 | DOWNHOLE FLUID INJECTION DISPERSION DEVICE - The invention described herein is directed to a downhole fluid injection dispersion device. This invention may be employed to radially disperse fluid injected downhole in a well bore. This invention comprises a body comprising an inlet port and at least two radial outlet ports. | 02-03-2011 |
20110073301 | WELL JET DEVICE FOR LOGGING AND DEVELOPING HORIZONTAL WELLS WITH ABNORMALLY LOW FORMATION PRESSURE - A logging instrument, movably arranged sealing unit and jet pump mount on a flexible smooth pipe. Pump diffuser output connects to the annular space, the nozzle thereof connected to the pipe inner cavity. An in-channel return valve supplies pumped out medium. Circulation valves are arranged in the tubing string above the packer and carrier ring with an opening for mounting an element is disposed above said circulation valves. The element is in form of a body filled with elastic space plates set and thrust washers and thrust pressure element situated thereabove. Support socket with thrust flange made on lower end thereof and with movable thrust collar mounted thereon secures in a body lower part. A sealing ring is placed between the thrust collar and the lower part of a body. The invention increases operational reliability and productivity of the device during treatment of a productive formation and well testing. | 03-31-2011 |
20120118562 | SYSTEM, APPARATUS AND METHOD FOR ABRASIVE JET FLUID CUTTING - A system, apparatus and method for abrasive jet fluid cutting is provided wherein an abrasive jet fluid cutting assembly comprises a hose for receiving a coherent abrasive jet-fluid containing a solid abrasive; a helix/spring attached inside the high-pressure hose; and a jet-nozzle connected to the hose. Wherein the coherent abrasive laden jet-fluid is pumped under high pressure through the high-pressure hose and across the helix. As the jet-fluid traverses the helix, the jet-fluid rotates at a high rate creating a vortex. The disclosed subject matter further includes a system and method for using the abrasive jet fluid cutting nozzle assembly. | 05-17-2012 |
20120175106 | Drilling Fluid Diverting Sub - A well drilling sub has a body with a threaded upper end for connection into a drill pipe string and a threaded lower end for connection and rotation with an earth boring bit. An axial passage in the body conveys drilling fluid to an outlet in the earth boring bit. Diverting nozzles in the body are in fluid communication with the axial passage. Each nozzle diverts and discharges a portion of the drilling fluid being pumped down the axial passage. Each diverting nozzle has a nozzle axis that points upward and outward and also at a oblique angle. The oblique angle lags a radial plane considering a direction of rotation of the body. | 07-12-2012 |
20120199342 | WELLBORE METHOD AND APPARATUS FOR COMPLETION, PRODUCTION AND INJECTION - Apparatus associated with the production of hydrocarbons comprising a joint assembly comprising a main body portion having primary and secondary fluid flow paths, wherein the main body portion is attached to a load sleeve assembly at one end and a torque sleeve assembly at the opposite end. The load sleeve may include at least one transport conduit and at least one packing conduit. The main body portion may include a sand control device, a packer, or other well tool for use in a downhole environment. Included is a coupling assembly having a manifold region in fluid flow communication with the second fluid flow path of the main body portion and facilitating the make-up of first and second joint assemblies with a single connection. | 08-09-2012 |
20120298351 | Fracturing Nozzle Assembly with Cyclic Stress Capability - A fracturing jet nozzle assembly features a series of angles nozzles on a rotatably mounted plate that operates in conjunction with a central nozzle or nozzles. The slanted nozzles are aimed into the perforation where the central nozzle is aimed directly so that the rotation of the nozzle plate from the slanted nozzles results in cyclic impacts in the perforation from where the fractures will propagate. The cyclic loading results in greater fracture formation and propagation. In another variation, relatively movable plates employing slanted nozzles rotate one plate with respect to another to get the effect of cyclic pulses of jetting fluid impingement in the perforation to enhance formation and propagation of fractures from the perforation. | 11-29-2012 |
20130000888 | JETTING TOOL FOR WELL CLEANING - The invention provides for a jetting tool for use with a drillstring. The tool generally includes a tubular main body having an inlet and an outlet arranged in fluid communication via a fluid conduit, the main body defining at least one aperture along its length. The tool also includes an elongate outer ring assembly configured for fitment about the main body to enclose the at least one aperture. This ring assembly defines an upper circumferential fluid port and a lower circumferential fluid port, each port configured to operatively direct fluid towards the other. The tool also typically includes a valve assembly receivable inside the fluid conduit, the valve assembly displaceable between a drilling position, wherein fluid is able to pass from the inlet to the outlet via the fluid conduit, and a jetting position, in which fluid is diverted from the inlet to the upper and lower fluid ports via the aperture. The valve assembly is configured to displace to the drilling position upon receiving an activator body via pressurised fluid through the drillstring. | 01-03-2013 |
20130112399 | Erosion Resistant Flow Nozzle for Downhole Tool - An erosion resistant nozzle is brazed to the surface of a tubular, such as a shunt tube of a wellscreen apparatus, for use in a wellbore. The nozzle is elongated and defines an aperture for communicating exiting flow from the tubular's port. The lead end of the nozzle disposed downstream of the exiting flow can be lengthened to prevent erosion to the tubular. The lead endwall of the nozzle's aperture can be angled relative to the nozzle's length and can be rounded. The nozzle can be composed of an erosion resistant material or can be composed of a conventional material having an erosion resistant coating or plating thereon. Being elongated with a low height, the nozzle can have a low profile on the tubular, and the aperture's elongating can be increased or decreased to increase or decrease the flow area through the nozzle. | 05-09-2013 |
20130213636 | SYSTEM, APPARATUS AND METHOD FOR ABRASIVE JET FLUID CUTTING - A system, apparatus and method for abrasive jet fluid cutting is provided wherein an abrasive jet fluid cutting assembly comprises a hose for receiving a coherent abrasive jet-fluid containing a solid abrasive; a helix/spring attached inside the high-pressure hose; and a jet-nozzle connected to the hose. Wherein the coherent abrasive laden jet-fluid is pumped under high pressure through the high-pressure hose and across the helix. As the jet-fluid traverses the helix, the jet-fluid rotates at a high rate creating a vortex. The disclosed subject matter further includes a system and method for using the abrasive jet fluid cutting nozzle assembly. | 08-22-2013 |
20140041859 | REVERSIBLE PORTED SUB ASSEMBLY - A reversible ported sub assembly has an upper connection assembly, a ported lower end assembly and a reversible ported jetting member. The reversible ported jetting member has a central through-bore and jet ports extending laterally from the central through-bore to the outer surface of the ported jetting member at an acute angle relative to the longitudinal axis of the central through-bore. The reversible ported jetting member can be flipped or reversed so that the jet ports can be optionally oriented generally upwardly or downwardly within a wellbore, as desired. A removable plug member can be optionally installed to prevent fluid flow through the ported lower end assembly. | 02-13-2014 |
20140209295 | Downhole Pressure Nozzle and Washing Nozzle - Disclosed is a nozzle apparatus attached to a pressurized liquid source wherein the nozzle apparatus that can be inserted downhole into a well casing. The nozzle apparatus comprises an attachment component of at an open end of a hollow cylinder that comprises the nozzle. The nozzle is in communication with a pressurized liquid supply source. The hollow cylinder extends from the attachment component. The cylinder has a closed end; and a plurality of apertures extending from an interior surface of the hollow cylinder to an outer surface of the hollow cylinder sides. The outer surface of the nozzle cylinder can be uneven. The outer surface of the nozzle cylinder can have an unequal radius. The nozzle surface can contain bypass slits. In one embodiment the nozzle can have a threaded attachment component at the bottom. A scrapper or other cleaning device can be attached to the threaded component. | 07-31-2014 |
20150292301 | DOWNHOLE CHEMICAL INJECTION SYSTEM HAVING A DENSITY BARRIER - A downhole chemical injection system for positioning in a well. The system includes a generally tubular mandrel having an axially extending internal passageway and an exterior. The mandrel includes an injection port in fluid communication with the internal passageway or the exterior of the mandrel. A chemical injection line is coupled to the mandrel and is operable to transport a treatment fluid from a surface installation to the mandrel. A check valve is supported by the mandrel and is in downstream fluid communication with the chemical injection line. A density barrier is fluidically positioned between the check valve and the injection port. The density barrier has an axial loop and a circumferential loop relative to the mandrel forming an omnidirectional low density fluid trap, thereby preventing migration of production fluid from the injection port to check valve regardless of the directional orientation of the well. | 10-15-2015 |
166223000 | Rotary or projectable | 3 |
20090308595 | Well cleaning apparatus - A well cleaning apparatus comprises water jets rotating on a vertical feed conduit which is rotatably mounted at the top of the well and fed by a stream of fluid pumped from the well by a submersible pump. The apparatus has a housing attached above the inlet pipe to hold an atomizer which allows a deodorizing vapor to be drawn into the conduit by the feed stream. The water jets have deflectors mounted at the end of the jets to direct the effluent being pumped through them. | 12-17-2009 |
20100258299 | WELL CLEANING APPARATUS - Systems, apparatus and methods are described that can be used for cleaning wells using unfiltered fluids and fluids that contain solid matter. Spray nozzles cooperate with deflectors to direct and outflow of the apparatus to surfaces to be cleaned. The apparatus comprises a mixer having an inner chamber, an inlet and a plurality of outlets. Deflectors are attached to associated outlets. The inner chamber has an impact surface located opposite the inlet, the impact surface redirecting the flow of fluid proportionately to the outlets and minimizes eddies in the flow of fluid. The deflectors generate a force from the fluid flow that includes rotational and/or translational components sufficient to cause rotation about a first axis and/or translation along a second axis. | 10-14-2010 |
20120152527 | EXIT ASSEMBLY WITH A FLUID DIRECTOR FOR INDUCING AND IMPEDING ROTATIONAL FLOW OF A FLUID - According to an embodiment, an exit assembly comprises: a first fluid inlet; a first fluid outlet; and at least one fluid director, wherein the fluid enters the exit assembly in one direction, in another direction, or combinations thereof, and wherein the at least one fluid director induces flow of the fluid rotationally about the assembly when the fluid enters in the one direction and impedes flow of the fluid rotationally about the assembly when the fluid enters in the another direction. In another embodiment, the exit assembly includes two or more fluid inlets. According to another embodiment, a flow rate restrictor comprises: a fluid switch; and the exit assembly. According to another embodiment, the flow rate restrictor is for use in a subterranean formation. | 06-21-2012 |