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Sladic

John Sladic, Dyce GB

Patent application numberDescriptionPublished
20150034329Downhole Tool and Method - A downhole tool (02-05-2015

John S. Sladic, Katy, TX US

Patent application numberDescriptionPublished
20120298356Dual-Purpose Steam Injection and Production Tool - A dual-purpose tool can be used for steam injection and production in a wellbore. A mandrel deploys in the wellbore to communicate steam in a steam injection operation and to communicate production fluid from the wellbore during production operations. A distributor on the mandrel has nozzles for injecting steam into the wellbore and has production valves for producing fluids from the wellbore. A screen can be used to screen production fluids as they are produced through the production valves. The nozzles can also allows produced fluids to flow into the mandrel, or backflow valves can be used to restrict flow of produced fluids through the nozzles while permitting the flow of steam out of the nozzles.11-29-2012
20130319664Inflow Control Device Having Externally Configurable Flow Ports - A completion joint 12-05-2013
20140238657Erosion Ports for Shunt Tubes - A gravel pack apparatus for a wellbore has a shunt tube disposed along the apparatus near a wellscreen. The shunt tube is typically composed of stainless steel and has an internal passage for conducting slurry. Along its length, the tube has flow ports for passing the conducted slurry into the wellbore. The exit ports can use erosion inserts composed of erodible material, barrier inserts having breakable barriers, flow nozzles with external sheaths or caps, erosion-resistant bushings disposed on the flow nozzles, etc. The tube can also include a tube body having the exit ports and flow nozzles integrally formed thereon. The tube body can couple end-to-end with sections of shunt tube.08-28-2014
20140262260Sand Control Screen Having Improved Reliability - A sand control device is used for restricting the flow of particles from a subsurface formation into a tubular body within a wellbore during production operations. The sand control device is divided into compartments along its length that provide redundancy for particle filtration. Each compartment first comprises a base pipe. The base pipe defines an elongated tubular body having a permeable section and an impermeable section within each compartment. Each compartment also comprises a first filtering conduit and a second filtering conduit. The filtering conduits comprise filtering media and generally circumscribe the base pipe. The filtering conduits are arranged so that the first filtering conduit is adjacent to the non-permeable section of the base pipe, while the second filtering conduit is adjacent to the permeable section of the base pipe.09-18-2014
20140262322Apparatus and Methods for Well Control - A completion joint 09-18-2014
20150226040Leak-Off Assembly for Gravel Pack System - A gravel pack assembly for a borehole has first and second joints and a foil. The basepipes of the joints connect end-to-end, and both of the basepipes having filters for filtering fluid passage from a borehole into bores of the basepipes. Transport tubes are disposed along the first and second joint, and a jumper tube expands across the connected ends of the basepipes and connects the transport tubes together. The foil encloses an area across the connected ends. The foil has an external surface defining an annulus thereabout with the borehole. The foil has end rings abutting the filters of the joints. At least a section of the foil leaks fluid from the borehole to the area enclosed by the foil, and at least a filter portion of the assembly filters the leaked fluid from the area to at least one of the first and second bores.08-13-2015

Patent applications by John S. Sladic, Katy, TX US

John Steven Sladic, Katy, TX US

Patent application numberDescriptionPublished
20160102532ENHANCED EROSION RESISTANCE WIRE SHAPES - A filter assembly comprising a tubular member, one or more support members disposed on the tubular member, and a wire disposed on the support members. One or more spaces are formed between adjacent portions of the wire. The wire includes a wire shape having substantially flat side surfaces such that an elongated channel is formed between adjacent wire shapes.04-14-2016
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