Patent application number | Description | Published |
20100263195 | Structural Components for Oil, Gas, Exploration, Refining and Petrochemical Applications - A method to form a pipe system which meets level II fire endurance standard according to IMO A 18/Res.753 fire testing protocol, for use in oil, gas, exploration, refining and petrochemical applications is provided. In the pipe system, each pipe section comprises a plurality of layers, an inner layer in contact with the corrosive petroleum product comprising a thermoplastic material, a structural layer comprising a composite material, and an outer layer comprising a fire resistive material. The method comprises applying energy to join the corrosion resistant layers of the separate pipe sections together forming a joint, applying an external wrap around the joint and at least a portion of the composite structural layers of the at least two pipe sections, and bonding the external wrap to the joint and the composite structural layers by chemical curing, thermal treatment, or combinations thereof. | 10-21-2010 |
20100266781 | Structural Components for Oil, Gas, Exploration, Refining and Petrochemical Applications - A method to improve corrosion, abrasion, and fire resistant properties of structural components for use in oil, gas, exploration, refining and petrochemical applications is provided. The structural component is suitable for as refinery and/or petrochemical process equipment and piping, include but are not limited to process vessels, transfer lines and process pipes, heat exchangers, cyclones, and distillation columns. The method comprises providing the structural component with a plurality of layers, a corrosion resistant layer in contact with the corrosive petroleum products comprising a material selected from amorphous metals, ceramic materials, or combinations thereof; a structural layer; and an outer layer comprising a fire resistive material. In one embodiment, the structural component is further provided with at least another layer selected from a metal sheeting layer, an adhesive layer, and a containment layer. The structural component is characterized as having excellent corrosion/abrasion/erosion properties and fire-resistant properties. | 10-21-2010 |
20100266788 | Structural Components for Oil, Gas, Exploration, Refining and Petrochemical Applications - A structural component for use in oil, gas, exploration, refining and petrochemical applications in the form of a pipe system is provided. The structural component comprises a plurality of layers, a structural layer comprising a composite material; a corrosion resistant layer for contacting the corrosive petroleum products, the corrosion resistant layer comprising an amorphous metal; a fire resistive layer having a thermal conductivity of less than 0.4 W/m° C. In one embodiment, the structural component has a burn-through time of greater than 5 minutes. In another embodiment, the structural component meets level II fire endurance standard according to IMO A 18/Res.753 fire testing protocol. | 10-21-2010 |
20100266790 | Structural Components for Oil, Gas, Exploration, Refining and Petrochemical Applications - A structural component for use in oil, gas, exploration, refining and petrochemical applications in the form of a pipe system is provided. The structural component comprises a plurality of layers, a structural layer comprising a composite material; a corrosion resistant layer for contacting the corrosive petroleum products, the corrosion resistant layer comprising a ceramic material; a fire resistive layer having a thermal conductivity of less than 0.4 W/m° C. In one embodiment, the structural component has a burn-through time of greater than 5 minutes. In another embodiment, the structural component meets level II fire endurance standard according to IMO A 18/Res.753 fire testing protocol. | 10-21-2010 |
20100279023 | Surface Treatment of Amorphous Coatings - A method to improve corrosion, abrasion, resistance to environmental degradationand fire resistant properties of structural components for use in oil, gas, exploration, refining and petrochemical applications is provided. The structural component is suitable for use as refinery and/or petrochemical process equipment and piping, having a substrate coated with a surface-treated amorphous metal layer. The surface of the structural component is surface treated with an energy source to cause a diffusion of at least a portion of the amorphous metal layer and at least a portion of the substrate, forming a diffusion layer disposed on a substrate. The diffusion layer has a negative hardness profile with the hardness increasing from the diffusion surface in contact with the substrate to the surface away from the substrate. | 11-04-2010 |
20120160707 | PROCESSES AND SYSTEMS FOR CHARACTERIZING AND BLENDING REFINERY FEEDSTOCKS - A method for characterizing refinery feedstocks according to their corrosivity is provided. The characterization is based on any of: dissociation of acids in the crude, breakup of naphthenic acid molecular associations, and/or dissociation of sulfur compounds in the feedstocks. In one embodiment, the characterization is done via vibrational spectroscopic measurements over a range of temperature, e.g., from ambient to 700° F. The method can be practiced in any of refinery, terminal, and laboratories. It can be used in conjunction with models and hardware to optimize the usage of refinery feedstocks in the blending and valuation of the feedstocks. | 06-28-2012 |
20120160709 | PROCESSES AND SYSTEMS FOR CHARACTERIZING AND BLENDING REFINERY FEEDSTOCKS - Refinery feedstocks can be characterized based on any of: dissociation of acids in the crude, breakup of naphthenic acid molecular associations, and/or dissociation of sulfur compounds in the feedstocks. The characterization is performed as a function of temperature via any of electrical resistivity measurement, vibrational spectroscopic analysis, voltammetry, electrochemical impedance spectroscopy (EIS) and combinations thereof The method can be practiced in any of refinery, terminal, and laboratories. It can be used in conjunction with models and hardware to optimize the usage of refinery feedstocks in the blending and valuation of the feedstocks. In one embodiment, the characterization of refinery feedstocks is via the use of EIS. | 06-28-2012 |
20120160736 | PROCESSES AND SYSTEMS FOR CHARACTERIZING AND BLENDING REFINERY FEEDSTOCKS - A method for characterizing and optimizing refinery feedstock blends according to their corrosivity is provided. Refinery feedstocks can be characterized based on any of: dissociation of acids in the crude, breakup of naphthenic acid molecular associations, mass changes of carbon steel samples, and/or dissociation of sulfur compounds in the feedstocks. The characterization is performed as a function of temperature via any of electrical resistivity measurement, vibrational spectroscopic analysis, voltammetry, electrochemical impedance spectroscopy, crystal microbalance measurements of weight changes, and combinations thereof. The method employs models and/or hardware to optimize the usage of refinery feedstocks in the blending and valuation of the feedstocks. | 06-28-2012 |
20120166099 | PROCESSES AND SYSTEMS FOR CHARACTERIZING AND BLENDING REFINERY FEEDSTOCKS - A system for characterizing and optimizing refinery feedstock blends according to their corrosivity is provided. Refinery feedstocks can be characterized based on any of: dissociation of acids in the crude, breakup of naphthenic acid molecular associations, mass changes of carbon steel samples, and/or dissociation of sulfur compounds in the feedstocks. The characterization can be carried out via any of impedance, spectroscopic measurements, and continuous measurements of mass changes of carbon steel samples with a crystal microbalance over a range of temperature, e.g., from ambient to 750° F. The system can be employed in any of refinery, terminal, and laboratories, using models and/or hardware to optimize the usage of refinery feedstocks in the blending and valuation of the feedstocks. | 06-28-2012 |
20130171367 | COATING COMPOSITIONS, APPLICATIONS THEREOF, AND METHODS OF FORMING - A method to protect and modify surface properties of articles is disclosed. In one embodiment of the method, an intermediate layer is first deposited onto a substrate of the article. The intermediate layer has a thickness of at least 2 mils containing a plurality of pores with a total pore volume of 5 to 50% within a depth of at least 2 mils. A lubricant material is deposited onto the intermediate layer, wherein the lubricant material infiltrates at least a portion of the pores and forms a surface layer. The surface layer can be tailored with the selection of the appropriate material for the intermediate layer and the lubricant material, for the surface layer to have the desired surface tension depending on the application. | 07-04-2013 |
20130199045 | EQUIPMENT FOR USE IN CORROSIVE ENVIRONMENTS AND METHODS FOR FORMING THEREOF - A method for forming structural equipment employed in sulfur containing environments such as oil refineries and the like. In one embodiment, the method comprises: providing a steel composition containing up to 0.35% of C, 0.30 to 3.5% Si, up to 1.2% Mo, up to 1.35% Mn, up to 5% Al, less than 12.0% Cr, balance of Fe and unavoidable impurities; forming a structural component conforming to prevailing industry standards with respect to design, fabrication, inspection and testing, metallurgical and mechanical properties. The structural equipment has a corrosion rate of less than 15 mpy. In one embodiment, the equipment is formed from a steel composition has a carbon equivalent of less than 0.63, requiring no post weld heat treatment (“PWHT”). In another embodiment, the CE is less than 0.45, requiring no preheat nor PWHT. | 08-08-2013 |
20130202906 | EQUIPMENT FOR USE IN CORROSIVE ENVIRONMENTS AND METHODS FOR FORMING THEREOF - A corrosion resistant steel pipe for use in sulfur containing environments, e.g., refineries, oil and gas exploration and/or production, etc, having a corrosion rate of less than 15 mpy upon exposure to hydrocarbons saturated with a gas stream containing 10% H | 08-08-2013 |
20130202907 | EQUIPMENT FOR USE IN CORROSIVE ENVIRONMENTS AND METHODS FOR FORMING THEREOF - A corrosion resistant pressure vessel for use in sulfur containing environments, e.g., refineries, oil and gas production facilities, etc, having a corrosion rate of less than 15 mpy upon exposure to hydrocarbons saturated with a gas stream containing 10% H | 08-08-2013 |
20130202908 | EQUIPMENT FOR USE IN CORROSIVE ENVIRONMENTS AND METHODS FOR FORMING THEREOF - Corrosion resistant structural equipment, e.g., steel pipe, for use in CO | 08-08-2013 |
20130216722 | Coating Compositions, Applications Thereof, and Methods of Forming - A method for forming protective corrosive resistant coatings on equipment is disclosed. The coating is formed from a NiCrMo alloy composition containing at least two gettering components selected from Al, Si, and Ti in an amount of up to 25 wt. %. The coating in one embodiment is applied using a thermal spray technique, e.g., twin wire arc spray, forming coatings of 5-50 mils thickness having a fine-scale micro-pore structure which is effectively non-permeable in aggressive solutions, and resist selective oxidation in thermal spraying of components for maximized corrosion performance The coating is further characterized as having excellent adhesion strength even when applied with varying parameters as in manual on-site coating applications. | 08-22-2013 |
20130216862 | Coating Compositions, Applications Thereof, and Methods of Forming - Equipment (work piece) for use in corrosive resistant coating on equipment is disclosed. The equipment has at least a portion of its surface coated with a layer formed from a NiCrMo alloy composition containing at least two gettering components selected from Al, Si, and Ti in an amount of up to 25 wt. %. The coating in one embodiment is applied on the equipment using a thermal spray technique, e.g., twin wire arc spray, forming coatings of 5-50 mils thickness having a fine-scale micro-pore structure. The coating layer is characterized as having excellent adhesion strength and corrosion resistant properties, even when applied with varying parameters as in manual on-site coating applications. In one embodiment, the coating layer has an impurity content of less than 15%. | 08-22-2013 |
20130220523 | COATING COMPOSITIONS, APPLICATIONS THEREOF, AND METHODS OF FORMING - A method for forming protective coatings on equipment is disclosed. The coating is formed from a single-component Fe-based alloy composition comprising at least two refractory elements selected from Cr, V, Nb, Mo and W in an amount of up to 30% each and a total concentration of up to 40%. In one embodiment, the single-component coating layer is applied by thermal spraying, followed by heat treatment for at least a portion of the refractory elements to fuse into the substrate forming a metallurgical bond. The coating has an adhesion strength of at least 7,000 psi measured according to ASTM D4541. The coating is further characterized as being impermeable to corrosive environments showing no pin holes in the ferroxyl test according to ASTM A967 Practice E. | 08-29-2013 |
20130224516 | COATING COMPOSITIONS, APPLICATIONS THEREOF, AND METHODS OF FORMING - Equipment having a protective coating layer for use in abrasive environments, e.g., sulfur-containing environments, is disclosed. The coating is formed from a single-component feedstock, as a Fe-based alloy composition comprising at least two refractory elements selected from Cr, V, Nb, Mo and W in an amount of up to 30% each and a total concentration of up to 40%. In one embodiment, the coating is applied by thermal spraying, followed by heat treatment for at least a portion of the refractory elements in the coating to fuse into the substrate forming a metallurgically bonded coating. The coating has an adhesion strength of at least 7,000 psi measured according to ASTM D4541. The coating layer is further characterized as being impermeable to corrosive environments showing no pin holes in the ferroxyl test according to ASTM A967 Practice E. | 08-29-2013 |
20130266798 | METAL ALLOY COMPOSITIONS AND APPLICATIONS THEREOF - A method for protecting a work piece for use in abrasive environments with hardbanding is provided. The layer is deposited onto at least a portion of the work piece to be protected. The deposited layer exhibits a hardness of at least 50 R | 10-10-2013 |
20130266820 | METAL ALLOY COMPOSITIONS AND APPLICATIONS THEREOF - A work piece for use in abrasive environments with hardbanding is provided. The work piece has at least a protective layer deposited onto at least a portion to be protected. The deposited layer exhibits a hardness of at least 50 R | 10-10-2013 |
20130289320 | Methods for Evaluating Corrosivity of Crude Oil Feedstocks - A method for determining corrosiveness of naphthenic acid in a crude oil feedstock is provided. The method includes the steps of providing a crude oil feedstock containing naphthenic acid; contacting the crude oil feedstock with iron for a period of time at a sufficient temperature for the iron to react with the naphthenic acid, forming iron salts. Under sufficiently high temperatures, at least a portion of the iron salts decompose to form ketone, which can be quantified. Measurements of the ketone can be used to correlate with the amount of iron lost from corrosion given a certain level of naphthenic acid present, giving a measure of the corrosivity of crude oil feedstock. | 10-31-2013 |
20140020783 | Method and Apparatus for Reducing Fluid Flow Friction in a Pipe - A tubular pipe adapted for transporting oil and water may be treated upon its interior surface to reduce frictional pressure of a multiphase oil/water mixture flowing through the pipe. The tubular pipe may have an interior wall and a central cavity. In some instances, the interior surface is provided with a first textured region being adapted for reducing the adhesive forces of transported oil along the interior wall. A second region upon the interior wall may be adapted for reducing the adhesive forces of water along the interior wall of the tubular pipe. In some applications, riblets may be provided upon the interior pipe wall to further reduce the frictional forces of fluid flowing through the central cavity of the pipe. | 01-23-2014 |