Abstract: Compositions, treatment fluids, and methods for providing corrosion inhibition in subterranean operations, pipelines, and other related operations are provided. In one embodiment, the methods comprise providing a tagged corrosion-inhibiting additive that comprises an imidazoline-based compound bonded with a detectable moiety; and introducing the tagged corrosion-inhibiting additive into at least a portion of a subterranean formation or pipeline.

Abstract: A baseplate is attachable to a structure in the vicinity of an electrical power source. Optionally, the baseplate may be shaped so that when attached to the structure, the baseplate lies on at least one edge of an opening. The baseplate may have a plurality of connectors for connecting accessories. In different embodiments, the baseplate or faceplate system (which may be modular) attaches to a junction box, and/or may be installed in an opening for a light switch and/or outlet. The faceplate system may be modular. Optionally, accessories and/or other electrical components may communicate with one another via the base plate. Optionally, accessories and/or other electrical components may share power with one another, via the baseplate. Optionally, the accessories and/or other electrical components may communicate with a remote device.

Abstract: A method for inhibiting erosion (wear)-corrosion of downhole components in a secondary lift system, the method comprising: introducing a corrosion inhibitor and a lubricating agent into a wellbore; allowing the corrosion inhibitor and the lubricating agent to mix with a produced fluid to form a mixture; and recovering the mixture from the wellbore through a production tubing, wherein the corrosion inhibitor and/or the lubricating agent contact one or more of the downhole components of the secondary lift system. A system for inhibiting wear in secondary recovery comprising: a casing disposed in a producing wellbore; a production tubing extending into the casing; a downhole equipment disposed in the production tubing, wherein the downhole equipment comprises at least one equipment selected from the group consisting of a sucker rod, a plunger, and an electrical submersible pump; a treatment fluid for introduction into an annulus disposed between the casing and the production tubing.

Abstract: An improved lid and pail combination provides a child resistant connection for use with pails.

Abstract: Compounds comprising multiple hydrophilic heads and a lipophilic tail may be contacted with a metal or other surface so as to adhere to the surface and inhibit corrosion, among other things. Suitable hydrophilic heads may include quaternary ammonium cation moieties, phosphonium cation moieties, and combinations thereof. Such corrosion-inhibiting compounds may be introduced into a wellbore penetrating at least a portion of a subterranean formation, for instance in oil and/or gas recovery operations and the like, whereupon the compound may adhere to a metal or other surface downhole so as to inhibit corrosion of the surface. These compounds may be employed in various other environments, such as any metal or other surface that may be exposed to corrosive conditions.

Abstract: A system for inspecting an interior surface of a girth weld region of a pipeline includes a robot that includes a scanner mounted on a carriage for scanning the interior surface of the girth weld region to generate surface profile data. A profile analyzer receives the surface profile data and outputs an indication of whether the interior surface of the girth weld region is suitable for being coated. In some embodiments, an imaging system captures images of the girth weld region as it is being scanned. In a method of coating the girth weld regions of a pipeline, the images of a girth weld region found to be unsuitable for being coated based on the scanning data are used to certify whether the girth weld region is suitable for being coated.

Abstract: Compounds comprising multiple hydrophilic heads and a lipophilic tail may be contacted with a metal or other surface so as to adhere to the surface and inhibit corrosion, among other things. Suitable hydrophilic heads may include quaternary ammonium cation moieties, phosphonium cation moieties, and combinations thereof. Such corrosion-inhibiting compounds may be introduced into a wellbore penetrating at least a portion of a subterranean formation, for instance in oil and/or gas recovery operations and the like, whereupon the compound may adhere to a metal or other surface downhole so as to inhibit corrosion of the surface. These compounds may be employed in various other environments, such as any metal or other surface that may be exposed to corrosive conditions.

Abstract: Compositions, treatment fluids, and methods for providing corrosion inhibition in subterranean operations, pipelines, and other related operations are provided. In one embodiment, the methods comprise providing a tagged corrosion-inhibiting additive that comprises an imidazoline-based compound bonded with a detectable moiety; and introducing the tagged corrosion-inhibiting additive into at least a portion of a subterranean formation or pipeline.

Abstract: Compounds comprising multiple hydrophilic heads and a lipophilic tail may be contacted with a metal or other surface so as to adhere to the surface and inhibit corrosion, among other things. Suitable hydrophilic heads may include quaternary ammonium cation moieties, phosphonium cation moieties, and combinations thereof. Such corrosion-inhibiting compounds may be introduced into a wellbore penetrating at least a portion of a subterranean formation, for instance in oil and/or gas recovery operations and the like, whereupon the compound may adhere to a metal or other surface downhole so as to inhibit corrosion of the surface. These compounds may be employed in various other environments, such as any metal or other surface that may be exposed to corrosive conditions.

Abstract: Compounds comprising multiple hydrophilic heads and a lipophilic tail may be contacted with a metal or other surface so as to adhere to the surface and inhibit corrosion, among other things. Suitable hydrophilic heads may include quaternary ammonium cation moieties, phosphonium cation moieties, and combinations thereof. Such corrosion-inhibiting compounds may be introduced into a wellbore penetrating at least a portion of a subterranean formation, for instance in oil and/or gas recovery operations and the like, whereupon the compound may adhere to a metal or other surface downhole so as to inhibit corrosion of the surface. These compounds may be employed in various other environments, such as any metal or other surface that may be exposed to corrosive conditions.

Abstract: A modulation distortion compensation system for a phase locked loop 109 includes a compensation function (115) that is arranged to be coupled to a tuning voltage signal (117) corresponding to a tuning voltage from the phase locked loop and is configured to select a filter response from a plurality of filter responses, where the filter response corresponds to the tuning voltage. The distortion compensation system further includes a filter 224 that is configured to distort a modulation signal in accordance with the filter response and provide a distorted signal suitable for being coupled to a modulation input 211 of a feedback divider 209 included with the phase locked loop, wherein the distorted signal when used by the feedback divider will facilitate modulation and compensation of a radio frequency signal provided by the phase locked loop. Various environmental measurements in addition to the tuning voltage can also be used in selecting the filter response.

Abstract: Disclosed are methods and compositions for assays related to particle formation of the HIV virus.

Abstract: A prescaler (100) includes a frequency divider (102) having an input node (136) and a divider output (128). The frequency divider is coupled to a clock signal and has a predetermined divisor. Series-coupled delay elements (104, 106, 108) are coupled to the divider output and to the clock signal. Each delay element includes a delayed output (130, 132, 134) and adds a delay equal to the clock period at the delayed output. The prescaler also includes transmission gates (112, 114, 116), each transmission gate coupled between the input node and the delayed output of a corresponding one of the delay elements. When one of the transmission gates is enabled and couples the delayed output of an nth one of the delay elements to the input node, the divider output frequency equals the clock frequency divided by the predetermined divisor plus n.

Abstract: A method and apparatus for constructing a temporary road bed include a mat formed from a plurality of planks having a longitudinal dimension and spaced-apart a uniform distance by a spacer. A flexible cable extends through apertures in the planks and spacers for coupling the planks and spacers together. The flexible cable allows the mat to bend and conform to the ground surface and can be rolled and folded upon itself. In one embodiment, the planks include at least one recess in a top face for interlocking with a plank of a second mat. The mats can be coupled together in an end-to-end relation to obtain a desired length or width or in a stacked relation to obtain a desired thickness of the road bed.

Abstract: A prescaler (100) includes a frequency divider (102) having an input node (136) and a divider output (128). The frequency divider is coupled to a clock signal and has a predetermined divisor. Series-coupled delay elements (104, 106, 108) are coupled to the divider output and to the clock signal. Each delay element includes a delayed output (130, 132, 134) and adds a delay equal to the clock period at the delayed output. The prescaler also includes transmission gates (112, 114, 116), each transmission gate coupled between the input node and the delayed output of a corresponding one of the delay elements. When one of the transmission gates is enabled and couples the delayed output of an nth one of the delay elements to the input node, the divider output frequency equals the clock frequency divided by the predetermined divisor plus n.

Abstract: A method and apparatus for constructing a temporary road bed include a mat formed from a plurality of planks having a longitudinal dimension and spaced-apart a uniform distance by a spacer. A flexible cable extends through apertures in the planks and spacers for coupling the planks and spacers together. The flexible cable allows the mat to bend and conform to the ground surface and can be rolled and folded upon itself. In one embodiment, the planks include at least one recess in a top face for interlocking with a plank of a second mat. The mats can be coupled together in an end-to-end relation to obtain a desired length or width or in a stacked relation to obtain a desired thickness of the road bed.

Abstract: A method is provided for forming a recyclable plastic container component with an integral preform. A preform is placed within a mold recess. The mold is closed to capture the preform, thereby forming a flow passage with a shape corresponding to contours of the container component. Plastic is injected into the flow passage under pressure. The injected plastic bonds to an edge portion of the preform. The molded component is then cooled and removed from the mold.

Abstract: A container assembly is provided including a cover and a container. The cover and container components are adapted to resist deformation resulting otherwise from forces encountered during handling and storage. Accordingly, the resulting container assembly can withstand side impact, stacking and internal pressure.

Abstract: A method is provided for forming a recyclable plastic container component with an integral preform. A preform is placed within a mold recess. The mold is closed to capture the preform, thereby forming a flow passage with a shape corresponding to contours of the container component. Plastic is injected into the flow passage under pressure. The injected plastic bonds to an edge portion of the preform. The molded component is then cooled and removed from the mold.