Abstract: Some embodiments of the present BOP control systems include a system controller configured to actuate a first BOP function by communicating one or more commands to one or more nodes of a functional pathway selected from one or more available functional pathways associated with the first BOP function, each node comprising an actuatable component configured to actuate in response to a command received from the system controller, each node having one or more sensors configured to capture a first data set corresponding to actuation of the component and a processor configured to analyze the first data set to determine a useful life remaining of the component and/or compare the first data set to a second data set corresponding to a simulation of actuation of the component.

Abstract: Some embodiments of the present subsea pipe cutting apparatuses use or include a frame, one or more water jet nozzles coupled to the frame and configured to apply pressurized fluid to a pipe to cut the pipe, and one or more of: a flange configured to secure the subsea pipe cutting apparatus relative to a blowout preventer stack, one or more water jet nozzles coupled to a rotating portion of the frame and configured to rotate about the pipe, one or more water jet nozzles movable between a retracted state and a deployed state in which the one or more water jet nozzles are radially closer to the pipe than when in the retracted state, one or more water jet nozzles pivotally coupled to the frame and configured to pivot while applying pressurized fluid to a surface of the pipe, and two or more water jet nozzles.

Abstract: By one or more processors of a computing device, receive a player game election of a player, the player game election comprising a skill based video game and one or more player characteristics of the player, determine a first player eligibility of the player to participate in the skill based video game comprising verify the one or more player characteristics, send the first player eligibility to an operator of the skill based video game, receive a list of one or more players that fulfilled a win condition for the skill based video game, determine a second player eligibility to receive a payout based on the list of one or more players that fulfilled the win condition, the first player eligibility, and a player preference for a payout type, and distribute the payout to the one or more players that fulfill the win condition.

Abstract: Some embodiments of the present subsea pipe cutting apparatuses use or include a frame, one or more water jet nozzles coupled to the frame and configured to apply pressurized fluid to a pipe to cut the pipe, and one or more of: a flange configured to secure the subsea pipe cutting apparatus relative to a blowout preventer stack, one or more water jet nozzles coupled to a rotating portion of the frame and configured to rotate about the pipe, one or more water jet nozzles movable between a retracted state and a deployed state in which the one or more water jet nozzles are radially closer to the pipe than when in the retracted state, one or more water jet nozzles pivotally coupled to the frame and configured to pivot while applying pressurized fluid to a surface of the pipe, and two or more water jet nozzles.

Abstract: Diphenylamine-benzobisthiazole-diphenylamine monomers having two-photon absorption cross-sections and high solubility in organic solvents are provided. Also provided are the corresponding organo-soluble, wholly conjugated and two-photon absorbing benzobisthiazole-triarylamine polymers.

Abstract: This disclosure includes BOP control and/or power and/or data communication systems and related methods. Some systems use or include a plurality of controllers, each in communication with a BOP control network and configured to transmit information associated with the BOP, and a signal conditioning circuit in electrical communication with and configured to provide a power signal and a data signal to at least one of the plurality of controllers, the signal conditioning circuit including a signal coupler, a subsea signal decoupler, an amplifier, and/or a frequency converter, where each controller is in communication with one or more processors and is configured to transmit at least a portion of the information through the BOP control network during a respective time interval.

Abstract: A method of synthesizing a two-photon active tris(diarylamino-9,9-di(R)fluorenyl)-1,3,5-triazine compound having the structure: where Y is hydrogen, a thermally self-polymerizable acrylic, or a methacrylic group; R is an alkyl group of the formula —CmH2m+1, wherein the subscript m ranges from 1 to 6, or an alkylether group of the formula —(CH2CH2O)pMe, wherein the subscript p ranges from 1 to 5; R? is an alkyl group; and the R?—(OY)x groups are attached to the phenyl rings of the triarylamine moiety either in a para position or a meta position and the subscript x ranges from 1 to 3. The compound may be synthesized by (a) synthesizing a diarylamine intermediate, (b) synthesizing a brominated 1,3,5-triazine intermediate as a three-arm core structure, and (c) forming the two-photon active tris(diarylamino-9,9-di(R)fluorenyl)-1,3,5-triazine compound by covalently joining the diarylamine and each arm of the three-arm core structure and removing the acetone protecting groups.

Abstract: A method of synthesizing a two-photon active tris(diarylamino-9,9-di(R)fluorenyl)-1,3,5-triazine compound having the structure: where Y is hydrogen, a thermally self-polymerizable acrylic, or a methacrylic group; R is an alkyl group of the formula —CmH2m+1, wherein the subscript m ranges from 1 to 6, or an alkylether group of the formula —(CH2CH2O)pMe, wherein the subscript p ranges from 1 to 5; R? is an alkyl group; and the R?—(OY)x groups are attached to the phenyl rings of the triarylamine moiety either in a para position or a meta position and the subscript x ranges from 1 to 3. The compound may be synthesized by (a) synthesizing a diarylamine intermediate, (b) synthesizing a brominated 1,3,5-triazine intermediate as a three-arm core structure, and (c) forming the two-photon active tris(diarylamino-9,9-di(R)fluorenyl)-1,3,5-triazine compound by covalently joining the diarylamine and each arm of the three-arm core structure and removing the acetone protecting groups.

Abstract: Provided are novel 2PA-active monomers of the formula: wherein Y?H, acrylic or methacrylic moiety; R is a linear or branched alkyl group, —CmH2m+1, where m=1-6 or an alkylether group, —(CH2CH2O)pMe, where p=1-5. The number of R?—(OH)x groups, attached to the phenyl rings of the triarylamine moiety either in a para or a meta position, could be 3 or 6 per molecule, or mixtures of molecules containing 3, 4, 5, 6 in various ratios and wherein x=1, 2, or 3. R? is a linear or branched alkyl group such as —CmH2m, where m=1-6, i.e. linear —(CH2)m, where m=2-6, or branched alkyl group such as —CH2CH(R?)—, where R??—(CH2)lCH3, where l=2-6.

Abstract: Two-photon absorbing arylamine-endcapped and dialkylfluorene-bridged benzobisthiazole-based compounds are provided. These two-photon absorbing benzobisthiazole-based compounds show high solubility in nonpolar hydrocarbon solvents (oleophilicity) and high two-photon properties, especially in the nanosecond domain of pulse-laser excitation.

Abstract: Two-photon absorbing (2PA), cross-linked polyurethanes were prepared from bis(isocyanato) monomers, tris(isocyanato) monomers or a mixture of bis(isocyanato) and tris(isocyanato) monomers, in conjunction with a novel polyol molecules with donor-acceptor octupolar geometry, whose generic structure is comprised of an electron-accepting 1,3,5-triazine hub with three spokes constituted by electron-donating triarylalkylamine end-groups, which are polyfunctionalized with thermally reactive alcohol functions. The resulting neat glassy or rubbery solids are applicable in a wide range of linear & nonlinear optical applications.

Abstract: Apparatus to regulate fluid flow is disclosed. The apparatus includes a valve member deformable to distribute forces to a valve seat and prevent damage to the valve member.

Abstract: A sulfonated polyarylenethioethersulfone polymer and copolymer. The sulfonated polyarylenethioethersulfone polymer and copolymer comprises the reaction product of an aromatic dihalo functionality sulfonated monomer, an aromatic dithiol monomer, and optionally an aromatic dihalo functionality monomer. The invention also relates to methods of making the sulfonated polyarylenethioethersulfone polymer and copolymer, and to membranes made from the sulfonated polyarylenethioethersulfone polymer and copolymer.

Abstract: Polyaryleneetherketone triphenylphosphine oxide compositions incorporating cycloaliphatic units are provided which may be used as a polymeric binders in thermal control coatings for use in space environments. A method is also provided for synthesizing the polyaryleneetherketone triphenylphosphine oxide compositions. A method is also provided for synthesizing the monomeric compositions used to make the polyaryleneetherketone triphenylphosphine oxide compositions.

Abstract: An improved spool assembly for non-explosive actuators used in electro-mechanical structural separation devices. The spool assembly includes two spool halves each having external surfaces and a generally flat internal surface, a unitary and integral internal member made of an electrically conductive material and having a link-wire portion and two electrical terminal portions, and an external wrap-wire wound around the two spool halves and having a connecting end connected to the link-wire portion of the unitary and integral internal member such that the wrap-wire tightly binds the two spool halves together to form a spool for retaining an external structural member.