COMPOSITIONS AND METHOD FOR TREATING OUT HYDROGEN SULFIDE AND PREVENTING SETTLING OF PRECIPITATE IN AN ENVIRONMENTALLY RESPONSIBLE DRILLING AND PACKER FLUID

An environmentally responsible iron chelating additive and method for removing hydrogen sulfide or sulfide ions from drilling and packer fluids and preventing settling of precipitates. Iron chelating agents selected from the group consisting of ferrous lactate, ferrous gluconate, ferrous bis glycina...

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Hauptverfasser: JOHN ADRIAN HALL, PRAMOD DADASAHEB NIKAM, KUSHABHAU D. TEKE
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PRAMOD DADASAHEB NIKAM
KUSHABHAU D. TEKE
description An environmentally responsible iron chelating additive and method for removing hydrogen sulfide or sulfide ions from drilling and packer fluids and preventing settling of precipitates. Iron chelating agents selected from the group consisting of ferrous lactate, ferrous gluconate, ferrous bis glycinate, ferrous citrate, ferrous acetate, ferrous fumarate, ferrous succinate, ferrous sacchrate, ferrous tartarate, ferrous glycine sulfate, ferrous glutamate, ferrous ascorbate, ferrous polymaltose, or a combination thereof, may be used. When the fluids are oil based, the iron chelating agents are added to the water phase of an emulsion, and the emulsion is added to the fluid. Viscosifiers may also be added to the drilling fluid with the emulsion. Un aditivo quelante de hierro ambientalmente responsable y un método para remover ácido sulfhídrico o iones sulfuro de fluidos de perforación y obturación y evitar la sedimentación de precipitados. Pueden usarse agentes quelantes de hierro seleccionados del grupo que consiste de lactato ferroso, gluconato ferroso, bis glicinato ferroso, citrato ferroso, acetato ferroso, fumarato ferroso, succinato ferroso, sacarato ferroso, tartrato ferroso, glicina sulfato ferroso, glutamato ferroso, ascorbato ferroso, polimaltosa ferrosa, y combinaciones de los mismos. Cuando los fluidos son de base oleosa, los agentes quelantes de hierro se añaden a la fase acuosa de una emulsión, y la emulsión de añade al fluido. También pueden añadirse viscosantes al fluido de perforación con la emulsión.
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Iron chelating agents selected from the group consisting of ferrous lactate, ferrous gluconate, ferrous bis glycinate, ferrous citrate, ferrous acetate, ferrous fumarate, ferrous succinate, ferrous sacchrate, ferrous tartarate, ferrous glycine sulfate, ferrous glutamate, ferrous ascorbate, ferrous polymaltose, or a combination thereof, may be used. When the fluids are oil based, the iron chelating agents are added to the water phase of an emulsion, and the emulsion is added to the fluid. Viscosifiers may also be added to the drilling fluid with the emulsion. Un aditivo quelante de hierro ambientalmente responsable y un método para remover ácido sulfhídrico o iones sulfuro de fluidos de perforación y obturación y evitar la sedimentación de precipitados. Pueden usarse agentes quelantes de hierro seleccionados del grupo que consiste de lactato ferroso, gluconato ferroso, bis glicinato ferroso, citrato ferroso, acetato ferroso, fumarato ferroso, succinato ferroso, sacarato ferroso, tartrato ferroso, glicina sulfato ferroso, glutamato ferroso, ascorbato ferroso, polimaltosa ferrosa, y combinaciones de los mismos. Cuando los fluidos son de base oleosa, los agentes quelantes de hierro se añaden a la fase acuosa de una emulsión, y la emulsión de añade al fluido. También pueden añadirse viscosantes al fluido de perforación con la emulsión.</abstract><oa>free_for_read</oa></addata></record>
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subjects ADHESIVES
CHEMISTRY
DYES
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
title COMPOSITIONS AND METHOD FOR TREATING OUT HYDROGEN SULFIDE AND PREVENTING SETTLING OF PRECIPITATE IN AN ENVIRONMENTALLY RESPONSIBLE DRILLING AND PACKER FLUID
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