Abstract
Within the context of energy efficiency and environmental safety, the creation of energy and water supply systems integrated with the units for utilization of combustible waste, low-pressure gases and industrial wastewater are of high priority for oil and gas enterprises. A method for the synthesis of these rational systems and a two-dimensional model for evaluating performance indicators are proposed. We have developed alternative structures based on the block-modular principle of equipment composition formation, which allows structurally parametric integration of energy and utilization modules with technological productions; performed pre-project evaluation of the effectiveness of alternative options for the energy and water supply system with the utilization of low-pressure gases, thermal neutralization of industrial wastewater for methanol recovery plants and designed a multipurpose oil and gas condensate processing enterprise. Integration of utilization, energy and technological installations in energyand water supply systems allows reducing the consumption of heat and electric energy from external sources by 56–100%, and water consumption by 40–50%. Accordingly, the cost of wastewater reducing by an average of 76–93% for oil and gas condensate processing facilities. Almost complete utilization of low-pressure hydrocarbon gases is achieved (the volume of flared emissions is reduced by 90–98%).
Highlights
The development and modernization of the energy complex of oil-gas-condensate raw materials (OGCRM) production, transportation, processing and storage enterprises is currently underway in the direction of creating our own sources of electric and thermal energy based on combined cycle plants (CCGT) and renewable resources
The obtained scientific and technical results are adapted mainly for the technological topology of oil and gas enterprises (OGE) for the extraction and transportation of OGCRM or for central power plants. They practically do not reflect a comprehensive solution to the problem of creating OGE energy- and water supply systems (EWSS), which use the potential of lowpressure hydrocarbon gases (LPHG) - gas from fields in the final period of operation, associated petroleum gases, gases of condensate stabilization, and technologies gases from processing enterprises
The aim of this study is to develop rational EWSS of OGE based on multifunctional plants with the utilization of combustible waste, LPHG and industrial wastewater
Summary
The development and modernization of the energy complex of oil-gas-condensate raw materials (OGCRM) production, transportation, processing and storage enterprises is currently underway in the direction of creating our own sources of electric and thermal energy based on combined cycle plants (CCGT) and renewable resources Scientific research in this area is concentrated in the following areas:. The obtained scientific and technical results are adapted mainly for the technological topology of oil and gas enterprises (OGE) for the extraction and transportation of OGCRM or for central power plants They practically do not reflect a comprehensive solution to the problem of creating OGE energy- and water supply systems (EWSS), which use the potential of lowpressure hydrocarbon gases (LPHG) - gas from fields in the final period of operation, associated petroleum gases, gases of condensate stabilization, and technologies gases from processing enterprises. Among the many proposed methods for utilization of LPHG for practical use on multipurpose OGE’s, the following methods are promising: conversion to methanol, used both for the needs of oil and gas production enterprises, and as raw materials for processing; fractionation and liquefaction, followed by processing into technological products or transportation to the consumer; use as a fuel in electric generating plants their own needs of OGE
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