Contaminants found in the natural gas industry can be the root cause of numerous process issues including foaming, fouling, corrosion, and solvent re-entrainment that can lead to damage of rotating equipment, poor gas quality, higher energy costs,…
This article describes the adsorption capability of natural zeolites for the purification and dehydration of natural gases. Studies were carried out with natural clinoptilolite treated with various cadmium and titanium solutions. Zeolite-containing…
During natural gas processing and gathering and transportation, water dew point and hydrocarbon dew point as two of control parameters in natural gas because of safety, economy and efficiency etc. In the field chilled mirror manual visual method…
Emulsions are common in the oil industry, being present in the extraction and production stages. Its formation occurs with the contact of brine and crude oil under intense flow. The presence of emulsified water (dispersed droplet size, φ ≤ 50 μm) in…
Water cut crude oil needs to be deeply dehydrated before further transportation or refining because water residuals not only tremendously increase the transportation cost and energy consumption, but also harm the oil delivery pipelines and refining…
• Sonochemical technique has the best effect for crude oil demulsification/dehydration. • The influence factor for sonochemical demulsification/dehydration is investigated. • Recent progress on ultrasonic demulsification equipment is introduced.…
Dehydration of natural gas by absorption using triethylene glycol (TEG) is a common industrial offshore procedure to ensure the compliance with the required water dew point specifications for midstream transportation. Two thermodynamic models, the…
The technology of natural gas dehydration with ionic liquids (ILs) as a promising method was proposed and systematically investigated in this work. The IL [EMIM][Tf2N] was screened out as an appropriate absorbent from 252 IL candidates for the…
The aim of present study is to develop a mathematical model to predict water and salt separation efficiencies in an industrial two stages crude oil desalting process. The considered process consists of mixing valve and electrostatic drums connected…
The main aim of the present study is to develop a detail mathematical model to investigate the performance of an industrial electrostatic desalting process. The dehydration process consists of a mixing valve and an electrostatic coalescer drum. The…
Quifa is one of the largest heavy-oil fields in Colombia with a total fluids production of 1,320 KBPD with a water cut of 96.7% through 272 active wells, approximatively. Facilities to handle such amounts of water, have to deliver crude oil under…
Reliable estimation of the condensed water droplets trajectories inside Supersonic separators (3Ss) during the dehydration process is essential for proper design and safe operation. Most of previous researches ignored the actual sizes of condensed…
The main problem dehydration system of XinMu Oil Field at present is high dehydration temperatures,high the amount of demulsifier, increase output moisture content year by year and more and more frequent fluctuations.Through the reform to establish a…
In this work, a mixed absorbent of an ionic liquid (IL) and triethylene glycol (TEG) is first proposed for natural gas (NG) dehydration. The hydrophilic [EMIM][BF4] is selected as an appropriate IL composition from 240 potential candidates by…
Subsea processing enables broader exploration of oil and gas reservoir, giving an increased focus on developing alternative processes for subsea oil and gas treatment. This work provides a first evaluation of a new proposed subsea natural gas…
The petroleum industry is receiving increased interest in subsea oil and gas processing as it is running out of easily accessible oil and gas reservoirs. Membrane processes fulfill subsea design requirements with a simple and compact design. However,…
Subsea natural gas reservoirs are usually saturated with water vapor that causes corrosion in pipelines and forms hydrates blocking pipes and installations. In this work, the viability of the subsea natural gas dehydration in a non-porous membrane…
Supersonic separator is investigated via process simulation for treating CO2 rich (>40%) natural gas in terms of dew-points adjustment and CO2 removal for enhanced oil recovery. These applications are compared in terms of technical and energetic…
Laval nozzle is the critical part of supersonic separator to provide refrigeration environment. Due to the back pressure at the outlet of supersonic separator in dehydration process, the condensation characteristics of water vapor and the…
The present study evaluates the potential of clean natural gas dehydration using nonequilibrium condensations in high-pressure supersonic flows. A computational fluid dynamics model is developed to study the formation of massive nanodroplets due to…
In this work, a mixed absorbent of an ionic liquid (IL) and triethylene glycol (TEG) is first proposed for natural gas (NG) dehydration. The hydrophilic [EMIM][BF4] is selected as an appropriate IL composition from 240 potential candidates by…
This article describes the adsorption capability of natural zeolites for the purification and dehydration of natural gases. Studies were carried out with natural clinoptilolite treated with various cadmium and titanium solutions. Zeolite-containing…
During natural gas processing and gathering and transportation, water dew point and hydrocarbon dew point as two of control parameters in natural gas because of safety, economy and efficiency etc. In the field chilled mirror manual visual method…
It's very common now that more and more offshore oil fields are found with high CO2 content. In certain offshore new oil field development project in South China Sea, the CO2 content is about 95%(mole) in several oil wells, so it meets with huge…
As most of the oil fields gradually come to the middle and late exploitation period, the crude oil production becomes more complex, stable and water cut is also very high. This has brought challenges to oil–water separation in onshore and offshore…
We describe herein the design of a small AC electrostatic model coalescer for investigating coalescence efficiency of water in oil emulsions. The function of the model coalescer is tested on emulsions with different water cuts. In the coalescer,…
Mature crude oil fields are often prone to high water cuts and high content of fines. The large population of small water droplets and fines forms very stable crude oil emulsions that are difficult to break using conventional treaters. The high water…
The supersonic separation is a new approach to dehydrate the natural gas in recent years. In the conventional structure, the straight tube is typically combined with a cyclone to create a strong vortex flow. The shock wave usually occurs near the…
Studies on how to reduce the methanol injection amount in a natural gas processing plant, how to improve the methanol utilization rate, and how to cut down the energy consumption of a methanol recovery unit, are of great realistic value for the Yulin…
BXY field is the largest gas field of India, located in offshore, 80 km from Mumbai city. The field produces about 32.5 MMscmd sour gas using two process complexes BXA & BXB. The field was put on production in September'1988 with initial gas…
Sweetening, dehydration, natural gas liquid (NGL) recovery, and sale gas compression are four major treatment stages for the general natural gas processing. Here, a comprehensive gas processing plant (CGPP) coupling sweetening, dehydration, NGL…
The development of offshore heavy oil field need to reduce investment, energy consumption for oil and gas processing and transportation, we should improve the process, in order to simplify the process by using advanced technology, reduce processing…
• Sonochemical technique has the best effect for crude oil demulsification/dehydration. • The influence factor for sonochemical demulsification/dehydration is investigated. • Recent progress on ultrasonic demulsification equipment is introduced.…
Routine dehydration can't be satisfied the practical demand because of the heavier, the higher salinity and the more seriously demulsification of oil. The factors affecting the desalting and dewatering during the ultrasonic pretreatment of crude oil…
Routine dehydration can't be satisfied the practical demand because of the heavier, the higher salinity and the more seriously demulsification of oil. The factors affecting the desalting and dewatering during the ultrasonic pretreatment of crude oil…
The development of offshore heavy oil field need to reduce investment, energy consumption for oil and gas processing and transportation, we should improve the process, in order to simplify the process by using advanced technology, reduce processing…
It's very common now that more and more offshore oil fields are found with high CO2 content. In certain offshore new oil field development project in South China Sea, the CO2 content is about 95%(mole) in several oil wells, so it meets with huge…
The supersonic separation is a new approach to dehydrate the natural gas in recent years. In the conventional structure, the straight tube is typically combined with a cyclone to create a strong vortex flow. The shock wave usually occurs near the…
The Brazilian offshore pre-salt cluster is one of the most important recent discoveries of hydrocarbon resources in the world. These fields normally present high CO2 content (more than 10%) and also high Gas Oil Ratio (GOR), thus might limit the oil…
Vanillin, a representative moiety of lignin, having three different oxygenated groups, was used as a model molecule on catalytic hydrodeoxygenation (HDO). The transformation of vanillin was carried out at in a batch reactor at 413–573 K, 1.2 MPa of…
Carbon dioxide emissions (CO2) during the dehydration process of natural gas are of important concerns as this gas negatively affects the climate and environment in general. Dehydration process also encounters many heating, cooling and pumping units,…
Contaminants found in the natural gas industry can be the root cause of numerous process issues including foaming, fouling, corrosion, and solvent re-entrainment that can lead to damage of rotating equipment, poor gas quality, higher energy costs,…
Emulsions are common in the oil industry, being present in the extraction and production stages. Its formation occurs with the contact of brine and crude oil under intense flow. The presence of emulsified water (dispersed droplet size, φ ≤ 50 μm) in…
To address the problems of confined space for offshore application, rotating packed bed (RPB) was firstly used to enhance the regeneration of TEG solution in natural gas dehydration process. The performance of the regeneration, which was exhibited in…
The present study evaluates the potential of clean natural gas dehydration using nonequilibrium condensations in high-pressure supersonic flows. A computational fluid dynamics model is developed to study the formation of massive nanodroplets due to…
Contaminants found in the natural gas industry can be the root cause of numerous process issues including foaming, fouling, corrosion, and solvent re-entrainment that can lead to damage of rotating equipment, poor gas quality, higher energy costs,…
As most of the oil fields gradually come to the middle and late exploitation period, the crude oil production becomes more complex, stable and water cut is also very high. This has brought challenges to oil–water separation in onshore and offshore…
Carbon capture and storage processes are sought to play a major role in reducing carbon emissions from large point sources. Petroleum refineries, in particular, produce several streams that are CO2-rich, including fluidized catalytic cracking, steam…
• Sonochemical technique has the best effect for crude oil demulsification/dehydration. • The influence factor for sonochemical demulsification/dehydration is investigated. • Recent progress on ultrasonic demulsification equipment is introduced.…
Emulsions are common in the oil industry, being present in the extraction and production stages. Its formation occurs with the contact of brine and crude oil under intense flow. The presence of emulsified water (dispersed droplet size, φ ≤ 50 μm) in…