In order to explore the changing law and influencing factors of the filtering performance of natural gas filter elements under high pressure conditions, four types of filter elements were selected as the research objects, and field tests and…
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…
The Sichuan Basin is the earliest natural gas discovery and utilization area in the world, where the modern natural gas industry of New China started. Through nearly 7 decades of development, a natural gas industrial system with complete upstream,…
The development of the natural gas exploitation and transport industry involves both research in the field of compressor mechanics and their automatic control. The paper contains four parts and presents the state of research regarding the automation…
Scope: This part of ISO 21809 specifies requirements for field joint coating of seamless or welded steel pipes for buried and submerged sections of pipeline transportation systems used in the petroleum, petrochemical and natural gas industries as…
Some emerging countries, such as Brazil, have large remaining natural gas resources but relatively poor infrastructure to monetize it. When most of the natural gas extraction derives from associated gas, this results in high reinjection rates in…
China has been attempting to realise green sustainable economic development. Thus, China has proposed and begun to implement the ‘switching from coal to gas’ policy to realise the energy structure transition but neglected to consider seasonal natural…
An electric-driven reciprocating compressor set is the main energy-consuming equipment of a natural gas filling station, and the efficiency of a compressor set is one of the key indicators in reasonably characterizing and scientifically evaluating…
Scope: This part of ISO 21809 specifies requirements for field joint coating of seamless or welded steel pipes for buried and submerged sections of pipeline transportation systems used in the petroleum, petrochemical and natural gas industries as…
The Camisea Pipelines Transportation System (STD) owned by Transportadora de Gas del Peru (TGP) is operated and maintained by Compania Operadora de Gas del Amazonas (COGA). The system consists of two pipelines: a 730-kilometer long Natural Gas (NG)…
The low accessibility of natural gas fields and transporting pipelines requires portable online analyzers of the composition of natural gas, ensuring nearly chromatographic precision and capable of in situ analysis of a wide range of gases, including…
Some emerging countries, such as Brazil, have large remaining natural gas resources but relatively poor infrastructure to monetize it. When most of the natural gas extraction derives from associated gas, this results in high reinjection rates in…
Natural gas transportation fuels are credited in prior studies with greenhouse gas emissions savings relative to petroleum-based fuels and relative to the total emissions of biofuels. These analyses, however, overlook a source of potentially large…
The storage of natural gas in geological structures such as depleted fields, aquifers and salt caverns plays an important role in a gas supply system as it balances the fluctuation of gas demand and price. Hydraulic loss due to fluid flow through gas…
To study the influence law between pressure loss of conveyor system and parameters of hydraulic transmission system for cutter-suction mining in submarine natural gas hydrate exploitation, such as diameter, velocity, volume fraction and particle…
Nowadays, most of the worlds energy consumption is from fossil fuels. One of these fossil fuels is natural gas condensate which consists of various hydrocarbon components and could be used as the main fuel resource. However, these condensates contain…
An in-situ spiral separator was designed to sand removal and purification NGH to solve the problems of equipment wear, reservoir collapse and so on, based on the solid fluidization method and combined with the physical properties of mixed slurry.…
Scope: This document specifies a method for the determination of hydrogen sulfide content in working field natural gas of upstream area by laser absorption spectroscopy. The analytical range expressed as mole fraction is 10 10-6 to 20 %. The…
Focusing on the state of explosion overpressure field, a number of pressure transducers were installed in the axial and radial directions in the large-scale space. The explosion overpressure fields at different volume fractions of natural gas were…
Improving predictive models for noble gas transport through natural materials at the field-scale is an essential component of improving US nuclear monitoring capabilities. Several field-scale experiments with a gas transport component have been…
As a tropical and highly mountainous country, Colombia has varying levels of atmospheric humidity across its regions. These humidity levels affect combustion parameters in premixed combustion systems such as laminar burning velocity, adiabatic flame…
Previous experimental results on full-scale jet fires induced by high-pressure hydrogen/natural gas transient leakage can only be suitable for solving practical engineering problems, or testing the limitation of previous models. Thus, this paper…
To understand the isotope fractionation of methane (CH4) during thermochemical sulfate reduction (TSR), isothermal pyrolysis of CH4/N2 gas involving gypsum + MgCl2 and MgSO4 solutions were conducted in a gold-tube system. CH4 was oxidized to generate…
CNOOC has been involved in a pilot study to determine the efficacy of Organic Oil Recovery (OOR, a unique form of microbial enhanced oil recovery) as a means of maximising oil recovery from its Scott field. CNOOC s operated Scott asset came on stream…
Gas turbines are often the master pieces of the utilities that power Oil and Gas (O&G) installations as they most often operate in off-grid mode and must reliably deliver the electric power and the steam streams required by all the…
Natural gas hydrates, crystalline solids whose gas molecules are so compressed that they are denser than a typical fluid hydrocarbon, have extensive applications in the areas of climate change and the energy crisis. The hydrate deposit located in the…
The domestic and abroad experience of production test of natural gas hydrate shows that the problem of sand production is a key factor restricting the effective development of hydrate resources. From the perspective of the flow in porous media of…
We present a tool for modeling the performance of methane leak detection and repair programs that can be used to evaluate the effectiveness of detection technologies and proposed mitigation policies. The tool uses a two-state Markov model to simulate…
With depletion and natural decline of the sour gas fields in Germany, many conventional gas sweetening plants have been abandoned for economic reasons. A study and a concept selection were conducted to identify technical and economical competitive…
Greenhouse gas (GHG) emissions from the process of natural gas development is an important emission source in the fossil energy system. Research on greenhouse gas emissions from the oil and gas system is still in its infancy in developing countries…
Natural gas hydrates are a potential energy resource that can ease the energy crisis, and their development has attracted an increasing amount of worldwide attention. Submarine natural gas hydrates are mainly stored in the shallow strata of deep…
Geologic reservoirs containing gas hydrate occur beneath permafrost environments and within marine continental slope sediments, representing a potentially vast natural gas source. Numerical simulators provide scientists and engineers with tools for…
In recent years, relevant authorities have successively issued strict control indicators on the tail gas emission of sulfur recovery facilities, so standard tail gas emission from the sulfur recovery facilities in natural gas purification plants is…
This paper present the idea of a natural gas reservoir, which uses technology of gas storage by adsorption on activated carbon. Such reservoir can be feeded with Liquid Natural Gas. The framework of article includes theoretical principals of…
Natural gas is widely considered as the key feedstock to enable the transition from the oil to the renewables era. Despite its vast reserves, the use of this resource to produce energy and chemicals does not match its full potential. The main reason…
The use of natural gas hydrate as a strategic alternative energy has increasingly attracted the attention of researchers in related fields. To study the properties of natural gas hydrate, however, obtaining the cores under in-situ pressure is a…
This paper reviews recent contributions on the liquefied natural gas (LNG) value chain in the field of process systems engineering (PSE). While previous review articles deal with specific topics for each issue on the LNG value chain, this paper deals…
The Cornegliano Laudense Natural Gas Storage Project consists in the conversion of a depleted gas field into two underground gas clusters interconnected by a DN600 (24") clad gas pipeline at 170 barg. A major design challenge of the interconnection…
The Keshen gas field is located in the central part of Kuqa depression in Tarim Basin, and is another large gas field discovered after Kela2 gas field. Since the breakthrough in 2008, a number of large and medium scale gas reservoirs including…
Comprehensive analyses of karst reservoir development characteristics and productivity testing of completed wells in the reservoirs of the Sinian Dengying Formation, Anyue gas field, Sichuan Basin, are combined with the development mechanisms for…
Liquefaction and then transportation to the market is one of the promising options for the utilization of associated natural gas resources which are produced in oil fields. However, the flow of such resources is normally unsteady. Additionally, the…
This study aims to determine several key parameters of a liquefied natural gas (LNG) pool fire on land through a field test. The mass burning rate was 0.186 kg/(m2 s) using the thermocouple method. Through the analysis of high-speed camera images,…
The Sinian Dengying Formation gas reservoir in the Anyue Gas Field of the Sichuan Basin is an ultra-deep ancient dolomite karst gas reservoir, whose development is of high difficulty, for the reservoir is thin and scattered with strong heterogeneity…
The paper presents the results of an experimental study of the behaviour of formation and decomposition of natural gas hydrates of the Srednevilyuiskoe and Otradninskoe gas condensate fields depending on the concentration of sodium bicarbonate…
An improved current-modulated cavity ring-down spectroscopy(CRDS) approach is proposed and the experimental results reported in this article. The step-wise fine current modulation is imposed on the laser driving direct current (DC) component and…
Ultrasonic gas flowmeters (UGFM) are extensively used in petroleum, chemical, natural gas and other fields because of their distinctive measurement advantages. As the core technology of the UGFM, digital signal processing technology determines its…
The main load-bearing component of a suspension cable spanning natural gas pipeline is a cable with considerable flexibility, which is prone to large deformation and stress under the action of pigging load. Once load exceeds the design allowable…
Centrifugal Fluid Separation technology, in particular Supersonic Gas Separation (SGS), is one of the potential technologies considered for offshore CO2 capture. SGS has advantages in terms of CAPEX, hydrocarbon losses, footprint, tonnage and power…
CO2 is one of the major contaminants in natural gas produced from the reservoir. Many gas fields are not monetized due to the presence of high levels of CO2 in the natural gas reservoir (in some locations, as high as 80%). SNG (solidified natural…
Purpose: The purpose of this paper is to ascertain the harm to personnel and equipment caused by an external explosion during natural gas explosion venting. The external explosion characteristics induced by the indoor natural gas explosion are the…