With the rapid development of information technology and digital communication, the data types are more abundant by integration of various technologies. In this paper, based on the analysis of a large number of historical data of oil and water wells,…
The aim of this paper is to present a secure wireless sensor network-based infrastructure for fast and accurate detection of eventual leaks that might occur in multiphase pipelines (i.e., pipelines which carry simultaneously more than one fluid). The…
Pipeline leak detection has attracted great research interests for years in the energy industry. Continuous pressure monitoring is one of the most straightforward approaches in leak detection which utilizes pressure point analysis (PPA) algorithms to…
The aim of this paper is to present a secure wireless sensor network-based infrastructure for fast and accurate detection of eventual leaks that might occur in multiphase pipelines (i.e., pipelines which carry simultaneously more than one fluid). The…
Conventional thermal energy storage (TES) media and heat transfer fluids (HTFs) currently used in commercial concentrated solar power (CSP) plants are nitrate-based molten salts with working temperature up to about 565 C. Current interest in raising…
With the increasing of fracturing scale and displacement, the risk of engineering operation is increased because the high friction of string. Therefore, it is very important to predict the friction in fracturing operation. Used the local…
In the log interpretation, it is an important task to research difference of the logging signal of different reservoir with mathematics comprehensively and accurately, so as to identify the fluid property of reservoir. The statistical trait of…
Biochemical samples are complex mixtures containing 1000's of components which often must be fractionated prior to analysis. Conventional fraction collectors, which can only accommodate 10's of fractions, are not well suited for high throughput…
Using the dielectric/permittivity spectra from liquid hydrocarbons to characterize their composition requires knowledge of their geochemistry and the geological processes that formed them. Complex permittivity measurements of two crude oils and gas…
Oil-gas-water three-phase flow is a complex time-varying nonlinear process, which widely exists in oil transportation. Oil-gas-water three-phase flow has complex interphase interface effect and relative motion. The coupling effect among three phases…
Wax deposits are formed in subsea well tubing, surface flow lines and production equipment of crude oil or gas condensate as these fluids are cooled due to heat loss to the surrounding cold sea water. These solid deposits interfere with production…
The sampling of fluids discussed in this chapter is related directly or indirectly to in situ and produced petroleum mixtures. Samples collected are used to measure physical, transport, and thermodynamic properties that impact engineering…
The sampling of fluids discussed in this chapter is related directly or indirectly to in situ and produced petroleum mixtures. Samples collected are used to measure physical, transport, and thermodynamic properties that impact engineering…
Traditionally the mixture of fluids at the wellhead is separated into its various phases. Proper separation and accurate measurement of each of the component phases is critical in determining production capabilities. Gas is separated from the liquid…
Application of blind signal processing technique on gas-liquid two-phase flowrate measurement is presented in this paper. Because flowrate is related to the differential pressure (DP) signal which is adopted near the pipe wall when the fluid is…
An experiment of vortex flowmeter in oil-gas-water vertical upward three phase flow has been reported in this paper. In this research, the diameter of the pipeline is 50mm. The flow of the water varies from 5m3 /h to 8 m3 /h. For the total mixed…
The flow patterns of oil/water two-phase flow in vertical upward pipes have been characterized by the analysis of symbolic time series based on the conductance fluctuating signals. It is shown that the temporal irreversibility and chi-square…
In order to study oil-gas-liquid three-phase flow regularity in oil well, the vertical upward three-phase flow dynamic experiment with low velocity was carried out in a large diameter (125 mm i.d.) flow loop using the combination sensors of VMEA and…
Crude oil fiscal metering is a complex metrological procedure, as the main metering means - SIKNS (crude oil quantity and quality parameters measuring systems) are affected by many interfering external factors. Among other things, paraffin deposits…
Measuring in real-time two-phase flow composition of a mixed fluid having high gas void fraction (GVF) remains a challenging task in oil-gas fields. Such fluid is abundant in gas pipelines where pressure and temperature fluctuations lead to…
In this paper, a cylindrical capacitance sensor with a multi-layer structure was presented. The mathematical model in stratified flow was established and the sensor response in non-stratified flow was also discussed. Results of static experiments…
Two-phase flow is said as the flow of two phases simultaneously in a pipe. Two-phase flow occurs in both production and injection wellbores. In injection wellbores, the two-phase moves downward and so it is known as downward flow. The complexity of…
The main problem during natural gas extraction is the hydrating risk. Hydrates could be formed at every exctraction stage: from gas foundation to the Central Processing Facility (CPF). The operation conditions could hardly ever be performed without…
In connection with extensive world-wide development of transporting gas networks the problem of the gas leakage detection on the underwater gas pipes becomes rather actual. The present paper is devoted to the solution of the problem of underwater gas…
To distribute oil derivatives by multi-product pipelines is an important problem faced by the petroleum industry. Some researchers deal with it as a discrete problem where batches of products flow in a network. Minimizing delivery time is a usual…
As the capabilities of multiphase flowmeters increase, the problems of how to validate the performance of such instruments on-line also increases. This paper considers the extent to which simple capacitance sensors could be used to determine the…
Deepwater fields are characterized by extreme low temperature and high pressure, houses huge potential amount of hydrated gas. However, deepwater is associated with scenarios such as, costly structures, scattered wells, and exploration at even…
A novel noninvasive approach to the on-line flow regime identification for wet gas flow in a horizontally mounted pipeline is proposed in this paper. Research into the flow-induced vibration response for the wet gas flow with the conditions of pipe…
Pipeline leak detection has attracted great research interests for years in the energy industry. Continuous pressure monitoring is one of the most straightforward approaches in leak detection which utilizes pressure point analysis (PPA) algorithms to…
The isolation plugging tool is normally developed for deep water pipeline repairing. It is a mechanical structure of plugging and sealing fluid in high-pressure pipelines to make sure the pipe maintenance operation under normal transmission. In order…
Liaohe Oil Field is a low permeability reservoir, formation oil poor, so far taken the field is ongoing recovery process, but the time of really pumping oil doesn't account for 20% of running time, most of the time pumping machines have "empty…
Oil-water two-phase flow is commonly encountered in industrial processes of petroleum and chemical engineering. The process parameters, such as velocity and phase concentration of the mixture are of great importance in both scientific and engineering…
The aim of this paper is to present a secure wireless sensor network-based infrastructure for fast and accurate detection of eventual leaks that might occur in multiphase pipelines (i.e., pipelines which carry simultaneously more than one fluid). The…
This paper presents a dynamic model for a novel self-drive pipeline robot or "pig," which obtains its power from the kinetic energy of fluid flow in a pipe via a turbine and a reverse-traverse screw mechanism. The new robot is designed to move both…
This paper combines the actual working conditions of MWD or LWD system, draws on non-Newtonian fluid transmission pipeline dynamics principle, and establishes a power-law fluid average friction pipeline model. On this basis, we established drilling…
Flow assurance of hydrocarbon streams in subsea systems, such as pipelines, is a very important subject in the oil and gas industry. Some of the flow assurance risks in subsea pipelines include gas hydrates, which form when light hydrocarbon…
Applying electrical heat tracing to pipelines can dramatically increase the reliability and efficiency of such pipelines. As a matter of fact over the years, electrical heat tracing has played an important role in the enhancement of flow assurance of…
Taking the assembled pipeline as research object, the deformation of sealing rubber ring was analyzed under water hammer pressure. A calculation method of pressure wave speed with fluid-structure interaction (FSI) in assembled pipeline was proposed.…
This paper is aimed at discussing the effect of corrosion propagation caused by the presence of oxygen in fluid flow induced corrosion in a pipeline. The yield and wall shear stresses of the carbon steel pipeline and the fluid flow pattern were…
In the ultrasonic Doppler flow measure method, Flow measurement is achieved by detecting the Doppler frequency shift of ultrasound during transmission in the fluid. However, the received acoustic signals are weak ones submerged in strong noise
An abnormal detection method is proposed for promotion of efficiency of state assessment because pipeline working state is judged by equipments status and oil parameters. Based on pipeline intellectualization, the pipeline data model is built rely on…
The availability of sophisticated computer-based supervisory control systems has created numerous opportunities for real-time mathematical modeling of related processes. Such models typically involve numerical solutions to fundamental relations…
This paper examines a fluid-particle flow system with constant pipe burst problems. Particles from the reservoir were found to be a major threat to the service life of conveying pipelines. This is responsible for about 65% of pipeline leakages in…
This paper researches on the energy saving economy of the oil pipeline in gaosheng when the second heat station stops heating. First, every month total heat transfer coefficient is calculated according to the historical pipeline operation data and…
Sand production in petroleum wells is a major concern for the petroleum industry. Sand production results in erosion of pipelines and damage to equipment which may lead to production shutdown and large economic losses. Detection of produced sand is…
Wax deposits are formed in subsea well tubing, surface flow lines and production equipment of crude oil or gas condensate as these fluids are cooled due to heat loss to the surrounding cold sea water. These solid deposits interfere with production…
The object of presented study is a process of fractured carbonate reservoir acidizing. For the assessment of acidizing the induced fractures from the hydraulic fracturing with proppant, the averaged mathematical model of this process was developed.…