Most of the oil wells in China use sucker rod pump. Traditionally, manual patrol is used to find the working conditions of pumping wells. In the trend of oilfield automation and intelligence, this traditional working mode can not adapt to the…
Because of kinds of regulating commands, Oil and gas pipelines in operation can occasionally generate a series of conditions consisting of stopping transportation, starting transportation, distribution, increment, internal pump regulation of single…
Decision on a strategy for effective predictive Reliability, Availability, Maintainability and Safety (RAMS), by the application of Bayesian networks, while ensuring a better preserving of the operators and installation safety in its entirety. A…
Due to the shortage of the fossil fuel and with the increasing demand for it, heavy crude oil and ultra heavy crude oil whose density is less than 10API and 20API respectively are getting more attentions in the world. But their properties of heavier…
Control loop performance assessment (CLPA) has attracted considerable interest in recent years. Several methods for CLPA are proposed by researchers in last decade. Statistical methods are one of most important methods in CLPA. This paper addresses…
Fluid Catalytic Cracking Units in oil refineries are prime candidates for implementation of advanced control functions for both operational and economic reasons. This paper discusses an actual advanced control implementation project on a commercial…
The combination design of predictive functional control and PID method (PFC-PID) for liquid level of industrial coking equipment is presented. The control target is to maintain the liquid level of a coking fractionating tower within a set range by…
Fire propagation in hydrocarbon storage tank farms is a critical safety issue in oil industries. This is an intriguing topic due to its severe impact on environment, economy, and more importantly on human lives. Contradictions in standards and codes…
Water injection exploration is a primary technology to ensure crude oil production. Especially during the mid to late term of oil field development, no water injection means no crude production. Therefore, oilfield companies set up large injection…
The Trans-Alaska pipeline was built to transport crude oil from the Prudhoe Bay field on the North Slope of Alaska to an ice-free port in south-central Alaska. The 48 in pipeline has a design capacity of two million barrels per day but is currently…
Trans Mountain owns and operates approximately 1300 km of pipelines in Alberta, British Columbia and Washington state. These pipelines transport a variety of liquids including crude oils, refined products and methyl tertiary butyl ether. They…
This paper provides an overview of key barriers to be considered when analyzing motor control designs in order to prevent runaway motors, especially runaway motor driven pumps against closed valves with the potential to lead to fire. A Failure Modes…
To improve the flow characteristics of diesel engines with twin intake ports, this study evaluates the installation of guide vanes of varying lengths, heights and angles in front of the intake runner of a CA4DD diesel engine. Considering the…
Industrial sensing applications place a premium on cost-effectiveness and accuracy. Traditional approaches often use expensive, invasive sensors from concern that inexpensive, non-invasive sensors will incur many false positives. High sensor cost…
The installation and use of a 3500 HP adjustable-speed drive on a crude-oil/natural-gas pipeline is described. The unit presented is a variable-frequency induction motor drive using gate turn-off thyristors. It increased the capacity of the pipeline…
There are two common flow regulation methods for crude oil pipeline, regulating valve opening and frequency converter speed regulation. The basic principle of frequency converter speed regulation and the principle of frequency converter power-saving…
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…
This article presents the simulation and hydraulic assessment of the Sarir field - Tobruk terminal pipeline. The pipeline transports crude oil from Sarir field in the South East of the Libyan Sahara desert to the Tobruk terminal in the East of the…
This study considers the simulation of the pipeline that transports crude oil from Sarir field in the South East of the Libyan Sahara desert to the Tobruk terminal which is located in the East of the Libyan coast. The VariSim pipeline simulation…
To prevent slug-flow on offshore oil production units, controlling a subsea pressure is the recommended solution. However, the subsea pressure is not often available as a measurement. The top-side pressure is usually measured but it is difficult to…
The aim of this work is to propose a formal model for determining the dynamic optimal path for transfer operations on an oil flow network within real conditions of exploitation such as maintenance activities and alignments in-service. The study…
A typical challenge in the oil and gas industry when transporting hydrocarbon fluids, is the instabilities associated with the flow resulting from pressure and flow fluctuations. U-shape riser or platform to platform pipeline configuration also faces…
Reliable sand monitoring is an important component of offshore sand management. Existing designs of sand monitor are widely used and often provide useful results, but they can require regular calibration and may struggle to provide reliable…
Pressure loss is the technical and economic indicator for the amount of energy consumed in the course of transmission. The calculation of on-way resistance coefficients and local resistance coefficients were analyzed. The calculation model of on-way…
In this paper, we propose a simple model to represent the slugging flow regime appearing in vertical risers. We consider a one dimensional two-phase flow composed of a liquid phase and a gaseous compressible phase. The presented model can be applied…
The relevance of the development of technical means and methods aimed at protecting against freezing of the internal mobile element of the check valve on the fountain armature of an oil and gas wells operating in periodic mode is shown. It is…
There are many types of fires in petrochemical plants, which are destructive and difficult to rescue.According to the current situation of difficult fire fighting in petrochemical industry, this paper analyzes the fire characteristics of…
To clean the produced water is always a challenging critical issue in the offshore oil & gas industry. By employing the plant-wide control technology, this paper discussed the opportunity to optimize the most popular hydrocyclone-based Produced Water…
A method of image compression or dimensional reduction is proposed to avoid the dimension disaster in machine learning and the bottleneck in extracting and selecting sensitive characteristics, which can make it easier for automatic image recognition.…
The vapor emission control of citywide service stations in Beijing has completed in 2008. 40 service stations have been tested according to China national standards between year 2008 to 2010, and 5 service stations have been tested in 2010 time after…
Learning experiences encountered on a large variable-frequency induction motor drive installation are reported. The drives were widely dispersed at multiple locations and generally fed from very weak power systems. This paper discusses several…
To overcome the effect of floating platform heave motion on the drilling operation, a new crown-block heave compensation system with compound cylinders is developed. The new heave compensation system has certain advantages, such as low derrick, short…
This research article deals with an issue of temperature regulation in an autoclave. To solve this problem it is proposed to use the simulation model of autoclave operation which can -depending on a number of input parameters- simulate the autoclave…
Industrial sensing applications place a premium on cost-effectiveness and accuracy. Traditional approaches often use expensive, invasive sensors from concern that inexpensive, non-invasive sensors will incur many false positives. High sensor cost…
Learning experiences encountered on one of the largest installations of variable frequency (AC adjustable speed) drives, at widely dispersed multiple locations, and generally on very weak power systems. This paper discusses several different and…
A load commutated inverter (LCI) drive was applied to an existing 8000 HP synchronous motor driving a centrifugal compressor at a gas processing plant. The purpose of this retrofit was to reduce the operating cost of the plant by variable speed…
Two key issues of fault diagnosis for the pump valves of reciprocating pump are extracting the fault feature information of nonstationary time variation process efficiently from system feature signals and classifying the faults feature correctly. A…
This paper proposes a connected graph for describing the technology flow of the oil transmission station. By classifying the nodes of the connected graph, the problem of deciding the operation procedures for a specific scheduled task can be…
According to the theory of fluid-structure interaction, the optimal adjusting model of valve is established to control surge pressure and stress in pipeline. It can be solved with direct search toolbox in MATLAB. The optimal closure rules of valve…
The Strategic Petroleum Reserve (SPR) is a multi-mission project required by law to maintain a prescribed degree of readiness and a mandated performance criteria. The prediction of operational availability is essential to determine operational…
The installation and use of a 3500 HP adjustable-speed drive on a crude-oil/natural-gas pipeline is described. The unit presented is a variable-frequency induction motor drive using gate turn-off thyristors. It increased the capacity of the pipeline…
There are two common flow regulation methods for crude oil pipeline, regulating valve opening and frequency converter speed regulation. The basic principle of frequency converter speed regulation and the principle of frequency converter power-saving…
Double-seated control valves are used to a lot of industrial applications due to advantages of reduction in actuator force, a great flow capacity and a deal of slurry fluids. The authors have developed an innovative structure with a compact body…
Based on the sea depth of 1,500 m in the South China Sea, this paper focuses on the overall design ideas and methods of subsea manifolds with double flow line and double input. The layout scheme of different valves and pipelines and the space volume…
In order to analyze fluctuation characteristics in ABS braking pipelines, obtain the controlling parameters during braking and improve control quality, bench tests of fluctuation load device were carried on. When 160N braking force and 320N braking…
A 5 kW gasoline generator was converted into gas generator that could run on pipeline natural gas. A fire-restrain device and pressure reducer are designed to ensure safety. The measures such as increasing the compression ratio, enlarging spark…
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…