Energy Transfer Agrees To Acquire SemGroup for $5.1 Billion
The deal sees Energy Transfer gain, among other assets, various crude and natural gas liquids pipelines running from the Denver-Julesburg and Anadarko Basins.
McDermott Completes First Installation Campaign for R-Cluster Project Offshore India
Completion comes despite two cyclones disrupting the project area during installation, McDermott said.
Deepwater Symposium: Sensors, Analytics Help Maintain Pipeline Integrity
At the 2016 Gulf of Mexico Deepwater Technical Symposium in New Orleans, a presentation discussed the application of sensors and analytics in pipeline integrity management systems.
Experimental Investigation of Three-Phase Low-Liquid-Loading Flow
An experimental study was conducted by use of a 6-in.-inner-diameter facility to analyze three-phase stratified wavy flow in horizontal pipelines.
Monitoring of Oil and Gas Pipelines by Use of VTOL-Type Unmanned Aerial Vehicles
Use of unmanned aerial vehicles to monitor pipeline networks for theft and other issues is discussed.
Effectiveness of Bypass-Pigging Solutions in Multiphase-Flow Pipelines With Waxy Crude Oil: Evaluation and Innovative Solution
Bypass pigging has advantages over conventional approaches. Its application to multi-phase flow with high wax content crude is discussed.
A New Method for Leak Detection in Gas Pipelines
A simple, practical, and reliable method to detect a gas leak under the conditions of unknown inlet or outlet gas rate, or unknown inlet or outlet pressure, is highly desirable. This paper discusses such a method.
Optimization of Fuel Consumption in Compressor Stations
Compressor stations often consume 3-5% of the gas they are transporting as fuel. How to minimize this fuel consumption in an optimal manner is the subject of this paper.
Multifaceted Approaches for Controlling Top-of-the-Line Corrosion in Pipelines
This paper reviews the mechanisms of initiation and the prevention of top-of-the-line corrosion (TLC). Recent research and developments are highlighted and validated to arrive at best practices for control of this significant corrosion manifestation.
An Evaluation of Risk of Hydrate Formation at the Top of a Pipeline
Water condensation and/or hydrate formation at the top of pipelines are serious design/operation considerations in pipelines. This paper reports the results of tests conducted in a new experimental setup constructed for investigating gas-hydrate risks in varied operational scenarios.
Defoamer Improves Flow, But Effect Is Temporary
A relatively small concentration of a defoamer can have a significant impact on the dynamics of multiphase flow within a pipe, but the effect is generally temporary.
Implementing a Deepwater-Pipeline-Management System
There are few deepwater-pipeline operators with expertise in pipeline repairs. This paper describes a strategy developed and implemented on deepwater-pipeline intervention, based on a deepwater operational experience built over a decade.
Improved Paraffin-Deposition-Profile Estimation in Hydrocarbon Pipelines and Effective Mitigation Review
This paper illustrates a numerical approach to estimate the deposition profile of precipitated wax crystals and its effect on flow-related parameters in pipelines. Options for avoiding these issues are also explored.
Subsea Hardware Spend Forecast To Double From 2013 to 2017
Deepwater activity is booming in the Golden Triangle (Brazil, west Africa, and the Gulf of Mexico), which is forecast to account for 44% of total subsea hardware expenditure. Trunkline projects are of particular significance.
World Demand for Onshore Pipeline Construction to Grow From 2013 to 2017
Pipelines play a vital supporting role in the energy supply chain as one of the most efficient modes of hydrocarbon transportation. Unconventional resource development and LNG have set the stage for growth in onshore pipelines.
Available Methodologies Concerning the Treatment and Removal of Sand From Pipelines and Associated Case Studies
This paper discusses the available methodologies for remediation of a pipeline affected by sand and presents examples where the discussed methodologies have been applied.
Pipeline Integrity Assessment Using Probabilistic Transformation Method and Corrosion Growth Modeling Through Gamma Distribution
This paper presents a methodology to estimate the probability of failure of every individual corrosion defect and the residual likelihood of failure of an overall corroded pipeline segment after selected repairs, using structural probabilistic analysis.
Design of Gelled Fluid for Debris Removal in Subsea Pipeline
This paper presents the results of tests conducted to design a fast-breaking gelled fluid for a debris-removal operation in a long, large-diameter subsea pipeline in the Asia Pacific region. where traditional pigging was not an option.
Trenching of Pipelines for Protection in Ice Environments
This paper highlights the issues and challenges surrounding pipeline trenching and burial in ice-gouge environments. The current state of practice is discussed along with the technology gaps that need to be addressed.
Numerical Simulation of Transient Flow in a Gas Pipeline and Tank
This paper shows that viscosity has a significant influence on gas transient flow in pipe- and tank-leakage evaluation. This led to the development of a methodology for more reliable evaluation of gas transient flow.
Assessment of Deliverability of a Natural-Gas-Gathering and -Production System: Development of an Integrated Reservoir/Surface Model
The present work describes the development of a 1D steady-state isothermal reservoir/surface gas-pipeline-network model. The developed model is an extension of the general pipeline-network model in which the deliverability from the wells is calculated.
Minimizing HSE Impacts During Design and Construction of a Major Gas Pipeline Through the Baltic Sea
During the design of two parallel gas pipelines from Russia to Germany through the Baltic Sea, major design changes were made to minimize project impacts, resulting in rapid approval by all five affected countries.
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19 August 2019