TOPICS OF INTEREST
Corrosion Will Occur, Whether You Like It or Not
Just like Houston’s summer heat, corrosion of metal surfaces will occur—whether you like it or not. To help you better understand corrosion, these papers describe using water surveys in a production/injection plant, testing the effectiveness of mitigation, and data evaluation using machine learning.
HDPE Liner in Carbon Steel Pipe Manages Flowline Corrosion in Giant Onshore Field
Internal corrosion has caused ADNOC to suffer loss of containment in oil flowlines in a giant onshore field. This paper describes the successful 5-year field trial program and confirmation that HDPE liner application in carbon steel pipe can be a cost-efficient way to mitigate internal corrosion.
Water Survey Assesses Souring and Corrosion at Production/Injection Plant
At a water treatment plant for an onshore oil field in northern Germany, formaldehyde injection was started in 2015 as a biocide. The goal of this study was to understand the chemical parameters and microbial distribution in the water system and whether formaldehyde injection was effective.
Artificial Pipeline Model Enables Comparison of Biocides in a Dynamic System
To facilitate testing and comparison of products that attenuate microbially influenced corrosion under field conditions, a method using microorganisms from a low-tide, anoxic North Sea sample was developed that allows corrosion measurements to be made for corroding biofilms grown on steel surfaces.
Can Robots Improve Above-Water Riser Inspections?
The criticality of above-water riser hull piping requires frequent inspections. Traditional manual inspection methods present safety and efficiency concerns, but work is being done to see if robotic technologies—such as drones and crawlers—can do the job as good as, or even better than, humans.
Weld Overlay Joins the Party as Corrosion-Resistant Pipe Undercapacity Threatens Project Scheduling
It is rare that businesses selling equipment to the oil and gas sector can benefit from lower oil prices. But that is the case for CRA pipe manufacturers, which are comfortably outperforming 2014 levels.
Southwest Research Institute To Open Corrosion-Testing Facility
The laboratory will be used primarily to test the sulfide stress cracking resistance of carbon steel alloys for oil wells and offshore drilling applications.
DNV To Oversee Bolt Fatigue Testing Program Focused on Subsea Systems
Testing will be performed at DNV’s labs in Columbus, Ohio, and Norway and overseen by experts in fatigue of subsea equipment, bolting connections, cathodic protection, and instrumented tests.
The Effect of CO2 Injection on Corrosion and Integrity of Facilities
The paper discusses the main factors affecting CO2 corrosion, provides an assessment of what to look for in major equipment, and details recommended material of construction and corrosion mitigation/control methods.
Toward the Economical Use of Corrosion-Resistant Alloys for Water Injection Tubing
With the huge amount of water injection in the industry, the need is paramount for a more scientific approach to materials selection for tubing, especially CRAs. Software-based predictors similar to those developed for CO2 corrosion would improve the economical choice of CRAs.
Siemens, GE Partner With Open-Source Innovation Community
Siemens and GE are among the companies discovering the power of an open-source innovation community to offer solutions for significant oil and gas industry challenges, such as improved corrosion monitoring.
Improving Gas Dehydration With Preinhibited Glycol
The paper discusses dehydration performance of two units in two plants—with preinhibited glycol/antifoam/pH adjuster blend vs. neat glycol with periodic injection of antifoam and pH-adjuster inhibitors. The insights present an opportunity for significant operating and capital costs reduction.
Localized Pitting Corrosion of Superduplex Stainless Steel in a Seawater Application
During the dismantling and removal of fire-water-pump columns of superduplex stainless steel barely 1 year after plant startup in a redeveloped brownfield offshore Nigeria severe localized pitting corrosion was observed in the columns. This paper explores the findings and identifies the reasons.
Offshore Production in the Gulf of Thailand
Oil and gas producers in the Gulf of Thailand face unique technical challenges. This review of papers illustrates some of the innovative solutions used in the region.
Oilfield-Corrosion-Failure Analysis: Lessons Learned From Pitting Morphologies
Identifying the type of corrosion is the first step in the analysis and prevention of corrosion-related failures. Visual inspection of the pit morphology can provide insights into the type of corrosion that is occurring.
Improving Corrosion Inhibition Fluids and Techniques in Offshore Projects
This feature takes a look at the work being done by companies to improve corrosion inhibitor fluids and inhibition techniques for offshore projects.
Cross-Industry Collaboration Ramps Up Flow of Ideas
When energy and healthcare collaborate, innovation is born. Pumps and Pipes, an unprecedented cross-industry collaboration between oil and gas exploration and production (E&P), cardiovascular medicine, aerospace, and academia, has grown into an international forum for transferable ideas and technolo
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.
Assessing and Mitigating Corrosion in Closed Loop Cooling Water Systems
The root cause analysis of corrosion failure in a heat exchanger revealed inadequate cleaning, ineffective microbial control, and subpar monitoring of cooling water quality.
Implementation of a Metric-Driven, Statistical Chemical Management Program for Unconventional Plays
The challenges for operators in the Eagle Ford have been enormous, which can push chemical management to the back burner. But there is a price to be paid down the road. Operators have recently become more mindful of implementing metric-driven chemical management programs.
Corrosion Monitoring and Mitigation Technologies
A wide range of corrosive elements and compounds from a variety of crudes has led to a renewed industry focus on corrosion and the effects it has on pipelines and vessels.
Advances in Coatings Protection Extend Offshore Facility Life
As producers push logistical and technological limits to operate in deeper water and more remote locations, maintaining and repairing offshore structures can present a number of challenges unique to these environments. One of the costliest is corrosion.
Advancements in the Removal of Mercury From Crude Oil
Issues associated with mercury’s presence in hydrocarbon processing systems have become more apparent as deeper and hotter reservoirs (often with higher levels of mercury) were exploited, and with the low-temperature gas processing used for liquefied natural gas (LNG) and natural gas liquids.
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.
Experimental Study of 3% Cr Tubing Steel in CO2 and CO2/H2S Corrosion Environment
Through a range of experiments the authors demonstrate that small amount of H2S can be beneficial in reducing corrosion in 3% Cr steel.
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ITEMS OF NOTE
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16 February 2018
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