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22 02, 2020

Special Environments Laboratory

Sour gas, what is it really doing to your equipment? C-FER's Special Environments Laboratory (SEL) is one of the world's largest and most comprehensive containment test facilities. This unique facility is utilized for tests that simulate corrosive, toxic or explosive environments. The primary use of the SEL is for sour testing with combinations of hydrogen sulfide (H2S), carbon dioxide (CO2) and corrosive liquids, often following NACE testing fluid specifications. Unique facility houses two containment chambers design for full scale testing in toxic and corrosive environments To safely conduct these tests, C-FER has rigorous safety procedures in place [...]

22 02, 2020

What’s That Tight Spot: Multi-finger Caliper Deformation Analysis In this free webinar, we are going to discuss: Deformations – The “Tight Spot” – what is the “Tight Spot,” Causes and Why diagnosis is important Tubular Deformations: Varieties and Root Causes Using Multi-Finger Caliper Data to Diagnose and Quantify Deformations Deformation Case Histories & Simulations This webinar  is intended for well integrity, completion and production engineers in oil and gas and cavern storage companies, the staff of logging service companies, and related equipment manufacturers. Register Today! DATE: Wednesday, October 23, 2019 to Wednesday, October 23, 2019 LOCATION: Free: Online, 12 noon MST

13 01, 2020

Qualifying Thermal/Structural Performance of Vacuum Insulated Tubulars

Optimizing the use of Vacuum Insulated Tubulars (VIT) Certain oilfields and recovery methods are sensitive to thermal gradients between the formation and injected/produced fluids. Examples include: Permafrost Zones (i.e. thaw-induced subsidence) Cyclic Steam and SAGD Operations (i.e. injected steam quality) Deepwater Completions (i.e. to prevent hydrates) Geothermal Applications To reduce unwanted heat transfer, Operators may install Vacuum Insulated Tubulars (VIT); however, VIT technology poses several challenges that are not present in standard Oil Country Tubular Goods (OCTG). These include: a lack of standardized test methods to verify thermal effectiveness; vacuum longevity (i.e. due to hydrogen permeation or getter performance); [...]

22 02, 2020

Validating Designs of a Compressed Natural Gas Carrier

Design validation for the regulatory approval of a system for CNG transportation by ship The CNG Optimum System, a compressed natural gas (CNG) containment carrier developed by Global Energy Ventures Ltd. (GEV), required approval from the American Bureau of Shipping (ABS) prior to commercial construction. This program was part of a larger project, which included the design of the ship on which the CNG Optimum System would be installed. As part of the CNG Optimum System approval process, testing was required to validate the fatigue resistance and burst capacity, as per the table below. Two additional tests were also [...]

19 05, 2020

Shear – When the Earth Moves

Exploring well operations and reservoir processes affecting shear Movement along fault zones and slip planes may cause significant shear deformations of wellbores that appear as lateral displacement of the pipe. These often form an “S” shape with two distinct bends in opposite directions. Faults may move due to: ongoing tectonic activity changes in the in-situ stresses caused by pore pressure depletion during production operations pore pressure increases that can occur due to well drilling, stimulation or disposal of produced water. The width of the fault zone can vary from less than a metre to several tens of metres. This [...]

22 02, 2020

Well Deformation Mechanisms

Well casing is subjected to a wide variety of loading mechanisms that can cause temporary or permanent deformations. These deformations can be due to geological processes or well operations.  They can impair or prevent access to the full depth of the well or compromise the pressure integrity.  They can occur instantaneously or progress over many years. Many historical well workover reports have reported casing deformations as “casing collapse” when a tool string cannot pass by a “tight” interval. In fact, collapse is not a common deformation mode,with shear and buckling deformations being much more likely modes of well failure. [...]

29 04, 2020

Geothermal Anywhere

Making Geothermal a viable energy source around the world Geothermal energy is a proven “green” energy technology in areas of the world where high temperature hydrothermal sources are close to the earth’s surface, such as Iceland, New Zealand and California. These resources, however, are scarce and rarely located near centres of major power consumption, limiting their impact on the global power generation need. Some attempts have been made to develop Enhanced Geothermal where there are no natural high temperature sources near surface. These systems are developed by drilling a pair of deep wells (typically more than 5 km deep) [...]

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