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RISFriction Factor Directly From Roughness Measurements
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Pressure drop experiments on natural gas flow in 150 mm pipes at 80 to 120 bar pressure and high Reynolds number were carried out for pipes smooth to rough surfaces. The roughness was ...
Probabilistic Stability Analysis for Deep‐Water Foundation
Publisher: American Society of Civil Engineers
Abstract: A probabilistic model for stability analysis of a deep‐water, gravity‐
based platform foundation on clay is defined, based on theory for wave loading in conjunction with conventional shear surface considerations. An advanced ...
A Numerical Study of Density-Unstable Reverse Circulation Displacement for Primary Cementing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Primary cementing of the casing string is the operation where the annular space behind the casing is displaced to a cement slurry. Once hardened, the cement should form a solid annular barrier and provide zonal isolation ...
Effect of Buoyancy and Inertia on Viscoplastic Fluid–Fluid Displacements in a Regular and an Irregular Eccentric Annulus
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Casing strings and liners are important subsurface structural components in petroleum and in geothermal wells. After the casing string has been run in hole, it is cemented to the formation by pumping a sequence of spacer ...
Closure to “In Situ Improvement of Highly Sensitive Clays by Potassium Chloride Migration” by Tonje Eide Helle, Per Aagaard, and Steinar Nordal
Publisher: American Society of Civil Engineers
In Situ Improvement of Highly Sensitive Clays by Potassium Chloride Migration
Publisher: American Society of Civil Engineers
Abstract: Highly sensitive, low-saline clays, termed quick clays, represent a risk for large landslides. An in situ experiment was conducted in which salt wells filled with potassium chloride were installed to study how salt wells ...
Effects of Drilling for Tieback Anchors on Surrounding Ground: Results from Field Tests
Publisher: ASCE
Abstract: A full-scale field test program was carried out to investigate the effects of drilling for tieback anchors on the surrounding ground. The test anchors were drilled from the ground surface through a soft clay deposit and ...
Field Tests of Anchors in Clay II: Predictions and Interpretation
Publisher: American Society of Civil Engineers
Abstract: Four field model tests are used to check procedures proposed for the foundation design of suction anchors for offshore tension‐leg platforms. The test program contained one static and three cyclic tests in a soft clay ...
Two-Dimensional Rotorcraft Downwash Flow Field Measurements by Lidar-Based Wind Scanners with Agile Beam Steering
Publisher: American Meteorological Society
Abstract: major risk to helicopters is the unexpected encounter of degraded visual environments in close-to-ground operations, where a loss of visibility often is caused by clouds of dust (brownout) or snow (whiteout) stirred up by ...
An Implantable Accelerometer-Based Heart-Monitoring Device With Improved Positional Stability
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper reports recent results from an ongoing effort to develop an implantable accelerometer-based heart-monitoring device for ischemia monitoring. The latest device prototype utilizes a new and more compact accelerometer ...