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Technology Assessment & Research (TA&R) Project Categories

Offshore Structures

There are approximately 3,600 production facilities on the Outer Continental Shelf (OCS). These structures are susceptible to corrosion, fatigue, damage caused by dropped objects, extreme storms, and contacts from vessels. The integrity (condition) of older platforms must be maintained. To ensure the safety and integrity of existing structures, improved inspection and monitoring systems need to be devised for platforms. The BOEMRE, through the Technology Assessment and Research (TA&R) Program, is working with the industry to assess and improve these systems.

A few examples of offshore rigs, drilling and production platforms
A few examples of offshore rigs, drilling and production platforms.

Left to right: onshore platform; fixed platform; jackup rig; semi-submersible;
drill ship; tension leg platform.

Exploratory wells have been drilled at depths in excess of 10,000 feet. Production systems are being designed for depths of 6,000 feet and greater. The product pipeline networks for gas and oil will extend well off the continental slope. Large reservoirs serviced by tension leg platforms or spar platform derivatives will be operated by a consortia of companies and have extended capability to handle distant subsea completions. Smaller reservoirs will use small moored floating platforms for production, many of which will be reusable in other locations. The business climate will demand innovative platform configurations, reductions in the weight and cost of risers and mooring systems and solutions to the pipeline reliability problems.

As more reserves are being discovered in deep water, the technology needed to design and build deep-ocean compliant structures, such as tension leg platforms, continues to evolve to meet technical and economic needs for deepwater development. This rapid evolution in technology needs to be independently verified to ensure continued safety of operations and protection of the environment.

Recent interest in exploration and development on the Alaskan-area OCS has led to a need for new research to ensure the Best Available and Safest Technologies are utilized in this expanding frontier.

A complete list of projects BOEMRE TA&R Project has undertaken pertaining to structural issues is outlined below. Double-clicking on the number will bring up more information on the project.
 

Offshore Structure Reports
001 Underwater Inspection/Testing/Monitoring of Offshore Structures

002

Dynamic Response of Offshore Structures

003

Incipient Crack Detection in Offshore Structures

005

Attenuating Surface Waves in a Localized Region of the Open Ocean

006

Research Program Advisory

007

Unmanned, Untethered Inspection Vehicle Technology (the EAVE Program)

010

Subsea Inspection

019

Hurricane - Driven Ocean Currents

023

Incipient Structural Failure by the Random Decrement Method

029

Deepwater Structures Technology Assessment

030

Acoustic Imaging Technology for Underwater Inspection

031

Technology Assessment for Offshore Pile Design

033

Vibration Monitoring of Offshore Structures

034

Nondestructive Examination (NDE) Round Robin Test Agent

035

Gas Generator for Powering the Cavitation Erosion Cleaning Device of Project Number 4

037

Structural Materials for Arctic Operations

040

Mechanical Properties of Sea Ice

041

Ultrasonic Inspection of Underwater Structural Joints

042

Arctic Underwater Structure Inspection

043

Ice Forces Against Arctic Offshore Structures

045

Field Study of the Dynamic Response of Single Piles and Pile Groups in Stiff Clay

046

Behavior of Piles and Pile Groups in Cohesionless Soils

047

Study of Method of Design of Piles in Clay Soils Under Repeated Lateral Loads

048

A Study of Structural and Geo-technical Aspects of Tension Leg Platforms

049

Fitness-for-Service Criteria for Assessing the Significance of Fatigue Cracks in Offshore Structures

050

Development and Testing of an Ice Sensor

052

Dynamics and Reliability of Compliant Drilling and Production Platforms

053

Behavior of Concrete Offshore Structures in Cold Regions

054

Pile Foundation Design for Ocean Structures

056

Assessment of Structural Icing

057

Static Lateral Load Tests on Instrumented Piles in Sand

058

Wave Forces on Ocean Structures

059

Foundation Stability of Jack-up Platforms

060

Tension Pile Test, Joint Industry Project

061

Superstructure Icing Data Collection and Analysis

062

Southern Bering Sea Production System Study

064

Caisson Monitoring Project

065

De-icing and Prevention of Ice Formation on Offshore Drilling Platforms

066

Evaluation of Structural Concepts for Norton Sound

067

Rig Mooring Reliability

069

Reliability of Gravel Mat Foundations for Arctic Gravity Structures

071

Assessment of Analysis Techniques for Compliant Structures

072

Torsional Evaluation of Stiffening Members in Marine Structures

074

Drag and Oscillation of Marine Risers and Slack Cables

077

Ice Stress Measurements

078

Structural Concepts for Lease Sale 87

080

Development of a New Philosophy for Effective Underwater Inspection

082

Numerical Wave Force Simulation

083

Numerical Modeling of Ice-Structure Interaction

088

Inspectibility of Tension Leg Platform Tendons

090

Evaluation of Short, Large-Diameter Piles for Arctic Applications

092

A Theoretical Investigation on the Behavior of Complaint Risers

093

Site-Response, Liquefaction and Soil-Pile Interaction Studies Involving the Centrifuge

094

Dynamic Motion Study of a Large Scale Compliant Platform

095

Structural Icing Study, St. George Basin

096

Probability Based Design Criteria for Ice Loads on Fixed Structures in the Beaufort Sea

098

Punching Shear Resistance of Concrete Offshore Structures for the Arctic

099

Measurement of Ice Stress Around a Caisson Retained Island in the Beaufort Sea

101

Residual Strength of Offshore Structures After Damage

103

Ocean Wave Simulation Model

104

Damage Evaluation by System Identification Techniques

106

Development of Inspection and Repair Programs for Fixed Offshore Platforms

107

Offshore Structural Systems Reliability

108

An Investigation of the Non-Linear Behavior of Compliant Risers

110

Response to Spray Ice Structures to Ice, Atmospheric, and Oceanographic Forces

111

Development of a Method to Evaluate the Tension Capacity of Drilled and Grouted Piles

112

Project Cancelled

115

Hydrodynamic Effects on Design of Offshore Platforms

116

Impact of Annual Ice with a Cable-Moored Platform

117

Project Cancelled

118

Blast Effects Upon the Environment from the Removal of Platform Legs by Explosives

122

Earthquake Response of a Platform by the System Identification Technique

123

Molikpaq Ice Force Measurement Program

124

Quality Control Test for Platform Weldment Fracture Toughness

125

Seismic Response Analysis of Offshore Pile Supported Structures

127

A Magneto-Optic Based Flaw Imaging Technique for Underwater Applications

128

Response of Piles to Earthquake Ground Motions

129

Methodology for Comparison of Alternative Production Systems

130

Interference/Clearance Problem of Risers in Floating Production Systems

133

Synthetic-Fiber Mooring Lines for Deepwater Floating Production Facilities

134

Impact of Crushed Ice on the Ice-Structure Interaction for Arctic Platforms

139

Operational RIGMOOR

140

Wind Loads and Wind/Wave Interaction on Compliant Offshore Structures

141

Nipterk Spray Ice Island-Summer Protection Experiment

143

Testing and Evaluation of Damaged Jacket Braces

144

Fatigue of High Strength Steels for Innovative Offshore Structures

145

Response Prediction Techniques for Risers in Sheared Currents

146

Safety of Existing Steel Jacket Platforms

147

Method for Predicting Hydrodynamic Damping for Offshore Structures

166

Seismic Response Characteristics for Topside Facilities

167

Management of Human Error in Operations of Offshore Facilities

169

Capacity Analysis Program for Verification of Fixed Platforms

170

Improved Means of Offshore Platform Fire Resistance

171

International Workshop on the Seismic Design and Requalification of Offshore Platforms

172

Methodology for Assessing the Structural Integrity of Existing Platforms Subject to Seismic Loading

173

Methodology for Formal Safety Assessment of the Topsides of Offshore Production Facilities

177

Offshore Platform Database and Performance Evaluation System

178

Large-scale Ice Fracture Experiments

181

Assessment of Spray Ice Technology

182

Testing and Evaluation of Grout Repaired Tubular Members

183

Further Investigation into Capacity Analysis Procedures

184

International Workshop on Pile Foundation

186

Hydrodynamic Damping and Combined Motion Loading (HYDAMP II)

187

Analytical Simulation of Biased Loaded Tension Piles in Earthquakes

188

Model Design Code Development for Floating Structures

189

Strengthening Modifications and Repair Techniques

192

International Workshop for Requalification of Offshore Structures

193

Study and Hindcast of Wind and Wave Fields for Hurricane Andrew

194

Calibration of Mooring Design Code for Floating Drilling and Production Platforms

196

Sea Ice Scaling Effects

199

Hurricane Andrew Calibration Study

200

Securing Procedures for Mobile Drilling Units (MODU's) in the Gulf of Mexico

202

Methodologies for Platform Requalifications

204

Post Mortem Platform Failure Evaluation Study

205

Post Mortem Platform Failure Study

206

Shallow Water Wave and Current Field Study

207

API/Hurricane Foundation Study

209

Development of Acceptance Criteria for Caisson Structures Damaged During Hurricane Andrew

210

Hurricane Andrew Effects on Offshore Platforms

211

Architect and Engineering Services

212

Deep Water Subsea Conceptual Studies, Phase 1.

213

Design and Reassessment of Tubular Joints in Offshore Structures, Phase 4.

215

Study into the Strength Reliability of Offshore Structures

216

SPAR Development Model Test Program

217

A Guide for Risk Assessment of Offshore Platforms

222

Probabilistic Seismic Hazard Analysis for Offshore Platforms in the Santa Barbara Channel

223

An Information Management System for the Reassessment of Offshore Platforms

224

Dynamic Non-linear Loading Effects on Offshore Platforms

225

Development of Evaluation Guidelines for Offshore Platform Topsides in Seismic Regions

227

Development of Grouted Tubular Joint Technology for Offshore Strengthening and Repair

229

Hurricane Andrew Effects on Offshore Platforms (Phase II - JIP)

231

Sea Ice Mechanics Workshop

232

Investigation of New Techniques for Abandonment of Offshore Structures

233

DNR-MMS Louisiana Offshore Pipeline and Platform Map

234

Lease Abandonment: Technology, Environmental Effects and Regulation (Lease Abandonment Workshop)

235

Summary of State of Louisiana's Oil Spill Regulations and Programs For Platforms and Pipelines Located in State Waters (OPA 90)

236

Development and Testing of the FLAIM (Fire and Life Safety Assessment Indexing Model) for Evaluating the Safety of Offshore Platforms and Marine Loading Terminals

237

Behavior of Suction Caisson Foundations

238

Recommended Procedure for Design of Drag-embedment (Fluke) Anchors

241

Assessment of Tubular Steel Joints in Existing Offshore Structures

243

Cathodic Retrofits for Offshore Structures

246

Reliability-Based Reassessment of Jacket Platforms

250

International Workshop on Use of Human & Organizational Factors (HOF) in the Management of Safety and Environmental Hazards for Offshore Operations and Facilities

251

International Workshop on Advanced Material for Marine Structures

258

API Benchmark Structure

261

Integrity Assessment for Aging Structures--Evaluation and Improving the Effectiveness of Ultrasonic Testing

262

Analytical and Experimental Investigations of the Behavior of Tubular Frames, Phase III

263

Underwater Welding Development Program, Phase II

266

Support of the Offshore Technology Research Center

267

Development, Testing and Evaluation of an Explosive Shock Wave Focusing Tool with Minimum Explosive Weight

270

Decommissioning of Oil and Gas Facilities Offshore California Workshop

273

Strengthening, Modification and Repair Techniques for Offshore Platforms--Phase II

274

Assessment Criteria and Reserve Strength of Tubular Joints--Phase II

275

Riser Reliability Analysis

277

Structural Integrity Assessment and Repair of Corrosion-Damaged Offshore Platform Tubulars

279

Assessment of the Feasibility for the Application of Threaded Connectors in Offshore Platform Caissons

281

Assessment of the Effects of Damage and Repairs of Existing Gulf of Mexico Platforms

283

Comparative Evaluation of Minimum Structures and Jackets

292

ULTIGUIDE Phase 2

304

Avoidance of Vibration Fatigue Failure in Process Piping Systems

305

Highly Compliant Rigid-Pipe Riser Analysis

308

International Workshop on Advanced Methods of Corrosion Mitigating for Marine Structures

314

Continued Development of Earthquake Load and Resistance Factor Design Guidelines

315

Engineers Design Guide to Deepwater Fiber Moorings

316

Reliability Study for Synthetic Moorings

322

Workshop on "State-of-the-Art Development of Composite Structures for Offshore Production Platforms"

323

Workshop on "Mexico Offshore Risk Based Technology Developments"

326

Underwater Welding Workshop

328

OTRC Cooperative Agreement

345

Rationalization and Optimization of Underwater Inspection Planning Consistent With API RP2A Section 14

346

Tailor-Designed Underwater Wet Welding Process for Offshore Structures and Pipelines in the Gulf of Mexico

360

Riser Interaction Model: A Combined T/F Domain Model

361

Numerical Prediction of the Non-Linear Hydrodynamic Forces and Responses of Flexible Offshore Structures (VIV)

368

Response of Tanker Based FPSO to GOM Hurricanes

372

State of the Art of Removing Large Platforms Located in Deep Water

374

Measurement of Wind Load Resistance on Drilling Structures

385

IUTAM Symposium: Scaling Laws in Ice Mechanics and Ice Dynamics

388

Fire and Blast Information Group (FABIG)

392

International Composites Workshop
394 Interim Damage Criteria for Replacing Damaged Polyester Rope
396 Guidelines of the Definition and Reporting of Significant Damage to Fixed Steel Offshore Platforms
399 An International Workshop on Fire and Blast Engineering for the Offshore Industry
402 Workshop on FPSO
405 Determination of the Feasibility of Thermite Sparking with Aluminum Striking Rusted Steel or Vice-Versa, etc.
406 FPSO Roll Motions
418 Risk-Extend Comparative Risk Assessment (CRA) for a SPAR-based FPSO
419 Offloading Operability JIP- FPSOs
420 Safe-Flow JIP
429 Oil Platform Removal Using Engineered Charges:  In Situ Comparison of Engineered and Bulk Explosive Charges
438 Procure Membership in International Marine Contractors Association (IMCA)
441 Mitigating Greenwater Damage Through Design
444 Integrity Monitoring for Composite Elements and Workshop
446 ROV/AUV Capabilities
447 Qualifying New Technologies Workshop
448 FPSO Roll JIP
464 Development of Integrity Methodologies for the Topsides of Offshore Production Facilities
466 Validation and Calibration of API-RP-2A Using Hurricane Lili to Update the Hurricane Andrew JIP Results that provided the basis for API Section 17
467 Hindcast Study of Winds, Waves, and Currents in N. GOM in Hurricane Lili (2002)
469 Post Mortem Failure Assessment of Drilling Rigs During Hurricane Lili
472 Project Offshore Deep Slopes (PODS) - Phase II
482 VIM/SPAR Industry Forum
483 CFD Simulation of Ocean Turbulence Interactions with Spar Platforms
484 Oceanic Turbulence Project (Ocean Turbulence Loads and Effects on Offshore Structures)
488 Global Analysis of FPSO and Shuttle Tanker During Offloading
489 Testing of Composites - Delayed
502 Assessment of New and/or Improved Repair Techniques for Ageing or Damaged Structures
538 Research to Control Underwater Noise from Oil Drilling and Production Operations
543 Development of Recommended API Practice for Structural Integrity Management of Fixed Offshore Platforms (JIP)

549

Assessment of Fixed Offshore Platforms in Hurricane Ivan, Andrew and Lili

550

A Pilot Study for Regionally-Consistent Hazard Susceptibility Mapping of Submarine Mudslides, Offshore Gulf of Mexico

551

Assessment of Drilling and Workover Rig Storm Sea Fastenings on Offshore Floating Platforms During Hurricane Ivan

552

Mudslides during Hurricane Ivan and an Assessment of the Potential for Future Mudslides in the Gulf of Mexico

553

Pipeline Damage Assessment from Hurricane Ivan

556

Risk Assessment of Submarine Slope Stability - Hydroplaning

559

Offshore Hurricane Readiness & Recovery Conference

560

Performance of Deepwater Production Platforms

561

LNG Process Safety Design
570 Measurement of the Effect of Depth Below Mudline of Charge Placement During EROs
571 Loads due to Extreme Wave Crests
578 Assessment of Fixed Offshore Platform Performance in Hurricanes Katrina and Rita
584 Arctic Offshore Technology Assessment of Exploration and Production Options for Cold Regions of the US Outer Continental Shelf
591 Evaluate Accuracy of Polyester Subrope Damage Detection Performed by ROVs Following Hurricanes and Other Events

592

Connector Designs for Top and Bottom Tendon Connections

596

Sea Spray Icing of Drilling and Production Platforms

597

Assessment of Superstructure Ice Protection As Applied to Offshore Oil Operations Safety
603 Stability of Tension Leg Platforms with Damaged Tendons
604 Evaluation of Fatigue Life Models and Assessment Practice for Tension Leg Platforms (Phase 1: Tendon System Fatigue)
605 Cooperative Research on Extreme Seas and their Impact to Floating Structures
609 Reliability vs. Consequence of Failure for API RP2A Platforms Using RP2MET
610

Marco Polo JIP Extension 2008 - 2009 Full-Scale Monitoring Marco Polo TLP

612 Analysis of Conservatism in Offshore Foundation Design
614

ISO 13628-12 / API RP 2RD Dynamic Risers for Floating Production Installations JIP

620

Collection and Archival of Environmental Data Relevant to Design of Arctic Structures
622 Impact of Marine Growth on Pipeline Risers for Floating Facilities JIP
624 Beaufort and Chukchi Sea Ice Design Criteria

627

Assess/Develop Inspection Methodologies for Offshore Wind Turbine Facilities
628 Assess the Design/Inspection Criteria/Standards for Wave and/or Current Energy Generating Devices
629 Assess the Design and Inspection Criteria and Standards for Wave and Current Energy Generating Devices
632 Evaluate New Materials for Deepwater Synthetic Mooring Systems
633 Wind Farm/Turbine Accidents and the Applicability to Risks to Personnel and Property on the OCS, and Design Standards to Ensure Structural Safety/Reliability/Survivability of Offshore Wind Farms on the OCS
634 Mitigation of Underwater Pile Driving Noise During Offshore Construction
639 Decommissioning: Fixed and Floating Platform Removal and Disposition
642 Assessment of Damage and Failure Mechanisms for Offshore Structures and Pipelines in Hurricanes Gustav and Ike
646 Engineering Cost Assessment for Decommissioning POCS Facilities
648 Offshore Wind and Ocean Energy Installation Cost Estimation in the U.S. Outer Continental Shelf
650 Offshore Wind Turbine Inspection Refinements
651 Evaluate the Effect of Turbine Period of Vibration Requirements on Structural Design Parameters
652 Mitigating Catastrophic Failures in Structures Used in Off Shore Oil and Gas Production
654 International Workshop on Underwater Welding & Inspection Technology
656 Seabed Scour Considerations
657 2009 Freeze-up Study of the Alaskan Beaufort Sea and Chukchi Sea
660 ICESTRUCT JIP: Ice Effects on Arctic Offshore Structures
661 Joint Industry Project (JIP) to Enhance Polyester Rope Stiffness Modeling, Testing, and Analysis
670 Design Standards for Offshore Wind Farms
675 Fatigue Calculations for Existing GOM Fixed Structures
676 Ocean Current Monitoring from 500 1000 meters
677 Comparison of the API, NORSOK, and ISO Offshore Structural Standards
688 Investigate Ice Encroachment on Man-Made Structures and the Natural Shoreline in the Alaskan Beaufort Seas
690 The Effect of Deformation Damage on the Mechanical Behavior of Sea Ice: Ductile-to-Brittle Transition, Elastic Modulus and Brittle Compressive Strength
695 Slug Loading and Response in Pipeline (SLARP)
696 Short Crest JIP: Effect of Short-crestedness on extreme wave impact

Last Updated: 11/10/2011, 08:14 PM Central Time