Related Experiment Video
Updated: Apr 2, 2026
08:17
Chemical Analysis of Water-accommodated Fractions of Crude Oil Spills Using TIMS-FT-ICR MS
Published on: March 3, 2017
11.8K
A multi-attribute decision analysis for decommissioning offshore oil and gas platforms
Max Henrion1, Brock Bernstein2, Surya Swamy1
1Lumina Decision Systems, Los Gatos, California, USA.
Integrated Environmental Assessment and Management
|September 29, 2015
Summary
Decommissioning California
Area of Science:
- Environmental Science
- Marine Biology
- Policy Analysis
Background:
- 27 offshore oil and gas platforms in Southern California are nearing end-of-life.
- Decommissioning presents significant costs and potential environmental impacts, leading to public controversy.
- Existing platforms support rich marine ecosystems.
Purpose of the Study:
- To evaluate decision strategies for oil and gas platform decommissioning.
- To analyze the impacts of complete removal versus partial removal and conversion to artificial reefs.
- To inform policy decisions for the State of California.
Main Methods:
- Implementation of a decision analysis software tool (PLATFORM).
- Analysis of key options: complete removal and partial removal with "rigs-to-reefs" conversion.
- Sensitivity analysis to assess the impact of preferences and outcome uncertainties.
Main Results:
- Partial removal and conversion to artificial reefs emerged as a preferred option.
- Stakeholder preferences, particularly regarding lease compliance, significantly influenced preferred outcomes.
- Near-consensus among stakeholders supported the "rigs-to-reefs" program.
Conclusions:
- Decision analysis effectively structured complex decommissioning evaluations.
- Partial removal and "rigs-to-reefs" programs offer a viable solution balancing ecological and economic factors.
- The study informed legislation for an expanded California "rigs-to-reefs" program.
Related Concept Videos
01:09Decision Making: P-value Method
7.2K
The process of hypothesis testing based on the P-value method includes calculating the P- value using the sample data and interpreting it.
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim is also stated. These statements can act as null and alternative hypotheses: a null hypothesis would be a neutral statement while the alternative hypothesis can...
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim is also stated. These statements can act as null and alternative hypotheses: a null hypothesis would be a neutral statement while the alternative hypothesis can...
7.2K
01:26Microbial Bioremediation of Hydrocarbons
54
Bioremediation is an environmentally sustainable process that employs living organisms—primarily microorganisms—to degrade or neutralize pollutants from contaminated environments. In oil spills and hydrocarbon pollution, bioremediation involves the use of hydrocarbon-degrading bacteria to transform toxic compounds into less harmful substances. This approach leverages natural microbial metabolic processes and is considered both cost-effective and ecologically favorable compared to...
54
01:16Response Surface Methodology
849
Response Surface Methodology (RSM) is a collection of statistical and mathematical techniques used to develop, improve, and optimize processes. It is particularly valuable when many input variables or factors potentially influence a response variable.
The process of RSM involves several key steps:
The process of RSM involves several key steps:
849
01:28Methods of Medium Optimization
49
Optimizing growth media enhances microbial proliferation and maximizes product yield. Statistical experimental design methodologies provide structured and reproducible approaches, offering progressively higher levels of robustness and efficiency.The One-Factor-at-a-Time (OFAT) MethodThe One-Factor-at-a-Time (OFAT) method involves adjusting a single variable while keeping all others constant. However, it cannot detect interactions between variables, often leading to suboptimal outcomes when...
49
01:14Decision Making: Traditional Method
5.8K
The process of hypothesis testing based on the traditional method includes calculating the critical value, testing the value of the test statistic using the sample data, and interpreting these values.
First, a specific claim about the population parameter is decided based on the research question and is stated in a simple form. Further, an opposing statement to this claim is also stated. These statements can act as null and alternative hypotheses, out of which a null hypothesis would be a...
First, a specific claim about the population parameter is decided based on the research question and is stated in a simple form. Further, an opposing statement to this claim is also stated. These statements can act as null and alternative hypotheses, out of which a null hypothesis would be a...
5.8K
01:17Design Example: Analyzing Capacity Contours for Flood Risk Assessment
381
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
381