Improving Energy Efficiency in E&amp;P Operations

Edwards, John D.

doi:10.2118/86604-ms

Cited by 7 publications

(2 citation statements)

References 3 publications

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“…The evaluation of the effectiveness of undergone actions requires an accurate analysis of field operations. In the recent past several authors have estimated GHG emissions from diverse sources within the oil and gas industry (venting, flaring, burning, and transporting), such as Edwards [4] and Nordrum et al [5] in 2004, or Cain and Mingst [6] and Veerkaamp and Heidug [7] shortly later.…”

Section: Introductionmentioning

confidence: 99%

Revamping, Energy Efficiency, and Exergy Analysis of an Existing Upstream Gas Treatment Facility

Margarone

Magi

Gorla³

et al. 2011

Journal of Energy Resources Technology

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Surface oil and gas treatment facilities in .service for decades are likely to be oversized due to the natural depletion of their reserx'oirs. Despite these plants might have been designed modularly, meaning they comprise multiple identical units serving the same task, such units operate often in conditions far from the design. This work analyzes the revamping options of an existing upstream gas facility, cho.^en because representative of a wide set of plants. It presents a flexible process simulation model, implemented in the HYSYS environment and dynamically linked to an Excel spreadsheet, which includes the performance maps of all turbomachineries and the main characteristics of the investigated modifications. The model may be used to run simulations for various gas input conditions and to predict the performance over I year of operation and for different possible future scenarios. The first objective is to assess economically the considered options, which shall be applied only if yielding short return times of the investment since the reservoir is mature. Moreover, all options are appreciated adopting a figure of merit, here defined, that compares the overall energy consumption to the one calculated with .•itate-of-the-art technologies. In addition, exergy and environmental analyses are executed.

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Section: Introductionmentioning

confidence: 99%

Revamping, Energy Efficiency, and Exergy Analysis of an Existing Upstream Gas Treatment Facility

Margarone

Magi

Gorla³

et al. 2011

Journal of Energy Resources Technology

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show abstract

“…Energy efficiency assessments of oil and gas installations are not a new concept for the identification of energy savings [1] but the use of a proven assessment protocol is also of great benefit for achieving compliance with legislative and corporate objectives. Whilst the physical assessment used between installations follows a broadly similar process it is vitally important that the overall methodology is modified to suit each particular companys internal systems and culture.…”

Section: Introductionmentioning

confidence: 99%

Energy Efficiency Assessments—Just a Paper Exercise?

Speirs

2008

All Days

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Drivers behind improving energy efficiency at any industrial site include environmental legislation, company policy, process optimization, cost reduction and not least the need to control the generation of Green House Gas (GHG) emissions. Energy efficiency assessments were carried out at a number of Total E&P UK Limited (TEPUK) sites, on and offshore. The assessment of each site followed a set format which include certain key steps; project kick off, full site survey and discussions, with operations and support staff. The assessments allow site specific action plans with short and long term improvements to be formulated and implemented. Analysis of cost, operability, maintainability, environmental impact, safety and security of supply has been used to justify and prioritize actions to be implemented. Recommendations for improvement differ greatly between sites, however there is a re-occurring recommendation to calculate and monitor energy performance indicators for each facility. Development of this indicator gives an operational baseline to measure process changes and improvements against. Close monitoring of changes against baseline provides additional feedback for process and cost optimization strategies.The value of energy efficiency assessments with regards to cost effective operation and process optimization should not be overlooked. Significant energy savings are achievable through detailed investigation -approximately 3-5% fuel savings are achievable through implementation of the "quick win" changes. Benefits are not only visible in process and associated costs. Environmentally, the reduction of energy consumption has a positive effect on GHG emissions and reduces the overall environmental impact of operations.

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Operating Cost Characteristics

Kaiser¹

2019

Decommissioning Forecasting and Operating Cost Estimation

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Improving Energy Efficiency in E&P Operations

Cited by 7 publications

References 3 publications

Revamping, Energy Efficiency, and Exergy Analysis of an Existing Upstream Gas Treatment Facility

Revamping, Energy Efficiency, and Exergy Analysis of an Existing Upstream Gas Treatment Facility

Energy Efficiency Assessments—Just a Paper Exercise?

Operating Cost Characteristics

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