Find improvement opportunities categorised under the NORSOK system codes:
System groups:
Energy Efficiency Solution Search
IPIECA online database provides an introduction to energy efficiency measures for oil and gas facilities.
Opportunities found:
| Opportunity 1: Conversion of a diesel boiler | |
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| Conversion of a boiler from diesel to gas was evaluated for Alvheim. The main reason is that gas has... | |
| System group: Process support and utility systems (40-69) | |
| Type: Modification | Investment: 1,0 - 10 |
| Profitability: Profitable | Implementation: Assessed |
| Opportunity 2: Reduced use of diesel | |
|---|---|
| The routines and best practice for operating the asset were changed. This is linked to routines for ... | |
| System group: Process support and utility systems (40-69) | |
| Type: Operations optimisation | Investment: < 0,1 MNOK |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 3: Reduced flaring | |
|---|---|
| Procedures for flaring on Alvheim were optimised in order to reduce the amount of gas flared on a ye... | |
| System group: Process support and utility systems (40-69) | |
| Type: Operations optimisation | Investment: < 0,1 MNOK |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 4: Optimised water injection on an FPSO | |
|---|---|
| Reduced use of diesel through an optimisation of the water injection pumps. This is one of several a... | |
| System group: Export and by-product handling (30-39) | |
| Type: Operations optimisation | Investment: < 0,1 MNOK |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 5: Thruster-control | |
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It is possible to avoid unnecessary use of the thrusters by:
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| System group: Export and by-product handling (30-39) | |
| Type: Operations optimisation | Investment: < 0,1 MNOK |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 6: Downsizing of process equipment | |
|---|---|
| Downsizing the process equipment is possible by optimising the operations and modifying the equipmen... | |
| System group: Export and by-product handling (30-39) | |
| Type: Operations optimisation / Modification | Investment: Not quantified |
| Profitability: Variable | Implementation: Assessed/Implemented |
| Opportunity 7: Pump modification | |
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Implementation of VFD (Variable-Frequency Drive) can be evaluated for pumps. This is done to match the pump speed to the demand and therefore reduce the need for recirculation. This can be applied, e.g. to oil export pumps, mud pumps, seawater pumps. |
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| System group: Export and by-product handling (30-39) | |
| Type: Modification | Investment: 10 - 50 MNOK |
| Profitability: Variable | Implementation: Assessed/Implemented |
| Opportunity 8: Transport optimisation | |
|---|---|
| There are opportunities to reduce emissions linked to loading operations. This can be done through m... | |
| System group: Export and by-product handling (30-39) | |
| Type: Modification | Investment: Not quantified |
| Profitability: Variable | Implementation: Implemented |
| Opportunity 9: Transport optimisation | |
|---|---|
| The export pressure in the export pipeline can be optimised so that it is as low as possible. This c... | |
| System group: Export and by-product handling (30-39) | |
| Type: Operations optimisation | Investment: 1 - 10 MNOK |
| Profitability: Variable | Implementation: Assessed |
| Opportunity 10: Transport optimisation | |
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Optimising the gas supply according to specifications can reduce the energy use, within the given spec. requirements. |
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| System group: Export and by-product handling (30-39) | |
| Type: Operations optimisation | Investment: 1 - 10 MNOK |
| Profitability: Variable | Implementation: Assessed |
| Opportunity 11: Maintenance optimisation | |
|---|---|
| Establishing optimised condition-based maintenance for equipment can lead to reduced energy use and ... | |
| System group: System general | |
| Type: Modification | Investment: Not quantified |
| Profitability: Variable | Implementation: Assessed/Implemented |
| Opportunity 12: Pump optimisation | |
|---|---|
| Operational optimisation of pumps should be evaluated since those are among the largest energy users... | |
| System group: System general | |
| Type: Operations optimisation | Investment: 1 - 10 MNOK |
| Profitability: Variable | Implementation: Assessed/Implemented |
| Opportunity 13: Operational planning | |
|---|---|
| The process can be operated in an efficient way and energy use can be reduced by optimising the oper... | |
| System group: System general | |
| Type: Operations optimisation | Investment: Not quantified |
| Profitability: Variable | Implementation: Assessed/Implemented |
| Opportunity 14: Power generation | |
|---|---|
| Optimising the daily operational routines can influence the energy use. It is possible to optimise t... | |
| System group: Electrical (80-89) | |
| Type: Operations optimisation | Investment: < 0,1 MNOK |
| Profitability: Variable | Implementation: Assessed |
| Opportunity 15: Heat recovery | |
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Recovery of the heat from the exhaust of the power generation unit. This can be done with a WHRU (Waste Heat Recovery Unit) which recovers heat for use in the process, or with a HRSG (Heat Recovery Steam Generator) to generate steam for a steam turbine producing electricity. |
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| System group: Main process (20-29) | |
| Type: Modification | Investment: Not quantified |
| Profitability: Variable | Implementation: Implemented |
| Opportunity 16: Compression operation optimisation | |
|---|---|
| Optimised operation of compressors should be considered since this is one of the most energy intensi... | |
| System group: System general | |
| Type: Operations optimisation | Investment: < 0,1 MNOK |
| Profitability: Variable | Implementation: Implemented |
| Opportunity 17: Pump modification | |
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Pump modification can reduce the energy use and this can be implemented through, e.g.:
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| System group: System general | |
| Type: Modification | Investment: Not quantified |
| Profitability: Variable | Implementation: Assessed |
| Opportunity 18: Turbine optimisation | |
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Install flow enhancer in the turbine exhaust canal and/or collector to reduce the pressure drop and increase the efficiency. |
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| System group: Main process (20-29) | |
| Type: Modification | Investment: Not quantified |
| Profitability: Variable | Implementation: Assessed/Implemented |
| Opportunity 19: Power generation | |
|---|---|
| Modifying the power generation equipment can improve the production of energy and the efficiency, th... | |
| System group: Electrical (80-89) | |
| Type: Modification | Investment: >50 MNOK |
| Profitability: Variable | Implementation: Assessed/Implemented |
| Opportunity 20: Maintenance optimisation | |
|---|---|
| Washing equipment at the right moment gives better equipment performance and reduced downtime. This ... | |
| System group: System general | |
| Type: Operations optimisation | Investment: Not quantified |
| Profitability: Variable | Implementation: Implemented |
| Opportunity 21: Flaring | |
|---|---|
| Reducing gas sent to flaring, since this is a significant contributor to emissions. Emissions will b... | |
| System group: System general | |
| Type: Operations optimisation | Investment: 0,1 - 1 MNOK |
| Profitability: Variable | Implementation: Implemented |
| Opportunity 22: Flaring | |
|---|---|
| The amount of gas flared can be reduced by modifying the flare system. This can be achieved through,... | |
| System group: System general | |
| Type: Modification | Investment: Not quantified |
| Profitability: Variable | Implementation: Assessed/Implemented |
| Opportunity 23: Compressor labyrinth seals | |
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Install a new type of labyrinth seals for compressors, can be done during overhaul or rebundling. |
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| System group: Main process (20-29) | |
| Type: Modification | Investment: Not quantified |
| Profitability: Variable | Implementation: Assessed/Implemented |
| Opportunity 24: Turbine modification | |
|---|---|
| Modifications on gas turbines can give relatively large effects for a more efficient energy producti... | |
| System group: Main process (20-29) | |
| Type: Modification | Investment: Not quantified |
| Profitability: Variable | Implementation: Assessed/Implemented |
| Opportunity 25: Operational planning | |
|---|---|
| Energy mapping will help to understand and thus reduce the energy consumption through improved opera... | |
| System group: System general | |
| Type: Operations optimisation | Investment: Not quantified |
| Profitability: Variable | Implementation: Assessed |
| Opportunity 26: Operational planning | |
|---|---|
| Training of operating personnel can lead to increased energy efficiency as it is not only technical ... | |
| System group: System general | |
| Type: Operations optimisation | Investment: Assessed |
| Profitability: Variable | Implementation: Training of operating personnel can lead to increased energy efficiency as it is not only technical improvements that will be implemented, but also increased knowledge and motivation for operating personnel. This gives greater focus on energy management and efficiency and can be done through: - On the Job Training (OJT) program on the operation of power supply. - Power Management Systems (PMS) courses conducted on all shifts. - Energy management courses conducted on all shifts. Company that assessed/implemented this improvement opportunity: Repsol |
| Opportunity 27: Power generation | |
|---|---|
| Improved control and instrumentation of power generation can reduce the energy consumption. The powe... | |
| System group: Electrical (80-89) | |
| Type: Modification | Investment: Not quantified |
| Profitability: Not quantified | Implementation: Assessed |
| Opportunity 28: Overall process optimisation | |
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General process optimisation can contribute to reducing energy use. This can be done through, e.g.: |
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| System group: System general | |
| Type: Modification | Investment: Not quantified |
| Profitability: Variable | Implementation: Implemented |
| Opportunity 29: Optimisation of the MEG regeneration unit | |
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Optimising the reflux rate to minimise losses of MEG from column. |
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| System group: Export and by-product handling (30-39) | |
| Type: Operations optimisation | Investment: Not quantified |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 30: Turbine optimisation | |
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Optimising the operation of gas turbines can lead to efficiency improvements. This can be done e.g. by:
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| System group: Main process (20-29) | |
| Type: Operations optimisation | Investment: Not quantified |
| Profitability: Variable | Implementation: Implemented |
| Opportunity 31: Compressor modification | |
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Modifying the compressors can contribute to reducing the energy use, through e.g.:
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| System group: Main process (20-29) | |
| Type: Modification | Investment: Not quantified |
| Profitability: Variable | Implementation: Implemented |
| Opportunity 32: VSD on compressor | |
|---|---|
| Optimised use of compressors and reduced energy use by implementing VSD (Variable Speed Drives) on the compressors driven by electric motor. | |
| System group: Main process (20-29) | |
| Type: Modification | Investment: Not quantified |
| Profitability: Variable | Implementation: Implemented |
| Opportunity 33: Maintenance optimisation | |
|---|---|
| Focusing on increased availability of the fuel gas can lead to a reduced use of diesel. Implementing condition-based maintenance on the fuel gas system makes it possible to carry-out maintenance only when needed. This can reduce downtime of the fuel gas system due to maintenance stops. | |
| System group: Process support and utility systems (40-69) | |
| Type: Operations optimisation | Investment: Not quantified |
| Profitability: Variable | Implementation: Implemented |
| Opportunity 34: Removal of HVAC water cooler | |
|---|---|
| Replace water cooling compressor with heat exchanger for direct cooling from seawater. Existing wate... | |
| System group: Process support and utility systems (40 - 69) | |
| Type: Modification | Investment: Not quantified |
| Profitability: Profitable | Implementation: Assessed |
| Opportunity 35: Increased temperature in the switchboard room | |
|---|---|
| Increase the temperature in the switchboard room to provide higher heat flow to adjoining rooms and ... | |
| System group: Process support and utility systems (40 - 69) | |
| Type: Operations optimisation | Investment: < 0,1 MNOK |
| Profitability: Profitable | Implementation: Assessed |
| Opportunity 36: Electrification of a Jack-up drilling rig | |
|---|---|
| Aker BP has contracted Maersk Drilling for a XLE4 rig. The rig has the possibility for electric powe... | |
| System group: Main process (20-29) | |
| Type: Modification | Investment: >50 MNOK |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 37: Bleeding of gas during maintenance | |
|---|---|
| Engie wanted to reduce emissions of hydrocarbon gas to air and avoid exposure to personnel. Solution... | |
| System group: Main process (20-29) | |
| Type: Modification | Investment: < 0,1 MNOK |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 38: Cleaning the heat exchangers | |
|---|---|
| Cleaning of heat exchanger has increased the efficiency and reduced the need for energy to heat the ... | |
| System group: Main process (20-29) | |
| Type: Modification | Investment: 0,1 - 1 MNOK |
| Profitability: Not quantified | Implementation: Implemented |
| Opportunity 39: Rebundling of the Jotun A low pressure compressor | |
|---|---|
| Reduced oil production has led to lower associated gas volumes in low-pressure compressors. To reduc... | |
| System group: Main process (20-29) | |
| Type: Modification | Investment: 10 - 50 MNOK |
| Profitability: > 9 MNOK/year | Implementation: Implemented |
| Opportunity 40: Transition from 2 to 1 turbine on Ringhorne | |
|---|---|
| Several measures have been implemented to reduce the power requirement on board, and thus be able to... | |
| System group: System general | |
| Type: Operations optimisation | Investment: Not quantified |
| Profitability: 13 MNOK/year | Implementation: Implemented |
| Opportunity 41: More efficient turbine operation on Gyda | |
|---|---|
| Running 1 turbine on gas and the other only periodically on diesel when needed. Due to insufficient ... | |
| System group: System general | |
| Type: Operations optimisation | Investment: Not quantified |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 42: Modification to the power generation turbines for increasing the capacity and efficiency on Draugen | |
|---|---|
| Upgrade of existing power turbines to increase capacity and efficiency. Draugen is designed with GT3... | |
| System group: System general | |
| Type: Modification | Investment: 10 - 50 MNOK |
| Profitability: Not quantified | Implementation: Implemented |
| Opportunity 43: Optimisation of the Anti-Icing system on the turbines on Sleipner A | |
|---|---|
| The anti-ice system on the Sleipner A turbines was optimised and it led to savings of about 10 000 t... | |
| System group: Electrical (80-89) | |
| Type: Operations optimisation | Investment: 10 - 50 MNOK |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 44: 1 Reduced use of the main gas turbine on Kvitebjørn | |
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| Only 1 main power turbine is run at Kvitebjørn for approx. 8 months annually, and this result in sav... | |
| System group: Electrical (80-89) | |
| Type: Operations optimisation | Investment: < 0,1 MNOK |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 45: Change to the operations philosophy for the production lines on the Oseberg field centre | |
|---|---|
| The Oseberg field centre changed operating philosophy for their production pipelines on the seabed a... | |
| System group: Drilling, well and subsea (10-19) | |
| Type: Operations optimisation | Investment: < 0,1 MNOK |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 46: Modification of the gas export on Volve | |
|---|---|
| Reconstruction of the gas export system with a smaller compressor was completed on Volve. This gave ... | |
| System group: Main process systems (20-29) | |
| Type: Modification | Investment: 10 - 50 MNOK |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 47: Better voltage regulators on the Oseberg Field Centre | |
|---|---|
| Better voltage regulators were installed at the Oseberg field centre, allowing an increase of the ma... | |
| System group: Electrical (80-89) | |
| Type: Modification | Investment: 10 - 50 MNOK |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 48: Changing well from oil to gas manifold | |
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| Gjøa well B3 is a high GOR well. By using the gas manifold instead of the oil manifold, significant ... | |
| System group: Drilling, well and subsea (10-19) | |
| Type: Modification | Investment: 0,1 - 1 MNOK |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 49: Oxygen control - minimise oxygen to crude oil storage tanks to increase uptime of the VOC recovery system | |
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| Unsatisfactory uptime of VOC compressor that has strict oxygen limits. Desired benefit of measure is... | |
| System group: Process support and utility systems (40-69) | |
| Type: Modification | Investment: Not quantified |
| Profitability: Not quantified | Implementation: Not assessed |
| Opportunity 50: Asymmetric load sharing between gas turbines and diesel engines | |
|---|---|
| Asymmetric load sharing between gas turbines and diesel engines was accomplished through a software ... | |
| System group: Main process systems (20-29) | |
| Type: Modification | Investment: 0,1 - 1 MNOK |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 51: Increased time interval for use of heat tracing on subsea flow lines | |
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| Subsea flowlines have been heated every second week to melt possible wax formations. Routines have b... | |
| System group: Drilling, well and subsea (10-19) | |
| Type: Operations optimisation | Investment: < 0,1 MNOK |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 52: Changed offloading rate to shuttle tanker | |
|---|---|
| Adjustment of offloading rate to shuttle tanker. This has resulted in a diesel saving of approximate... | |
| System group: Export and by-product handling (30-39) | |
| Type: Operations optimisation | Investment: < 0,1 MNOK |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 53: Avoiding the use of deck lights during daylight hours on Navion Saga | |
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| Turning off the deck lights during daylight hours on Navion Saga results in a fuel saving of approxi... | |
| System group: Electrical (80-89) | |
| Type: Operations optimisation | Investment: < 0,1 MNOK |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 54: Changed routines for emergency generator testing | |
|---|---|
| Changed testing intervals from 2 to 4 weeks for emergency generators. This results in a saving of ro... | |
| System group: System general | |
| Type: Operations optimisation | Investment: < 0,1 MNOK |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 55: Energy planning for drilling | |
|---|---|
| Until now, drilling on Brage has typically required the use of two gas turbines to serve the additio... | |
| System group: Drilling, well and subsea (10-19) | |
| Type: Operations optimisation | Investment: Not quantified |
| Profitability: Profitable | Implementation: Not assessed |
| Opportunity 56: Opportunity 56. Heat tracing evaluations | |
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Brage is currently evaluating the need for heat tracing. This falls into two groups:
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| System group: Drilling, well and subsea (10-19) | |
| Type: Operations optimisation | Investment: Not quantified |
| Profitability: Profitable | Implementation: Not assessed |
| Opportunity 57: Reduced helicopter traffic | |
|---|---|
| Brage has carried out a study to evaluate helicopter traffic to and from Brage. As a result, 1 fligh... | |
| System group: System general | |
| Type: Operations optimisation | Investment: < 0,1 MNOK |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 58: Upgrade of combined cycle system | |
|---|---|
| Upgrading of waste heat recovery system on Eldfisk 2/7 E, used for power generation. Previously this... | |
| System group: Electrical (80-89) | |
| Type: Modification | Investment: Not quantified |
| Profitability: Not quantified | Implementation: Implemented |
| Opportunity 59: Upgrade of flare system | |
|---|---|
| A new pilot flare system was installed on Eldfisk 2/7 B in 2010 to replace the old flare system due ... | |
| System group: Process support and utility systems (40-69) | |
| Type: Modification | Investment: 10 - 50 MNOK |
| Profitability: Not quantified | Implementation: Implemented |
| Opportunity 60: Operations optimisation of Waste Heat Recovery Unit (WHRU) | |
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| Operations optimisation of the Waste Heat Recovery Unit (WHRU) system. The Ekofisk 2/7 K platform ha... | |
| System group: Electrical (80-89) | |
| Type: Operations optimisation | Investment: < 0,1 MNOK |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 61: New flare system | |
|---|---|
| A new flare system with flare gas recovery has been installed on the new platform Eldfisk 2/7 S, whi... | |
| System group: Process support and utility systems (40-69) | |
| Type: Modification | Investment: 10 - 50 MNOK |
| Profitability: Not quantified | Implementation: Implemented |
| Opportunity 62: Modification of oil export pump | |
|---|---|
| Energy efficiency measure on the oil export pump on Ekofisk 2/4 J. One of the export pumps does not ... | |
| System group: Export and by-product handling (30-39) | |
| Type: Modification | Investment: 0,1 - 1 MNOK |
| Profitability: Profitable | Implementation: Implemented |
| Opportunity 63: Operations optimisation of gas compressor to pipeline | |
|---|---|
| Changed operations philosophy for a more energy efficient mode for the pipeline gas compressors at E... | |
| System group: Export and by-product handling (30-39) | |
| Type: Operations optimisation | Investment: < 0,1 MNOK |
| Profitability: Profitable | Implementation: Implemented |