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Collaborating Authors
Block 211/23d
Abstract Crude oil delivery expectations under timeline constraints sometimes necessitate simultaneous operations (SIMOPS) for completing field development requirements. During one such SIMOPS exercise on Field X, a major sour oilfield in causeway sites close to the Arabian Gulf in Saudi Arabia, different sub-organizations coordinated potentially different, yet complimentary operations or activities in the same location together. Challenges from the exercise included instituting an interface criteria for promoting safe operations and good technical standards for all parties. After considering work requirements, a SIMOPS team facilitated an assessment review, devised a response framework with rescue, evacuation, or emergency response plans in the event of accidental release of H2S, besides making certain other modifications to satisfy multiple stakeholders. An auditable matrix was instituted for regulating and supporting permissible simultaneous rigless and construction activities while upholding health, safety, and the environment. The scope of this paper is to show how SIMOPS was successfully planned, executed, and managed for the first time in causeway drill sites in Saudi Aramco to prevent safety and environment incidents while ensuring to meet well tie-ins and field production targets. The approach involved delineating clear reporting lines or control hierarchy for various stages of operation, avoiding schedule clashes by outlining clear scenarios for each organization. Guidelines were binding for all team members because of collaboration among multidisciplinary team members to develop suitable hazards identification and risk management plans thus formulating the foundations for the SIMOPS and ensuring safety of workers. SIMOPS facilitated the unlocking of the giant field's potential while optimizing potentially conflicting but complimentary activities on the same drill site to meet crude demand reliably and safely. Success with SIMOPS has allowed oil production delivery from the field and safe working environment for crews.
- Asia > Middle East > Saudi Arabia (1.00)
- Europe > United Kingdom > North Sea > Northern North Sea (0.40)
- Energy > Oil & Gas > Upstream (1.00)
- Government > Regional Government > Asia Government > Middle East Government > Saudi Arabia Government (0.57)
- Europe > United Kingdom > North Sea > Northern North Sea > East Shetland Basin > Block 211/23d > Causeway Field > Brent Group Formation (0.98)
- Europe > United Kingdom > North Sea > Northern North Sea > East Shetland Basin > Block 211/23b > Causeway Field > Brent Group Formation (0.98)
- Europe > United Kingdom > North Sea > Northern North Sea > East Shetland Basin > Block 211/22a > Causeway Field > Brent Group Formation (0.98)
- (3 more...)
- Health, Safety, Environment & Sustainability (1.00)
- Facilities Design, Construction and Operation > Processing Systems and Design > Separation and treating (0.94)
- Well Completion > Completion Installation and Operations > Coiled tubing operations (0.69)
- Production and Well Operations > Production Chemistry, Metallurgy and Biology > Corrosion inhibition and management (including H2S and CO2) (0.66)
Abstract Increased concerns from well testing activities about the environmental impact have left several oil industry challenges. Some of these challenges include handling well effluents from flow back operations with sour crude; the challenges can be more severe to contend with H2S safety, pollution and spill risk. Limited deck space in offshore environments often restricts the footprint of flow back equipment. An optimized solution to cater specifically for offshore operations requires careful design to ensure a safe yet functional flow back system. The pollution risk from fall out could have serious consequences to the marine life and habitat. Given that offshore operations typically cost an order of magnitude in excess of land based operations, weather uncertainties could typically result in cost overruns, increasing total job costs. The scope of the paper is to examine the evolution of well deliverability testing — from conventional flaring practices to contemporary smokeless and zero flaring operations in a giant carbonate oil field in Saudi Arabia, surrounded by a world class environmentally protected marine and coastal ecosystem. The examination of 100 well testing candidates, with 39 of those using the zero flaring approach, allows a demonstration of the clear cost, technical and economic benefits over traditional flaring techniques. Before the production facilities and flow lines were operational, the previous clean up method required flaring of oil and gas. Although best practices were applied, an environmental and technical cost accompanied the approach. With the completion of the flow lines and production facilities, the application of the zero flaring option became possible. The possibility to conduct zero flaring provides several attractive benefits, with at least the equivalent of 4,000 barrels of oil not flared, pollution avoidance, 50% time saving and over 50% reduction in total job costs for the field development.
- Government > Regional Government > North America Government > United States Government (1.00)
- Energy > Oil & Gas > Upstream (1.00)
- Government > Regional Government > Asia Government > Middle East Government > Saudi Arabia Government (0.87)
- Asia > Middle East > Saudi Arabia > Arabian Gulf > Arabian Basin > Arabian Gulf Basin > Manifa Field (0.99)
- Europe > United Kingdom > North Sea > Northern North Sea > East Shetland Basin > Block 211/23d > Causeway Field > Brent Group Formation (0.98)
- Europe > United Kingdom > North Sea > Northern North Sea > East Shetland Basin > Block 211/23b > Causeway Field > Brent Group Formation (0.98)
- Europe > United Kingdom > North Sea > Northern North Sea > East Shetland Basin > Block 211/22a > Causeway Field > Brent Group Formation (0.98)