Treating and Releasing Produced Water at the Ultradeepwater Seabed
Tomorrow’s energy needs are driving the industry to pursue the concept of “no oil left behind.” But this goal comes at a cost as the pressures in remote deepwater reservoir pockets are depleted and the water cuts increase. Existing technology is evolving to meet the challenges to automate water separation and purification in deepwater for environmentally safe discharge at the seabed.
To solve these problems, the objectives must be defined; the best available solutions must be selected, and the technology gaps must be identified and closed. Environmental protection is a priority, and the translation of the existing statutory regulations regarding discharged water quality is the starting point. Safety and reliability will follow along with the flexibility to tailor the system to match the reservoir’s changing needs and to incorporate the best, newest, and fastest-developing technology. Equipment relocation may also prove commercially attractive.
Major challenges will include remote process train control and monitoring, and the ability to perform routine maintenance while the wells still flow. Some of this technology could have immediate benefits to surface processes that would in turn provide ideal proving grounds before the technology ventures into deepwater.
Are Your Produced Water Decisions Based on the Best Economics?
Recycling produced water may not be the soundest economic decision for operators of hydraulic fracturing projects. A water logistics expert examines the design considerations companies must account for with full-cycle water management systems.
Apache Aims To Boost Produced Water Reuse in Permian
The rising oil production and produced water volumes in the Permian are expanding the scope and scale of recycling. Apache is targeting 50% of its frac water to be made up from recycled produced water this year.
Newfield Exploration: Diligence Needed for STACK Water Plan
An advisor at Newfield Exploration takes a closer look at the company’s water management operations in the Oklahoma STACK, as well as the lessons learned in its development.
22 February 2018
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26 February 2018