Downstream

The project consisted of the installation of three temporary steam boilers, one deaerator with BFW pumps, a blowdown vessel, CEMS units, demineralized water processing trailer and storage, wastewater storage, and transfer pumps. Approximately 10,000 linear feet of pipe was installed. Medium voltage, low voltage, and control power systems were installed. The systems were controlled via local PLCs on each piece of equipment and terminated at a central processing unit. A battery limit access platform was included in the scope. Keystone provided engineering and design services.

The project consisted of installing of a new Reactor, Air Preheater, Feedstock Preheater, Waste Heat Boiler, Cooling Water System, and Vent Scrubber at a carbon black facility. Process piping for reactor was tied into to the existing blower and bag filter systems. Reactor utility piping was interfaced with existing facility utility system piping systems at various locations throughout facility. Multi-level Structures were implemented with for support of associated utility and process piping requirements along with operations and maintenance access platforms to equipment and instrumentation. Project also included interface with pipe stress analysis and incorporation of stress requirements to Structural design. Keystone project execution team included Civil, Structural, Mechanical, Electrical, and Instrumentation engineering discipline support.

To support facilities associated with the Centralized Storage, Keystone provided project management, engineering, and design FEED services. The scope included the installation of temporary storage and stabilization capabilities for the Eagle Ford Region to act as a surge for the Condensate Trunkline. Additionally, the project involved future expansion capabilities for an additional storage tank and vapor recovery to gather the flash gas. The stabilization capabilities were necessary to get RVP to an acceptable level for sales contract. The design criteria associated with the scope included a design storage capacity of 30,000 BBL and a design facility average flowrate of 120,000 BOPD.

Keystone provided project management and detailed engineering for the OSBL portion of restarting the coke conveyor unit at a refinery. Keystone’s scope included performing a 3D laser scan and assessing the existing structural steel and foundations which previously supported a 24” wide conveyor and providing detailed design for all necessary upgrades to support the installation of a new 36” wide conveyor in its place.

Additionally, Keystone provided detailed civil/structural design for a new coke crusher at the north end of the conveyor, as well as detailed electrical and instrumentation engineering.

Keystone provided project management, engineering, and design services for the Lake Boeuf Grand Coteau Facility design to support the addition of two new wells and working over the existing Well #1. The new wells required a full facility to produce, separate, store, and sell the oil and gas production.

The scope of work for the new facility design included well flowline rated for SITP of the well (<10,000 psig) for Well #1, well flowline rated for SITP of the well (<15,000 psig) for Well #2 and #3, line heater with line heater fuel gas scrubber, slug catcher, HP and LP separator, fuel gas/instrument gas scrubber, oil heater treater, glycol dehydration package, amine unit for CO2 removal, dewpoint control unit, oil storage tanks, three 500 BBL water storage tanks, one spare storage (slop) tank, tank recirculation/offloading pump skid, HP flare scrubber and pump, LP and HP flare, and LP flare liquid blowcase.

Keystone provided engineering and design services to evaluate the sizing and hydraulics of relief valves at a refinery in Northwest, Louisiana. The PSV assessment included 404 PSVs and 31 total units. The scope of work included site visit per unit for data collection, the design basis for applicable scope in each unit, API 521 calculation for each PSV reviewed, a summary report including unit limitations, and an updated model of the relief system in Visual Flare.