TESSEL™
A Low-Pressure, Closed-Loop Production Vessel for Enhanced Oil Recovery and Emissions Reduction
TESSEL™ is our hatchless production vessel engineered to replace conventional API storage tanks in oil and gas operations. Designed for low emission storage and improved production efficiency, TESSEL™ combines the capacity of a traditional API tank with the performance of an ASME style vessel, operating at pressures up to 30 PSIG to exceed the limitations of standard API 12F and API 650 designs.
By maintaining higher operating pressure, lighter hydrocarbons remain in solution, reducing flash gas and increasing recoverable crude volumes. The sealed configuration improves vapor recovery unit performance with lower horsepower demand while reducing fugitive methane and VOC emissions. TESSEL™ enables facility optimization without major upstream equipment modifications and supports compliance with evolving environmental regulations.
Operational modeling indicates reductions in working losses of up to 98 percent and decreases in VRU horsepower requirements of approximately 30 percent. Compared to traditional tank battery configurations, TESSEL™ offers measurable improvements in recovery rates, emissions control, and overall return on invested capital.
key TESSEL™ features
TESSEL™ Design, Operating Features and Vapor Management
TESSEL™ combines storage tank capacity with pressure vessel performance to create a sealed and stable operating environment compatible with modern Oil + Gas production equipment.
Key features include:
- Options for 15 or 30 psig pressure ratings and 1 or 3 psig vacuum ratings
- Completely sealed no thief hatch design
- Up to 98 percent reduction in working losses during fluid movement
- Supports heater treater adjustments to manage RVP
- Higher pump feed pressure for consistent flow
- Available in 500 bbl, 750 bbl, and 1000 bbl configurations
- Ideal replacement for conventional API tank batteries and VRT dependent designs
TESSEL™ can be installed in new construction or retrofitted to replace multi tank systems. It offers a smaller facility footprint, simplified vapor routing, and improved vapor recovery performance.
Performance Benefits for Oil & Gas Production
TESSEL™ delivers quantifiable gains in oil recovery, vapor recovery efficiency, and emissions reduction which makes it one of the industry’s most advanced storage vessels.
Higher Oil Recovery
- Elevated tank pressures keep light end hydrocarbons in the liquid phase
- Oil sales rates increase across API 38 through 61 gravity crudes
- Improved NPSH to pumps enhances LACT throughput
Lower Flash Gas and VRU Loads
- Reduced flash gas enables up to 30 percent lower VRU horsepower
- Stable suction pressure improves compressor cycling and uptime
- Supports closed loop production vessel operation
Reduced Emissions
- Fully sealed hatchless design reduces atmospheric breathing and standing losses
- Higher relief setpoints minimize ambient driven losses
- Significant reduction in non-exempt VOC emissions due to minimized venting
Rapid ROI
- Higher oil recovery and lower vapor losses can create up to four million dollars of additional yearly revenue
- TESSEL’s incremental CapEx is recovered in approximately one month of operation
- Strong ESG improvement aligned with methane reduction initiatives
Increase Oil Recovery and Eliminate Emissions
TESSEL™ helps operators meet environmental performance and methane reduction requirements without sacrificing production efficiency. Through elevated operating pressures and a sealed design TESSEL™ delivers:
- More oil to sales
- Lower facility emissions
- Reduced operating costs
- Stronger ESG alignment
- Reliable compliance with methane and VOC regulations
TESSEL™ is the oil & gas industry’s most advanced closed loop oil storage vessel engineered for efficiency, emissions control, and stable high-performance operations.