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Providing clean water (whether it be produced water or seawater) is what we do for the oil & gas industry. Removing solids, oil and other contaminants prior to reuse, reinjection or discharge offshore, is key to our oil & gas producing customers and to our environment.

Produced water treatment for reuse and reinjection improves the recoverable reserves from a reservoir. To accomplish production performance, we concentrate on the injection water quality.

Whatever your produced water treatment needs, we have the knowledge and solutions to meet your produced water requirements, enhanced oil recovery, and water treatment solutions for your production, operations and reservoirs. We treat well water, river water, seawater and produced water for injection or reinjection, onshore and offshore for the oil & gas industry.

Enerscope Systems Inc. can provide Packaged Systems, Desanders and Self-cleaning Screens & Filters specifically designed for the oil & gas industry. Other filtration products supplied by Enerscope Systems Inc., exclusively for the oil & gas industry, include: Hydrocyclones; Separators; Media Filters; Automatic Filters; Barrier Filters; Disc Filters; Sand Washing Systems; and other complete filtration packages.

Enerscope Desanders effectively remove solids from liquids using centrifugal-action.

Designed for high efficiency solids removal for dirtiest of applications to keep your fluid stream free of troublesome solids.

Designed and constructed to all industry standards such as ASME, ANSI, CRN, PED and NACE among others for your specific application.

No Moving Parts, Minimal to Zero Liquid Loss, and Steady System Pressure Drop for All Fluids.You know the drawbacks of traditional filtration techniques. You now have the opportunity to make a much better choice

Deoiling Hydrocyclone – Series EDH

As a world leader in meeting your produced water treatment needs, Enerscope Systems offers a complete line of filtration & separation equipment. Our patented liquid/liquid hydrocyclone is the most advanced, yet least complicated deoiling hydrocyclone available.

Advanced Separation Technology

O V E R V I EW

As a leading systems integrator Enerscope Systems utilizes the most current field-proven technology within our packages to ensure we provide cost effective and efficient solutions for all process conditions. To enable us to do this for our Produced Water Treatment Packages we are pleased to offer our most advanced liquid/liquid hydrocyclone. Enerscope EDH Deoiling Hydrocyclone liners represents the state of the art in primary Produced Water Treatment technology; a fourth generation hydrocyclone geometry optimizing the critical balance between oil removal efficiency and capacity. This ensures that optimal separation is achieved in the most cost effective and space efficient manner.

Using advanced engineering design tools, Enerscope Systems has developed the latest generation deoiling hydrocyclone, the Enerscope EDH Deoiling Hydrocyclone. The Enerscope EDH has a unique patented inlet geometry that minimizes turbulence and reduces inlet wear. The innovative liner geometry produces finer hydrocarbon separation at higher unit capacities, allowing fewer cyclone liners to be used for optimal performance and cost. The EDH has undergone extensive independent trials and has proved to be one of the most efficient liquid/liquid hydrocyclones available to the Oil & Gas Industry. The Enerscope EDH Deoiling Hydrocyclone is used to treat produced water streams at even higher rates of entrained oil than previously possible, while meeting discharge water oil content.

PRINCIPLE OF OPERATION

Fluid enters our deoiling hydrocyclone through the involute inlet. Its velocity is converted into tangential velocity in the inlet area, thereby creating a centrifugal action. As the fluid moves down the conical section, tangential velocity progressively increases. The water phase, which is subjected to higher centrifugal forces, moves to the outer wall of the cyclone. The lighter phase (oil droplets), are move toward the inner core of the cyclone. The water phase exits the deoiling hydrocyclone as underflow. The core of the light phase, which is oil, moves axially up the cyclone, due to back pressure on the underflow, and exits out the reject orifice as overflow.

The EDH liner:
:: maximizes the acceleration field created by the axially rotating flow
:: minimizes the radial distance that an oil droplet must travel to reach the axial oil core
:: maximizes the residence time that the oil drop has to reach the axial oil core

Benefits

Multiple inlets. The patented design features multiple inlet ports, radially balanced around the circumference of the unit. This provides superior hydraulic stability that produces a straight oil core that is stable even at very low flow rates. This enables the hydrocyclone to achieve higher removal efficiencies that can reduce or eliminate the need for emulsion breaking chemicals as well as allows our hydrocyclone to operate at higher turndown ratios.

High Efficiency Liquid/ Liquid Hydrocyclone

Adjustable overflow orifice. The diameter of the overflow orifice is automatically adjustable during operation. This dramatically increases efficiency and compensates for varying oil volumes.

Heating capability. A jacket permits circulation of hot fluids or steam around the unit to reduce viscosity thereby enhancing separation performance.

Solids removal option. Solids separation option allows our deoiling hydrocyclone to separate and removes solids in slurry form.

OPTIONS & RETROFITS

High Turndown Vessel Design & Options

For applications requiring very high turndown, Enerscope offers its high turndown design compartmentalized vessel. Internal baffles are used to divide the vessel into either two or more separate compartments. Each compartment can be switched in or out of service using external valving to suit your process conditions. This operation can be manual or fully automated. The Enerscope high turndown design has considerable benefits over traditional methods to increase turndown as it eliminates the need for either blanking liners or using multiple vessels.

Pumped Deoiling Hydrocyclone Option

When the existing process pressure is too low, a low shear booster pump is included to increase inlet pressure. Our pump ensures minimal shearing of oil droplets and our piping design optimizes system operation.

EDH Series Retrofits

The capacity of your existing hydrocyclone system can be increased while improving separation performance by implementing Enerscope EDH Series Deoiling Hydrocyclone liners. This can be accomplished without the addition of extra hydrocyclone vessels in nearly all cases. The Enerscope EDH Series liner can be adapted to retrofit your existing third party hydrocyclone vessel.

Key Features
Stable oil core provides higher separation performance

:: No Moving Parts – saves maintenance time and cost

:: Low and steady pressure loss saves energy and provides predictable flow rates and operating system

:: Designed to handle slugging, upset situation and high solids loading provides predictable operating system

:: Enhanced inlet ports for optimum oil recovery

:: Choice of profiles to accommodate space and piping limitation making for an easy layout and installation

:: Systems and skidded units available

:: Light Weight and Small Footprint

:: Not Affected by Fluctuations in Motion (suitable for FPSOs)

:: Annular axial inlets reduce turbulence

:: Multiple inlets improve wear resistance

:: Involute can be inspected without liner disassembly

:: Low CAPEX and OPEX

:: Tested and Field-proven technology

General Specifications

::Standard pressure ratings up to 1,480 psi (102 bar),

other pressure ratings available

::ANSI flanged inlet and outlet connections;

DIN and other connections available

::Standard Design Temperature: 93º C (200º F),

other temperature ratings available

::Designed and constructed to all recognized standard (ASME ANSI, CRN, PED and NACE among others)

::Liner Material: Duplex Stainless Steel. Other materials available such as 316L SS, Stellite 6, Tungsten Carbide, Reaction Bonded Silicon Carbide and PEET.

Produced Water Treatment Systems

Enerscope’s EDH Series Deoiling hydrocyclone systems form an integral part of our Produced Water Treatment capability. These systems can range from fully automated packaged systems to stand alone vessels. The integration of complete systems to treat produced water from oil and gas processing is an important element of our business. Enerscope Systems have designed and built packages to meet the most stringent discharge limits. The designs can include one or more stages to treat high inlet levels of hydrocarbon-in-water.

Patents
2,288,239, 2,473,537, 5,858,237, 728425, 0979148, 0979148, 69818989T2, 316595, 68774, 0979148

HERE ARE A FEW OF OUR COMMON APPLICATIONS:
Pipeline Flushing & Testing FWKO SAGD Produced Water Deoiling Waterflood Injection Frac Water
Offshore Production Disposal Wells Secondary Recovery Subsea Production Tertiary Recovery & Treatment.

CORPORATE OFFICE
15859 - 116 Avenue
Edmonton, Alberta T5M 3W1
Canada
Phone: +1 780.439.9600
Fax: +1 780.439.7877
sales@enerscopesystems.com

Reinjection Plants

Bag Filters Eliminated for Waterflood Injection Wells
Bag Filters Eliminated for Waterflood Injection Wells

System Identification: 
Waterflood injection

Solids/liquids: 
Sand, silt and hydrocarbons/produced water

Problem: 
A bag filter system used to filter produced water at a major oil production company’s site had to be changed as often as every hour, demanding extensive time of maintenance and plant operations personnel at a site originally designed to be unmanned. The bag filters were being used to protect the oil-water separating hydrocyclone.

Solution: 
Searching for a lower-maintenance, more efficient filtration solution, the operations staff at the production company first installed the Enerscope Desander prior to the bag filters, intending to extend bag life and improve operating efficiency. After only one year in operation, the desander was found to be so efficient in removing sand from the produced water that the bag filter system could be completely eliminated. In addition to eliminating the costly bag system, the desander protects the hydrocyclone from extensive wear, extending its operational life and increasing performance. Due to the high velocities required in the hydrocyclone, sand in the system produces considerable wear. In the system, produced water is fed first through the Enerscope Desander, then to the oil-water hydrocyclone. Sand is removed from the produced water, keeping it out of the injection well system and protecting the hydrocyclone. The results have been dramatic. In operation for more than four years, the desander reduced system maintenance significantly, freeing staff time for other operational tasks. Installation cost savings were remarkable, with the initial cost of the Enerscope Desander less than 15 percent of the cost of the bag filtration system. A second system has been installed at a neighboring location. The operator had stringent pressure requirements for this filtration system. The Enerscope Desander incorporated at this site was able to meet the 600 psi requirements, as well as handle the corrosive nature of the fluid. Chief Operator, Brad Smith, has been exceptionally pleased with the operational improvements achieved with the Enerscope Desander. Bag filters have been eliminated, along with their extensive maintenance. The Enerscope Desander was easily installed, and has low operating costs.

Waterflood Injection Wells Maintain Efficiency with Enerscope Desander

Waterflood Injection Wells
Keeping sand out of their injection well systems, Shell Oil Company in Denver City, Texas (now owned by Oxy) relies on over 50 Enerscope Desanders to help reduce repairs and replacements of expensive pumping systems and preserve the necessary porosity and permeability of their underground formations.  Since the first installations, these desanders have been significantly effective in helping curb soaring labor and maintenance costs.

Well water is pumped directly to the Enerscope Desanders from turbine pumps at approximately 17,000 bbld.  The desanders remove the sand, discharging the water down line to an injection pump station.  At each station, high performance injection pumps convert line pressure from 100 to 2,000 psi for injection into the ground.  This forced water sweeps the oil deposits toward producing wells for recovery.

Spokesmen for Shell Oil indicate the Enerscope Desanders protect their systems at several points:

1. Sand settlement in the pipelines is greatly reduced and good flow characteristics are maintained.
2. System performance is no longer inhibited by sand.
3. The ultra filtration equipment is protected from plugging and excessive wear.
4.The injection pumps are protected from abrasive wear and expensive repairs and replacements.(Before the Enerscope Desanders were installed, these pumps sometimes required repairs as often as every two weeks because of sand wear.)
5. The limestone formations below the surface are kept free of sand which otherwise would have clogged the area around the injection wells and severely hampered the injection technique.

The automatic purging systems are installed on the Enerscope Desanders to regularly flush the desander of collected sand and all units are coated with Scotchkote to withstand the years of 24-hours-a-day operation in the presence of H2S. According to spokesmen for Shell Oil, “We expect to eventually install Enerscope on all our fresh water wells in this project. They cured our major sand problems, maintenance now is comparatively nil, and the cost savings are appreciable”

 

Desanders Protect Pumps And Curb Maintenance Costs for Saltwater Disposal Wells

Waterflood Injection Wells
No longer the victim of excessive and expensive high-pressure pump repair costs, Marshall Exploration of Logansport, Louisiana, installed several Enerscope Desanders to eliminate sand from saltwater and reports huge monthly savings. The saltwater remnant from their oil drilling and refining operations, is disposed of by means of high-pressure injection into the ground. Gravity-fed from huge holding tanks, this brackish water passes first through a Y-strainer and then directly through the Enerscope Desanders for removal of sand and abrasive grit before reaching the system’s high pressure pumps for deep well injection.

Says Philip Blue, Area Supervisor for Marshall Exploration, “Without the desanders, we were spending a lot every month to repair or replace the pumps’ plungers, ceramic heads and seals. Valve damage was also a big problem. Now, we can keep operating efficiently for more than five months without such problems. That’s a big savings for us.”

Blue also points out that shutting down for pump & system maintenance is also costly. “When we have to shut down for repairs, it takes two men over 2-1/2 hours to get our system going again,” says Blue. “Now, with the desanders, we are not forced to shut down.”

By eliminating these troublesome solids, Marshall Exploration also enjoys maximum injection characteristics with less chance of plugging the underground formations.

“We’re very pleased with the benefits and value of our Enerscope Desanders,” says Blue. “It saves us a lot of money.

 

Produced Water Treatment

Produced Water TreatmentUnits designed for installation prior to FWKO and heater Treater. Remove unwanted solids and increase production without causing emulsions. Desanders installed have decreased maintenance by an average 400%.

System Identification:

Oil production; produced water; protection of FWKO and Heater-Treater

Solids/Liquids:

Sand, silt, clay and hydrocarbons in oil/water emulsion

Problem:

At the Renaissance Energy site in southwest Saskatchewan, a high level of sand in the Free Water Knock Out (FWKO) tank and heater-treater tank was causing the plant to shut down for maintenance every 4-5 months. The produced water contains an oil/water emulsion mixed with sand, clay, silt and hydrocarbons. The sand was filling up in the tanks, leading to lower efficiencies, and inadequate retention time in the heater-treater. Renaissance had previously tried another type of separator, but was unhappy with the performance and durability of the unit.

Solution:

An Enerscope Desander was installed prior to the FWKO to remove the unwanted sand, silt and clay. Production Engineer Mike Briffett found that not only were the tanks protected, maintenance time was reduced significantly. This helped to lower maintenance costs and eliminate the previous plant shutdowns, thereby increasing production, resulting in cost savings exceeding $200,000 at this site alone. With the desander in place, shutdowns are limited to a required annual inspection. Additionally, the consistent low pressure drop of the Enerscope Desander, maintains a consistent flow in the battery. Briffett also noted the ease of installation and the compact profile of the desander. The system has been in operation at the Verlo Battery for more than four years and Renaissance is pleased with the performance, finding the Enerscope Desander an effective method for removing sand from produced water. An additional ten units have been purchased for installation in various production sites.

FWKO Protection


Units design for installation prior to FWKO and heater Treater. Removed unwanted solids and increase production without causing emulsions. Desanders installed have decreased maintenance by an average 400%.

System Identification:

Oil production; produced water; protection of FWKO and Heater-Treater

Solids/Liquids:

Sand, silt, clay and hydrocarbons in oil/water emulsion

Problem:

At the Renaissance Energy site in southwest Saskatchewan, a high level of sand in the Free Water Knock Out (FWKO) tank and heater-treater tank was causing the plant to shut down for maintenance every 4-5 months. The produced water contains an oil/water emulsion mixed with sand, clay, silt and hydrocarbons. The sand was filling up in the tanks, leading to lower efficiencies, and inadequate retention time in the heater-treater. Renaissance had previously tried another type of separator, but was unhappy with the performance and durability of the unit.

Solution:

An Enerscope Desander was installed prior to the FWKO to remove the unwanted sand, silt and clay. Production Engineer Mike Briffett found that not only were the tanks protected, maintenance time was reduced significantly. This helped to lower maintenance costs and eliminate the previous plant shutdowns, thereby increasing production, resulting in cost savings exceeding $200,000 at this site alone. With the desander in place, shutdowns are limited to a required annual inspection. Additionally, the consistent low pressure drop of the Enerscope Desander,

maintains a consistent flow in the battery. Briffett also noted the ease of installation and the compact profile of the desander. The system has been in operation at the Verlo Battery for more than four years, and Renaissance is pleased with the performance, finding the Enerscope Desander an effective method for removing sand from produced water. An additional ten units have been purchased for installation in various production sites.


Enerscope Desanders are Ideal for:

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