Application of enzyme-based green solvents for the recovery of subsurface fluids
This invention relates to the improved hydrocarbon recovery using an enzyme-based green solvent in unconventional reservoir
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What is GreenZyme®?
GreenZyme® is a water based, inert, enzyme concentrate that facilitates the change of adhesion behavior of crude oil, by adsorbing primarily into the rock surface. Using the polar effect of the enzyme molecule, GreenZyme interferes with the attachment of crude oil to the rock surface and to itself. Then Enzyme Fluid Technology is a Hydrocarbon Separator solution that increases the mobility of oil and reservoir fluids.
FACT: GreenZyme® Technology has been observed to lower Interfacial Tension (IFT), interfere with the attachment behavior producing a pronounced change in oil-rock wettability that mobilizes crude oil.
GreenZyme® is not a Chemical!
Benefits & Solutions
Mechanism
GreenZyme® EEOR solution catalyzes reactions between the oil, the rock and water.
With direct effect on on Polar Forces, GreenZyme has been proven to reduce Interfacial Tension, interfere with the attachment behavior of crude to change oil-rock wettability that will mobilize remaining oil.
GreenZyme® changes the adhesion behavior of oil and creates a positive skin, prompting oil to slide off formation rock or sand.
Biodegradable and Environmentally Friendly!
Application
Compatible with Single Wells - Waterflooding Systems - WAG - Steam - Heavy Oil - SAGD - Smart Water
Wells with clogging problems and/or accelerated increase in the water cut.
Heavy Oil Fingering & Coning
New wells with rapid decline in production.
Environments of high temperature & any salinity
Restricted wells due to paraffin build up, formation damage, low permeability due to mobility of oil.
Case Study
VENEZUELA
In 2000, La Salina Oil Field, located around Lake Maracaibo, Venezuela, had many blocked, under performing wells. Well TJ-1319 was chosen to receive multiple treatments of GreenZyme® Technology for EOR and to test whether the recovery factor would increase after each treatment. GreenZyme® had already established success in single treatment applications, but prior to this pilot, no multiple applications of a single well with GreenZyme® had been recorded in South America.
After treatment, initial fluid production increased with produced water being extracted first, followed by oil production. Treatments effectively removed wellbore blockage for improved permeability. Increased recovery was maintained above the baseline as long as 12+ months, before starting to decline. GreenZyme® was found to be effective in any type of oil environment (heavy, medium, light).
Multiple applications of GreenZyme® yielded significant increases in production following each treatment, with no negative effects. Over a 16 year span, TJ1319 received 6 applications of GreenZyme®. Each time TJ1319 was treated with GreenZyme® it yielded an increase in BOPD. The first 5 treatments saw a daily average production increase of 335% and a total of 608,000 barrels of additional oil in the first 8 years.
Case Study
Today's Facts
Technology Features
1
COST EFFECTIVE
Studies contemplate the return towards mature fields by means of IOR/EOR recovery, due to the cost effective applications of these technologies vs non-conventional and deep water production. Mature Field are ready to provide extra production.
2
3
Accessible
Multi-use EoR
Mature fields are located in accessible regions surrounded by necessary equipment and available infrastructure for GreenZyme treatment, creating oil well intervention opportunities that require less resources, ultimately reduce cost while providing a quick impact o production.
Water Based Additive is not affected by pH level, Salinity, & Temperature in the formation. It provides a solution to the presence of heavy oil paraffins, naphthatenes, asphaltenes, and/or sulfur in any amount. Immune to the presence of chemicals, ASP, Metallic Ions & Radio-active isotopes. GreenZyme is NOT a solvent.
“Environmentally friendly, enzyme fluid technology gives operators new, effective ways to recover more remaining oil.”
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