PUBLICATIONS
SPE-228965-MS
Successful Application Of Advanced Enzyme Clean Up System In Perforated Completions To Revive Dead Wells – Case Studies From Romania. This paper was prepared for presentation at the Abu Dhabi International Petroleum Exhibition & Conference held in Abu Dhabi, UAE. (3-6 November 2025).
SPE-226540-MS
Step Changed Towards Initial Wellbore Clean Up for New Wells, With Cost Competitiveness. This Paper was prepared for presentation at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, Jakarta, Indonesia. (14–16 October 2025).
United States Patent US 63804083, May 12, 2025
Shelf stable hydrolase enzyme formulations for removal of WBM and OBM filter cakes.
SPE-222951-MS
Novel Application of Modified Enzymatic Fluid System for Freeing Stuck Pipe in Gas Wells. This paper was prepared for presentation at the ADIPEC held in Abu Dhabi, UAE. (4–7 November 2024).
United States Patent US 18807436, August 16, 2024.
Extended stabilization method for hydrolase enzymes with functional components for breaking biopolymer damage in underground reservoir and pipe release.
Indian Patent Application no. 202411025667. May 3, 2024.
Extended Stabilization Method For Hydrolase Enzymes With Functional Components For Breaking Biopolymer Damage In Underground Reservoir And Pipe Release.
Advanced Enzyme Systems
“Advanced Enzyme Systems for Various Oilfield Applications: Understanding Modified Enzyme Breaker Technologies through Case Studies”. Presented at the India Energy Week Technical Conference held in Bangalore, India, 6-8 February 2023.
GCC Patent GC0011982. November 28, 2022.
Stabilized acid precursor and acid-enzyme formulations for drilling mud cake removal.
Understanding Modified Enzyme Breaker Technologies through Case Studies
“Advanced Enzyme Systems for Various Oilfield Applications: Understanding Modified Enzyme Breaker Technologies through Case Studies” Presented at the 15th India Drilling & Exploration Conference held in Mumbai, India. (14-15 June 2022).
SPE-147863-MS
A Novel Enzyme Breaker for Mudcake Removal in High Temperature Horizontal and Multi-lateral Wells Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, Jakarta, Indonesia. (September 20–22, 2011)
Epygen Enzyme Technology At 2012 American Chemical Society Meet
Epygen presented its mathematical model, for kinetic predictability of biopolymer breaking enzyme (Paper No. 292) at the American Chemical Society, national meet, San Diego, Spring 2012.
ACS Omega
Development of Hybrid Drilling Fluid and Enzyme−Acid Precursor-Based Clean-Up Fluid for Wells Drilled with Calcium Carbonate-Based Drilling Fluids – ACS Omega, October 13, 2020.
Case Studies From Romania
“Successful Application of Advanced Enzyme Clean-up System in Perforated Completions to Revive Dead Wells: Case Studies From Romania”. Poster Presentation at the Egypt Petroleum Show held in Cairo, Egypt, 11-13 February 2020.
SPE-197887-MS
Towards a Zero-Skin Well Completion with Non-Damaging Non-Corrosive Enzymatic Wellbore Cleanup Fluids. This paper was prepared for presentation at the Abu Dhabi International Petroleum Exhibition & Conference held in Abu Dhabi, UAE. (11-14 November 2019).
US Patent no: US10767314B2. Aug 13, 2018.
Methods to reduce rewinder breaks during paper production from recycled paper furnish.
Epygen Presents Unique Enzymatic Technology At 2015 Asian Paper
At one of Asia’s leading Pulp and Paper technology shows held in Jakarta during April 2015, Jakarta, Indonesia
Indian Patent 257456. Oct 3, 2013.
Method for sucrose based thermal stabilization of enzymes for breaking of biopolymer damage in gas and oil wells.
United States Patent US 0231268 A1, Sept 5, 2013.
Stabilized Acid Precursor and Acid-Enzyme formulations for drilling mud cake removal.
Derivation of kinetic rate constant of enzyme-buffer mud cake clean up systems
“Derivation of kinetic rate constant of enzyme-buffer mud cake clean up systems – Laboratory investigation and verification in high temperature fractured carbonate reservoir.” Accepted for 2012 Society of Petroleum Engineers Abu Dhabi International Petroleum Exhibition & Conference held in Abu Dhabi, UAE, November 2012
SPE-161643-MS
Derivation of kinetic rate constant of enzyme-buffer mud cake clean up systems -Laboratory investigation and verification in high temperature fractured carbonate Reservoir”. This paper was prepared for presentation at the Abu Dhabi International Petroleum Exhibition & Conference held in Abu Dhabi, UAE. (11–14 November 2012)