Ting Huang
Senior Petroleum Engineer
PetroChina Changqing Oilfield Company
China
Ting Huang is a Senior Petroleum Engineer with extensive experience in the oil and gas industry. She holds a M.Sc. in Petroleum Engineering. Moreover, she has worked with unconventional resources in PetroChina for over 10 years. She is proficient in hydraulic refracturing designs with a strong background in enhanced oil recovery.
Participates in
TECHNICAL PROGRAMME | Primary Energy Supply
Opportunities for Oil & Gas Supply Growth - Shales, Oil Sands, New Basins Other Unconventionals
Forum 02 | Hall 10 - Technical Programme 1
13
October
09:30
11:00
UTC+3
Mature oilfields, which contribute significantly to global production, often face challenges such as production decline, low recovery efficiency, and complex wellbore issues. This study presents integrated technical strategies developed and deployed in the Ordos Basin, China, aimed at enhancing recovery and stabilizing production in mature low-permeability oilfields.
The approach is structured around three main strategies. The first involves improving water flooding management through advanced technologies such as coded communication injection systems and self-adaptive conformance control agents, which help improve sweep efficiency and enhance injection profile conformance. The second strategy focuses on managing low-production and inactive wells. This is achieved through targeted methods like CO2-assisted re-fracturing, wide-fracture re-fracturing, and integrated well group stimulation to revive inactive wells and boost production. The third strategy involves the implementation of Enhanced Oil Recovery (EOR) techniques. These include gravity-assisted CO2 flooding, microfoam flooding, and quantum dot displacement agents, all aimed at improving recovery in low-permeability reservoirs.
Field results demonstrate significant improvements, including an increase in injection allocation qualification rates of more than 82 percent, a reduction in the natural decline rate, and significant incremental oil production from various stimulation and EOR methods. These technologies contributed to improved sweep efficiency, effective carbon utilization, and higher recovery factors.
This integrated technical system has proven effective in extending the productive life and maximizing recovery from mature, low-permeability oilfields like those in the Ordos Basin. The findings offer valuable insights for similar oil assets globally, providing a scalable and effective strategy for sustainable production and enhanced recovery.
The approach is structured around three main strategies. The first involves improving water flooding management through advanced technologies such as coded communication injection systems and self-adaptive conformance control agents, which help improve sweep efficiency and enhance injection profile conformance. The second strategy focuses on managing low-production and inactive wells. This is achieved through targeted methods like CO2-assisted re-fracturing, wide-fracture re-fracturing, and integrated well group stimulation to revive inactive wells and boost production. The third strategy involves the implementation of Enhanced Oil Recovery (EOR) techniques. These include gravity-assisted CO2 flooding, microfoam flooding, and quantum dot displacement agents, all aimed at improving recovery in low-permeability reservoirs.
Field results demonstrate significant improvements, including an increase in injection allocation qualification rates of more than 82 percent, a reduction in the natural decline rate, and significant incremental oil production from various stimulation and EOR methods. These technologies contributed to improved sweep efficiency, effective carbon utilization, and higher recovery factors.
This integrated technical system has proven effective in extending the productive life and maximizing recovery from mature, low-permeability oilfields like those in the Ordos Basin. The findings offer valuable insights for similar oil assets globally, providing a scalable and effective strategy for sustainable production and enhanced recovery.
