+441518081136Appraisal of key operational parameters in a large-scale steam flood pilots in Kuwait Heavy Oil field
2nd International Conference and Expo on Oil & Gas
December 02-03, 2019 | Dubai, UAE
Yacob Alali, Abdullah Al-Rabah and Chonghui Shen
Kuwait Oil Company KOC, Kuwait Shell Oil, Kuwait
Posters & Accepted Abstracts : J Ind Environ Chem
DOI: 10.35841/2591-7331-C3-015
Abstract:
The first phase of development of the viscous oil resources
of Kuwait is planned to be delivered through cyclic steam
and steam flood technology. The objective of this study is to
evaluate the impact of steam flood operational parameters
(steam pressure, injection rates, steam quality) on the
recovery performance, aiming to maximize oil recovery whilst
lowering operating cost.
Based on a dynamic simulation model, which was calibrated
with field data of the pilots, a study using a sensitivity analysis
tool was conducted to evaluate steam flood operational
parameters for two adjacent steam flood pilots. The model
covers multiple pilots with different well spacing and
depletion intervals in a common area, so that the effects of
interference can be included and evaluated. An objective
function of Cumulative Net Oil (CNO) has been used to
evaluate the impact of various key operational parameters on
the pilot performance.
Based on different sets of study cases conducted from the
sensitivity analysis, it was observed that the producer bottom
hole pressure is key parameter to optimize the Cumulative Net
Oil (CNO) in the steam flood operation. From this study, the
pilots steam flood performance (CNO) could be potentially
improved from the pre-steam flood forecast base case by
changing the setting of the injection rate, producer bottom
hole pressure, injection bottom hole pressure and steam
decline rate. In this study, the values of the CNO improved
about 40% for 10-acre pattern and 36% for 5-acre pattern,
respectively.
The study summarizes how the sensitivity analysis can be
used to evaluate the impact of key operational parameters in
a steam flood operation and to help the decision making for
current and future thermal commercial projects.
Biography:
E-mail:
yfali@kockw.comPDF HTML