Page 69 - Enhanced Oil Recovery in Shale and Tight Reservoirs

Evans, Evans, 2016 Evans, 2016 2018 2018

and and Sorensen Hamling, and and al., et 2018 2018 2018 2018 2018 2018 2018 al., et
References Hoffman 2016 Hoffman 2016; and Hoffman 2016 Sorensen Hamling, Orozco Hoffman, Hoffman, Hoffman, Hoffman, Hoffman, Hoffman, Hoffman, Sorensen

at in injection, oil oil

oil breakthrough breakthrough away breakthrough of increased in for months increased 17% years 20% years doubled preferentially light
Performance no or Little increase Gas Gas ft 900 Gas days 11 rate oil increase 20% recovery 114 (predicted) rate Oil increased Oil 1.5 after increased Oil 2.5 after rate Oil CO 2 produced

below below below
and psi psi pressure pressure pressure psi
rate MMSCF/d, 2000e3000 MMSCF/d, 2000e3000 MMSCF/d, psi MMscf/d, MMscf/d, MMscf/d, gallos/min., 9400-9470
Injection pressure 1.5e2 2e3 6000 fracture 2.5 fracture 2.5 fracture 16-12

1 1 1 1 1 4 6 42e4 1 1
32 (?)
minutes
Wells
# 45

injection. Puff, days 100 60e90, 60 14.6

gas Soak, days 64 20 0 28e42
huff-n-puff days 20e30 28e42 56e70,

for Huff, 30 45 11 100 3.2
projects Gas Methane gas gas? gas? gas? gas gas gas?

field Inj. CO 2 CO 2 CO 2 CO 2 lean lean lean lean rich rich lean CO 2

of shale ND MT ND field, ND TX TX TX TX TX TX TX TX Bakken
Summary or Coulee, Bakken, well, Bakken, Bakken, Farshall Bakken, Ford, Ford, Gonzales, Ford, Gonzales, Ford, Gonzales, Ford, Salle, Ford, Atascosa, Ford, Atascosa, Ford, Gonzales,

2.4 Field Elm 36-1H Eagle Eagle Eagle Eagle Eagle la Eagle Eagle Eagle Middle
Table Start year 2008 2009 2014 2008 2012 2015 2015 2015 2015 2015 2016 2017