Polymer reduces channeling, ups waterflood oil recovery

Journal Article · Fri Dec 01 00:00:00 EST 1978 · World Oil; (United States)

OSTI ID:7039047

Ott, W K; Sinclair, B C

Tinsley field, Yazoo County, Mississippi, is a multi-zone field with the late cretaceous woodruff sand being the most prolific producer. Faulting and a west side pinchout effectivley divide the field into 3 distinct segments: north, west, and east. Production from the woodruff sand in the west segment was by solution gas drive in the north and a partial water drive in the south. Water drive is very efficient with movement being a few hundred feet per year. However, north wells decreased to low production rates requiring the field to be unitized and secondary recovery by waterflood initiated. Rapid breakthrough in the north portion indicated a very low sweep efficiency. A monomer that polymerizes into a highly viscous liquid in existing water channels is helping Pennzoil Producing Co. solve a poor sweep efficiency problem. Following a severe water breakthrough in a waterflood in Yazoo County, Mississippi, a pilot project substantially improved oil production without an increase in water production. Substantial increases in production from the 3 producing wells affected by the monomer treated injection well are leading to monomer use in other parts of the field.

• OSTI ID: 7039047
• Journal Information: World Oil; (United States), Vol. 187:7
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
MISSISSIPPI
OIL WELLS
PETROLEUM DEPOSITS
WATERFLOODING
GEOLOGY
ADDITIVES
ENHANCED RECOVERY
INJECTION WELLS
MONOMERS
OIL FIELDS
PRODUCTION
WELL STIMULATION
FEDERAL REGION IV
FLUID INJECTION
GEOLOGIC DEPOSITS
MINERAL RESOURCES
NORTH AMERICA
RECOVERY
RESOURCES
STIMULATION
USA
WELLS
020300* - Petroleum- Drilling & Production
020200 - Petroleum- Reserves
Geology
& Exploration