Transcript Slide 1

The Oklahoma Corporation
Commission
GIS, Old Aerial Photos, and
Surface EM for the UIC and
Brownfields Programs
Charles Lord, UIC Manger
Oklahoma Corporation Commission
for
Jeff Myers, Brownfields
Electromagnetic Surveys
and Archival Photos
EM Surveys
• EM 31
– 17 feet
• EM 34
– 180 feet
• EM 38
– 7 feet
Archival Photos
• State Library
1937 – 1964
• USDA
Extension
Offices
• Brownfields /
UIC GIS Server
• Archival photos and EM surveys can be
used in conjunction with sample analysis
to determine sources of pollution
• 4 areas where they are most commonly
utilized
– Pollution from mud plugged wells
– Leaking pits
– Historic salt water spills
– Brownfields Sites
Contamination from
Mud Plugged Wells
Oak Forrest Circle
• Payne Co.
• Land owner/ developer
complaints
– Salty water wells
Oak Forrest Circle
2008 Aerial
1963 Aerial
Oak Forrest Circle Geoprobe
Oak Forrest Circle
• Pollution most
likely not from pits
• Next likely
candidate is the
State E #1
– Mud plugged SWD
LEAKING PITS
Bennet 1-23 – Major Co.
• Landowner complaint
– Dead spot on side of
pit
• Reserve pit to south &
frac pit to the east
Bennet 1-23
Archival Photo Research
1942 ARCHIVAL PHOTO
1995 ARCHIVAL PHOTO
Bennet 1-23 – EM 38 Results
Bennet 1-23 – EM 31 Results
May 1-27 Pit
Kingfisher Co
• Landowner complaint
– Dead spot to east of
location
• Pit to north of the
location
• May 1-27 completed
1981
May Pit – EM 38 Results
Mesa Pit – Major Co.
EM - 38
• Inspection Discovery
• GW flowing to N -NW
• Leaking from west
side of pit
Mesa Pit
Miller Water Well – Logan Co.
• Landowner complaint
of salty water well
Salt Water Spills
Boswell – EM 31
• Grady Co
• Landowner complaint
– Dead spot on property
Boswell – EM 31
• Outcome
– Discovered not a
casing leak as
previously thought
– Dead spot from years
of surface spills
– Cl moved downhill and
out the side of the hill
Brownfields
Roaring Fork Brownfields Site
Roaring Fork – EM 38
Roaring Fork – EM 31
Roaring Fork
Archival Photo Research
1951 ARCHIVAL PHOTO
1941 ARCHIVAL PHOTO
Roaring Fork Results
• Pits were causing Pollution
• 1951 Aerial indicates a time frame of
pollution, which released last operator as a
responsible party. This allows site to enter
Brownfields Program