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ARCHIVED REPORTS UIC PERMIT APP
Environmental Health - Public
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EHD Program Facility Records by Street Name
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THORNTON
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12751
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2900 - Site Mitigation Program
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PR0528038
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ARCHIVED REPORTS UIC PERMIT APP
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Last modified
9/26/2019 9:59:35 AM
Creation date
9/26/2019 9:22:35 AM
Metadata
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Template:
EHD - Public
ProgramCode
2900 - Site Mitigation Program
File Section
ARCHIVED REPORTS
FileName_PostFix
UIC PERMIT APP
RECORD_ID
PR0528038
PE
2950
FACILITY_ID
FA0018998
FACILITY_NAME
NCPA LODI ENERGY CENTER
STREET_NUMBER
12751
Direction
N
STREET_NAME
THORNTON
STREET_TYPE
RD
City
LODI
Zip
95242
APN
05513016
CURRENT_STATUS
01
SITE_LOCATION
12751 N THORNTON RD
P_LOCATION
02
P_DISTRICT
004
QC Status
Approved
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EHD - Public
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water containing three percent potassium chloride. The return water was filtered through five- <br /> micron cartridge filters before being recirculated. At depths below 4,220 ft, HEC polymer was <br /> added to build viscosity and maintain circulation. Sand was cleaned out to the top of the float <br /> collar at 4,599 ft and a high-viscosity pill of water with HEC polymer was spotted to stabilize <br /> the sand. On June 5, before running the wire-wrapped screen liner, it was found that 107 ft of <br /> sand had collected in the wellbore. The sand was circulated out, and another high-viscosity <br /> polymer pill containing an enzyme breaker was spotted in the 5-in. liner. <br /> The wire-wrapped screen liner assembly was then made up and run in the well. It <br /> stopped 32 ft high, indicating that some sand fill had again accumulated in the well. The liner <br /> was set at this point, placing the bottom of the screen section at 4,567 ft and the top of the liner <br /> hanger/packer at 4,155 ft. The bottom six feet of perforations in the 5-in. liner were left <br /> covered with sand. This minor loss of injection interval did not justify pulling the wire-wrapped <br /> screen liner assembly and cleaning out sand fill again. <br /> The annular space between the 5-in. liner and the wire-wrapped screen liner was then <br /> gravel-packed with 12-20 mesh sand using a clear HEC polymer fluid with enzyme breaker to <br /> place the sand. The placement was done under pressure to force the 12-20 mesh sand out <br /> through the perforations. Initially, the liner was packed with 28 cu ft of sand, which constituted <br /> an excess of 26 percent over the annular volume inside the 5-in. liner. The well was then <br /> allowed to stand over night to give the gravel pack a chance to settle, and an additional four <br /> cubic feet of 12-20 mesh sand was pumped in. This completed the gravel packing job, and the <br /> well was ready for injection testing. <br /> Mesquite Group, Inc. -17 <br />
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