24 Hour pumping test of production well 905-120P Page: 6 of 21
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previous terminology. Aquifer Unit IB includes sandy sediments
found generally within the upper 1/3 of the Black Creek and the
overlying Peedee Formations. This unit corresponds generally to the
"upper Tuscaloosa" in previous terminology. The hydrostratigraphy
associated with the P-24 cluster, which consists of eight individual
wells completed within the different aquifer units, is presented on
Figure 3.
Since characteristically each Aquifer or Confining Unit consists of a
multilayered sequence of sediments with relatively higher or lower
water transmitting properties, these units may be further divided
into aquifer or confining zones, as appropriate. For this analysis,
Aquifer Unit IA has been divided into three zones; aquifer zone
IA1 and aquifer zone IA2 separated by confining zone IA1-IA2,
Figure 4.
TEST PROCEDURES
Production Well 905-120P is located in P-Area approximately 584
feet from SRS Baseline well cluster P-24, Figure 1. The production
well was drilled to a total depth of 1007 ft below ground surface
and 50 feet of 6-inch diameter No. 50 slot screen was set from 930
to 980 feet below ground surface. The well was gravel packed from
730 ft to the total depth of 1007 feet. Figure 4 shows the general
relationship of Well 905-120P to the overall hydrostratigraphy and
to the two observation wells (P-24TA and P-24TB) completed within
the same Aquifer Unit (Aquifer Unit IA). Additionally, Figure 4
shows the subdivision of Aquifer Unit IA into the three zones
mentioned above. Wells 905-120P and P-24TA are both screened in
aquifer zone IAj, while observation well P-24TB is completed in
aquifer zone IA2. The two observation wells are separated by
confining zone IA1-IA2.
Pressure transducers were placed in each of the observation wells
screened in Aquifer System I (P-24TA, P-24TB, P-24TC, ands P-
24TD). Wells P-24TC and P-24TD did not respond to pumping of
905-120P; however, these wells show some response to other
supply wells (905-93P) in P-Area that are completed higher in the
section in Aquifer Unit IB.
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Bledsoe, H. W. 24 Hour pumping test of production well 905-120P, report, December 1, 1990; Aiken, South Carolina. (https://digital.library.unt.edu/ark:/67531/metadc1311402/m1/6/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.