Beauheim 1987 - Waste Isolation Pilot Plant - U.S. Department of ...
Beauheim 1987 - Waste Isolation Pilot Plant - U.S. Department of ...
Beauheim 1987 - Waste Isolation Pilot Plant - U.S. Department of ...
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3418.96 n<br />
7.875-inch<br />
REAMED BOREHOLE -<br />
TRAILER<br />
2.375-inch TUBING<br />
ANNULUS TRANSDUCER<br />
DRUCK PDCR IOlD<br />
TEST-INTERVAL TRANSDUCER<br />
DRUCK PDCR 101D<br />
BASK1 PACKER<br />
The depth discrepancy may be due to one <strong>of</strong> the two<br />
surveys having incorrectly "zeroed" a depth counter.<br />
Inasmuch as the 1985 survey and the subsequent<br />
perforation were run using the same depth counter<br />
and the same datum, the correct interval was<br />
probably perforated, whatever its true absolute<br />
depth. From June 11 to 17, 1986, WIPP-22 was<br />
developed by pumping and surging (Saulnier et al.,<br />
<strong>1987</strong>). For slug testing, a PIP was temporarily set in<br />
the well casing from 738.1 to 742.5 ft on 2.375-inch<br />
tubing. The configuration <strong>of</strong> the well at the time <strong>of</strong><br />
testing is shown in Figure 3-16.<br />
2.375-Inch TUBING<br />
5.5-inch. 15.5 Ib/n<br />
WELL CASING<br />
NNULUS TRANSDUCER<br />
RUCK PDCR lOlD<br />
TEST-INTERVAL TRANSDUCER<br />
DRUCK PDCR 10fD<br />
ALL DEPTHS BELOW GROUND SURFACE<br />
NOT TO SCALE<br />
7.875-inch<br />
REAMED BOREHOLE<br />
BASK1 PACKER<br />
Figure 3-1 5. Well Configuration for WIPP-21 Slug Test<br />
3.14 WIPP-22<br />
WIPP-22 was drilled as part <strong>of</strong> the same program as<br />
WIPP-18, WIPP-19, and WIPP-21 in 1978 (Sandia and<br />
USGS, 1980d). The hole was drilled to a total depth<br />
<strong>of</strong> 1448 ft, 565 ft into the Salado Formation. WIPP-22<br />
was then abandoned in an open-hole condition filled<br />
with brine mud until October 1985, when the hole<br />
was recompleted to serve as a Culebra observation<br />
well. The borehole was reamed to a diameter <strong>of</strong><br />
7.875 inches, and 5.5-inch casing was installed and<br />
cemented from the surface to a depth <strong>of</strong> 949.8 ft.<br />
The Culebra interval was then shot-perforated from<br />
748 to 770 ft deep, based on gamma-ray logging<br />
performed to locate the Culebra. Sandia and USGS<br />
(1980d) report the Culebra 6 ft higher, from 742 to<br />
764 ft deep. The source <strong>of</strong> the 6-ft discrepancy<br />
between the 1978 and 1985 surveys is unknown.<br />
ALL DEPTHS BELOW GROUND SURFACE<br />
NOT TO SCALE<br />
Figure 3-16. Well Configuration for WIPP-22 Slug Test<br />
3.15 WIPP-30<br />
Well WIPPBO was drilled in September 1978 as one<br />
<strong>of</strong> six wells drilled to evaluate dissolution <strong>of</strong> nearsurface<br />
rocks in and adjacent to Nash Draw (Sandia<br />
and USGS, 1980). WIPP-30 was cored and reamed to<br />
30