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Beauheim 1987 - Waste Isolation Pilot Plant - U.S. Department of ...

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2.375-inch TUBING<br />

4.5-inch. 9.5 IblH<br />

WELL CASING<br />

ANNULUS TRANSDU<br />

DRUCK PDCR lOlD<br />

BASK1 PACKER<br />

TEST-INTERVAL TRANSDUCER<br />

DRUCK PDCR lOlD<br />

/<br />

- 347.73 n<br />

-BASK1 1.5-inch PACKER<br />

- m.37 n<br />

I<br />

i- WS.(IZ n<br />

L- 393.91 it<br />

4.5-inch. 9.5 lbln<br />

WELL CASING<br />

7.875-inch<br />

REAMED BOREHOLE<br />

2.37Cinch TUBING<br />

ANNULUS TRANSDUCER<br />

DRUCK PDCR 10ID<br />

TEST-INTERVAL TRANSDUCER<br />

DRUCK PDCR IOID<br />

7.875-inch<br />

REAMED BOREHOLE<br />

BASK1 PACKER<br />

ASING PERFORATIONS<br />

CASING PERFORATIONS<br />

CULL<br />

BRIDGE PLUG<br />

ALL DEPTHS BELOW GROUND SURFACE<br />

J<br />

BRIDGEPLUG<br />

NOT TO SCALE<br />

ALL DEPTHS BELOW GROUND SURFACE<br />

NOT TO SCALE<br />

Figure 3-19. Well Configuration for P-17 Slug Tests<br />

Figure 3-18. Well Configuration for P-15 Slug Tests<br />

Formation. Casing (4.5-inch diameter) was then set<br />

and cemented from 741 ft to the surface, and the<br />

hole was deepened at a 4-inch diameter to a total<br />

depth <strong>of</strong> 1660 ft. After coring was completed, the<br />

hole was plugged back to a depth <strong>of</strong> 731 ft with<br />

cement. In January and April 1977, two sections <strong>of</strong><br />

the casing were perforated: the Rustler/Salado<br />

contact zone between 702 and 726 ft; and the<br />

interval from 558 to 586 ft, which includes the entire<br />

Culebra from 558 to 583 ft (Mercer and Orr, 1979). A<br />

PIP was set in the casing at 683 ft on 2.375-inch<br />

tubing to allow monitoring <strong>of</strong> Rustler/Salado and<br />

Culebra water levels. In March 1983, the PIP was<br />

replaced with a retrievable bridge plug set from 674<br />

to 679 ft. For testing in 1986, a PIP was temporarily<br />

set in the casing from 532.3 to 536.6 ft deep on<br />

2.375-inch tubing. The configuration <strong>of</strong> the well at<br />

the time <strong>of</strong> testing is shown in Figure 3-19.<br />

3.18 P-18<br />

Well P-18 was drilled in October and November 1976<br />

as part <strong>of</strong> the potash-resource evaluation program at<br />

the proposed WlPP site (Jones, 1978). The hole was<br />

drilled and reamed to a depth <strong>of</strong> 1139 ft at a diameter<br />

<strong>of</strong> 7.875 inches, and 4.5-inch casing was cemented<br />

from 1138 ft to the surface. The hole was then drilled<br />

and cored at a 4-inch diameter to a depth <strong>of</strong> 1998 ft,<br />

and plugged back to 1125 ft with cement. In January<br />

and April 1977, two sections <strong>of</strong> the casing were<br />

perforated: the RustlerlSalado contact zone between<br />

1076 and 1100 ft; and the interval from 912 to 940 ft,<br />

which includes most <strong>of</strong> the Culebra which lies<br />

between 909 and 938 ft (Mercer and Orr, 1979). In<br />

May 1977, a PIP was set on 2.375-inch tubing at a<br />

depth <strong>of</strong> 1061 ft to allow monitoring <strong>of</strong> Rustler/Salado<br />

and Culebra water levels. In early 1983, the PIP was<br />

removed and a bridge plug was set from 997 to<br />

32

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