Final report for SNL/NM environmental drilling project Page: 60 of 109
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1000 - Drilling again - almost lost the signal wire down the string.
1102- Hit some hard drilling at -195' and MSL of 319', 37' deep.
1153 - Hard drilling again at -215' and 36.6' deep.
1235 - Drilling still tough, all drilling done with water pump on.
1248 - Tripping out - the drill bit water outlet may be plugged. Rod length 230', 319.6' MSL.
1438 - Trip out complete, filling the hole with water.
1458 - Jet mostly plugged, carbides good.
1530 - Starting back in, will take data every 10'.
1555 - A wire splice came loose, tripping from 30'.
1615 - Lightning shut down operations off and on until 1700 hrs. Decided to pull out from 30' and
calibrate the survey tool. The survey tool reads ~333* in the ground and 3380 on the
surface, this could cause a -55' error in exit location.
1731 - Checked out the survey tool on the surface at 0* and 1800, the average heading was 3380; on
the drill string it varies 3300 to 335*. This survey tool (SNL) agrees with the heading
obtained when using CMW's unit. It would appear that we are drilling at ~332* and should
be at 3380. Tomorrow we will survey the bore using the Subsite locating system and Jet Trac
rod to provide an indication of the actual heading.
6/20/92 Sat.
0730 - Started to check out the bore heading using the Subsite locating system, while this was going
on we ran another calibration of the inclinometer.
Inc. Survey Tool Inc. Survey Tool
0 +0.2 0 0.0-1
-2
-3
-4
-6
-8
-10
-12
-14
-16
-18
-20-1.0
-2.3
-3.5
-4.7
-7.0
-9.5
-11.8
-14.3
-16.7
-19.2
-21.6
-24.01
2
3
4
6
8
10
12
14
16
18
20+1.0
+2.1
+3.1
+4.5
+6.9
+9.3
+11.6
+13.9
+16.4
+18.8
+21.1
+23.6Hysteresis ~0.1*
Ran the Subsite locating system in the hole to check the heading and depth calculations.
h Depth
31' 9'4" The line established was about 1 ft.
35' 10'8" west and parallel to a tape stretched
39' 13'5" between the drill and the 200' stake.
43' 14'11"
47' 15'11"
51' 18'1"
55' 17'9"
? 20'5"
? 22'5"
63.5' >22'A-5
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Wemple, R. P.; Meyer, R. D.; Staller, G. E. & Layne, R. R. Final report for SNL/NM environmental drilling project, report, November 1, 1994; Albuquerque, New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc1280825/m1/60/: accessed July 18, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.