Table T17.

Table T17. Differences between depths to seismic horizons and corrected depths.

Site 1127
Site 1129
Site 1131

Seismic horizons Predicted
intersection
(mbsf) ITT
corrected
depth
(mbsf) Difference
(m)
Predicted
intersection
(mbsf) Check-shot
corrected
depth
(mbsf) Difference
(m)
Predicted
intersection
(mbsf) Check-shot
corrected
depth
(mbsf) Difference
(m)

Sequence 2, Horizon A
228
242
+14

133
143
+10

134
149
+15

Sequence 2, Horizon B
362
380
+18

271
283
+12

333
345
+12

Sequence 2, Horizon C
410
432
+22

403
410
+7

471
483
+12

Base of Sequence 2
452
476
+24

510
517
+7

521
529
+8

Base of Sequence 3
558

605

576
585
+9

	Site 1127		Site 1129	Site 1131
Seismic horizons	Predicted intersection (mbsf)	ITT corrected depth (mbsf)	Difference (m)	Predicted intersection (mbsf)	Check-shot corrected depth (mbsf)	Difference (m)	Predicted intersection (mbsf)	Check-shot corrected depth (mbsf)	Difference (m)
Sequence 2, Horizon A	228	242	+14	133	143	+10	134	149	+15
Sequence 2, Horizon B	362	380	+18	271	283	+12	333	345	+12
Sequence 2, Horizon C	410	432	+22	403	410	+7	471	483	+12
Base of Sequence 2	452	476	+24	510	517	+7	521	529	+8
Base of Sequence 3	558			605			576	585	+9

Notes: Predicted intersection depths were derived using high-resolution site-survey seismic data stacking velocities. Corrected depths were based on check-shot data and interval transit-time (ITT) data.