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Table 3 Fluid speed in annulus (see events marked in Fig. 5)

From: Monitoring of a reverse cement job in a high-temperature geothermal environment

Event

Depth start (m)

Depth bottom (m)

Time start (s)

Time end (s)

Velocity (m/s)

Comment

A

0

829

320

690

2.25

Water

B

0

829

1850

2305

1.83

 

C

300

829

10405

10450

11.84

Cement

D

0

829

12720

12800

10.41

 

E

0

700

14700

14770

10

 

F

0

700

15760

15820

11.66

 
  1. Displayed times relative to 22:00 of September 5th