|
id
INTEGER
|
171862 |
|
iadc_material_id
INTEGER
|
19433 → iadc_discovered_materials |
|
spec_type
VARCHAR
|
specification |
|
key
VARCHAR
|
spec_2 |
|
value
TEXT
|
rate of penetration mode |
|
key_normalized
VARCHAR
|
spec_2 |
|
value_normalized
VARCHAR
|
rate of penetration mode |
|
value_numeric
DOUBLE_PRECISION
|
null |
|
unit
VARCHAR
|
null |
|
created_at
TIMESTAMP
|
2026-10-05T13:11:12.121135 |
|
source_page
INTEGER
|
null |
|
source_context
TEXT
|
rate of penetration mode |