10:20
Dr. Ian Gray talks about rock stress measurement
01:29
Core Ovality Test
01:13:20
Directional Drilling for Tunnel Investigation 20210311 0800 1
17:45
11 - ΠΠ°ΠΏΡΠ°Π²Π»Π΅Π½Π½ΠΎΠ΅ Π±ΡΡΠ΅Π½ΠΈΠ΅ Π² ΠΈΠ½ΠΆΠ΅Π½Π΅ΡΠ½ΡΡ
ΠΈΠ·ΡΡΠΊΠ°Π½ΠΈΡΡ
ΠΏΡΠΈ ΠΏΡΠΎΠ΅ΠΊΡΠΈΡΠΎΠ²Π°Π½ΠΈΠΈ ΡΡΠ½Π½Π΅Π»Π΅ΠΉ (Directional Drilling)
03:13
10 - ΠΠ·ΠΌΠ΅ΡΠ΅Π½ΠΈΠ΅ Π½Π°ΠΏΡΡΠΆΠ΅Π½ΠΈΠΉ Π² Π³ΠΎΡΠ½ΠΎΠΌ ΠΌΠ°ΡΡΠΈΠ²Π΅ (Insitu testing)
03:22
9 - ΠΠ·ΠΌΠ΅ΡΠ΅Π½ΠΈΡ Π² ΡΠΊΠ²Π°ΠΆΠΈΠ½Π°Ρ
, Π³Π΅ΡΠΌΠ΅ΡΠΈΠ·ΠΈΡΠΎΠ²Π°Π½Π½ΡΡ
ΡΠ΅ΠΌΠ΅Π½ΡΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ (Cement Displacement)
07:32
8 - ΠΡΠΈΠΌΠ΅ΡΡ ΡΠ°Π±ΠΎΡ, Π²ΡΠΏΠΎΠ»Π½Π΅Π½Π½ΡΡ
Sigra (Examples of Sigra's work)
01:13
7 - ΠΠ±ΠΎΡΡΠ΄ΠΎΠ²Π°Π½ΠΈΠ΅ (Equipment)
06:52
6 - ΠΠ°Π·Ρ Π² ΠΏΠΎΡΠΎΠ΄Π½ΠΎΠΌ ΠΌΠ°ΡΡΠΈΠ²Π΅ ΠΈ ΡΠ³Π»Π΅ (Gases in Rock & Coal)
01:45
5 - ΠΠΎΠ½ΠΈΡΠΎΡΠΈΠ½Π³ Π΄Π°Π²Π»Π΅Π½ΠΈΡ ΡΠ»ΡΠΈΠ΄ΠΎΠ² (Fluid Pressure Monitoring)
02:43
4 - ΠΠΎΠ΄Π·Π΅ΠΌΠ½ΡΠ΅ ΡΠ»ΡΠΈΠ΄Ρ (Ground Fluid)
06:50
3 - Π‘Π²ΠΎΠΉΡΡΠ²Π° ΠΏΠΎΡΠΎΠ΄ (Rock Properties)
11:42
2 - ΠΠ·ΠΌΠ΅ΡΠ΅Π½ΠΈΠ΅ Π½Π°ΠΏΡΡΠΆΠ΅Π½ΠΈΠΉ Π² Π³ΠΎΡΠ½ΠΎΠΌ ΠΌΠ°ΡΡΠΈΠ²Π΅ (Rock Stress Measurement)
03:44
1 - ΠΡΠ΅Π΄ΠΈΡΠ»ΠΎΠ²ΠΈΠ΅ (Introduction)
15:43
Directional Drilling for Tunnel Investigation
07:32
8 - Examples of Sigra's work
01:13
7 - Equipment
06:52
6 - Gases in Rock and Coal
01:45
5 - Fluid Pressure Monitoring
02:42
4 - Ground Fluids
06:50
3 - Rock Properties
11:42
2 - Rock Stress Measurement
03:07
1 - Introduction
03:21
Piezometer Installation with Cement Displacement
03:23
Cement Displacement Technology HD
06:37
Gas Content Without Coring
03:13
In-situ Stress Testing (IST) by Overcoring
02:08
Cyclonic Gas Liquid Separator
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About
We invent solutions for Coal Mining, Coal seam gas (CBM), Metalliferous mining, Shale Gas, Civil Geotechnical Engineering, Reservoir Engineering, Petroleum Engineering, Groundwater
Description
Sigra is a privately owned company founded in 1994. It is based in Brisbane, Australia, and operates globally.
We have an extensive skill base of engineers, geologists, scientists, mathematicians and technicians. This talented group uses sophisticated equipment to gather raw data from the field and laboratory and to process it right through to detailed analysis, modelling and design.
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