Safety 1st Advancer Instrukcja Operatora Strona 100

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Environmental Remediation Drilling
Safety Guideline
Page 100 of 132
5.10.1 - Potential Hazards of Well Development
Pinch points
Tool lengths
Moving cables
Contaminated fluids
Acids and polyphosphates
Electricity
Noise
Pressurized lines
5.11 - Surface Completion
Prior to well surface completion the following should be considered:
Type of completion - flush mount, above grade, locking
Bollard location and clearances
5.11.1 - Potential Hazards of Surface Completion:
Traffic control
Mixing concrete
Heavy vaults and boxes
Striking underground utilities
Vault settlement - trip hazard, surface water intrusion
5.12 - Abandoning Wells
Prior to well abandonment the following should be considered:
Rig mobilization and rig up - from Section 4 – Drilling Operations
Method
o Over drill
o Abandon in place
5.12.1 - Potential Hazards of Over Drill
All previous sections of the guideline apply.
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