Safety 1st Advancer Manual del operador descargar pdf (Pagina 100)

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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Safety 1st Advancer Manual del operador Pagina 100