Forage et complétion de puits

Walkways

Passerelles dans le forage et l'achèvement de puits : Sécurité et efficacité sur le plancher du derrick

Dans le monde exigeant du forage et de l'achèvement de puits, la sécurité est primordiale. Le plancher du derrick, un environnement complexe et souvent dangereux, nécessite une planification et une exécution minutieuses pour minimiser les risques. Un élément crucial pour garantir la sécurité des travailleurs et l'efficacité opérationnelle est la mise en place de **passerelles**.

**Que sont les passerelles ?**

Les passerelles, dans le contexte du forage et de l'achèvement de puits, sont des zones désignées aménagées pour le déplacement du personnel, spécifiquement conçues pour :

  • **Offrir un passage sécurisé :** En proposant un chemin dédié, les passerelles empêchent le personnel de traverser des zones potentiellement dangereuses comme les équipements de forage ou les fosses ouvertes.
  • **Minimiser les risques de trébuchement :** La surface dégagée et de niveau d'une passerelle réduit le risque de trébucher sur des outils, des équipements ou un terrain inégal.
  • **Améliorer la visibilité :** Les passerelles incluent souvent des mains courantes et des barrières, ce qui augmente la visibilité et évite les chutes accidentelles.
  • **Promouvoir un flux de travail efficace :** Les chemins dédiés rationalisent les déplacements et réduisent la congestion, permettant aux travailleurs de naviguer rapidement et en toute sécurité sur le plancher du derrick.

**Types de passerelles**

En fonction de la configuration et de l'opération spécifiques du derrick, différents types de passerelles sont utilisés. Ceux-ci incluent :

  • **Passerelles principales :** Ce sont les principaux chemins autour du derrick, reliant les différents postes de travail et permettant d'accéder à la plateforme de forage. Elles sont généralement plus larges et plus robustes, supportant un trafic important.
  • **Passerelles secondaires :** Ces chemins plus petits relient les zones de travail individuelles ou permettent d'accéder à des équipements spécifiques. Elles peuvent être plus étroites et moins élaborées que les passerelles principales.
  • **Passerelles surélevées :** Utilisées pour accéder à des équipements ou des plateformes à des niveaux plus élevés, ces passerelles offrent un itinéraire sûr et accessible vers les zones de travail en hauteur. Elles intègrent généralement des garde-corps et des dispositifs de sécurité pour éviter les chutes.

**Considérations de sécurité :**

Les passerelles jouent un rôle essentiel dans la garantie de la sécurité des travailleurs sur le plancher du derrick. Voici quelques considérations cruciales :

  • **Inspection régulière :** Les passerelles doivent être inspectées régulièrement pour détecter les dommages, l'usure et les dangers potentiels.
  • **Maintenance :** Des réparations rapides sont essentielles pour maintenir l'intégrité et la sécurité des passerelles.
  • **Éclairage :** Un éclairage adéquat est crucial pour une navigation sécurisée, surtout la nuit ou dans des conditions de faible luminosité.
  • **Mains courantes et barrières :** Ces dispositifs de sécurité doivent être régulièrement vérifiés pour les dommages et maintenus dans un état sûr et utilisable.
  • **Chemins sans obstruction :** Les passerelles doivent être maintenues libres d'obstacles et de débris pour assurer un passage sûr.

**Conclusion**

Les passerelles font partie intégrante de la sécurité et de l'efficacité sur le plancher du derrick. En offrant un passage sécurisé, en minimisant les dangers et en rationalisant les flux de travail, elles jouent un rôle essentiel pour minimiser les risques et garantir une opération fluide et productive. La mise en place de systèmes de passerelles robustes, associée à des pratiques d'inspection et de maintenance rigoureuses, est cruciale pour la sécurité et le bien-être du personnel travaillant sur le derrick.

Test Your Knowledge

Walkways Quiz

Instructions: Choose the best answer for each question.

1. What is the primary purpose of walkways in drilling and well completion?

a) To provide a scenic view of the rig floor. b) To store tools and equipment efficiently. c) To ensure safe passage for personnel. d) To add aesthetic appeal to the rig.

Answer

c) To ensure safe passage for personnel.

2. Which type of walkway is typically wider and more robust, supporting heavy traffic?

a) Secondary walkways. b) Elevated walkways. c) Primary walkways. d) Temporary walkways.

Answer

c) Primary walkways.

3. What is NOT a safety consideration regarding walkways?

a) Regular inspection for damage. b) Prompt repairs when necessary. c) Using walkways as storage areas for equipment. d) Adequate lighting for safe navigation.

Answer

c) Using walkways as storage areas for equipment.

4. What is the importance of handrails and barriers on walkways?

a) To add decorative elements to the rig floor. b) To enhance visibility and prevent falls. c) To facilitate communication between workers. d) To provide shade from sunlight.

Answer

b) To enhance visibility and prevent falls.

5. How do walkways contribute to efficient workflow on the rig floor?

a) By providing a designated path for personnel movement. b) By allowing workers to take breaks in designated areas. c) By facilitating the transportation of heavy equipment. d) By encouraging social interaction among workers.

Answer

a) By providing a designated path for personnel movement.

Walkways Exercise

Scenario: You are the safety supervisor on a drilling rig. During a routine inspection, you notice a section of the primary walkway with loose planks and a missing handrail.

Task:

  1. Outline the immediate actions you would take to address this situation.
  2. Describe the potential hazards associated with the damaged walkway.
  3. Explain the steps you would take to prevent similar incidents in the future.

Exercise Correction

**Immediate Actions:** 1. **Isolate the damaged area:** Immediately cordon off the affected section of the walkway with caution tape or other appropriate barriers to prevent personnel from accessing it. 2. **Notify relevant personnel:** Inform the drilling supervisor, rig manager, and any other responsible parties about the hazard. 3. **Assess the severity:** Determine the extent of the damage and the risk it poses to personnel. If the damage is significant, consider suspending operations in the affected area. **Potential Hazards:** 1. **Tripping and falling:** Loose planks create a tripping hazard, leading to potential falls and injuries. 2. **Falling from height:** The missing handrail increases the risk of workers falling from the walkway, especially when navigating the area in challenging conditions. 3. **Damage to equipment:** Workers trying to navigate the damaged walkway could accidentally collide with nearby equipment, causing damage or injury. **Preventing Future Incidents:** 1. **Implement a comprehensive walkway inspection program:** Establish a regular inspection schedule to identify potential hazards before they become serious problems. 2. **Promote a culture of safety:** Encourage workers to report any damage or concerns about the walkways immediately. 3. **Ensure proper maintenance:** Promptly address any issues identified during inspections and implement necessary repairs. 4. **Train personnel on walkway safety:** Conduct regular training sessions for all rig personnel on safe walkway usage and the importance of reporting hazards.

Books

  • "Drilling Engineering: Principles and Practices" by John A. B. McCaslin and Michael D. Brown - This comprehensive text covers various aspects of drilling engineering, including rig design and safety considerations.
  • "Well Completion Design and Operations" by Dennis R. Holditch and Richard P. McLendon - This book explores the principles and practices of well completion, which includes rig design, equipment setup, and safety measures.
  • "Safety and Environmental Aspects of Drilling Operations" by IADC - This book published by the International Association of Drilling Contractors focuses on safety guidelines and best practices for drilling operations, including walkway design and usage.

Articles

  • "Rig Floor Safety: A Guide to Minimizing Risks" by SPE (Society of Petroleum Engineers) - This article provides insights into various safety measures on drilling rigs, including the importance of walkways.
  • "Walkways: An Essential Element of Rig Floor Safety" by Rigzone - This article highlights the role of walkways in ensuring worker safety on drilling rigs, exploring their design and maintenance.
  • "Walkway Design Considerations for Drilling Rigs" by Offshore Technology - This article discusses the factors to consider when designing walkways for drilling rigs, including safety, accessibility, and efficiency.

Online Resources

  • "Walkway Safety" by OSHA (Occupational Safety and Health Administration) - This resource from OSHA provides guidelines and regulations regarding walkway safety in various industries, including oil and gas drilling.
  • "Rig Floor Safety Manual" by IADC - The IADC website offers a comprehensive manual on rig floor safety, including sections dedicated to walkways, their design, and best practices for their use.
  • "Drilling Rig Safety" by Drillinginfo - This website offers various resources and articles on drilling rig safety, including information about walkways and their importance in preventing accidents.

Search Tips

  • "Drilling rig walkway safety"
  • "Rig floor walkway design standards"
  • "Walkway maintenance in oil and gas industry"
  • "OSHA regulations on drilling rig walkways"
  • "Drilling rig walkway safety checklist"

Techniques

Termes similaires
Forage et complétion de puits
  • walkways Passerelles : Les héros mécon…
Les plus regardés
Categories

Comments

Jack Sanders
on 14 octobre 2024 at 09:52

<p>This glossary entry on drilling walkways is incredibly detailed, and I found the explanation of their importance in creating safe, accessible paths for workers during construction projects very insightful. It&#39;s clear that drilling walkways play a crucial role in maintaining safety and efficiency, especially in challenging environments like steep or uneven terrains. The way they are constructed to support heavy machinery and ensure stability in drilling operations is fascinating. I&rsquo;m curious&mdash;when working on projects that involve both drilling walkways and retaining walls, how do engineers typically ensure that the walkways remain stable during excavation or construction near these walls? Are there specific techniques used to prevent interference between the two structures?</p> <p><strong>Response :</strong></p> <p>When engineers work on projects that involve both drilling walkways and retaining walls, they must carefully plan to ensure that both structures remain stable and do not interfere with each other during excavation or construction. Several techniques are commonly used to achieve this:</p> <ol> <li> <p><strong>Proper Site Assessment and Planning</strong>: Before construction, a detailed geotechnical survey is conducted to assess soil conditions, load-bearing capacity, and potential risks. This helps engineers design both the drilling walkways and retaining walls to complement each other and prevent interference.</p> </li> <li> <p><strong>Use of Shoring Systems</strong>: Temporary shoring systems, such as sheet piling or bracing, are often installed to support retaining walls during excavation. These systems help stabilize the soil and prevent movement that could affect the integrity of the drilling walkways.</p> </li> <li> <p><strong>Controlled Excavation Techniques</strong>: Engineers use methods like benching or sloping to reduce the risk of soil collapse and ensure that the ground near the retaining walls remains stable. This helps maintain the stability of drilling walkways during construction.</p> </li> <li> <p><strong>Reinforcement of Walkways</strong>: Drilling walkways are often reinforced with steel beams or concrete to enhance their structural integrity when working near retaining walls. This reinforcement ensures that the walkways can bear the load of equipment and workers, even in proximity to excavation activities.</p> </li> <li> <p><strong>Monitoring and Adjustments</strong>: During construction, engineers use monitoring tools such as inclinometers and strain gauges to detect any movement in the soil or structures. If signs of instability are detected, adjustments like additional bracing or alterations to the excavation process may be made to protect both the retaining walls and the walkways.</p> </li> </ol> <p>By combining careful planning, appropriate reinforcement, and real-time monitoring, engineers can ensure the stability of drilling walkways and retaining walls during construction, even in challenging environments.</p>

POST COMMENT
captcha
Back