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DROPS Inspections

DROPS Inspections


Safety has remained the number one priority in the Oil & Gas Industry, and in keeping with industry directives, OCS has developed and successfully implemented DROPS prevention schemes on many land and offshore drilling units. This ensures safety policies meet both IADC HSE Guidelines Section 16 for Dropped Objects and API Recommended Practices Section 4G & 54 for Derricks/Masts and has streamlined the management and implementation of a dropped objects policy and procedure. DROPS is an industry-wide initiative focused on preventing dropped objects, with the ultimate goal of delivering a second nature dropped objects prevention strategy across our industry. Drops is represented by a large number of operators, contractors and service companies along with several leading industry bodies.

OCS, utilizing the DROPS scheme can implement and ensure a streamlined management of a previous or new dropped objects policy and procedure. OCS ensures all policies meet;
  • IADC HSE Guidelines for Dropped Objects and
  • API Recommended Practices Section 4G & 54 for Derricks/Masts
Business Setup

Advantages of Using the OCS Dropped Objects Program

  • Generate a full dropped objects register including; Equipment Fastening Methods Photographs
  • Issue a detailed report, including; Recommendations Corrective Actions
  • Automatic check lists generated for daily, weekly, monthly and yearly internal inspections
  • Executive summary dashboard report that measures the effectiveness of your dropped objects policy
  • Compare each rigs safety performance by location, manager, or operating company
  • Online management program and reporting system available for holistic trending analysis.

In establishing an effective dropped object management system, facilities, structures, sites and locations are typically separated into several more manageable areas. Within these areas major structures are separated further to represent levels, equipment areas and modules. For each area, an inventory is prepared detailing and uniquely referencing all equipment that is located, stored, held, mounted, secured or used at height. This represents all the potential dropped objects in that area and the inventory can run to many hundreds of items, depending on the Zone being surveyed. Because of the shear number of items without an effective method this process is extremely difficult to maintain and ensure compliance with industry and company requirements. OCS provides competent inspectors to undertake a thorough DROPS survey of the mast, derrick and adjoining contingent areas. During this time detailed reports with supportive written, referenced and photographic documentation wit

    AREA 1 Derrick/Mast and Traveling Equipment
  • Derrick Equipment Zone 1 (A-Frame / Crown / Water Table)
  • Derrick Equipment Zone 2 (Underside crown to Monkey Board Fingers)
  • Derrick Equipment Zone 3 (Underside Monkey Board to Rig Floor)
  • Derrick Equipment Zone 4 (Traveling Block / TDS / Compensator / PRS / PHM / PLS / Iron Roughneck / Guiding arms)
    AREA 2 Substructure
  • Sub Structure Equipment Zone 5 (Moonpool / Cantilever / BOP Deck / Texas Deck Equipment)
    AREA 3 Main Deck Cranes
  • Crane Equipment (A-Frame / Engine Cab and Access level / Boom and Lifting Equipment)
    AREA 4 Gantry Crane
  • Crane Equipment (Complete Crane / Pipe Handlers including Truss beams and tracks)
    AREA 5 Knuckle Boom Crane / Pipe Rack Crane
  • Crane Equipment (Complete knuckle boom crane)


    AREA 6 : Jack House and Legs Jack House Equipment (Top walkway to main deck) Legs
    AREA 7 : Raised Catwalks/Conveyors/Walkways
  • Raised Catwalks / Conveyors / Walkways (Catwalks and Conveyors including Riser Skates and Wireline platforms)
    Area 8 Commmunication Masts
  • Mast Equipment (All Communication Masts and surrounding elevated area)
    AREA 9 Fixed Third Party Equipment
  • Fixed Third Party Equipment (Cement units / Snubbing units / Wireline units / CT Units)
    AREA 10 Other Areas
  • Any other areas identified by the OIM or shore based rig management team (For example: specific machinery spaces, mud pump room, sack store, engine room, columns, etc.). We specialize in creating customized inspection and reporting methods for almost every need, utilizing the OCS in-house process to ensure consistent results.

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