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Field Development Planning, Offshore India

Zenith was tasked by new client Adani Welspun (AWEL) to perform detailed field development planning for wells at two gas fields offshore India. The B-9 and MB gas fields are located in the Tapti Daman sector of the Mumbai Offshore Basin, and the scope covered eleven vertical and deviated wells planned to be drilled from three platform drill centres.

Adani Welspun (AWEL)
Field Development Planning, Offshore India


Objectives

  • Perform detailed field development planning
  • Deliver well and completion BOD, detailed programmes, equipment identification and time and cost estimation

Method

  • Methodical approach taken to data gathering and prioritisation of the data
  • Detailed offset well review establishing all pertinent data on the wells drilled in the area
  • Implemented elements of the Zenith Well Delivery Process to aid project management of the scope
  • Assigned a lean experienced technical team to deliver the wide-ranging scopes in short lead time
  • Utilised in-house engineering software and 3rd party specialists to deliver technical elements

Challenges

  • Subsurface complexities such as stratigraphy, pressure gradient and regional geo-mechanic forces
  • Multiple design iterations required and wide variance in well types
  • Cutting-edge technologies needed to deliver sand face completion requirements

Outcomes

  • Delivered 3 drilling BOD, 4 completion BOD, 11 D & C programmes and equipment specifications
  • Comprehensive wells time and cost estimation, incorporating field experience, risks and performance improvement plan
  • Detailed risk and opportunities matrix established and HSEQ documentation
  • Obtained Well Examination approval on design and operational documents