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This section will help you in creating a Shale Gas Development Pacing project. Suppose you want to develop a plan for a shale gas resource play over several decades. This will require the creation of a complex project, and will have a few challenges like:
- Drilling HBP (held by production) locations first, then drilling by Pad
- Rig and frac spread scheduling
- Pipeline capacity limitations
- Several Thousand Well locations
Creating the Network
First, you must create a network that includes facilities that correspond to your specific situation. Below is the flow diagram of an example Shale Gas Development project, where facilities have been manually created and wells have been automatically created using Scheduler:
Well entry into the Well List
The next step is to drill HBP pads using the WellList in the scheduler tab. You may copy the Well List format to excel, enter appropriate values, then copy from excel back into the well list. Assign a drill order for wells and rigs to specific wells. You are going to want to make sure to define wells to establish HBP for early drilling.
Well List:
Gantt Chart:
Using Super Wells
After HBP pad wells are drilled, create a follow up drilling program that consists of a new well list and super wells. To Create Super wells, simply toggle checkbox that is labeled ' Program Creates Super Wells?', located at the bottom of the general tab in scheduler.
A Super-Well allows 1000's of wells to be economically modeled as groups of individual wells. Automated Well Grouping significantly improves calculation performance in large projects, with no less rigor in well planning.
Scheduling Resources
Wellspring allows you to easily define additional Drilling or Completion Resources, along with hunting or environmental access restrictions.
Results - Incremental Comparison
After your project is created, you can easily compare development options by having different permutations of the same project in different scenarios. The 'PlanView' tab is a great tool for this, because it allows for direct comparison of scenarios, by using the project consolidation factor. It allows you to report incremental values, and to visually compare scenarios.
See also