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- Site Preparation
Survey location
Level and clear the site
Build access roads and well pad
- Rig Mobilization
Transport drilling rig and equipment
Rig up (assemble) all components on site
- Spudding the Well
Start drilling the surface hole using a conductor or spud bit
- Surface Hole Drilling
Drill to predetermined depth
Run and cement surface casing for well control and formation protection
- Blowout Preventer (BOP) Installation
Install BOP stack and test it for pressure control
- Intermediate Hole Drilling (if required)
Drill deeper to isolate troublesome formations
Run and cement intermediate casing
- Drilling to Total Depth (TD)
Drill the main hole section to the target depth
Perform Logging While Drilling (LWD) / Measurement While Drilling (MWD)
- Well Logging and Evaluation
Run wireline logs to evaluate formations
Confirm hydrocarbon presence
- Casing and Cementing
Run production casing or liner
Cement in place to isolate zones
- Well Completetion or Suspension
If economic: complete the well (perforation, tubing, packers)
If not: suspend or abandon according to regulations
- Rig Demobilization
Remove rig and equipment
Restore site if required
- Production Start (if completed)
Well is connected to facilities
Begin flow testing or production
