How Oil And Gas Well is Drilled-Step By Step Guide

Introduction

• Note:

• Surface Geology Study
• Gravity Method
• Magnetic Method
• Seismic Method

• Element Of Trap
• Types Of Traps
• Anticline Trap
• Fault Trap
• Salt Dome Trap
• Pinch Out Trap
• Unconformity Trap
• Trap Assessment

• Drilling Program Preparation
• Emergency Response Plan
• Drilling Rig Hiring Process
• Drilling services Contracts Process
• Well location preparation

• Drilling Rig Hierarchy
• Rig move and Rig up
• Rig acceptance process
• Phase-1
• Weld Neck flange
• Nipple UP Diverter
• Pressure Test Diverter
• 17-1/2" Hole Drilling
• Run 13-3/8" casing
• Cement Job 13-3/8" Casing
• Nipple Down Diverter
• Weld C Plate
• Welding Casing Head Housing
• Nipple Up BOP Stack
• Pressure Test BOP Stack
• Pressure Test Casing Head Housing outlet Valve
• Phase-2
• Acronym
• Symbols
• Pressure Test 13-3/8" Casing
• Leak Off Test
• Drill 12-1/4" BHA
• Run 9-5/8" Casing
• Cement Job 9-5/8" Casing
• Lift BOP stack and Set Casing Slip
• ND BOP Stack & Install THS
• Nipple UP BOP
• Pressure Test BOP Stack
• Pressure Test THS outlet Valve
• Phase-3
• Pressure Test 9-5/8" Casing
• Leak Off Test
• 8-1/2" Hole Drilling
• Wireline Logging
• Run 7" Liner
• Set Liner Hanger
• 7" Liner Cementing
• PT & Clean 7" liner shoe track
• 7" Liner CBL and VDL wireline Log
• Drilling Quiz

• What is DST
• Clean out trip and displace Well bore with brine
• Perform Perforation
• RIH with DST string
• Under Balance Well With Coil Tubing
• Perfrom DST
• Kill well and POOH DST string

• Run completion
• Pressure test tubing
• Set packer and PT TCA
• Set Plug and PT
• Install BPV and ND BOP stack
• Install Tubing Bonnet
• NU X-mass tree and PT
• Release Rig
• Closing Thoughts
• Completion quiz