Articles

Pressure in Gas Column Calculation
Burst Pressure vs. Wear (remaining wall thickness)
Fracture Gradient Calculation
Pressure Losses Hydraulics Calculation
Critical Rotary Speed Calculation - Drill Pipe and Drill Collar
BP Well Control Toolkit
Mud Rheology Calculation
Cuttings Slip Velocity Calculation
Equivalent Circulating Density (ECD) Calculation
Total Flow Area Calculation
BOP Accumulator Capacity Calculation
Minimum Flow Rate for Hole Cleaning Calculation
Kick Tolerance Calculation
Mud Compressibility Calculation
Directional drilling plan with hole opener and under-reamer
Gyro Surveys - QA/QC
Well Plots
Surveying Wells with Anticipated Well Control Problems
Best Practices for Running Recoverable Survey Instruments
Teledrift - Inclination-only MWD
Declination and Grid Convergence Definition
Survey Programme Example
Directional Surveying Standards
Running procedures for solid state magnetic multi-shot directional survey tools
Magnetic Multi-Shots
Surveying Wells with No Anticipated Well Control Problems
Directional BHA considerations
Steerable Systems
Data Recording for Horizontal and ERD wells
Surveying definitions
Conventional multi-shots magnetic survey tools: Pre-survey checklist & Running procedure
Magnetic surveying techniques
Gyro Single Shots
Electronic Magnetic Multi-Shots
Correction for Magnetic Azimuths
Tie-In Data
Kick-off and Initial Build Section
Survey policy
Surveying Responsibilities
Conventional magnetic survey tools
Solid state magnetic survey tools
Survey evaluation
Inertial Navigation Survey Systems
Gyro Multi-Shots
Introduction to Magnetic Surveys
Measurement While Drilling (MWD) Tool
Directional Drilling Responsibilities
Guidelines for Rotary Directional Drilling
BHA Components and Inspections
North seeking gyro survey tools
Correction programmes for magnetic survey
Survey tools and techniques
Magnetic Single Shots
Measurement While Drilling (MWD) General Guidelines
Bit Selection and Hydraulics
Survey program and report
Conventional gyro: pre-survey checklist and running procedure
Conventional magnetic single-shot survey tools: Pre-survey checklist and Running procedures
Slim hole, coiled tubing and under-balanced drilling surveying
Survey Programme
Non-Magnetic Drill Collars
Measurement While Drilling (MWD) - QA/QC
Directional Drilling Planning
Positional Uncertainty
North Seeking gyro - Common tools description
Horizontal well surveying
Wireline Surveying Techniques
Wellpath planning and anti-collision monitoring - COMPASS
Directional drilling plan with 12.25" pilot hole, 22" hole hole opener and 24" underreamer
Wireline steering techniques
Conventional Gyroscopic Survey Tools
Borehole representation
Directional Drilling Exercices
Measurement while drilling (MWD) - Introduction
Introduction to Gyro Surveys
Definition of Surveying Terms
Single-shot inclination-only survey tools (TOTCO)
Junk Mill
Fishing with Washover Strings
Fishing with Junk Subs
Pipe Sticking
Stuck Pipe Prevention
Stretch graph for 3.5" and 5" Drilll Pipe
Fishing tools selection
Baryte plugs to cure losses
Overpulls/ Stuck Pipe In Surface Hole
Fishing in slim hole wells
Differential Sticking (Cause of Stuck Pipe)
Hole Cleaning
Formation Instability
Fishing Guidelines
Problems encountered in drilling extended reach and horizontal wells
Use of Drag charts for hole cleaning - WellPlan
Drilling Unconsolidated Formations
How to avoid Hole Related Problems
Lost Sidewall Sample Bullets
Jarring precautions
Effective Pull On Stuck Pipe
Freeing Differentially Stuck Pipe
When to Give Up Attempts to Free the Pipe
Chemical Cutters for Stuck Tubing or Drillpipe
Miscellaneous Fishing Tools
Fishing Planning and Preparation
Lost Circulation
Pilot Mill
Tripping Procedure in tight hole
Mechanical Sticking (cause of stuck pipe)
Changing a Bottom Hole Assembly
Fishing with Overshots
Fishing with Spears
Responsibilities during Fishing Operations
Backing off Procedures
Taper Mills
Fishing with Junk Retrievers
Pulling Stuck Pipe
Stuck Pipe - Free Point Determination
Stuck Casing - Remedial Action
Backing-off procedure with top drive
Back-Off Procedures
Fishing Assemblies and tools
Jarring Stuck Pipe
Preventing Differential Sticking
Milling Guidelines
Fishing Tools: Drilling/ Fishing Jars,Accelerators, Bumper Subs
Spotting Fluids to Free Stuck Pipe
Hole Cleaning Tips
8.5" Section Drilling Programme HPHT
Rig Team HPHT Checklists
Whipstock Milling Operation - Best Practices
Cooper Oil Tools: MC2 compact wellhead
General Guidelines for Sidetracking
Underreaming
Multilateral drilling programme
Standard Drilling Tools
Abandonment guidelines
Well Planning Information Sheet
Planning requirements for Managed Pressure Drilling (Mud Cap)
Mud cooler for HPHT wells
Mechanical power to the bit / corehead
Sequence of Operations - Typical Offshore Well
Conversions factors
Minimum safety stock for HPHT operations
Operations with Mud Cap Drilling (MPD, Managed Presure Drilling)
Responsibilities for Abandonment
HPHT procedures
Abandonment programme - oil producer
Responsibilities during drilling operations
Ingram Cactus: Exact 15 Universal Slim-hole wellhead system
Drilling Programme - Preparation and Content
Drilling Standards
Abandonment and sidetrack drilling programme
Mechanisms of rock cutting
Sequence of Operations - Typical Onshore Well
Final / End of Well Report
Drill string vibrations
Sidetracking Guidelines
Sidetracking out of Casing with Whipstock
HPHT Drilling Procedures
Drilling programme 12.25" section HPHT
Acronyms and Abbeviations
Drill Pipe String Design (example)
Depth Referencing
Diving operations in exploration drilling
Guidelines for Site Survey/ Hazard Requirements for Drilling Units
Surveying requirement for exploration well
Surveys required before rig move - Offshore
Submersible drilling rig
Types of vessel, offshore support
Posted Barge With Land or Modular Drilling Rig
Land rig on artificial island (shallow water)
Cantilever Drilling Barge
Standard Jack-Up
Jacket Supported “Offshore’’ Rig
Modularised and Pile Elevated Drilling Rig
Heli-Rig
Drilling Rig on Pre-Installed Piles and Modules for shallow water depth
Stand-by vessel duties, equipment and standards
Land rig on barge (with optional submerged caissons)
Steel Caisson and Drilling rig
Semi-Submersible
Swamp Barge (With Optional Submerged Caissons)
Shallow Draft Jack-Up
Drilling program example (Semi-Sub)
Site Restoration
Onshore Rig Moves - Well Status
Rig Move Dailly Report (Onshore and Ofshore)
Responsibiliites for Rig Move, Site Preparation and Site restoration
Rig Move Inspection Requirements (Onshore Operations)
Site Preparation for Land Wells
Offshore Rig Move Plan
Truck Driver Rig Move Toolbox Meeting
Responsibilities during offshore rig moves
Offshore Rig Moves Planning and Preparation
Onshore Rig Move Plan - Table of Content
Offshore Rig Moves
Rig Move Planning (Safety and Review)
Well control for slim hole wells
Historical problems with slim hole drilling
Drill string design (slim hole wells)
Vibration minimisation for continuous coring in Slim Hole Drilling
Coring in Slim Hole Wells
Surveying Slim Hole Wells
Downsized conventional drilling - Slim Hole Wells
Continuous coring method - Slim Hole Wells
Muds, hydraulics and lost circulation for Slim Hole Drilling - Continuous coring
Casing, liners and cementing for Slim Hole Wells
Completion technology for Slim hole wells
Rigs for Slim Hole Drilling
Muds, hydraulics and lost circulation for Slim Hole Drilling - downsized conventional drilling
Wellheads, Xmas trees and BOPs for Slim Hole Wells
Slim hole well wireline logging
Slim hole Wells - Overview
Environmental impact of Slim Hole Drilling
Vibration minimisation for conventional Slim Hole Drilling
Evaluation of slim hole wells
Production testing - Slim Hole Wells
List of companies - Slim Hole Wells services
Slim hole Drilling Techniques
Incident Reporting Standards
Mangement of Change Standards
Drill String and BHA Management Standards
Drilling Fluids Standards
Safety Management Standards
Testing Standards
Barriers Standards
Completion Standards
Coring Standards
Dailly Drilling Report Standards
Survey and Collision Avoidance Standards
Cementing Standards
Well Operations Management Standards
Approval to commence operations - Standards
Tripping - Standards
Geology, Logging, Mudlogging & RTC - Standards
Drillpipe and Bottom Hole Assembly - Standards
Shallow Gas Standards
Operation Programmes Standards
Coiled Tubing Standards
HPHT Wells - Standards
Abandonment Standards
H2S Standards
Wellheads and Xmas Trees Standards
Simultaneous Operations Standards
Rig Acceptance Standards
Rig Move - Standards
Well Control Standards
Pressure Testing Standards