Articles

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