Rig Inspection, Sizing and Selection

• Introduction to Rig Inspection, Rig Sizing and Rig Selection

                   o Course objectives

                   o Basic concepts and definitions on Rig Inspection

                   o Standards, Norms used in Rig Inspection

                   o Inspection categories and acceptance criteria

•  Types of Drilling and Work Over Rigs 

                   o Land rigs for drilling Operations

                   o Land rigs for work over operations

• The Basic Rig Systems – Description & Specifications – Part I

                   o Power System

                   o Hoisting System

                   o Rotary System

On the first day participants will be introduced on the rig inspection objectives and categories. The day continues with an overview of the rigs used for land drilling and work over operations and concludes with a detailed description and specification of three basic rig systems: power system, hoisting system and rotary system, complemented with technical information provided by manufactures, handout of data sheets, and animations to complete the understanding

• The Basic Rig Systems – Description & Specifications – Part II

                  o Fluid Circulating System

                  o Solids Control Equipment

                  o BOP and Well Control Equipment

                  o Rig Instrumentation

•  Guidelines for Rig Inspection and Acceptance Test

Part II of description & specifications will cover; fluid circulating system, solids control equipment, BOPs & well control equipment and rig instrumentation using the same methodology applied on day 1 including the analysis of technical information provided by manufactures, equipment data sheets, videos and group discussion.

The day ends with the presentation of guidelines for rig inspection and acceptance tests, this information will be the base for the next two practical days

Rig Inspection and Acceptance Tests (Workshop & Check Lists) – Part I       

• Drilling Equipment

                  o Hoisting Equipment

                  o Drill Floor Equipment

                  o Pipe Handling Equipment

• Mud System

                  o Mud Pumps 

                  o Mud Mixing Equipment

                  o Centrifugal Pumps

                  o Solids Control Equipment

• Well Control Equipment

                  o Rams Preventers

                  o Annular Preventers

                  o Choke and Kill Manifold

                  o Poor Boy Degasser

                  o BOP Control Unit (Accumulator)

                  o BOP Handling Equipment

                  o Diverter System

This day will focus in the discussion of methods and procedures for conducting inspection and acceptance tests of rig equipment components. Participants will be organized in team to perform a workshop on specific inspections of Drilling Equipment, Mud System and Well Control Equipment, complemented with the discussion of testing procedures and the application of dedicated Check Lists.  At the end of the day, each team will brief the class on their workshop findings, followed by a group discussion of relevant topics coordinated by the instructor

Rig Inspection and Acceptance Tests (Workshop & Check Lists) – Part II

• Power System (Diesel / Electric Rig)

                o Diesel Engines

                o Main Generators

                o Transformers

                o SCR System

                o Main Switch Boards

                o DC Motors

                o AC Motors

                o ELMAGCO Break

                o Lighting Systems

                o Emergency Generators / Auxiliary Equipment

• Safety and Environment Inspection

                o Fire Fighting Equipment

                o Drilling Facilities Safety

                o Gas Detection Equipment

                o Lifting and Load Handling Equipment

                o Permit To Work System

                o Pollution Control

                o Accommodations & Housekeeping

                o First Aid & Sick Bay

Workshop on rig inspection and acceptance tests will continue using testing procedures and check lists for Power System, Safety and Environment Inspections.

Each team will present a summary of their work to the rest of the class, followed by a group discussion on relevant topics coordinated by the instructor.

Drill String Inspection

• Drill String Components – Description & Specifications

                o Drill Pipe Marking System

                o Drill String Operation

                o Drill String Failures

• Inspection Methods – NDT

                o Dimensional Inspection

                o Visual Inspection

                o Magnetic Particles

                o Electro Magnetic Inspection

                o Ultra-Sonic Inspection

                o Non Magnetic Inspection Methods

                o Inspection Marking

• Rig Sizing and Rig Selection

                o Minimum Land Rig Requirements

                o Main factors for Rig Comparison

                        - Derrick Load Capacity Calculations

                        - Block Line Calculations

                        - Drilling Work Line Calculations

                        - Rig Power Requirement Calculations

                        - Well Control Equipment Requirements

                        - Solid Control Equipment Requirements

                        - Drill String Handling Capacity

                        - Storage Capacity

                        - Accommodations & Living Facilities

                        - Rig Management System

                        - Rig Inventory

•  Standards and Procedures for Rig Selection

                 o API Form D10

                 o API RP 7L

•  Excel Sheets for Rig Sizing and Selection (Exercises)

The day will start with a section on drill string inspection, discussing the main string components and the field procedures for non-destructive tests.  Then participants will perform rig sizing calculations and they will discuss rig selection procedures.

The day ends with the application of API standards and forms developed for rig sizing and selection and the use of excel sheets generated for the same purpose.