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Early development

Completion Design

This course is focused at taking a basic awareness of wells and completions and expanding it to cover the design process and all the key decisions that are made in completion design.

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Designed for:

Completion, workover, well intervention and drilling engineers and anyone involved in the well and completion design process (e.g. production chemists, reservoir engineers and subsea engineers). The course is targeted for persons with general wells and oil / gas industry awareness.

Duration

3 to 5 days

Learning Level

Skills

Knowledge

Awareness

The focus is on the overall design rather than the detail of completion equipment from specific vendors. It assumes some knowledge of general well intervention methods (slickline, coiled tubing, etc.), but does not significantly expand this knowledge. The course covers land, platform and subsea wells.

The course is based around the well respected book Well Completion Design. With over 700 pages and in full colour, this book is authored by the course presenters.

The course has a mixture of informal lectures, course handouts, videos and exhibits. Bound copies of overheads accompany the course.

The course is practical in nature and has a thread of a practical exercise through the week.
This single exercise is a completion design, where the students, in teams, are expected to design, cost and present the conceptual completion designs for a development scenario.

Course Content

The course covers all aspects of well construction operations including:

Types and configurations of completions

The completion design process.
Inflow performance, skin and formation damage.
Perforating; selection, deployment and interface with rest of completion.
Stimulation and impact on completion and flow performance with coverage of modern horizontal multifrac tools.
Open hole, non-sand control completions including open hole packers and horizontal well clean up.
Sand control; when do you need it, basic types and selection guidelines. Includes standalone screens, ICDs, various gravel packing techniques, frac packs and expandable screens.
Smart completions and multilaterals.
Tubing sizing, flow estimation and liquid loading.
Artificial lift; types and selection criteria, interface with drilling, reservoir and facilities. Design of gas lift and ESPs included.
Production chemistry impacts on completion, prevention and removal (scales, wax, asphaltene, hydrates, and souring).
Metallurgy, corrosion, and erosion; metal types and selection of.
Elastomers and plastics; types and selection of.
Tubing stress analysis; picking the grade and weight of tubing, plus selection criteria for packers and expansion devices. Interface between tubing stress analysis and casing design.
Completion equipment; basic types of equipment, reliability and selection criteria for each (tree, safety valve, mandrel, packers, expansion devices etc.)
Completion installation; importance of wellbore clean-out, function and types of brines, pointers for efficient completion installation.

Course Duration

Duration is 3 – 5 days.

Course Tutors

Jonathan Bellarby

BSc (Hons), MEng
30+ years – wells technology

Jonathan develops and runs courses in the Wells and Early Development series. He has a career background at BP, ICE, AGR and TRACS. Jonathan is the author of ‘Well Completion Design’.

Howard Crumpton

40+ years – interventions and completions

Howard mainly tutors courses the Wells series. He has a career background at Otis, Camco, Thistle Well Services, Wellserv, BP, TRACS and AGR. Howard is the author of ‘Well Control for Completions and Interventions’.