About This Course
Optimal drainage of a reservoir, both physically and economically, is not as straightforward as it used to be in the good old days. Horses for Courses prevail. Different well paths are available for different geological structures: conventional vertical, vertical, slanted and horizontal wells. Also corkscrew, fish hook wells or snake wells are on offering if the geology demands. Next to that various types of multi-lateral, multiple horizontal wells, complete the picture. Drillers can do anything, but will those wells flow? Often hydraulic fracturing is required, especially in low permeability reservoirs. The question is: How do we clean, stimulate or otherwise optimize the inflow?
In the drive towards more technically challenging completions too often not enough attention is paid to the details of inflow performance optimization. This can result in disappointingly poor or less than optimum production. Asset managers, advisors and engineers involved in the planning, execution, and evaluation of well completions need to have the background in what is possible using modern well stimulation and other production optimization techniques and tools
This course is designed for those involved in all aspects of well completion design but has the emphasis on well stimulation. Obviously, to be able to make decisions it is important to understand the characteristics of the “drainage volume” in relation to the well paths. Therefore time will be spend during the course in discussing inflow performance and consequently, the stimulation design. In other words, how does the geology affect the well stimulation design for vertical and horizontal wells in sandstones, shales and carbonates. The course will have its focus on hydraulic fracturing and fracturing design, quality control, conducting the treatment, monitoring pressures and other critical parameters, during and after the treatment.
The course has a strong interactive format. Participants are encouraged to bring their own cases. The aim is that the time is spent roughly 50 / 50 on lecturing and students working on case studies divided into teams to evaluate and design stimulation treatments.
Each topic is introduced by a concise lecture followed by one or two exercises. Simple Excel based tools will be made available to select candidates, find the best fluid, analyse a minifrac, identify and solve near well bore issues such as tortuosity etc. At the end of the course, the participants will be able to select candidates and make a hydraulic fracturing design by ‘hand'. The course concludes with a comprehensive exercise in which the students, with the aid of state of the art hydraulic fracturing simulator (M-Frac), will:
Select candidates from group of wells
Make a proposal for the selection of a treatment for each candidate
Design of the selected treatment
Make a comparison with alternative treatment(s)
At this point own cases are welcome. So participants with a field or a cluster of wells for which they want to select candidates and to design treatments, are encouraged to bring those along.
The format is informal; students are encouraged to ask questions, make comments, etc.
About The Trainer:
Gerrit Nitters is a specialist in well stimulation operations with over 35 years' experience the oil industry. He started his career in E & P in Shell in 1974 as a researcher on various well stimulation subjects. He served Shell in a number of roles both in research as well as in the practical application of well stimulation in the Netherlands, Venezuela, Scotland and the USA. During his career in Shell he became Shell's global stimulation coordinator and Principal Technical Expert on well stimulation providing active advice from his Shell Houston and Shell Rijswijk offices to all Shell Operating Units around the world. He played a leading role in the development of the Shell/Halliburton acidizing design program STIM2001 and Shell's in house fracture design program. He wrote a number of Shell field guidelines for the application of acidizing and hydraulic fracturing. After his retirement from Shell in 2006 he founded the Nitters Petroleum Consultancy Int. B.V. Activities over the last few years range from lecturing at IFP (France) to detailed support (including on-site) on acid and fracturing treatments for a range of oil companies such as Maersk, RWE DEA, EoN Ruhrgas, GDF Suez, NAM, Aurelian Oil, CEP, VNG Norway, CEP and ExxonMobil. He is currently also involved in Geothermal Energy projects in the Netherlands. Gerrit authored and co-authored many SPE papers on the subject of well stimulation. He was SPE's Distinguished Lecturer on Well Stimulation in 2005. In addition he served as committee member and chaired a number of SPE conferences and forums on well stimulation. Currently he is one of the authors of the new SPE Monograph on Acidizing.
petroEDGE is an Oil & Gas training specialist head-quartered in Singapore. Since inception in 2007, we have focused on the training needs of the Oil & Gas Upstream sector, developing the competency and capabilities of petroleum engineers, geoscientists and related professionals in leading National & International Oil Companies and contractors across many countries. Our range of training stretches across 7 areas of the Oil & Gas industry: - Drilling; Production; Reservoir; Geosciences; Facilities; Maintenance and Management Skills development.
Over the years, as the pace of change in the Downstream Oil & Gas sector accelerates, making this sector one of the world's most competitive and complex business environments, we established a new focused Downstream division, developing a series of training programmes specifically for the Downstream sector.
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Date of Training
26 Nov 2017AdvancedwellstimulationStrategiesOil & GasOil and GasAustraliaAbu Dhabiunited arab emiratesReservoir
MY 28 Aug 2019
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