Northside: Sequenced Fracturing: The New Edge to Optimize Wellbore Coverage, Reservoir Contact and......

Speaker: Dr. Alejandro Peña
Speaker Dr. Alejandro Peña
Dr. Alejandro Peña serves as Integrated Completion Services manager for Schlumberger. Dr. Peña oversees the development, integration and implementation of chemistry-based well stimulation technologies, including breakthrough hydraulic fracturing technologies for highly efficient and responsible recovery of hydrocarbons from unconventional reservoirs. He previously held several operational, engineering and technology management positions ...

Dr. Alejandro Peña serves as Integrated Completion Services manager for Schlumberger. Dr. Peña oversees the development, integration and implementation of chemistry-based well stimulation technologies, including breakthrough hydraulic fracturing technologies for highly efficient and responsible recovery of hydrocarbons from unconventional reservoirs. He previously held several operational, engineering and technology management positions with Schlumberger in South and North America.  


Dr. Peña is an inventor with nine granted patents, author with twenty eight publications on interfacial phenomena and reservoir stimulation technologies, and former tenured faculty in chemical engineering at Universidad de Los Andes in Mérida, Venezuela, where he taught physical chemistry and thermodynamics among other subjects. Dr. Peña received a Bachelor of Science degree in chemical engineering, Summa Cum Laude, from Universidad de Los Andes. He earned his Ph.D. degree in chemical engineering from Rice University, where he attended as a J. W. Fulbright scholar.

Full Description

Hydraulic fracturing is a key enabling technology for the recovery of vast oil and gas reserves stored in low-permeability reservoirs such as shales and tight sandstones and carbonates worldwide. Multi-stage fracturing treatments comprising large volumes of fluids and proppants into horizontal wells is increasingly becoming the preferred stimulation strategy to achieve economic production from such reservoirs. Despite a sustained increase in drilling and fracturing intensity over the last decade (longer lateral lengths and higher number of fracturing stages per well), the average production rate in major Basins has plateaued. The need exists for innovative fracturing technologies able to enhance well productivity, improve completion efficiency and optimize completion costs with a more rational use of resources.

The Sequenced Fracturing methodology resorts to degradable materials supported with engineering workflows to enhance wellbore coverage and reservoir contact in horizontal wells. For wellbore coverage, the technique relies on composite pills comprising degradable fibers and particles to promote near-wellbore diversion of proppant and fluids to clusters that otherwise would remain untreated. For reservoir contact, the methodology builds on the channel fracturing technique (SPE 135034) with use of fibers and special pumping protocols to enhance proppant transport and placement and increase the volume of reservoir effectively stimulated.  Since its inception in February 2014, more than 4000 sequenced fracturing operations have been performed in over 400 wells for 35 operators in 7 countries. Case studies from the Eagle Ford, Bakken, Haynesville and Anadarko basins are presented to highlight the impact of this technology, which has led to increases in production up to 70% in new wells, over 30-fold increases in production in re-fractured wells and reductions in completion time in new wells in excess of 60% with respect to conventional methods.

Organizer Kelsey Ridpath

Kelsey_Ridpath@swn.com


Work: 832-796-7645

When?

Tue, May. 12, 2015
11:30 a.m. - 1 p.m. US/Central

How Much?

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Where?

Greenspoint club
16925 Northchase Dr.
Houston, Texas 77060
United States

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