Lunch & Learn: "The Good, the Bad and the Ugly of Fluid Systems" by Shrieve Chemical Products

At these regular monthly events, networking and lunch are followed by a concise, topical technical presentation.

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Event key details

Norris Conference Center, 816 Town & Country Blvd. Houston, TX
10th September 2019
11:30am - 1:00pm

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With an emphasis on case studies, this bite-size event consistently provides members and their guests with a look at the latest and greatest that the industry has achieved.

The Good, the Bad & the Ugly of Fluid Systems by Thomas Welton, Shrieve Chemical Products

Abstract

As horizontal wells get longer, the challenges of fluid selections increase. Fluid system formulations can vary widely depending upon the reservoir conditions and operational needs. The products required are evolving to meet these needs.

The products being highlighted have challenges since it is difficult to develop and deploy chemicals that function in a wide variety of temperatures and salinities while still maintaining ease of use, additive-additive compatibility, and cost effectiveness. First, selection and compromises made with gelling agent selection will be discussed along with the strengths and weaknesses of xanthan compared to other polymers available. Based on the results of these strengths and weaknesses, a product development case study will be provided that will focus on a high stability, blended polymer and its application. Second, different types of lubricants will be presented as well as performance characteristics. A field example will be provided of evaluating a new lubricant. This will be followed by a discussion of asset integrity chemistries along with an overview of biocide selection, compatibility, and handling best practices.

Finally, suggestions for designing fluid systems will be presented along with potential pitfalls and solutions for balancing performance goals, temperature, salinity, and additive-additive compatibilities of gelling agents, lubricants, and biocides.

Speaker Bio

Thomas D. Welton is the Technical Development Director at Shrieve Chemical Products, Inc. and is responsible for Shrieve’s oilfield R&D program. Before joining Shrieve in 2013, he held a variety of roles at Halliburton, Baker Petrolite, and Witco Corporation. He has experience in hydraulic fracturing, coiled tubing, drilling fluids, acidizing, formation damage, scale, corrosion, and surfactants. He has over a one hundred issued U.S. patents and has authored numerous publications. He is currently a member of the Society of Petroleum Engineers, American Association of Drilling Engineers, and American Chemical Society. Thomas holds a BS degree in chemistry from Texas A&M University, a MS degree in chemistry from University of Houston at Clear Lake, and a PhD degree in chemistry from Rice University.

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