Effect on Fracture Pressure by Adding Iron-Based and Calcium-Based Nanoparticles to a Nonaqueous Drilling Fluid for Permeable Formations

Author:

Contreras Oscar1,Alsaba Mortadha2,Hareland Geir3,Husein Maen4,Nygaard Runar5

Affiliation:

1. Chevron, 500, 5th Avenue South West, Calgary, AB T2P 0L7, Canada e-mail:

2. Mem. ASME Missouri University of Science and Technology, 1006 Kingshighway, Rolla, MO 65409 e-mail:

3. Mem. ASME Oklahoma State University, 423 Engineering North, Stillwater, OK 74078-5021 e-mail:

4. University of Calgary, 2500 University Dr. NW, Calgary, AB T2N 1N4, Canada e-mail:

5. Mem. ASME Missouri University of Science and Technology, 129 McNutt Hall, 1400 North Bishop Avenue, Rolla, MO 65409 e-mail:

Abstract

This paper presents a comprehensive experimental evaluation to investigate the effects of adding iron-based and calcium-based nanoparticles (NPs) to nonaqueous drilling fluids (NAFs) as a fluid loss additive and for wellbore strengthening applications in permeable formations. API standard high-pressure-high-temperature (HPHT) filter press in conjunction with ceramic disks is used to quantify fluid loss reduction. Hydraulic fracturing experiments are carried out to measure fracturing and re-opening pressures. A significant enhancement in both filtration and strengthening was achieved by means of in situ prepared NPs. Our results demonstrate that filtration reduction is essential for successful wellbore strengthening; however, excessive reduction could affect the strengthening negatively.

Publisher

ASME International

Subject

Geochemistry and Petrology,Mechanical Engineering,Energy Engineering and Power Technology,Fuel Technology,Renewable Energy, Sustainability and the Environment

Reference46 articles.

1. Ivan, C., Burton, J., and Bloys, B., 2003, “How Can We Best Manage Lost Circulation?,” American Association of Drilling Engineeers (AADE) National Technology Conference, Houston, TX, Apr. 1–3, Paper No. AADE-03-NTCE-38.http://www.aade.org/app/download/7238840781/AADE-03-NTCE-38-Ivan.pdf

2. Evaluation of Horizontal Well Performance After Drilling-Induced Formation Damage;ASME. J. Energy Resour. Technol.,2005

3. Laboratory Study of Lost Circulation Materials for Use in Both Oil-Base and Water-Base Drilling Muds;SPE Drill. Eng.,1987

4. Lost Circulation Corrective: Time-Setting Clay Cement;J. Pet. Technol.,1952

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