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Bentonite

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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-115524-MS
... Abstract Data for the kinetics of the swelling of bentonite bars are shown and measurements for the friction factor between the hydrated bars and steel and plastic pipe are given. The results are compared with a previously derived equation for pressure containment. These results demonstrate...
Proceedings Papers

Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-158
... ZUSAMMENFASSUNG: Die Nutzung untertagiger Hohlraume fuer abfalltechnische Ziele verlangt langfristig nach geeigneten Verschlußbauwerken der Strecken. Aufgrund ihrer Langzeitbestandigkeit sind hochverdichtete Bentonite in reiner Form oder gernischt mit Quarzsand als Baumaterialien hierfuer...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 12–14, 2021
Paper Number: SPE-205539-MS
... is the degradation of polymers and flocculation of bentonite particles, leading to hardly control the rheological and filtration properties of water-based drilling fluids, especially under ultra-high temperature and high pressure (HTHP) conditions. Therefore, an experimental investigation is performed to study how...
Journal Articles
SPE Drill & Compl 36 (03): 730–737.
Paper Number: SPE-205487-PA
Published: 08 September 2021
.... There is the need to investigate other materials as substitutes to fly ash. Bentonite is a natural pozzolanic material that is abundant in nature. This pozzolanic property is enhanced upon heat treatment; however, this material has never been explored in oil-well cementing in such form. This study compares...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 2–4, 2021
Paper Number: SPE-207112-MS
... upstream oil & gas viscosifier composition drilling fluid selection and formulation drilling fluid formulation concentration bentonite 2 drilling fluids and materials water-based mud additive specific gravity mass shear rate mud sample carboxymethyl cellulose mud weight 8 shear stress...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1330
... Abstract Bentonite has been identified as a cost-efficient and durable solution for alternative plugging options in shallow wells due to its ductile, self-healing, and chemically stable properties. In this work, we evaluate the application of bentonite as a sealant for deep geo-energy wells...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1772
... ABSTRACT: Compacted bentonite is often considered as a backfill material for the engineered barrier system in a geological repository of high-level radioactive waste. After emplacement of waste canisters and backfill materials, bentonite will be simultaneously heated from the decaying...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1430
... a series of coupled THMC model simulations for a bentonite barrier. After providing a brief overview of the typical coupled processes encountered in bentonite barriers, we describe the development of a simulator that can simultaneously compute THMC processes, and how the capability of the THMC simulator...
Journal Articles
SPE Drill & Compl 36 (01): 75–87.
Paper Number: SPE-191155-PA
Published: 17 March 2021
... for the success of the drilling operation. This study focuses on assessing the effect of using different types of nanoparticles (NPs) with calcium- (Ca-) bentonite on the formation‐damage and filter‐cake properties under downhole conditions. Four types of oxide NPs were added to a suspension of 7-wt% Ca‐bentonite...
Journal Articles
Journal: SPE Journal
SPE J. 25 (03): 1193–1203.
Paper Number: SPE-199362-PA
Published: 11 June 2020
... drilling‐fluid failures under ultrahigh temperature, which cause serious accidents such as wellbore collapse, stuck pipe, and even blowouts. In this study, we revealed the role of polymeric additives in improving the ultrahigh‐temperature tolerance of bentonite‐based drilling fluids, aiming to provide...
Includes: Supplementary Content
Proceedings Papers

Paper presented at the 5th ISRM Young Scholars' Symposium on Rock Mechanics and International Symposium on Rock Engineering for Innovative Future, December 1–4, 2019
Paper Number: ISRM-YSRM-2019-086
... Abstract This study takes Inner Mongolia GMZ bentonite as the research object. Samples with different water contents were obtained via the previous water retention test. Further, a gas permeability test of GMZ bentonite was carried out. The effects of confining pressure, water content and gas...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Asia Pacific Unconventional Resources Technology Conference, November 18–19, 2019
Paper Number: URTEC-198301-MS
... properties after precipitation were studied by X-ray diffraction and methylene blue dye examination. The swelling tests were carried out using vial test method. It was evident from XRD that, after precipitation, bentonite resembled chlorite structure. It is noticed that the adsorption capacity of the samples...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29901-MS
... bentonite drilling fluids ." Journal of Petroleum Science and Engineering 127 : 338 – 346 . Beganskiene , Aldona , Valdas Sirutkaitis , Maryte Kurtinaitiene , Remigijus Juškenas , and Aivaras Kareiva . 2004 . " FTIR, TEM and NMR investigations of Stöber silica nanoparticles...
Proceedings Papers

Paper presented at the SPE Middle East Oil and Gas Show and Conference, March 18–21, 2019
Paper Number: SPE-194719-MS
.... This study analyzed the structural transformations and adsorption properties of Na-bentonite clay before and after chemical activation by sulfuric and hydrochloric acids. The untreated and treated clay samples have been used for adsorption of organic matter from high strength phosphoric acid...
Journal Articles
SPE Drill & Compl 33 (04): 363–376.
Paper Number: SPE-184572-PA
Published: 20 August 2018
... and investigating a calcium (Ca) bentonite-based drilling fluid with ferric oxide (Fe 2 O 3 ) NPs. Generating efficient filter cake is an important property of the drilling fluid and can affect the success of the whole drilling operation. This study aims at characterizing the filter cake produced by Ca bentonite...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191155-MS
... of the drilling operation. This study focuses on assessing the effect of using different types of nanoparticles (NPs) with Ca-bentonite on the formation damage and filter cake properties under downhole conditions. Four types of oxide NPs were added to a suspension of 7 wt% of Ca-bentonite with deionized water...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28947-MS
... Abstract In order to enhance the performance and sensing properties of the water based bentonite drilling mud hydrophilic bentonite based nanoclay was used. The bentonite content in the drilling muds were varied from 2% to 8% by the weight of water and temperature was varied from 25°C to 85°C...
Proceedings Papers

Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192384-MS
... Abstract A water-disperible particulate system has been widely used in many mature oilfields for reservoir conformance control. This paper discusses performances of a newly formulated grafted bentonite to reduce the permeability and build up flow resistance in highly permeable water channeling...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, April 22–26, 2018
Paper Number: SPE-190091-MS
... Abstract A systematic study of various temporary and permanent clay stabilizers was conducted with assorted binary blends of bentonite and silica flour. A specific stabilizer's performance is directly correlated to the type and loading of the inhibitor and particular ratio of existing inorganic...
Proceedings Papers

Paper presented at the SPE Norway One Day Seminar, April 18, 2018
Paper Number: SPE-191307-MS
... Bentonite. Their evaluation showed that the concentration 3.8wt% KCl was too high for the system and two phases were formed as the solid segregated out from the fluid. This can be explained following for example van Olphen (1977) . Presence of salt tend to increase the agglomeration speed of colloidal...

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