eprintid: 19171
rev_number: 2
eprint_status: archive
userid: 1
dir: disk0/00/01/91/71
datestamp: 2024-06-04 14:11:37
lastmod: 2024-06-04 14:11:37
status_changed: 2024-06-04 14:05:04
type: conference_item
metadata_visibility: show
creators_name: Mohamed, A.H.
creators_name: Sulaimon, A.
creators_name: Jufar, S.
creators_name: Manickam, V.
title: Wellbore Strengthening: Palm Date Seeds for Mitigating Circulation Losses and Effect of Salinity on Clay Swelling
ispublished: pub
keywords: Boreholes; Drilling fluids; Infill drilling; Oil field equipment; Oil wells; Potassium compounds; Swelling, Circulation loss; Clay inhibition; Clay swelling; Date seeds; Loss circulation; Loss circulation material; Palm date seeds; Wellbore; Wellbore instability; Wellbore strengthening, Bentonite
note: cited By 0; Conference of 2023 SPE Nigeria Annual International Conference and Exhibition, NAIC 2023 ; Conference Date: 31 July 2023 Through 2 August 2023; Conference Code:191125
abstract: Drilling through depleted and Deepwater formations are often challenging because of various wellbore instabilities such as weak zones, abnormally pressured, and/or highly swelling zones that could trigger severe circulation losses, blowouts, wellbore sloughing, enlargement, and stuck drill pipe. Considering the consequential expenses of non-productive time, it is essential to determine the root cause of wellbore instabilities, to initiate the appropriate mitigation measures. Therefore, this work was structured to review lost circulation and shale swelling challenges, mechanisms, and control strategies. Firstly, this research work has investigated palm date seeds (DS) as loss circulation and a bridging material. Processed palm seeds were sieved into various particle sizes and added in different mass and size ratios to the formulated oilbased mud. Sand-bed and HPHT filtration experiments were conducted to investigate the DS filtrate control potential. The filtrate loss and the mud cake thickness of the DS mud samples ranged between 4.2 ml to 4.8 ml and 1mm to 3mm, respectively. The conducted LCM comparative evaluations have shown that DS had the least filtrate control potential and the least competent mud cake. However, in the sand-bed experiment, DS LCM was able to withhold the mud in the sand column despite the high filtration depth. Secondly, this research work also investigated the effect of salinity on clay hydration. Therefore, using a viscometer to measure the yield point of a sample bentonite slurry, it was observed that (KCl + bentonite) had a 95 yield point reduction compared with (freshwater + bentonite). Copyright © 2023 Society of Petroleum Engineers.
date: 2023
official_url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85168116471&doi=10.2118%2f217237-MS&partnerID=40&md5=a10f23289f3f9b6b642d9751cc35c274
id_number: 10.2118/217237-MS
full_text_status: none
publication: Society of Petroleum Engineers - SPE Nigeria Annual International Conference and Exhibition, NAIC 2023
refereed: TRUE
citation:   Mohamed, A.H. and Sulaimon, A. and Jufar, S. and Manickam, V.  (2023) Wellbore Strengthening: Palm Date Seeds for Mitigating Circulation Losses and Effect of Salinity on Clay Swelling.  In: UNSPECIFIED.