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Keywords: gel
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Journal Articles
SPE Prod & Oper 38 (03): 490–503.
Paper Number: SPE-214662-PA
Published: 09 August 2023
...A. A. Roslan; N. A. A. Aziz; I. Dzulkarnain; R. D. Tewari; M. Z. Jaafar Summary Polymer gel system has been identified as having the potential for blocking and diverting water flow. However, the current polymer reported an inability to maintain its mechanical strength, limited penetration depth...
Journal Articles
SPE Prod & Oper 37 (02): 295–300.
Paper Number: SPE-209590-PA
Published: 11 May 2022
...Irina Zahirovic; Petar Skrobonja; Dušan Danilovic Summary This paper focuses on the results of water shutoff operations using polymer gel in the Kelebija oil field. The methodology of candidate wells’ selection and the manner of performing the operation will also be included. The Kelebija oil field...
Journal Articles
SPE Prod & Oper 35 (02): 202–213.
Paper Number: SPE-190256-PA
Published: 14 May 2020
...Bergit Brattekås; Randy Seright; Geir Ersland Summary Crosslinked polymers extrude through fractures during placement of many conformance‐improvement treatments, as well as during hydraulic fracturing. Dehydration of polymer gel during extrusion through fractures has often been observed...
Journal Articles
Journal Articles
SPE Prod & Oper 33 (02): 196–213.
Paper Number: SPE-186112-PA
Published: 17 August 2017
... on crosslinking reactions between polymers and crosslinkers. Breaker technologies such as oxidizers, enzymes, fluoride compounds, oxides, vitamins, and decrosslinking agents are used to break the crosslinked polymer-based gels. These materials are added as components of the initial fracturing-fluids recipe...
Journal Articles
SPE Prod & Oper 32 (03): 333–342.
Paper Number: SPE-169784-PA
Published: 11 August 2017
..., SI was also added to the fracturing gel used to carry the fracturing sand. This paper outlines the selection methods for the inhibitor chemical for application in fracturing fluids in terms of rheology, retention/release, and formation damage, and presents the chemical-return profiles from the five...
Journal Articles
SPE Prod & Oper 32 (03): 362–373.
Paper Number: SPE-179589-PA
Published: 26 January 2017
... of a newly established steady-state, two-phase chemical-system placement. The experimental procedure is applied to ensure the presence of moveable oil saturation at which the injected DPR fluid (gelant) gels in the treated zone and to quantitatively control the placement-saturation conditions...
Journal Articles
Journal Articles
Journal Articles
SPE Prod & Oper 31 (04): 337–350.
Paper Number: SPE-173853-PA
Published: 01 March 2016
... of the gelation process; strength of the formed gel against applied external forces; gel stability; gel shrinkage; and post-gelation-time behavior. This investigation has been conducted for different combinations (gelant systems) of sodium silicate with two types of polymers (a xanthan biopolymer and a low...
Journal Articles
Journal Articles
SPE Prod & Oper 29 (04): 243–260.
Paper Number: SPE-169552-PA
Published: 23 October 2014
... effects on the rheological behavior of borate-crosslinked gels is significant. Although these fluids recover their viscosity after shear, they have been observed to lose a significant portion of their viscosity under high pressures. When fracturing deeper wells in hotter reservoirs, the need arose...
Journal Articles
Journal Articles
SPE Prod & Oper 27 (04): 363–370.
Paper Number: SPE-147692-PA
Published: 07 November 2012
...L.. Ouyang; T.. Yango; D.. Zhu; A. D. Hill Summary Fracture fluid damage caused by residual polymer gel in propped fractures results in low fracture conductivity and short effective fracture length, sometimes severely reducing the productivity of a hydraulically fractured well. The residual gels...
Journal Articles
SPE Prod & Oper 27 (03): 278–283.
Paper Number: SPE-140529-PA
Published: 31 July 2012
... proppant drilling operation sand ratio total fluid Economide Directional Drilling fracture amount Pump Rate actual injection schedule fracture SPE Production fracture treatment hydraulic fracturing isolation gel water cut perforation permeability University Fracturing...
Journal Articles
SPE Prod & Oper 26 (04): 381–387.
Paper Number: SPE-140686-PA
Published: 12 October 2011
...Ben Xu; A.D.. D. Hill; Ding Zhu; Lei Wang Summary Guar gum and its derivatives have been the most commonly used polymers to increase the viscosity of fracturing fluids. However, the conductivity of many fractures created with guar-based polymers is low because of residual unbroken polymer gel...
Journal Articles
SPE Prod & Oper 24 (03): 425–438.
Paper Number: SPE-112464-PA
Published: 07 September 2009
... of a fully viscosified scale inhibitor system. The system comprises a purified xanthan viscosify-ing agent, a standard scale inhibitor for downhole scale squeezing, and a breaker to achieve controlled gel breaking down hole. The system has been field tested at Norne field in two long horizontal wells...
Journal Articles
SPE Prod & Oper 23 (01): 14–23.
Paper Number: SPE-102244-PA
Published: 20 February 2008
... isolation behind the liner were treated with an innovative gel gas-shutoff procedure. The merits of this procedure out-weighed those of other proposed solutions: targeted placement, a strong full-blocking gel to fill up channels behind the liner, inert particles to control fluid loss of the full-blocking...
Journal Articles
SPE Prod & Oper 22 (03): 348–356.
Paper Number: SPE-99580-PA
Published: 19 August 2007
...Yajun Liu; Phani B. Gadde; Mukul M. Sharma Summary In conventional gel-fracturing treatments, the damage induced by the gel can have a significant impact on well performance, particularly in low-permeability gas formations. Slick-water fracs have been shown to be more successful in some tight gas...
Journal Articles
SPE Prod & Oper 22 (02): 236–247.
Paper Number: SPE-99371-PA
Published: 19 May 2007
... gels in the matrix reservoir rock that is adjacent to a fracture(s) when oil and water is being co-produced into the treated fracture. 4 4 2006 14 6 2006 19 5 2007 19 5 2007 Copyright 2007, Society of Petroleum Engineers The ability of acrylamide polymers to impart...

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