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Residual oil evaluation using single well chemical tracer test

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Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 12–15, 2021
Paper Number: SPE-206421-MS
... describes the problems that arise during the interpretation of real case study. tracer test analysis three-dimensional model calculation residual oil saturation petroleum engineer chemical tracer distribution constant accuracy tracer interpretation swctt concentration single well chemical...
Proceedings Papers

Paper presented at the SPE Saudi Arabia Section Technical Symposium and Exhibition, April 21–24, 2014
Paper Number: SPE-172229-MS
... model, which was generated based on the selected evaluation well. Nomenclature Abbreviation Expansion SWTT Single well tracer test EOR Enhanced Oil Recovery CEOR Chemical Enhanced Oil Recovery OOIP Original oil in place ROS Residual oil saturation PV Pore volume...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202206-MS
...-surfactant (AS) slug to improve recovery factor through the reduction of residual oil saturation. The pilot project utilized single well chemical tracer test technique (SWCTT) to measure residual oil saturation (S or ) change near well bore. The pilot results could be used to evaluate the potential...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 1–5, 2015
Paper Number: SPE-173618-MS
... ). Thermal Effects on Single-Well Chemical-Tracer Tests for Measuring Residual Oil Saturation . SPE Formation Evaluation 6 , no. 03 : 401 – 408 . Puerto , M. , ( 2010 ). Surfactant Systems for EOR in High-Temperature, High-salinity Environments . Presented at the 2010 SPE Improved Oil...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 14–16, 2016
Paper Number: IPTC-18858-MS
... spread of permeability and porosity. Single Well Chemical Tracer Test (SWCT) Overview The SWCT test for residual oil saturation is carried out by the injection and back production of water carrying chemical tracers in a single well. They are commonly used for assessing EOR floods performance...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, April 27–30, 2015
Paper Number: SPE-173994-MS
... is on the single well tracer test. The single well chemical tracer test (SWCTT) is also known as the residual oil saturation tracer test and the Exxon tracer test. This test uses chemical reactions involving different tracers. The primary objective of single-well tracer tests is fluid saturation. Other...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 10–12, 2014
Paper Number: IPTC-17951-MS
... Abstract Assessing the residual oil saturation of different EOR techniques is of paramount importance to accurately select a suitable tertiary development and properly quantify remaining reserves in a given field. The Single Well Chemical Tracer Test (SWCTT) has proved to be a reliable...
Proceedings Papers

Paper presented at the SPE Kuwait Oil and Gas Show and Conference, October 11–14, 2015
Paper Number: SPE-175282-MS
... Abstract Successful implementations of Single Well Chemical Tracer (SWCT) Tests have opened up new opportunities for reserves growth in North Kuwait reservoirs with water flood and with use of Enhanced Oil Recovery methods (EOR). Series of SWCT Tests have been carried out with water flood...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, October 25–27, 2016
Paper Number: SPE-182376-MS
... used to describe and improve the design of SWCT tests for candidate wells. The next step was to evaluate the ASP flood on reservoir model. Sensitivity analysis was conducted on key parameters e.g. adsorption, injector-producer spacing, residual oil reduction by chemical, and ASP slug size to identify...
Proceedings Papers

Paper presented at the EUROPEC 2015, June 1–4, 2015
Paper Number: SPE-174397-MS
... to define an optimum alkaline surfactant polymer (ASP) formulation. Along with simulation studies, comprehensive inter-well (IWTT) and single well tracer tests (SWTT) have been carried out to provide valuable input to understand aquifer drift, the reservoir flooding process and to analyse residual oil...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200420-MS
... 2 d C p d t =   − λ C p , Abstract Single well chemical tracer tests (SWCTT) have been extensively used in the field to estimate residual oil saturation in a reservoir for more than 50 years. They are often used as characterization methods to gauge EOR potential...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-144150-MS
... factor through the reduction of residual oil saturation (S or ). The pilot project utilized single well chemical tracer test technique (SWCTT) to measure S or change near well bore due to reactions of CEOR process. The pilot results were later used to update the reservoir dynamic model and to support...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-189300-STU
... of conventional MoM. enhanced recovery alcohol ester Upstream Oil & Gas chemical tracer test oil saturation procedure chemical tracer Swctt single well chemical tracer test partition coefficient saturation production rate tracer test analysis concentration residual oil saturation...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 15–18, 2021
Paper Number: SPE-207314-MS
... the single well chemical tracer test as a method for measuring average residual oil saturation in 1972. Since then the test has been applied at more than 200 fields [ 4 ], including several projects in Russia, e.g. [ 1 ]. The SWCTT test allows measuring the average residual oil saturation over...
Proceedings Papers

Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 25–28, 2016
Paper Number: SPE-182811-MS
... Abstract Tracers are increasingly being deployed as an effective reservoir monitoring and surveillance (M&S) tool in the oil and gas industry. In particular, the single-well chemical tracer test (SWCTT) is being widely used to estimate remaining oil saturation (ROS) or residual oil...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 12–16, 2014
Paper Number: SPE-169084-MS
... miscible conditions. The pilot test consists of a single-well chemical tracer (SWCT) test before and after CO 2 injection on a selected well producing from the Arbuckle formation. The chemical tracer test was used to determine the residual oil saturation, which usually is not available in Arbuckle...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190374-MS
... recovery from a giant carbonate reservoir. Two Single Well Chemical Tracer (SWCT) tests were performed on the SAMA test well (Well A) to measure the effectiveness of ASP injection in mobilizing waterflood residual oil saturation. The first SWCT test (Test #1) measured the waterflood residual oil saturation...
Proceedings Papers

Paper presented at the SPE Kuwait Oil & Gas Show and Conference, October 13–16, 2019
Paper Number: SPE-198157-MS
... of potential uses. Among the most commonly reported tracer methodologies are the so-called single well chemical tracer test (SWCTT) and the inter-well tracer test (IWTT). IWTT involves injecting and producing tracers from different wells to evaluate fluid movement and connectivity in the area between injector...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 12–15, 2021
Paper Number: SPE-206489-MS
... (1971 ), when developing the single well chemical tracer test (SWCTT) – used to measure oil saturation in a near well push-and-pull test. Briefly, if the oil-water partition coefficient K = C o / C w is know for a tracer, and this tracer is compared to a non-partitioning tracer K = 0, the time...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200352-MS
... dynamics single well chemical tracer test residual oil saturation saturation injection reservoir surveillance reservoir simulation drillstem/well testing concentration tracer seawater formulation swctt surfactant polymer formulation society of petroleum engineers offshore interpretation sp...

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