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Keywords: chemical tracer
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Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200403-MS
... in mature waterflooded reservoirs. chemical tracer production monitoring chemical flooding methods enhanced recovery tracer test analysis reservoir simulation pft polymer waterflooding mobility ratio production control reservoir surveillance upstream oil & gas viscosity field trial...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200374-MS
... in porous media upstream oil & gas fluid dynamics chemical tracer modeling & simulation waterflooding different mobility ratio correlation oil saturation dynamic lorenz coefficient realization storage capacity seven-spot pattern base dynamic lorenz coefficient lorenz coefficient...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200352-MS
..., surfactant and polymer mixing capability, and high-pressure pumps to deliver the mixed fluids through a flexible high-pressure hose to the platform. A laboratory to support the QA/QC of the injected fluids was also installed on the barge. Standard Single Well Chemical Tracer test procedures were applied...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200317-MS
... desaturation. The one-spot EOR pilot described in this paper was successfully executed by performing two Single-Well Chemical Tracer (SWCT) tests. For the first stage of the pilot, 200 bbl of produced water (up to 166,000 ppm TDS) were injected into the test well in an attempt to displace mobile oil out...
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 Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200371-MS
... flooding methods enhanced recovery conformance improvement gas injection method production logging reservoir surveillance flow in porous media chemical tracer production monitoring miscible method drillstem testing waterflooding injector injection profile foam strength injection rate foam...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200446-MS
... Abstract The single-well chemical tracer test (SWCTT) is widely used in the determination of residual oil saturation (SOR) in the near-well region. SWCTTs typically require large amounts of chemicals and some days of well shut-down. In the present paper, we propose using thermo-sensitive...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 14–18, 2018
Paper Number: SPE-190315-MS
... in Colombia, and the study of inter well tracers is essential for the success of this IOR technology. enhanced recovery Upstream Oil & Gas chemical tracer breakthrough polymer emulsion pattern 2 residence time tracer test analysis concentration History areal efficiency thief zone...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 11–13, 2016
Paper Number: SPE-179656-MS
... tracers most specifically for high temperature applications. NSA tracers are an attractive replacement for conservative FBA tracers in the oil field due to their superior thermal stability, solubility in oil field brine, lower detection limits and cost. chemical tracer Brine reservoir temperature...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 11–13, 2016
Paper Number: SPE-179655-MS
... efficiency and is a useful tool in polymer flood evaluations in heterogeneous reservoirs. chemical tracer concentration tracer slug partition coefficient saturation coreflood tracer oil saturation surfactant reservoir oil production Upstream Oil & Gas conservative tracer residual oil...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 11–13, 2016
Paper Number: SPE-179579-MS
... in reservoirs , U.S Patent 3623842 ( 1971 ) 2. Chang .: Evaluation and comparison of residual oil saturation determination techniques . SPE Formation evaluation , pp 251 – 262 . ( March 1988 ). 3. Jerauld , G .: Interpreting Single Well Chemical Tracer Tests . SPE paper 129724...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 11–13, 2016
Paper Number: SPE-179626-MS
..., in which High Salinity (HS) brine or seawater are commonly used. The efficiency of this technique can be quantified at the well-scale by a Single Well Chemical Tracer Test (SWCTT), which is an in-situ method for measuring the Remaining Oil Saturation (ROS) after flooding the near-wellbore region...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 12–16, 2014
Paper Number: SPE-169109-MS
... to optimize chemical flood performance and field start-up of EOR floods in a timely fashion. chemical tracer tracer test History Upstream Oil & Gas tracer history concentration EOR project producer saturation flood oil saturation Interwell Tracer Test dataset tracer test analysis...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 12–16, 2014
Paper Number: SPE-169084-MS
... This paper describes the procedure of candidate well selection and the chemical tracer test as well as the injection of CO 2 in this single well pilot test. Data analysis of the tracer test and computer modeling of a single well CO 2 injection are also presented. After completion...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 12–16, 2014
Paper Number: SPE-169105-MS
... applications. Artificial Intelligence information streamline chemical tracer Upstream Oil & Gas sensitivity inversion application tracer test analysis completion water arrival time novel tracer technology permeability distribution reservoir simulation water saturation permeability...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 14–18, 2012
Paper Number: SPE-154336-MS
... Abstract Single well chemical tracer test is a technique for measuring residual oil saturation in a reservoir. For enhanced oil recovery applications, like waterflooding and chemical flooding (polymer/surfactant), it is essential to evaluate the efficiency of the process by determining...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 24–28, 2010
Paper Number: SPE-129724-MS
... Abstract Single Well Chemical Tracer Tests (SWCTT) are widely used to estimate the remaining oil saturation after waterflooding (Sorw) and enhanced oil recovery including low salinity waterflooding. SWCTT have the advantage of being a more direct measure of Sorw than logs and unlike cores do...
Proceedings Papers

Paper presented at the SPE Symposium on Improved Oil Recovery, April 20–23, 2008
Paper Number: SPE-113440-MS
... are estimated by EnKF. These examples show that tracer data can be used successfully in an automatic updating scheme, not only by the traditionally manual updating. Modeling & Simulation ensemble member reservoir simulation concentration chemical tracer Upstream Oil & Gas multiplier tracer...
Proceedings Papers

Paper presented at the SPE/DOE Symposium on Improved Oil Recovery, April 17–21, 2004
Paper Number: SPE-89458-MS
... the method of moments to interpret interwell partitioning tracer data under a variety of oil field conditions. chemical tracer waterflood tracer concentration end point mobility ratio natural tracer average oil saturation equation partition coefficient mobility ratio concentration tracer...
Proceedings Papers

Paper presented at the SPE/DOE Improved Oil Recovery Symposium, April 13–17, 2002
Paper Number: SPE-75122-MS
... Abstract Single well chemical tracer tests (SWCT) were carried out at the VLA-1325 well located in Lagomar, C4 reservoir, Lake Maracaibo, Venezuela, to measure residual oil saturation in zone C4-U3 before and after an ASP injection, in order to determine the swept efficiency of a custom made...

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