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Keywords: concentration
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Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, July 27–31, 2020
Paper Number: SPE-198973-MS
... Abstract In the completions of deep-water wells with the presence of gas, it may be necessary to use gas hydrate inhibitors, in these cases the design of the completion fluid usually focuses on determining the concentration of hydrate inhibitor and meeting the criteria of maximum pressure...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, July 27–31, 2020
Paper Number: SPE-199076-MS
... concentration low-mobility region breaker fracturing materials proppant drillstem/well testing reservoir simulator fracture face damage fracture model reservoir society of petroleum engineers permeability study case Introduction Hydraulic fracturing has proven to be an effective way...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, July 27–31, 2020
Paper Number: SPE-199053-MS
... concentrations ICP (inductively couple plasma) to determine calcium, sulfur and other ions ICP was also used to evaluate rock composition and the core thin-section samples were used directly with Raman microscopy to evaluate the presence of anhydrite. As a complementary analysis, the following tools...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, July 27–31, 2020
Paper Number: SPE-199071-MS
... behavior considering these effects. Hence, several ways to reduce degradation were implemented. Finally, the flowback test in one well validated the assay showing that combined degradation (mechanical and chemical) did not reduce active polymer concentration in more than 25%. In order to make degradation...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, July 27–31, 2020
Paper Number: SPE-199109-MS
... systematic volcanic intrusive characterization model well logging directional drilling upstream oil & gas production monitoring hydraulic fracturing borehole imaging concentration pilot well identification intrusive igneous rock intrusive body thickness igneous rock evaluation...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185524-MS
... intaking intensity as inter-layer differences. The total designed volume of slugs was 0.1 PV with the main slug applying the micrometer-level new particle-type polymer SMG of a concentration of 0.2%-0.5%, the pre-set and middle conformance control slugs apply LPG added PSP of concentrations between 0.3...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185499-MS
... well and perforation cluster spacing show a good correlation with production. This production increase can be linked with an increase of the propped surface highlighting the need for the right balance in between fracturing fluid viscosity to enhance transport and the proppant concentration...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185526-MS
... that the selected polymer at the target concentration was not significantly degraded in the reservoir. enhanced recovery injector viscosity polymer concentration Modeling & Simulation polymer injection tracer surveillance chemical flooding methods Flow profile Rayoso Formation polymer flooding...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185489-MS
... turbulence on mechanical degradation, polymer concentration and solvent salinity. Furthermore, two-phase flood experiments in complex pore-scale geometries have confirmed that elastic flow inconsistency provides a mechanism capable of increasing oil phase mobilization by the viscoelastic aqueous phase. Due...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185484-MS
... media deposition Reservoir Characterization Fluid Dynamics surface area energy barrier surface roughness nanoparticle deposition zeta potential nanoparticle roughness silica nanoparticle collOid Upstream Oil & Gas concentration dlvo interaction energy DLVO theory equation...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185544-MS
... water, reproducing accurately the concentrations of the ions Ca ++ of Colombian oilfields (consisting currently the biggest issue in this sort of formation damage). The used methodology consisted in a factorial experimental design, which allows the optimal combination of thermodynamic parameters...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185552-MS
... barrels distributed between two injectors at a range polymer concentration between 200 – 1500 ppm and injection rates between 2000 – 3200 BPD per pattern. Production initial response has been positive with a cumulative incremental that exceeds the 85,000 barrels of oil with reduction of water cuts of up...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185558-MS
... this depends on whether these can be trapped in the porous media. This work aims to evaluate the change in the asphaltene hydrodynamic radius of at different concentrations of n-heptane and to detect the onset asphaltene floculation using a new technique known as 1H Diffusion ordered spectroscopy-NMR (DOSY-NMR...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185542-MS
..., and orientation-dependent repulsive steric interactions. This process consists of sequential steps initiating with nano-aggregation of five to six asphaltene molecules and continues by increasing its concentration into formation of clusters. Further augmentation of asphaltene dosage leads to formation...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185451-MS
... Abstract The behavior of two Castor oil based muds (OBM) prepared with additives marketed in Colombia is observed, the concentrations of the additives are the same for both fluids with the difference that one has as rheological modifier a polar activator and the other uses lime. These ones...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185561-MS
... Abstract Well deliverability is directly related to the hydraulic fracture conductivity of the created fracture networks. There are several influencing factors on fracture conductivity, including fracture surface topography, mechanical properties, and proppant concentration. Fracture surface...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185532-MS
... is not only governed by the pore-scale physical heterogeneities but also by the local chemical equilibrium and speciation of chelating agents at various pH values. Upstream Oil & Gas flow rate experiment acidizing concentration reactive transport reaction flow in porous media chemistry...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, November 18–20, 2015
Paper Number: SPE-177031-MS
... friction reducers (FRs) and, because the RPM polymer contains cationic groups, this can lead to precipitation issues for the wet coating method. One way to help prevent this is to use high salt concentration in the mix water; but, this raises logistic and cost issues. The dry coating method offers several...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, November 18–20, 2015
Paper Number: SPE-177057-MS
... the formation by adding surfactants, in proper concentrations, to frac water favoring the process of imbibition. This study combines the effect of wettability and IFT alteration by surfactants and the corresponding impact on spontaneous imbibition in ULR from the Permian Basin by conducting contact angle...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, November 18–20, 2015
Paper Number: SPE-177103-MS
... lbm/gal) was tested, and a passing grade (0.02 lbm/ft 2 ) was achieved at 275°F for six hours. The inhibitor also has certain functional groups that can trap or chelate the bivalent calcium and strontium ions and prevent the formation of scales. At 0.25% v/v inhibitor concentration, 100% inhibition...

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