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Keywords: conductivity
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Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199283-MS
... mixed with the proppant provides the possibility for long term flow assurance without conductivity impairments. This substrate allows more chemical to be transferred bottomhole resulting in longer treatments. Traditional and nontraditional screening methods were used to demonstrate the longevity of the...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199236-MS
... production monitoring acidizing drillstem/well testing structural geology conductivity drillstem testing optimal injection rate drilling fluids and materials A great part of the world's conventional hydrocarbon reserves are found in carbonate reservoirs. The rocks that form these reservoirs...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189478-MS
... Currently, the most commonly used fracturing fluid is a guar fracturing-fluid system. However, its gel-breaking fluid can leave a high residue content and can cause obvious damage to the formation. Fractrue conductivity can be compromised substantially, and the surrounding formation matrix could...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189476-MS
... The key to success of a frac-pack completion is the fracture conductivity. It is well established that a propped fracture is orders of magnitude more productive than an improved fracture and that the productivity improvement factor is direcly proportional to the fracture conductivity (fracture...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189543-MS
... that are removed. Another option is to use a chelation additive that forms soluble complexes with the divalent species and prevents them from reacting with hydroxide ions and other chemistries that may form precipitations and potentially cause formation or proppant conductivity damage. This...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189561-MS
... chloride clay control hydraulic fracturing clay control additive formation damage fracture network water sensitivity na-chlorite breaker society of petroleum engineers turbidity conductivity breaker Formation damage due to exposure to water is a significant issue in hydraulic fracturing...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189571-MS
... reservoirs. The paper presents a 3-D Cartesian simulation model, which is run for different fracture half-length, fracture height, HF conductivity, natural fractures permeability and matrix permeability, to represent wide variety of hydraulically fractured reservoir systems. Dual porosity-dual permeability...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178982-MS
... Abstract A conventional proppant pack can lose up to 99% of its conductivity due to gel damage, fines migration, multiphase flow, and non-Darcy flow. Consequently, pillar fracturing was developed to generate highly conductive paths for hydrocarbon flow. This paper describes experimental results...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178985-MS
... was studied against guar-based fracturing fluids. The average molecular weight of treated fluids was measured by changes in intrinsic viscosity. Additionally, regain conductivity measurements were carried out. Results showed an 84% regain conductivity in proppant packs. Chlorophyll-treated cross...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178995-MS
... (DJ) basin and pumped using the same hybrid treatment design. Along with field data, laboratory testing was conducted to compare the viscosity profiles of the LF-RF and derivatized guar-based fluid, which were used in the field. Guar-based fracturing fluids have long been the industry standard...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-179022-MS
... production, sand production, regain permeability, fracture conductivity, flash point and EC50 concentration was investigated and compared to the performance of the existing ZPAS. Zeta potential was measured using a Zetasizer Nano Z System manufactured by Malvern, rheology with Anton Paar and ARES G2, sand...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178997-MS
... affect their shortor long-term conductivity and benefit. With respect to an unconventional reservoir’s matrix permeability, induced fracture complexity or existing natural fracture conductivity can also be pressure-dependent, which will drastically affect well productivity if an operator does not...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-179025-MS
... accurate if compared to previous models. Results of tuning the mathematical model to field data show good agreement with the model prediction. Simple and explicit formulae are derived for effective evaluation of flow rate and thermal conductivity in gas wells. The proposed approach has been applied to the...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168147-MS
.... Precipitation in the formation may contribute to reduced conductivity and, therefore, lower oil production rates. Solid paraffin inhibitors delivered via hydraulic fracturing offered the best potential for success in new wells. The chemical additive treatment was designed through product selection testing...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168188-MS
... into the target fractures, or creating operational issues if removal of the proppant from the wellbore is required. As another option, proppant can be coated with a tackifier polymer to maintain propped fracture conductivity by mitigating migration and intrusion of formation particulates into the...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168179-MS
... Abstract Fluid-loss is significant for the standard fracturing-fluids without adding solid materials. One method to reduce fluid-loss is to add silica flour, although it reduces fracture conductivity. Other methods are to use wall building polymers. However, the fluid-loss is still significant...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168199-MS
... hydraulic fracturing Fluid Dynamics gas condensate well Upstream Oil & Gas dimensionless productivity index fracture conductivity evaluation gas well Oil Well flow in porous media drillstem/well testing reconciliation fracture design fractured well fracture performance...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168214-MS
... discloses the effects on crosslink viscosity, proppant transport, regained permeability, and retained conductivity. TABLE 1 SALT COMPOSITION OF SYNTHETIC-PRODUCED WATER Chemical Concentration (g/L) CaCl 2 · 2H 2 O 1.00 MgCl 2 · 6H 2 O 0.90 KCl 2.35 SrCl 2 · 6H 2 O 0.92...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168129-MS
... fractures could have very low conductivity values, depending on formation mechanical properties. Since perform propped fractures is more risky, it is important to create selection criteria to know precisely the fracture technique to be used. There is no agreement in the technical community regarding the...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168159-MS
...-concentration stimulation fluids. This approach has shown that reducing the concentration of guar ( Hawkins 1988 ) or increasing the concentration of the breaker can lead to significant increases in proppant pack conductivity ( Brannon and Pulsinelli 1990 ). Each of these approaches decreases the amount of...

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