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SPE 159413: Evaluation of Established Perforation Cleanup Models on Dynamic Underbalanced Perforating
The process of perforating in an underbalanced condition has, for many years, been a widely accepted method for ensuring
open, clean, and clear perforation tunnels that are conducive to reservoir flow. With the increased popularity of tubingconveyed
perf
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May 2013
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IPTC-17124-MS: Integration of 3D Modeling and Real-time Processing for Enhancement of Anisotropic Formation Evaluation with Borehole Multicomponent Induction Measurements
It is well known that around the world a number of oil and gas reservoirs consist of formations which are identified as
resistivity/conductivity anisotropic by borehole induction tools, such as thinly laminated sand-shale or bedded sand-sand rock
sequenc
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May 2013
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SPE 164478: Solutions for Difficult Reservoirs Direct NMR Fluid Type and Permeability
This paper presents examples of logs in three different and difficult-to-evaluate reservoirs. A reservoir with lenticular
sand, another with a thinly-bedded sand and shale sequence, and a conglomerate/mudstone reservoir are each evaluated for
fluid type
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May 2013
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IPTC 16519: Real World Solutions, Effective Fracture Treatment Design in Horizontal Wells
This paper describes how to apply data derived from dipole sonic logs in horizontal sections of a well to establish the
anisotropy along the length of the horizontal section. This information is then used to define the brittleness properties of each
sect
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May 2013
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Predicting stress-induced anisotropy around a borehole
Formation elastic properties near a borehole are often altered
from their original state due to the stress concentration around
the borehole. This could result in a biased estimation of formation
properties and in situ stress from sonic logging data.
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Feb 2013
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SPE 161097: Predicting Pyrite and Total Organic Carbon from Well Logs for Enhancing Shale Reservoir Interpretation
Accurate quantification of total organic carbon (TOC) is an important step in evaluating log data in organic-rich reservoirs.
The literature describes many log-based approaches for predicting TOC that have been introduced over the years, including
the us
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Feb 2013
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SPE 161085: Methodology for Analytic Estimation of Fast Shear Polarization Direction in HTI Formations
A new algorithm for processing cross-dipole acoustic log waveforms in formations with horizontal transverse anisotropy
(HTI) has been developed. Conventional algorithms for anisotropy processing of cross-dipole acoustic waveforms minimize
an objective fu
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Feb 2013
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SPE 163289: Laboratory Quality Optical Analysis in Harsh Environments
The petroleum industry finds, produces, ships, handles, treats, and refines fluids. Therefore, fluid identification, including
chemical and physical fluid analytics, is central to the petroleum industry and to asset management from the beginning of
explo
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Feb 2013
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SPE 159172: Petrophysical Properties of Unconventional Low-Mobility Reservoirs (Shale Gas and Heavy Oil) by Using Newly Developed Adaptive Testing Approach
Pressure testing in very low-mobility reservoirs is challenging with conventional formation-testing methods. The primary
difficulty is the over-extended build-up times required to overcome wellbore and formation storage effects. Possible wellbore
overbal
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Feb 2013
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SPE 159852: Successful Application of Electric Line Tractor Assisted Logging and Perforating Technology Saved Significant Time and Associated Rig Costs,and Set Two New Regional Records in Latin America: A Case Study
A new well logging/perforating challenge arose from a High Slanted (HS) exploratory well that was drilled in
Colombia. The HS exploration well (75 degrees inclination) was drilled in the "Llanos Area" to 18,040 ft MD.
Available logging and perforating te
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Feb 2013
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