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IPTC 2009: International Petroleum Technology Conference
- Conference date: 07 Dec 2009 - 09 Dec 2009
- Location: Doha, Qatar
- Published: 07 December 2009
1 - 20 of 370 results
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Gas Condensate Allocation in Un-Mixed Complex Reservoirs Using Combined Fingerprinting and PVT Technologies
Authors F. Gelin, F. Montel, J. Bickert and A. NoyauReservoir monitoring for gas/condensates fields is often considered as challenging when the production reduces the reservoir
pressure below the dew point. The induced compositional changes are usually thought to hamper the use of fingerprinting for
allocation and reservoir monitoring. Similarly fluid composition from segregated grading gas condensates reservoirs could be
significantly modified through production, thus generating fingerprinting changes.
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An Integral Approach Boosts the Value of Heavy Oil Core Analysis
Authors P.E. Carreras, J.E. Burger, T. Inouye, D.L. Barge and A. IqbalThe Large Scale Steamflood Pilot (LSP) is a project aimed to determine the feasibility of economically steamflooding the
Wafra First Eocene carbonate reservoir. The field is located in the Partitioned Neutral Zone, between Kuwait and Saudi
Arabia. The reservoir is a dolomite, with 14-20 API oil.
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Successful Multi-Stage Hydraulic Fracturing of Openhole Horizontal Wells in Hassi Messaoud Oilfield
Authors B. Achi, L. Bouazza, R. Zeghouani, A. Ferhat, B. Olaoye and H. HelouAt present, hundreds of horizontal wells have been drilled in Hassi Messaoud counting for about one fourth of the field’s
output. Among these, several wells are underperforming and could not yield the expected production. Vertical and areal
permeability anisotropies, absence of natural fractures, severe heterogeneity, reservoir damage and wellbore instability are
the main factors to blame for poor productivity. To address the problem of poor vertical communication and get past the near
wellbore damage, hydraulic fracturing has been thought of as the best solution to improve productivity.
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Applicability of SOS-FR (Steam-Over-Solvent Injection in Fractured Reservoirs) Method for Heavy-Oil Recovery from Deep Fractured Carbonates
Authors T. Babadagli and M. Al MuatasimTapping heavy-oil from fractured carbonates is a real challenge due to unfavourable rock and reservoir characteristics.
Thermal or solvent injection techniques are two possible options to mobilize -matrix- oil of naturally fractured
reservoirs by reducing its viscosity.
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The Use of Self-Healing Cement to Ensure Long-Term Zonal Isolation for HPHT Wells Subject to Hydraulic Fracturing Operations in Pakistan
Authors M. Ali, S. Taoutaou, A.U. Shafqat, A. Salehapour and S. NoorOMV (PAKISTAN) Exploration G m.b.H (along with its JV partners ENI, MND, OGDCL, PPL, and GHPL) has been
actively in drilling and stimulating HPHT wells in Pakistan since 1991.
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Gas Hydrate Problems in Desert of Sultanate of Oman: Experiences and Integrated Inhibition Program
Authors A. Nengkoda, A. Harthy, W.A. Taha, H. Reerink, M. Hajri, H. Alfred, L. Muchjin and S. PurwonoCurrently, there are more than 10 oil producing station, in both North and South area operation of Petroleum
Development Oman, which facing a unique gas hydrate problems. Most of these wells are producing by the support of
gas lift. Therefore, it is very important that the gas lift network is kept optimally operating to maintain the intended
production.
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Characterizing the Flow Units in Carbonates With Production Logging and Borehole Images: Developing a Workflow in Western Offshore India
Authors R. Avtar, K.J. Singh, P.P. Singh, C. Shrivastva, A. Pandey, K. Sikdar and A. KumarThe first ever compartmentalized flow profiling job in a horizontal developmental well in India was a success as a result of
seamless completion design, pre-job, on-job and post-job planning and job coordination. The completion strategy of the well
was the core contributor for the success of the well.
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Multiple Attenuation for the GlyVeST Seismic Data From the Faroes: An Integrated Workflow Using Modeling and SRME
Authors K.D. Nguyen and J. BrownMultiple is a long-standing problem in petroleum seismology. Despite significant achievements in developing advanced
techniques to attenuate multiples, there is currently no single multiple-attenuation technique that can be applied to attenuate all
the various types of multiples.
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Subsurface Design for Safe, Efficient and Reliable Carbon Dioxide Storage Projects
Authors J.R. Wilkinson and R.C. SzafranskiOver the past several decades the oil and gas industry has developed full-system approaches for safe and cost-effective
injection of methane, carbon dioxide and acid gas. Projects have been executed successfully in formations spanning a full
range of depths, reservoir quality, pressures and temperatures.
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Qualification and Deployment of a Unique Polymer Conformance Control System
Authors D. Brink, B. Ritchie, I. Abbasy, M. Pitts, M.R. Jaafar and D. BeamanShort circuiting between producers and injectors continues to challenge operators. A unique water-swelling polymer (WSP) system
was developed and extensively tested in the laboratory. This polymer has the ability to absorb 30 to 400 times its weight in water and
therefore can plug off high-permeability features or fractures. Because of the size of this material, it cannot penetrate most matrix
systems. Another potential application could be the control of lost circulation whilst drilling.
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A Modern Analogue for Middle East Carbonate Reservoirs: The Lagoon of Al Dakhirah in Qatar
Authors C. Bruno, I. Billeaud, C. Pabian-Goyheneche, D. Laurier, O. Dubrule, B. Klein and C. FraisseThe modern carbonate-evaporite depositional environments along the Arabian shores of the Gulf are considered as
useful shallow-marine and coastal analogues for Middle East reservoirs such as the Khuff, the Arab, the Mishrif or the
Shuaiba Fm (Alsharhan and Kendall, 2003; Warren, 2006).
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Experimental Investigation of Interfacial Interactions of Condensate/Brine/SC-CO2 Systems at High Pressure and High Temperature Conditions
Authors A. Al-Abri and R. AminThe subject of enhanced natural gas and condensate recovery by supercritical CO2 (SCCO2) injection tends to be bypassed by
researchers despite the existence of several laboratory and field studies of CO2 displacements in conventional oil reservoirs.
While the phase behavior of SCCO2/condensate system is a critical factor in determining the effectiveness of the recovery
process nevertheless, the interfacial tension (IFT) is an important parameter in verifying the efficiency of the displacement
process.
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Combining Wireline and LWD Borehole Seismic Data for Drilling HPHT Well: A Novel Approach
Authors T.K. Lim, A. Ahmed, G. Taslim and M.A. GibrataA unique integrated borehole seismic technique was used to access and mitigate drilling risk on a Petronas Carigali highpressure,
high-temperature (HPHT) exploration well offshore Sabah.
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Changing the Game in the Stimulation of Thick Carbonate Gas Reservoirs
Authors S. Thabet, M. Brady, C. Parsons, S. Byrne, S. Voropaev, T. Lesko, P. Tardy, C. Cohen and A. MchawehIn this paper we present details of the approach utilized to optimize the completion and stimulation campaign in the continued
development of a large gas carbonate field in the Middle East. A new acid diverter was deployed along with a revised
placement model, field calibrated to more accurately predict treatment pressure responses, to optimize treatment design and to
maximize diversion in this layered reservoir. Results presented include typical stimulation treatment plots alongside model
post treatment pressure history matches, pre and post stimulation production logs, clean up data and well test interpretations.
We also present details on how this new approach facilitated the execution of simultaneous drilling and well intervention
operations.
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Advancements in Near-Wellbore Stimulation with Fluidic Oscillator: Case Histories of North Africa
More LessIn North Africa oil fields, numerous old wells have been completed with 4.5- or 5-in. slotted liners. These wells have been
producing oil for several years and have a history of stimulation activity performed to clean up near-wellbore damage caused
by scale and asphaltene deposits and workover-fluid invasion.
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Meeting Complex Drilling and Subsurface Challenges Through Advanced Software Tools
Authors E.L. Mulkay and D.A. BakerExxonMobil has a strong commitment to developing and utilizing drilling and subsurface research. Previous presentations
have discussed examples of unique ExxonMobil drilling and subsurface technology. However, while individual technologies
give benefit incrementally, maximum business impact is realized only when each technology is integrated into the larger
drilling and subsurface workflow and moved from the research lab to the operational environment. Furthermore, the resulting
software implementation must be technologically sound and usable in the context of drilling and subsurface workflows to be
of business value.
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Primary Category - Sedimentology and Stratigraphy, and Depositional Environments (e.g. Framework for Geological Modelling)
Authors F. Maurer, R. Rettori, S. Cirilli and H. HillgärtnerThe availability of outcrops to study reservoir-scale geobodies is key for a successful exploration
and exploitation of subsurface hydrocarbon accumulations. The increased development of giant
gas fields in the Permian Khuff Formation in the Persian Gulf calls for more geological work in
such outcrop equivalents.
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Pore to Grid Carbonate Rock-Typing
Authors M. Rebelle, F. Umbhauer and E. PoliOften considered as a complex task, rock-typing in carbonates comes down to achieve reconciliation between
various sources of data, including high resolution logs, representative core data and dynamic data.
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Prediction of Optimum Thermal Insulation Thickness for Oil and Gas Process Piping and Equipments Using Simple Method
Authors A. Bahadori and H.B. VuthaluruSelection and determination of optimum thickness of insulation is of prime interest for many engineering applications. In this
study, a simple method is developed to estimate the thickness of thermal insulation required to arrive at a desired heat flow or
surface temperature for flat surfaces, ducts and pipes.
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A New Method to Predict Performance of Horizontal and Multilateral Wells
Authors M. Tabatabaei and A. GhalamborProduction enhancement and ultimate recovery improvement have given horizontal wells the edge over vertical wells in
many marginal reservoirs. However, it is more expensive to drill and complete a horizontal well than a vertical one.
Therefore, to determine the economical feasibility of drilling a horizontal well, engineers need reliable methods to estimate
its productivity.
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