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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
61 - 80 of 370 results
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Probable Reserves and Prospects for Exploration and Development of Oil and Gas Deposits in the Russian Arctic Seas
Authors A. Piskarev and M. ShkatovThe last decade offshore oil and gas has become the main source of growth of the world's hydrocarbon reserves.
Special interest to the geological structure of the Russian Arctic Seas comes from very high hydrocarbon potential of their
sedimentary basins, which are expected to take a leading role in future world power supply.
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Design, Testing, Qualification and Application of Orifice Type Inflow Control Devices
More LessInflow control devices (ICD) are a relatively new type of completion component which are used in a wide range of wells.
The ICD introduces a small controlled pressure drop which is used to modify the inflow profile from the formation into the
completion. When combined with effective zonal isolation this modification of inflow has a number of benefits. It promotes
an even inflow and removes the tendency for a high flux at the heel of the well. It also reduces the flux from highly
permeable zones such as fractures. Both these benefits reduce the tendency for premature water or gas production and
increase the oil recovery.
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Drill Cuttings Injection and Monitoring for a Remote Pad Drilling Operation on an Environmentally Sensitive Site in Peru
Assurance of a successful and environmentally sound long-term cuttings injection program requires monitoring and
periodic analysis of injection performance response. Such a program provides for operational oversight and the ability
to identify changes in performance response or trends, thereby providing for modification of operating parameters to
optimize performance and minimize the negative impact of unexpected responses.
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An Integrated Approach to Environmental Data Management at Imperial Oil’s Cold Lake Operations
Authors U. Becker, P. Groch, K. Johnson, J. Haverhals and T. HarbarenkoImperial Oil’s Cold Lake Operations maintains a large collection of environmental data in support of its field activities. The
scope of environmental data collected is extensive -- for example it includes over 700 groundwater monitoring wells.
Analytical data derived from air, water and soil samples is supplemented with survey data, high resolution topographic data
and aerial and satellite imagery.
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Proactive Geosteering in Thin Reservoir Bounded by Anhydrite in Saudi Arabia
Authors A. Al-Hajari, A. Soremi, S.M. Ma, A. Julaih, T. Thompson, G. Saghiyyah, A. Lotfy, M. Bayrakdar, M. Bittar and R. ChemaliThin reservoirs of a few feet in thickness present a clear challenge to well placement. Drilling out of the target is a real
possibility, and plugging back and reentry can be extremely difficult. Clearly, the best solution is to avoid exiting the target
reservoir by detecting approaching boundaries as early as possible and by remaining at an optimal distance from the
boundaries. This practice is known as “proactive geosteering.” In recent developments, wave resistivity LWD and azimuthal
wave resistivity sensors have been shown to effectively facilitate proactive geosteering. Their abilities to scan laterally several
feet, up to more than 10 ft, around the wellbore and to identify the relative azimuth of approaching boundaries have been
instrumental in recent successes.
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Advanced Production Logging Review of a Number of Horizontal Wells in the North of Oman
Authors T.K. Chang, L. Mieles and P.J. TarabbiaPetroleum Development Oman (PDO) has some 30 active
fields in the North of Oman which produce from both
Carbonates and Clastics. About a third of all wells in the
North are horizontal and/or multilateral of various vintages
with a large variety of completion environments i.e.
barefoot, perforated cased hole, Elastomer Zonal Isolation
Packer (EZIP) completions and Electric Submersible
Pump (ESP) wells.
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Keeping Shale Formation Stability by Optimizing Drilling Fluids, in Yangta Oil Field, Western China
More LessIn this paper, the effects of drilling fluids on shale strength have been tackled, and a case study has been presented to
study the instability mechanism and the stability methodology in the shale formation. A program has been undertaken to
develop a better understanding of the effects of the using polymer drilling fluid on the shale mechanical properties and how
to modify its performance.
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Multi-Stage Stimulation Technique Boosts Production for Horizontal Wells in Kuwait
Authors S. Desai, N.H. Gazi, H. Al Ajmi, B. Al-Matar, H. Liu, A.H. Majid and B. JohnstonIn recent years, horizontal well technology has evolved as the more favorable option in the Middle East over the conventional
vertical and deviated wells. The advantages are (a) maximum reservoir contact, (b) higher production rate and (c) better
access to reserves.
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Data Integration, Analysis and Visualization for Knowledge Management in Oil and Gas Upstream Industry—An Emphasis on Using Advanced GIS Technologies
By P. KumarThe oil and gas upstream industries operate on its strength of its natural resources, its infrastructure, processing
facility and technology, human resources and the most important energy products market demands. If one of the
factors fluctuates, it affects the industry operations, planning and production. By nature everything is not gifted there
are strengths and weakness, resources without capital, knowledge without management, will to do but lack of
technology, strength in execution but with no quality no core know how, success with no sustainability, vision with no
decision making, and so on so forth. To be a successful venture it is important to make use of best available
resources and meet rest of shortcoming by best possible practical approaches. Every one could be a master in his
own domain expert but to be a master of all in a particular capital venture one need to understand all available data
collectively as teams and groups by analyzing, sharing experience, know how and knowledge.
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Choose the Right Gas Dehydration Method and Optimize Your Design
By R. SalamatGas dehydration is a very important and integral part of gas production in the upstream and downstream petroleum
industry and yet its criticality in term of safe gas operation and design costs are often underestimated or
misunderstood.
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Successful Implementation of a Gas Injection Trial in a Low-Permeability Carbonate Reservoir, Offshore Qatar
Authors K. Mogensen, S. Frank and R. NomanThis paper describes the planning and the successful implementation of a lean gas injection trial conducted in the lowpermeability
Kharaib B carbonate reservoir of the Al Shaheen field, offshore Qatar.
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Importance of Risk Tolerance Criteria in the Application of Quantitative Risk Assessment in Oil & Gas Industry
By D. VeeranaThe Chemical, Petrochemical and Oil& Gas industry has had an excellent safety record
when compared with industry as a whole1. Nevertheless few major incidents like MIC gas
leak in Bhopal, LPG plant explosion in Mexico etc. with heavy loss of life led to public
concern about the hazards of process industry, resulting in legislations requiring
manufactures to demonstrate that appropriate safety measures are taken. This led the
industry to resort to predictive Quantitative Risk Assessment Technique (QRA)
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Screening of EOR Processes for the Kharaib B Reservoir of the Giant Al Shaheen field, Offshore Qatar
Authors S. Frank, P. van Lingen, K. Mogensen and R. NomanThis paper describes the enhanced oil recovery (EOR) studies conducted for the low permeability Kharaib B carbonate reservoir of the Al Shaheen field, located offshore Qatar. The reservoir is characterised by large lateral variation in oil properties (Lindeloff et al., 2008), lateral uniformity in geological and petrophysical properties over large distances, a relatively thin oil column in a transition zone, and the presence of local gas caps. The Kharaib B reservoir is currently undergoing water-flooding, which is reaching maturity in parts of the field.
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Water Flooding Efficiency in a Low-Permeability Mixed-Wet to Oil-Wet Carbonate Reservoir; A Case Study from the Kharaib B Reservoir in the Al Shaheen Field, Offshore Qatar
Authors S. Frank, M.H. Pedersen, P. van Lingen and R. NomanThis paper describes the studies and measurements performed to assess the sweep efficiency and remaining oil saturation
after water flooding in the mixed-wet to oil-wet, low permeability Kharaib B carbonate reservoir, which is further
characterized by pronounced homogeneneity of the reservoir matrix and substantial lateral variation in fluid properties. The
Kharaib B reservoir is developed with extended reach horizontal wells and has been successfully water flooded since the field
development started in the mid-1990s.
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Exploration Petrophysics for Intra-Salt Carbonate in Ultra Saline Environment
Authors V. Saxena and T. McDonaldIntra-salt carbonate stringers are the Early Cambrian source rocks and reservoir in the South Oman salt basin. Reservoirs are
over-pressured and drilled with salt-saturated heavy barite mud. Formation water is ultra-saline (>300kppm), general
porosities are low (< 7%) and salt is often found filling part of the pore space. Each reservoir character creates a contrasting
scenario for resistivity evaluation.
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HT Deep Horizontal Gas Drilling in Challenging Conditions
Authors M. Nasrumminallah, M. Sharafi, A.R. Karimpour, S.A. Faisal, H. Obame and A. Al-YaqoubiReservoirs consisting of sandstone and conglomerates nature present the most challenging reservoirs in the
fields of North Oman. The target formations are often very deep with elevated static bottomhole temperatures
exceeding 157degC, and with severe potential risks associated with geo mechanical and drilling perspectives.
Tectonic stresses, where principal horizontal stress greatly exceeds vertical and minimum horizontal stresses, are
coupled with rock compressive strengths varying between 45,000 and 50,000 psi with medium abrasiveness.
These factors, together with borehole instability, borehole break-out phenomena, problems with conventional
steerable systems due to weight transfer using turbines as well as drill bit sticking, present particular challenges in
these wells and require significant up-front engineering resources to be deployed.
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Massive Hydraulic Fracture Stimulation in South Oman
Authors J. Irvine-Fortescue and O. ShoufiThis paper revisits the unique Athel reservoir formation in a south Oman oil field, and gives an update on the latest hydraulic
fracture treatment strategy used. To improve the understanding of fracture performance, various fracture diagnostic options
have been field tested and details will also be presented.
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How to Feed Gas Plants with Uncontaminated Effluents and How to Avoid Environmental Pollution During Testing/Cleaning Operations of Newly Drilled/Worked-Over Gas Wells
By A.M. AhmedGas plants are normally designed to receive/treat clean natural gas streams free of
residuals of high salinity water and solids (such as: black powder, cement particles, drilling
cuttings, etc.).
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Sensitivity Studies of Horizontal Wells with Hydraulic Fractures in Shale Gas Reservoirs
Authors X. Zhang, C. Du, F. Deimbacher, M. Crick and A. HarikesavanallurProducing natural gas from shale gas reservoirs has gained momentum over the past few years in North America and will
become an increasingly important component of the world’s energy supply. A shale gas reservoir is characterized as an
organic-rich deposition with extremely low matrix permeability and clusters of mineral-filled “natural” fractures. Shale gas
storage capacity is defined by the adsorbed gas on the organic material within the shale matrix and free gas in the limited
pore space of the shale rocks. Horizontal drilling and hydraulic fracturing are the primary enabling technologies to obtain
economical production from the shale gas reservoir.
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Depletion Effects on a Currently Active Fault and Existing Subsidence Bowl: Geomechanics Assessment—Giant Field Northern Oman
Authors L. Qobi, J. Ita, C. von Winterfeld, J. Shukaili and I. QusseimiThis paper discusses the Geomechanical interaction between vertically stacked reservoirs, two of which are currently
producing and deeper reservoirs that are being considered for development. The shallowest Natih reservoir is a highly
compacting carbonate gas reservoir under depletion whereas the intermediate Shuaiba reservoir is an oil-bearing reservoir
under water flood. The deeper reservoirs are oil and gas bearing located in the Sudair and Khuff formations.
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