Sweetspotting of the First Appraisal Campaign of Unconventional Resource Play in Kuwait
- Srinivasa Rao Narhari (Kuwait Oil) | Samar Al-Ashwak (Kuwait Oil) | Vijaya Kumar Kidambi (Kuwait Oil) | Neema Hussain Al-Ajmi (Kuwait Oil) | Nilotpaul Neog (Kuwait Oil) | Jonna Dayakar Rao (Kuwait Oil) | Musaed Y m Al-Dousiri (Kuwait Oil) | Acharya Mihira Narayan (Kuwait Oil) | Fidan Erkan (Kuwait Oil) | Qasem Dashti (Kuwait Oil) | Christophe Darous (Schlumberger) | Sandeep Chakravorty (Schlumberger) | Stephen Miller (Shell)
- Document ID
- Society of Petroleum Engineers
- SPE/EAGE European Unconventional Resources Conference and Exhibition, 25-27 February, Vienna, Austria
- Publication Date
- Document Type
- Conference Paper
- 2014. Society of Petroleum Engineers
- 2.5.1 Fracture design and containment, 1.6.9 Coring, Fishing, 5.2.1 Phase Behavior and PVT Measurements, 1.6 Drilling Operations, 5.6.4 Drillstem/Well Testing, 4.6 Natural Gas, 1.12.3 Mud logging / Surface Measurements, 5.8.2 Shale Gas, 7.6.2 Data Integration, 1.2.3 Rock properties, 1.1 Well Planning, 2 Well Completion, 5.6.1 Open hole/cased hole log analysis, 5.2 Reservoir Fluid Dynamics, 5.1.2 Faults and Fracture Characterisation, 3.2.3 Hydraulic Fracturing Design, Implementation and Optimisation, 1.2.2 Geomechanics, 4.3.4 Scale, 5.1.1 Exploration, Development, Structural Geology, 2.5.2 Fracturing Materials (Fluids, Proppant), 1.6.7 Geosteering / Reservoir Navigation, 3.3.2 Borehole Imaging and Wellbore Seismic
- Gas, HP-HT, Unconventional, Sweetspot, Kerogen
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Organic rich Kerogen layer of Lower Kimmeridgian to Upper Oxforidan age, deposited throughout Kuwait, is a TOC rich layer with varying TOC content between 2 to 20 wt% (in the vertical section) and having an average TOC of about 8 wt%. The depth of occurrence of this layer favorably places this zone to be having potential in rich gas condensate resource in the northern part of Kuwait. This layer occurs at a depth of 14000-16000 ft with a reservoir temperature of 270°-275°F, pressure of 11000 psi and average thickness of over 50ft. This is one of the main source rocks for majority of the oil and gas fields of Kuwait. This Kerogen section is penetrated through a number of vertical wells, as part of development of deeper reservoirs in this area, which offers an excellent opportunity to evaluate this section through core and open hole log data. Because of the strong acoustic contrast with the overlying and underlying layers, this reservoir section is a very strong mappable seismic reflector.
As part of appraising the potential of this layer, as a resource play, a comprehensive success criteria has been worked out for location selection. An integration of all available geo-scientific data such as geochemical, 3D seismic attributes, petrophysical analysis, borehole image interpretations, geo-mechanical, core and mud logs has been carried out. The above data integration/analysis was combined with the success criteria, leading to selection of sweetspots for planning the first dedicated horizontal wells targeted on this layer.
This paper presents the success criteria worked out and the integration of data for high grading the locale - sweetspots, for the first set of horizontal wells for appraising this deep HP-HT unconventional play of Kuwait.
|File Size||3 MB||Number of Pages||17|