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Keywords: shale
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Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175735-MS
... to marine Zubair clastic sequence of onshore Kuwait. A deviated 8.5-in. hole section of the well was planned through sand-shale sublayers with a borehole inclination ranging from 46 to 88°. This section is characterized by time sensitive borehole deterioration and significant variations in pore pressure...
Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175710-MS
... sandstone, siltstone, and shale—along with the variance of such interbedding across the field—has been a significant challenge for well planners and has adversely affected cost per foot. The application is characterized as predominantly abrasive and impact-intensive in the same section, hence challenging...
Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175830-MS
... petroleum potential rich type II kerogen that reached the oil and gas window zone subdivided into three Units (Unit 1, Unit 2 and Unit 3). The Fegaguira Hot shale (Unit 1) exhibits good to excellent organic content, ranging from 3.45 to 20%, good petroleum potential ranging from 8.84 to 55.64 Kg HC/t...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164783-MS
... deposits, is considered to be the best Jurassic potential reservoir rock in the Jeffera basin. The Callovian shales appear to contain the best potential for source rock off all units in the Jurassic, showing poor to good TOC contents (up to 3.27% TOC) and good petroleum potential up to 10 kg of HC/ton...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-149017-MS
... thin sand shale laminations with average thicknesses of 1cm and 2cm respectively (Lamcount Data Summary Table of an example well) are hard to be detected even on high resolution image logs recorded in oil base muds and the conventional logs do not give true property values. There are two general log...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-150830-MS
... mature and whether it is capable to generate gas. The second aims to introduce a simple screening scheme that can help in making decisions while going after unconventional shale gas reservoirs. Guideline and comparison tables have been created at the end of the study based on available published...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 14–17, 2010
Paper Number: SPE-127826-MS
... Abstract Oil-based fluids (invert emulsion fluids) have for many years been the fluid of choice for use in challenging hole sections. These fluid systems can bring many advantages, including optimal shale stability, low torque and drag, good resistance to contamination, and high drilling rates...

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