Schlumberger

Technical Paper: The First Successful StimMAP Job in the Middle East, Deep Tight Gas Exploration Well in Oman

Society: SPE
Paper Number: 163985
Presentation Date: 2013
 Download: The First Successful StimMAP Job in the Middle East, Deep Tight Gas Exploration Well in Oman (3.90 MB PDF) Login | Register

 

Abstract

In 2011, Petroleum Development Oman LLC (PDO) drilled a deep tight gas well to test the Amin formation in northern Oman. Hydraulic fracture stimulation is necessary for production from this tight unconventional reservoir. In order to better understand and evaluate the hydraulic fracture treatment, a 3-component (3C), 8-level borehole seismic array was deployed in a nearby well for hydraulic fracture monitoring. Due to high bottom-hole temperature (BHT) of 175 º C, operational procedures were developed to successfully acquire Microseismic events generated by the hydraulic stimulation. Anisotropic velocity model calibration and sensors orientation were the key factor in the accurate location of Microseismic events in 3D space. Integration of the Microseismic event locations with hydraulic fracture pumping data, prior and post job logs lead to a successful interpretation of the Microseismic results.

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