Page 61: of Offshore Engineer Magazine (Aug/Sep 2016)
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• • A ? ve-year nominal string life and 5 7/8in wXT57 Range 2 – WDP and Commercialized net value
DRILLING depreciation schedule wired HWDP Furthermore, Figure 5 shows that • • US$350,000 nominal spread rate 6 ¾in wired drill collars, NMDC and after paying for the $220,000 per well, • 45 average day wells ponys $187,000 of savings will be realized. • • A rotating hours nominal inspection 8in wired drill collars, NMDC and Given this is considering simply the cycle interval per 2500 hours ponys telemetry related savings alone, any fur- • • Incremental investment costs consid- 6 ¾in and 8in wired stabilizers and ther value driven by WDP – for example ered from the provided BHA as listed in reamers value-adds such as increased on bottom the analysis Additional IntelliServ network inte- performance, reduction in Bit/BHA runs gration equipment: etc. – will further increase the net value
Identify savings potential • Integrated top drive DataSwivel realized. In the cases referenced in this
The well analysis of wells A and B iden- Wired saver subs discussion for Total, Martin Linge and • • ti? ed multiple telemetry time events, Surface cabling (from DataSwivel sta- E.ON Ruhrgas, Babbage the value-adds which were quanti? ed from the time- tor through service loop and down the were compelling and measurable. based logs and summarized in Figures derrick to the mudlogging/MWD unit) 1 and 2. The telemetry and value-add The total incremental cost of the Leon Hennessy is savings are outlined in Figure 3. The wired BHA was $1.68 million, or when business develop- focus of the analysis is purely on the depreciated over the life of the string on ment manager for automatic telemetry savings which does this project, $42,000 per well. Asia Paci? c and not discuss value-add savings in detail. In addition, there are several telem- Middle East Regions etry components provided by IntelliServ for IntelliServ. With
Incremental cost and operational to create the high-speed telemetry a career spanning expenditure network using the wired drillstring. drilling operations
The cost of WDP takes into consider- This includes a Network Controller, the and directional drilling, Leon has hands ation the incremental purchase cost of DataLinks, WDP inspection, repair and on experience throughout the life cycle a wired string, i.e. the cost above the maintenance, MWD interface subs, and of well construction. Prior to joining conventional or unwired string. The ? eld technicians. NOV, he founded an integrated services
The total normalized annual cost of main string components considering a business providing geology, reservoir, owning and running WDP is outlined in nominal well design as referenced above drilling engineering, directional drilling
Figure 4 and equates to $220,000 per well. include: and operations services.
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