Extended Lateral Solutions for an Extremely Difficult Well Trajectory
- Larry Albert (Allied-Horizontal Wireline Services) | Jason Booher (Allied-Horizontal Wireline Services) | Anthony Wilson (Allied-Horizontal Wireline Services) | Fraser Hamilton (Impact Selector International) | Jason Hradecky (Impact Selector International) | Dustin Dunning (Wireco WorldGroup) | Vadim Pratosov (Wireco WorldGroup)
- Document ID
- Society of Petroleum Engineers
- SPE Eastern Regional Meeting, 15-17 October, Charleston, West Virginia, USA
- Publication Date
- Document Type
- Conference Paper
- 2019. Society of Petroleum Engineers
- High Dogleg Severity, Extend Laterals, Difficult Well Trajectory, Peforating, Pump-down plug & perforation
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- 42 since 2007
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|SPE Member Price:||USD 9.50|
|SPE Non-Member Price:||USD 28.00|
An E&P operator was developing a reservoir and planned a horizontal well in an area where zones above the target cause drilling problems when trying to build angle and land the horizontal lateral. The operator suffered drilling difficulties on offset wells; therefore, it was decided to change the drilling plan for this prospect. The new plan required drilling through the target reservoir, into the formations below and then drill back up dip to the target. After reaching the base at a measured depth of 14,000 ft. the well plan required drilling up at maximum of 114° until reentering the target reservoir. Because of faulting in the area and required well direction, the target reservoir was dipping up at ∼10° laterally in the direction of the horizontal drilling target. To maintain position in the reservoir, the well had to drilled at ∼100° deviation to a measured depth of 21,100 ft.
This wellbore trajectory made normal wireline plug and perforating completion operations extremely difficult. The wellbore trajectory meant high frictions on the wireline when coming off bottom. Also, due to the toe-up trajectory there was risk the wireline tools would slide down the inclined casing during and after plug setting and perforating. If the tool position could not be maintained there was risk the wireline cable could be entangled and a stuck tool could result. If the tools overrun the wireline cable the result could be wireline cable next to the perforating guns when detonated and wireline cable severed. The E&P operator needed to know if this challenge could be met.
Alternatives to pump down plug and perforating could be very expensive (estimated $millions):
Continue drilling attempts building angle above the target,
Reposition surface location and drill down dip,
Reduce angle and shorten lateral in target, or
Coiled tubing conveyed plug and perforating completion.
To meet the challenge several new methods and technologies developed for extended laterals were utilized. These products and methods included: advanced risk deployment modeling, jacketed wireline cable, addressable separation tool and downhole tension tool.
|File Size||6 MB||Number of Pages||11|
WireCo WorldGroup Camesa Cable Electro-Mechanical Cables product catalog, pages 3, 4, 12 and 44 (http://www.camesaemc.com/Resource_/PageResource/CamesaEMC%20Catalog-Form%20No.%201091M-small%20file.pdf)
WireCo WorldGroup Camesa Cable Technical Bulletin 009 (Drum Crush) http://www.camesainc.com/Resource_/TechnicalReference/2381/Camesa_TechBulletin-009.pdf
WireCo WorldGroup Camesa EcoSeal® press release (https://wireropeexchange.wordpress.com/2014/06/16/new-camesa-cable-helps-to-clean-up-speed-up-wireline-industry/).
Impact Selector International SMART Sens™ (https://www.impactselector.com/pump-down#pdsmartsense).
National Oilwell Varco Cerberus™ well planning software https://www.nov.com/Segments/Completion_and_Production_Solutions/Intervention_and_Stimulation_Equipment/Coiled_Tubing/CTES/Software/Cerberus/Cerberus.aspx