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Keywords: sidetrack
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Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 7–9, 2023
Paper Number: SPE-212541-MS
... wellbore when drilling and completing the new branch should preferably be used. The temporary plug arrangement should be installed on wireline in underbalance prior to rig operations. With RMLT sidetrack from the production casing above production packer it will often be convenient to plug the well...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208759-MS
... Abstract Unplanned sidetracks are low-frequency high-cost events that have meaningful negative impact on the economics of oil field development. While it is clearly desirable to reduce the frequency and severity of unplanned sidetracks, without a robust baseline for event frequency it can...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 8–12, 2021
Paper Number: SPE-204134-MS
... not be drilled. The target area for the Fensfjord reservoir with the A-36 A well path was planned with a slot recovery to retrieve (cut and pull) the upper part of the 9 5/8-in, 13 3/8-in and 18 5/8-in casing to surface and perform a sidetrack over a cement plug in 24-in hole size just below the 28-in conductor...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 1–3, 2016
Paper Number: SPE-178885-MS
... with the different concepts and some of the initial cost and production results. Open-hole sidetracks along with cased-hole whipstocks are used to initiate the multilaterals. The reservoir requires stimulation, which necessitates running a packer and sleeve system typically run on a 4-1/2″ liner. After stimulation...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 17–19, 2015
Paper Number: SPE-173046-MS
... Abstract The maturation of fields in the Gulf of Mexico shelf means that many future sidetracks and recompletions will require drilling through depleted formations. The difficulty of drilling through such formations is especially high when adjoining zones are over-pressured since the mud weight...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference, March 5–7, 2013
Paper Number: SPE-163568-MS
... and retrieve the 11-¾-in. liner so that a kick-off plug and a sidetrack could be run later. The bottomhole assembly (BHA) was made up to five 8-¼-in. drill collars and a jar stand; the BHA was run into the hole on 5-½-in. heavy-wall drillpipe (HWDP) and 5-½-in. drill pipe. The top of the expandable...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference, March 5–7, 2013
Paper Number: SPE-163525-MS
... of 20,000 ft, targeted the Yellow sand in the Ursa-Princess section of the greater Mars-Ursa basin. During the drilling of the original hole, a subsequent sidetrack and two mechanical bypasses, a number of significant hole problems materialized which caused extensive non-productive time and an associated...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 6–8, 2012
Paper Number: SPE-151147-MS
...Status of Coiled Tubing Drilling on the North Slope Abstract Since 1994 Coiled Tubing Drilling (CTD) has completed over 650 sidetracks on the North Slope of Alaska. In many aspects the window milling and drilling phase can be considered a mature technology. However, recent developments...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 1–3, 2011
Paper Number: SPE-139855-MS
... Abstract This paper discusses the planning and execution of the first successful short-radius sidetrack in deep gas drilling in Saudi Arabia. ANDR-XYZ was sidetracked from vertical at 12,242 ft and built inclination to 90° with maximum dog leg severity recorded as 39°/100 ft. Thereafter...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, February 2–4, 2010
Paper Number: SPE-128789-MS
... upstream oil & gas bha tool face measurement wellbore reservoir tool face azimuth information survey data btf sidetrack application directional drilling curvature deviation measurement point well path dogleg severity dl drilling operation Introduction In directional drilling...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 17–19, 2009
Paper Number: SPE-118705-MS
... reacted to the result, evaluated a recently acquired seismic dataset, updated the structural model, examined the options and successfully drilled a sidetrack. Utilizing long step-out wells, though challenging, is the only viable alternative to access difficult-to-reach deepwater reservoir targets...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 17–19, 2009
Paper Number: SPE-119262-MS
... Abstract This paper presents the results of a five-well extended reach drilling (ERD) sidetrack program in offshore California. The challenges of drilling the ERD sidetracks were compounded by potential drilling hazards, the limited capability of rig equipment, and extensive activities required...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 17–19, 2009
Paper Number: SPE-119567-MS
... from 6,354 to 7,327 m; the deviation at the 9⅝-in. casing being 42 degrees. The bottomhole static temperature (BHST) was 205°C and maximum mud weight 2.15 sg. The well was successfully drilled to TD, but two stuck-pipe incidents necessitated sidetracks. Despite these operational incidents...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 17–19, 2009
Paper Number: SPE-119695-MS
... fluid chemistry drilling operation laffan shale Aruma drilling fluids and materials water-based mud shale offshore Dubai reservoir application hydrocarbon reserve offshore dubai directional objective drilling conference asphaltic material system sidetrack Hpwbm build section spe iadc...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference, March 4–6, 2008
Paper Number: SPE-112662-MS
... sands. In conventional drilling, borehole stability is achieved solely with the hydrostatic pressure of mud density. The challenge of a reduced fracture gradient is further compounded in redevelopment sidetracks when the existing well geometry yields higher annular friction pressure, or equivalent...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference, March 4–6, 2008
Paper Number: SPE-111647-MS
... constrained, ERD sidetracks from existing ERD wells became necessary. Some of these sidetracks required highly complex three-dimensional profiles to reach the new targets. This paper discusses some of the challenges drilling offshore California and how the use of extended reach drilling techniques allowed...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference, March 4–6, 2008
Paper Number: SPE-112365-MS
... a new point-the-bit, rotary steerable system with a high dogleg capability has been utilised for successful landing of these wells into reservoir sections without need for pilot holes or mechanical sidetracks. Additionally a new LWD tool that allows monitoring of the distance and direction to formation...

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