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Deviated well

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Proceedings Papers

Paper presented at the SPE/AAPG Africa Energy and Technology Conference, December 5–7, 2016
Paper Number: SPE-AFRC-2554270-MS
... to hydrocarbon reserves; so, formulating a development plan was challenging. The field development plan consisted of three oil producers to produce from the Oligocene reservoir. To enhance oil recovery, horizontal wells (80 to 89° deviation) with single completion strings were designed to maximize reservoir...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2011
Paper Number: OTC-21796-MS
... Abstract: Deviated well is the widely-used drilling well for offshore oil exploration and exploitation is limited by platform. Besides, owing to limited lifetime of drill platforms, simultaneous extraction is popular in exploration, and reservoir's anisotropy problems show up. In order...
Journal Articles
Petrophysics 44 (03).
Paper Number: SPWLA-2003-v44n3a3
Published: 01 May 2003
...Ertan Peksen; Michael S. Zhdanov ABSTRACT In this paper we study the principles of tensor induction well logging (TIWL) in a deviated well in an anisotropic medium. We examine the theoretical formulae for the tensor apparent conductivities of the transverse anisotropic medium, developed...
Proceedings Papers

Paper presented at the 2002 SEG Annual Meeting, October 6–11, 2002
Paper Number: SEG-2002-0308
... Summary We develop the principles of tensor induction well logging (TIWL) in a deviated well in an anisotropic medium. We examine the theoretical formulae for the tensor apparent conductivities of the transverse anisotropic medium, developed for an ideal tensor induction instrument...
Proceedings Papers

Paper presented at the SPWLA 42nd Annual Logging Symposium, June 17–20, 2001
Paper Number: SPWLA-2001-R
... instrument in a deviated well penetrating a transversely isotropic medium. The foundations of the TIWL method were developed in Zhdanov et al. (2001), where the low frequency approximations for the quadrature components of the induction tensor were derived. In this paper we further examine the basic...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Europec featured at 82nd EAGE Conference and Exhibition, October 18–21, 2021
Paper Number: SPE-205218-MS
..., consequentially undulating the current oil/water contact (COWC). As a result, there is high uncertainty of the current oil/water contact (COWC) that impacts the drilling strategy in the field. The typical approach used to develop the field in the lower part of carbonate is to drill deviated wells to original oil...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 12–14, 2021
Paper Number: SPE-205592-MS
..., selectivity between zones is necessary to maximize oil and gas recovery. Wells SX and NX are located in the Sisi-Nubi field offshore Mahakam. These wells were completed with 7-inch casing with high deviation, up to 84 deg of inclination. Both well are designed as Gravel Pack treatments with completion...
Journal Articles
Journal: SPE Journal
SPE J. 26 (02): 538–550.
Paper Number: SPE-204458-PA
Published: 14 April 2021
... the Coulomb friction coefficient will increase the gaps between these graphs, but this is not shown here. The dashed vertical lines in all plots in Fig. 4 show where the well is deviated 30 and 60° from vertical. Fig. 4 Normal accelerations for section five together with plots that describe...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21864-MS
... Abstract The completion of a highly deviated well involves overcoming significant deployment challenges during the drilling operations that require precise and effective conveyance and intervention. The conventional slickline intervention is unsuitable for wells with more than 60° deviation...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 22–25, 2021
Paper Number: SPE-204399-MS
... deployment method proved unsuccessful, because of hold ups that occurred while running in hole—due to a well trajectory of 72 degrees deviation and 4.579 deg/100 ft dog leg severity, coupled with the small tubing inside diameter (ID) associated with the slim 3 ½ in. completion. Furthermore, it was found...
Proceedings Papers

Paper presented at the Offshore Technology Conference Asia, November 2–August 19, 2020
Paper Number: OTC-30325-MS
... Abstract As the industry rebounds from recent pricing challenges, operators are searching for methods during each stage of their well—from drilling to production—to make the field more economical without compromising safety, health and quality. This paper describes a different method...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 11–13, 2020
Paper Number: SPE-203698-MS
... through placement of 575 ft of cement plug in the 3 1/2-in. tubing from 6,511 to 5936 ft MD. A rigless through-tubing balanced cement plug concept for cement packer installation and reperforations was deployed to access behind pipe oil reserves in a high-angle (69 to 72º) deviated well, Offshore Niger...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30811-MS
... a deviated exploration well in the southern part of the Norwegian North Sea. The large 300 bar pore pressure uncertainty in the reservoir made it necessary to land the 9 7/8-in casing shoe as close as possible to the reservoir to maintain a safe kick tolerance. The pre-drill depth uncertainty of +/- 75m...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195814-MS
... naturally with production. Figure 2 Log of B reservoir showing perforation intervals and cement channeling on ultrasonic image log Considering the foregoing, perforating this long section of multi-lobes reservoirs (as seen in the perforation panel in Table 1 ), for a highly deviated well...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 5–7, 2019
Paper Number: SPE-198727-MS
... was the engineering design, as this was the first time a catenary cement operation of more than 31.8 m 3 (200 bbl) of slurry would be pumped through coiled tubing (CT), in addition to the high well deviation (~79°) consideration for installation of the cement retainer. Additionally, insufficient deck space...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 5–7, 2019
Paper Number: SPE-198757-MS
... Abstract This paper demonstrates how 280ft of oil column spread unevenly across multiple and differentially depleted reservoir units separated by shale layers of varying thicknesses in a highly deviated (62 deg.) well was perforated in a one trip system and how the project cost was minimized...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 5–7, 2019
Paper Number: SPE-198836-MS
...) below the tubing punch interval in the tubing-casing annulus. The cement packer installation design was for accessing bypassed hydrocarbon in high-angle (65 to 72º) deviated wells offshore the Niger Delta. Design considerations are reviewed and precautions for placement of high angle cement packer...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19449-MS
... Abstract The Jurassic fractured sandstone gas reservoir has low permeability and strong heterogeneity in northern Kuqa depression in Tarim Basin. Therefore, the use of highly deviated well will be an effective way to improve efficiency of natural gas development. But the drilling of highly...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 12–15, 2018
Paper Number: SPE-193150-MS
... Most wells in the United Arab Emirates (UAE) are drilled highly deviated or partially horizontal to improve reservoir drainage and productivity, from a central location. These wells pass through various overburden formations before reaching the target reservoirs and some of these formations...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition, March 27–28, 2018
Paper Number: SPE-189952-MS
... retrieval. Tests carried out on surface to attempt to latch a GLV through the sand proved ineffective, even with jarring. To further optimise production, SPMs are being installed at increasing well depths, enabling deeper gas injection into the tubing. Placing SPMs into the high angle section of deviated...

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