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Keywords: reservoir
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Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 27–29, 2025
Paper Number: SPE-225669-MS
... planning and successful execution for first of its kind application of drilling herringbone wells in extremely long ERD drain hole in a multi-layered heterogenous reservoir in UAE. This method involves well design where multiple herring bone, which is +/-1000’ lateral branches connected with main bore...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 27–29, 2025
Paper Number: SPE-225678-MS
... in a marginal faulted reservoir is challenging with a horizontal displacement up to 9-km and a horizontal displacement to vertical depth (H/V) ratio up to 4.4. Critical engineering challenges include high friction and torque, weight transfer inefficiency and depth system error, etc. Furthermore, uncertain...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 27–29, 2025
Paper Number: SPE-225731-MS
... The conventional methods to deploy liner hanger in a single trip become particularly challenging when excessive "weaker reservoir/formations" are involved. Running a liner in a weak reservoir requires careful planning and advanced technology to mitigate the associated risks of formation...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 27–29, 2025
Paper Number: SPE-225763-MS
... production due to its mature status and the complexity of its multiple producing reservoirs. To overcome these challenges necessitates the application of meticulous planning and innovative technology. The initiatives are designed not only to enhance recovery from the field but also to ensure its sustained...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 23–25, 2023
Paper Number: SPE-214573-MS
... Objective To obtain the major benefits of having a long open hole completion with maximum multiple reservoirs contact, full control and optimization over the flow without coil tubing intervention have become a challenge for the operators. This paper presents a step change in the engineering...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 23–25, 2023
Paper Number: SPE-214567-MS
... Abstract The Mumbai High field in Western offshore of India presents major challenges to both drilling and liner running operations, because of reservoir being depleted and severe lost circulation conditions. Thus Liner while drilling, a new technology was deployed as a pilot Project to drill...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 23–25, 2023
Paper Number: SPE-214587-MS
... Abstract To overcome the challenges of drilling depleted reservoirs, a new technology was needed as part of a cost-effective solution. An innovation campaign was facilitated by a major oil company R&T (research and technology) department in the North Sea to identify concepts enabling high...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 23–25, 2023
Paper Number: SPE-214627-MS
... monitoring of the pressure and temperature and periodic logging to evaluate the reservoir. The newly drilled lateral can be the primary producing lateral; rigless access equally helps recover the well in case of any production challenges. The newly designed multilateral is a game changer for both mature...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 23–25, 2023
Paper Number: SPE-214601-MS
... Abstract ADNOC onshore's reservoir development strategy has historically been to drill barefoot wells and perform interventions as production deteriorates. Barefoot wells increase flexibility, lower cost, and reduce operational risk, but unbalanced fluids influx, and early water/gas...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 23–25, 2023
Paper Number: SPE-214575-MS
... in this study were constructed as extended reach drilling (ERD) wells with the 9 5/8″ production casing placed across a carbonate reservoir at an inclination of 90°. Major challenges encountered were overcoming high equivalent circulating densities (ECD) in a single-stage job, requiring cement to surface...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 23–25, 2023
Paper Number: SPE-214616-MS
... and soft landed above the reservoir and later drilled 8.5" hole section to total measured depth of above 37,605ft (11.642 km) with having horizontal section of above 20,000ft with directional difficulty index (DDI) of 7.541 using heavy casing design. Planning of this well commenced by meetings...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 23–25, 2023
Paper Number: SPE-214642-MS
... technology. Flexible drill pipe and drill bit was used in Well WZ-X1 to perform kick-off operation with only 2.4 m footage to increase inclination from 37 °to 87 °, and hold its inclination by drilling 60-62 m alongside reservoir with trajectory control margin of ±2°. This paper highlights the trajectory...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 23–25, 2023
Paper Number: SPE-214654-MS
..., the challenge was to drill Slimhole ERD (6-1/8″ lateral) wells with water-based mud (WBM) . WBM is more cost-effective, environmentally friendly, and less damaging to the reservoir than OBM (oil-based mud). The use of WBM instead of OBM can save $2MM per well. The major challenges in drilling Slimhole (6-1/8...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 23–25, 2023
Paper Number: SPE-214641-MS
... Abstract In a Middle East oilfield, reservoirs are characterized by high temperature, high salinity, high CO 2 / H 2 S content, and low pH, which leads to harsh corrosive environment. With development of the field, the increasing water cut and application of CO 2 -EOR technology have made...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 23–25, 2023
Paper Number: SPE-214643-MS
... Abstract Marginal reserves are an important play in future energy development. Based on the statistics of China National Petroleum Corporation (CNPC), the low permeability and unconventional reservoirs occupied 92% of newly found proven reserves in China. To overcome challenges such as poor...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 25–27, 2021
Paper Number: SPE-202163-MS
..., it is required to recover existing completion string and perform sidetrack from mother hole. All of these inactive wells were completed with various types of completion designs and were producing from Multi reservoirs having many sub layers. Most of these inactive strings have existing completion installed...

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