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Depletion

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Proceedings Papers

Paper presented at the ARMA/DGS/SEG 2nd International Geomechanics Symposium, November 1–4, 2021
Paper Number: ARMA-IGS-21-109
...-field stress, as inputs for commercial simulators to design the optimum trajectory and treatment plan for infill wells. drillstem testing stress magnitude pressure depletion reservoir geomechanics drillstem/well testing pressure change hydraulic fracturing orientation phase 0 stress...
Journal Articles
Journal: SPE Journal
SPE J. 26 (05): 2793–2813.
Paper Number: SPE-205364-PA
Published: 13 October 2021
... during reservoir depletion and injection in a high-porosity sandstone (Castlegate). An overdetermined set of eight poroelastic moduli was measured as a function of confining pressure ( P c ) and pore pressure ( P p ). The results showed larger effect on pore pressure at low Terzaghi’s effective stress...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 12–15, 2021
Paper Number: SPE-206499-MS
... the waterflooding efficiency is higher than in the depletion mode based on the NPV analysis, in this work, when using similar approaches, the goal is to obtain the most general solutions to the most simplified form, for the possibility of assessing the technological aspects of the choice of the injection mode...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205878-MS
... in which fracture initiation (either longitudinal, or transverse) occurs under the given conditions. Geomechanical Effects Induced by Reservoir Depletion Abstract Abstract Reservoir depletion can impose major implications on wellbore integrity following blowouts. A loss-of-well-control event...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206318-MS
... saturation 0.83 -- Differential stress 200 psi Table 2 Depletion case designs. BHP = bottomhole pressure. Proppant strength (MPa) Closure stress (psi) BHP average decline rate (psi/day) Case 1 250 300 12.5 Case 2 100 300 12.5 Case 3 50 300 12.5 Case 4 100...
Journal Articles
SPE Res Eval & Eng 24 (03): 570–589.
Paper Number: SPE-205476-PA
Published: 11 August 2021
...Yanli Pei; Wei Yu; Kamy Sepehrnoori; Yiwen Gong; Hongbing Xie; Kan Wu Summary The extensive depletion of the development target triggers the demand for infill drilling in the upside target of multilayer unconventional reservoirs. However, such an infill scheme in the field practice still heavily...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5628-MS
... Abstract It is well known that pre-existing fractures and depletion play an integral role in the completion and production of infill wells. However, it is often left to speculation as to where and how these depleted fractures are distributed along the wellbore. To bring additional context...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1748
... ABSTRACT: The principal stress rotations axes are observed due to fluid injection into reservoirs, hydrocarbon production, and around the fractures during wellbore stimulation operation and faults. Local stress fields around the fractures will change during reservoir depletion due to the fluid...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1327
... depletion can yield the neighbouring fault; ii. In the scenario of reservoir depletion, the fault tends to yield with the hanging-wall reservoir rather than with the footing-wall reservoir; iii. The yielded region of the fault propagates upwards with a depleted hanging-wall reservoir, while mostly downward...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1038
... Abstract Over 190 gas fields have been exploited in The Netherlands and only 15-20% have been associated with induced seismicity. We assess the geomechanical characteristics of stress changes on faults due to gas depletion for 180 producing gas fields in the Netherlands. We confirm findings...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1218
... ABSTRACT: Assessing the evolution of apparent permeability of coal matrix during gas injection/extraction is crucial in coalbed methane (CBM) production. It is commonly found that permeability increases upon the primary depletion of CBM reservoirs. Such increase is mainly attributed...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, June 8–9, 2021
Paper Number: SPE-201011-MS
... A review of one of the offset well from phase 1 study with maximum amount of pressure depletion (nearly 1000 psi of depletion) was used to derive the SPF for the field. There were no losses reported while drilling the reservoir section (measured pore pressure ~4.7 ppg) with a static mud weight...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference and Exhibition, May 4–6, 2021
Paper Number: SPE-204195-MS
... To ensure an accurate base model for treatment optimization and well spacing sensitivities, a depletion modeling workflow was developed using hydraulic fracture modeling software and reservoir analytics. The use of this workflow ensured the correct stress profile in and around the future child...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference and Exhibition, May 4–6, 2021
Paper Number: SPE-204151-MS
... of these by the depleted zone around parent wells becomes more urgent and important. This understanding should include being able to predict the extent and heterogeneity of the depleted region near the pre-existing wells, the resulting altered stress field, and the effect of this on newly created fractures from adjacent...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference and Exhibition, May 4–6, 2021
Paper Number: SPE-204191-MS
... Abstract Recovery factor for multi-fractured horizontal wells (MFHWs) at development spacing in tight reservoirs is closely related to the effective horizontal and vertical extents of the hydraulic fractures. Direct measurement of pressure depletion away from the existing producers can be used...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202360-MS
... are reduced to a more manageable 20 models for simulation using a distance-based K-medoid algorithm. Maps of maximum depletion and inflation are generated for each of the medoids. With this work, the importance of probabilistically assessing reservoir pressures is demonstrated in the context of developing...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202385-MS
... will adopt a near semi-steady state flow regime in the reservoir, as required by the second law of thermodynamics. This depletion region is composed of radial capillaries that produce flow to the well and create pressure or elastic depletion in the reservoir. The cone of influence or region of pressure...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 9–12, 2020
Paper Number: SPE-202934-MS
... pressure pressure depletion vintage rock physics Four-dimensional (4D) or time-lapse seismic data have proven to be a useful tool in observing changes in hydrocarbon bearing reservoirs over time and to aid in efficiently producing hydrocarbons from the subsurface. 4D seismic has provided...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 9–12, 2020
Paper Number: SPE-203145-MS
... Abu Dhabi. 1D Geomechanical modeling was critical in determining fracturing strategy. Containment of fracture height growth was the most critical aspect of the fracturing process, as the target units were stacked within heavily depleted reservoirs. The challenge was that the rock strength, poroelastic...
Proceedings Papers

Paper presented at the SPE Norway Subsurface Conference, November 2–3, 2020
Paper Number: SPE-200742-MS
... Abstract Aging assets and higher depletion levels means increased challenges in terms of operations, well integrity and field development – completion and/or casing damage/collapse, restricted well access, low well pressure and restrictions in (or complete elimination of) conventional...

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