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Keywords: boundary
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Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, July 31–August 2, 2023
Paper Number: SPE-217112-MS
... Abstract Dimensionless pressure and their derivatives assist tremendously in understanding the reservoir boundary types, efficient well design, completion and production scheduling for optimum recovery from the reservoir. For a reservoir boundary as inimical as constant-pressure to oil or gas...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, July 31–August 2, 2023
Paper Number: SPE-217103-MS
... Abstract The optimization of the performance of oil and gas wells (whether vertical or directional) as well as well location from external reservoir boundaries or faults has been a major concern of the reservoir engineer over the years. This work presents an accurate method for evaluating...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 1–3, 2022
Paper Number: SPE-212009-MS
... gravitational potential exerted by the moon and the sun, and the rotation of the Earth. Tidal signals have been observed to mask late time response for pressure build up tests and will significantly hinder correct interpretation of reservoir boundaries if left unaddressed. The effects of tidal pressure signals...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 1–3, 2022
Paper Number: SPE-211910-MS
... to determine the best placement for a well for optimum well production or injection. upstream oil & gas procedure vertical well completed history drillstem testing reservoir case society inclination horner plot placement earlougher reservoir boundary drillstem/well testing boundary...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 1–3, 2022
Paper Number: SPE-211976-MS
... ). To simply the estimation of thermal losses across boundaries, some workers have demonstrated the applicability of the heat-exchanger theory ( Lawal 2020 ). Unlike some methods such as the semi-analytical formulation by Vinsome and Westerveld (1980) , the former treatment explicitly accounts for key...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 1–3, 2022
Paper Number: SPE-211907-MS
... Faults Figure 2 Rate and Pressure Profiles for Pressure Buildup Test Abstract Pressure buildup test analysis has been used to investigate near wellbore environment, estimate reservoir pressure and reveal external reservoir boundary types. However, despite of these benefits...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 1–3, 2022
Paper Number: SPE-211904-MS
... by reservoir boundaries, and positioning of a well therefore must be strategic to ensure oil production for a long time. This is because pressure drop across the producing well is the addition of the pressure drop of the object well and the several image wells created because of the inclination...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 2–4, 2021
Paper Number: SPE-207179-MS
... Abstract Dimensionless pressure gradients and dimensionless pressure derivatives characteristics are studied for horizontal and vertical wells completed within a pair of no-flow boundaries inclined at a general angle ‘θ’. Infinite-acting flow solution of each well is utilized. Image distances...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 2–4, 2021
Paper Number: SPE-207197-MS
... boundary scenario relative dip borehole image Introduction With the recent drive by hydrocarbon asset owners to optimize production and reduce operating cost, drilling for hydrocarbons has moved from conventional wells to high-angle and horizontal (HAHZ) wells. Operators are facing increasing...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 2–4, 2021
Paper Number: SPE-208239-MS
... of the job, geologic scenario planning, forward modeling, producing an acceptable pre-drill geological model), real-time monitoring (well-to-well correlation, dip picking from borehole images, bed boundary detection and distance-to-bed boundary (D2B) calculations ( Imomoh et al, 2019 ). Abstract...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 2–4, 2021
Paper Number: SPE-207186-MS
... placement within the reservoir the objective of the well is to respond to the reservoir fluid flow optimally irrespective of the fluid characteristics and reservoir non-uniformities as a result of sealing fault at one end and other mix boundaries, permeability and porosity etc at the other end. The presence...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 2–4, 2021
Paper Number: SPE-207138-MS
... used to evaluate performance of a vertical well located within two intersecting sealing faults. The nature and types of boundary affect productivity in bounded reservoirs. Well performance is strongly affected by well location with respect to the boundary, be it single, paired and parallel or paired...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 2–4, 2021
Paper Number: SPE-207136-MS
... the fault boundary behavior dominated flow regime of an oil well which has produced for over eight years in a marginal field of the Niger Delta environment. The material balance technique which utilized accountability of fluid withdrawn/injected and energy conservation principles within the pseudo steady...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 11–13, 2020
Paper Number: SPE-203627-MS
... - cos ( 4 θ ) ] ( d O , n ) 2 = 2 [ d sin ( θ 2 ) ] 2 [ 1 - cos ( n θ ) ] Therefore, generally, the distance from an active well to any image well, i, in a wedge boundary can be given as: (2.14) ( d O...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 11–13, 2020
Paper Number: SPE-203700-MS
... reservoir permeability reservoir surveillance drillstem/well testing gringarten flow time production control reservoir simulation horizontal well initial reservoir pressure boundary wellbore pressure reservoir production monitoring upstream oil & gas reservoir pressure procedure infinite...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 5–7, 2019
Paper Number: SPE-198716-MS
... – landing Well-MX in the targeted M reservoir bed and drilling the lateral section. The major geosteering technologies used are the at-bit resistivity and azimuthal propagation resistivity, which provides geostopping capability, reservoir bed boundary mapping and accurate distance to bed boundary...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 5–7, 2019
Paper Number: SPE-198786-MS
... of the challenges encountered includes geosteering the wellbore above a pre-determined production TVD hardline while simultaneously avoiding drilling into an overlying undulating shale cap rock, vertical seismic uncertainty and undulating formation boundaries. drilling operation Reservoir Characterization...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 6–8, 2018
Paper Number: SPE-193446-MS
... time system well logging drilling data acquisition LWD geosteering bed boundary Directional Drilling sensor reservoir sand boundary interpretation drilling measurement logging while drilling drilling operation Niger Delta transmitter log analysis Reservoir Navigation complex challenge...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, July 31–August 2, 2017
Paper Number: SPE-189182-MS
... This information was in agreement with field production data supporting the movement of the fluid contacts that could only be possible by the influence of wells producing across fault boundaries previously thought to the be sealing. Results/Discussion The separation of blocks L, M, N and O...

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