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Keywords: water saturation
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Proceedings Papers
An Innovative Approach to Formation Evaluation with a Sourceless LWD Technology for the First Time in Joint Operations, A Case Study From Partitioned Zone Between Kuwait and Saudi Arabia
Available to PurchaseJamal Al-Rubaiyea, Ahmad Al-Bader, Meshari Al-Houli, Abdul-aziz Al-Najim, Majed Al-Duwaish, Ahmed Elsherif
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175707-MS
... with an inclination of 60°, cutting the Ratawi Limestone and Ratawi Oolite reservoirs. The acquired data were of excellent quality in comparison with conventional LWD data. The formation sigma was used in the water saturation calculations. Spectroscopy analysis was also recorded and used for formation evaluation...
Proceedings Papers
Introducing a Producible Oil Water Contact (POWC) for Better Assessment of Moveable Oil in the Transition Zone
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164648-MS
... helps to identify and assess the producible oil in a more appropriate way. This level may be determined by using fractional flow curves. In this case the contact level is a derived value for water saturation that relates to a specific water cut at surface conditions. If dynamic reservoir modeling...
Proceedings Papers
Effect of Petrophysical Re-interpretation on Matured Fields' Development Planning and Producing Reserves Boosting Up in Abu El Gharadig Basin, Western Desert, Egypt.
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164701-MS
... production rates, the review included investigating the validity of the formerly used models for interpreting the existing shaly sand that indicated high water saturations that never matched the production data; also, an individual well interpretation parameters were considered instead of the formerly...
Proceedings Papers
A Comparison between Capillary and Electrical Properties of Rock Samples Obtained at Ambient Conditions and Reservoir Conditions
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164618-MS
... and formation factor can be studied. core analysis electrical property water saturation spe 164618 capillary pressure curve resistivity measurement resistivity wettability capillary pressure irreducible water saturation capillary pressure measurement rock sample saturation exponent Upstream...
Proceedings Papers
Dielectric Measurement Improves Formation Water Saturation Evaluation in Variable Water Salinity Conditions, Upper Bahariya Formation, Egypt
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164644-MS
... Abstract In Egypt's Western Desert, water saturation evaluation of the Upper Bahariya reservoirs is complicated by significant uncertainties in the resistivity-based saturation equation inputs, mainly the formation water salinity, but also the cementation factor and the clay cation exchange...
Proceedings Papers
Detection of Bypassed Pay Zones and Water Production Control of Sandstone Reservoirs Using TDT and CHFR Logs
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164584-MS
... water saturations in developed reservoir. One of the main problems that encountered while using TDT log is the reservoirs with low formation water salinity, this problem may also appear in reservoirs that are supported by water injection projects, in which the formation water is diluted by the injected...
Proceedings Papers
New Analytical Equations of Recovery Factor for Radial Flow Systems
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164766-MS
... model improves the prediction of reservoir performance. It works as an important supplement to the Buckley-Leverett method for oil fields worldwide. enhanced recovery water saturation producer displacement front position equation Upstream Oil & Gas radial system recovery factor...
Proceedings Papers
High Resolution Saturation Analysis in Nile Delta Turbiditic Sands from Imaging Tool Resistivity and NMR in Oil-Based Mud
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164718-MS
... Abstract Porosity, water saturation, and net-to-gross evaluation can be challenging in thinly bedded sands. The use of standard induction resistivity for formation evaluation can lead to the overestimation of water saturation. This work explores the following options to improve formation...
Proceedings Papers
The Impact of Pore Geometry Aspects on Porosity-Permeability Relationship - A Critical Review to Evaluate NMR Estimated Permeability
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-150887-MS
... for permeability prediction was develpoed which incorporate the pore space and pore throat. The obtained results have shown the great influence of pore throat on permeability prediction. flow in porous media irreducible water saturation pore throat size distribution well logging cutoff porosity...
Proceedings Papers
Cased Hole Formation Resistivity Evaluation Results in Successful Identification and Isolation of Watered out Zones in Nubia Formation
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-150858-MS
... & gas laterolog resistivity zone 2 saturation well logging water saturation formation resistivity evaluation result water cut mechanical isolation log analysis spe 150858 nubia formation successful identification resistivity porosity production history water production society...
Proceedings Papers
Reconciliation of Core and Log Data Analysis in Very Thin Reservoirs of Krishna Godavari Basin, India
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-149017-MS
... porosity and water saturation with core data showing excellent correlation does not ensure the correctness of petrophysical evaluations. In this paper, it has been demonstrated that there are potential problems associated with the integration of petrophysical evaluation and core data. Sources of errors...
Proceedings Papers
Integrated Approach: Key to Improved Reservoir Model
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-149676-MS
... are few. Paper brings out how use of seismic derived porosity trend during property modeling led to a meaningful porosity model in a limestone reservoir. In absence of core based J-function data, use of log derived initial water saturation helped in deciding the rock type distribution and saturation...
Proceedings Papers
Determination of Saturation Distributions in Water Displacement by Analytical Models
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-151879-MS
... solutions to calculate reservoir water saturation profiles from field water cut data are investigated. Different flow regimes and reservoir geometries are considered during this study. Diffuse, segregated and capillary influenced flow models are analyzed in both one and two dimensional water injection using...
Proceedings Papers
Including the Effect of Capillary Pressure to Estimate Critical Rate in Water Coning Well
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-152131-MS
... production monitoring upstream oil & gas flow in porous media capillary pressure increase differentiation inflection point critical rate fluid dynamics horizontal permeability contribution production control drillstem testing perforated interval water saturation critical oil rate increase...
Proceedings Papers
Numerical Modeling of Counter-Current Spontaneous Imbibition during Underbalanced Drilling
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-152412-MS
... damage still exist during UBD due to Counter-current Spontaneous Imbibition (COUCSI) process. In this case, for water-based muds the original water phase pressure in the reservoir is less than the irreducible water saturation. Therefore the capillary pressure and wettability characteristics...
Proceedings Papers
Dynamic Behavior of a Fissured Dual-Carbonate Reservoir Modeled with DFN
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the North Africa Technical Conference and Exhibition, February 14–17, 2010
Paper Number: SPE-127783-MS
... the simulation model was calibrated using all available information, in particular, the pressure buildups. matrix fracture permeability fracture cumulative oil production water saturation fracture system matrix block spe 127783 hydraulic fracturing saturation drillstem/well testing matrix...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the North Africa Technical Conference and Exhibition, February 14–17, 2010
Paper Number: SPE-127838-MS
... breakthrough production monitoring water saturation water cut workover program gemsa field bopd society of petroleum engineers reservoir surveillance l-sand reperf flow profile upstream oil & gas short string permeability Introduction Well SE -10B is drilled in South East (S.E.) Gemsa...
Proceedings Papers
Application of a New Computer Aided History Matching Approach - A Successful Case Study
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the North Africa Technical Conference and Exhibition, February 14–17, 2010
Paper Number: SPE-127997-MS
... reservoir simulation agoco field water influx spe 127997 tppm water saturation water cut boundary upstream oil & gas pseudo well modeling & simulation matching target pressure history geological model reservoir model reservoir Introduction Historically, geological modeling...
Proceedings Papers
High Resistivity High Water Saturation Addressing the Problem to Avoid Water Production
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the North Africa Technical Conference and Exhibition, February 14–17, 2010
Paper Number: SPE-128164-MS
... was determined by Amott method and proved to be strongly oil wet. The wettability controls the position of fluids within the pore network, where in oil-wet the water saturation distributed as poorly connected droplets within the macro-pores and filled the micro-pores. To simulate the saturation history...
Proceedings Papers
Production Improvement of Formation Damaged Wells by Proper Acid Treatment
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the North Africa Technical Conference and Exhibition, February 14–17, 2010
Paper Number: SPE-128433-MS
... The two examples in Figure (1) exhibited similar behavior of permeability loss even though the two cores were of significant rock matrix quality. The major difference between the two rock matrix types is that the higher quality matrix was able to hold water saturation up to a certain level only...
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