Developed Material Balance Approach for Estimating Gas Initially in Place and Ultimate Recovery for Tight Gas Reservoirs

Omar Al-Fatlawi; Md Hossain Mofazzal; Steven Hicks; Ali Saeedi

doi:10.2118/183015-MS

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Publication Date

Mon Nov 07 2016

Journal Name

Abu Dhabi International Petroleum Exhibition & Conference

DOI

10.2118/183015-MS

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Developed Material Balance Approach for Estimating Gas Initially in Place and Ultimate Recovery for Tight Gas Reservoirs

reservoir simulation

Material Balance Equation

tight gas

calculation

complex reservoir

viscosity

tight gas reservoir

transmissibility

equation

Omar Al-Fatlawi

Md Hossain Mofazzal

Steven Hicks

Ali Saeedi

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AbstractThe gas material balance equation (MBE) has been widely used as a practical as well as a simple tool to estimate gas initially in place (GIIP), and the ultimate recovery (UR) factor of a gas reservoir. The classical form of the gas material balance equation is developed by considering the reservoir as a simple tank model, in which the relationship between the pressure/gas compressibility factor (p/z) and cumulative gas production (Gp) is generally appeared to be linear. This linear plot is usually extrapolated to estimate GIIP at zero pressure, and UR factor for a given abandonment pressure. While this assumption is reasonable to some extent for conventional reservoirs, this may incur significant error when applied for unconventional tight gas reservoirs. The implementation of multi-tank, compartmented reservoir models are reported to better represent the behaviour of tight gas reservoirs. This study focus to develop a simple numerical method to solve the MBE using the concept of multi-tank, compartmented reservoir model. A simple and practical computational tool is developed by solving the numerical model using False Position iterative method. The tool is applied to calculate GIIP and UR factor for an Australian tight gas field after validation of tool based on history matching. The results demonstrated that the developed tool can be used for the better estimation of GIIP and UR factor with better accuracy. The program can also be used as an efficient tool, especially in the case of homogenous tight gas reservoir, as an alternative to the reservoir simulation to understand the pressure decline behaviour with cumulative gas production; and to estimate GIIP and UR factor.

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Publication Date

Mon Mar 01 2021

Journal Name

Journal Of Physics: Conference Series

Investigating the Effect of ZnO on the Structural and Optical Properties of (MgO)1-x(ZnO)x via Pulsed Laser Deposition

PLD

(MgO)1-x(ZnO)x

XRD.

Bushra A

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AbstractThis work concerned with effect of zinc oxide concentrating on the structural and optical properties of (MgO)1-x(ZnO)x thin films. (MgO)1-x(ZnO)x compounds were produced by mixing the two oxides powders accordance to the atomic ratios and compressed as pellets, these pellets were sintered in an oven at temperature1273K for five hours. Thin films from (MgO)1-x(ZnO)x compounds were obtained using pulsed laser deposition technique using Nd:YAG laser . The results of x-ray diffraction as well as UV-Visible- spectrophotometer measurements transmittance of (MgO)<jats></jats> ... Show More

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(2)

Publication Date

Sun Nov 01 2020

Journal Name

Journal Of Physics: Conference Series

Role of ZnO content on the structural, morphology and optical properties of (NiO)1-x (ZnO) x thin films prepared by pulsed laser deposition technique

Ameer J.

Mohmmed Ebd

Bushra A.

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Abstract(NiO) 1-x (ZnO) x compounds were prepared with different composition ratios. The compounds were obtained by mixing Nickle oxide and zinc oxide in the appropriate ratio and sintered at 1000°C for six hours. Pulsed laser deposition (PLD) method which is simple and inexpensive method was used to deposit (NiO) 1-x (ZnO) x thin films on glass substrate at ambient temperature. Structural, optical and properties were investigated. The structures investigation obtained from x-ray diffraction showed that the prepared of compound as well as thin films have polycrystalline structure where the diffraction peaks w ... Show More

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Publication Date

Fri Jan 01 2021

Journal Name

International Medical Journal

Effect of Accelerated Canine Retraction by Vitamin D3 Local Administration on Apical Root Resorption, Alveolar Bone Integrity, and Chair-side Time: A Prospective Clinical Study

Noor

Ali

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Objectives: To evaluate the effect of vitamin D3 local injections on apical root resorption, alveolar bone integrity, and chair-side time following three and six months of canine retraction. Subjects and Methods: Seventeen adult patients (18-35 years old) of class I and II malocclusions were recruited, who required bilateral maxillary 1st premolars extraction before starting maxillary canines retraction. The experimental side received 25 pg dose of vitamin D3 injected locally into the distal periodontal sulcus of the canine (before force application) every three weeks, while the control side received retraction force only. Periapical radiographic evaluation was conducted after 3 and 6 months of the start of canines' retraction. Results: At

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Wed Sep 20 2006

Journal Name

00

INVESTIGATING SOME OF THE SYNTACTIC ERRORS MADE BY EFL COLLEGE STUDENTS IN WRITTEN ENGLISH EXPRESSIONS استقصاء بعض الاخطاء النحوية لطلبة الكلية دارسي اللغة الانكليزية لغة اجنبية في التعابير الانشائية

Farah

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Publication Date

Mon Jan 01 2018

Journal Name

Research Journal Of Pharmacy And Technology

Impact of Human Cytomegalovirus Infection associated with the expressed protein of mutated BRCA1 gene in breast tissues from a group of Iraqi Female Patients with Breast Carcinoma

HCMV

BRCA1

Breast tumor

ISH

IHC

Cytomegalovirus

cytomegalovirus

inheritedmutations

differentiation

ultra-sensitive

immunohistochemistry

immunohistochemical

carcinogenesis

Saad H. Mohammed

Taghreed F

Yasmeen J.

Shakir H. Mohammed

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Mon Mar 31 2025

Journal Name

International Journal Of Corrosion And Scale Inhibition

Enhancing of corrosion protection properties of stainless steel 316L using chemically synthesized thin film poly(pyrrole-co-p-toluidine) coating on SS316L surface in a 3.5 wt.% NaCl medium

Ahlam Mohammed

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Publication Date

Thu Oct 31 2024

Journal Name

Mathematical Modelling Of Engineering Problems

Investigating the Effects of Canard Dihedral Angle on the Wing Span Loading in a Forward-Swept Wing Aircraft at Transonic Speeds at Steady State Conditions Using Computational Fluid Dynamics

aerodynamics

canard effect

CFD

forward swept wing

pressure distribution

shock wave

transonic

wing loading

Ahmed Tawfeeq Mustafa Ali

Abdnoor Jameel

Mustafa Kamal Mustafa

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Forward-swept wings were researched and introduced to improve maneuverability, control, and fuel efficiency while reducing drag and they are often used alongside canards, to further enhance their characteristics. In this research, the effects of canard dihedral angles on the wing loading of a forward-swept wing in transonic flow conditions were studied, as the wing loading provides a measure of wing’s efficiency (lift/drag). A generic aircraft model from literatures was selected, simulated, and compared to, using CFD software ANSYS/Fluent where the flow equations were solved to calculate the aerodynamic characteristics. The research was carried at two different Mach numbers, 0.6 and 0.9, for five different canard dihedral angles which tra

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(1)

Publication Date

Sun Feb 03 2019

Journal Name

Journal Of The College Of Education For Women

Shaikh Al-Fadhali's Thesis in Parsing the phrase 'No god but Allah' written by Al-Shaikh Saif-el-Deen Atta Abu-el Futouh Al-Wafa'y Al- Fadhali (1020 A.D.)

د. عبد الناصر طھ

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Abstract
Praise be to Allah, The Lord of the worlds, and peace be upon
Muhammad the master of former and latter people, and peace be upon His
relatives, companions and those who followed Him to Judgment day.
After recognizing the prescription which is called (Al- Fadhaly's Thesis in
parsing of "There is no god but God") as it is related with the word of the
investigation of this issue attracted me, as being related with the idea of the
only one God that is mentioned in the prophetic speech, which is said by
Anas- God satisfies him- Who said, Said the Messenger Muhammad peace
be upon him " Goes out of the Hell who said: there is no god but God, and in
his heart a hair weight of charity, and goes out of the He

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Publication Date

Sun Jun 30 2024

Journal Name

Association Of Arab Universities Journal Of Engineering Sciences

The impact of flexibility in the design of educational interior spaces (University of Baghdad Studio as a model) (أثر المرونة في تصميم الفضاءات الداخلية التعليمية (مراسم جامعة بغداد أنموذجا

Interior spaces

flexibility

educational spaces

studio space

Doaa Hazim

Rand H.M.

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Publication Date

Wed Nov 14 2018

Journal Name

Journal Of Engineering And Applied Sciences

DEMONSTRATE OF MAGNETIC FIELD EFFECT ON THE CAPABILITY OF ADSORPTION PROCESS IN THE REMOVAL OF AZO DYE FROM THE AQUEOUS SOLUTIONS ON CALCINED IRAQI BENTONITE CLAY MINERAL VIA COLUM

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