Optimization of Infill Drilling in Whicher Range Field in Australia

Omar Al-Fatlawi; Aswin R. Vimal Roy; Md Mofazzal Hossain; Akim H. Kabir

doi:10.2118/188085-MS

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Publication Date

Mon Apr 24 2017

Journal Name

Spe Kingdom Of Saudi Arabia Annual Technical Symposium And Exhibition

DOI

10.2118/188085-MS

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Optimization of Infill Drilling in Whicher Range Field in Australia

machine learning

reservoir simulation

asset and portfolio management

cumulative production

transient drainage area

production rate

reservoir model

infill well

tight gas reservoir

Modeling & Simulation

Omar Al-Fatlawi

Aswin R. Vimal Roy

Md Mofazzal Hossain

Akim H. Kabir

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AbstractNow that most of the conventional reservoirs are being depleted at a rapid pace, the focus is on unconventional reservoirs like tight gas reservoirs. Due to the heterogeneous nature and low permeability of unconventional reservoirs, they require a huge number of wells to hit all the isolated hydrocarbon zones. Infill drilling is one of the most common and effective methods of increasing the recovery, by reducing the well spacing and increasing the sweep efficiency. However, the problem with drilling such a large number of wells is the determination of the optimum location for each well that ensures minimum interference between wells, and accelerates the recovery from the field. Detailed 3-D numerical reservoir modelling is the most trusted method to determine the optimum locations of the infill wells, but it is time consuming and expensive. Therefore, the industry is on the lookout for methods that are fast and effective. Over the last few decades, researcher have come up with techniques like moving window, rapid inversion, Infill Well Locator Calculator (IWLC) etc. for infill drilling optimization of tight resources.In this paper reservoir simulation modelling was combined with the Moving Window Method (MWM) to develop an optimum infill-drilling plan for Whicher Range (WR) Tight-gas Field in Western Australia. The accuracy and effectiveness of developed optimum plan are justified through comparative studies using standard reservoir simulation model; which demonstrates that the proposed plan effectively predicts the optimum number of wells including the production rate of each wells similar to that obtained from standard reservoir simulation studies. It is also inferred that reservoir simulation combined with MWM requires less data and much simpler as well as faster compared to standard reservoir simulation for optimizing an infill drilling plan for alike of Whicher Range tight gas field.

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Tue Feb 28 2023

Journal Name

Iraqi Geological Journal

Development of 3D Geological Model and Analysis of the Uncertainty in a Tight Oil Reservoir in the Halfaya Oil Field

Sadi reservoir

Halfaya oil field

Static model

Reservoir characterization

Carbonate reservoir

Uncertainty analysis

Safiyya

Omar

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A geological model was built for the Sadi reservoir, located at the Halfaya oil field. It is regarded as one of the most significant oilfields in Iraq. The study includes several steps, the most essential of which was importing well logs from six oil wells to the Interactive Petrophysics software for conducting interpretation and analysis to calculate the petrophysical properties such as permeability, porosity, shale volume, water saturation, and NTG and then importing maps and the well tops to the Petrel software to build the 3D-Geological model and to calculate the value of the original oil in place. Three geological surfaces were produced for all Sadi units based on well-top data and the top Sadi structural map. The reservoir has

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(7)

(2)

Publication Date

Mon Sep 14 2015

Journal Name

Spe North Africa Technical Conference And Exhibition

Feasibility of Gas Lift to Increase Oil Production in an Iraqi Giant Oil Field

production monitoring

optimization problem

gas Lift Design

artificial lift system

Artificial Intelligence

Reservoir Surveillance

Upstream Oil & Gas

gas lift

flow rate

correlation

O. F.

M..

K. A.

A. A.

Dhifaf Jaafar

A. J.

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AbstractGas lift is one of the artificial lift techniques which it is frequently implemented to raise oil production. Conventionally, the oil wells produce depending on the energy of reservoir pressure and solution gas which declines due to continuous production. Therefore, many oil wells after a certain production time become unable to lift oil to the surface. Thus, the continuity of production requires implementation of gas lift which works to decrease the average fluid density in the tubing by injection gas through the annulus into the tubing. This paper aims to get maximum oil production of an Iraqi giant oil field at optimum injected gas rate. The field is located in south of Iraq and in ... Show More

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Tue Sep 01 2015

Journal Name

Iraqi Journal Of Chemical And Petroleum Engineering

Kick tolerance control during well drilling in southern Iraqi deep wells

Nagham

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The importance of kick tolerance in well operations has recently increased due to its implications in well design, in drilling and well control. To study a simple method for the application of kick tolerance concept in an effective way on the basis of field data, this research purpose is to improve knowledge about Kick Tolerance and represents a technical basis for the discussion on revision of standard procedure. The objective of this work is to review and to present a methodology of determination the kick tolerance parameters using the circulation kicks tolerance concepts. The proposed method allows to know, to evaluate and to analyze the kick tolerance problem in order to make the drilling execution safer and more economical by reducin

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Journal Name

Journal Of The Australian Ceramic Society

Dielectric and scattering properties of transparent SiC composite in X-band range for radome application

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Sat Mar 30 2019

Journal Name

Iraqi Journal Of Chemical And Petroleum Engineering

Selection of Suitable Drilling Parameters for obtaining high Rate of Penetration in Majnoon Oilfield

Drilling parameters

Bit type

Majnoon oilfield

and Hole section

Majid

Ayad

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Several directional wells have been drilled in Majnoon oilfield at wide variation in drilling time due to different drilling parameters applied for each well. This technical paper shows the importance of proper selection of the bit, Mud type, applied weight on Bit (WOB), Revolution per minute (RPM), and flow rate based on the previous wells drilled. Utilizing the data during drilling each section for directional wells that's significantly could improve drilling efficiency presented at a high rate of penetration (ROP). Based on the extensive study of three directional wells of 35 degree inclination (MJ-51, MJ-52, and MJ-54) found that the applied drilling parameters for MJ-54 and the bit type within associated drilling parameters to drill

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Publication Date

Sun Nov 26 2017

Journal Name

Journal Of Engineering

Reservoir Characterizations and Reservoir Performance of Mishrif Formation in Amara Oil Field

Amara field

geological model

history matching

reservoir performance prediction.

Hussain Ali

Alaa Shihan

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Mishrif Formation is the main reservoir in Amara Oil Field. It is divided into three units (MA, TZ1, and MB12). Geological model is important to build reservoir model that was built by Petrel -2009. FZI method was used to determine relationship between porosity and permeability for core data and permeability values for the uncored interval for Mishrif formation. A reservoir simulation model was adopted in this study using Eclipse 100. In this model, production history matching executed by production data for (AM1, AM4) wells since 2001 to 2015. Four different prediction cases have been suggested in the future performance of Mishrif reservoir for ten years extending from June 2015 to June 2025. The comparison has been mad

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Tue Jan 01 2019

Journal Name

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Nephrotic range proteinuria; does it predict lung involvement in patients with type 2 diabetes

Al-Azzawi O.F.N.

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Tue Jan 01 2019

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Diabetes & Metabolic Syndrome: Clinical Research & Reviews

Nephrotic range proteinuria; does it predict lung involvement in patients with type 2 diabetes

Omar Farooq Nafea

Mohammed Waheeb

Momtaz M.

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Journal Name

Open Engineering

Using ANN for well type identifying and increasing production from Sa’di formation of Halfaya oil field – Iraq

tight formation

increasing oil production

reservoir management

well production types

ANN applications

Ghanim M.

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AbstractThe current study focuses on utilizing artificial intelligence (AI) techniques to identify the optimal locations of production wells and types for achieving the production company’s primary objective, which is to increase oil production from the Sa’di carbonate reservoir of the Halfaya oil field in southeast Iraq, with the determination of the optimal scenario of various designs for production wells, which include vertical, horizontal, multi-horizontal, and fishbone lateral wells, for all reservoir production layers. Artificial neural network tool was used to identify the optimal locations for obtaining the highest production from the reservoir layers and the optimal well type. Fo ... Show More

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