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Dissertations / Theses on the topic 'Gas condensate reservoirs'

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Published: 4 June 2021

Last updated: 25 July 2025

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1

Ouzzane, Djamel Eddine. "Phase behaviour in gas condensate reservoirs." Thesis, Imperial College London, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.417922.

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2

Labed, Ismail. "Gas-condensate flow modelling for shale gas reservoirs." Thesis, Robert Gordon University, 2016. http://hdl.handle.net/10059/2144.

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In the last decade, shale reservoirs emerged as one of the fast growing hydrocarbon resources in the world unlocking vast reserves and reshaping the landscape of the oil and gas global market. Gas-condensate reservoirs represent an important part of these resources. The key feature of these reservoirs is the condensate banking which reduces significantly the well deliverability when the condensate forms in the reservoir below the dew point pressure. Although the condensate banking is a well-known problem in conventional reservoirs, the very low permeability of shale matrix and unavailability o

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3

Vo, Dyung Tien. "Well test analysis for gas condensate reservoirs /." Access abstract and link to full text, 1989. http://0-wwwlib.umi.com.library.utulsa.edu/dissertations/fullcit/9014121.

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4

Al, Harrasi Mahmood Abdul Wahid Sulaiman. "Fluid flow properties of tight gas-condensate reservoirs." Thesis, University of Leeds, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.582106.

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Tight gas-condensate reservoirs contain large reserves, but can be extremely costly to develop. Understanding the fundamental controls on the fluid flow behaviour of tight gas and gas-condensate reservoirs has the potential to result in more cost-effective reservoir development and help increase the world's producible reserves. Therefore, the principal objective of the thesis is to improve understanding of multiphase flow within tight gas-condensate reservoirs. In order to achieve this objective a series of pore-to-core scale experiments under controlled conditions were performed, followed by

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5

Aluko, Olalekan A. "Well test dynamics of rich gas condensate reservoirs." Thesis, Imperial College London, 2011. http://hdl.handle.net/10044/1/7887.

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6

Del, Castillo Maravi Yanil. "New inflow performance relationships for gas condensate reservoirs." Texas A&M University, 2003. http://hdl.handle.net/1969/354.

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7

Adeyeye, Adedeji Ayoola. "Gas condensate damage in hydraulically fractured wells." Texas A&M University, 2003. http://hdl.handle.net/1969.1/213.

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This project is a research into the effect of gas condensate damage in hydraulically fractured wells. It is the result of a problem encountered in producing a low permeability formation from a well in South Texas owned by the El Paso Production Company. The well was producing a gas condensate reservoir and questions were raised about how much drop in flowing bottomhole pressure below dewpoint would be appropriate. Condensate damage in the hydraulic fracture was expected to be of significant effect. Previous attempts to answer these questions have been from the perspective of a radial m

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8

Saleh, Amer Mohamed. "Well test and production prediction of gas condensate reservoirs." Thesis, Heriot-Watt University, 1992. http://hdl.handle.net/10399/813.

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9

Daltaban, T. S. "Numerical modelling of recovery processes from gas condensate reservoirs." Thesis, Imperial College London, 1986. http://hdl.handle.net/10044/1/37987.

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10

Almusabeh, Muzher I. "Predicting the gas-condensate extended composition analysis." Morgantown, W. Va. : [West Virginia University Libraries], 2010. http://hdl.handle.net/10450/11076.

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Thesis (M.S.)--West Virginia University, 2010.<br>Title from document title page. Document formatted into pages; contains ix, 52 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 49-51).

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11

Ugwu, Johnson Obunwa. "A semi-empirical approach to modelling well deliverability in gas condensate reservoirs." Thesis, Robert Gordon University, 2011. http://hdl.handle.net/10059/1115.

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A critical issue in the development of gas condensate reservoirs is accurate prediction of well deliverability. In this investigation a procedure has been developed for accurate prediction of well production rates using semi-empirical approach. The use of state of the art fine grid numerical simulation is time consuming and computationally demanding, therefore not suitable for real time rapid production management decisions required on site. Development of accurate fit-for-purpose correlations for fluid property prediction below the saturation pressure was a major consideration to properly all

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12

Wilson, Benton Wade. "Modeling of performance behavior in gas condensate reservoirs using a variable mobility concept." Texas A&M University, 2003. http://hdl.handle.net/1969.1/317.

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The proposed work provides a concept for predicting well performance behavior in a gas condensate reservoir using an empirical model for gas mobility. The proposed model predicts the behavior of the gas permeability (or mobility) function in the reservoir as condensate evolves and the gas permeability is reduced in the near-well region due to the "condensate bank". The proposed model is based on observations of simulated reservoir performance and predicts the behavior of the gas permeability over time and radial distance. This model is given by: The proposed concept has potential ap

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13

Kgogo, Thabo C. "Well test analysis of low permeability medium-rich to rich gas condensate homogeneous and layered reservoirs." Thesis, Imperial College London, 2011. http://hdl.handle.net/10044/1/6856.

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This study investigates near-wellbore effects during well testing in low permeability, single- and multi-layered, medium-rich to rich, gas condensate reservoirs. Theoretical results obtained from compositional simulations are validated with actual well test data. We first study well test behaviours for a range of gas condensate fluids with increasing condensate to gas ratios (CGR), from lean to medium-rich to rich. We verify that, during a drawdown below the dew point pressure, a condensate bank forms around the wellbore for all fluids studied. We show that, in the case of a medium-rich gas, a

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14

Izgec, Bulent. "Performance analysis of compositional and modified black-oil models for rich gas condensate reservoirs with vertical and horizontal wells." Thesis, Texas A&M University, 2003. http://hdl.handle.net/1969.1/237.

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It has been known that volatile oil and gas condensate reservoirs cannot be modeled accurately with conventional black-oil models. One variation to the black-oil approach is the modified black-oil (MBO) model that allows the use of a simple, and less expensive computational algorithm than a fully compositional model that can result in significant timesaving in full field studies. The MBO model was tested against the fully compositional model and performances of both models were compared using various production and injection scenarios for a rich gas condensate reservoir. The software used to

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15

Al, Ghamdi Bander Nasser Ayala H. Luis Felipe. "Analysis of capillary pressure and relative permeability effects on the productivity of naturally fractured gas-condensate reservoirs using compositional simulation." [University Park, Pa.] : Pennsylvania State University, 2009. http://etda.libraries.psu.edu/theses/approved/WorldWideIndex/ETD-4622/index.html.

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16

Al-Kharusi, Badr Soud. "Relative permeability of gas-condensate near wellbore, and gas-condensate-water in bulk of reservoir." Thesis, Heriot-Watt University, 2000. http://hdl.handle.net/10399/1098.

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17

Shaidi, Salman Mohammed Al. "Modelling of gas-condensate flow in reservoir at near wellbore conditions." Thesis, Heriot-Watt University, 1997. http://hdl.handle.net/10399/672.

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The behaviour of gas condensate flow in the porous media is distinctly different from that of gas-oil flow. The differences are attributed to the difference in fluid properties, phase behaviour, and condensation and vaporisation phenomena that distinguishes gas condensate fluids from the aforementioned fluid types. These differences manifest themselves into an important flow parameter that is typically known as relative permeability. Relative permeability is known to be related to the phase saturation, and the interfacial tension (EFT). Also, at high phase velocities, its reduction with increa

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18

Mindek, Cem. "Production Optimization Of A Gas Condensate Reservoir Using A Black Oil Simulator And Nodal System Analysis:a Case Study." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12606112/index.pdf.

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In a natural gas field, determining the life of the field and deciding the best production technique, meeting the economical considerations is the most important criterion. In this study, a field in Thrace Basin was chosen. Available reservoir data was compiled to figure out the characteristics of the field. The data, then, formatted to be used in the commercial simulator, IMEX, a subprogram of CMG (Computer Modeling Group). The data derived from the reservoir data, used to perform a history match between the field production data and the results of the simulator for a 3 year period between Ma

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19

Delicado, Victor Edward. "A comparison of black-oil versus compositional simulation methods for evaluating a rich gas-condensate reservoir." University of the Western Cape, 2016. http://hdl.handle.net/11394/5860.

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Magister Scientiae - MSc<br>Over time, researchers have endeavoured to use conventional black-oil (BO) models to model volatile-oil and gas-condensate reservoirs as accurately as possible, with variable levels of success. The black-oil approach allows for the implementation of a simpler and less expensive computational algorithm than that associated with a compositional model. The first-mentioned can result in substantial time-saving in full field studies. This project evaluates the use of modified black-oil (MBO) as well as compositional (equation of state- EOS) approaches to determine

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20

Cerna, Cinthia Kelly Quispe 1983. "Análise integrada de testes de pressão e simulação numérica para um reservatório de gás e condensado." [s.n.], 2014. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265915.

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Orientador: Rosângela Barros Zanoni Lopes Moreno<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica<br>Made available in DSpace on 2018-08-25T19:13:12Z (GMT). No. of bitstreams: 1 Cerna_CinthiaKellyQuispe_M.pdf: 4891576 bytes, checksum: 1e055010e701f9aed8364c71a0e68a06 (MD5) Previous issue date: 2014<br>Resumo: O comportamento de um reservatório de gás e condensado durante a depleção é altamente complexo. Quando a pressão do reservatório cai abaixo da pressão de orvalho, forma-se um banco de condensado ao redor do poço, que afeta a produtividade d

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21

Серженьга, О. В. "Науково-методичні засади оцінки характеру насичення пластів і положення газонафтового контакту з використанням геоелектричної моделі присвердловинної зони (на прикладі нафтогазоконденсатних родовищ Західно-Сибірської нафогазоносної провінції)". Thesis, Івано-Франківський національний технічний університет нафти і газу, 2007. http://elar.nung.edu.ua/handle/123456789/4219.

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У дисертації висвітлюються актуальні питання визначення положення газонафтового і водонафтового контактів на “водоплавних” нафтогазоконденсатних покладах за результатами геофізичних досліджень у відкритому стовбурі свердловини. Такі поклади є об'єктами з дуже складними електричними властивостями присвердловинної зони і потребують підвищення інформативності комплексу методів ГДС. Теоретично обґрунтовано і доведено фактичними дослідженнями в свердловинах переваги методу ВІКІЗ для визначення параметрів геоелектричної моделі порід-колекторів, які виповнюють теригенні відклади юрського комплексу ЗС

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22

Bayagbon, Anthony Mamurhomu. "Impact assessment of the environmental protection policies in the upstream oil industry in Nigeria / A.M. Bayagbon." Thesis, North-West University, 2011. http://hdl.handle.net/10394/6276.

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The need for energy and the associated economic benefits from the oil and gas deposits found mainly in the Niger Delta region of Nigeria necessitated the exploration and exploitation activities being carried out by the oil and gas Companies. However, these exploration and exploitation activities due to their unpredictable nature have a huge potential for environmental pollution as been experienced in the form of oil spills, gas flaring, irresponsible disposal of waste and several other activities that have resulted in the environmental degradation of the Niger Delta region. In the light of the

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23

Kumar, Viren. "Chemical stimulation of gas condensate reservoirs: an experimental and simulation study." Thesis, 2006. http://hdl.handle.net/2152/2559.

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24

Hwang, Jongsoo. "Gas injection techniques for condensate recovery and remediation of liquid banking in gas-condensate reservoirs." Thesis, 2011. http://hdl.handle.net/2152/ETD-UT-2011-05-3558.

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In gas-condensate reservoirs, gas productivity declines due to the increasing accumulation of liquids in the near wellbore region as the bottom-hole pressure declines below the dew point pressure. This phenomenon occurs even in reservoirs containing lean gas-condensate fluid. Various methods were addressed to remediate the productivity decline, for example, fracturing, gas injection, solvent injection and chemical treatment. Among them, gas injection techniques have been used as options to prevent retrograde condensation by vaporizing condensate and/or by enhancing condensate recovery in gas-c

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25

Fernandez, Martinez Ruth Gabriela. "Altering Wettability in Gas Condensate Sandstone Reservoirs for Gas Mobillity Improvement." Thesis, 2011. http://hdl.handle.net/1969.1/ETD-TAMU-2011-05-9317.

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In gas-condensate reservoirs, production rate starts to decrease when retrograde condensation occurs. As the bottomhole pressure drops below the dewpoint, gascondensate and water buildup impede flow of gas to the surface. To stop the impairment of the well, many publications suggest wettability alteration to gas-wetting as a permanent solution to the problem. Previous simulation work suggests an "optimum wetting state" to exist where maximum gas condensate well productivity is reached. This work has direct application in gas-condensate reservoirs, especially in identifying the most effective s

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26

Gilani, Syed Furqan Hassan 1984. "Correlating wettability alteration with changes in gas permeability in gas condensate reservoirs." Thesis, 2010. http://hdl.handle.net/2152/ETD-UT-2010-12-2634.

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Altering the wettability of reservoir rock using fluoro-chemical treatments has proved to be a viable solution to the condensate blocking problem in gas wells. Alteration of rock wettability to neutral-wet is the primary reason for improvement in gas and condensate relative permeabilities. Stability/compatibility test, drop tests and X-ray photoelectron spectroscopy (XPS) analysis along with core flood results were used to characterize wettability changes. XPS tests, drop tests, and relative permeability measurements were conducted and correlated with each other. It is shown that XPS analysis

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27

Ahmadi, Mohabbat. "Development of a chemical treatment for condensate and water blocking in carbonate gas reservoirs." Thesis, 2010. http://hdl.handle.net/2152/ETD-UT-2010-12-2496.

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Many gas wells suffer a loss in productivity due to liquid accumulation in the near wellbore region. This problem starts as the flowing bottom hole pressure drops below the dew point in wells producing from gas condensate reservoirs. Chemical stimulation may be used as a remedy, by altering the wettability to non-liquid wetting. Successful treatments decrease liquid trapping, increase fluids mobility, and improve the well’s deliverability. The main focus in this research was to develop an effective chemical treatment to mitigate liquid blocking in gas wells producing from carbonate reservoirs.

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28

Bang, Vishal 1980. "Development of a successful chemical treatment of gas wells with condensate or water blocking damage." Thesis, 2007. http://hdl.handle.net/2152/3769.

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During production from gas condensate reservoirs, significant productivity loss occurs after the pressure near the production wells drops below the dew point of the hydrocarbon fluid. Several methods such as gas recycling, hydraulic fracturing and solvent injection have been tried to restore gas production rates after a decline in well productivity owing to condensate and/or water blocking. These methods of well stimulation offer only temporary productivity restoration and cannot always be used for a variety of reasons. Significant advances have been made during this study to develop and exten

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29

Morales, Adrian. "A Modified Genetic Algorithm Applied to Horizontal Well Placement Optimization in Gas Condensate Reservoirs." 2010. http://hdl.handle.net/1969.1/ETD-TAMU-2010-12-8873.

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Hydrocarbon use has been increasing and will continue to increase for the foreseeable future in even the most pessimistic energy scenarios. Over the past few decades, natural gas has become the major player and revenue source for many countries and multinationals. Its presence and power share will continue to grow in the world energy mix. Much of the current gas reserves are found in gas condensate reservoirs. When these reservoirs are allowed to deplete, the pressure drops below the dew point pressure and a liquid condensate will begin to form in the wellbore or near wellbore formation, possi

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30

Chien-HaoShen and 沈建豪. "Analytical and Numerical Studies of CO2 Storage Capacity in Nearly Depleted Gas Condensate Reservoirs." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/12344155680918860124.

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博士<br>國立成功大學<br>資源工程學系<br>104<br>The purpose of this study is to develop general analytical equations and type curves for estimating the CO2 storage capacity of natural gas reservoirs. Numerical simulations for different types of natural gas reservoirs were done to study the CO2 storage capacity and to validate the developed analytical solutions. A simulation case study is implemented to calculate the CO2 storage capacity in a target storage site, and the simulated result of CO2 storage capacity is compared by that from the derived p/zmixCO2 plot. This study successfully derives general analyt

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31

Chien-HaoShen and 沈建豪. "Study of Carbon Dioxide Flooding to Improve Gas Recovery in Gas Condensate Reservoir." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/57053527381295163809.

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32

Zhang, Hui-Ling, and 張慧玲. "Generation of Probabilistic Resource Distributions for a Offshore Gas Condensate Reservoir at Taiwan from Material Balance Models." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/nffugs.

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碩士<br>國立臺北科技大學<br>資源工程研究所<br>98<br>Volumetric with probability method is a general one applied for the evaluation of resource during the exploration period. Several factors, such as formation area, payzone thickness, connate water saturation, formation volume factor, are required for the calculation. Lacking of detailed reservoir information, the estimation results, in general, are usually with high uncertainty. Neither water drive nor the inplace volume effects on the recovery factor are considered. To reduce the above mentioned uncertainty, a combination workflow for both material balance (M

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