Cost Functions For Oil Well Drilling, Lease Equipment And Well Operation In Texas

Beike, Dieter; Holtz, Mark H.

doi:10.2118/30065-ms

Cited by 3 publications

(1 citation statement)

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Section: бурениеunclassified

Analysis of Laboratory Studies of Hydrophobic Emulsions to Ensure Water Insulation Work in Oil Fields

AKHYMBAYEVA,

KABDULOV,

MAULETBEKOV

et al. 2024

NiG

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This article is devoted to the research and implementation of methods for ensuring water insulation works (WIW) in the oil sector using hydrophobic emulsions. In the context of modern requirements for environmental safety and efficiency of production processes in the oil industry, where water can become a source of problems, the introduction of innovative materials and technologies plays an important role. Conducting laboratory studies of hydrophobic emulsions for WIW in the oil sector is a multiprocess approach, starting from the initial assessment of the chemical component and ending with thorough testing for compliance with the requirements of specific operating conditions. The analysis evaluates the physico-chemical properties of the emulsion, such as density, viscosity, pH level, degree of dispersion, as well as its adhesive and cohesive characteristics. Special attention is paid to the study of the surface properties of hydrophobic emulsions, since their ability to form stable water-repellent coatings directly affects the effectiveness of protection against water exposure. To do this, tests are carried out on wettability, contact angle, adhesion to various types of surfaces, which allows us to determine the optimal conditions for the use of emulsions in specific situations. The article describes the principles of action of hydrophobic emulsions in the context of waterproofing works, emphasizing their ability to create a protective barrier, preventing moisture penetration into oil facilities. The paper presents the results of laboratory studies demonstrating the effectiveness of the use of hydrophobic emulsions in various operating conditions. The article discusses the technical aspects of the use of hydrophobic emulsions in the WIW process, analyzes their resistance to various environmental factors, and also considers the prospects for the development of this technology in the oil industry. The results obtained can be useful for specialists dealing with water insulation in oil companies, as well as for the scientific and engineering community interested in the development of innovative technologies in the oil sector. The purpose of this article is to analyze laboratory research and provide recommendations on the use of polymer composition.

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Section: бурениеunclassified

Analysis of Laboratory Studies of Hydrophobic Emulsions to Ensure Water Insulation Work in Oil Fields

AKHYMBAYEVA,

KABDULOV,

MAULETBEKOV

et al. 2024

NiG

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show abstract

Modeling the operating costs for petroleum exploration and development projects

Luo

Zhao

2012

Energy

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Integrated Geologic, Engineering, and Financial Assessment of Gas Displacement Recovery in Texas

Beike

Holtz

1996

All Days

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SPE 35167 Integrated Geologic, Engineering, and Financial Assessment of Gas Displacement Recovery in Texas D.K. Beike and M.H. Holtz, SPE, Bureau of Economic Geology, The University of Texas at Austin Copyright 1996, Society of Petroleum Engineers, Inc. Abstract A total of 57 commercially viable gas-displacement projects in Texas are classified into seven depositional environments. We collected reservoir and petrophysical data and depth and oil gravity for each reservoir, which gave us a generalized case model for each depositional environment. We also collected and analyzed information about the design of these projects, concentrating on pattern, spacing, and production processes previously applied. Cost calculations that are presented are in accordance with a previous cost study by Beike and Holtz. Finances were analyzed for the case model of each depositional system according to net present value and internal rate of return. We also used an economic sensitivity analysis to investigate the effect of oil price, well spacing, and incremental recovery. The potential for reserve additions from CO2 flooding in Texas is substantial. An additional 1,730 reservoirs are candidates for gas-displacement recovery. This set of reservoirs contains 70 BSTB of original oil in place, 23 BSTB of mobile oil, and 37 BSTB of residual oil. Factoring in a conservative reserve-growth recovery of an additional 10 percent of original oil in place, we estimate that future GDR projects could produce 7 BSTB in Texas. Most of this reserve growth will continue to come from restricted- to open-platform carbonate reservoirs in West Texas. Introduction and Objective A large volume of oil remains in existing Texas reservoirs (Fig. 1). Cumulative production to date represents approximately 25 percent of the original oil in place (OOIP), whereas a full 33 percent of the OOIP is remaining mobile oil and 37 percent is residual oil. Capturing this significant residual oil resource will require detailed reservoir characterization and application of enhanced oil recovery methods. Over the last 20 yr much information has been gained from individual enhanced oil recovery (EOR) projects, most of which involved gas-displacement recovery (GDR). Such information invites integrated geologic-engineering-financial analysis of the projects that were commercially successful. Because economic-viability influences can be determined by means of this analysis, estimation of up-front capital costs can be made more accurately. These estimates in turn will lead to a possibility of increasing production of oil in mature Texas reservoirs. Our objective was threefold:We began by determining characteristics of reservoirs in which GDR had been successfully applied. All geologic, engineering, regulatory, and economic characteristics were included.We analyzed the effect of GDR as an EOR method by examining production characteristics, incremental production, and recovery efficiency.We used the historical information to model the economic viability of GDR, in order to delineate the resource potential and sensitivity of additional oil production to salient influences. GDR projects characterized were those that were implemented beyond the pilot stage. components of the GDR ProductIon EnvIronment Essentially four components form the flamework of possible EOR production. The first is EOR process technology, the GDR of which is analyzed herein, and which in turn is determined by geological environment, petrophysical parameters, and costs. The second component is macroeconomic environment, which is influenced by existing industry strength, import rate, and world oil production. P. 227

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Cost Functions For Oil Well Drilling, Lease Equipment And Well Operation In Texas

Cited by 3 publications

References 1 publication

Analysis of Laboratory Studies of Hydrophobic Emulsions to Ensure Water Insulation Work in Oil Fields

Analysis of Laboratory Studies of Hydrophobic Emulsions to Ensure Water Insulation Work in Oil Fields

Modeling the operating costs for petroleum exploration and development projects

Integrated Geologic, Engineering, and Financial Assessment of Gas Displacement Recovery in Texas

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