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Journal articles on the topic 'Underbalanced drilling (Petroleum engineering)'

Author: Grafiati

Published: 4 June 2021

Last updated: 28 July 2025

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1

Marbun, B. T. H., B. Pande, S. Z. Sinaga, and B. A. Purbantanu. "Manufacture Hollow Glass Microsphere (HGS) in University Laboratory Scale (Phase 1)." IOP Conference Series: Earth and Environmental Science 1031, no. 1 (2022): 012002. http://dx.doi.org/10.1088/1755-1315/1031/1/012002.

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Abstract Hollow Glass Microsphere (HGS) can be used as an additive of drilling fluid to decrease the density and hydrostatic pressure without changing the chemistry characteristic to make underbalanced drilling condition. HGS is relatively easier to be mixed with the fluid without complicated equipment, can prevent formation damage, and can improve oil and gas production. There are various HGS commercial products that have been developed in the industry for various purposes with a density range 0.125-1.1 gr/cm3, grain size range 2-120 μm, and compressive strength up to 200 MPa. HGS has been su

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2

Aremu, Olukayode J., and Samuel O. Osisanya. "Reduction of Wellbore Effects on Gas Inflow Evaluation Under Underbalanced Conditions." SPE Journal 13, no. 02 (2008): 216–25. http://dx.doi.org/10.2118/91586-pa.

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Summary Wellbore storage effects have been identified to significantly smear the accuracy of evaluating reservoir productivity through the fluid outflow rate from the annulus during underbalanced drilling. Such effects have continuously introduced considerable errors in characterizing the reservoir during underbalanced drilling. Conceptually, because of the ready volume-changing ability of the gas, wellbore storage becomes a determining factor during underbalanced drilling of a gas reservoir. Wellbore storage could either cause decrease (unloading effects) or increase (loading effects) in the

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3

Carpenter, Chris. "Underbalanced Coiled Tubing Approach Targets Natural Fractures in Tight Sandstones." Journal of Petroleum Technology 76, no. 06 (2024): 46–48. http://dx.doi.org/10.2118/0624-0046-jpt.

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_ This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper IPTC 23188, “Underbalanced Coiled Tubing Technology in Tight Sandstones: A Success Story by Integrating Petrophysics, Geophysics, Flow Data, and Pressure-Transient Analysis To Target Natural Fractures,” by Ali R. Al-Nasser, Ali J. Al-Solial, SPE, and Abdulrahman Y. Abushal, SPE, Saudi Aramco, et al. The paper has not been peer reviewed. Copyright 2024 International Petroleum Technology Conference. _ The complete paper describes the use of underbalanced coiled tubing drilling (UBCTD) technology in tig

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4

Ramondenc, Pierre. "Technology Focus: Coiled Tubing (June 2024)." Journal of Petroleum Technology 76, no. 06 (2024): 44–45. http://dx.doi.org/10.2118/0624-0044-jpt.

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What a year 2023 has been for the well-intervention business! Despite all the debates on the energy transition, oil and gas demand continues to be strong and all the actors of our business look for avenues to increase hydrocarbon recovery and enhance production at minimal financial and environmental costs. The year 2024 builds on this momentum and looks at least as promising. As was discussed last year, coiled tubing has a key role to play in those efforts, thanks to several technology advancements and best practices that deliver safer, leaner, and more-efficient operations. Those three themes

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Yelena Shmoncheva, Yelena Shmoncheva, and Aliagha Shukurlu Aliagha Shukurlu. "UNDERBALANCED DRILLING TECHNOLOGY: BENEFITS, LIMITATIONS, AND CASE STUDIES." PAHTEI-Procedings of Azerbaijan High Technical Educational Institutions 28, no. 05 (2023): 177–85. http://dx.doi.org/10.36962/pahtei28052023-177.

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The petroleum industry is facing challenging circumstances, including expensive and complex exploration, and the extraction of most hydrocarbons from depleted or lower quality reservoirs. Moreover, current oil prices are at a peak, compelling the industry to re-evaluate its methods and technologies to improve recovery and cut costs. Adopting new technologies, specifically Underbalanced Drilling Technology (UBD), is viewed as crucial for increasing reserves, boosting recovery, reducing expenses, and augmenting revenue. The process of Underbalanced drilling involves intentionally reducing the de

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Zhang, Wei, Wenhui Dang, Wenbo Zhang, Xiaorui Sun, and Zhongxi Zhu. "Underbalanced Drilling Optimum Methodology." E3S Web of Conferences 198 (2020): 03004. http://dx.doi.org/10.1051/e3sconf/202019803004.

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A methodology to properly screen all UBD techniques to reduce failure/misapplication and align objectives with expectations had been absent. The paper addresses the latest enhancements to better understand and screen options for UBD operations according to two aspects: formation applicability and engineering applicability. The screening tool considers a range of economic and technical parameter to provide a relative ranking for each candidate of the Underbalanced drilling (UBD) technique. As a case, the methodology was available to optimize the UBD techniques in a risky exploration well in Xin

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7

Bennion, D. B., F. B. Thomas, R. F. Bietz, and D. W. Bennion. "Underbalanced Drilling: Praises and Perils." SPE Drilling & Completion 13, no. 04 (1998): 214–22. http://dx.doi.org/10.2118/52889-pa.

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8

Carpenter, Chris. "Engineering Approach Uses Underbalanced Coiled-Tubing Drilling." Journal of Petroleum Technology 75, no. 06 (2023): 46–48. http://dx.doi.org/10.2118/0623-0046-jpt.

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_ This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 210978, “Novel Engineering Approach Using Underbalanced Coiled-Tubing Drilling Solutions for Tight Sour Gas Carbonate,” by Mohamed Osama Abd El Meguid, Ayman El Shahat, and Ali Sulaiman Bin Sumaida, ADNOC, et al. The paper has not been peer reviewed. _ Because of declining reservoir pressures in some of its onshore gas carbonate fields, the operator initiated a three-well underbalanced coiled-tubing drilling (UBCTD) campaign in its onshore Asab and Bab fields, with two wells to be drilled in Asab

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9

Wei, Na, YingFeng Meng, Gao Li, et al. "Cuttings Transport Models and Experimental Visualization of Underbalanced Horizontal Drilling." Mathematical Problems in Engineering 2013 (2013): 1–6. http://dx.doi.org/10.1155/2013/764782.

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Aerated underbalanced horizontal drilling technology has become the focus of the drilling industry at home and abroad, and one of the engineering core issues is the horizontal borehole cleaning. Therefore, calculating the minimum injection volume of gas and liquid accurately is essential for the construction in aerated underbalanced horizontal drilling. This paper establishes a physical model of carrying cuttings and borehole cleaning in wellbore of horizontal well and a critical transport mathematical model according to gas-liquid-solid flow mechanism and large plane dunes particle transport

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10

Guo, Li Ping, and Lei Wang. "Study on the Flow Behavior of Underbalanced Circulative Micro-Foam Drilling Fluid." Advanced Materials Research 706-708 (June 2013): 1585–88. http://dx.doi.org/10.4028/www.scientific.net/amr.706-708.1585.

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Underbalanced drilling is a new method for the exploratory development of low pressure and permeability reservoirs; circulative micro-foam drilling fluid is a new technology which is developed for realizing near-balanced drilling and underbalanced drilling. The flow behavior of circulative micro-foam drilling fluid in wellbore was researched by applying HPHT experiment apparatus. It is concluded that the flow behavior parameters of circulative micro-foam drilling fluid is only related to temperature but not to pressure; the constitutive equation accords with the rheological law of power-law fl

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11

Samuel, G. Robello, and Stefan Miska. "Performance of Positive Displacement Motor (PDM) Operating On Air." Journal of Energy Resources Technology 125, no. 2 (2003): 119–25. http://dx.doi.org/10.1115/1.1575776.

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Recent increase in application of horizontal wells and in particular underbalanced drilling, has triggered the necessity of a powerful pneumatic downhole motor. To enhance the technology and make the system effective, a mathematical model is required to identify the opportunities for the modification of power section design. It is well known that the performance of positive displacement motor operating on compressible fluid drops down drastically as compared to the operation under incompressible fluids. The frequent motor replacement during the operation incrementally increases the operating c

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12

Ferguson, Helen A., S. A. (Raj) Mehta, R. Gordon Moore, Nancy E. Okazawa, and Matthew G. Ursenbach. "Oxidation Characteristics of Light Hydrocarbons for Underbalanced Drilling Applications." Journal of Energy Resources Technology 125, no. 3 (2003): 177–82. http://dx.doi.org/10.1115/1.1586935.

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This investigation is directly relevant to various applications associated with the safety aspects of underbalanced drilling operations where de-oxygenated air may be co-injected with oil-based drilling fluid. However, de-oxygenated air often still contains up to 5% oxygen by volume. This residual oxygen can react with oil during the drilling process, thereby forming potentially hazardous oxidized hydrocarbons and compromising the safety of drilling operations. This article examines the conditions and processes by which oxidation reactions occur and may be helpful in reducing risk in drilling

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13

Nygaard, Gerhard Haukenes, Erlend H. Vefring, Kjell Kåre Fjelde, Geir Naevdal, Rolf Johan Lorentzen, and Saba Mylvaganam. "Bottomhole Pressure Control During Drilling Operations in Gas-Dominant Wells." SPE Journal 12, no. 01 (2007): 49–61. http://dx.doi.org/10.2118/91578-pa.

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Summary To obtain an underbalanced pressure condition, nitrogen gas can be injected into the drillstring. Simultaneous injection of liquids and gases leads to a highly dynamic flow system. During pipe connections, pressure transients can cause the bottomhole pressure to rise above the pore pressure of the reservoir or fall below the reservoir collapse pressure. Migration of gas during pipe connection and inflow from the reservoir will also cause bottomhole pressure changes. This paper presents a methodology for controlling the bottomhole pressure during drilling operations in gas-dominant well

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14

Ozbayoglu, M. E., M. Sorgun, A. Saasen, and K. Svanes. "Hole Cleaning Performance of Light-Weight Drilling Fluids During Horizontal Underbalanced Drilling." Journal of Canadian Petroleum Technology 49, no. 04 (2010): 21–26. http://dx.doi.org/10.2118/136689-pa.

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15

Lage, Antonio C. V. M., Kjell K. Fjelde, and Rune W. Time. "Underbalanced Drilling Dynamics: Two-Phase Flow Modeling and Experiments." SPE Journal 8, no. 01 (2003): 61–70. http://dx.doi.org/10.2118/83607-pa.

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16

Cox, R. J., Jeff Li, and G. S. Lupick. "Horizontal Underbalanced Drilling of Gas Wells with Coiled Tubing." SPE Drilling & Completion 14, no. 01 (1999): 3–10. http://dx.doi.org/10.2118/55036-pa.

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17

Jia, Shanpo, Caoxuan Wen, Fucheng Deng, Chuanliang Yan, and Zhiqiang Xiao. "Coupled THM Modelling of Wellbore Stability with Drilling Unloading, Fluid Flow, and Thermal Effects Considered." Mathematical Problems in Engineering 2019 (April 9, 2019): 1–20. http://dx.doi.org/10.1155/2019/5481098.

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Both overbalanced drilling and underbalanced drilling will lead to the change of pore pressure around wellbore. Existing research is generally based on hydraulic-mechanical (HM) coupling and assumes that pore pressure near the wellbore is initial formation pressure, which has great limitations. According to the coupled theory of mixtures for rock medium, a coupled thermal-hydraulic-mechanical (THM) model is proposed and derived, which is coded with MATLAB language and ABAQUS software as the solver. Then the wellbore stability is simulated with the proposed model by considering the drilling unl

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18

Aarsnes, Ulf Jakob, Florent Di Meglio, Robert Graham, and Ole Morten Aamo. "A Methodology for Classifying Operating Regimes in Underbalanced-Drilling Operations." SPE Journal 21, no. 02 (2016): 423–33. http://dx.doi.org/10.2118/178920-pa.

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Summary This paper proposes an extension to an existing operating-envelope technique used for underbalanced drilling (UBD) to enhance control of bottomhole pressure and inflow parameters. With the use of an implementation of the drift-flux model (DFM) with boundary conditions typically encountered in underbalanced operations (UBO), a steady-state analysis of the system is performed. Through this analysis, four distinct operating regimes are identified, and the behavior in each of them is investigated through steady-state calculations and transient simulations. In particular, the analysis revea

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19

Vefring, Erlend H., Gerhard H. Nygaard, Rolf J. Lorentzen, Geir Naevdal, and Kjell K. Fjelde. "Reservoir Characterization During Underbalanced Drilling (UBD): Methodology and Active Tests." SPE Journal 11, no. 02 (2006): 181–92. http://dx.doi.org/10.2118/81634-pa.

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Summary Two methods for characterizing reservoir pore pressure and reservoir permeability during UBD while applying active tests are presented and evaluated. Both methods utilize a fast, dynamic well fluid-flow model that is extended with a transient reservoir model. Active testing of the well is applied by varying the bottomhole pressure in the well during the drilling operations. The first method uses the Levenberg-Marquardt optimization algorithm to estimate the reservoir parameters by minimizing the difference between measurements from the drilling process and the corresponding model state

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20

Lu, Han, Mariano Ospina Guevara, Chunlin Zhao, and Lijun Zhu. "Application of heel intersect horizontal well concept in coal bed methane play: a case study." APPEA Journal 62, no. 1 (2022): 66–76. http://dx.doi.org/10.1071/aj21023.

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Arrow Energy is a 50/50 joint venture between Shell and China National Petroleum Corporation. It holds vast coal bed methane gas resources in the Surat and Northern Bowen basins of Queensland, Australia. Recently the well design in the north Bowen asset has evolved to a heel intersect multilateral concept to further reduce the surface footprint, extend reservoir access and improve cost-effectiveness. The new well design components consist of a vertical producing well intersected by a horizontal multilateral well. It was tested on several targeted reservoirs and areas. There were a number of ke

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21

Fattah, K. A., S. M. El-Katatney, and A. A. Dahab. "Potential implementation of underbalanced drilling technique in Egyptian oil fields." Journal of King Saud University - Engineering Sciences 23, no. 1 (2011): 49–66. http://dx.doi.org/10.1016/j.jksues.2010.02.001.

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22

Zhou, Lei. "Hole Cleaning During Underbalanced Drilling in Horizontal and Inclined Wellbore." SPE Drilling & Completion 23, no. 03 (2008): 267–73. http://dx.doi.org/10.2118/98926-pa.

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23

Gordon, Douglas G., Richard J. Billa, Michael B. Weissman, and Fu J. Hou. "Underbalanced Drilling with Casing Evolution in the South Texas Vicksburg." SPE Drilling & Completion 20, no. 02 (2005): 86–93. http://dx.doi.org/10.2118/84173-pa.

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24

Sun, Yan Ping, Ze Fu Bao, Chun Yan Wu, Xiao Qing Kang, and Wen Sun. "Concurrent Design of the Petroleum Drilling Machine Based on PDM Platform." Advanced Materials Research 295-297 (July 2011): 2446–50. http://dx.doi.org/10.4028/www.scientific.net/amr.295-297.2446.

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Through to the petroleum drilling machine serial design pattern malpractice's analysis, this article proposed petroleum drilling machine's concurrent design uses in the petroleum drilling machine enterprise based on PDM the platform. Elaborated the concurrent design in the petroleum drilling machine production process's application, analyzed PDM and the concurrent design relational model as well as PDM and the petroleum drilling machine's concurrent design key technologies.

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25

Olayiwola, Olatunji, Vu Nguyen, Opeyemi Bello, Ebuka Osunwoke, Boyun Guo, and Catalin Teodoriu. "Validation of analytical model and identification of salt effect on wellbore temperature in underbalanced drilling." Journal of Petroleum Exploration and Production Technology 12, no. 1 (2021): 147–57. http://dx.doi.org/10.1007/s13202-021-01353-5.

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AbstractUnderstanding the behavior of the borehole temperature recovery process, which influences drilling operations, requires an adequate estimation of fluid temperature. The presence of salt in a saline formation changes the composition of the annular fluid and has a significant impact on the fluid temperature distribution during drilling operations. As a result, while drilling a saline formation, it is vital to examine the key parameter that determines an accurate estimate of fluid temperature. Using python software and statistical quantitative methods, this study proposes a simplified use

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26

Pedersen, Torbjørn, Ulf Jakob F. Aarsnes, and John-Morten Godhavn. "Flow and pressure control of underbalanced drilling operations using NMPC." Journal of Process Control 68 (August 2018): 73–85. http://dx.doi.org/10.1016/j.jprocont.2018.05.001.

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27

Heidarian, Mohamad, Hossein Jalalifar, Mahin Schaffie, and Saeed Jafari. "New Analytical Model for Predicting the Unstable Zone Around the Borehole." SPE Journal 19, no. 06 (2014): 1177–83. http://dx.doi.org/10.2118/169899-pa.

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Summary In this study, a new analytical model, which is computationally lower in cost than current numerical methods, is presented to calculate the radius of the plastic zone around the borehole in underbalanced drilling (UBD) to prevent borehole instability. With this model, it is also possible to analytically calculate the optimal drilling-mud weight, which is the amount of mud weight with no plastic zone. The presented model is based on the Mouhr-Coulomb failure criterion. The model can be used in both vertical and inclined wells and in poroelastic formations with anisotropic horizontal str

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28

Parra, J. G., E. Celis, and S. De Gennaro. "Wellbore Stability Simulations for Underbalanced Drilling Operations in Highly Depleted Reservoirs." SPE Drilling & Completion 18, no. 02 (2003): 146–51. http://dx.doi.org/10.2118/83637-pa.

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29

Al-Safran, E., J. F. Owayed, T. Al-Bazali, and A. Sunthankar. "Optimization of Required Volumetric Flow Rates for Aerated Mud Underbalanced Drilling." Petroleum Science and Technology 26, no. 12 (2008): 1403–23. http://dx.doi.org/10.1080/10916460701272203.

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30

Shi, Huai-Zhong, Zhao-Sheng Ji, He-Qian Zhao, Heng-Yu Song, and Zhen-Liang Chen. "Investigations into the coiled tubing partial underbalanced drilling (CT-PUBD) technique for drilling hard formations." Petroleum Science 15, no. 4 (2018): 830–40. http://dx.doi.org/10.1007/s12182-018-0271-9.

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31

Arabjamaloei, R., S. Shadizadeh, M. Ekramzadeh, A. Hamzei, and M. Azad. "Numerical Model of Countercurrent Spontaneous Imbibition in Underbalanced Drilling: Formation Damage Investigation." Petroleum Science and Technology 29, no. 16 (2011): 1615–24. http://dx.doi.org/10.1080/10916460903581369.

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32

Yumin, Zhang. "Analysis of Coiled Tubing Sidetracking Technology." International Journal of Scientific Research and Management (IJSRM) 13, no. 04 (2025): 263–68. https://doi.org/10.18535/ijsrm/v13i04.c01.

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Coiled Tubing Drilling (CTD) technology has significant technical advantages over traditional rotary drilling technology and has been widely applied in international oil and gas exploration and development. Its application scenarios include shallow vertical well drilling, re-entry sidetracking, reservoir deepening drilling, underbalanced drilling, and offshore platform drilling. Through continuous technological breakthroughs in recent years, China has made significant progress in the development of coiled tubing sidetracking equipment, supporting tools, and process optimization. The field test

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33

Oyeneyin, Babs Mufutau, Phil Burge, Lisa Hogg, and Chris Anderson. "The Virtual Well Engineer – A Real – Time Surveillance Tool for Managed Pressure Drilling Operations." Advanced Materials Research 18-19 (June 2007): 277–85. http://dx.doi.org/10.4028/www.scientific.net/amr.18-19.277.

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Well engineers face ever increasing technical challenge of drilling in complex environments and the use of Managed Pressure Drilling(MPD) techniques to control annular pressure for improved drilling performance in the oil industry has growing interest[1-4]. Understanding hole cleaning and controlling annular pressure in this complex environment is becoming increasingly important for a range of applications. The Virtual Well Engineer[VWE] has been identified as the engineering tool to address these issues in order to deliver a successful MPD operation. The VWE is the product name for a suite of

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34

Su, Junlin, Wenxin Dong, Sulin Zhou, and Mingyi Deng. "Synthesis and Assessment of a CO2 -Switchable Foaming Agent Used in Drilling Fluids for Underbalanced Drilling." Journal of Surfactants and Detergents 21, no. 3 (2018): 375–87. http://dx.doi.org/10.1002/jsde.12029.

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35

Zhang, Hui, Boyun Guo, Deli Gao, and He Huang. "Effects of rock properties and temperature differential in laboratory experiments on underbalanced drilling." International Journal of Rock Mechanics and Mining Sciences 83 (March 2016): 248–51. http://dx.doi.org/10.1016/j.ijrmms.2014.08.004.

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36

Baris, Ozcan, Luis Ayala, and W. Watson Robert. "Numerical Modeling of Foam Drilling Hydraulics." Journal of Engineering Research [TJER] 4, no. 1 (2007): 103. http://dx.doi.org/10.24200/tjer.vol4iss1pp103-119.

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The use of foam as a drilling fluid was developed to meet a special set of conditions under which other common drilling fluids had failed. Foam drilling is defined as the process of making boreholes by utilizing foam as the circulating fluid. When compared with conventional drilling, underbalanced or foam drilling has several advantages. These advantages include: avoidance of lost circulation problems, minimizing damage to pay zones, higher penetration rates and bit life. Foams are usually characterized by the quality, the ratio of the volume of gas, and the total foam volume. Obtaining depend

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37

Qiu, Kaibin, Yousef Gerryo, Chee P. Tan, and James R. Marsden. "Underbalanced Drilling of a Horizontal Well in Depleted Reservoir: A Wellbore-Stability Perspective." SPE Drilling & Completion 23, no. 02 (2008): 159–67. http://dx.doi.org/10.2118/105215-pa.

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Li, Hongtao, Jie Liang, Chengxiao Li, et al. "A novel method to improve mud pulse telemetry performance during gaseated underbalanced drilling." Journal of Petroleum Science and Engineering 213 (June 2022): 110400. http://dx.doi.org/10.1016/j.petrol.2022.110400.

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39

Jian, Zhang, and Huang Kun. "Research on Process Management Innovation of Petroleum Drilling Engineering Project Based on Life-Cycle in China." Applied Mechanics and Materials 421 (September 2013): 864–71. http://dx.doi.org/10.4028/www.scientific.net/amm.421.864.

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Since the beginning of the 1980s, project management has been gradually implemented within China's petroleum drilling engineering. Recently, achievements have been made in the institutionalization, routinization and standardization of project management in petroleum industry. The sustainable development of petroleum enterprises has been ensured by process management, which based on the entire life-cycle of drilling project. In this paper, the life-cycle of large-scale petroleum engineering project has been analyzed. And relations between project life-cycle and project management process have b

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40

Katterbauer, Klemens, Alberto F. Marsala, Virginie Schoepf, and Eric Donzier. "A novel artificial intelligence automatic detection framework to increase reliability of PLT gas bubble sensing." Journal of Petroleum Exploration and Production Technology 11, no. 3 (2021): 1263–73. http://dx.doi.org/10.1007/s13202-021-01098-1.

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AbstractProduction logging tools (PLTs) and formation testing, even in logging while drilling (LWD) conditions during underbalanced drilling, are key technologies for assessing the productivity potential of a gas well and therefore to maximize recovery. Gas bubble detection sensors are key components in determining the fluid phases in the reservoir and accurately quantify recoverable reserves, optimize well placement, geosteering and to qualify the production ability of the well. We present here a new nonlinear autoregressive - breakdown artificial intelligence (AI) detection framework for PLT

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Zhang, Ran, Gen-sheng Li, and Shou-ceng Tian. "Stress distribution and its influencing factors of bottom-hole rock in underbalanced drilling." Journal of Central South University 25, no. 7 (2018): 1766–73. http://dx.doi.org/10.1007/s11771-018-3867-8.

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42

Li, Chenjun, Shaonan Wang, Yongxiang Huang, Jianjian Fan, and Chenhao Tian. "Application of Petroleum Information Technology in Oil and Gas Drilling Engineering." Academic Journal of Science and Technology 12, no. 2 (2024): 288–92. http://dx.doi.org/10.54097/paj1pd67.

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As oil and gas resources gradually become depleted, drilling engineering is expanding into deeper terrestrial layers and deep-sea areas. These regions often have geological environments characterized by extreme and complex conditions such as high temperatures and high pressures, posing significant challenges to traditional drilling technologies. Currently, artificial intelligence and big data technologies are driving technological innovation in the field of oil and gas drilling, further promoting the automation of drilling operations management and the intelligentization of decision-making pro

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43

Kaffash, Amin, and M. R. Zare-Reisabadi. "Borehole stability evaluation in overbalanced and underbalanced drilling: based on 3D failure criteria." Geosystem Engineering 16, no. 2 (2013): 175–82. http://dx.doi.org/10.1080/12269328.2013.806047.

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44

Suryanarayana, P. V., Bruce E. Smith, ABM K. Hasan, Charlie Leslie, Richard W. Buchanan, and Randal D. Pruitt. "Basis of Design for Coiled-Tubing Underbalanced Through-Tubing Drilling in the Sajaa Field." SPE Drilling & Completion 21, no. 02 (2006): 125–32. http://dx.doi.org/10.2118/87146-pa.

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45

Martins, A. L., A. M. F. Lourenço, and C. H. M. de Sa. "Foam Property Requirements for Proper Hole Cleaning While Drilling Horizontal Wells in Underbalanced Conditions." SPE Drilling & Completion 16, no. 04 (2001): 195–200. http://dx.doi.org/10.2118/74333-pa.

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46

Chen, Zhihai. "Analysis of the Current Research Status of Petroleum Drilling Wellhead Equipment." Applied and Computational Engineering 149, no. 1 (2025): 116–22. https://doi.org/10.54254/2755-2721/2025.kl22362.

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As a critical component in petroleum engineering, the safety, reliability, and efficiency of drilling wellhead equipment are essential to the success of drilling operations. In recent years, with continuous technological advancements, petroleum drilling wellhead equipment has made significant progress in safety technologies, intelligent applications, research and development of new materials, and environmental performance. This paper provides a comprehensive review of the current research status of petroleum drilling wellhead equipment and forecasts its future development trends. The findings

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47

Zheng, Li Hui, Xiang Hui Wan, Hong Jie Zhang, Li Jun Chi, and Ke Wen Peng. "A Novel Multifunctional Bionic Fuzzy-Ball Drilling Fluid." Advanced Materials Research 236-238 (May 2011): 608–15. http://dx.doi.org/10.4028/www.scientific.net/amr.236-238.608.

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The difficulties during the exploration and development of the reservoirs which are low pressure-permeability, low pressure fractured hydrocarbon or energy depleted put multi-requirements on drilling fluid, which include the capacity of inhibiting and sealing to avoid down hole losses and formation caving in the situation where different pressure coefficients exist in the same open hole, good compatibility with underbalanced drilling fluid such as air, mist, foam etc, good solids-carrying capacity and formation damage control according to varies kinds of well completion in different types of w

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Ilavalagan*. "Well Control using Drill Sim (One Circulation)." International Journal of Recent Technology and Engineering (IJRTE) 8, no. 4 (2019): 5903–5. http://dx.doi.org/10.35940/ijrte.d88411.118419.

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The Usage Of Petroleum In Daily Life Have Increased Much Where The Petroleum Industry Also To Be Develop To Match With The Need. Drilling, An Task Where Petroleum Is Pointed And The Location Is Drilled To Take Out The Petroleum And Petroleum Sub Products From Subsurface To The Surface. Drilling A Well Is Not Also An Easy Way It Have To Meet Some Problems Due To Formation Pressure, Hydrostatic Pressure Etc., To Maintain The Well And To Get Out The Petroleum Well Control Technique Were Used In The Industry. Well Control Means To Prevent The Kick And Safe Guard The Instruments And Peoples Working

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FALAVAND-JOZAEI, A., E. HAJIDAVALLOO, Y. SHEKARI, and S. GHOBADPOURI. "Modeling and simulation of non-isothermal three-phase flow for accurate prediction in underbalanced drilling." Petroleum Exploration and Development 49, no. 2 (2022): 406–14. http://dx.doi.org/10.1016/s1876-3804(22)60034-x.

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Feng, Zhao, Tang Hongming, Meng Yingfeng, Li Gao, and Xing Xijin. "Damage evaluation for water-based underbalanced drilling in low-permeability and tight sandstone gas reservoirs." Petroleum Exploration and Development 36, no. 1 (2009): 113–19. http://dx.doi.org/10.1016/s1876-3804(09)60114-2.

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